diff options
Diffstat (limited to 'target/linux/ifxmips')
84 files changed, 14626 insertions, 1 deletions
diff --git a/target/linux/ifxmips/Makefile b/target/linux/ifxmips/Makefile index 5405a14d0a..f58b5c2b5e 100644 --- a/target/linux/ifxmips/Makefile +++ b/target/linux/ifxmips/Makefile @@ -12,7 +12,8 @@ BOARDNAME:=Infineon Mips FEATURES:=squashfs jffs2 atm SUBTARGETS:=danube #ar9 -LINUX_VERSION:=2.6.30.10 +#LINUX_VERSION:=2.6.30.10 +LINUX_VERSION:=2.6.32.10 #LINUX_VERSION:=2.6.33.2 CFLAGS=-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time diff --git a/target/linux/ifxmips/danube/config-2.6.32 b/target/linux/ifxmips/danube/config-2.6.32 new file mode 100644 index 0000000000..0916180c36 --- /dev/null +++ b/target/linux/ifxmips/danube/config-2.6.32 @@ -0,0 +1,207 @@ +CONFIG_32BIT=y +# CONFIG_64BIT is not set +CONFIG_ADM6996_PHY=y +# CONFIG_ALCHEMY_GPIO_INDIRECT is not set +# CONFIG_AR7 is not set +# CONFIG_ARCH_HAS_ILOG2_U32 is not set +# CONFIG_ARCH_HAS_ILOG2_U64 is not set +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_POPULATES_NODE_MAP=y +CONFIG_ARCH_REQUIRE_GPIOLIB=y +# CONFIG_ARCH_SUPPORTS_MSI is not set +CONFIG_ARCH_SUPPORTS_OPROFILE=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_BCM47XX is not set +# CONFIG_BCM63XX is not set +CONFIG_BITREVERSE=y +# CONFIG_CAVIUM_OCTEON_REFERENCE_BOARD is not set +# CONFIG_CAVIUM_OCTEON_SIMULATOR is not set +CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CFG80211_DEFAULT_PS_VALUE=0 +CONFIG_CMDLINE="console=ttyS0,9600 rootfstype=squashfs,jffs2" +CONFIG_CPU_BIG_ENDIAN=y +# CONFIG_CPU_CAVIUM_OCTEON is not set +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +# CONFIG_CPU_LOONGSON2E is not set +CONFIG_CPU_MIPS32=y +# CONFIG_CPU_MIPS32_R1 is not set +CONFIG_CPU_MIPS32_R2=y +# CONFIG_CPU_MIPS64_R1 is not set +# CONFIG_CPU_MIPS64_R2 is not set +CONFIG_CPU_MIPSR2=y +# CONFIG_CPU_NEVADA is not set +# CONFIG_CPU_R10000 is not set +# CONFIG_CPU_R3000 is not set +# CONFIG_CPU_R4300 is not set +# CONFIG_CPU_R4X00 is not set +# CONFIG_CPU_R5000 is not set +# CONFIG_CPU_R5432 is not set +# CONFIG_CPU_R5500 is not set +# CONFIG_CPU_R6000 is not set +# CONFIG_CPU_R8000 is not set +# CONFIG_CPU_RM7000 is not set +# CONFIG_CPU_RM9000 is not set +# CONFIG_CPU_SB1 is not set +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +# CONFIG_CPU_TX39XX is not set +# CONFIG_CPU_TX49XX is not set +# CONFIG_CPU_VR41XX is not set +CONFIG_CRC_CCITT=m +CONFIG_CSRC_R4K=y +CONFIG_CSRC_R4K_LIB=y +CONFIG_DANUBE_MACH_ARV4519=y +CONFIG_DANUBE_MACH_ARV452=y +CONFIG_DANUBE_MACH_EASY4010=y +CONFIG_DANUBE_MACH_EASY50712=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DEVPORT=y +# CONFIG_DM9000 is not set +CONFIG_DMA_NEED_PCI_MAP_STATE=y +CONFIG_DMA_NONCOHERENT=y +CONFIG_EARLY_PRINTK=y +# CONFIG_FSNOTIFY is not set +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_FIND_LAST_BIT=y +CONFIG_GENERIC_FIND_NEXT_BIT=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_SYSFS=y +CONFIG_HARDWARE_WATCHPOINTS=y +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_STD_PC_SERIAL_PORT=y +# CONFIG_HIGH_RES_TIMERS is not set +CONFIG_HW_HAS_PCI=y +CONFIG_HW_RANDOM=y +CONFIG_HZ=250 +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +CONFIG_IFXMIPS=y +# CONFIG_IFXMIPS_AR9 is not set +CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT=y +# CONFIG_IFXMIPS_ASE is not set +CONFIG_IFXMIPS_COMPAT=y +CONFIG_IFXMIPS_DANUBE=y +CONFIG_IFXMIPS_MII0=y +# CONFIG_IFXMIPS_PROM_ASC0 is not set +CONFIG_IFXMIPS_PROM_ASC1=y +# CONFIG_IFXMIPS_VR9 is not set +CONFIG_IFXMIPS_WDT=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IP_NF_FILTER=m +CONFIG_IP_NF_IPTABLES=m +CONFIG_IP_NF_MANGLE=m +CONFIG_IP_NF_RAW=m +CONFIG_IP_NF_TARGET_LOG=m +CONFIG_IP_NF_TARGET_MASQUERADE=m +CONFIG_IP_NF_TARGET_REJECT=m +CONFIG_IRQ_CPU=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_IFXMIPS=y +# CONFIG_MACH_ALCHEMY is not set +# CONFIG_MACH_DECSTATION is not set +# CONFIG_MACH_JAZZ is not set +# CONFIG_MACH_LOONGSON is not set +# CONFIG_MACH_TX39XX is not set +# CONFIG_MACH_TX49XX is not set +# CONFIG_MACH_VR41XX is not set +# CONFIG_MIKROTIK_RB532 is not set +CONFIG_MIPS=y +# CONFIG_MIPS_COBALT is not set +CONFIG_MIPS_L1_CACHE_SHIFT=5 +CONFIG_MIPS_MACHINE=y +# CONFIG_MIPS_MALTA is not set +CONFIG_MIPS_MT_DISABLED=y +# CONFIG_MIPS_MT_SMP is not set +# CONFIG_MIPS_MT_SMTC is not set +# CONFIG_MIPS_SIM is not set +# CONFIG_MIPS_VPE_LOADER is not set +CONFIG_MTD_CFI_ADV_OPTIONS=y +CONFIG_MTD_CFI_GEOMETRY=y +CONFIG_MTD_CMDLINE_PARTS=y +CONFIG_MTD_IFXMIPS=y +# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set +# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set +CONFIG_NETFILTER_XTABLES=m +CONFIG_NETFILTER_XT_MATCH_COMMENT=m +CONFIG_NETFILTER_XT_MATCH_LIMIT=m +CONFIG_NETFILTER_XT_MATCH_MAC=m +CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m +CONFIG_NETFILTER_XT_MATCH_STATE=m +CONFIG_NETFILTER_XT_TARGET_NOTRACK=m +CONFIG_NETFILTER_XT_TARGET_TCPMSS=m +CONFIG_NF_CONNTRACK=m +CONFIG_NF_CONNTRACK_FTP=m +CONFIG_NF_CONNTRACK_IPV4=m +CONFIG_NF_CONNTRACK_IRC=m +CONFIG_NF_CONNTRACK_TFTP=m +CONFIG_NF_DEFRAG_IPV4=m +CONFIG_NF_NAT=m +CONFIG_NF_NAT_FTP=m +CONFIG_NF_NAT_IRC=m +CONFIG_NF_NAT_TFTP=m +CONFIG_NLS=y +# CONFIG_NO_IOPORT is not set +# CONFIG_NXP_STB220 is not set +# CONFIG_NXP_STB225 is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +CONFIG_PHYLIB=y +# CONFIG_PMC_MSP is not set +# CONFIG_PMC_YOSEMITE is not set +# CONFIG_PNX8550_JBS is not set +# CONFIG_PNX8550_STB810 is not set +CONFIG_PPP=m +CONFIG_PPPOE=m +CONFIG_PPP_ASYNC=m +CONFIG_RTL8306_PHY=y +CONFIG_SCHED_OMIT_FRAME_POINTER=y +# CONFIG_SCSI_DMA is not set +# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_IFXMIPS=y +# CONFIG_SGI_IP22 is not set +# CONFIG_SGI_IP27 is not set +# CONFIG_SGI_IP28 is not set +# CONFIG_SGI_IP32 is not set +# CONFIG_SIBYTE_BIGSUR is not set +# CONFIG_SIBYTE_CARMEL is not set +# CONFIG_SIBYTE_CRHINE is not set +# CONFIG_SIBYTE_CRHONE is not set +# CONFIG_SIBYTE_LITTLESUR is not set +# CONFIG_SIBYTE_RHONE is not set +# CONFIG_SIBYTE_SENTOSA is not set +# CONFIG_SIBYTE_SWARM is not set +CONFIG_SLHC=m +CONFIG_SOC_DANUBE=y +CONFIG_SWAP_IO_SPACE=y +CONFIG_SWCONFIG=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_HAS_CPU_MIPS32_R2=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y +CONFIG_SYS_SUPPORTS_MULTITHREADING=y +# CONFIG_TC35815 is not set +CONFIG_TRAD_SIGNALS=y +# CONFIG_TREE_PREEMPT_RCU is not set +CONFIG_TREE_RCU=y +CONFIG_USB=y +CONFIG_USB_DEBUG=y +# CONFIG_USB_EHCI_HCD is not set +CONFIG_USB_SUPPORT=y +# CONFIG_USB_UHCI_HCD is not set +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Kconfig b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Kconfig new file mode 100644 index 0000000000..f8a198d479 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Kconfig @@ -0,0 +1,125 @@ +if IFXMIPS + +choice + prompt "Infineon SoC chip selection" + default SOC_DANUBE + help + Select Infineon MIPS SoC type. + + config IFXMIPS_DANUBE + bool "Danube/Twinpass" + select SOC_DANUBE + + config IFXMIPS_ASE + bool "Amazon-SE" + select SOC_ASE + + config IFXMIPS_AR9 + bool "AR9" + select SOC_AR9 + + config IFXMIPS_VR9 + bool "VR9" + select SOC_VR9 + +endchoice + +source "arch/mips/ifxmips/danube/Kconfig" + +config SOC_DANUBE + bool + select DMA_NONCOHERENT + select IRQ_CPU + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_CPU_MIPS32_R2 + select HAVE_STD_PC_SERIAL_PORT + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_MULTITHREADING + select SYS_HAS_EARLY_PRINTK + select HW_HAS_PCI + select ARCH_REQUIRE_GPIOLIB + select SWAP_IO_SPACE + select MIPS_MACHINE + +config SOC_ASE + bool + select DMA_NONCOHERENT + select IRQ_CPU + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_CPU_MIPS32_R2 + select HAVE_STD_PC_SERIAL_PORT + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_MULTITHREADING + select SYS_HAS_EARLY_PRINTK + select HW_HAS_PCI + select ARCH_REQUIRE_GPIOLIB + select SWAP_IO_SPACE + select MIPS_MACHINE + +config SOC_AR9 + bool + select DMA_NONCOHERENT + select IRQ_CPU + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_CPU_MIPS32_R2 + select HAVE_STD_PC_SERIAL_PORT + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_MULTITHREADING + select SYS_HAS_EARLY_PRINTK + select HW_HAS_PCI + select ARCH_REQUIRE_GPIOLIB + select SWAP_IO_SPACE + select MIPS_MACHINE + +config SOC_VR9 + bool + select DMA_NONCOHERENT + select IRQ_CPU + select CEVT_R4K + select CSRC_R4K + select SYS_HAS_CPU_MIPS32_R1 + select SYS_HAS_CPU_MIPS32_R2 + select HAVE_STD_PC_SERIAL_PORT + select SYS_SUPPORTS_BIG_ENDIAN + select SYS_SUPPORTS_32BIT_KERNEL + select SYS_SUPPORTS_MULTITHREADING + select SYS_HAS_EARLY_PRINTK + select HW_HAS_PCI + select ARCH_REQUIRE_GPIOLIB + select SWAP_IO_SPACE + select MIPS_MACHINE + +if EARLY_PRINTK +menu "Infineon SoC settings" + +choice + prompt "Early printk port" + help + Choose which serial port is used, until the console driver is loaded + +config IFXMIPS_PROM_ASC0 + bool "ASC0" + +config IFXMIPS_PROM_ASC1 + bool "ASC1" + +endchoice + +config IFXMIPS_COMPAT + bool "Spinacer compatibility" + default y + help + Enable this to get some legacy API. This is needed if you use Lantiq DSL and VOIP drivers. + +endmenu +endif +endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Makefile b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Makefile new file mode 100644 index 0000000000..372030cf9c --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/Makefile @@ -0,0 +1 @@ +obj-y := reset.o prom.o setup.o irq.o dma-core.o pmu.o board.o clock.o gpio.o timer.o dev-gpio-buttons.o diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Kconfig b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Kconfig new file mode 100644 index 0000000000..f4a6a8a595 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Kconfig @@ -0,0 +1,29 @@ +if IFXMIPS_DANUBE + +config IFXMIPS_ARCAYDIAN_BRNBOOT + bool + default n + +menu "infineon SoC machine selection" + +config DANUBE_MACH_EASY50712 + bool "Easy50712" + default y + +config DANUBE_MACH_EASY4010 + bool "Easy4010" + default y + +config DANUBE_MACH_ARV4519 + bool "ARV4519" + default y + select DANUBE_ARCAYDIAN_BRNBOOT + +config DANUBE_MACH_ARV452 + bool "ARV452" + default y + select IFXMIPS_ARCAYDIAN_BRNBOOT + +endmenu + +endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Makefile b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Makefile new file mode 100644 index 0000000000..328f082af4 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/Makefile @@ -0,0 +1,3 @@ +obj-y := dma-core.o irq.o ebu.o setup.o devices.o cgu.o +obj-$(CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT) += arcaydian.o +obj-$(CONFIG_DANUBE_MACH_ARV452) += mach-arv452.o diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/board.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/board.c new file mode 100644 index 0000000000..e4a418b728 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/board.c @@ -0,0 +1,457 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +#define MAX_BOARD_NAME_LEN 32 +#define MAX_IFXMIPS_DEVS 9 + +#define SYSTEM_DANUBE "Danube" +#define SYSTEM_DANUBE_CHIPID1 0x00129083 +#define SYSTEM_DANUBE_CHIPID2 0x0012B083 + +#define SYSTEM_TWINPASS "Twinpass" +#define SYSTEM_TWINPASS_CHIPID 0x0012D083 + +enum { + EASY50712, + EASY4010, + ARV4519, + ARV452, +}; + +extern int ifxmips_pci_external_clock; +extern int ifxmips_pci_req_mask; + +static unsigned int chiprev; +static int cmdline_mac; +char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 }; + +struct ifxmips_board { + int type; + char name[32]; + unsigned int system_type; + struct platform_device **devs; + struct resource reset_resource; + struct resource gpiodev_resource; + struct gpio_led *ifxmips_leds; + struct gpio_led *gpio_leds; + int pci_external_clock; + int pci_req_mask; + int num_devs; +}; + +DEFINE_SPINLOCK(ebu_lock); +EXPORT_SYMBOL_GPL(ebu_lock); + +extern unsigned char ifxmips_ethaddr[6]; +static int ifxmips_brn; + +static struct gpio_led_platform_data ifxmips_led_data; + +static struct platform_device ifxmips_led = { + .id = 0, + .name = "ifxmips_led", + .dev = { + .platform_data = (void *) &ifxmips_led_data, + } +}; + +static struct platform_device ifxmips_gpio = { + .id = 0, + .name = "ifxmips_gpio", + .num_resources = 1, +}; + +static struct platform_device ifxmips_mii = { + .id = 0, + .name = "ifxmips_mii0", + .dev = { + .platform_data = ifxmips_ethaddr, + } +}; + +static struct platform_device ifxmips_wdt = { + .id = 0, + .name = "ifxmips_wdt", +}; + +static struct platform_device ifxmips_ebu = { + .id = 0, + .name = "ifxmips_ebu", +}; + +static struct resource ifxmips_mtd_resource = { + .start = IFXMIPS_FLASH_START, + .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ifxmips_mtd = { + .id = 0, + .name = "ifxmips_mtd", + .num_resources = 1, + .resource = &ifxmips_mtd_resource, +}; + +static struct platform_device ifxmips_gpio_dev = { + .name = "GPIODEV", + .id = -1, + .num_resources = 1, +}; + +#ifdef CONFIG_LEDS_GPIO +static struct gpio_led arv4519_gpio_leds[] = { + { .name = "ifx:green:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 7, .active_low = 1, }, + { .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:green:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:internet", .gpio = 8, .active_low = 1, }, + { .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, }, + { .name = "ifx:green:usbpwr", .gpio = 14, .active_low = 1, }, + { .name = "ifx:green:usb", .gpio = 19, .active_low = 1, }, +}; + +static struct gpio_led arv452_gpio_leds[] = { + { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 6, .active_low = 1, }, + { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, }, + { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, }, + { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, }, + { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, }, + { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, }, + { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, }, + { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, }, + { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, }, + { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, }, + { .name = "ifx:red:internet", .gpio = 41, .active_low = 1, }, +}; + +static struct gpio_led_platform_data ifxmips_gpio_led_data; + +static struct platform_device ifxmips_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = (void *) &ifxmips_gpio_led_data, + } +}; +#endif + +static struct resource dwc_usb_res[] = { + { + .name = "dwc3884_membase", + .flags = IORESOURCE_MEM, + .start = 0x1E101000, + .end = 0x1E101FFF + }, + { + .name = "dwc3884_irq", + .flags = IORESOURCE_IRQ, + .start = IFXMIPS_USB_INT, + } +}; + +static struct platform_device dwc_usb = +{ + .id = 0, + .name = "dwc3884-hcd", + .resource = dwc_usb_res, + .num_resources = ARRAY_SIZE(dwc_usb_res), +}; + +struct platform_device *easy50712_devs[] = { + &ifxmips_led, &ifxmips_gpio, &ifxmips_mii, + &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb +}; + +struct platform_device *easy4010_devs[] = { + &ifxmips_led, &ifxmips_gpio, &ifxmips_mii, + &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb +}; + +struct platform_device *arv5419_devs[] = { + &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, + &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb, +#ifdef CONFIG_LEDS_GPIO + &ifxmips_gpio_leds, +#endif +}; + +struct platform_device *arv452_devs[] = { + &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, + &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb, + &ifxmips_ebu, +#ifdef CONFIG_LEDS_GPIO + &ifxmips_gpio_leds, +#endif +}; + +static struct gpio_led easy50712_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static struct gpio_led easy4010_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static struct ifxmips_board boards[] = { + { + /* infineon eval kit */ + .type = EASY50712, + .name = "EASY50712", + .system_type = SYSTEM_DANUBE_CHIPID1, + .devs = easy50712_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 15,}, + .gpiodev_resource = { .name = "gpio", + .start = (1 << 0) | (1 << 1), + .end = (1 << 0) | (1 << 1)}, + .ifxmips_leds = easy50712_leds, + }, { + /* infineon eval kit */ + .type = EASY4010, + .name = "EASY4010", + .system_type = SYSTEM_TWINPASS_CHIPID, + .devs = easy4010_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 15}, + .gpiodev_resource = { .name = "gpio", + .start = (1 << 0) | (1 << 1), + .end = (1 << 0) | (1 << 1)}, + .ifxmips_leds = easy4010_leds, + }, { + /* arcaydian annex-a board used by thompson, airties, ... */ + .type = ARV4519, + .name = "ARV4519", + .system_type = SYSTEM_DANUBE_CHIPID2, + .devs = arv5419_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 14}, + .pci_external_clock = 1, +#ifdef CONFIG_LEDS_GPIO + .gpio_leds = arv4519_gpio_leds, +#endif + }, { + /* arcaydian annex-b board used by airties, arcor */ + .type = ARV452, + .name = "ARV452", + .system_type = SYSTEM_DANUBE_CHIPID2, + .devs = arv452_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 14}, + .pci_external_clock = 1, +#ifdef CONFIG_LEDS_GPIO + .gpio_leds = arv452_gpio_leds, +#endif + }, +}; + +const char *get_system_type(void) +{ + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + + switch (chiprev) { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + return SYSTEM_DANUBE; + + case SYSTEM_TWINPASS_CHIPID: + return SYSTEM_TWINPASS; + } + + return BOARD_SYSTEM_TYPE; +} + +static int __init ifxmips_set_board_type(char *str) +{ + str = strchr(str, '='); + if (!str) + goto out; + str++; + if (strlen(str) > MAX_BOARD_NAME_LEN) + goto out; + strncpy(board_name, str, MAX_BOARD_NAME_LEN); + printk(KERN_INFO "bootloader told us, that this is a %s board\n", + board_name); +out: + return 1; +} +__setup("ifxmips_board", ifxmips_set_board_type); + +static int __init ifxmips_set_ethaddr(char *str) +{ +#define IS_HEX(x) \ + (((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \ + || (x >= 'A' && x <= 'F')) ? (1) : (0)) + int i; + str = strchr(str, '='); + if (!str) + goto out; + str++; + if (strlen(str) != 17) + goto out; + for (i = 0; i < 6; i++) { + if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1])) + goto out; + if ((i != 5) && (str[(3 * i) + 2] != ':')) + goto out; + ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16); + } + if (is_valid_ether_addr(ifxmips_ethaddr)) + cmdline_mac = 1; +out: + return 1; +} +__setup("ethaddr", ifxmips_set_ethaddr); + +int ifxmips_find_brn_block(void) +{ + unsigned char temp[8]; + memcpy_fromio(temp, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8); + if (memcmp(temp, "BRN-BOOT", 8) == 0) { + if (!cmdline_mac) + memcpy_fromio(ifxmips_ethaddr, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + + 0x800000 - 0x10000 + 0x16), 6); + if (is_valid_ether_addr(ifxmips_ethaddr)) + cmdline_mac = 1; + return 1; + } else { + return 0; + } +} + +int ifxmips_has_brn_block(void) +{ + return ifxmips_brn; +} +EXPORT_SYMBOL(ifxmips_has_brn_block); + +struct ifxmips_board *ifxmips_find_board(void) +{ + int i; + if (!*board_name) + return 0; + for (i = 0; i < ARRAY_SIZE(boards); i++) + if ((boards[i].system_type == chiprev) && + (!strcmp(boards[i].name, board_name))) + return &boards[i]; + return 0; +} + +int __init ifxmips_init_devices(void) +{ + struct ifxmips_board *board; + + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + board = ifxmips_find_board(); + ifxmips_brn = ifxmips_find_brn_block(); + + if (!cmdline_mac) + random_ether_addr(ifxmips_ethaddr); + + if (!board) { + switch (chiprev) { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + default: + board = &boards[0]; + break; + case SYSTEM_TWINPASS_CHIPID: + board = &boards[1]; + break; + } + } + + switch (board->type) { + case EASY50712: + board->num_devs = ARRAY_SIZE(easy50712_devs); + ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds); + break; + case EASY4010: + board->num_devs = ARRAY_SIZE(easy4010_devs); + ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds); + break; + case ARV4519: + /* set some sane defaults for the gpios */ + gpio_set_value(3, 0); + gpio_set_value(4, 0); + gpio_set_value(5, 0); + gpio_set_value(6, 0); + gpio_set_value(7, 1); + gpio_set_value(8, 1); + gpio_set_value(19, 0); + board->num_devs = ARRAY_SIZE(arv5419_devs); +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds); +#endif + break; + case ARV452: + /* set some sane defaults for the gpios */ + board->num_devs = ARRAY_SIZE(arv452_devs); + ifxmips_w32(0x8001e7ff, IFXMIPS_EBU_BUSCON1); +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv452_gpio_leds); +#endif + break; + } +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.leds = board->gpio_leds; +#endif + ifxmips_led_data.leds = board->ifxmips_leds; + + printk(KERN_INFO "%s: adding %d devs\n", + __func__, board->num_devs); + + ifxmips_gpio.resource = &board->reset_resource; + ifxmips_gpio_dev.resource = &board->gpiodev_resource; + if (board->pci_external_clock) + ifxmips_pci_external_clock = 1; + if (board->pci_req_mask) + ifxmips_pci_req_mask = board->pci_req_mask; + printk(KERN_INFO "using board definition %s\n", board->name); + return platform_add_devices(board->devs, board->num_devs); +} + +arch_initcall(ifxmips_init_devices); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/cgu.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/cgu.c new file mode 100644 index 0000000000..d69d2f0bf6 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/cgu.c @@ -0,0 +1,38 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/init.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> +#include <linux/errno.h> + +#include <asm/irq.h> +#include <asm/div64.h> + +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +void +cgu_setup_pci_clk(int external_clock) +{ + /* set clock to 33Mhz */ + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, + IFXMIPS_CGU_IFCCR); + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, + IFXMIPS_CGU_IFCCR); + if (external_clock) + { + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16), + IFXMIPS_CGU_IFCCR); + ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR); + } else { + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), + IFXMIPS_CGU_IFCCR); + ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR); + } +} + + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.c new file mode 100644 index 0000000000..ff06dcd0c1 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.c @@ -0,0 +1,33 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/leds.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +/* pci */ +extern int ifxmips_pci_external_clock; +extern int ifxmips_pci_req_mask; + +void __init +ar9_register_pci(int clock, int irq_mask) +{ + ifxmips_pci_external_clock = clock; + if(irq_mask) + ifxmips_pci_req_mask = irq_mask; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.h b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.h new file mode 100644 index 0000000000..75201a2ece --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/devices.h @@ -0,0 +1,16 @@ +#ifndef _DANUBE_DEVICES_H__ +#define _DANUBE_DEVICES_H__ + +#include "../common/devices.h" + +enum { + PCI_CLOCK_INT = 0, + PCI_CLOCK_EXT +}; + +void __init danube_register_usb(void); +void __init danube_register_ebu_gpio(struct resource *resource, u32 value); +void __init danube_register_ethernet(unsigned char *mac); +void __init danube_register_pci(int clock, int irq_mask); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/dma-core.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/dma-core.c new file mode 100644 index 0000000000..084b2839a7 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/dma-core.c @@ -0,0 +1,690 @@ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/fs.h> +#include <linux/errno.h> +#include <linux/stat.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/selection.h> +#include <linux/kmod.h> +#include <linux/vmalloc.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/uaccess.h> +#include <linux/errno.h> +#include <linux/io.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_dma.h> +#include <ifxmips_pmu.h> + +/*25 descriptors for each dma channel,4096/8/20=25.xx*/ +#define IFXMIPS_DMA_DESCRIPTOR_OFFSET 25 + +#define MAX_DMA_DEVICE_NUM 6 /*max ports connecting to dma */ +#define MAX_DMA_CHANNEL_NUM 20 /*max dma channels */ +#define DMA_INT_BUDGET 100 /*budget for interrupt handling */ +#define DMA_POLL_COUNTER 4 /*fix me, set the correct counter value here! */ + +extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr); +extern void ifxmips_enable_irq(unsigned int irq_nr); +extern void ifxmips_disable_irq(unsigned int irq_nr); + +u64 *g_desc_list; +struct dma_device_info dma_devs[MAX_DMA_DEVICE_NUM]; +struct dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM]; + +static const char *global_device_name[MAX_DMA_DEVICE_NUM] = + { "PPE", "DEU", "SPI", "SDIO", "MCTRL0", "MCTRL1" }; + +struct dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = { + {"PPE", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH0_INT, 0}, + {"PPE", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH1_INT, 0}, + {"PPE", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH2_INT, 1}, + {"PPE", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH3_INT, 1}, + {"PPE", IFXMIPS_DMA_RX, 2, IFXMIPS_DMA_CH4_INT, 2}, + {"PPE", IFXMIPS_DMA_TX, 2, IFXMIPS_DMA_CH5_INT, 2}, + {"PPE", IFXMIPS_DMA_RX, 3, IFXMIPS_DMA_CH6_INT, 3}, + {"PPE", IFXMIPS_DMA_TX, 3, IFXMIPS_DMA_CH7_INT, 3}, + {"DEU", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH8_INT, 0}, + {"DEU", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH9_INT, 0}, + {"DEU", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH10_INT, 1}, + {"DEU", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH11_INT, 1}, + {"SPI", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH12_INT, 0}, + {"SPI", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH13_INT, 0}, + {"SDIO", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH14_INT, 0}, + {"SDIO", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH15_INT, 0}, + {"MCTRL0", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH16_INT, 0}, + {"MCTRL0", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH17_INT, 0}, + {"MCTRL1", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH18_INT, 1}, + {"MCTRL1", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH19_INT, 1} +}; + +struct dma_chan_map *chan_map = default_dma_map; +volatile u32 g_ifxmips_dma_int_status; +volatile int g_ifxmips_dma_in_process; /* 0=not in process, 1=in process */ + +void do_dma_tasklet(unsigned long); +DECLARE_TASKLET(dma_tasklet, do_dma_tasklet, 0); + +u8 *common_buffer_alloc(int len, int *byte_offset, void **opt) +{ + u8 *buffer = kmalloc(len * sizeof(u8), GFP_KERNEL); + + *byte_offset = 0; + + return buffer; +} + +void common_buffer_free(u8 *dataptr, void *opt) +{ + kfree(dataptr); +} + +void enable_ch_irq(struct dma_channel_info *pCh) +{ + int chan_no = (int)(pCh - dma_chan); + unsigned long flag; + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0x4a, IFXMIPS_DMA_CIE); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + local_irq_restore(flag); + ifxmips_enable_irq(pCh->irq); +} + +void disable_ch_irq(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int) (pCh - dma_chan); + + local_irq_save(flag); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0, IFXMIPS_DMA_CIE); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); + local_irq_restore(flag); + ifxmips_mask_and_ack_irq(pCh->irq); +} + +void open_chan(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int)(pCh - dma_chan); + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 1, IFXMIPS_DMA_CCTRL); + if (pCh->dir == IFXMIPS_DMA_RX) + enable_ch_irq(pCh); + local_irq_restore(flag); +} + +void close_chan(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int) (pCh - dma_chan); + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + disable_ch_irq(pCh); + local_irq_restore(flag); +} + +void reset_chan(struct dma_channel_info *pCh) +{ + int chan_no = (int) (pCh - dma_chan); + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); +} + +void rx_chan_intr_handler(int chan_no) +{ + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; + struct rx_desc *rx_desc_p; + int tmp; + unsigned long flag; + + /*handle command complete interrupt */ + rx_desc_p = (struct rx_desc *)pCh->desc_base + pCh->curr_desc; + if (rx_desc_p->status.field.OWN == CPU_OWN + && rx_desc_p->status.field.C + && rx_desc_p->status.field.data_length < 1536){ + /* Every thing is correct, then we inform the upper layer */ + pDev->current_rx_chan = pCh->rel_chan_no; + if (pDev->intr_handler) + pDev->intr_handler(pDev, RCV_INT); + pCh->weight--; + } else { + local_irq_save(flag); + tmp = ifxmips_r32(IFXMIPS_DMA_CS); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS); + ifxmips_w32(tmp, IFXMIPS_DMA_CS); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + local_irq_restore(flag); + ifxmips_enable_irq(dma_chan[chan_no].irq); + } +} + +inline void tx_chan_intr_handler(int chan_no) +{ + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; + int tmp; + unsigned long flag; + + local_irq_save(flag); + tmp = ifxmips_r32(IFXMIPS_DMA_CS); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS); + ifxmips_w32(tmp, IFXMIPS_DMA_CS); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + local_irq_restore(flag); + pDev->current_tx_chan = pCh->rel_chan_no; + if (pDev->intr_handler) + pDev->intr_handler(pDev, TRANSMIT_CPT_INT); +} + +void do_dma_tasklet(unsigned long unused) +{ + int i; + int chan_no = 0; + int budget = DMA_INT_BUDGET; + int weight = 0; + unsigned long flag; + + while (g_ifxmips_dma_int_status) { + if (budget-- < 0) { + tasklet_schedule(&dma_tasklet); + return; + } + chan_no = -1; + weight = 0; + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + if ((g_ifxmips_dma_int_status & (1 << i)) && dma_chan[i].weight > 0) { + if (dma_chan[i].weight > weight) { + chan_no = i; + weight = dma_chan[chan_no].weight; + } + } + } + + if (chan_no >= 0) { + if (chan_map[chan_no].dir == IFXMIPS_DMA_RX) + rx_chan_intr_handler(chan_no); + else + tx_chan_intr_handler(chan_no); + } else { + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) + dma_chan[i].weight = dma_chan[i].default_weight; + } + } + + local_irq_save(flag); + g_ifxmips_dma_in_process = 0; + if (g_ifxmips_dma_int_status) { + g_ifxmips_dma_in_process = 1; + tasklet_schedule(&dma_tasklet); + } + local_irq_restore(flag); +} + +irqreturn_t dma_interrupt(int irq, void *dev_id) +{ + struct dma_channel_info *pCh; + int chan_no = 0; + int tmp; + + pCh = (struct dma_channel_info *)dev_id; + chan_no = (int)(pCh - dma_chan); + if (chan_no < 0 || chan_no > 19) + BUG(); + + tmp = ifxmips_r32(IFXMIPS_DMA_IRNEN); + ifxmips_w32(0, IFXMIPS_DMA_IRNEN); + g_ifxmips_dma_int_status |= 1 << chan_no; + ifxmips_w32(tmp, IFXMIPS_DMA_IRNEN); + ifxmips_mask_and_ack_irq(irq); + + if (!g_ifxmips_dma_in_process) { + g_ifxmips_dma_in_process = 1; + tasklet_schedule(&dma_tasklet); + } + + return IRQ_HANDLED; +} + +struct dma_device_info *dma_device_reserve(char *dev_name) +{ + int i; + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) { + if (strcmp(dev_name, dma_devs[i].device_name) == 0) { + if (dma_devs[i].reserved) + return NULL; + dma_devs[i].reserved = 1; + break; + } + } + + return &dma_devs[i]; +} +EXPORT_SYMBOL(dma_device_reserve); + +void dma_device_release(struct dma_device_info *dev) +{ + dev->reserved = 0; +} +EXPORT_SYMBOL(dma_device_release); + +void dma_device_register(struct dma_device_info *dev) +{ + int i, j; + int chan_no = 0; + u8 *buffer; + int byte_offset; + unsigned long flag; + struct dma_device_info *pDev; + struct dma_channel_info *pCh; + struct rx_desc *rx_desc_p; + struct tx_desc *tx_desc_p; + + for (i = 0; i < dev->max_tx_chan_num; i++) { + pCh = dev->tx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(pCh - dma_chan); + for (j = 0; j < pCh->desc_len; j++) { + tx_desc_p = (struct tx_desc *)pCh->desc_base + j; + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + } + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + /* check if the descriptor length is changed */ + if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len) + ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN); + + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2) + ; + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + ifxmips_w32(0x30100, IFXMIPS_DMA_CCTRL); /* reset and enable channel,enable channel later */ + local_irq_restore(flag); + } + } + + for (i = 0; i < dev->max_rx_chan_num; i++) { + pCh = dev->rx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(pCh - dma_chan); + + for (j = 0; j < pCh->desc_len; j++) { + rx_desc_p = (struct rx_desc *)pCh->desc_base + j; + pDev = (struct dma_device_info *)(pCh->dma_dev); + buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void *)&(pCh->opt[j])); + if (!buffer) + break; + + dma_cache_inv((unsigned long) buffer, pCh->packet_size); + + rx_desc_p->Data_Pointer = (u32)CPHYSADDR((u32)buffer); + rx_desc_p->status.word = 0; + rx_desc_p->status.field.byte_offset = byte_offset; + rx_desc_p->status.field.OWN = DMA_OWN; + rx_desc_p->status.field.data_length = pCh->packet_size; + } + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + /* check if the descriptor length is changed */ + if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len) + ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2) + ; + ifxmips_w32(0x0a, IFXMIPS_DMA_CIE); /* fix me, should enable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + ifxmips_w32(0x30000, IFXMIPS_DMA_CCTRL); + local_irq_restore(flag); + ifxmips_enable_irq(dma_chan[chan_no].irq); + } + } +} +EXPORT_SYMBOL(dma_device_register); + +void dma_device_unregister(struct dma_device_info *dev) +{ + int i, j; + int chan_no; + struct dma_channel_info *pCh; + struct rx_desc *rx_desc_p; + struct tx_desc *tx_desc_p; + unsigned long flag; + + for (i = 0; i < dev->max_tx_chan_num; i++) { + pCh = dev->tx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(dev->tx_chan[i] - dma_chan); + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + pCh->curr_desc = 0; + pCh->prev_desc = 0; + pCh->control = IFXMIPS_DMA_CH_OFF; + ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1) + ; + local_irq_restore(flag); + + for (j = 0; j < pCh->desc_len; j++) { + tx_desc_p = (struct tx_desc *)pCh->desc_base + j; + if ((tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) + || (tx_desc_p->status.field.OWN == DMA_OWN && tx_desc_p->status.field.data_length > 0)) { + dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), (void *)pCh->opt[j]); + } + tx_desc_p->status.field.OWN = CPU_OWN; + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + } + /* TODO should free buffer that is not transferred by dma */ + } + } + + for (i = 0; i < dev->max_rx_chan_num; i++) { + pCh = dev->rx_chan[i]; + chan_no = (int)(dev->rx_chan[i] - dma_chan); + ifxmips_disable_irq(pCh->irq); + + local_irq_save(flag); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + pCh->curr_desc = 0; + pCh->prev_desc = 0; + pCh->control = IFXMIPS_DMA_CH_OFF; + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1) + ; + + local_irq_restore(flag); + for (j = 0; j < pCh->desc_len; j++) { + rx_desc_p = (struct rx_desc *) pCh->desc_base + j; + if ((rx_desc_p->status.field.OWN == CPU_OWN + && rx_desc_p->status.field.C) + || (rx_desc_p->status.field.OWN == DMA_OWN + && rx_desc_p->status.field.data_length > 0)) { + dev->buffer_free((u8 *) + __va(rx_desc_p->Data_Pointer), + (void *) pCh->opt[j]); + } + } + } +} +EXPORT_SYMBOL(dma_device_unregister); + +int dma_device_read(struct dma_device_info *dma_dev, u8 **dataptr, void **opt) +{ + u8 *buf; + int len; + int byte_offset = 0; + void *p = NULL; + struct dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan]; + struct rx_desc *rx_desc_p; + + /* get the rx data first */ + rx_desc_p = (struct rx_desc *) pCh->desc_base + pCh->curr_desc; + if (!(rx_desc_p->status.field.OWN == CPU_OWN && rx_desc_p->status.field.C)) + return 0; + + buf = (u8 *) __va(rx_desc_p->Data_Pointer); + *(u32 *)dataptr = (u32)buf; + len = rx_desc_p->status.field.data_length; + + if (opt) + *(int *)opt = (int)pCh->opt[pCh->curr_desc]; + + /* replace with a new allocated buffer */ + buf = dma_dev->buffer_alloc(pCh->packet_size, &byte_offset, &p); + + if (buf) { + dma_cache_inv((unsigned long) buf, pCh->packet_size); + pCh->opt[pCh->curr_desc] = p; + wmb(); + + rx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) buf); + rx_desc_p->status.word = (DMA_OWN << 31) | ((byte_offset) << 23) | pCh->packet_size; + wmb(); + } else { + *(u32 *) dataptr = 0; + if (opt) + *(int *) opt = 0; + len = 0; + } + + /* increase the curr_desc pointer */ + pCh->curr_desc++; + if (pCh->curr_desc == pCh->desc_len) + pCh->curr_desc = 0; + + return len; +} +EXPORT_SYMBOL(dma_device_read); + +int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void *opt) +{ + unsigned long flag; + u32 tmp, byte_offset; + struct dma_channel_info *pCh; + int chan_no; + struct tx_desc *tx_desc_p; + local_irq_save(flag); + + pCh = dma_dev->tx_chan[dma_dev->current_tx_chan]; + chan_no = (int)(pCh - (struct dma_channel_info *) dma_chan); + + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc; + while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) { + dma_dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), pCh->opt[pCh->prev_desc]); + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + pCh->prev_desc = (pCh->prev_desc + 1) % (pCh->desc_len); + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc; + } + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->curr_desc; + /* Check whether this descriptor is available */ + if (tx_desc_p->status.field.OWN == DMA_OWN || tx_desc_p->status.field.C) { + /* if not, the tell the upper layer device */ + dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT); + local_irq_restore(flag); + printk(KERN_INFO "%s %d: failed to write!\n", __func__, __LINE__); + + return 0; + } + pCh->opt[pCh->curr_desc] = opt; + /* byte offset----to adjust the starting address of the data buffer, should be multiple of the burst length. */ + byte_offset = ((u32) CPHYSADDR((u32) dataptr)) % ((dma_dev->tx_burst_len) * 4); + dma_cache_wback((unsigned long) dataptr, len); + wmb(); + tx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) dataptr) - byte_offset; + wmb(); + tx_desc_p->status.word = (DMA_OWN << 31) | DMA_DESC_SOP_SET | DMA_DESC_EOP_SET | ((byte_offset) << 23) | len; + wmb(); + + pCh->curr_desc++; + if (pCh->curr_desc == pCh->desc_len) + pCh->curr_desc = 0; + + /*Check whether this descriptor is available */ + tx_desc_p = (struct tx_desc *) pCh->desc_base + pCh->curr_desc; + if (tx_desc_p->status.field.OWN == DMA_OWN) { + /*if not , the tell the upper layer device */ + dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT); + } + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + tmp = ifxmips_r32(IFXMIPS_DMA_CCTRL); + + if (!(tmp & 1)) + pCh->open(pCh); + + local_irq_restore(flag); + + return len; +} +EXPORT_SYMBOL(dma_device_write); + +int map_dma_chan(struct dma_chan_map *map) +{ + int i, j; + int result; + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) + strcpy(dma_devs[i].device_name, global_device_name[i]); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + dma_chan[i].irq = map[i].irq; + result = request_irq(dma_chan[i].irq, dma_interrupt, IRQF_DISABLED, map[i].dev_name, (void *)&dma_chan[i]); + if (result) { + printk(KERN_WARNING "error, cannot get dma_irq!\n"); + free_irq(dma_chan[i].irq, (void *) &dma_interrupt); + + return -EFAULT; + } + } + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) { + dma_devs[i].num_tx_chan = 0; /*set default tx channel number to be one */ + dma_devs[i].num_rx_chan = 0; /*set default rx channel number to be one */ + dma_devs[i].max_rx_chan_num = 0; + dma_devs[i].max_tx_chan_num = 0; + dma_devs[i].buffer_alloc = &common_buffer_alloc; + dma_devs[i].buffer_free = &common_buffer_free; + dma_devs[i].intr_handler = NULL; + dma_devs[i].tx_burst_len = 4; + dma_devs[i].rx_burst_len = 4; + if (i == 0) { + ifxmips_w32(0, IFXMIPS_DMA_PS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_PCTRL) | ((0xf << 8) | (1 << 6)), IFXMIPS_DMA_PCTRL); /*enable dma drop */ + } + + if (i == 1) { + ifxmips_w32(1, IFXMIPS_DMA_PS); + ifxmips_w32(0x14, IFXMIPS_DMA_PCTRL); /*deu port setting */ + } + + for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) { + dma_chan[j].byte_offset = 0; + dma_chan[j].open = &open_chan; + dma_chan[j].close = &close_chan; + dma_chan[j].reset = &reset_chan; + dma_chan[j].enable_irq = &enable_ch_irq; + dma_chan[j].disable_irq = &disable_ch_irq; + dma_chan[j].rel_chan_no = map[j].rel_chan_no; + dma_chan[j].control = IFXMIPS_DMA_CH_OFF; + dma_chan[j].default_weight = IFXMIPS_DMA_CH_DEFAULT_WEIGHT; + dma_chan[j].weight = dma_chan[j].default_weight; + dma_chan[j].curr_desc = 0; + dma_chan[j].prev_desc = 0; + } + + for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) { + if (strcmp(dma_devs[i].device_name, map[j].dev_name) == 0) { + if (map[j].dir == IFXMIPS_DMA_RX) { + dma_chan[j].dir = IFXMIPS_DMA_RX; + dma_devs[i].max_rx_chan_num++; + dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1] = &dma_chan[j]; + dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1]->pri = map[j].pri; + dma_chan[j].dma_dev = (void *)&dma_devs[i]; + } else if (map[j].dir == IFXMIPS_DMA_TX) { + /*TX direction */ + dma_chan[j].dir = IFXMIPS_DMA_TX; + dma_devs[i].max_tx_chan_num++; + dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1] = &dma_chan[j]; + dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1]->pri = map[j].pri; + dma_chan[j].dma_dev = (void *)&dma_devs[i]; + } else { + printk(KERN_WARNING "WRONG DMA MAP!\n"); + } + } + } + } + + return 0; +} + +void dma_chip_init(void) +{ + int i; + + /* enable DMA from PMU */ + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA); + + /* reset DMA */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CTRL) | 1, IFXMIPS_DMA_CTRL); + + /* disable all interrupts */ + ifxmips_w32(0, IFXMIPS_DMA_IRNEN); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + ifxmips_w32(i, IFXMIPS_DMA_CS); + ifxmips_w32(0x2, IFXMIPS_DMA_CCTRL); + ifxmips_w32(0x80000040, IFXMIPS_DMA_CPOLL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~0x1, IFXMIPS_DMA_CCTRL); + } +} + +int ifxmips_dma_init(void) +{ + int i; + + dma_chip_init(); + if (map_dma_chan(default_dma_map)) + BUG(); + + g_desc_list = (u64 *)KSEG1ADDR(__get_free_page(GFP_DMA)); + + if (g_desc_list == NULL) { + printk(KERN_WARNING "no memory for desriptor\n"); + return -ENOMEM; + } + + memset(g_desc_list, 0, PAGE_SIZE); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + dma_chan[i].desc_base = (u32)g_desc_list + i * IFXMIPS_DMA_DESCRIPTOR_OFFSET * 8; + dma_chan[i].curr_desc = 0; + dma_chan[i].desc_len = IFXMIPS_DMA_DESCRIPTOR_OFFSET; + + ifxmips_w32(i, IFXMIPS_DMA_CS); + ifxmips_w32((u32)CPHYSADDR(dma_chan[i].desc_base), IFXMIPS_DMA_CDBA); + ifxmips_w32(dma_chan[i].desc_len, IFXMIPS_DMA_CDLEN); + } + + return 0; +} + +arch_initcall(ifxmips_dma_init); + +void dma_cleanup(void) +{ + int i; + + free_page(KSEG0ADDR((unsigned long) g_desc_list)); + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) + free_irq(dma_chan[i].irq, (void *)&dma_interrupt); +} + +MODULE_LICENSE("GPL"); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/irq.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/irq.c new file mode 100644 index 0000000000..18b8d01d42 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/irq.c @@ -0,0 +1,233 @@ +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> +#include <linux/module.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/irq_cpu.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +void +ifxmips_disable_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier); + return; + } + ier += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_disable_irq); + +void +ifxmips_mask_and_ack_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + u32 *isr = IFXMIPS_ICU_IM0_ISR; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier); + ifxmips_w32((1 << irq_nr), isr); + return; + } + ier += IFXMIPS_ICU_OFFSET; + isr += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_mask_and_ack_irq); + +void +ifxmips_enable_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) | (1 << irq_nr), ier); + return; + } + ier += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_enable_irq); + +static unsigned int +ifxmips_startup_irq(unsigned int irq) +{ + ifxmips_enable_irq(irq); + return 0; +} + +static void +ifxmips_end_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + ifxmips_enable_irq(irq); +} + +static struct irq_chip +ifxmips_irq_type = { + "ifxmips", + .startup = ifxmips_startup_irq, + .enable = ifxmips_enable_irq, + .disable = ifxmips_disable_irq, + .unmask = ifxmips_enable_irq, + .ack = ifxmips_end_irq, + .mask = ifxmips_disable_irq, + .mask_ack = ifxmips_mask_and_ack_irq, + .end = ifxmips_end_irq, +}; + +/* silicon bug causes only the msb set to 1 to be valid. all + other bits might be bogus */ +static inline int +ls1bit32(unsigned long x) +{ + __asm__ ( + ".set push \n" + ".set mips32 \n" + "clz %0, %1 \n" + ".set pop \n" + : "=r" (x) + : "r" (x)); + return 31 - x; +} + +static void +ifxmips_hw_irqdispatch(int module) +{ + u32 irq; + + irq = ifxmips_r32(IFXMIPS_ICU_IM0_IOSR + (module * IFXMIPS_ICU_OFFSET)); + if (irq == 0) + return; + + /* we need to do this due to a silicon bug */ + irq = ls1bit32(irq); + do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module)); + + if ((irq == 22) && (module == 0)) + ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_ISTAT) | 0x10, + IFXMIPS_EBU_PCC_ISTAT); +} + +#ifdef CONFIG_CPU_MIPSR2_IRQ_VI +#define DEFINE_HWx_IRQDISPATCH(x) \ +static void ifxmips_hw ## x ## _irqdispatch(void)\ +{\ + ifxmips_hw_irqdispatch(x); \ +} +static void ifxmips_hw5_irqdispatch(void) +{ + do_IRQ(MIPS_CPU_TIMER_IRQ); +} +DEFINE_HWx_IRQDISPATCH(0) +DEFINE_HWx_IRQDISPATCH(1) +DEFINE_HWx_IRQDISPATCH(2) +DEFINE_HWx_IRQDISPATCH(3) +DEFINE_HWx_IRQDISPATCH(4) +/*DEFINE_HWx_IRQDISPATCH(5)*/ +#endif /* #ifdef CONFIG_CPU_MIPSR2_IRQ_VI */ + +asmlinkage void +plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; + unsigned int i; + + if (pending & CAUSEF_IP7) + { + do_IRQ(MIPS_CPU_TIMER_IRQ); + goto out; + } else { + for (i = 0; i < 5; i++) + { + if (pending & (CAUSEF_IP2 << i)) + { + ifxmips_hw_irqdispatch(i); + goto out; + } + } + } + printk(KERN_ALERT "Spurious IRQ: CAUSE=0x%08x\n", read_c0_status()); + +out: + return; +} + +static struct irqaction +cascade = { + .handler = no_action, + .flags = IRQF_DISABLED, + .name = "cascade", +}; + +void __init +arch_init_irq(void) +{ + int i; + + for (i = 0; i < 5; i++) + ifxmips_w32(0, IFXMIPS_ICU_IM0_IER + (i * IFXMIPS_ICU_OFFSET)); + + mips_cpu_irq_init(); + + for (i = 2; i <= 6; i++) + setup_irq(i, &cascade); + +#ifdef CONFIG_CPU_MIPSR2_IRQ_VI + if (cpu_has_vint) { + printk(KERN_INFO "Setting up vectored interrupts\n"); + set_vi_handler(2, ifxmips_hw0_irqdispatch); + set_vi_handler(3, ifxmips_hw1_irqdispatch); + set_vi_handler(4, ifxmips_hw2_irqdispatch); + set_vi_handler(5, ifxmips_hw3_irqdispatch); + set_vi_handler(6, ifxmips_hw4_irqdispatch); + set_vi_handler(7, ifxmips_hw5_irqdispatch); + } +#endif + + for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++) + set_irq_chip_and_handler(i, &ifxmips_irq_type, + handle_level_irq); + + #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC) + set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | + IE_IRQ3 | IE_IRQ4 | IE_IRQ5); + #else + set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 | + IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); + #endif +} + +void __cpuinit +arch_fixup_c0_irqs(void) +{ + /* FIXME: check for CPUID and only do fix for specific chips/versions */ + cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; + cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/mach-arv452.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/mach-arv452.c new file mode 100644 index 0000000000..1b76c73d7b --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/mach-arv452.c @@ -0,0 +1,170 @@ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/gpio_buttons.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> + +#include <machine.h> +#include <ifxmips_prom.h> + +#include "arcaydian.h" +#include "devices.h" + +#define ARV452_EBU_GPIO_START 0x14000000 +#define ARV452_EBU_GPIO_SIZE 0x00001000 + +#define ARV452_GPIO_BUTTON_RESET 14 +#define ARV452_BUTTONS_POLL_INTERVAL 20 + +#define ARV452_LATCH_SWITCH (1 << 10) + +#ifdef CONFIG_MTD_PARTITIONS +static struct mtd_partition arv452_partitions[] = +{ + { + .name = "uboot", + .offset = 0x0, + .size = 0x20000, + }, + { + .name = "uboot_env", + .offset = 0x20000, + .size = 0x0, + }, + { + .name = "kernel", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "rootfs", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "board_config", + .offset = 0x3f0000, + .size = 0x10000, + }, + { + .name = "openwrt", + .offset = 0x0, + .size = 0x0, + }, +}; +#endif + +static struct physmap_flash_data arv452_flash_data = { +#ifdef CONFIG_MTD_PARTITIONS + .nr_parts = ARRAY_SIZE(arv452_partitions), + .parts = arv452_partitions, +#endif +}; + +static struct gpio_led +arv452_leds_gpio[] __initdata = { +/* + { .name = "ifx0", .gpio = 0, .active_low = 1, }, + { .name = "ifx1", .gpio = 1, .active_low = 1, }, + { .name = "ifx2", .gpio = 2, .active_low = 1, }, +*/ + { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 6, .active_low = 1, }, + { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, }, + { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, }, +/* + { .name = "ifx10", .gpio = 10, .active_low = 1, }, + { .name = "ifx11", .gpio = 11, .active_low = 1, }, + { .name = "ifx12", .gpio = 12, .active_low = 1, }, + { .name = "ifx13", .gpio = 13, .active_low = 1, }, + { .name = "ifx14", .gpio = 14, .active_low = 1, }, + { .name = "ifx15", .gpio = 15, .active_low = 1, }, + { .name = "ifx16", .gpio = 16, .active_low = 1, }, + { .name = "ifx17", .gpio = 17, .active_low = 1, }, + { .name = "ifx18", .gpio = 18, .active_low = 1, }, + { .name = "ifx19", .gpio = 19, .active_low = 1, }, + { .name = "ifx20", .gpio = 20, .active_low = 1, }, + { .name = "ifx21", .gpio = 21, .active_low = 1, }, + { .name = "ifx22", .gpio = 22, .active_low = 1, }, + { .name = "ifx23", .gpio = 23, .active_low = 1, }, + { .name = "ifx24", .gpio = 24, .active_low = 1, }, + { .name = "ifx25", .gpio = 25, .active_low = 1, }, + { .name = "ifx26", .gpio = 26, .active_low = 1, }, + { .name = "ifx27", .gpio = 27, .active_low = 1, }, + { .name = "ifx28", .gpio = 28, .active_low = 1, }, + { .name = "ifx29", .gpio = 29, .active_low = 1, }, + { .name = "ifx30", .gpio = 30, .active_low = 1, }, + { .name = "ifx31", .gpio = 31, .active_low = 1, }, +*/ + { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, }, + { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, }, + { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, }, + { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, }, + { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, }, + { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, }, + { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, }, +/* { .name = "ifx39", .gpio = 39, .active_low = 1, }, + { .name = "ifx40", .gpio = 40, .active_low = 1, }, + { .name = "ifx41", .gpio = 41, .active_low = 1, }, + { .name = "ifx42", .gpio = 42, .active_low = 1, }, + { .name = "ifx43", .gpio = 43, .active_low = 1, }, + { .name = "ifx44", .gpio = 44, .active_low = 1, }, + { .name = "ifx45", .gpio = 45, .active_low = 1, }, + { .name = "ifx46", .gpio = 46, .active_low = 1, }, + { .name = "ifx47", .gpio = 47, .active_low = 1, }, +*/ +}; + +static struct gpio_button +arv452_gpio_buttons[] __initdata = { + { + .desc = "reset", + .type = EV_KEY, + .code = BTN_0, + .threshold = 3, + .gpio = ARV452_GPIO_BUTTON_RESET, + .active_low = 1, + } +}; + +static struct resource arv452_ebu_resource = +{ + .name = "ebu-gpio", + .start = ARV452_EBU_GPIO_START, + .end = ARV452_EBU_GPIO_START + ARV452_EBU_GPIO_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static void __init +arv452_init(void) +{ + unsigned char mac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + ifxmips_find_brn_mac(mac); + + ifxmips_register_gpio(); + + danube_register_ebu_gpio(&arv452_ebu_resource, ARV452_LATCH_SWITCH); + + ifxmips_register_mtd(&arv452_flash_data); + + danube_register_pci(PCI_CLOCK_EXT, 0); + + ifxmips_register_wdt(); + + ifxmips_register_gpio_leds(arv452_leds_gpio, ARRAY_SIZE(arv452_leds_gpio)); + + danube_register_ethernet(mac); + + danube_register_usb(); +} + +MIPS_MACHINE(IFXMIPS_MACH_ARV452, + "ARV452", + "Airties WAV-281, Arcor A800", + arv452_init); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/setup.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/setup.c new file mode 100644 index 0000000000..35e6fd9645 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/ar9/setup.c @@ -0,0 +1,96 @@ +#include <linux/cpu.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/pm.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <asm/reboot.h> +#include <asm/system.h> +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +#define SYSTEM_DANUBE "Danube" +#define SYSTEM_DANUBE_CHIPID1 0x00129083 +#define SYSTEM_DANUBE_CHIPID2 0x0012B083 + +#define SYSTEM_TWINPASS "Twinpass" +#define SYSTEM_TWINPASS_CHIPID 0x0012D083 + +static unsigned int chiprev = 0; +unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN]; + +unsigned int +ifxmips_get_cpu_ver(void) +{ + return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28; +} +EXPORT_SYMBOL(ifxmips_get_cpu_ver); + +const char* +get_system_type(void) +{ + return ifxmips_sys_type; +} + +static void +ifxmips_machine_restart(char *command) +{ + printk(KERN_NOTICE "System restart\n"); + local_irq_disable(); + ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL, + IFXMIPS_RCU_RST); + for(;;); +} + +static void +ifxmips_machine_halt(void) +{ + printk(KERN_NOTICE "System halted.\n"); + local_irq_disable(); + for(;;); +} + +static void +ifxmips_machine_power_off(void) +{ + printk(KERN_NOTICE "Please turn off the power now.\n"); + local_irq_disable(); + for(;;); +} + +void __init +ifxmips_soc_setup(void) +{ + char *name = SYSTEM_DANUBE; + ioport_resource.start = IOPORT_RESOURCE_START; + ioport_resource.end = IOPORT_RESOURCE_END; + iomem_resource.start = IOMEM_RESOURCE_START; + iomem_resource.end = IOMEM_RESOURCE_END; + + _machine_restart = ifxmips_machine_restart; + _machine_halt = ifxmips_machine_halt; + pm_power_off = ifxmips_machine_power_off; + + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + + switch (chiprev) + { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + name = SYSTEM_DANUBE; + break; + + case SYSTEM_TWINPASS_CHIPID: + name = SYSTEM_TWINPASS; + break; + + default: + printk(KERN_ERR "This is not a danube chiprev : 0x%08X\n", chiprev); + BUG(); + break; + } + snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz", + name, ifxmips_get_cpu_ver(), + ifxmips_get_cpu_hz() / 1000000); + ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN - 1] = '\0'; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/Makefile b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/Makefile new file mode 100644 index 0000000000..4c04aff094 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/Makefile @@ -0,0 +1,2 @@ +obj-y := gpio.o pmu.o prom.o setup.o devices.o +obj-$(CONFIG_EARLY_PRINTK) += early_printk.o diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.c new file mode 100644 index 0000000000..dcd2346c8e --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.c @@ -0,0 +1,135 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/leds.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +/* gpiodev */ +static struct platform_device ifxmips_gpio_dev = +{ + .name = "GPIODEV", + .num_resources = 1, +}; + +void __init +ifxmips_register_gpio_dev(void) +{ + platform_device_register(&ifxmips_gpio_dev); +} + +/* gpio leds */ +#ifdef CONFIG_LEDS_GPIO +static struct gpio_led_platform_data ifxmips_gpio_led_data; + +static struct platform_device ifxmips_gpio_leds = +{ + .name = "leds-gpio", + .dev = { + .platform_data = (void *) &ifxmips_gpio_led_data, + } +}; + +void __init +ifxmips_register_gpio_leds(struct gpio_led *leds, int cnt) +{ + ifxmips_gpio_led_data.leds = leds; + ifxmips_gpio_led_data.num_leds = cnt; + platform_device_register(&ifxmips_gpio_leds); +} +#endif + +/* leds */ +static struct gpio_led_platform_data ifxmips_led_data; + +static struct platform_device ifxmips_led = +{ + .name = "ifxmips_led", + .dev = { + .platform_data = (void *) &ifxmips_led_data, + } +}; + +void __init +ifxmips_register_leds(struct gpio_led *leds, int cnt) +{ + ifxmips_led_data.leds = leds; + ifxmips_led_data.num_leds = cnt; + platform_device_register(&ifxmips_led); +} + +/* mtd flash */ +static struct resource ifxmips_mtd_resource = +{ + .start = IFXMIPS_FLASH_START, + .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ifxmips_mtd = +{ + .name = "ifxmips_mtd", + .resource = &ifxmips_mtd_resource, + .num_resources = 1, +}; + +void __init +ifxmips_register_mtd(struct physmap_flash_data *pdata) +{ + ifxmips_mtd.dev.platform_data = pdata; + platform_device_register(&ifxmips_mtd); +} + +/* watchdog */ +static struct resource ifxmips_wdt_resource = +{ + .start = IFXMIPS_WDT_BASE_ADDR, + .end = IFXMIPS_WDT_BASE_ADDR + IFXMIPS_WDT_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ifxmips_wdt = +{ + .name = "ifxmips_wdt", + .resource = &ifxmips_wdt_resource, + .num_resources = 1, +}; + +void __init +ifxmips_register_wdt(void) +{ + platform_device_register(&ifxmips_wdt); +} + +/* gpio */ +static struct platform_device ifxmips_gpio0 = +{ + .name = "ifxmips_gpio", +}; + +static struct platform_device ifxmips_gpio1 = +{ + .name = "ifxmips_gpio1", +}; + +void __init +ifxmips_register_gpio(void) +{ + platform_device_register(&ifxmips_gpio0); + platform_device_register(&ifxmips_gpio1); +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.h b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.h new file mode 100644 index 0000000000..2f8b45ea4b --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/devices.h @@ -0,0 +1,11 @@ +#ifndef _IFXMIPS_DEVICES_H__ +#define _IFXMIPS_DEVICES_H__ + +void __init ifxmips_register_gpio_dev(void); +void __init ifxmips_register_gpio_leds(struct gpio_led *leds, int cnt); +void __init ifxmips_register_leds(struct gpio_led *leds, int cnt); +void __init ifxmips_register_mtd(struct physmap_flash_data *pdata); +void __init ifxmips_register_wdt(void); +void __init ifxmips_register_gpio(void); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/early_printk.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/early_printk.c new file mode 100644 index 0000000000..1409836390 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/early_printk.c @@ -0,0 +1,56 @@ +#include <linux/init.h> +#include <linux/cpu.h> + +#include <ifxmips.h> + +#ifdef CONFIG_IFXMIPS_PROM_ASC0 +#define IFXMIPS_ASC_DIFF 0 +#else +#define IFXMIPS_ASC_DIFF IFXMIPS_ASC_BASE_DIFF +#endif + +static char buf[1024]; + +static inline u32 +asc_r32(unsigned long r) +{ + return ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_DIFF + r)); +} + +static inline void +asc_w32(u32 v, unsigned long r) +{ + ifxmips_w32(v, (u32 *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_DIFF + r)); +} + +void +prom_putchar(char c) +{ + unsigned long flags; + + local_irq_save(flags); + while ((asc_r32(IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) >> ASCFSTAT_TXFFLOFF); + + if (c == '\n') + asc_w32('\r', IFXMIPS_ASC_TBUF); + asc_w32(c, IFXMIPS_ASC_TBUF); + local_irq_restore(flags); +} + +void +early_printf(const char *fmt, ...) +{ + va_list args; + int l; + char *p, *buf_end; + + va_start(args, fmt); + l = vsprintf(buf, fmt, args); + va_end(args); + buf_end = buf + l; + + for (p = buf; p < buf_end; p++) + prom_putchar(*p); +} + + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/gpio.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/gpio.c new file mode 100644 index 0000000000..1ac00ded5b --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/gpio.c @@ -0,0 +1,345 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2004 btxu Generate from INCA-IP project + * Copyright (C) 2005 Jin-Sze.Sow Comments edited + * Copyright (C) 2006 Huang Xiaogang Modification & verification on Danube chip + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/proc_fs.h> +#include <linux/init.h> +#include <linux/ioctl.h> +#include <linux/timer.h> +#include <linux/module.h> +#include <linux/timer.h> +#include <linux/interrupt.h> +#include <linux/kobject.h> +#include <linux/workqueue.h> +#include <linux/skbuff.h> +#include <linux/netlink.h> +#include <linux/platform_device.h> +#include <linux/uaccess.h> +#include <linux/semaphore.h> +#include <linux/gpio.h> + +#include <net/sock.h> + +#include <ifxmips.h> + +#define MAX_PORTS 2 +#define PINS_PER_PORT 16 + +#define IFXMIPS_GPIO_SANITY {if (port > MAX_PORTS || pin > PINS_PER_PORT) return -EINVAL; } + +#define GPIO_TO_PORT(x) ((x > 15) ? (1) : (0)) +#define GPIO_TO_GPIO(x) ((x > 15) ? (x - 16) : (x)) + +int +ifxmips_port_reserve_pin(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + printk(KERN_INFO "%s : call to obseleted function\n", __func__); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_reserve_pin); + +int +ifxmips_port_free_pin(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + printk(KERN_INFO "%s : call to obseleted function\n", __func__); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_free_pin); + +int +ifxmips_port_set_open_drain(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_OD + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_open_drain); + +int +ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OD + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_OD + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_open_drain); + +int +ifxmips_port_set_pudsel(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_pudsel); + +int +ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_PUDSEL + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_pudsel); + +int +ifxmips_port_set_puden(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_puden); + +int +ifxmips_port_clear_puden(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_PUDEN + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_puden); + +int +ifxmips_port_set_stoff(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_STOFF + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_stoff); + +int +ifxmips_port_clear_stoff(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_STOFF + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_STOFF + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_stoff); + +int +ifxmips_port_set_dir_out(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_DIR + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_dir_out); + +int +ifxmips_port_set_dir_in(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_DIR + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_DIR + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_dir_in); + +int +ifxmips_port_set_output(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_OUT + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_output); + +int +ifxmips_port_clear_output(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_OUT + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_OUT + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_output); + +int +ifxmips_port_get_input(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + if (ifxmips_r32(IFXMIPS_GPIO_P0_IN + (port * 0xC)) & (1 << pin)) + return 0; + else + return 1; +} +EXPORT_SYMBOL(ifxmips_port_get_input); + +int +ifxmips_port_set_altsel0(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_altsel0); + +int +ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_ALTSEL0 + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_altsel0); + +int +ifxmips_port_set_altsel1(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) | (1 << pin), + IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_set_altsel1); + +int +ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin) +{ + IFXMIPS_GPIO_SANITY; + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)) & ~(1 << pin), + IFXMIPS_GPIO_P0_ALTSEL1 + (port * 0xC)); + return 0; +} +EXPORT_SYMBOL(ifxmips_port_clear_altsel1); + +static void +ifxmips_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) +{ + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + if(value) + ifxmips_port_set_output(port, gpio); + else + ifxmips_port_clear_output(port, gpio); +} + +static int +ifxmips_gpio_get(struct gpio_chip *chip, unsigned int offset) +{ + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + return ifxmips_port_get_input(port, gpio); +} + +static int +ifxmips_gpio_direction_input(struct gpio_chip *chip, unsigned int offset) +{ + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + ifxmips_port_set_open_drain(port, gpio); + ifxmips_port_clear_altsel0(port, gpio); + ifxmips_port_clear_altsel1(port, gpio); + ifxmips_port_set_dir_in(port, gpio); + return 0; +} + +static int +ifxmips_gpio_direction_output(struct gpio_chip *chip, unsigned int offset, int value) +{ + int port = GPIO_TO_PORT(offset); + int gpio = GPIO_TO_GPIO(offset); + ifxmips_port_clear_open_drain(port, gpio); + ifxmips_port_clear_altsel0(port, gpio); + ifxmips_port_clear_altsel1(port, gpio); + ifxmips_port_set_dir_out(port, gpio); + ifxmips_gpio_set(chip, offset, value); + return 0; +} + +int +gpio_to_irq(unsigned int gpio) +{ + return -EINVAL; +} +EXPORT_SYMBOL(gpio_to_irq); + +struct gpio_chip +ifxmips_gpio_chip = +{ + .label = "ifxmips-gpio", + .direction_input = ifxmips_gpio_direction_input, + .direction_output = ifxmips_gpio_direction_output, + .get = ifxmips_gpio_get, + .set = ifxmips_gpio_set, + .base = 0, + .ngpio = 32, +}; + +static int +ifxmips_gpio_probe(struct platform_device *dev) +{ + gpiochip_add(&ifxmips_gpio_chip); + return 0; +} + +static int +ifxmips_gpio_remove(struct platform_device *pdev) +{ + gpiochip_remove(&ifxmips_gpio_chip); + return 0; +} + +static struct platform_driver +ifxmips_gpio_driver = { + .probe = ifxmips_gpio_probe, + .remove = ifxmips_gpio_remove, + .driver = { + .name = "ifxmips_gpio", + .owner = THIS_MODULE, + }, +}; + +int __init +ifxmips_gpio_init(void) +{ + int ret = platform_driver_register(&ifxmips_gpio_driver); + if (ret) + printk(KERN_INFO "ifxmips_gpio : Error registering platfom driver!"); + return ret; +} + +void __exit +ifxmips_gpio_exit(void) +{ + platform_driver_unregister(&ifxmips_gpio_driver); +} + +module_init(ifxmips_gpio_init); +module_exit(ifxmips_gpio_exit); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/pmu.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/pmu.c new file mode 100644 index 0000000000..afd890bd93 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/pmu.c @@ -0,0 +1,25 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> + +#include <ifxmips.h> + +void +ifxmips_pmu_enable(unsigned int module) +{ + int err = 1000000; + + ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) & ~module, IFXMIPS_PMU_PWDCR); + while (--err && (ifxmips_r32(IFXMIPS_PMU_PWDSR) & module)); + + if (!err) + panic("activating PMU module failed!"); +} +EXPORT_SYMBOL(ifxmips_pmu_enable); + +void +ifxmips_pmu_disable(unsigned int module) +{ + ifxmips_w32(ifxmips_r32(IFXMIPS_PMU_PWDCR) | module, IFXMIPS_PMU_PWDCR); +} +EXPORT_SYMBOL(ifxmips_pmu_disable); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/prom.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/prom.c new file mode 100644 index 0000000000..8eb12c78bf --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/prom.c @@ -0,0 +1,143 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/bootmem.h> +#include <linux/etherdevice.h> + +#include <asm/bootinfo.h> +#include <machine.h> + +#include <ifxmips.h> +#include <ifxmips_prom.h> + +/* for voice cpu (MIPS24K) */ +unsigned int *prom_cp1_base; +unsigned int prom_cp1_size; + +/* for Multithreading (APRP) on MIPS34K */ +unsigned long physical_memsize; + +void +prom_free_prom_memory(void) +{ +} + +unsigned int* +prom_get_cp1_base(void) +{ + return prom_cp1_base; +} +EXPORT_SYMBOL(prom_get_cp1_base); + +unsigned int +prom_get_cp1_size(void) +{ + /* return size im MB */ + return prom_cp1_size>>20; +} +EXPORT_SYMBOL(prom_get_cp1_size); + +extern unsigned char ifxmips_ethaddr[6]; +int cmdline_mac = 0; + +static int __init +ifxmips_set_ethaddr(char *str) +{ +#define IS_HEX(x) \ + (((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \ + || (x >= 'A' && x <= 'F')) ? (1) : (0)) + int i; + str = strchr(str, '='); + if (!str) + goto out; + str++; + if (strlen(str) != 17) + goto out; + for (i = 0; i < 6; i++) { + if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1])) + goto out; + if ((i != 5) && (str[(3 * i) + 2] != ':')) + goto out; + ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16); + } + if (is_valid_ether_addr(ifxmips_ethaddr)) + cmdline_mac = 1; +out: + return 1; +} +__setup("ethaddr", ifxmips_set_ethaddr); + +static void __init prom_detect_machtype(void) +{ + mips_machtype = IFXMIPS_MACH_EASY50712; +} + +static void __init prom_init_cmdline(void) +{ + int argc = fw_arg0; + char **argv = (char **) fw_arg1; + char **envp = (char **) fw_arg2; + + int memsize = 16; /* assume 16M as default */ + int i; + + if (argc) + { + argv = (char **)KSEG1ADDR((unsigned long)argv); + arcs_cmdline[0] = '\0'; + for (i = 1; i < argc; i++) + { + char *a = (char *)KSEG1ADDR(argv[i]); + if (!argv[i]) + continue; + /* for voice cpu on Twinpass/Danube */ + if (cpu_data[0].cputype == CPU_24K) + if (!strncmp(a, "cp1_size=", 9)) + { + prom_cp1_size = memparse(a + 9, &a); + continue; + } + if (strlen(arcs_cmdline) + strlen(a + 1) >= sizeof(arcs_cmdline)) + { + early_printf("cmdline overflow, skipping: %s\n", a); + break; + } + strcat(arcs_cmdline, a); + strcat(arcs_cmdline, " "); + } + if (!*arcs_cmdline) + strcpy(&(arcs_cmdline[0]), + "console=ttyS0,115200 rootfstype=squashfs,jffs2"); + } + envp = (char **)KSEG1ADDR((unsigned long)envp); + while (*envp) + { + char *e = (char *)KSEG1ADDR(*envp); + + if (!strncmp(e, "memsize=", 8)) + { + e += 8; + memsize = simple_strtoul(e, NULL, 10); + } + envp++; + } + memsize *= 1024 * 1024; + + /* only on Twinpass/Danube a second CPU is used for Voice */ + if ((cpu_data[0].cputype == CPU_24K) && (prom_cp1_size)) + { + memsize -= prom_cp1_size; + prom_cp1_base = (unsigned int *)KSEG1ADDR(memsize); + + early_printf("Using %dMB Ram and reserving %dMB for cp1\n", + memsize>>20, prom_cp1_size>>20); + } + + add_memory_region(0x00000000, memsize, BOOT_MEM_RAM); +} + +void __init +prom_init(void) +{ + prom_detect_machtype(); + prom_init_cmdline(); +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/setup.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/setup.c new file mode 100644 index 0000000000..41e6415e8e --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/common/setup.c @@ -0,0 +1,104 @@ +#include <linux/init.h> +#include <linux/cpu.h> + +#include <asm/time.h> +#include <asm/traps.h> +#include <asm/irq.h> +#include <asm/bootinfo.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_pmu.h> +#include <ifxmips_cgu.h> +#include <ifxmips_prom.h> + +#include <machine.h> + +DEFINE_SPINLOCK(ebu_lock); +EXPORT_SYMBOL_GPL(ebu_lock); + +static unsigned int r4k_offset; +static unsigned int r4k_cur; + +static unsigned int ifxmips_ram_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M }; +#define DDR_HZ ifxmips_ram_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3] + +extern void __init ifxmips_soc_setup(void); + +static inline u32 +ifxmips_get_counter_resolution(void) +{ + u32 res; + __asm__ __volatile__( + ".set push\n" + ".set mips32r2\n" + ".set noreorder\n" + "rdhwr %0, $3\n" + "ehb\n" + ".set pop\n" + : "=&r" (res) + : /* no input */ + : "memory"); + instruction_hazard(); + return res; +} + +void __init +plat_time_init(void) +{ + mips_hpt_frequency = ifxmips_get_cpu_hz() / ifxmips_get_counter_resolution(); + r4k_cur = (read_c0_count() + r4k_offset); + write_c0_compare(r4k_cur); + + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT | IFXMIPS_PMU_PWDCR_FPI); + ifxmips_w32(0x100, IFXMIPS_GPTU_GPT_CLC); /* set clock divider to 1 */ +} + +void __init +plat_mem_setup(void) +{ + u32 status; + + /* make sure to have no "reverse endian" for user mode! */ + status = read_c0_status(); + status &= (~(1<<25)); + write_c0_status(status); + + /* call the chip specific init code */ + ifxmips_soc_setup(); +} + + +unsigned int +ifxmips_get_cpu_hz(void) +{ + switch (ifxmips_r32(IFXMIPS_CGU_SYS) & 0xc) + { + case 0: + return CLOCK_333M; + case 4: + return DDR_HZ; + } + return DDR_HZ >> 1; +} +EXPORT_SYMBOL(ifxmips_get_cpu_hz); + +static int __init +ifxmips_machine_setup(void) +{ + mips_machine_setup(); + return 0; +} + +arch_initcall(ifxmips_machine_setup); + +static void __init +ifxmips_generic_init(void) +{ +} + +MIPS_MACHINE(IFXMIPS_MACH_GENERIC, "Generic", "Generic Infineon board", + ifxmips_generic_init); + +__setup("board=", mips_machtype_setup); + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/Makefile b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/Makefile new file mode 100644 index 0000000000..b87e0cee89 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/Makefile @@ -0,0 +1 @@ +obj-y := timer.o cgu.o diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/cgu.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/cgu.c new file mode 100644 index 0000000000..2d161fdeca --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/cgu.c @@ -0,0 +1,173 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 Xu Liang, infineon + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/init.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> +#include <linux/errno.h> + +#include <asm/irq.h> +#include <asm/div64.h> + +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +static unsigned int cgu_get_pll0_fdiv(void); +unsigned int ifxmips_clocks[] = {CLOCK_167M, CLOCK_133M, CLOCK_111M, CLOCK_83M }; + +#define DDR_HZ ifxmips_clocks[ifxmips_r32(IFXMIPS_CGU_SYS) & 0x3] + +static inline unsigned int get_input_clock(int pll) +{ + switch (pll) { + case 0: + if (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & CGU_PLL0_SRC) + return BASIS_INPUT_CRYSTAL_USB; + else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) + return BASIC_INPUT_CLOCK_FREQUENCY_1; + else + return BASIC_INPUT_CLOCK_FREQUENCY_2; + case 1: + if (CGU_PLL1_SRC) + return BASIS_INPUT_CRYSTAL_USB; + else if (CGU_PLL0_PHASE_DIVIDER_ENABLE) + return BASIC_INPUT_CLOCK_FREQUENCY_1; + else + return BASIC_INPUT_CLOCK_FREQUENCY_2; + case 2: + switch (CGU_PLL2_SRC) { + case 0: + return cgu_get_pll0_fdiv(); + case 1: + return CGU_PLL2_PHASE_DIVIDER_ENABLE ? + BASIC_INPUT_CLOCK_FREQUENCY_1 : + BASIC_INPUT_CLOCK_FREQUENCY_2; + case 2: + return BASIS_INPUT_CRYSTAL_USB; + } + default: + return 0; + } +} + +static inline unsigned int cal_dsm(int pll, unsigned int num, unsigned int den) +{ + u64 res, clock = get_input_clock(pll); + + res = num * clock; + do_div(res, den); + return res; +} + +static inline unsigned int mash_dsm(int pll, unsigned int M, unsigned int N, + unsigned int K) +{ + unsigned int num = ((N + 1) << 10) + K; + unsigned int den = (M + 1) << 10; + + return cal_dsm(pll, num, den); +} + +static inline unsigned int ssff_dsm_1(int pll, unsigned int M, unsigned int N, + unsigned int K) +{ + unsigned int num = ((N + 1) << 11) + K + 512; + unsigned int den = (M + 1) << 11; + + return cal_dsm(pll, num, den); +} + +static inline unsigned int ssff_dsm_2(int pll, unsigned int M, unsigned int N, + unsigned int K) +{ + unsigned int num = K >= 512 ? + ((N + 1) << 12) + K - 512 : ((N + 1) << 12) + K + 3584; + unsigned int den = (M + 1) << 12; + + return cal_dsm(pll, num, den); +} + +static inline unsigned int dsm(int pll, unsigned int M, unsigned int N, + unsigned int K, unsigned int dsmsel, unsigned int phase_div_en) +{ + if (!dsmsel) + return mash_dsm(pll, M, N, K); + else if (!phase_div_en) + return mash_dsm(pll, M, N, K); + else + return ssff_dsm_2(pll, M, N, K); +} + +static inline unsigned int cgu_get_pll0_fosc(void) +{ + if (CGU_PLL0_BYPASS) + return get_input_clock(0); + else + return !CGU_PLL0_CFG_FRAC_EN + ? dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, 0, CGU_PLL0_CFG_DSMSEL, + CGU_PLL0_PHASE_DIVIDER_ENABLE) + : dsm(0, CGU_PLL0_CFG_PLLM, CGU_PLL0_CFG_PLLN, CGU_PLL0_CFG_PLLK, + CGU_PLL0_CFG_DSMSEL, CGU_PLL0_PHASE_DIVIDER_ENABLE); +} + +static unsigned int cgu_get_pll0_fdiv(void) +{ + unsigned int div = CGU_PLL2_CFG_INPUT_DIV + 1; + return (cgu_get_pll0_fosc() + (div >> 1)) / div; +} + +unsigned int cgu_get_io_region_clock(void) +{ + unsigned int ret = cgu_get_pll0_fosc(); + switch (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & CGU_SYS_DDR_SEL) { + default: + case 0: + return (ret + 1) / 2; + case 1: + return (ret * 2 + 2) / 5; + case 2: + return (ret + 1) / 3; + case 3: + return (ret + 2) / 4; + } +} + +unsigned int cgu_get_fpi_bus_clock(int fpi) +{ + unsigned int ret = cgu_get_io_region_clock(); + if ((fpi == 2) && (ifxmips_r32(IFXMIPS_CGU_SYS) & CGU_SYS_FPI_SEL)) + ret >>= 1; + return ret; +} +EXPORT_SYMBOL(cgu_get_fpi_bus_clock); + +unsigned int ifxmips_get_fpi_hz(void) +{ + unsigned int ddr_clock = DDR_HZ; + if (ifxmips_r32(IFXMIPS_CGU_SYS) & 0x40) + return ddr_clock >> 1; + return ddr_clock; +} +EXPORT_SYMBOL(ifxmips_get_fpi_hz); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/timer.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/timer.c new file mode 100644 index 0000000000..7961ee46a5 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/compat/timer.c @@ -0,0 +1,830 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/init.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> +#include <linux/errno.h> +#include <linux/interrupt.h> +#include <linux/sched.h> + +#include <asm/irq.h> +#include <asm/div64.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_cgu.h> +#include <ifxmips_gptu.h> +#include <ifxmips_pmu.h> + +#define MAX_NUM_OF_32BIT_TIMER_BLOCKS 6 + +#ifdef TIMER1A +#define FIRST_TIMER TIMER1A +#else +#define FIRST_TIMER 2 +#endif + +/* + * GPTC divider is set or not. + */ +#define GPTU_CLC_RMC_IS_SET 0 + +/* + * Timer Interrupt (IRQ) + */ +/* Must be adjusted when ICU driver is available */ +#define TIMER_INTERRUPT (INT_NUM_IM3_IRL0 + 22) + +/* + * Bits Operation + */ +#define GET_BITS(x, msb, lsb) \ + (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb)) +#define SET_BITS(x, msb, lsb, value) \ + (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | \ + (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb))) + +/* + * GPTU Register Mapping + */ +#define IFXMIPS_GPTU (KSEG1 + 0x1E100A00) +#define IFXMIPS_GPTU_CLC ((volatile u32 *)(IFXMIPS_GPTU + 0x0000)) +#define IFXMIPS_GPTU_ID ((volatile u32 *)(IFXMIPS_GPTU + 0x0008)) +#define IFXMIPS_GPTU_CON(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0010 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_RUN(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0018 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_RELOAD(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0020 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_COUNT(n, X) ((volatile u32 *)(IFXMIPS_GPTU + 0x0028 + ((X) * 4) + ((n) - 1) * 0x0020)) /* X must be either A or B */ +#define IFXMIPS_GPTU_IRNEN ((volatile u32 *)(IFXMIPS_GPTU + 0x00F4)) +#define IFXMIPS_GPTU_IRNICR ((volatile u32 *)(IFXMIPS_GPTU + 0x00F8)) +#define IFXMIPS_GPTU_IRNCR ((volatile u32 *)(IFXMIPS_GPTU + 0x00FC)) + +/* + * Clock Control Register + */ +#define GPTU_CLC_SMC GET_BITS(*IFXMIPS_GPTU_CLC, 23, 16) +#define GPTU_CLC_RMC GET_BITS(*IFXMIPS_GPTU_CLC, 15, 8) +#define GPTU_CLC_FSOE (*IFXMIPS_GPTU_CLC & (1 << 5)) +#define GPTU_CLC_EDIS (*IFXMIPS_GPTU_CLC & (1 << 3)) +#define GPTU_CLC_SPEN (*IFXMIPS_GPTU_CLC & (1 << 2)) +#define GPTU_CLC_DISS (*IFXMIPS_GPTU_CLC & (1 << 1)) +#define GPTU_CLC_DISR (*IFXMIPS_GPTU_CLC & (1 << 0)) + +#define GPTU_CLC_SMC_SET(value) SET_BITS(0, 23, 16, (value)) +#define GPTU_CLC_RMC_SET(value) SET_BITS(0, 15, 8, (value)) +#define GPTU_CLC_FSOE_SET(value) ((value) ? (1 << 5) : 0) +#define GPTU_CLC_SBWE_SET(value) ((value) ? (1 << 4) : 0) +#define GPTU_CLC_EDIS_SET(value) ((value) ? (1 << 3) : 0) +#define GPTU_CLC_SPEN_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_CLC_DISR_SET(value) ((value) ? (1 << 0) : 0) + +/* + * ID Register + */ +#define GPTU_ID_ID GET_BITS(*IFXMIPS_GPTU_ID, 15, 8) +#define GPTU_ID_CFG GET_BITS(*IFXMIPS_GPTU_ID, 7, 5) +#define GPTU_ID_REV GET_BITS(*IFXMIPS_GPTU_ID, 4, 0) + +/* + * Control Register of Timer/Counter nX + * n is the index of block (1 based index) + * X is either A or B + */ +#define GPTU_CON_SRC_EG(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 10)) +#define GPTU_CON_SRC_EXT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 9)) +#define GPTU_CON_SYNC(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 8)) +#define GPTU_CON_EDGE(n, X) GET_BITS(*IFXMIPS_GPTU_CON(n, X), 7, 6) +#define GPTU_CON_INV(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 5)) +#define GPTU_CON_EXT(n, X) (*IFXMIPS_GPTU_CON(n, A) & (1 << 4)) /* Timer/Counter B does not have this bit */ +#define GPTU_CON_STP(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 3)) +#define GPTU_CON_CNT(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 2)) +#define GPTU_CON_DIR(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 1)) +#define GPTU_CON_EN(n, X) (*IFXMIPS_GPTU_CON(n, X) & (1 << 0)) + +#define GPTU_CON_SRC_EG_SET(value) ((value) ? 0 : (1 << 10)) +#define GPTU_CON_SRC_EXT_SET(value) ((value) ? (1 << 9) : 0) +#define GPTU_CON_SYNC_SET(value) ((value) ? (1 << 8) : 0) +#define GPTU_CON_EDGE_SET(value) SET_BITS(0, 7, 6, (value)) +#define GPTU_CON_INV_SET(value) ((value) ? (1 << 5) : 0) +#define GPTU_CON_EXT_SET(value) ((value) ? (1 << 4) : 0) +#define GPTU_CON_STP_SET(value) ((value) ? (1 << 3) : 0) +#define GPTU_CON_CNT_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_CON_DIR_SET(value) ((value) ? (1 << 1) : 0) + +#define GPTU_RUN_RL_SET(value) ((value) ? (1 << 2) : 0) +#define GPTU_RUN_CEN_SET(value) ((value) ? (1 << 1) : 0) +#define GPTU_RUN_SEN_SET(value) ((value) ? (1 << 0) : 0) + +#define GPTU_IRNEN_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) +#define GPTU_IRNCR_TC_SET(n, X, value) ((value) ? (1 << (((n) - 1) * 2 + (X))) : 0) + +#define TIMER_FLAG_MASK_SIZE(x) (x & 0x0001) +#define TIMER_FLAG_MASK_TYPE(x) (x & 0x0002) +#define TIMER_FLAG_MASK_STOP(x) (x & 0x0004) +#define TIMER_FLAG_MASK_DIR(x) (x & 0x0008) +#define TIMER_FLAG_NONE_EDGE 0x0000 +#define TIMER_FLAG_MASK_EDGE(x) (x & 0x0030) +#define TIMER_FLAG_REAL 0x0000 +#define TIMER_FLAG_INVERT 0x0040 +#define TIMER_FLAG_MASK_INVERT(x) (x & 0x0040) +#define TIMER_FLAG_MASK_TRIGGER(x) (x & 0x0070) +#define TIMER_FLAG_MASK_SYNC(x) (x & 0x0080) +#define TIMER_FLAG_CALLBACK_IN_HB 0x0200 +#define TIMER_FLAG_MASK_HANDLE(x) (x & 0x0300) +#define TIMER_FLAG_MASK_SRC(x) (x & 0x1000) + +struct timer_dev_timer { + unsigned int f_irq_on; + unsigned int irq; + unsigned int flag; + unsigned long arg1; + unsigned long arg2; +}; + +struct timer_dev { + struct mutex gptu_mutex; + unsigned int number_of_timers; + unsigned int occupation; + unsigned int f_gptu_on; + struct timer_dev_timer timer[MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2]; +}; + +static int gptu_ioctl(struct inode *, struct file *, unsigned int, unsigned long); +static int gptu_open(struct inode *, struct file *); +static int gptu_release(struct inode *, struct file *); + +static struct file_operations gptu_fops = { + .owner = THIS_MODULE, + .ioctl = gptu_ioctl, + .open = gptu_open, + .release = gptu_release +}; + +static struct miscdevice gptu_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "gptu", + .fops = &gptu_fops, +}; + +static struct timer_dev timer_dev; + +static irqreturn_t timer_irq_handler(int irq, void *p) +{ + unsigned int timer; + unsigned int flag; + struct timer_dev_timer *dev_timer = (struct timer_dev_timer *)p; + + timer = irq - TIMER_INTERRUPT; + if (timer < timer_dev.number_of_timers + && dev_timer == &timer_dev.timer[timer]) { + /* Clear interrupt. */ + ifxmips_w32(1 << timer, IFXMIPS_GPTU_IRNCR); + + /* Call user hanler or signal. */ + flag = dev_timer->flag; + if (!(timer & 0x01) + || TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) { + /* 16-bit timer or timer A of 32-bit timer */ + switch (TIMER_FLAG_MASK_HANDLE(flag)) { + case TIMER_FLAG_CALLBACK_IN_IRQ: + case TIMER_FLAG_CALLBACK_IN_HB: + if (dev_timer->arg1) + (*(timer_callback)dev_timer->arg1)(dev_timer->arg2); + break; + case TIMER_FLAG_SIGNAL: + send_sig((int)dev_timer->arg2, (struct task_struct *)dev_timer->arg1, 0); + break; + } + } + } + return IRQ_HANDLED; +} + +static inline void ifxmips_enable_gptu(void) +{ + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_GPT); + + /* Set divider as 1, disable write protection for SPEN, enable module. */ + *IFXMIPS_GPTU_CLC = + GPTU_CLC_SMC_SET(0x00) | + GPTU_CLC_RMC_SET(0x01) | + GPTU_CLC_FSOE_SET(0) | + GPTU_CLC_SBWE_SET(1) | + GPTU_CLC_EDIS_SET(0) | + GPTU_CLC_SPEN_SET(0) | + GPTU_CLC_DISR_SET(0); +} + +static inline void ifxmips_disable_gptu(void) +{ + ifxmips_w32(0x00, IFXMIPS_GPTU_IRNEN); + ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR); + + /* Set divider as 0, enable write protection for SPEN, disable module. */ + *IFXMIPS_GPTU_CLC = + GPTU_CLC_SMC_SET(0x00) | + GPTU_CLC_RMC_SET(0x00) | + GPTU_CLC_FSOE_SET(0) | + GPTU_CLC_SBWE_SET(0) | + GPTU_CLC_EDIS_SET(0) | + GPTU_CLC_SPEN_SET(0) | + GPTU_CLC_DISR_SET(1); + + ifxmips_pmu_disable(IFXMIPS_PMU_PWDCR_GPT); +} + +int ifxmips_request_timer(unsigned int timer, unsigned int flag, + unsigned long value, unsigned long arg1, unsigned long arg2) +{ + int ret = 0; + unsigned int con_reg, irnen_reg; + int n, X; + + if (timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + printk(KERN_INFO "request_timer(%d, 0x%08X, %lu)...", + timer, flag, value); + + if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) + value &= 0xFFFF; + else + timer &= ~0x01; + + mutex_lock(&timer_dev.gptu_mutex); + + /* + * Allocate timer. + */ + if (timer < FIRST_TIMER) { + unsigned int mask; + unsigned int shift; + /* This takes care of TIMER1B which is the only choice for Voice TAPI system */ + unsigned int offset = TIMER2A; + + /* + * Pick up a free timer. + */ + if (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT) { + mask = 1 << offset; + shift = 1; + } else { + mask = 3 << offset; + shift = 2; + } + for (timer = offset; + timer < offset + timer_dev.number_of_timers; + timer += shift, mask <<= shift) + if (!(timer_dev.occupation & mask)) { + timer_dev.occupation |= mask; + break; + } + if (timer >= offset + timer_dev.number_of_timers) { + printk("failed![%d]\n", __LINE__); + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } else + ret = timer; + } else { + register unsigned int mask; + + /* + * Check if the requested timer is free. + */ + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if ((timer_dev.occupation & mask)) { + printk("failed![%d] mask %#x, timer_dev.occupation %#x\n", + __LINE__, mask, timer_dev.occupation); + mutex_unlock(&timer_dev.gptu_mutex); + return -EBUSY; + } else { + timer_dev.occupation |= mask; + ret = 0; + } + } + + /* + * Prepare control register value. + */ + switch (TIMER_FLAG_MASK_EDGE(flag)) { + default: + case TIMER_FLAG_NONE_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x00); + break; + case TIMER_FLAG_RISE_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x01); + break; + case TIMER_FLAG_FALL_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x02); + break; + case TIMER_FLAG_ANY_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x03); + break; + } + if (TIMER_FLAG_MASK_TYPE(flag) == TIMER_FLAG_TIMER) + con_reg |= + TIMER_FLAG_MASK_SRC(flag) == + TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : + GPTU_CON_SRC_EXT_SET(0); + else + con_reg |= + TIMER_FLAG_MASK_SRC(flag) == + TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : + GPTU_CON_SRC_EG_SET(0); + con_reg |= + TIMER_FLAG_MASK_SYNC(flag) == + TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : + GPTU_CON_SYNC_SET(1); + con_reg |= + TIMER_FLAG_MASK_INVERT(flag) == + TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1); + con_reg |= + TIMER_FLAG_MASK_SIZE(flag) == + TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : + GPTU_CON_EXT_SET(1); + con_reg |= + TIMER_FLAG_MASK_STOP(flag) == + TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0); + con_reg |= + TIMER_FLAG_MASK_TYPE(flag) == + TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : + GPTU_CON_CNT_SET(1); + con_reg |= + TIMER_FLAG_MASK_DIR(flag) == + TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0); + + /* + * Fill up running data. + */ + timer_dev.timer[timer - FIRST_TIMER].flag = flag; + timer_dev.timer[timer - FIRST_TIMER].arg1 = arg1; + timer_dev.timer[timer - FIRST_TIMER].arg2 = arg2; + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + timer_dev.timer[timer - FIRST_TIMER + 1].flag = flag; + + /* + * Enable GPTU module. + */ + if (!timer_dev.f_gptu_on) { + ifxmips_enable_gptu(); + timer_dev.f_gptu_on = 1; + } + + /* + * Enable IRQ. + */ + if (TIMER_FLAG_MASK_HANDLE(flag) != TIMER_FLAG_NO_HANDLE) { + if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL) + timer_dev.timer[timer - FIRST_TIMER].arg1 = + (unsigned long) find_task_by_vpid((int) arg1); + + irnen_reg = 1 << (timer - FIRST_TIMER); + + if (TIMER_FLAG_MASK_HANDLE(flag) == TIMER_FLAG_SIGNAL + || (TIMER_FLAG_MASK_HANDLE(flag) == + TIMER_FLAG_CALLBACK_IN_IRQ + && timer_dev.timer[timer - FIRST_TIMER].arg1)) { + enable_irq(timer_dev.timer[timer - FIRST_TIMER].irq); + timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 1; + } + } else + irnen_reg = 0; + + /* + * Write config register, reload value and enable interrupt. + */ + n = timer >> 1; + X = timer & 0x01; + *IFXMIPS_GPTU_CON(n, X) = con_reg; + *IFXMIPS_GPTU_RELOAD(n, X) = value; + /* printk("reload value = %d\n", (u32)value); */ + *IFXMIPS_GPTU_IRNEN |= irnen_reg; + + mutex_unlock(&timer_dev.gptu_mutex); + printk("successful!\n"); + return ret; +} +EXPORT_SYMBOL(ifxmips_request_timer); + +int ifxmips_free_timer(unsigned int timer) +{ + unsigned int flag; + unsigned int mask; + int n, X; + + if (!timer_dev.f_gptu_on) + return -EINVAL; + + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + mutex_lock(&timer_dev.gptu_mutex); + + flag = timer_dev.timer[timer - FIRST_TIMER].flag; + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + timer &= ~0x01; + + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } + + n = timer >> 1; + X = timer & 0x01; + + if (GPTU_CON_EN(n, X)) + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1); + + *IFXMIPS_GPTU_IRNEN &= ~GPTU_IRNEN_TC_SET(n, X, 1); + *IFXMIPS_GPTU_IRNCR |= GPTU_IRNCR_TC_SET(n, X, 1); + + if (timer_dev.timer[timer - FIRST_TIMER].f_irq_on) { + disable_irq(timer_dev.timer[timer - FIRST_TIMER].irq); + timer_dev.timer[timer - FIRST_TIMER].f_irq_on = 0; + } + + timer_dev.occupation &= ~mask; + if (!timer_dev.occupation && timer_dev.f_gptu_on) { + ifxmips_disable_gptu(); + timer_dev.f_gptu_on = 0; + } + + mutex_unlock(&timer_dev.gptu_mutex); + + return 0; +} +EXPORT_SYMBOL(ifxmips_free_timer); + +int ifxmips_start_timer(unsigned int timer, int is_resume) +{ + unsigned int flag; + unsigned int mask; + int n, X; + + if (!timer_dev.f_gptu_on) + return -EINVAL; + + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + mutex_lock(&timer_dev.gptu_mutex); + + flag = timer_dev.timer[timer - FIRST_TIMER].flag; + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + timer &= ~0x01; + + mask = (TIMER_FLAG_MASK_SIZE(flag) == + TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } + + n = timer >> 1; + X = timer & 0x01; + + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_RL_SET(!is_resume) | GPTU_RUN_SEN_SET(1); + + mutex_unlock(&timer_dev.gptu_mutex); + + return 0; +} +EXPORT_SYMBOL(ifxmips_start_timer); + +int ifxmips_stop_timer(unsigned int timer) +{ + unsigned int flag; + unsigned int mask; + int n, X; + + if (!timer_dev.f_gptu_on) + return -EINVAL; + + if (timer < FIRST_TIMER + || timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + mutex_lock(&timer_dev.gptu_mutex); + + flag = timer_dev.timer[timer - FIRST_TIMER].flag; + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + timer &= ~0x01; + + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } + + n = timer >> 1; + X = timer & 0x01; + + *IFXMIPS_GPTU_RUN(n, X) = GPTU_RUN_CEN_SET(1); + + mutex_unlock(&timer_dev.gptu_mutex); + + return 0; +} +EXPORT_SYMBOL(ifxmips_stop_timer); + +int ifxmips_reset_counter_flags(u32 timer, u32 flags) +{ + unsigned int oflag; + unsigned int mask, con_reg; + int n, X; + + if (!timer_dev.f_gptu_on) + return -EINVAL; + + if (timer < FIRST_TIMER || timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + mutex_lock(&timer_dev.gptu_mutex); + + oflag = timer_dev.timer[timer - FIRST_TIMER].flag; + if (TIMER_FLAG_MASK_SIZE(oflag) != TIMER_FLAG_16BIT) + timer &= ~0x01; + + mask = (TIMER_FLAG_MASK_SIZE(oflag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } + + switch (TIMER_FLAG_MASK_EDGE(flags)) { + default: + case TIMER_FLAG_NONE_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x00); + break; + case TIMER_FLAG_RISE_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x01); + break; + case TIMER_FLAG_FALL_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x02); + break; + case TIMER_FLAG_ANY_EDGE: + con_reg = GPTU_CON_EDGE_SET(0x03); + break; + } + if (TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER) + con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EXT_SET(1) : GPTU_CON_SRC_EXT_SET(0); + else + con_reg |= TIMER_FLAG_MASK_SRC(flags) == TIMER_FLAG_EXT_SRC ? GPTU_CON_SRC_EG_SET(1) : GPTU_CON_SRC_EG_SET(0); + con_reg |= TIMER_FLAG_MASK_SYNC(flags) == TIMER_FLAG_UNSYNC ? GPTU_CON_SYNC_SET(0) : GPTU_CON_SYNC_SET(1); + con_reg |= TIMER_FLAG_MASK_INVERT(flags) == TIMER_FLAG_REAL ? GPTU_CON_INV_SET(0) : GPTU_CON_INV_SET(1); + con_reg |= TIMER_FLAG_MASK_SIZE(flags) == TIMER_FLAG_16BIT ? GPTU_CON_EXT_SET(0) : GPTU_CON_EXT_SET(1); + con_reg |= TIMER_FLAG_MASK_STOP(flags) == TIMER_FLAG_ONCE ? GPTU_CON_STP_SET(1) : GPTU_CON_STP_SET(0); + con_reg |= TIMER_FLAG_MASK_TYPE(flags) == TIMER_FLAG_TIMER ? GPTU_CON_CNT_SET(0) : GPTU_CON_CNT_SET(1); + con_reg |= TIMER_FLAG_MASK_DIR(flags) == TIMER_FLAG_UP ? GPTU_CON_DIR_SET(1) : GPTU_CON_DIR_SET(0); + + timer_dev.timer[timer - FIRST_TIMER].flag = flags; + if (TIMER_FLAG_MASK_SIZE(flags) != TIMER_FLAG_16BIT) + timer_dev.timer[timer - FIRST_TIMER + 1].flag = flags; + + n = timer >> 1; + X = timer & 0x01; + + *IFXMIPS_GPTU_CON(n, X) = con_reg; + smp_wmb(); + printk(KERN_INFO "[%s]: counter%d oflags %#x, nflags %#x, GPTU_CON %#x\n", __func__, timer, oflag, flags, *IFXMIPS_GPTU_CON(n, X)); + mutex_unlock(&timer_dev.gptu_mutex); + return 0; +} +EXPORT_SYMBOL(ifxmips_reset_counter_flags); + +int ifxmips_get_count_value(unsigned int timer, unsigned long *value) +{ + unsigned int flag; + unsigned int mask; + int n, X; + + if (!timer_dev.f_gptu_on) + return -EINVAL; + + if (timer < FIRST_TIMER + || timer >= FIRST_TIMER + timer_dev.number_of_timers) + return -EINVAL; + + mutex_lock(&timer_dev.gptu_mutex); + + flag = timer_dev.timer[timer - FIRST_TIMER].flag; + if (TIMER_FLAG_MASK_SIZE(flag) != TIMER_FLAG_16BIT) + timer &= ~0x01; + + mask = (TIMER_FLAG_MASK_SIZE(flag) == TIMER_FLAG_16BIT ? 1 : 3) << timer; + if (((timer_dev.occupation & mask) ^ mask)) { + mutex_unlock(&timer_dev.gptu_mutex); + return -EINVAL; + } + + n = timer >> 1; + X = timer & 0x01; + + *value = *IFXMIPS_GPTU_COUNT(n, X); + + mutex_unlock(&timer_dev.gptu_mutex); + + return 0; +} +EXPORT_SYMBOL(ifxmips_get_count_value); + +u32 ifxmips_cal_divider(unsigned long freq) +{ + u64 module_freq, fpi = cgu_get_fpi_bus_clock(2); + u32 clock_divider = 1; + module_freq = fpi * 1000; + do_div(module_freq, clock_divider * freq); + return module_freq; +} +EXPORT_SYMBOL(ifxmips_cal_divider); + +int ifxmips_set_timer(unsigned int timer, unsigned int freq, int is_cyclic, + int is_ext_src, unsigned int handle_flag, unsigned long arg1, + unsigned long arg2) +{ + unsigned long divider; + unsigned int flag; + + divider = ifxmips_cal_divider(freq); + if (divider == 0) + return -EINVAL; + flag = ((divider & ~0xFFFF) ? TIMER_FLAG_32BIT : TIMER_FLAG_16BIT) + | (is_cyclic ? TIMER_FLAG_CYCLIC : TIMER_FLAG_ONCE) + | (is_ext_src ? TIMER_FLAG_EXT_SRC : TIMER_FLAG_INT_SRC) + | TIMER_FLAG_TIMER | TIMER_FLAG_DOWN + | TIMER_FLAG_MASK_HANDLE(handle_flag); + + printk(KERN_INFO "ifxmips_set_timer(%d, %d), divider = %lu\n", + timer, freq, divider); + return ifxmips_request_timer(timer, flag, divider, arg1, arg2); +} +EXPORT_SYMBOL(ifxmips_set_timer); + +int ifxmips_set_counter(unsigned int timer, unsigned int flag, u32 reload, + unsigned long arg1, unsigned long arg2) +{ + printk(KERN_INFO "ifxmips_set_counter(%d, %#x, %d)\n", timer, flag, reload); + return ifxmips_request_timer(timer, flag, reload, arg1, arg2); +} +EXPORT_SYMBOL(ifxmips_set_counter); + +static int gptu_ioctl(struct inode *inode, struct file *file, unsigned int cmd, + unsigned long arg) +{ + int ret; + struct gptu_ioctl_param param; + + if (!access_ok(VERIFY_READ, arg, sizeof(struct gptu_ioctl_param))) + return -EFAULT; + copy_from_user(¶m, (void *) arg, sizeof(param)); + + if ((((cmd == GPTU_REQUEST_TIMER || cmd == GPTU_SET_TIMER + || GPTU_SET_COUNTER) && param.timer < 2) + || cmd == GPTU_GET_COUNT_VALUE || cmd == GPTU_CALCULATE_DIVIDER) + && !access_ok(VERIFY_WRITE, arg, + sizeof(struct gptu_ioctl_param))) + return -EFAULT; + + switch (cmd) { + case GPTU_REQUEST_TIMER: + ret = ifxmips_request_timer(param.timer, param.flag, param.value, + (unsigned long) param.pid, + (unsigned long) param.sig); + if (ret > 0) { + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); + ret = 0; + } + break; + case GPTU_FREE_TIMER: + ret = ifxmips_free_timer(param.timer); + break; + case GPTU_START_TIMER: + ret = ifxmips_start_timer(param.timer, param.flag); + break; + case GPTU_STOP_TIMER: + ret = ifxmips_stop_timer(param.timer); + break; + case GPTU_GET_COUNT_VALUE: + ret = ifxmips_get_count_value(param.timer, ¶m.value); + if (!ret) + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + value, ¶m.value, + sizeof(param.value)); + break; + case GPTU_CALCULATE_DIVIDER: + param.value = ifxmips_cal_divider(param.value); + if (param.value == 0) + ret = -EINVAL; + else { + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + value, ¶m.value, + sizeof(param.value)); + ret = 0; + } + break; + case GPTU_SET_TIMER: + ret = ifxmips_set_timer(param.timer, param.value, + TIMER_FLAG_MASK_STOP(param.flag) != + TIMER_FLAG_ONCE ? 1 : 0, + TIMER_FLAG_MASK_SRC(param.flag) == + TIMER_FLAG_EXT_SRC ? 1 : 0, + TIMER_FLAG_MASK_HANDLE(param.flag) == + TIMER_FLAG_SIGNAL ? TIMER_FLAG_SIGNAL : + TIMER_FLAG_NO_HANDLE, + (unsigned long) param.pid, + (unsigned long) param.sig); + if (ret > 0) { + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); + ret = 0; + } + break; + case GPTU_SET_COUNTER: + ifxmips_set_counter(param.timer, param.flag, param.value, 0, 0); + if (ret > 0) { + copy_to_user(&((struct gptu_ioctl_param *) arg)-> + timer, &ret, sizeof(&ret)); + ret = 0; + } + break; + default: + ret = -ENOTTY; + } + + return ret; +} + +static int gptu_open(struct inode *inode, struct file *file) +{ + return 0; +} + +static int gptu_release(struct inode *inode, struct file *file) +{ + return 0; +} + +int __init ifxmips_gptu_init(void) +{ + int ret; + unsigned int i; + + ifxmips_w32(0, IFXMIPS_GPTU_IRNEN); + ifxmips_w32(0xfff, IFXMIPS_GPTU_IRNCR); + + memset(&timer_dev, 0, sizeof(timer_dev)); + mutex_init(&timer_dev.gptu_mutex); + + ifxmips_enable_gptu(); + timer_dev.number_of_timers = GPTU_ID_CFG * 2; + ifxmips_disable_gptu(); + if (timer_dev.number_of_timers > MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2) + timer_dev.number_of_timers = MAX_NUM_OF_32BIT_TIMER_BLOCKS * 2; + printk(KERN_INFO "gptu: totally %d 16-bit timers/counters\n", timer_dev.number_of_timers); + + ret = misc_register(&gptu_miscdev); + if (ret) { + printk(KERN_ERR "gptu: can't misc_register, get error %d\n", -ret); + return ret; + } else { + printk(KERN_INFO "gptu: misc_register on minor %d\n", gptu_miscdev.minor); + } + + for (i = 0; i < timer_dev.number_of_timers; i++) { + ret = request_irq(TIMER_INTERRUPT + i, timer_irq_handler, IRQF_TIMER, gptu_miscdev.name, &timer_dev.timer[i]); + if (ret) { + for (; i >= 0; i--) + free_irq(TIMER_INTERRUPT + i, &timer_dev.timer[i]); + misc_deregister(&gptu_miscdev); + printk(KERN_ERR "gptu: failed in requesting irq (%d), get error %d\n", i, -ret); + return ret; + } else { + timer_dev.timer[i].irq = TIMER_INTERRUPT + i; + disable_irq(timer_dev.timer[i].irq); + printk(KERN_INFO "gptu: succeeded to request irq %d\n", timer_dev.timer[i].irq); + } + } + + return 0; +} + +void __exit ifxmips_gptu_exit(void) +{ + unsigned int i; + + for (i = 0; i < timer_dev.number_of_timers; i++) { + if (timer_dev.timer[i].f_irq_on) + disable_irq(timer_dev.timer[i].irq); + free_irq(timer_dev.timer[i].irq, &timer_dev.timer[i]); + } + ifxmips_disable_gptu(); + misc_deregister(&gptu_miscdev); +} + +module_init(ifxmips_gptu_init); +module_exit(ifxmips_gptu_exit); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Kconfig b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Kconfig new file mode 100644 index 0000000000..f4a6a8a595 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Kconfig @@ -0,0 +1,29 @@ +if IFXMIPS_DANUBE + +config IFXMIPS_ARCAYDIAN_BRNBOOT + bool + default n + +menu "infineon SoC machine selection" + +config DANUBE_MACH_EASY50712 + bool "Easy50712" + default y + +config DANUBE_MACH_EASY4010 + bool "Easy4010" + default y + +config DANUBE_MACH_ARV4519 + bool "ARV4519" + default y + select DANUBE_ARCAYDIAN_BRNBOOT + +config DANUBE_MACH_ARV452 + bool "ARV452" + default y + select IFXMIPS_ARCAYDIAN_BRNBOOT + +endmenu + +endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Makefile b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Makefile new file mode 100644 index 0000000000..008aa2b52d --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/Makefile @@ -0,0 +1,5 @@ +obj-y := dma-core.o irq.o ebu.o setup.o devices.o cgu.o +obj-$(CONFIG_IFXMIPS_ARCAYDIAN_BRNBOOT) += arcaydian.o +obj-$(CONFIG_DANUBE_MACH_ARV452) += mach-arv452.o +obj-$(CONFIG_DANUBE_MACH_EASY50712) += mach-easy50712.o +obj-$(CONFIG_DANUBE_MACH_EASY4010) += mach-easy4010.o diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.c new file mode 100644 index 0000000000..aba5438e1b --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.c @@ -0,0 +1,47 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <ifxmips.h> +#include <ifxmips_prom.h> + +#include "arcaydian.h" + +static int ifxmips_brn = 1; + +int __init +ifxmips_find_brn_mac(unsigned char *ifxmips_ethaddr) +{ + unsigned char temp[8]; + memcpy_fromio(temp, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8); + if (!memcmp(temp, "BRN-BOOT", 8)) + { + memcpy_fromio(ifxmips_ethaddr, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + + 0x800000 - 0x10000 + 0x16), 6); + if (is_valid_ether_addr(ifxmips_ethaddr)) + return 1; + } else { + ifxmips_brn = 0; + } + return 0; +} + +int +ifxmips_has_brn_block(void) +{ + return ifxmips_brn; +} +EXPORT_SYMBOL(ifxmips_has_brn_block); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.h b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.h new file mode 100644 index 0000000000..a867cd0c4e --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/arcaydian.h @@ -0,0 +1,6 @@ +#ifndef _ARCAYDIAN_H__ +#define _ARCAYDIAN_H__ + +int __init ifxmips_find_brn_mac(unsigned char *ifxmips_ethaddr); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/board.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/board.c new file mode 100644 index 0000000000..e4a418b728 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/board.c @@ -0,0 +1,457 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ + +#include <linux/autoconf.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +#define MAX_BOARD_NAME_LEN 32 +#define MAX_IFXMIPS_DEVS 9 + +#define SYSTEM_DANUBE "Danube" +#define SYSTEM_DANUBE_CHIPID1 0x00129083 +#define SYSTEM_DANUBE_CHIPID2 0x0012B083 + +#define SYSTEM_TWINPASS "Twinpass" +#define SYSTEM_TWINPASS_CHIPID 0x0012D083 + +enum { + EASY50712, + EASY4010, + ARV4519, + ARV452, +}; + +extern int ifxmips_pci_external_clock; +extern int ifxmips_pci_req_mask; + +static unsigned int chiprev; +static int cmdline_mac; +char board_name[MAX_BOARD_NAME_LEN + 1] = { 0 }; + +struct ifxmips_board { + int type; + char name[32]; + unsigned int system_type; + struct platform_device **devs; + struct resource reset_resource; + struct resource gpiodev_resource; + struct gpio_led *ifxmips_leds; + struct gpio_led *gpio_leds; + int pci_external_clock; + int pci_req_mask; + int num_devs; +}; + +DEFINE_SPINLOCK(ebu_lock); +EXPORT_SYMBOL_GPL(ebu_lock); + +extern unsigned char ifxmips_ethaddr[6]; +static int ifxmips_brn; + +static struct gpio_led_platform_data ifxmips_led_data; + +static struct platform_device ifxmips_led = { + .id = 0, + .name = "ifxmips_led", + .dev = { + .platform_data = (void *) &ifxmips_led_data, + } +}; + +static struct platform_device ifxmips_gpio = { + .id = 0, + .name = "ifxmips_gpio", + .num_resources = 1, +}; + +static struct platform_device ifxmips_mii = { + .id = 0, + .name = "ifxmips_mii0", + .dev = { + .platform_data = ifxmips_ethaddr, + } +}; + +static struct platform_device ifxmips_wdt = { + .id = 0, + .name = "ifxmips_wdt", +}; + +static struct platform_device ifxmips_ebu = { + .id = 0, + .name = "ifxmips_ebu", +}; + +static struct resource ifxmips_mtd_resource = { + .start = IFXMIPS_FLASH_START, + .end = IFXMIPS_FLASH_START + IFXMIPS_FLASH_MAX - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ifxmips_mtd = { + .id = 0, + .name = "ifxmips_mtd", + .num_resources = 1, + .resource = &ifxmips_mtd_resource, +}; + +static struct platform_device ifxmips_gpio_dev = { + .name = "GPIODEV", + .id = -1, + .num_resources = 1, +}; + +#ifdef CONFIG_LEDS_GPIO +static struct gpio_led arv4519_gpio_leds[] = { + { .name = "ifx:green:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 7, .active_low = 1, }, + { .name = "ifx:green:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:green:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:internet", .gpio = 8, .active_low = 1, }, + { .name = "ifx:green:wlan", .gpio = 6, .active_low = 1, }, + { .name = "ifx:green:usbpwr", .gpio = 14, .active_low = 1, }, + { .name = "ifx:green:usb", .gpio = 19, .active_low = 1, }, +}; + +static struct gpio_led arv452_gpio_leds[] = { + { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 6, .active_low = 1, }, + { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, }, + { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, }, + { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, }, + { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, }, + { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, }, + { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, }, + { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, }, + { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, }, + { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, }, + { .name = "ifx:red:internet", .gpio = 41, .active_low = 1, }, +}; + +static struct gpio_led_platform_data ifxmips_gpio_led_data; + +static struct platform_device ifxmips_gpio_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = (void *) &ifxmips_gpio_led_data, + } +}; +#endif + +static struct resource dwc_usb_res[] = { + { + .name = "dwc3884_membase", + .flags = IORESOURCE_MEM, + .start = 0x1E101000, + .end = 0x1E101FFF + }, + { + .name = "dwc3884_irq", + .flags = IORESOURCE_IRQ, + .start = IFXMIPS_USB_INT, + } +}; + +static struct platform_device dwc_usb = +{ + .id = 0, + .name = "dwc3884-hcd", + .resource = dwc_usb_res, + .num_resources = ARRAY_SIZE(dwc_usb_res), +}; + +struct platform_device *easy50712_devs[] = { + &ifxmips_led, &ifxmips_gpio, &ifxmips_mii, + &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb +}; + +struct platform_device *easy4010_devs[] = { + &ifxmips_led, &ifxmips_gpio, &ifxmips_mii, + &ifxmips_mtd, &ifxmips_wdt, &ifxmips_gpio_dev, &dwc_usb +}; + +struct platform_device *arv5419_devs[] = { + &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, + &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb, +#ifdef CONFIG_LEDS_GPIO + &ifxmips_gpio_leds, +#endif +}; + +struct platform_device *arv452_devs[] = { + &ifxmips_gpio, &ifxmips_mii, &ifxmips_mtd, + &ifxmips_gpio_dev, &ifxmips_wdt, &dwc_usb, + &ifxmips_ebu, +#ifdef CONFIG_LEDS_GPIO + &ifxmips_gpio_leds, +#endif +}; + +static struct gpio_led easy50712_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static struct gpio_led easy4010_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static struct ifxmips_board boards[] = { + { + /* infineon eval kit */ + .type = EASY50712, + .name = "EASY50712", + .system_type = SYSTEM_DANUBE_CHIPID1, + .devs = easy50712_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 15,}, + .gpiodev_resource = { .name = "gpio", + .start = (1 << 0) | (1 << 1), + .end = (1 << 0) | (1 << 1)}, + .ifxmips_leds = easy50712_leds, + }, { + /* infineon eval kit */ + .type = EASY4010, + .name = "EASY4010", + .system_type = SYSTEM_TWINPASS_CHIPID, + .devs = easy4010_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 15}, + .gpiodev_resource = { .name = "gpio", + .start = (1 << 0) | (1 << 1), + .end = (1 << 0) | (1 << 1)}, + .ifxmips_leds = easy4010_leds, + }, { + /* arcaydian annex-a board used by thompson, airties, ... */ + .type = ARV4519, + .name = "ARV4519", + .system_type = SYSTEM_DANUBE_CHIPID2, + .devs = arv5419_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 14}, + .pci_external_clock = 1, +#ifdef CONFIG_LEDS_GPIO + .gpio_leds = arv4519_gpio_leds, +#endif + }, { + /* arcaydian annex-b board used by airties, arcor */ + .type = ARV452, + .name = "ARV452", + .system_type = SYSTEM_DANUBE_CHIPID2, + .devs = arv452_devs, + .reset_resource = {.name = "reset", .start = 1, .end = 14}, + .pci_external_clock = 1, +#ifdef CONFIG_LEDS_GPIO + .gpio_leds = arv452_gpio_leds, +#endif + }, +}; + +const char *get_system_type(void) +{ + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + + switch (chiprev) { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + return SYSTEM_DANUBE; + + case SYSTEM_TWINPASS_CHIPID: + return SYSTEM_TWINPASS; + } + + return BOARD_SYSTEM_TYPE; +} + +static int __init ifxmips_set_board_type(char *str) +{ + str = strchr(str, '='); + if (!str) + goto out; + str++; + if (strlen(str) > MAX_BOARD_NAME_LEN) + goto out; + strncpy(board_name, str, MAX_BOARD_NAME_LEN); + printk(KERN_INFO "bootloader told us, that this is a %s board\n", + board_name); +out: + return 1; +} +__setup("ifxmips_board", ifxmips_set_board_type); + +static int __init ifxmips_set_ethaddr(char *str) +{ +#define IS_HEX(x) \ + (((x >= '0' && x <= '9') || (x >= 'a' && x <= 'f') \ + || (x >= 'A' && x <= 'F')) ? (1) : (0)) + int i; + str = strchr(str, '='); + if (!str) + goto out; + str++; + if (strlen(str) != 17) + goto out; + for (i = 0; i < 6; i++) { + if (!IS_HEX(str[3 * i]) || !IS_HEX(str[(3 * i) + 1])) + goto out; + if ((i != 5) && (str[(3 * i) + 2] != ':')) + goto out; + ifxmips_ethaddr[i] = simple_strtoul(&str[3 * i], NULL, 16); + } + if (is_valid_ether_addr(ifxmips_ethaddr)) + cmdline_mac = 1; +out: + return 1; +} +__setup("ethaddr", ifxmips_set_ethaddr); + +int ifxmips_find_brn_block(void) +{ + unsigned char temp[8]; + memcpy_fromio(temp, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + 0x800000 - 0x10000), 8); + if (memcmp(temp, "BRN-BOOT", 8) == 0) { + if (!cmdline_mac) + memcpy_fromio(ifxmips_ethaddr, + (void *)KSEG1ADDR(IFXMIPS_FLASH_START + + 0x800000 - 0x10000 + 0x16), 6); + if (is_valid_ether_addr(ifxmips_ethaddr)) + cmdline_mac = 1; + return 1; + } else { + return 0; + } +} + +int ifxmips_has_brn_block(void) +{ + return ifxmips_brn; +} +EXPORT_SYMBOL(ifxmips_has_brn_block); + +struct ifxmips_board *ifxmips_find_board(void) +{ + int i; + if (!*board_name) + return 0; + for (i = 0; i < ARRAY_SIZE(boards); i++) + if ((boards[i].system_type == chiprev) && + (!strcmp(boards[i].name, board_name))) + return &boards[i]; + return 0; +} + +int __init ifxmips_init_devices(void) +{ + struct ifxmips_board *board; + + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + board = ifxmips_find_board(); + ifxmips_brn = ifxmips_find_brn_block(); + + if (!cmdline_mac) + random_ether_addr(ifxmips_ethaddr); + + if (!board) { + switch (chiprev) { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + default: + board = &boards[0]; + break; + case SYSTEM_TWINPASS_CHIPID: + board = &boards[1]; + break; + } + } + + switch (board->type) { + case EASY50712: + board->num_devs = ARRAY_SIZE(easy50712_devs); + ifxmips_led_data.num_leds = ARRAY_SIZE(easy50712_leds); + break; + case EASY4010: + board->num_devs = ARRAY_SIZE(easy4010_devs); + ifxmips_led_data.num_leds = ARRAY_SIZE(easy4010_leds); + break; + case ARV4519: + /* set some sane defaults for the gpios */ + gpio_set_value(3, 0); + gpio_set_value(4, 0); + gpio_set_value(5, 0); + gpio_set_value(6, 0); + gpio_set_value(7, 1); + gpio_set_value(8, 1); + gpio_set_value(19, 0); + board->num_devs = ARRAY_SIZE(arv5419_devs); +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv4519_gpio_leds); +#endif + break; + case ARV452: + /* set some sane defaults for the gpios */ + board->num_devs = ARRAY_SIZE(arv452_devs); + ifxmips_w32(0x8001e7ff, IFXMIPS_EBU_BUSCON1); +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.num_leds = ARRAY_SIZE(arv452_gpio_leds); +#endif + break; + } +#ifdef CONFIG_LEDS_GPIO + ifxmips_gpio_led_data.leds = board->gpio_leds; +#endif + ifxmips_led_data.leds = board->ifxmips_leds; + + printk(KERN_INFO "%s: adding %d devs\n", + __func__, board->num_devs); + + ifxmips_gpio.resource = &board->reset_resource; + ifxmips_gpio_dev.resource = &board->gpiodev_resource; + if (board->pci_external_clock) + ifxmips_pci_external_clock = 1; + if (board->pci_req_mask) + ifxmips_pci_req_mask = board->pci_req_mask; + printk(KERN_INFO "using board definition %s\n", board->name); + return platform_add_devices(board->devs, board->num_devs); +} + +arch_initcall(ifxmips_init_devices); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/cgu.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/cgu.c new file mode 100644 index 0000000000..d69d2f0bf6 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/cgu.c @@ -0,0 +1,38 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/init.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> +#include <linux/errno.h> + +#include <asm/irq.h> +#include <asm/div64.h> + +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +void +cgu_setup_pci_clk(int external_clock) +{ + /* set clock to 33Mhz */ + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000, + IFXMIPS_CGU_IFCCR); + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000, + IFXMIPS_CGU_IFCCR); + if (external_clock) + { + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16), + IFXMIPS_CGU_IFCCR); + ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR); + } else { + ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16), + IFXMIPS_CGU_IFCCR); + ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR); + } +} + + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.c new file mode 100644 index 0000000000..dbcac556df --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.c @@ -0,0 +1,104 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/string.h> +#include <linux/mtd/physmap.h> +#include <linux/kernel.h> +#include <linux/reboot.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/etherdevice.h> +#include <linux/reboot.h> +#include <linux/time.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/leds.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +/* usb */ +static struct resource dwc_usb_res[] = +{ + { + .name = "dwc3884_membase", + .flags = IORESOURCE_MEM, + .start = 0x1E101000, + .end = 0x1E101FFF + }, + { + .name = "dwc3884_irq", + .flags = IORESOURCE_IRQ, + .start = IFXMIPS_USB_INT, + } +}; + +static struct platform_device dwc_usb = +{ + .name = "dwc3884-hcd", + .resource = dwc_usb_res, + .num_resources = ARRAY_SIZE(dwc_usb_res), +}; + +void __init +danube_register_usb(void) +{ + platform_device_register(&dwc_usb); +} + +/* ebu gpio */ +static struct platform_device ifxmips_ebu_gpio = +{ + .name = "ifxmips_ebu", + .num_resources = 1, +}; + +void __init +danube_register_ebu_gpio(struct resource *resource, u32 value) +{ + ifxmips_ebu_gpio.resource = resource; + ifxmips_ebu_gpio.dev.platform_data = (void*)value; + platform_device_register(&ifxmips_ebu_gpio); +} + +/* ethernet */ +unsigned char ifxmips_ethaddr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; +static struct resource danube_ethernet_resources = +{ + .start = IFXMIPS_PPE32_BASE_ADDR, + .end = IFXMIPS_PPE32_BASE_ADDR + IFXMIPS_PPE32_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device danube_ethernet = +{ + .name = "ifxmips_mii0", + .resource = &danube_ethernet_resources, + .num_resources = 1, + .dev = { + .platform_data = ifxmips_ethaddr, + } +}; + +void __init +danube_register_ethernet(unsigned char *mac) +{ + if(mac) + danube_ethernet.dev.platform_data = mac; + platform_device_register(&danube_ethernet); +} + +/* pci */ +extern int ifxmips_pci_external_clock; +extern int ifxmips_pci_req_mask; + +void __init +danube_register_pci(int clock, int irq_mask) +{ + ifxmips_pci_external_clock = clock; + if(irq_mask) + ifxmips_pci_req_mask = irq_mask; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.h b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.h new file mode 100644 index 0000000000..75201a2ece --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/devices.h @@ -0,0 +1,16 @@ +#ifndef _DANUBE_DEVICES_H__ +#define _DANUBE_DEVICES_H__ + +#include "../common/devices.h" + +enum { + PCI_CLOCK_INT = 0, + PCI_CLOCK_EXT +}; + +void __init danube_register_usb(void); +void __init danube_register_ebu_gpio(struct resource *resource, u32 value); +void __init danube_register_ethernet(unsigned char *mac); +void __init danube_register_pci(int clock, int irq_mask); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/dma-core.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/dma-core.c new file mode 100644 index 0000000000..084b2839a7 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/dma-core.c @@ -0,0 +1,690 @@ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> +#include <linux/fs.h> +#include <linux/errno.h> +#include <linux/stat.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/selection.h> +#include <linux/kmod.h> +#include <linux/vmalloc.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/uaccess.h> +#include <linux/errno.h> +#include <linux/io.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_dma.h> +#include <ifxmips_pmu.h> + +/*25 descriptors for each dma channel,4096/8/20=25.xx*/ +#define IFXMIPS_DMA_DESCRIPTOR_OFFSET 25 + +#define MAX_DMA_DEVICE_NUM 6 /*max ports connecting to dma */ +#define MAX_DMA_CHANNEL_NUM 20 /*max dma channels */ +#define DMA_INT_BUDGET 100 /*budget for interrupt handling */ +#define DMA_POLL_COUNTER 4 /*fix me, set the correct counter value here! */ + +extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr); +extern void ifxmips_enable_irq(unsigned int irq_nr); +extern void ifxmips_disable_irq(unsigned int irq_nr); + +u64 *g_desc_list; +struct dma_device_info dma_devs[MAX_DMA_DEVICE_NUM]; +struct dma_channel_info dma_chan[MAX_DMA_CHANNEL_NUM]; + +static const char *global_device_name[MAX_DMA_DEVICE_NUM] = + { "PPE", "DEU", "SPI", "SDIO", "MCTRL0", "MCTRL1" }; + +struct dma_chan_map default_dma_map[MAX_DMA_CHANNEL_NUM] = { + {"PPE", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH0_INT, 0}, + {"PPE", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH1_INT, 0}, + {"PPE", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH2_INT, 1}, + {"PPE", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH3_INT, 1}, + {"PPE", IFXMIPS_DMA_RX, 2, IFXMIPS_DMA_CH4_INT, 2}, + {"PPE", IFXMIPS_DMA_TX, 2, IFXMIPS_DMA_CH5_INT, 2}, + {"PPE", IFXMIPS_DMA_RX, 3, IFXMIPS_DMA_CH6_INT, 3}, + {"PPE", IFXMIPS_DMA_TX, 3, IFXMIPS_DMA_CH7_INT, 3}, + {"DEU", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH8_INT, 0}, + {"DEU", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH9_INT, 0}, + {"DEU", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH10_INT, 1}, + {"DEU", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH11_INT, 1}, + {"SPI", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH12_INT, 0}, + {"SPI", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH13_INT, 0}, + {"SDIO", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH14_INT, 0}, + {"SDIO", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH15_INT, 0}, + {"MCTRL0", IFXMIPS_DMA_RX, 0, IFXMIPS_DMA_CH16_INT, 0}, + {"MCTRL0", IFXMIPS_DMA_TX, 0, IFXMIPS_DMA_CH17_INT, 0}, + {"MCTRL1", IFXMIPS_DMA_RX, 1, IFXMIPS_DMA_CH18_INT, 1}, + {"MCTRL1", IFXMIPS_DMA_TX, 1, IFXMIPS_DMA_CH19_INT, 1} +}; + +struct dma_chan_map *chan_map = default_dma_map; +volatile u32 g_ifxmips_dma_int_status; +volatile int g_ifxmips_dma_in_process; /* 0=not in process, 1=in process */ + +void do_dma_tasklet(unsigned long); +DECLARE_TASKLET(dma_tasklet, do_dma_tasklet, 0); + +u8 *common_buffer_alloc(int len, int *byte_offset, void **opt) +{ + u8 *buffer = kmalloc(len * sizeof(u8), GFP_KERNEL); + + *byte_offset = 0; + + return buffer; +} + +void common_buffer_free(u8 *dataptr, void *opt) +{ + kfree(dataptr); +} + +void enable_ch_irq(struct dma_channel_info *pCh) +{ + int chan_no = (int)(pCh - dma_chan); + unsigned long flag; + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0x4a, IFXMIPS_DMA_CIE); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + local_irq_restore(flag); + ifxmips_enable_irq(pCh->irq); +} + +void disable_ch_irq(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int) (pCh - dma_chan); + + local_irq_save(flag); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0, IFXMIPS_DMA_CIE); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); + local_irq_restore(flag); + ifxmips_mask_and_ack_irq(pCh->irq); +} + +void open_chan(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int)(pCh - dma_chan); + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 1, IFXMIPS_DMA_CCTRL); + if (pCh->dir == IFXMIPS_DMA_RX) + enable_ch_irq(pCh); + local_irq_restore(flag); +} + +void close_chan(struct dma_channel_info *pCh) +{ + unsigned long flag; + int chan_no = (int) (pCh - dma_chan); + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + disable_ch_irq(pCh); + local_irq_restore(flag); +} + +void reset_chan(struct dma_channel_info *pCh) +{ + int chan_no = (int) (pCh - dma_chan); + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); +} + +void rx_chan_intr_handler(int chan_no) +{ + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; + struct rx_desc *rx_desc_p; + int tmp; + unsigned long flag; + + /*handle command complete interrupt */ + rx_desc_p = (struct rx_desc *)pCh->desc_base + pCh->curr_desc; + if (rx_desc_p->status.field.OWN == CPU_OWN + && rx_desc_p->status.field.C + && rx_desc_p->status.field.data_length < 1536){ + /* Every thing is correct, then we inform the upper layer */ + pDev->current_rx_chan = pCh->rel_chan_no; + if (pDev->intr_handler) + pDev->intr_handler(pDev, RCV_INT); + pCh->weight--; + } else { + local_irq_save(flag); + tmp = ifxmips_r32(IFXMIPS_DMA_CS); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS); + ifxmips_w32(tmp, IFXMIPS_DMA_CS); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + local_irq_restore(flag); + ifxmips_enable_irq(dma_chan[chan_no].irq); + } +} + +inline void tx_chan_intr_handler(int chan_no) +{ + struct dma_device_info *pDev = (struct dma_device_info *)dma_chan[chan_no].dma_dev; + struct dma_channel_info *pCh = &dma_chan[chan_no]; + int tmp; + unsigned long flag; + + local_irq_save(flag); + tmp = ifxmips_r32(IFXMIPS_DMA_CS); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CIS) | 0x7e, IFXMIPS_DMA_CIS); + ifxmips_w32(tmp, IFXMIPS_DMA_CS); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + local_irq_restore(flag); + pDev->current_tx_chan = pCh->rel_chan_no; + if (pDev->intr_handler) + pDev->intr_handler(pDev, TRANSMIT_CPT_INT); +} + +void do_dma_tasklet(unsigned long unused) +{ + int i; + int chan_no = 0; + int budget = DMA_INT_BUDGET; + int weight = 0; + unsigned long flag; + + while (g_ifxmips_dma_int_status) { + if (budget-- < 0) { + tasklet_schedule(&dma_tasklet); + return; + } + chan_no = -1; + weight = 0; + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + if ((g_ifxmips_dma_int_status & (1 << i)) && dma_chan[i].weight > 0) { + if (dma_chan[i].weight > weight) { + chan_no = i; + weight = dma_chan[chan_no].weight; + } + } + } + + if (chan_no >= 0) { + if (chan_map[chan_no].dir == IFXMIPS_DMA_RX) + rx_chan_intr_handler(chan_no); + else + tx_chan_intr_handler(chan_no); + } else { + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) + dma_chan[i].weight = dma_chan[i].default_weight; + } + } + + local_irq_save(flag); + g_ifxmips_dma_in_process = 0; + if (g_ifxmips_dma_int_status) { + g_ifxmips_dma_in_process = 1; + tasklet_schedule(&dma_tasklet); + } + local_irq_restore(flag); +} + +irqreturn_t dma_interrupt(int irq, void *dev_id) +{ + struct dma_channel_info *pCh; + int chan_no = 0; + int tmp; + + pCh = (struct dma_channel_info *)dev_id; + chan_no = (int)(pCh - dma_chan); + if (chan_no < 0 || chan_no > 19) + BUG(); + + tmp = ifxmips_r32(IFXMIPS_DMA_IRNEN); + ifxmips_w32(0, IFXMIPS_DMA_IRNEN); + g_ifxmips_dma_int_status |= 1 << chan_no; + ifxmips_w32(tmp, IFXMIPS_DMA_IRNEN); + ifxmips_mask_and_ack_irq(irq); + + if (!g_ifxmips_dma_in_process) { + g_ifxmips_dma_in_process = 1; + tasklet_schedule(&dma_tasklet); + } + + return IRQ_HANDLED; +} + +struct dma_device_info *dma_device_reserve(char *dev_name) +{ + int i; + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) { + if (strcmp(dev_name, dma_devs[i].device_name) == 0) { + if (dma_devs[i].reserved) + return NULL; + dma_devs[i].reserved = 1; + break; + } + } + + return &dma_devs[i]; +} +EXPORT_SYMBOL(dma_device_reserve); + +void dma_device_release(struct dma_device_info *dev) +{ + dev->reserved = 0; +} +EXPORT_SYMBOL(dma_device_release); + +void dma_device_register(struct dma_device_info *dev) +{ + int i, j; + int chan_no = 0; + u8 *buffer; + int byte_offset; + unsigned long flag; + struct dma_device_info *pDev; + struct dma_channel_info *pCh; + struct rx_desc *rx_desc_p; + struct tx_desc *tx_desc_p; + + for (i = 0; i < dev->max_tx_chan_num; i++) { + pCh = dev->tx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(pCh - dma_chan); + for (j = 0; j < pCh->desc_len; j++) { + tx_desc_p = (struct tx_desc *)pCh->desc_base + j; + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + } + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + /* check if the descriptor length is changed */ + if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len) + ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN); + + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2) + ; + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + ifxmips_w32(0x30100, IFXMIPS_DMA_CCTRL); /* reset and enable channel,enable channel later */ + local_irq_restore(flag); + } + } + + for (i = 0; i < dev->max_rx_chan_num; i++) { + pCh = dev->rx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(pCh - dma_chan); + + for (j = 0; j < pCh->desc_len; j++) { + rx_desc_p = (struct rx_desc *)pCh->desc_base + j; + pDev = (struct dma_device_info *)(pCh->dma_dev); + buffer = pDev->buffer_alloc(pCh->packet_size, &byte_offset, (void *)&(pCh->opt[j])); + if (!buffer) + break; + + dma_cache_inv((unsigned long) buffer, pCh->packet_size); + + rx_desc_p->Data_Pointer = (u32)CPHYSADDR((u32)buffer); + rx_desc_p->status.word = 0; + rx_desc_p->status.field.byte_offset = byte_offset; + rx_desc_p->status.field.OWN = DMA_OWN; + rx_desc_p->status.field.data_length = pCh->packet_size; + } + + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + /* check if the descriptor length is changed */ + if (ifxmips_r32(IFXMIPS_DMA_CDLEN) != pCh->desc_len) + ifxmips_w32(pCh->desc_len, IFXMIPS_DMA_CDLEN); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) | 2, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 2) + ; + ifxmips_w32(0x0a, IFXMIPS_DMA_CIE); /* fix me, should enable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) | (1 << chan_no), IFXMIPS_DMA_IRNEN); + ifxmips_w32(0x30000, IFXMIPS_DMA_CCTRL); + local_irq_restore(flag); + ifxmips_enable_irq(dma_chan[chan_no].irq); + } + } +} +EXPORT_SYMBOL(dma_device_register); + +void dma_device_unregister(struct dma_device_info *dev) +{ + int i, j; + int chan_no; + struct dma_channel_info *pCh; + struct rx_desc *rx_desc_p; + struct tx_desc *tx_desc_p; + unsigned long flag; + + for (i = 0; i < dev->max_tx_chan_num; i++) { + pCh = dev->tx_chan[i]; + if (pCh->control == IFXMIPS_DMA_CH_ON) { + chan_no = (int)(dev->tx_chan[i] - dma_chan); + local_irq_save(flag); + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + pCh->curr_desc = 0; + pCh->prev_desc = 0; + pCh->control = IFXMIPS_DMA_CH_OFF; + ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1) + ; + local_irq_restore(flag); + + for (j = 0; j < pCh->desc_len; j++) { + tx_desc_p = (struct tx_desc *)pCh->desc_base + j; + if ((tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) + || (tx_desc_p->status.field.OWN == DMA_OWN && tx_desc_p->status.field.data_length > 0)) { + dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), (void *)pCh->opt[j]); + } + tx_desc_p->status.field.OWN = CPU_OWN; + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + } + /* TODO should free buffer that is not transferred by dma */ + } + } + + for (i = 0; i < dev->max_rx_chan_num; i++) { + pCh = dev->rx_chan[i]; + chan_no = (int)(dev->rx_chan[i] - dma_chan); + ifxmips_disable_irq(pCh->irq); + + local_irq_save(flag); + g_ifxmips_dma_int_status &= ~(1 << chan_no); + pCh->curr_desc = 0; + pCh->prev_desc = 0; + pCh->control = IFXMIPS_DMA_CH_OFF; + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + ifxmips_w32(0, IFXMIPS_DMA_CIE); /* fix me, should disable all the interrupts here? */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_IRNEN) & ~(1 << chan_no), IFXMIPS_DMA_IRNEN); /* disable interrupts */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~1, IFXMIPS_DMA_CCTRL); + while (ifxmips_r32(IFXMIPS_DMA_CCTRL) & 1) + ; + + local_irq_restore(flag); + for (j = 0; j < pCh->desc_len; j++) { + rx_desc_p = (struct rx_desc *) pCh->desc_base + j; + if ((rx_desc_p->status.field.OWN == CPU_OWN + && rx_desc_p->status.field.C) + || (rx_desc_p->status.field.OWN == DMA_OWN + && rx_desc_p->status.field.data_length > 0)) { + dev->buffer_free((u8 *) + __va(rx_desc_p->Data_Pointer), + (void *) pCh->opt[j]); + } + } + } +} +EXPORT_SYMBOL(dma_device_unregister); + +int dma_device_read(struct dma_device_info *dma_dev, u8 **dataptr, void **opt) +{ + u8 *buf; + int len; + int byte_offset = 0; + void *p = NULL; + struct dma_channel_info *pCh = dma_dev->rx_chan[dma_dev->current_rx_chan]; + struct rx_desc *rx_desc_p; + + /* get the rx data first */ + rx_desc_p = (struct rx_desc *) pCh->desc_base + pCh->curr_desc; + if (!(rx_desc_p->status.field.OWN == CPU_OWN && rx_desc_p->status.field.C)) + return 0; + + buf = (u8 *) __va(rx_desc_p->Data_Pointer); + *(u32 *)dataptr = (u32)buf; + len = rx_desc_p->status.field.data_length; + + if (opt) + *(int *)opt = (int)pCh->opt[pCh->curr_desc]; + + /* replace with a new allocated buffer */ + buf = dma_dev->buffer_alloc(pCh->packet_size, &byte_offset, &p); + + if (buf) { + dma_cache_inv((unsigned long) buf, pCh->packet_size); + pCh->opt[pCh->curr_desc] = p; + wmb(); + + rx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) buf); + rx_desc_p->status.word = (DMA_OWN << 31) | ((byte_offset) << 23) | pCh->packet_size; + wmb(); + } else { + *(u32 *) dataptr = 0; + if (opt) + *(int *) opt = 0; + len = 0; + } + + /* increase the curr_desc pointer */ + pCh->curr_desc++; + if (pCh->curr_desc == pCh->desc_len) + pCh->curr_desc = 0; + + return len; +} +EXPORT_SYMBOL(dma_device_read); + +int dma_device_write(struct dma_device_info *dma_dev, u8 *dataptr, int len, void *opt) +{ + unsigned long flag; + u32 tmp, byte_offset; + struct dma_channel_info *pCh; + int chan_no; + struct tx_desc *tx_desc_p; + local_irq_save(flag); + + pCh = dma_dev->tx_chan[dma_dev->current_tx_chan]; + chan_no = (int)(pCh - (struct dma_channel_info *) dma_chan); + + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc; + while (tx_desc_p->status.field.OWN == CPU_OWN && tx_desc_p->status.field.C) { + dma_dev->buffer_free((u8 *) __va(tx_desc_p->Data_Pointer), pCh->opt[pCh->prev_desc]); + memset(tx_desc_p, 0, sizeof(struct tx_desc)); + pCh->prev_desc = (pCh->prev_desc + 1) % (pCh->desc_len); + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->prev_desc; + } + tx_desc_p = (struct tx_desc *)pCh->desc_base + pCh->curr_desc; + /* Check whether this descriptor is available */ + if (tx_desc_p->status.field.OWN == DMA_OWN || tx_desc_p->status.field.C) { + /* if not, the tell the upper layer device */ + dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT); + local_irq_restore(flag); + printk(KERN_INFO "%s %d: failed to write!\n", __func__, __LINE__); + + return 0; + } + pCh->opt[pCh->curr_desc] = opt; + /* byte offset----to adjust the starting address of the data buffer, should be multiple of the burst length. */ + byte_offset = ((u32) CPHYSADDR((u32) dataptr)) % ((dma_dev->tx_burst_len) * 4); + dma_cache_wback((unsigned long) dataptr, len); + wmb(); + tx_desc_p->Data_Pointer = (u32) CPHYSADDR((u32) dataptr) - byte_offset; + wmb(); + tx_desc_p->status.word = (DMA_OWN << 31) | DMA_DESC_SOP_SET | DMA_DESC_EOP_SET | ((byte_offset) << 23) | len; + wmb(); + + pCh->curr_desc++; + if (pCh->curr_desc == pCh->desc_len) + pCh->curr_desc = 0; + + /*Check whether this descriptor is available */ + tx_desc_p = (struct tx_desc *) pCh->desc_base + pCh->curr_desc; + if (tx_desc_p->status.field.OWN == DMA_OWN) { + /*if not , the tell the upper layer device */ + dma_dev->intr_handler (dma_dev, TX_BUF_FULL_INT); + } + + ifxmips_w32(chan_no, IFXMIPS_DMA_CS); + tmp = ifxmips_r32(IFXMIPS_DMA_CCTRL); + + if (!(tmp & 1)) + pCh->open(pCh); + + local_irq_restore(flag); + + return len; +} +EXPORT_SYMBOL(dma_device_write); + +int map_dma_chan(struct dma_chan_map *map) +{ + int i, j; + int result; + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) + strcpy(dma_devs[i].device_name, global_device_name[i]); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + dma_chan[i].irq = map[i].irq; + result = request_irq(dma_chan[i].irq, dma_interrupt, IRQF_DISABLED, map[i].dev_name, (void *)&dma_chan[i]); + if (result) { + printk(KERN_WARNING "error, cannot get dma_irq!\n"); + free_irq(dma_chan[i].irq, (void *) &dma_interrupt); + + return -EFAULT; + } + } + + for (i = 0; i < MAX_DMA_DEVICE_NUM; i++) { + dma_devs[i].num_tx_chan = 0; /*set default tx channel number to be one */ + dma_devs[i].num_rx_chan = 0; /*set default rx channel number to be one */ + dma_devs[i].max_rx_chan_num = 0; + dma_devs[i].max_tx_chan_num = 0; + dma_devs[i].buffer_alloc = &common_buffer_alloc; + dma_devs[i].buffer_free = &common_buffer_free; + dma_devs[i].intr_handler = NULL; + dma_devs[i].tx_burst_len = 4; + dma_devs[i].rx_burst_len = 4; + if (i == 0) { + ifxmips_w32(0, IFXMIPS_DMA_PS); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_PCTRL) | ((0xf << 8) | (1 << 6)), IFXMIPS_DMA_PCTRL); /*enable dma drop */ + } + + if (i == 1) { + ifxmips_w32(1, IFXMIPS_DMA_PS); + ifxmips_w32(0x14, IFXMIPS_DMA_PCTRL); /*deu port setting */ + } + + for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) { + dma_chan[j].byte_offset = 0; + dma_chan[j].open = &open_chan; + dma_chan[j].close = &close_chan; + dma_chan[j].reset = &reset_chan; + dma_chan[j].enable_irq = &enable_ch_irq; + dma_chan[j].disable_irq = &disable_ch_irq; + dma_chan[j].rel_chan_no = map[j].rel_chan_no; + dma_chan[j].control = IFXMIPS_DMA_CH_OFF; + dma_chan[j].default_weight = IFXMIPS_DMA_CH_DEFAULT_WEIGHT; + dma_chan[j].weight = dma_chan[j].default_weight; + dma_chan[j].curr_desc = 0; + dma_chan[j].prev_desc = 0; + } + + for (j = 0; j < MAX_DMA_CHANNEL_NUM; j++) { + if (strcmp(dma_devs[i].device_name, map[j].dev_name) == 0) { + if (map[j].dir == IFXMIPS_DMA_RX) { + dma_chan[j].dir = IFXMIPS_DMA_RX; + dma_devs[i].max_rx_chan_num++; + dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1] = &dma_chan[j]; + dma_devs[i].rx_chan[dma_devs[i].max_rx_chan_num - 1]->pri = map[j].pri; + dma_chan[j].dma_dev = (void *)&dma_devs[i]; + } else if (map[j].dir == IFXMIPS_DMA_TX) { + /*TX direction */ + dma_chan[j].dir = IFXMIPS_DMA_TX; + dma_devs[i].max_tx_chan_num++; + dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1] = &dma_chan[j]; + dma_devs[i].tx_chan[dma_devs[i].max_tx_chan_num - 1]->pri = map[j].pri; + dma_chan[j].dma_dev = (void *)&dma_devs[i]; + } else { + printk(KERN_WARNING "WRONG DMA MAP!\n"); + } + } + } + } + + return 0; +} + +void dma_chip_init(void) +{ + int i; + + /* enable DMA from PMU */ + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA); + + /* reset DMA */ + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CTRL) | 1, IFXMIPS_DMA_CTRL); + + /* disable all interrupts */ + ifxmips_w32(0, IFXMIPS_DMA_IRNEN); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + ifxmips_w32(i, IFXMIPS_DMA_CS); + ifxmips_w32(0x2, IFXMIPS_DMA_CCTRL); + ifxmips_w32(0x80000040, IFXMIPS_DMA_CPOLL); + ifxmips_w32(ifxmips_r32(IFXMIPS_DMA_CCTRL) & ~0x1, IFXMIPS_DMA_CCTRL); + } +} + +int ifxmips_dma_init(void) +{ + int i; + + dma_chip_init(); + if (map_dma_chan(default_dma_map)) + BUG(); + + g_desc_list = (u64 *)KSEG1ADDR(__get_free_page(GFP_DMA)); + + if (g_desc_list == NULL) { + printk(KERN_WARNING "no memory for desriptor\n"); + return -ENOMEM; + } + + memset(g_desc_list, 0, PAGE_SIZE); + + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) { + dma_chan[i].desc_base = (u32)g_desc_list + i * IFXMIPS_DMA_DESCRIPTOR_OFFSET * 8; + dma_chan[i].curr_desc = 0; + dma_chan[i].desc_len = IFXMIPS_DMA_DESCRIPTOR_OFFSET; + + ifxmips_w32(i, IFXMIPS_DMA_CS); + ifxmips_w32((u32)CPHYSADDR(dma_chan[i].desc_base), IFXMIPS_DMA_CDBA); + ifxmips_w32(dma_chan[i].desc_len, IFXMIPS_DMA_CDLEN); + } + + return 0; +} + +arch_initcall(ifxmips_dma_init); + +void dma_cleanup(void) +{ + int i; + + free_page(KSEG0ADDR((unsigned long) g_desc_list)); + for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++) + free_irq(dma_chan[i].irq, (void *)&dma_interrupt); +} + +MODULE_LICENSE("GPL"); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/ebu.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/ebu.c new file mode 100644 index 0000000000..06c7b3c00f --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/ebu.c @@ -0,0 +1,96 @@ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/platform_device.h> +#include <linux/mutex.h> +#include <linux/gpio.h> + +#include <ifxmips.h> +#include <ifxmips_ebu.h> + +#define IFXMIPS_EBU_BUSCON 0x1e7ff +#define IFXMIPS_EBU_WP 0x80000000 + +static int shadow = 0; +static void __iomem *virt; + +static int +ifxmips_ebu_direction_output(struct gpio_chip *chip, unsigned offset, int value) +{ + return 0; +} + +static void +ifxmips_ebu_set(struct gpio_chip *chip, unsigned offset, int value) +{ + unsigned long flags; + if(value) + shadow |= (1 << offset); + else + shadow &= ~(1 << offset); + spin_lock_irqsave(&ebu_lock, flags); + ifxmips_w32(IFXMIPS_EBU_BUSCON, IFXMIPS_EBU_BUSCON1); + *((__u16*)virt) = shadow; + ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1); + spin_unlock_irqrestore(&ebu_lock, flags); +} + +static struct gpio_chip +ifxmips_ebu_chip = +{ + .label = "ifxmips_ebu", + .direction_output = ifxmips_ebu_direction_output, + .set = ifxmips_ebu_set, + .base = 32, + .ngpio = 16, + .can_sleep = 1, + .owner = THIS_MODULE, +}; + +static int __devinit +ifxmips_ebu_probe(struct platform_device *pdev) +{ + ifxmips_w32(pdev->resource->start | 0x1, IFXMIPS_EBU_ADDRSEL1); + ifxmips_w32(IFXMIPS_EBU_BUSCON | IFXMIPS_EBU_WP, IFXMIPS_EBU_BUSCON1); + virt = ioremap_nocache(pdev->resource->start, pdev->resource->end); + if(gpiochip_add(&ifxmips_ebu_chip)) + return -EINVAL; + shadow = (int) pdev->dev.platform_data; + printk("IFXMIPS: ebu-gpio loaded\n"); + return 0; +} + +static int +ifxmips_ebu_remove(struct platform_device *dev) +{ + return gpiochip_remove(&ifxmips_ebu_chip); +} + +static struct platform_driver +ifxmips_ebu_driver = { + .probe = ifxmips_ebu_probe, + .remove = ifxmips_ebu_remove, + .driver = { + .name = "ifxmips_ebu", + .owner = THIS_MODULE, + }, +}; + +static int __init +ifxmips_ebu_init(void) +{ + return platform_driver_register(&ifxmips_ebu_driver); +} + +static void __exit +ifxmips_ebu_exit(void) +{ + platform_driver_unregister(&ifxmips_ebu_driver); +} + +module_init(ifxmips_ebu_init); +module_exit(ifxmips_ebu_exit); + +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("ifxmips - EBU Latch GPIO-Expander"); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/irq.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/irq.c new file mode 100644 index 0000000000..18b8d01d42 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/irq.c @@ -0,0 +1,233 @@ +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/interrupt.h> +#include <linux/kernel_stat.h> +#include <linux/module.h> + +#include <asm/bootinfo.h> +#include <asm/irq.h> +#include <asm/irq_cpu.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +void +ifxmips_disable_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier); + return; + } + ier += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_disable_irq); + +void +ifxmips_mask_and_ack_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + u32 *isr = IFXMIPS_ICU_IM0_ISR; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) & ~(1 << irq_nr), ier); + ifxmips_w32((1 << irq_nr), isr); + return; + } + ier += IFXMIPS_ICU_OFFSET; + isr += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_mask_and_ack_irq); + +void +ifxmips_enable_irq(unsigned int irq_nr) +{ + int i; + u32 *ier = IFXMIPS_ICU_IM0_IER; + + irq_nr -= INT_NUM_IRQ0; + for (i = 0; i <= 4; i++) + { + if (irq_nr < INT_NUM_IM_OFFSET) + { + ifxmips_w32(ifxmips_r32(ier) | (1 << irq_nr), ier); + return; + } + ier += IFXMIPS_ICU_OFFSET; + irq_nr -= INT_NUM_IM_OFFSET; + } +} +EXPORT_SYMBOL(ifxmips_enable_irq); + +static unsigned int +ifxmips_startup_irq(unsigned int irq) +{ + ifxmips_enable_irq(irq); + return 0; +} + +static void +ifxmips_end_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + ifxmips_enable_irq(irq); +} + +static struct irq_chip +ifxmips_irq_type = { + "ifxmips", + .startup = ifxmips_startup_irq, + .enable = ifxmips_enable_irq, + .disable = ifxmips_disable_irq, + .unmask = ifxmips_enable_irq, + .ack = ifxmips_end_irq, + .mask = ifxmips_disable_irq, + .mask_ack = ifxmips_mask_and_ack_irq, + .end = ifxmips_end_irq, +}; + +/* silicon bug causes only the msb set to 1 to be valid. all + other bits might be bogus */ +static inline int +ls1bit32(unsigned long x) +{ + __asm__ ( + ".set push \n" + ".set mips32 \n" + "clz %0, %1 \n" + ".set pop \n" + : "=r" (x) + : "r" (x)); + return 31 - x; +} + +static void +ifxmips_hw_irqdispatch(int module) +{ + u32 irq; + + irq = ifxmips_r32(IFXMIPS_ICU_IM0_IOSR + (module * IFXMIPS_ICU_OFFSET)); + if (irq == 0) + return; + + /* we need to do this due to a silicon bug */ + irq = ls1bit32(irq); + do_IRQ((int)irq + INT_NUM_IM0_IRL0 + (INT_NUM_IM_OFFSET * module)); + + if ((irq == 22) && (module == 0)) + ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_ISTAT) | 0x10, + IFXMIPS_EBU_PCC_ISTAT); +} + +#ifdef CONFIG_CPU_MIPSR2_IRQ_VI +#define DEFINE_HWx_IRQDISPATCH(x) \ +static void ifxmips_hw ## x ## _irqdispatch(void)\ +{\ + ifxmips_hw_irqdispatch(x); \ +} +static void ifxmips_hw5_irqdispatch(void) +{ + do_IRQ(MIPS_CPU_TIMER_IRQ); +} +DEFINE_HWx_IRQDISPATCH(0) +DEFINE_HWx_IRQDISPATCH(1) +DEFINE_HWx_IRQDISPATCH(2) +DEFINE_HWx_IRQDISPATCH(3) +DEFINE_HWx_IRQDISPATCH(4) +/*DEFINE_HWx_IRQDISPATCH(5)*/ +#endif /* #ifdef CONFIG_CPU_MIPSR2_IRQ_VI */ + +asmlinkage void +plat_irq_dispatch(void) +{ + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; + unsigned int i; + + if (pending & CAUSEF_IP7) + { + do_IRQ(MIPS_CPU_TIMER_IRQ); + goto out; + } else { + for (i = 0; i < 5; i++) + { + if (pending & (CAUSEF_IP2 << i)) + { + ifxmips_hw_irqdispatch(i); + goto out; + } + } + } + printk(KERN_ALERT "Spurious IRQ: CAUSE=0x%08x\n", read_c0_status()); + +out: + return; +} + +static struct irqaction +cascade = { + .handler = no_action, + .flags = IRQF_DISABLED, + .name = "cascade", +}; + +void __init +arch_init_irq(void) +{ + int i; + + for (i = 0; i < 5; i++) + ifxmips_w32(0, IFXMIPS_ICU_IM0_IER + (i * IFXMIPS_ICU_OFFSET)); + + mips_cpu_irq_init(); + + for (i = 2; i <= 6; i++) + setup_irq(i, &cascade); + +#ifdef CONFIG_CPU_MIPSR2_IRQ_VI + if (cpu_has_vint) { + printk(KERN_INFO "Setting up vectored interrupts\n"); + set_vi_handler(2, ifxmips_hw0_irqdispatch); + set_vi_handler(3, ifxmips_hw1_irqdispatch); + set_vi_handler(4, ifxmips_hw2_irqdispatch); + set_vi_handler(5, ifxmips_hw3_irqdispatch); + set_vi_handler(6, ifxmips_hw4_irqdispatch); + set_vi_handler(7, ifxmips_hw5_irqdispatch); + } +#endif + + for (i = INT_NUM_IRQ0; i <= (INT_NUM_IRQ0 + (5 * INT_NUM_IM_OFFSET)); i++) + set_irq_chip_and_handler(i, &ifxmips_irq_type, + handle_level_irq); + + #if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC) + set_c0_status(IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | + IE_IRQ3 | IE_IRQ4 | IE_IRQ5); + #else + set_c0_status(IE_SW0 | IE_SW1 | IE_IRQ0 | IE_IRQ1 | + IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5); + #endif +} + +void __cpuinit +arch_fixup_c0_irqs(void) +{ + /* FIXME: check for CPUID and only do fix for specific chips/versions */ + cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; + cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-arv452.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-arv452.c new file mode 100644 index 0000000000..2e406c90ae --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-arv452.c @@ -0,0 +1,170 @@ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/gpio_buttons.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> + +#include <machine.h> +#include <ifxmips_prom.h> + +#include "arcaydian.h" +#include "devices.h" + +#define ARV452_EBU_GPIO_START 0x14000000 +#define ARV452_EBU_GPIO_SIZE 0x00001000 + +#define ARV452_GPIO_BUTTON_RESET 14 +#define ARV452_BUTTONS_POLL_INTERVAL 20 + +#define ARV452_LATCH_SWITCH (1 << 10) + +#ifdef CONFIG_MTD_PARTITIONS +static struct mtd_partition arv452_partitions[] = +{ + { + .name = "uboot", + .offset = 0x0, + .size = 0x20000, + }, + { + .name = "uboot_env", + .offset = 0x20000, + .size = 0x0, + }, + { + .name = "kernel", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "rootfs", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "board_config", + .offset = 0x3f0000, + .size = 0x10000, + }, + { + .name = "openwrt", + .offset = 0x0, + .size = 0x0, + }, +}; +#endif + +static struct physmap_flash_data arv452_flash_data = { +#ifdef CONFIG_MTD_PARTITIONS + .nr_parts = ARRAY_SIZE(arv452_partitions), + .parts = arv452_partitions, +#endif +}; + +static struct gpio_led +arv452_leds_gpio[] __initdata = { +/* + { .name = "ifx0", .gpio = 0, .active_low = 1, }, + { .name = "ifx1", .gpio = 1, .active_low = 1, }, + { .name = "ifx2", .gpio = 2, .active_low = 1, }, +*/ + { .name = "ifx:blue:power", .gpio = 3, .active_low = 1, }, + { .name = "ifx:blue:adsl", .gpio = 4, .active_low = 1, }, + { .name = "ifx:blue:internet", .gpio = 5, .active_low = 1, }, + { .name = "ifx:red:power", .gpio = 6, .active_low = 1, }, + { .name = "ifx:yello:wps", .gpio = 7, .active_low = 1, }, + { .name = "ifx:red:wps", .gpio = 9, .active_low = 1, }, +/* + { .name = "ifx10", .gpio = 10, .active_low = 1, }, + { .name = "ifx11", .gpio = 11, .active_low = 1, }, + { .name = "ifx12", .gpio = 12, .active_low = 1, }, + { .name = "ifx13", .gpio = 13, .active_low = 1, }, + { .name = "ifx14", .gpio = 14, .active_low = 1, }, + { .name = "ifx15", .gpio = 15, .active_low = 1, }, + { .name = "ifx16", .gpio = 16, .active_low = 1, }, + { .name = "ifx17", .gpio = 17, .active_low = 1, }, + { .name = "ifx18", .gpio = 18, .active_low = 1, }, + { .name = "ifx19", .gpio = 19, .active_low = 1, }, + { .name = "ifx20", .gpio = 20, .active_low = 1, }, + { .name = "ifx21", .gpio = 21, .active_low = 1, }, + { .name = "ifx22", .gpio = 22, .active_low = 1, }, + { .name = "ifx23", .gpio = 23, .active_low = 1, }, + { .name = "ifx24", .gpio = 24, .active_low = 1, }, + { .name = "ifx25", .gpio = 25, .active_low = 1, }, + { .name = "ifx26", .gpio = 26, .active_low = 1, }, + { .name = "ifx27", .gpio = 27, .active_low = 1, }, + { .name = "ifx28", .gpio = 28, .active_low = 1, }, + { .name = "ifx29", .gpio = 29, .active_low = 1, }, + { .name = "ifx30", .gpio = 30, .active_low = 1, }, + { .name = "ifx31", .gpio = 31, .active_low = 1, }, +*/ + { .name = "ifx:blue:voip", .gpio = 32, .active_low = 1, }, + { .name = "ifx:blue:fxs1", .gpio = 33, .active_low = 1, }, + { .name = "ifx:blue:fxs2", .gpio = 34, .active_low = 1, }, + { .name = "ifx:blue:fxo", .gpio = 35, .active_low = 1, }, + { .name = "ifx:blue:voice", .gpio = 36, .active_low = 1, }, + { .name = "ifx:blue:usb", .gpio = 37, .active_low = 1, }, + { .name = "ifx:blue:wlan", .gpio = 38, .active_low = 1, }, +/* { .name = "ifx39", .gpio = 39, .active_low = 1, }, + { .name = "ifx40", .gpio = 40, .active_low = 1, }, + { .name = "ifx41", .gpio = 41, .active_low = 1, }, + { .name = "ifx42", .gpio = 42, .active_low = 1, }, + { .name = "ifx43", .gpio = 43, .active_low = 1, }, + { .name = "ifx44", .gpio = 44, .active_low = 1, }, + { .name = "ifx45", .gpio = 45, .active_low = 1, }, + { .name = "ifx46", .gpio = 46, .active_low = 1, }, + { .name = "ifx47", .gpio = 47, .active_low = 1, }, +*/ +}; + +static struct gpio_button +arv452_gpio_buttons[] __initdata = { + { + .desc = "reset", + .type = EV_KEY, + .code = BTN_0, + .threshold = 3, + .gpio = ARV452_GPIO_BUTTON_RESET, + .active_low = 1, + } +}; + +static struct resource arv452_ebu_resource = +{ + .name = "ebu-gpio", + .start = ARV452_EBU_GPIO_START, + .end = ARV452_EBU_GPIO_START + ARV452_EBU_GPIO_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static void __init +arv452_init(void) +{ + unsigned char mac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + ifxmips_find_brn_mac(mac); + + ifxmips_register_gpio(); + + danube_register_ebu_gpio(&arv452_ebu_resource, ARV452_LATCH_SWITCH); + + ifxmips_register_mtd(&arv452_flash_data); + + danube_register_pci(PCI_CLOCK_EXT, 0); + + ifxmips_register_wdt(); + + ifxmips_register_gpio_leds(arv452_leds_gpio, ARRAY_SIZE(arv452_leds_gpio)); + + danube_register_ethernet(mac); + + danube_register_usb(); +} + +MIPS_MACHINE(IFXMIPS_MACH_ARV452, + "ARV452", + "Airties WAV-281, Arcor A800", + arv452_init); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy4010.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy4010.c new file mode 100644 index 0000000000..3fe8f1fade --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy4010.c @@ -0,0 +1,79 @@ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/gpio_buttons.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> + +#include <machine.h> +#include <ifxmips_prom.h> + +#include "devices.h" + +extern unsigned char ifxmips_ethaddr[6]; + +#ifdef CONFIG_MTD_PARTITIONS +static struct mtd_partition easy4010_partitions[] = +{ + { + .name = "uboot", + .offset = 0x0, + .size = 0x40000, + }, + { + .name = "uboot_env", + .offset = 0x40000, + .size = 0x10000, + }, + { + .name = "kernel", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "rootfs", + .offset = 0x0, + .size = 0x0, + } +}; +#endif + +static struct physmap_flash_data easy4010_flash_data = { +#ifdef CONFIG_MTD_PARTITIONS + .nr_parts = ARRAY_SIZE(easy4010_partitions), + .parts = easy4010_partitions, +#endif +}; + +static struct gpio_led easy4010_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static void __init +easy4010_init(void) +{ + ifxmips_register_gpio(); + + ifxmips_register_gpio_dev(); + + ifxmips_register_mtd(&easy4010_flash_data); + + ifxmips_register_leds(easy4010_leds, ARRAY_SIZE(easy4010_leds)); + + ifxmips_register_wdt(); + + danube_register_ethernet(ifxmips_ethaddr); + + danube_register_usb(); +} + +MIPS_MACHINE(IFXMIPS_MACH_EASY4010, + "EASY4010", + "Lantiq Twinpass Eval Board", + easy4010_init); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy50712.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy50712.c new file mode 100644 index 0000000000..9a38377a92 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/mach-easy50712.c @@ -0,0 +1,80 @@ +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/leds.h> +#include <linux/gpio.h> +#include <linux/gpio_buttons.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/input.h> + +#include <machine.h> +#include <ifxmips_prom.h> + +#include "devices.h" + +extern unsigned char ifxmips_ethaddr[6]; + +#ifdef CONFIG_MTD_PARTITIONS +static struct mtd_partition easy50712_partitions[] = +{ + { + .name = "uboot", + .offset = 0x0, + .size = 0x40000, + }, + { + .name = "uboot_env", + .offset = 0x40000, + .size = 0x10000, + }, + { + .name = "kernel", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "rootfs", + .offset = 0x0, + .size = 0x0, + } +}; +#endif + +static struct physmap_flash_data easy50712_flash_data = { +#ifdef CONFIG_MTD_PARTITIONS + .nr_parts = ARRAY_SIZE(easy50712_partitions), + .parts = easy50712_partitions, +#endif +}; + +static struct gpio_led easy50712_leds[] = { + { .name = "ifx:green:test0", .gpio = 0,}, + { .name = "ifx:green:test1", .gpio = 1,}, + { .name = "ifx:green:test2", .gpio = 2,}, + { .name = "ifx:green:test3", .gpio = 3,}, +}; + +static void __init +easy50712_init(void) +{ + ifxmips_register_gpio(); + + //printk("ifxmips_register_gpio_dev\n"); + //ifxmips_register_gpio_dev(); + + ifxmips_register_mtd(&easy50712_flash_data); + + ifxmips_register_leds(easy50712_leds, ARRAY_SIZE(easy50712_leds)); + + ifxmips_register_wdt(); + + danube_register_ethernet(ifxmips_ethaddr); + + danube_register_usb(); +} + +MIPS_MACHINE(IFXMIPS_MACH_EASY50712, + "EASY50712", + "Lantiq Eval Board", + easy50712_init); diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/setup.c b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/setup.c new file mode 100644 index 0000000000..35e6fd9645 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/ifxmips/danube/setup.c @@ -0,0 +1,96 @@ +#include <linux/cpu.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/pm.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <asm/reboot.h> +#include <asm/system.h> +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +#define SYSTEM_DANUBE "Danube" +#define SYSTEM_DANUBE_CHIPID1 0x00129083 +#define SYSTEM_DANUBE_CHIPID2 0x0012B083 + +#define SYSTEM_TWINPASS "Twinpass" +#define SYSTEM_TWINPASS_CHIPID 0x0012D083 + +static unsigned int chiprev = 0; +unsigned char ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN]; + +unsigned int +ifxmips_get_cpu_ver(void) +{ + return (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0xF0000000) >> 28; +} +EXPORT_SYMBOL(ifxmips_get_cpu_ver); + +const char* +get_system_type(void) +{ + return ifxmips_sys_type; +} + +static void +ifxmips_machine_restart(char *command) +{ + printk(KERN_NOTICE "System restart\n"); + local_irq_disable(); + ifxmips_w32(ifxmips_r32(IFXMIPS_RCU_RST) | IFXMIPS_RCU_RST_ALL, + IFXMIPS_RCU_RST); + for(;;); +} + +static void +ifxmips_machine_halt(void) +{ + printk(KERN_NOTICE "System halted.\n"); + local_irq_disable(); + for(;;); +} + +static void +ifxmips_machine_power_off(void) +{ + printk(KERN_NOTICE "Please turn off the power now.\n"); + local_irq_disable(); + for(;;); +} + +void __init +ifxmips_soc_setup(void) +{ + char *name = SYSTEM_DANUBE; + ioport_resource.start = IOPORT_RESOURCE_START; + ioport_resource.end = IOPORT_RESOURCE_END; + iomem_resource.start = IOMEM_RESOURCE_START; + iomem_resource.end = IOMEM_RESOURCE_END; + + _machine_restart = ifxmips_machine_restart; + _machine_halt = ifxmips_machine_halt; + pm_power_off = ifxmips_machine_power_off; + + chiprev = (ifxmips_r32(IFXMIPS_MPS_CHIPID) & 0x0FFFFFFF); + + switch (chiprev) + { + case SYSTEM_DANUBE_CHIPID1: + case SYSTEM_DANUBE_CHIPID2: + name = SYSTEM_DANUBE; + break; + + case SYSTEM_TWINPASS_CHIPID: + name = SYSTEM_TWINPASS; + break; + + default: + printk(KERN_ERR "This is not a danube chiprev : 0x%08X\n", chiprev); + BUG(); + break; + } + snprintf(ifxmips_sys_type, IFXMIPS_SYS_TYPE_LEN - 1, "%s rev1.%d %dMhz", + name, ifxmips_get_cpu_ver(), + ifxmips_get_cpu_hz() / 1000000); + ifxmips_sys_type[IFXMIPS_SYS_TYPE_LEN - 1] = '\0'; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips.h new file mode 100644 index 0000000000..9532eba390 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips.h @@ -0,0 +1,520 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2005 infineon + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_H__ +#define _IFXMIPS_H__ + +#define ifxmips_r32(reg) __raw_readl(reg) +#define ifxmips_w32(val, reg) __raw_writel(val, reg) +#define ifxmips_w32_mask(clear, set, reg) ifxmips_w32((ifxmips_r32(reg) & ~clear) | set, reg) + +/*------------ GENERAL */ + +#define BOARD_SYSTEM_TYPE "IFXMIPS" +#define IFXMIPS_SYS_TYPE_LEN 0x100 + +#define IOPORT_RESOURCE_START 0x10000000 +#define IOPORT_RESOURCE_END 0xffffffff +#define IOMEM_RESOURCE_START 0x10000000 +#define IOMEM_RESOURCE_END 0xffffffff + +#define IFXMIPS_FLASH_START 0x10000000 +#define IFXMIPS_FLASH_MAX 0x02000000 + +/*------------ ASC0/1 */ + +#define IFXMIPS_ASC_BASE_ADDR (KSEG1 + 0x1E100400) +#define IFXMIPS_ASC_BASE_DIFF (0x1E100C00 - 0x1E100400) + +#define IFXMIPS_ASC_FSTAT 0x0048 +#define IFXMIPS_ASC_TBUF 0x0020 +#define IFXMIPS_ASC_WHBSTATE 0x0018 +#define IFXMIPS_ASC_RBUF 0x0024 +#define IFXMIPS_ASC_STATE 0x0014 +#define IFXMIPS_ASC_IRNCR 0x00F8 +#define IFXMIPS_ASC_CLC 0x0000 +#define IFXMIPS_ASC_PISEL 0x0004 +#define IFXMIPS_ASC_TXFCON 0x0044 +#define IFXMIPS_ASC_RXFCON 0x0040 +#define IFXMIPS_ASC_CON 0x0010 +#define IFXMIPS_ASC_BG 0x0050 +#define IFXMIPS_ASC_IRNREN 0x00F4 + +#define IFXMIPS_ASC_CLC_DISS 0x2 +#define ASC_IRNREN_RX_BUF 0x8 +#define ASC_IRNREN_TX_BUF 0x4 +#define ASC_IRNREN_ERR 0x2 +#define ASC_IRNREN_TX 0x1 +#define ASC_IRNCR_TIR 0x4 +#define ASC_IRNCR_RIR 0x2 +#define ASC_IRNCR_EIR 0x4 +#define ASCOPT_CSIZE 0x3 +#define ASCOPT_CS7 0x1 +#define ASCOPT_CS8 0x2 +#define ASCOPT_PARENB 0x4 +#define ASCOPT_STOPB 0x8 +#define ASCOPT_PARODD 0x0 +#define ASCOPT_CREAD 0x20 +#define TXFIFO_FL 1 +#define RXFIFO_FL 1 +#define TXFIFO_FULL 16 +#define ASCCLC_RMCMASK 0x0000FF00 +#define ASCCLC_RMCOFFSET 8 +#define ASCCON_M_8ASYNC 0x0 +#define ASCCON_M_7ASYNC 0x2 +#define ASCCON_ODD 0x00000020 +#define ASCCON_STP 0x00000080 +#define ASCCON_BRS 0x00000100 +#define ASCCON_FDE 0x00000200 +#define ASCCON_R 0x00008000 +#define ASCCON_FEN 0x00020000 +#define ASCCON_ROEN 0x00080000 +#define ASCCON_TOEN 0x00100000 +#define ASCSTATE_PE 0x00010000 +#define ASCSTATE_FE 0x00020000 +#define ASCSTATE_ROE 0x00080000 +#define ASCSTATE_ANY (ASCSTATE_ROE|ASCSTATE_PE|ASCSTATE_FE) +#define ASCWHBSTATE_CLRREN 0x00000001 +#define ASCWHBSTATE_SETREN 0x00000002 +#define ASCWHBSTATE_CLRPE 0x00000004 +#define ASCWHBSTATE_CLRFE 0x00000008 +#define ASCWHBSTATE_CLRROE 0x00000020 +#define ASCTXFCON_TXFEN 0x0001 +#define ASCTXFCON_TXFFLU 0x0002 +#define ASCTXFCON_TXFITLMASK 0x3F00 +#define ASCTXFCON_TXFITLOFF 8 +#define ASCRXFCON_RXFEN 0x0001 +#define ASCRXFCON_RXFFLU 0x0002 +#define ASCRXFCON_RXFITLMASK 0x3F00 +#define ASCRXFCON_RXFITLOFF 8 +#define ASCFSTAT_RXFFLMASK 0x003F +#define ASCFSTAT_TXFFLMASK 0x3F00 +#define ASCFSTAT_TXFFLOFF 8 + + + +/*------------ RCU */ +#define IFXMIPS_RCU_BASE_ADDR 0xBF203000 + +/* reset request */ +#define IFXMIPS_RCU_RST ((u32 *)(IFXMIPS_RCU_BASE_ADDR + 0x0010)) +#define IFXMIPS_RCU_RST_CPU1 (1 << 3) +#define IFXMIPS_RCU_RST_ALL 0x40000000 + +#define IFXMIPS_RCU_RST_REQ_DFE (1 << 7) +#define IFXMIPS_RCU_RST_REQ_AFE (1 << 11) +#define IFXMIPS_RCU_RST_REQ_ARC_JTAG (1 << 20) + + +/*------------ GPTU */ + +#define IFXMIPS_GPTU_BASE_ADDR 0xB8000300 + +/* clock control register */ +#define IFXMIPS_GPTU_GPT_CLC ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0000)) + +/* captur reload register */ +#define IFXMIPS_GPTU_GPT_CAPREL ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0030)) + +/* timer 6 control register */ +#define IFXMIPS_GPTU_GPT_T6CON ((u32 *)(IFXMIPS_GPTU_BASE_ADDR + 0x0020)) + + +/*------------ EBU */ + +#define IFXMIPS_EBU_BASE_ADDR 0xBE105300 + +/* bus configuration register */ +#define IFXMIPS_EBU_BUSCON0 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0060)) +#define IFXMIPS_EBU_PCC_CON ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0090)) +#define IFXMIPS_EBU_PCC_IEN ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x00A4)) +#define IFXMIPS_EBU_PCC_ISTAT ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x00A0)) +#define IFXMIPS_EBU_BUSCON1 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0064)) +#define IFXMIPS_EBU_ADDRSEL1 ((u32 *)(IFXMIPS_EBU_BASE_ADDR + 0x0024)) + +/*------------ CGU */ +#define IFXMIPS_CGU_BASE_ADDR (KSEG1 + 0x1F103000) +#define IFXMIPS_CGU_PLL0_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0004)) +#define IFXMIPS_CGU_PLL1_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0008)) +#define IFXMIPS_CGU_PLL2_CFG ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x000C)) +#define IFXMIPS_CGU_SYS ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0010)) +#define IFXMIPS_CGU_UPDATE ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0014)) +#define IFXMIPS_CGU_IF_CLK ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0018)) +#define IFXMIPS_CGU_OSC_CON ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x001C)) +#define IFXMIPS_CGU_SMD ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0020)) +#define IFXMIPS_CGU_CT1SR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0028)) +#define IFXMIPS_CGU_CT2SR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x002C)) +#define IFXMIPS_CGU_PCMCR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0030)) +#define IFXMIPS_CGU_PCI_CR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0034)) +#define IFXMIPS_CGU_PD_PC ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0038)) +#define IFXMIPS_CGU_FMR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x003C)) + +/* clock mux */ +#define IFXMIPS_CGU_SYS ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0010)) +#define IFXMIPS_CGU_IFCCR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0018)) +#define IFXMIPS_CGU_PCICR ((u32 *)(IFXMIPS_CGU_BASE_ADDR + 0x0034)) + +#define CLOCK_60M 60000000 +#define CLOCK_83M 83333333 +#define CLOCK_111M 111111111 +#define CLOCK_133M 133333333 +#define CLOCK_167M 166666667 +#define CLOCK_333M 333333333 + + +/*------------ CGU */ + +#define IFXMIPS_PMU_BASE_ADDR (KSEG1 + 0x1F102000) + +#define IFXMIPS_PMU_PWDCR ((u32 *)(IFXMIPS_PMU_BASE_ADDR + 0x001C)) +#define IFXMIPS_PMU_PWDSR ((u32 *)(IFXMIPS_PMU_BASE_ADDR + 0x0020)) + + +/*------------ ICU */ + +#define IFXMIPS_ICU_BASE_ADDR 0xBF880200 + + +#define IFXMIPS_ICU_IM0_ISR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0000)) +#define IFXMIPS_ICU_IM0_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0008)) +#define IFXMIPS_ICU_IM0_IOSR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0010)) +#define IFXMIPS_ICU_IM0_IRSR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0018)) +#define IFXMIPS_ICU_IM0_IMR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0020)) + +#define IFXMIPS_ICU_IM1_ISR ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0028)) +#define IFXMIPS_ICU_IM2_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0058)) +#define IFXMIPS_ICU_IM3_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x0080)) +#define IFXMIPS_ICU_IM4_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x00A8)) +#define IFXMIPS_ICU_IM5_IER ((u32 *)(IFXMIPS_ICU_BASE_ADDR + 0x00D0)) + +#define IFXMIPS_ICU_OFFSET (IFXMIPS_ICU_IM1_ISR - IFXMIPS_ICU_IM0_ISR) + + +/*------------ ETOP */ + +#define IFXMIPS_PPE32_BASE_ADDR 0xBE180000 +#define IFXMIPS_PPE32_SIZE 0x40000 + +#define ETHERNET_PACKET_DMA_BUFFER_SIZE 0x600 + +#define IFXMIPS_PPE32_MEM_MAP ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x10000)) +#define IFXMIPS_PPE32_SRST ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x10080)) + +#define MII_MODE 1 +#define REV_MII_MODE 2 + +/* mdio access */ +#define IFXMIPS_PPE32_MDIO_CFG ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x11800)) +#define IFXMIPS_PPE32_MDIO_ACC ((u32 *)(IFXMIPS_PPE32_BASE_ADDR + 0x11804)) + +#define MDIO_ACC_REQUEST 0x80000000 +#define MDIO_ACC_READ 0x40000000 +#define MDIO_ACC_ADDR_MASK 0x1f +#define MDIO_ACC_ADDR_OFFSET 0x15 +#define MDIO_ACC_REG_MASK 0x1f +#define MDIO_ACC_REG_OFFSET 0x10 +#define MDIO_ACC_VAL_MASK 0xffff + +/* configuration */ +#define IFXMIPS_PPE32_CFG ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1808)) + +#define PPE32_MII_MASK 0xfffffffc +#define PPE32_MII_NORMAL 0x8 +#define PPE32_MII_REVERSE 0xe + +/* packet length */ +#define IFXMIPS_PPE32_IG_PLEN_CTRL ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1820)) + +#define PPE32_PLEN_OVER 0x5ee +#define PPE32_PLEN_UNDER 0x400000 + +/* enet */ +#define IFXMIPS_PPE32_ENET_MAC_CFG ((u32 *)(IFXMIPS_PPE32_MEM_MAP + 0x1840)) + +#define PPE32_CGEN 0x800 + + +/*------------ DMA */ +#define IFXMIPS_DMA_BASE_ADDR 0xBE104100 + +#define IFXMIPS_DMA_CS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x18)) +#define IFXMIPS_DMA_CIE ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x2C)) +#define IFXMIPS_DMA_IRNEN ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0xf4)) +#define IFXMIPS_DMA_CCTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x1C)) +#define IFXMIPS_DMA_CIS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x28)) +#define IFXMIPS_DMA_CDLEN ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x24)) +#define IFXMIPS_DMA_PS ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x40)) +#define IFXMIPS_DMA_PCTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x44)) +#define IFXMIPS_DMA_CTRL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x10)) +#define IFXMIPS_DMA_CPOLL ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x14)) +#define IFXMIPS_DMA_CDBA ((u32 *)(IFXMIPS_DMA_BASE_ADDR + 0x20)) + + +/*------------ PCI */ +#define PCI_CR_PR_BASE_ADDR (KSEG1 + 0x1E105400) + +#define PCI_CR_FCI_ADDR_MAP0 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C0)) +#define PCI_CR_FCI_ADDR_MAP1 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C4)) +#define PCI_CR_FCI_ADDR_MAP2 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00C8)) +#define PCI_CR_FCI_ADDR_MAP3 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00CC)) +#define PCI_CR_FCI_ADDR_MAP4 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D0)) +#define PCI_CR_FCI_ADDR_MAP5 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D4)) +#define PCI_CR_FCI_ADDR_MAP6 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00D8)) +#define PCI_CR_FCI_ADDR_MAP7 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00DC)) +#define PCI_CR_CLK_CTRL ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0000)) +#define PCI_CR_PCI_MOD ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0030)) +#define PCI_CR_PC_ARB ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0080)) +#define PCI_CR_FCI_ADDR_MAP11hg ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00E4)) +#define PCI_CR_BAR11MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0044)) +#define PCI_CR_BAR12MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0048)) +#define PCI_CR_BAR13MASK ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x004C)) +#define PCI_CS_BASE_ADDR1 ((u32 *)(PCI_CS_PR_BASE_ADDR + 0x0010)) +#define PCI_CR_PCI_ADDR_MAP11 ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x0064)) +#define PCI_CR_FCI_BURST_LENGTH ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x00E8)) +#define PCI_CR_PCI_EOI ((u32 *)(PCI_CR_PR_BASE_ADDR + 0x002C)) + +#define PCI_CS_PR_BASE_ADDR (KSEG1 + 0x17000000) + +#define PCI_CS_STS_CMD ((u32 *)(PCI_CS_PR_BASE_ADDR + 0x0004)) + +#define PCI_MASTER0_REQ_MASK_2BITS 8 +#define PCI_MASTER1_REQ_MASK_2BITS 10 +#define PCI_MASTER2_REQ_MASK_2BITS 12 +#define INTERNAL_ARB_ENABLE_BIT 0 + + +/*------------ WDT */ + +#define IFXMIPS_WDT_BASE_ADDR (KSEG1 + 0x1F880000) +#define IFXMIPS_WDT_SIZE 0x400 + +#define IFXMIPS_BIU_WDT_CR ((u32 *)(IFXMIPS_WDT_BASE_ADDR + 0x03F0)) +#define IFXMIPS_BIU_WDT_SR ((u32 *)(IFXMIPS_WDT_BASE_ADDR + 0x03F8)) + + +/*------------ LED */ + +#define IFXMIPS_LED_BASE_ADDR (KSEG1 + 0x1E100BB0) +#define IFXMIPS_LED_CON0 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0000)) +#define IFXMIPS_LED_CON1 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0004)) +#define IFXMIPS_LED_CPU0 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0008)) +#define IFXMIPS_LED_CPU1 ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x000C)) +#define IFXMIPS_LED_AR ((u32 *)(IFXMIPS_LED_BASE_ADDR + 0x0010)) + +#define LED_CON0_SWU (1 << 31) +#define LED_CON0_AD1 (1 << 25) +#define LED_CON0_AD0 (1 << 24) + +#define IFXMIPS_LED_2HZ (0) +#define IFXMIPS_LED_4HZ (1 << 23) +#define IFXMIPS_LED_8HZ (2 << 23) +#define IFXMIPS_LED_10HZ (3 << 23) +#define IFXMIPS_LED_MASK (0xf << 23) + +#define IFXMIPS_LED_UPD_SRC_FPI (1 << 31) +#define IFXMIPS_LED_UPD_MASK (3 << 30) +#define IFXMIPS_LED_ADSL_SRC (3 << 24) + +#define IFXMIPS_LED_GROUP0 (1 << 0) +#define IFXMIPS_LED_GROUP1 (1 << 1) +#define IFXMIPS_LED_GROUP2 (1 << 2) + +#define IFXMIPS_LED_RISING 0 +#define IFXMIPS_LED_FALLING (1 << 26) +#define IFXMIPS_LED_EDGE_MASK (1 << 26) + + +/*------------ GPIO */ + +#define IFXMIPS_GPIO_BASE_ADDR (0xBE100B00) + +#define IFXMIPS_GPIO_P0_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0010)) +#define IFXMIPS_GPIO_P1_OUT ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0040)) +#define IFXMIPS_GPIO_P0_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0014)) +#define IFXMIPS_GPIO_P1_IN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0044)) +#define IFXMIPS_GPIO_P0_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0018)) +#define IFXMIPS_GPIO_P1_DIR ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0048)) +#define IFXMIPS_GPIO_P0_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x001C)) +#define IFXMIPS_GPIO_P1_ALTSEL0 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x004C)) +#define IFXMIPS_GPIO_P0_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0020)) +#define IFXMIPS_GPIO_P1_ALTSEL1 ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0050)) +#define IFXMIPS_GPIO_P0_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0024)) +#define IFXMIPS_GPIO_P1_OD ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0054)) +#define IFXMIPS_GPIO_P0_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0028)) +#define IFXMIPS_GPIO_P1_STOFF ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0058)) +#define IFXMIPS_GPIO_P0_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x002C)) +#define IFXMIPS_GPIO_P1_PUDSEL ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x005C)) +#define IFXMIPS_GPIO_P0_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0030)) +#define IFXMIPS_GPIO_P1_PUDEN ((u32 *)(IFXMIPS_GPIO_BASE_ADDR + 0x0060)) + + +/*------------ SSC */ + +#define IFXMIPS_SSC_BASE_ADDR (KSEG1 + 0x1e100800) + + +#define IFXMIPS_SSC_CLC ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0000)) +#define IFXMIPS_SSC_IRN ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x00F4)) +#define IFXMIPS_SSC_SFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0060)) +#define IFXMIPS_SSC_WHBGPOSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0078)) +#define IFXMIPS_SSC_STATE ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0014)) +#define IFXMIPS_SSC_WHBSTATE ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0018)) +#define IFXMIPS_SSC_FSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0038)) +#define IFXMIPS_SSC_ID ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0008)) +#define IFXMIPS_SSC_TB ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0020)) +#define IFXMIPS_SSC_RXFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0030)) +#define IFXMIPS_SSC_TXFCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0034)) +#define IFXMIPS_SSC_CON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0010)) +#define IFXMIPS_SSC_GPOSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0074)) +#define IFXMIPS_SSC_RB ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0024)) +#define IFXMIPS_SSC_RXCNT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0084)) +#define IFXMIPS_SSC_GPOCON ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0070)) +#define IFXMIPS_SSC_BR ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0040)) +#define IFXMIPS_SSC_RXREQ ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0080)) +#define IFXMIPS_SSC_SFSTAT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0064)) +#define IFXMIPS_SSC_RXCNT ((u32 *)(IFXMIPS_SSC_BASE_ADDR + 0x0084)) + + +/*------------ MEI */ + +#define IFXMIPS_MEI_BASE_ADDR (KSEG1 + 0x1E116000) + +#define MEI_DATA_XFR ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0000)) +#define MEI_VERSION ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0004)) +#define MEI_ARC_GP_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0008)) +#define MEI_DATA_XFR_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x000C)) +#define MEI_XFR_ADDR ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0010)) +#define MEI_MAX_WAIT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0014)) +#define MEI_TO_ARC_INT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0018)) +#define ARC_TO_MEI_INT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x001C)) +#define ARC_TO_MEI_INT_MASK ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0020)) +#define MEI_DEBUG_WAD ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0024)) +#define MEI_DEBUG_RAD ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0028)) +#define MEI_DEBUG_DATA ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x002C)) +#define MEI_DEBUG_DEC ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0030)) +#define MEI_CONFIG ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0034)) +#define MEI_RST_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0038)) +#define MEI_DBG_MASTER ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x003C)) +#define MEI_CLK_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0040)) +#define MEI_BIST_CONTROL ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0044)) +#define MEI_BIST_STAT ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0048)) +#define MEI_XDATA_BASE_SH ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x004c)) +#define MEI_XDATA_BASE ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0050)) +#define MEI_XMEM_BAR_BASE ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0054)) +#define MEI_XMEM_BAR0 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0054)) +#define MEI_XMEM_BAR1 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0058)) +#define MEI_XMEM_BAR2 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x005C)) +#define MEI_XMEM_BAR3 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0060)) +#define MEI_XMEM_BAR4 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0064)) +#define MEI_XMEM_BAR5 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0068)) +#define MEI_XMEM_BAR6 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x006C)) +#define MEI_XMEM_BAR7 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0070)) +#define MEI_XMEM_BAR8 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0074)) +#define MEI_XMEM_BAR9 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0078)) +#define MEI_XMEM_BAR10 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x007C)) +#define MEI_XMEM_BAR11 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0080)) +#define MEI_XMEM_BAR12 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0084)) +#define MEI_XMEM_BAR13 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0088)) +#define MEI_XMEM_BAR14 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x008C)) +#define MEI_XMEM_BAR15 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0090)) +#define MEI_XMEM_BAR16 ((u32 *)(IFXMIPS_MEI_BASE_ADDR + 0x0094)) + + +/*------------ DEU */ + +#define IFXMIPS_DEU_BASE (KSEG1 + 0x1E103100) +#define IFXMIPS_DEU_CLK ((u32 *)(IFXMIPS_DEU_BASE + 0x0000)) +#define IFXMIPS_DEU_ID ((u32 *)(IFXMIPS_DEU_BASE + 0x0008)) + +#define IFXMIPS_DES_CON ((u32 *)(IFXMIPS_DEU_BASE + 0x0010)) +#define IFXMIPS_DES_IHR ((u32 *)(IFXMIPS_DEU_BASE + 0x0014)) +#define IFXMIPS_DES_ILR ((u32 *)(IFXMIPS_DEU_BASE + 0x0018)) +#define IFXMIPS_DES_K1HR ((u32 *)(IFXMIPS_DEU_BASE + 0x001C)) +#define IFXMIPS_DES_K1LR ((u32 *)(IFXMIPS_DEU_BASE + 0x0020)) +#define IFXMIPS_DES_K3HR ((u32 *)(IFXMIPS_DEU_BASE + 0x0024)) +#define IFXMIPS_DES_K3LR ((u32 *)(IFXMIPS_DEU_BASE + 0x0028)) +#define IFXMIPS_DES_IVHR ((u32 *)(IFXMIPS_DEU_BASE + 0x002C)) +#define IFXMIPS_DES_IVLR ((u32 *)(IFXMIPS_DEU_BASE + 0x0030)) +#define IFXMIPS_DES_OHR ((u32 *)(IFXMIPS_DEU_BASE + 0x0040)) +#define IFXMIPS_DES_OLR ((u32 *)(IFXMIPS_DEU_BASE + 0x0050)) +#define IFXMIPS_AES_CON ((u32 *)(IFXMIPS_DEU_BASE + 0x0050)) +#define IFXMIPS_AES_ID3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0054)) +#define IFXMIPS_AES_ID2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0058)) +#define IFXMIPS_AES_ID1R ((u32 *)(IFXMIPS_DEU_BASE + 0x005C)) +#define IFXMIPS_AES_ID0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0060)) +#define IFXMIPS_AES_K7R ((u32 *)(IFXMIPS_DEU_BASE + 0x0064)) +#define IFXMIPS_AES_K6R ((u32 *)(IFXMIPS_DEU_BASE + 0x0068)) +#define IFXMIPS_AES_K5R ((u32 *)(IFXMIPS_DEU_BASE + 0x006C)) +#define IFXMIPS_AES_K4R ((u32 *)(IFXMIPS_DEU_BASE + 0x0070)) +#define IFXMIPS_AES_K3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0074)) +#define IFXMIPS_AES_K2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0078)) +#define IFXMIPS_AES_K1R ((u32 *)(IFXMIPS_DEU_BASE + 0x007C)) +#define IFXMIPS_AES_K0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0080)) +#define IFXMIPS_AES_IV3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0084)) +#define IFXMIPS_AES_IV2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0088)) +#define IFXMIPS_AES_IV1R ((u32 *)(IFXMIPS_DEU_BASE + 0x008C)) +#define IFXMIPS_AES_IV0R ((u32 *)(IFXMIPS_DEU_BASE + 0x0090)) +#define IFXMIPS_AES_0D3R ((u32 *)(IFXMIPS_DEU_BASE + 0x0094)) +#define IFXMIPS_AES_0D2R ((u32 *)(IFXMIPS_DEU_BASE + 0x0098)) +#define IFXMIPS_AES_OD1R ((u32 *)(IFXMIPS_DEU_BASE + 0x009C)) +#define IFXMIPS_AES_OD0R ((u32 *)(IFXMIPS_DEU_BASE + 0x00A0)) + +/*------------ FUSE */ + +#define IFXMIPS_FUSE_BASE_ADDR (KSEG1 + 0x1F107354) + + +/*------------ MPS */ + +#define IFXMIPS_MPS_BASE_ADDR (KSEG1 + 0x1F107000) +#define IFXMIPS_MPS_SRAM ((u32 *)(KSEG1 + 0x1F200000)) + +#define IFXMIPS_MPS_CHIPID ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0344)) +#define IFXMIPS_MPS_VC0ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0000)) +#define IFXMIPS_MPS_VC1ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0004)) +#define IFXMIPS_MPS_VC2ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0008)) +#define IFXMIPS_MPS_VC3ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x000C)) +#define IFXMIPS_MPS_RVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0010)) +#define IFXMIPS_MPS_RVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0014)) +#define IFXMIPS_MPS_RVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0018)) +#define IFXMIPS_MPS_RVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x001C)) +#define IFXMIPS_MPS_SVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0020)) +#define IFXMIPS_MPS_SVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0024)) +#define IFXMIPS_MPS_SVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0028)) +#define IFXMIPS_MPS_SVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x002C)) +#define IFXMIPS_MPS_CVC0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0030)) +#define IFXMIPS_MPS_CVC1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0034)) +#define IFXMIPS_MPS_CVC2SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0038)) +#define IFXMIPS_MPS_CVC3SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x003C)) +#define IFXMIPS_MPS_RAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0040)) +#define IFXMIPS_MPS_RAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0044)) +#define IFXMIPS_MPS_SAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0048)) +#define IFXMIPS_MPS_SAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x004C)) +#define IFXMIPS_MPS_CAD0SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0050)) +#define IFXMIPS_MPS_CAD1SR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0054)) +#define IFXMIPS_MPS_AD0ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x0058)) +#define IFXMIPS_MPS_AD1ENR ((u32 *)(IFXMIPS_MPS_BASE_ADDR + 0x005C)) + +#define IFXMIPS_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & ((1 << 4) - 1)) +#define IFXMIPS_MPS_CHIPID_VERSION_SET(value) ((((1 << 4) - 1) & (value)) << 28) +#define IFXMIPS_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & ((1 << 16) - 1)) +#define IFXMIPS_MPS_CHIPID_PARTNUM_SET(value) ((((1 << 16) - 1) & (value)) << 12) +#define IFXMIPS_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & ((1 << 10) - 1)) +#define IFXMIPS_MPS_CHIPID_MANID_SET(value) ((((1 << 10) - 1) & (value)) << 1) + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h new file mode 100644 index 0000000000..9ee287b421 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_cgu.h @@ -0,0 +1,64 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ + +#ifndef _IFXMIPS_CGU_H__ +#define _IFXMIPS_CGU_H__ + +#define BASIC_INPUT_CLOCK_FREQUENCY_1 35328000 +#define BASIC_INPUT_CLOCK_FREQUENCY_2 36000000 + +#define BASIS_INPUT_CRYSTAL_USB 12000000 + +#define GET_BITS(x, msb, lsb) (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb)) + +#define CGU_PLL0_PHASE_DIVIDER_ENABLE (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 31)) +#define CGU_PLL0_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 30)) +#define CGU_PLL0_CFG_DSMSEL (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 28)) +#define CGU_PLL0_CFG_FRAC_EN (ifxmips_r32(IFXMIPS_CGU_PLL0_CFG) & (1 << 27)) +#define CGU_PLL1_SRC (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 31)) +#define CGU_PLL1_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 30)) +#define CGU_PLL1_CFG_DSMSEL (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 28)) +#define CGU_PLL1_CFG_FRAC_EN (ifxmips_r32(IFXMIPS_CGU_PLL1_CFG) & (1 << 27)) +#define CGU_PLL2_PHASE_DIVIDER_ENABLE (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 20)) +#define CGU_PLL2_BYPASS (ifxmips_r32(IFXMIPS_CGU_PLL2_CFG) & (1 << 19)) +#define CGU_SYS_FPI_SEL (1 << 6) +#define CGU_SYS_DDR_SEL 0x3 +#define CGU_PLL0_SRC (1 << 29) + +#define CGU_PLL0_CFG_PLLK GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 26, 17) +#define CGU_PLL0_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 12, 6) +#define CGU_PLL0_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL0_CFG, 5, 2) +#define CGU_PLL1_CFG_PLLK GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 26, 17) +#define CGU_PLL1_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 12, 6) +#define CGU_PLL1_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL1_CFG, 5, 2) +#define CGU_PLL2_SRC GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 18, 17) +#define CGU_PLL2_CFG_INPUT_DIV GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 16, 13) +#define CGU_PLL2_CFG_PLLN GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 12, 6) +#define CGU_PLL2_CFG_PLLM GET_BITS(*IFXMIPS_CGU_PLL2_CFG, 5, 2) +#define CGU_IF_CLK_PCI_CLK GET_BITS(*IFXMIPS_CGU_IF_CLK, 23, 20) + + +unsigned int cgu_get_mips_clock(int cpu); +unsigned int cgu_get_io_region_clock(void); +unsigned int cgu_get_fpi_bus_clock(int fpi); +void cgu_setup_pci_clk(int internal_clock); +unsigned int ifxmips_get_ddr_hz(void); +unsigned int ifxmips_get_fpi_hz(void); +unsigned int ifxmips_get_cpu_hz(void); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h new file mode 100644 index 0000000000..8ba852a1ec --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_dma.h @@ -0,0 +1,195 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2005 infineon + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * + */ +#ifndef _IFXMIPS_DMA_H__ +#define _IFXMIPS_DMA_H__ + +#define RCV_INT 1 +#define TX_BUF_FULL_INT 2 +#define TRANSMIT_CPT_INT 4 +#define IFXMIPS_DMA_CH_ON 1 +#define IFXMIPS_DMA_CH_OFF 0 +#define IFXMIPS_DMA_CH_DEFAULT_WEIGHT 100 + +enum attr_t{ + TX = 0, + RX = 1, + RESERVED = 2, + DEFAULT = 3, +}; + +#define DMA_OWN 1 +#define CPU_OWN 0 +#define DMA_MAJOR 250 + +#define DMA_DESC_OWN_CPU 0x0 +#define DMA_DESC_OWN_DMA 0x80000000 +#define DMA_DESC_CPT_SET 0x40000000 +#define DMA_DESC_SOP_SET 0x20000000 +#define DMA_DESC_EOP_SET 0x10000000 + +#define MISCFG_MASK 0x40 +#define RDERR_MASK 0x20 +#define CHOFF_MASK 0x10 +#define DESCPT_MASK 0x8 +#define DUR_MASK 0x4 +#define EOP_MASK 0x2 + +#define DMA_DROP_MASK (1<<31) + +#define IFXMIPS_DMA_RX -1 +#define IFXMIPS_DMA_TX 1 + +struct dma_chan_map { + const char *dev_name; + enum attr_t dir; + int pri; + int irq; + int rel_chan_no; +}; + +#ifdef CONFIG_CPU_LITTLE_ENDIAN +struct rx_desc { + u32 data_length:16; + volatile u32 reserved:7; + volatile u32 byte_offset:2; + volatile u32 Burst_length_offset:3; + volatile u32 EoP:1; + volatile u32 Res:1; + volatile u32 C:1; + volatile u32 OWN:1; + volatile u32 Data_Pointer; /* fixme: should be 28 bits here */ +}; + +struct tx_desc { + volatile u32 data_length:16; + volatile u32 reserved1:7; + volatile u32 byte_offset:5; + volatile u32 EoP:1; + volatile u32 SoP:1; + volatile u32 C:1; + volatile u32 OWN:1; + volatile u32 Data_Pointer; /* fixme: should be 28 bits here */ +}; +#else /* BIG */ +struct rx_desc { + union { + struct { + volatile u32 OWN:1; + volatile u32 C:1; + volatile u32 SoP:1; + volatile u32 EoP:1; + volatile u32 Burst_length_offset:3; + volatile u32 byte_offset:2; + volatile u32 reserve:7; + volatile u32 data_length:16; + } field; + volatile u32 word; + } status; + volatile u32 Data_Pointer; +}; + +struct tx_desc { + union { + struct { + volatile u32 OWN:1; + volatile u32 C:1; + volatile u32 SoP:1; + volatile u32 EoP:1; + volatile u32 byte_offset:5; + volatile u32 reserved:7; + volatile u32 data_length:16; + } field; + volatile u32 word; + } status; + volatile u32 Data_Pointer; +}; +#endif /* ENDIAN */ + +struct dma_channel_info { + /* relative channel number */ + int rel_chan_no; + /* class for this channel for QoS */ + int pri; + /* specify byte_offset */ + int byte_offset; + /* direction */ + int dir; + /* irq number */ + int irq; + /* descriptor parameter */ + int desc_base; + int desc_len; + int curr_desc; + int prev_desc; /* only used if it is a tx channel*/ + /* weight setting for WFQ algorithm*/ + int weight; + int default_weight; + int packet_size; + int burst_len; + /* on or off of this channel */ + int control; + /* optional information for the upper layer devices */ +#if defined(CONFIG_IFXMIPS_ETHERNET_D2) || defined(CONFIG_IFXMIPS_PPA) + void *opt[64]; +#else + void *opt[25]; +#endif + /* Pointer to the peripheral device who is using this channel */ + void *dma_dev; + /* channel operations */ + void (*open)(struct dma_channel_info *pCh); + void (*close)(struct dma_channel_info *pCh); + void (*reset)(struct dma_channel_info *pCh); + void (*enable_irq)(struct dma_channel_info *pCh); + void (*disable_irq)(struct dma_channel_info *pCh); +}; + +struct dma_device_info { + /* device name of this peripheral */ + char device_name[15]; + int reserved; + int tx_burst_len; + int rx_burst_len; + int default_weight; + int current_tx_chan; + int current_rx_chan; + int num_tx_chan; + int num_rx_chan; + int max_rx_chan_num; + int max_tx_chan_num; + struct dma_channel_info *tx_chan[20]; + struct dma_channel_info *rx_chan[20]; + /*functions, optional*/ + u8 *(*buffer_alloc)(int len, int *offset, void **opt); + void (*buffer_free)(u8 *dataptr, void *opt); + int (*intr_handler)(struct dma_device_info *info, int status); + void *priv; /* used by peripheral driver only */ +}; + +struct dma_device_info *dma_device_reserve(char *dev_name); +void dma_device_release(struct dma_device_info *dev); +void dma_device_register(struct dma_device_info *info); +void dma_device_unregister(struct dma_device_info *info); +int dma_device_read(struct dma_device_info *info, u8 **dataptr, void **opt); +int dma_device_write(struct dma_device_info *info, u8 *dataptr, int len, + void *opt); + +#endif + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h new file mode 100644 index 0000000000..4c9396ae88 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_ebu.h @@ -0,0 +1,23 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_EBU_H__ +#define _IFXMIPS_EBU_H__ + +extern spinlock_t ebu_lock; + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h new file mode 100644 index 0000000000..a4c8c3ffb1 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gpio.h @@ -0,0 +1,40 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_GPIO_H__ +#define _IFXMIPS_GPIO_H__ + +extern int ifxmips_port_reserve_pin(unsigned int port, unsigned int pin); +extern int ifxmips_port_free_pin(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_open_drain(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_open_drain(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_pudsel(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_pudsel(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_puden(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_puden(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_stoff(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_stoff(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_dir_out(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_dir_in(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_output(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_output(unsigned int port, unsigned int pin); +extern int ifxmips_port_get_input(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_altsel0(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_altsel0(unsigned int port, unsigned int pin); +extern int ifxmips_port_set_altsel1(unsigned int port, unsigned int pin); +extern int ifxmips_port_clear_altsel1(unsigned int port, unsigned int pin); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h new file mode 100644 index 0000000000..330c3cfd55 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_gptu.h @@ -0,0 +1,155 @@ +#ifndef __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ +#define __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ + + +/****************************************************************************** + Copyright (c) 2002, Infineon Technologies. All rights reserved. + + No Warranty + Because the program is licensed free of charge, there is no warranty for + the program, to the extent permitted by applicable law. Except when + otherwise stated in writing the copyright holders and/or other parties + provide the program "as is" without warranty of any kind, either + expressed or implied, including, but not limited to, the implied + warranties of merchantability and fitness for a particular purpose. The + entire risk as to the quality and performance of the program is with + you. should the program prove defective, you assume the cost of all + necessary servicing, repair or correction. + + In no event unless required by applicable law or agreed to in writing + will any copyright holder, or any other party who may modify and/or + redistribute the program as permitted above, be liable to you for + damages, including any general, special, incidental or consequential + damages arising out of the use or inability to use the program + (including but not limited to loss of data or data being rendered + inaccurate or losses sustained by you or third parties or a failure of + the program to operate with any other programs), even if such holder or + other party has been advised of the possibility of such damages. +******************************************************************************/ + + +/* + * #################################### + * Definition + * #################################### + */ + +/* + * Available Timer/Counter Index + */ +#define TIMER(n, X) (n * 2 + (X ? 1 : 0)) +#define TIMER_ANY 0x00 +#define TIMER1A TIMER(1, 0) +#define TIMER1B TIMER(1, 1) +#define TIMER2A TIMER(2, 0) +#define TIMER2B TIMER(2, 1) +#define TIMER3A TIMER(3, 0) +#define TIMER3B TIMER(3, 1) + +/* + * Flag of Timer/Counter + * These flags specify the way in which timer is configured. + */ +/* Bit size of timer/counter. */ +#define TIMER_FLAG_16BIT 0x0000 +#define TIMER_FLAG_32BIT 0x0001 +/* Switch between timer and counter. */ +#define TIMER_FLAG_TIMER 0x0000 +#define TIMER_FLAG_COUNTER 0x0002 +/* Stop or continue when overflowing/underflowing. */ +#define TIMER_FLAG_ONCE 0x0000 +#define TIMER_FLAG_CYCLIC 0x0004 +/* Count up or counter down. */ +#define TIMER_FLAG_UP 0x0000 +#define TIMER_FLAG_DOWN 0x0008 +/* Count on specific level or edge. */ +#define TIMER_FLAG_HIGH_LEVEL_SENSITIVE 0x0000 +#define TIMER_FLAG_LOW_LEVEL_SENSITIVE 0x0040 +#define TIMER_FLAG_RISE_EDGE 0x0010 +#define TIMER_FLAG_FALL_EDGE 0x0020 +#define TIMER_FLAG_ANY_EDGE 0x0030 +/* Signal is syncronous to module clock or not. */ +#define TIMER_FLAG_UNSYNC 0x0000 +#define TIMER_FLAG_SYNC 0x0080 +/* Different interrupt handle type. */ +#define TIMER_FLAG_NO_HANDLE 0x0000 +#if defined(__KERNEL__) + #define TIMER_FLAG_CALLBACK_IN_IRQ 0x0100 +#endif // defined(__KERNEL__) +#define TIMER_FLAG_SIGNAL 0x0300 +/* Internal clock source or external clock source */ +#define TIMER_FLAG_INT_SRC 0x0000 +#define TIMER_FLAG_EXT_SRC 0x1000 + + +/* + * ioctl Command + */ +#define GPTU_REQUEST_TIMER 0x01 /* General method to setup timer/counter. */ +#define GPTU_FREE_TIMER 0x02 /* Free timer/counter. */ +#define GPTU_START_TIMER 0x03 /* Start or resume timer/counter. */ +#define GPTU_STOP_TIMER 0x04 /* Suspend timer/counter. */ +#define GPTU_GET_COUNT_VALUE 0x05 /* Get current count value. */ +#define GPTU_CALCULATE_DIVIDER 0x06 /* Calculate timer divider from given freq.*/ +#define GPTU_SET_TIMER 0x07 /* Simplified method to setup timer. */ +#define GPTU_SET_COUNTER 0x08 /* Simplified method to setup counter. */ + +/* + * Data Type Used to Call ioctl + */ +struct gptu_ioctl_param { + unsigned int timer; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and * + * GPTU_SET_COUNTER, this field is ID of expected * + * timer/counter. If it's zero, a timer/counter would * + * be dynamically allocated and ID would be stored in * + * this field. * + * In command GPTU_GET_COUNT_VALUE, this field is * + * ignored. * + * In other command, this field is ID of timer/counter * + * allocated. */ + unsigned int flag; /* In command GPTU_REQUEST_TIMER, GPTU_SET_TIMER, and * + * GPTU_SET_COUNTER, this field contains flags to * + * specify how to configure timer/counter. * + * In command GPTU_START_TIMER, zero indicate start * + * and non-zero indicate resume timer/counter. * + * In other command, this field is ignored. */ + unsigned long value; /* In command GPTU_REQUEST_TIMER, this field contains * + * init/reload value. * + * In command GPTU_SET_TIMER, this field contains * + * frequency (0.001Hz) of timer. * + * In command GPTU_GET_COUNT_VALUE, current count * + * value would be stored in this field. * + * In command GPTU_CALCULATE_DIVIDER, this field * + * contains frequency wanted, and after calculation, * + * divider would be stored in this field to overwrite * + * the frequency. * + * In other command, this field is ignored. */ + int pid; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, * + * if signal is required, this field contains process * + * ID to which signal would be sent. * + * In other command, this field is ignored. */ + int sig; /* In command GPTU_REQUEST_TIMER and GPTU_SET_TIMER, * + * if signal is required, this field contains signal * + * number which would be sent. * + * In other command, this field is ignored. */ +}; + +/* + * #################################### + * Data Type + * #################################### + */ +typedef void (*timer_callback)(unsigned long arg); + +extern int ifxmips_request_timer(unsigned int, unsigned int, unsigned long, unsigned long, unsigned long); +extern int ifxmips_free_timer(unsigned int); +extern int ifxmips_start_timer(unsigned int, int); +extern int ifxmips_stop_timer(unsigned int); +extern int ifxmips_reset_counter_flags(u32 timer, u32 flags); +extern int ifxmips_get_count_value(unsigned int, unsigned long *); +extern u32 ifxmips_cal_divider(unsigned long); +extern int ifxmips_set_timer(unsigned int, unsigned int, int, int, unsigned int, unsigned long, unsigned long); +extern int ifxmips_set_counter(unsigned int timer, unsigned int flag, + u32 reload, unsigned long arg1, unsigned long arg2); + +#endif /* __DANUBE_GPTU_DEV_H__2005_07_26__10_19__ */ diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h new file mode 100644 index 0000000000..89008476a5 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_irq.h @@ -0,0 +1,78 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2005 infineon + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_IRQ__ +#define _IFXMIPS_IRQ__ + +#define INT_NUM_IRQ0 8 +#define INT_NUM_IM0_IRL0 (INT_NUM_IRQ0 + 0) +#define INT_NUM_IM1_IRL0 (INT_NUM_IRQ0 + 32) +#define INT_NUM_IM2_IRL0 (INT_NUM_IRQ0 + 64) +#define INT_NUM_IM3_IRL0 (INT_NUM_IRQ0 + 96) +#define INT_NUM_IM4_IRL0 (INT_NUM_IRQ0 + 128) +#define INT_NUM_IM_OFFSET (INT_NUM_IM1_IRL0 - INT_NUM_IM0_IRL0) + +#define IFXMIPSASC_TIR(x) (INT_NUM_IM3_IRL0 + (x * 7)) +#define IFXMIPSASC_RIR(x) (INT_NUM_IM3_IRL0 + (x * 7) + 2) +#define IFXMIPSASC_EIR(x) (INT_NUM_IM3_IRL0 + (x * 7) + 3) + +#define IFXMIPS_SSC_TIR (INT_NUM_IM0_IRL0 + 15) +#define IFXMIPS_SSC_RIR (INT_NUM_IM0_IRL0 + 14) +#define IFXMIPS_SSC_EIR (INT_NUM_IM0_IRL0 + 16) + +#define IFXMIPS_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21) +#define IFXMIPS_MEI_INT (INT_NUM_IM1_IRL0 + 23) + +#define IFXMIPS_TIMER6_INT (INT_NUM_IM1_IRL0 + 23) +#define IFXMIPS_USB_INT (INT_NUM_IM1_IRL0 + 22) +#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23) + +#define MIPS_CPU_TIMER_IRQ 7 + +#define IFXMIPS_DMA_CH0_INT (INT_NUM_IM2_IRL0) +#define IFXMIPS_DMA_CH1_INT (INT_NUM_IM2_IRL0 + 1) +#define IFXMIPS_DMA_CH2_INT (INT_NUM_IM2_IRL0 + 2) +#define IFXMIPS_DMA_CH3_INT (INT_NUM_IM2_IRL0 + 3) +#define IFXMIPS_DMA_CH4_INT (INT_NUM_IM2_IRL0 + 4) +#define IFXMIPS_DMA_CH5_INT (INT_NUM_IM2_IRL0 + 5) +#define IFXMIPS_DMA_CH6_INT (INT_NUM_IM2_IRL0 + 6) +#define IFXMIPS_DMA_CH7_INT (INT_NUM_IM2_IRL0 + 7) +#define IFXMIPS_DMA_CH8_INT (INT_NUM_IM2_IRL0 + 8) +#define IFXMIPS_DMA_CH9_INT (INT_NUM_IM2_IRL0 + 9) +#define IFXMIPS_DMA_CH10_INT (INT_NUM_IM2_IRL0 + 10) +#define IFXMIPS_DMA_CH11_INT (INT_NUM_IM2_IRL0 + 11) +#define IFXMIPS_DMA_CH12_INT (INT_NUM_IM2_IRL0 + 25) +#define IFXMIPS_DMA_CH13_INT (INT_NUM_IM2_IRL0 + 26) +#define IFXMIPS_DMA_CH14_INT (INT_NUM_IM2_IRL0 + 27) +#define IFXMIPS_DMA_CH15_INT (INT_NUM_IM2_IRL0 + 28) +#define IFXMIPS_DMA_CH16_INT (INT_NUM_IM2_IRL0 + 29) +#define IFXMIPS_DMA_CH17_INT (INT_NUM_IM2_IRL0 + 30) +#define IFXMIPS_DMA_CH18_INT (INT_NUM_IM2_IRL0 + 16) +#define IFXMIPS_DMA_CH19_INT (INT_NUM_IM2_IRL0 + 21) + +#define IFXMIPS_PPE_MBOX_INT (INT_NUM_IM2_IRL0 + 24) + +#define INT_NUM_IM4_IRL14 (INT_NUM_IM4_IRL0 + 14) +#define INT_NUM_IM4_IRL18 (INT_NUM_IM4_IRL0 + 18) +#define INT_NUM_IM4_IRL19 (INT_NUM_IM4_IRL0 + 19) +#define IFXMIPS_USB_OC_INT (INT_NUM_IM4_IRL0 + 23) + + +extern void ifxmips_mask_and_ack_irq(unsigned int irq_nr); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h new file mode 100644 index 0000000000..c97657a89f --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_led.h @@ -0,0 +1,26 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_LED_H__ +#define _IFXMIPS_LED_H__ + +extern void ifxmips_led_set(unsigned int led); +extern void ifxmips_led_clear(unsigned int led); +extern void ifxmips_led_blink_set(unsigned int led); +extern void ifxmips_led_blink_clear(unsigned int led); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h new file mode 100644 index 0000000000..dd1f0d6f12 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_pmu.h @@ -0,0 +1,32 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXMIPS_PMU_H__ +#define _IFXMIPS_PMU_H__ + + +#define IFXMIPS_PMU_PWDCR_DMA 0x0020 +#define IFXMIPS_PMU_PWDCR_USB 0x8041 +#define IFXMIPS_PMU_PWDCR_LED 0x0800 +#define IFXMIPS_PMU_PWDCR_GPT 0x1000 +#define IFXMIPS_PMU_PWDCR_PPE 0x2000 +#define IFXMIPS_PMU_PWDCR_FPI 0x4000 + +void ifxmips_pmu_enable(unsigned int module); +void ifxmips_pmu_disable(unsigned int module); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h new file mode 100644 index 0000000000..71012be3ce --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/ifxmips_prom.h @@ -0,0 +1,26 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + */ +#ifndef _IFXPROM_H__ +#define _IFXPROM_H__ + +extern void early_printf(const char *fmt, ...); +extern u32 *prom_get_cp1_base(void); +extern u32 prom_get_cp1_size(void); +extern int ifxmips_has_brn_block(void); + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/irq.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/irq.h new file mode 100644 index 0000000000..80342ae3a9 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/irq.h @@ -0,0 +1,28 @@ +/* + * include/asm-mips/mach-ifxmips/irq.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * + */ + +#ifndef __IFXMIPS_IRQ_H +#define __IFXMIPS_IRQ_H + +#define NR_IRQS 256 +#include_next <irq.h> + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/machine.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/machine.h new file mode 100644 index 0000000000..f014de0181 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/machine.h @@ -0,0 +1,21 @@ +#include <asm/mips_machine.h> + +enum ifxmips_mach_type { + IFXMIPS_MACH_GENERIC, + + /* Danube/Twinpass based machines */ + IFXMIPS_MACH_EASY50712, /* Danube evalkit */ + IFXMIPS_MACH_EASY4010, /* Twinpass evalkit */ + IFXMIPS_MACH_ARV4519, /* Airties WAV-221 */ + IFXMIPS_MACH_ARV452, /* Airties WAV-281, Arcor EasyboxA800 */ + + /* ASE based machines */ + IFXMIPS_MACH_EASY50601, /* ASE wave board */ + + /* AR9 based machines */ + IFXMIPS_MACH_EASY50822, /* AR9 eval board */ + + /* VR9 based machines */ + IFXMIPS_MACH_EASY80920, /* VRX200 eval board */ +}; + diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/war.h b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/war.h new file mode 100644 index 0000000000..de3584ecf6 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/include/asm/mach-ifxmips/war.h @@ -0,0 +1,24 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + */ +#ifndef __ASM_MIPS_MACH_IFXMIPS_WAR_H +#define __ASM_MIPS_MACH_IFXMIPS_WAR_H + +#define R4600_V1_INDEX_ICACHEOP_WAR 0 +#define R4600_V1_HIT_CACHEOP_WAR 0 +#define R4600_V2_HIT_CACHEOP_WAR 0 +#define R5432_CP0_INTERRUPT_WAR 0 +#define BCM1250_M3_WAR 0 +#define SIBYTE_1956_WAR 0 +#define MIPS4K_ICACHE_REFILL_WAR 0 +#define MIPS_CACHE_SYNC_WAR 0 +#define TX49XX_ICACHE_INDEX_INV_WAR 0 +#define RM9000_CDEX_SMP_WAR 0 +#define ICACHE_REFILLS_WORKAROUND_WAR 0 +#define R10000_LLSC_WAR 0 +#define MIPS34K_MISSED_ITLB_WAR 0 + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/pci/ops-ifxmips.c b/target/linux/ifxmips/files-2.6.32/arch/mips/pci/ops-ifxmips.c new file mode 100644 index 0000000000..fde6357e41 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/pci/ops-ifxmips.c @@ -0,0 +1,120 @@ +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/mm.h> +#include <asm/addrspace.h> +#include <linux/vmalloc.h> +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_ebu.h> + +#define IFXMIPS_PCI_CFG_BUSNUM_SHF 16 +#define IFXMIPS_PCI_CFG_DEVNUM_SHF 11 +#define IFXMIPS_PCI_CFG_FUNNUM_SHF 8 + +#define PCI_ACCESS_READ 0 +#define PCI_ACCESS_WRITE 1 + +extern u32 ifxmips_pci_mapped_cfg; + +static int +ifxmips_pci_config_access(unsigned char access_type, + struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data) +{ + unsigned long cfg_base; + unsigned long flags; + + u32 temp; + + /* IFXMips support slot from 0 to 15 */ + /* dev_fn 0&0x68 (AD29) is ifxmips itself */ + if ((bus->number != 0) || ((devfn & 0xf8) > 0x78) + || ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68)) + return 1; + + spin_lock_irqsave(&ebu_lock, flags); + + cfg_base = ifxmips_pci_mapped_cfg; + cfg_base |= (bus->number << IFXMIPS_PCI_CFG_BUSNUM_SHF) | (devfn << + IFXMIPS_PCI_CFG_FUNNUM_SHF) | (where & ~0x3); + + /* Perform access */ + if (access_type == PCI_ACCESS_WRITE) + { +#ifdef CONFIG_SWAP_IO_SPACE + ifxmips_w32(swab32(*data), ((u32*)cfg_base)); +#else + ifxmips_w32(*data, ((u32*)cfg_base)); +#endif + } else { + *data = ifxmips_r32(((u32*)(cfg_base))); +#ifdef CONFIG_SWAP_IO_SPACE + *data = swab32(*data); +#endif + } + wmb(); + + /* clean possible Master abort */ + cfg_base = (ifxmips_pci_mapped_cfg | (0x0 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4; + temp = ifxmips_r32(((u32*)(cfg_base))); +#ifdef CONFIG_SWAP_IO_SPACE + temp = swab32 (temp); +#endif + cfg_base = (ifxmips_pci_mapped_cfg | (0x68 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4; + ifxmips_w32(temp, ((u32*)cfg_base)); + + spin_unlock_irqrestore(&ebu_lock, flags); + + if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ)) + return 1; + + return 0; +} + +int +ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 * val) +{ + u32 data = 0; + + if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (size == 1) + *val = (data >> ((where & 3) << 3)) & 0xff; + else if (size == 2) + *val = (data >> ((where & 3) << 3)) & 0xffff; + else + *val = data; + + return PCIBIOS_SUCCESSFUL; +} + +int +ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + u32 data = 0; + + if (size == 4) + { + data = val; + } else { + if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (size == 1) + data = (data & ~(0xff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + else if (size == 2) + data = (data & ~(0xffff << ((where & 3) << 3))) | + (val << ((where & 3) << 3)); + } + + if (ifxmips_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data)) + return PCIBIOS_DEVICE_NOT_FOUND; + + return PCIBIOS_SUCCESSFUL; +} diff --git a/target/linux/ifxmips/files-2.6.32/arch/mips/pci/pci-ifxmips.c b/target/linux/ifxmips/files-2.6.32/arch/mips/pci/pci-ifxmips.c new file mode 100644 index 0000000000..6ff765e85f --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/arch/mips/pci/pci-ifxmips.c @@ -0,0 +1,209 @@ +#include <linux/types.h> +#include <linux/pci.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/mm.h> +#include <asm/addrspace.h> +#include <linux/vmalloc.h> +#include <ifxmips.h> +#include <ifxmips_irq.h> +#include <ifxmips_cgu.h> + +#define IFXMIPS_PCI_MEM_BASE 0x18000000 +#define IFXMIPS_PCI_MEM_SIZE 0x02000000 +#define IFXMIPS_PCI_IO_BASE 0x1AE00000 +#define IFXMIPS_PCI_IO_SIZE 0x00200000 + +extern int ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val); +extern int ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val); + +struct pci_ops ifxmips_pci_ops = +{ + .read = ifxmips_pci_read_config_dword, + .write = ifxmips_pci_write_config_dword +}; + +static struct resource pci_io_resource = +{ + .name = "io pci IO space", + .start = IFXMIPS_PCI_IO_BASE, + .end = IFXMIPS_PCI_IO_BASE + IFXMIPS_PCI_IO_SIZE - 1, + .flags = IORESOURCE_IO +}; + +static struct resource pci_mem_resource = +{ + .name = "ext pci memory space", + .start = IFXMIPS_PCI_MEM_BASE, + .end = IFXMIPS_PCI_MEM_BASE + IFXMIPS_PCI_MEM_SIZE - 1, + .flags = IORESOURCE_MEM +}; + +static struct pci_controller ifxmips_pci_controller = +{ + .pci_ops = &ifxmips_pci_ops, + .mem_resource = &pci_mem_resource, + .mem_offset = 0x00000000UL, + .io_resource = &pci_io_resource, + .io_offset = 0x00000000UL, +}; + +/* the cpu can can generate the 33Mhz or rely on an external clock the cgu needs the + proper setting, otherwise the cpu hangs. we have no way of runtime detecting this */ +u32 ifxmips_pci_mapped_cfg; +int ifxmips_pci_external_clock = 0; + +/* Since the PCI REQ pins can be reused for other functionality, make it possible + to exclude those from interpretation by the PCI controller */ +int ifxmips_pci_req_mask = 0xf; + +static int __init +ifxmips_pci_set_external_clk(char *str) +{ + printk("cgu: setting up external pci clock\n"); + ifxmips_pci_external_clock = 1; + return 1; +} +__setup("pci_external_clk", ifxmips_pci_set_external_clk); + +int +pcibios_plat_dev_init(struct pci_dev *dev) +{ + u8 pin; + + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + switch(pin) + { + case 0: + break; + case 1: + //falling edge level triggered:0x4, low level:0xc, rising edge:0x2 + ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_CON) | 0xc, IFXMIPS_EBU_PCC_CON); + ifxmips_w32(ifxmips_r32(IFXMIPS_EBU_PCC_IEN) | 0x10, IFXMIPS_EBU_PCC_IEN); + break; + case 2: + case 3: + case 4: + printk ("WARNING: interrupt pin %d not supported yet!\n", pin); + default: + printk ("WARNING: invalid interrupt pin %d\n", pin); + return 1; + } + return 0; +} + +static u32 calc_bar11mask(void) +{ + u32 mem, bar11mask; + + /* BAR11MASK value depends on available memory on system. */ + mem = num_physpages * PAGE_SIZE; + bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) -1)) -1)) | 8; + + return bar11mask; +} + +static void __init +ifxmips_pci_startup(void) +{ + u32 temp_buffer; + + cgu_setup_pci_clk(ifxmips_pci_external_clock); + + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OD) | (1 << 5), IFXMIPS_GPIO_P1_OD); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) | (1 << 5), IFXMIPS_GPIO_P1_DIR); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL1) & ~(1 << 5), IFXMIPS_GPIO_P1_ALTSEL1); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL0) & ~(1 << 5), IFXMIPS_GPIO_P1_ALTSEL0); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) & ~0x2000, IFXMIPS_GPIO_P1_DIR); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_DIR) | 0x4000, IFXMIPS_GPIO_P1_DIR); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL1) & ~0x6000, IFXMIPS_GPIO_P1_ALTSEL1); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_ALTSEL0) | 0x6000, IFXMIPS_GPIO_P1_ALTSEL0); + /* enable auto-switching between PCI and EBU */ + ifxmips_w32(0xa, PCI_CR_CLK_CTRL); + /* busy, i.e. configuration is not done, PCI access has to be retried */ + ifxmips_w32(ifxmips_r32(PCI_CR_PCI_MOD) & ~(1 << 24), PCI_CR_PCI_MOD); + wmb (); + /* BUS Master/IO/MEM access */ + ifxmips_w32(ifxmips_r32(PCI_CS_STS_CMD) | 7, PCI_CS_STS_CMD); + + /* enable external 2 PCI masters */ + temp_buffer = ifxmips_r32(PCI_CR_PC_ARB); + temp_buffer &= (~(ifxmips_pci_req_mask << 16)); + /* enable internal arbiter */ + temp_buffer |= (1 << INTERNAL_ARB_ENABLE_BIT); + /* enable internal PCI master reqest */ + temp_buffer &= (~(3 << PCI_MASTER0_REQ_MASK_2BITS)); + + /* enable EBU reqest */ + temp_buffer &= (~(3 << PCI_MASTER1_REQ_MASK_2BITS)); + + /* enable all external masters request */ + temp_buffer &= (~(3 << PCI_MASTER2_REQ_MASK_2BITS)); + ifxmips_w32(temp_buffer, PCI_CR_PC_ARB); + wmb (); + + ifxmips_w32(0x18000000, PCI_CR_FCI_ADDR_MAP0); + ifxmips_w32(0x18400000, PCI_CR_FCI_ADDR_MAP1); + ifxmips_w32(0x18800000, PCI_CR_FCI_ADDR_MAP2); + ifxmips_w32(0x18c00000, PCI_CR_FCI_ADDR_MAP3); + ifxmips_w32(0x19000000, PCI_CR_FCI_ADDR_MAP4); + ifxmips_w32(0x19400000, PCI_CR_FCI_ADDR_MAP5); + ifxmips_w32(0x19800000, PCI_CR_FCI_ADDR_MAP6); + ifxmips_w32(0x19c00000, PCI_CR_FCI_ADDR_MAP7); + ifxmips_w32(0x1ae00000, PCI_CR_FCI_ADDR_MAP11hg); + ifxmips_w32(calc_bar11mask(), PCI_CR_BAR11MASK); + ifxmips_w32(0, PCI_CR_PCI_ADDR_MAP11); + ifxmips_w32(0, PCI_CS_BASE_ADDR1); +#ifdef CONFIG_SWAP_IO_SPACE + /* both TX and RX endian swap are enabled */ + ifxmips_w32(ifxmips_r32(PCI_CR_PCI_EOI) | 3, PCI_CR_PCI_EOI); + wmb (); +#endif + /*TODO: disable BAR2 & BAR3 - why was this in the origianl infineon code */ + ifxmips_w32(ifxmips_r32(PCI_CR_BAR12MASK) | 0x80000000, PCI_CR_BAR12MASK); + ifxmips_w32(ifxmips_r32(PCI_CR_BAR13MASK) | 0x80000000, PCI_CR_BAR13MASK); + /*use 8 dw burst length */ + ifxmips_w32(0x303, PCI_CR_FCI_BURST_LENGTH); + ifxmips_w32(ifxmips_r32(PCI_CR_PCI_MOD) | (1 << 24), PCI_CR_PCI_MOD); + wmb(); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) & ~(1 << 5), IFXMIPS_GPIO_P1_OUT); + wmb(); + mdelay(1); + ifxmips_w32(ifxmips_r32(IFXMIPS_GPIO_P1_OUT) | (1 << 5), IFXMIPS_GPIO_P1_OUT); +} + +int __init +pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin){ + switch(slot) + { + case 13: + /* IDSEL = AD29 --> USB Host Controller */ + return (INT_NUM_IM1_IRL0 + 17); + case 14: + /* IDSEL = AD30 --> mini PCI connector */ + return (INT_NUM_IM0_IRL0 + 22); + default: + printk("Warning: no IRQ found for PCI device in slot %d, pin %d\n", slot, pin); + return 0; + } +} + +int __init +pcibios_init(void) +{ + extern int pci_probe_only; + + pci_probe_only = 0; + printk("PCI: Probing PCI hardware on host bus 0.\n"); + ifxmips_pci_startup (); + ifxmips_pci_mapped_cfg = (u32)ioremap_nocache(0x17000000, 0x800 * 16); + printk("IFXMips PCI mapped to 0x%08lX\n", (unsigned long)ifxmips_pci_mapped_cfg); + ifxmips_pci_controller.io_map_base = (unsigned long)ioremap(IFXMIPS_PCI_IO_BASE, IFXMIPS_PCI_IO_SIZE - 1); + printk("IFXMips PCI I/O mapped to 0x%08lX\n", (unsigned long)ifxmips_pci_controller.io_map_base); + register_pci_controller(&ifxmips_pci_controller); + return 0; +} + +arch_initcall(pcibios_init); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/Makefile b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/Makefile new file mode 100644 index 0000000000..f8789d6e9b --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/Makefile @@ -0,0 +1,9 @@ +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips_deu_danube.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_DES) += ifxmips_des.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_AES) += ifxmips_aes.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) += ifxmips_arc4.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) += ifxmips_sha1.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) += ifxmips_sha1_hmac.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) += ifxmips_mda5.o +obj-$(CONFIG_CRYPTO_DEV_IFXMIPS_MDA5_HMAC) += ifxmips_mda5_hmac.o diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_aes.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_aes.c new file mode 100644 index 0000000000..aa7d69905c --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_aes.c @@ -0,0 +1,1020 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx DEU driver module +*/ + +/*! + \file ifxmips_aes.c + \ingroup IFX_DEU + \brief AES Encryption Driver main file +*/ + +/*! + \defgroup IFX_AES_FUNCTIONS IFX_AES_FUNCTIONS + \ingroup IFX_DEU + \brief IFX AES driver Functions +*/ + + +/* Project Header Files */ +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/crypto.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <asm/byteorder.h> +#include <crypto/algapi.h> +#include "ifxmips_deu.h" + +/* DMA related header and variables */ +#ifdef CONFIG_CRYPTO_DEV_DMA +#include "ifxmips_deu_dma.h" +#include <asm/ifx/irq.h> +#include <asm/ifx/ifx_dma_core.h> +extern _ifx_deu_device ifx_deu[1]; +extern u32 *aes_buff_in; +extern u32 *aes_buff_out; +#ifndef CONFIG_CRYPTO_DEV_POLL_DMA +#define CONFIG_CRYPTO_DEV_POLL_DMA +#endif +#endif /* CONFIG_CRYPTO_DEV_DMA */ + +spinlock_t aes_lock; +#define CRTCL_SECT_INIT spin_lock_init(&aes_lock) +#define CRTCL_SECT_START spin_lock_irqsave(&aes_lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&aes_lock, flag) + +/* Definition of constants */ +#define AES_START IFX_AES_CON +#define AES_MIN_KEY_SIZE 16 +#define AES_MAX_KEY_SIZE 32 +#define AES_BLOCK_SIZE 16 +#define CTR_RFC3686_NONCE_SIZE 4 +#define CTR_RFC3686_IV_SIZE 8 +#define CTR_RFC3686_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE) + +/* Function decleration */ +int aes_chip_init(void); +u32 endian_swap(u32 input); +u32 input_swap(u32 input); +u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); +void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); +void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); +int aes_memory_allocate(int value); +int des_memory_allocate(int value); +void memory_release(u32 *addr); + +#ifndef CONFIG_CRYPTO_DEV_DMA +extern void ifx_deu_aes (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, + uint8_t *iv_arg, size_t nbytes, int encdec, int mode); +#else +extern void ifx_deu_aes_core (void *ctx_arg, uint8_t *out_arg, const uint8_t *in_arg, + uint8_t *iv_arg, size_t nbytes, int encdec, int mode); +#endif +/* End of function decleration */ + +struct aes_ctx { + int key_length; + u32 buf[AES_MAX_KEY_SIZE]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; +}; + + +extern int disable_deudma; + + +/*! \fn int aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets the AES keys + * \param tfm linux crypto algo transform + * \param in_key input key + * \param key_len key lengths of 16, 24 and 32 bytes supported + * \return -EINVAL - bad key length, 0 - SUCCESS +*/ +int aes_set_key (struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) +{ + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); + u32 *flags = &tfm->crt_flags; + + DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); + + if (key_len != 16 && key_len != 24 && key_len != 32) { + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; + } + + ctx->key_length = key_len; + memcpy ((u8 *) (ctx->buf), in_key, key_len); + + return 0; +} + + +#ifndef CONFIG_CRYPTO_DEV_DMA +/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) + * \ingroup IFX_AES_FUNCTIONS + * \brief main interface to AES hardware + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc, ctr + * +*/ +void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, size_t nbytes, int encdec, int mode) +#else + +/*! \fn void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, size_t nbytes, int encdec, int mode) + * \ingroup IFX_AES_FUNCTIONS + * \brief main interface to AES hardware + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc, ctr + * +*/ +void ifx_deu_aes_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, size_t nbytes, int encdec, int mode) +#endif + +{ + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ + volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; + struct aes_ctx *ctx = (struct aes_ctx *)ctx_arg; + u32 *in_key = ctx->buf; + ulong flag; + /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ + int key_len = ctx->key_length; + +#ifndef CONFIG_CRYPTO_DEV_DMA + int i = 0; + int byte_cnt = nbytes; + +#else + volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; + struct dma_device_info *dma_device = ifx_deu[0].dma_device; + //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; + int wlen = 0; + u32 *outcopy = NULL; + u32 *dword_mem_aligned_in = NULL; + +#ifdef CONFIG_CRYPTO_DEV_POLL_DMA + u32 timeout = 0; + u32 *out_dma = NULL; +#endif + +#endif + + DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", ctx, mode, encdec); + + CRTCL_SECT_START; + + /* 128, 192 or 256 bit key length */ + aes->controlr.K = key_len / 8 - 2; + if (key_len == 128 / 8) { + aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); + aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); + aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); + aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); + } + else if (key_len == 192 / 8) { + aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); + aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); + aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); + aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); + aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); + aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); + } + else if (key_len == 256 / 8) { + aes->K7R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 0)); + aes->K6R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 1)); + aes->K5R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 2)); + aes->K4R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 3)); + aes->K3R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 4)); + aes->K2R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 5)); + aes->K1R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 6)); + aes->K0R = DEU_ENDIAN_SWAP(*((u32 *) in_key + 7)); + } + else { + printk (KERN_ERR "[%s %s %d]: Invalid key_len : %d\n", __FILE__, __func__, __LINE__, key_len); + CRTCL_SECT_END; + return;// -EINVAL; + } + + /* let HW pre-process DEcryption key in any case (even if + ENcryption is used). Key Valid (KV) bit is then only + checked in decryption routine! */ + aes->controlr.PNK = 1; + +#ifdef CONFIG_CRYPTO_DEV_DMA + while (aes->controlr.BUS) { + // this will not take long + } + AES_DMA_MISC_CONFIG(); +#endif + + aes->controlr.E_D = !encdec; /* encryption */ + aes->controlr.O = mode; /* 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR */ + aes->controlr.SM = 1; /* start after writing input register */ + aes->controlr.DAU = 0; /* Disable Automatic Update of init vector */ + aes->controlr.ARS = 1; /* Autostart Select - write to IHR */ + + //aes->controlr.F = 128; //default; only for CFB and OFB modes; change only for customer-specific apps + if (mode > 0) { + aes->IV3R = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); + aes->IV2R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); + aes->IV1R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); + aes->IV0R = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); + }; + +#ifndef CONFIG_CRYPTO_DEV_DMA + i = 0; + while (byte_cnt >= 16) { + + aes->ID3R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 0)); + aes->ID2R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 1)); + aes->ID1R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 2)); + aes->ID0R = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + (i * 4) + 3)); /* start crypto */ + + while (aes->controlr.BUS) { + // this will not take long + } + + *((volatile u32 *) out_arg + (i * 4) + 0) = aes->OD3R; + *((volatile u32 *) out_arg + (i * 4) + 1) = aes->OD2R; + *((volatile u32 *) out_arg + (i * 4) + 2) = aes->OD1R; + *((volatile u32 *) out_arg + (i * 4) + 3) = aes->OD0R; + + i++; + byte_cnt -= 16; + } + +#else // dma + + /* Prepare Rx buf length used in dma psuedo interrupt */ + //deu_priv->deu_rx_buf = out_arg; + //deu_priv->deu_rx_len = nbytes; + + /* memory alignment issue */ + dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, aes_buff_in, BUFFER_IN, nbytes); + + dma->controlr.ALGO = 1; //AES + dma->controlr.BS = 0; + aes->controlr.DAU = 0; + dma->controlr.EN = 1; + + while (aes->controlr.BUS) { + // wait for AES to be ready + }; + + wlen = dma_device_write (dma_device, (u8 *)dword_mem_aligned_in, nbytes, NULL); + if (wlen != nbytes) { + dma->controlr.EN = 0; + CRTCL_SECT_END; + printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); + return; // -EINVAL; + } + + WAIT_AES_DMA_READY(); + +#ifdef CONFIG_CRYPTO_DEV_POLL_DMA + + outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, aes_buff_out, BUFFER_OUT, nbytes); + + // polling DMA rx channel + while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { + timeout++; + + if (timeout >= 333000) { + dma->controlr.EN = 0; + CRTCL_SECT_END; + printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); + return; // -EINVAL; + } + } + + WAIT_AES_DMA_READY(); + + AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); + +#else // not working at the moment.. + CRTCL_SECT_END; + + /* Sleep and wait for Rx finished */ + DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); + + CRTCL_SECT_START; +#endif + +#endif // dma + + //tc.chen : copy iv_arg back + if (mode > 0) { + *((u32 *) iv_arg) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg)); + *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); + *((u32 *) iv_arg + 2) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 2)); + *((u32 *) iv_arg + 3) = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 3)); + } + + CRTCL_SECT_END; +} + +/*! + * \fn int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets RFC3686 key + * \param tfm linux crypto algo transform + * \param in_key input key + * \param key_len key lengths of 20, 28 and 36 bytes supported; last 4 bytes is nonce + * \return 0 - SUCCESS + * -EINVAL - bad key length +*/ +int ctr_rfc3686_aes_set_key (struct crypto_tfm *tfm, const uint8_t *in_key, unsigned int key_len) +{ + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); + u32 *flags = &tfm->crt_flags; + + printk("ctr_rfc3686_aes_set_key in %s\n", __FILE__); + + memcpy(ctx->nonce, in_key + (key_len - CTR_RFC3686_NONCE_SIZE), + CTR_RFC3686_NONCE_SIZE); + + key_len -= CTR_RFC3686_NONCE_SIZE; // remove 4 bytes of nonce + + if (key_len != 16 && key_len != 24 && key_len != 32) { + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; + } + + ctx->key_length = key_len; + + memcpy ((u8 *) (ctx->buf), in_key, key_len); + + return 0; +} + +/*! \fn void ifx_deu_aes (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) + * \ingroup IFX_AES_FUNCTIONS + * \brief main interface with deu hardware in DMA mode + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc, ctr +*/ + +#ifdef CONFIG_CRYPTO_DEV_DMA +void ifx_deu_aes (void *ctx_arg, u8 * out_arg, const u8 * in_arg, + u8 * iv_arg, u32 nbytes, int encdec, int mode) +{ + u32 remain = nbytes; + u32 inc; + + while (remain > 0) + { + if (remain >= DEU_MAX_PACKET_SIZE) + { + inc = DEU_MAX_PACKET_SIZE; + } + else + { + inc = remain; + } + + remain -= inc; + + ifx_deu_aes_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); + + out_arg += inc; + in_arg += inc; + } + +} +#endif + +//definitions from linux/include/crypto.h: +//#define CRYPTO_TFM_MODE_ECB 0x00000001 +//#define CRYPTO_TFM_MODE_CBC 0x00000002 +//#define CRYPTO_TFM_MODE_CFB 0x00000004 +//#define CRYPTO_TFM_MODE_CTR 0x00000008 +//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined +//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR + +/*! \fn void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets AES hardware to ECB mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_aes_ecb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + ifx_deu_aes (ctx, dst, src, NULL, nbytes, encdec, 0); +} + +/*! \fn void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets AES hardware to CBC mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_aes_cbc (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 1); +} + +/*! \fn void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets AES hardware to OFB mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_aes_ofb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 2); +} + +/*! \fn void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets AES hardware to CFB mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_aes_cfb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 3); +} + +/*! \fn void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_AES_FUNCTIONS + * \brief sets AES hardware to CTR mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_aes_ctr (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + ifx_deu_aes (ctx, dst, src, iv, nbytes, encdec, 4); +} + +/*! \fn void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) + * \ingroup IFX_AES_FUNCTIONS + * \brief encrypt AES_BLOCK_SIZE of data + * \param tfm linux crypto algo transform + * \param out output bytestream + * \param in input bytestream +*/ +void aes_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) +{ + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); + ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, + CRYPTO_DIR_ENCRYPT, 0); + +} + +/*! \fn void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) + * \ingroup IFX_AES_FUNCTIONS + * \brief decrypt AES_BLOCK_SIZE of data + * \param tfm linux crypto algo transform + * \param out output bytestream + * \param in input bytestream +*/ +void aes_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) +{ + struct aes_ctx *ctx = crypto_tfm_ctx(tfm); + ifx_deu_aes (ctx, out, in, NULL, AES_BLOCK_SIZE, + CRYPTO_DIR_DECRYPT, 0); +} + +/* + * \brief AES function mappings +*/ +struct crypto_alg ifxdeu_aes_alg = { + .cra_name = "aes", + .cra_driver_name = "ifxdeu-aes", + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct aes_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_aes_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = AES_MIN_KEY_SIZE, + .cia_max_keysize = AES_MAX_KEY_SIZE, + .cia_setkey = aes_set_key, + .cia_encrypt = aes_encrypt, + .cia_decrypt = aes_decrypt, + } + } +}; + +/*! \fn int ecb_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief ECB AES encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ecb_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int ecb_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief ECB AES decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ecb_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief AES function mappings +*/ +struct crypto_alg ifxdeu_ecb_aes_alg = { + .cra_name = "ecb(aes)", + .cra_driver_name = "ifxdeu-ecb(aes)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .setkey = aes_set_key, + .encrypt = ecb_aes_encrypt, + .decrypt = ecb_aes_decrypt, + } + } +}; + + +/*! \fn int cbc_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief CBC AES encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int cbc_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int cbc_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief CBC AES decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int cbc_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief AES function mappings +*/ +struct crypto_alg ifxdeu_cbc_aes_alg = { + .cra_name = "cbc(aes)", + .cra_driver_name = "ifxdeu-cbc(aes)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = aes_set_key, + .encrypt = cbc_aes_encrypt, + .decrypt = cbc_aes_decrypt, + } + } +}; + + +/*! \fn int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief Counter mode AES encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ctr_basic_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief Counter mode AES decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ctr_basic_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief AES function mappings +*/ +struct crypto_alg ifxdeu_ctr_basic_aes_alg = { + .cra_name = "ctr(aes)", + .cra_driver_name = "ifxdeu-ctr(aes)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_basic_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = AES_MAX_KEY_SIZE, + .ivsize = AES_BLOCK_SIZE, + .setkey = aes_set_key, + .encrypt = ctr_basic_aes_encrypt, + .decrypt = ctr_basic_aes_decrypt, + } + } +}; + + +/*! \fn int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief Counter mode AES (rfc3686) encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ctr_rfc3686_aes_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + u8 rfc3686_iv[16]; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + /* set up counter block */ + memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); + memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); + + /* initialize counter portion of counter block */ + *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = + cpu_to_be32(1); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, + rfc3686_iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_AES_FUNCTIONS + * \brief Counter mode AES (rfc3686) decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ctr_rfc3686_aes_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + u8 rfc3686_iv[16]; + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + /* set up counter block */ + memcpy(rfc3686_iv, ctx->nonce, CTR_RFC3686_NONCE_SIZE); + memcpy(rfc3686_iv + CTR_RFC3686_NONCE_SIZE, walk.iv, CTR_RFC3686_IV_SIZE); + + /* initialize counter portion of counter block */ + *(__be32 *)(rfc3686_iv + CTR_RFC3686_NONCE_SIZE + CTR_RFC3686_IV_SIZE) = + cpu_to_be32(1); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % AES_BLOCK_SIZE); + ifx_deu_aes_ctr(ctx, walk.dst.virt.addr, walk.src.virt.addr, + rfc3686_iv, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= AES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief AES function mappings +*/ +struct crypto_alg ifxdeu_ctr_rfc3686_aes_alg = { + .cra_name = "rfc3686(ctr(aes))", + .cra_driver_name = "ifxdeu-ctr-rfc3686(aes)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct aes_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ctr_rfc3686_aes_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = AES_MIN_KEY_SIZE, + .max_keysize = CTR_RFC3686_MAX_KEY_SIZE, + .ivsize = CTR_RFC3686_IV_SIZE, + .setkey = ctr_rfc3686_aes_set_key, + .encrypt = ctr_rfc3686_aes_encrypt, + .decrypt = ctr_rfc3686_aes_decrypt, + } + } +}; + + +/*! \fn int __init ifxdeu_init_aes (void) + * \ingroup IFX_AES_FUNCTIONS + * \brief function to initialize AES driver + * \return ret +*/ +int __init ifxdeu_init_aes (void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_aes_alg))) + goto aes_err; + + if ((ret = crypto_register_alg(&ifxdeu_ecb_aes_alg))) + goto ecb_aes_err; + + if ((ret = crypto_register_alg(&ifxdeu_cbc_aes_alg))) + goto cbc_aes_err; + + if ((ret = crypto_register_alg(&ifxdeu_ctr_basic_aes_alg))) + goto ctr_basic_aes_err; + + if ((ret = crypto_register_alg(&ifxdeu_ctr_rfc3686_aes_alg))) + goto ctr_rfc3686_aes_err; + + aes_chip_init (); + + CRTCL_SECT_INIT; + +#ifdef CONFIG_CRYPTO_DEV_DMA + if (ALLOCATE_MEMORY(BUFFER_IN, AES_ALGO) < 0) { + printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); + goto ctr_rfc3686_aes_err; + } + if (ALLOCATE_MEMORY(BUFFER_OUT, AES_ALGO) < 0) { + printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); + goto ctr_rfc3686_aes_err; + } +#endif + + printk (KERN_NOTICE "IFX DEU AES initialized %s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +ctr_rfc3686_aes_err: + crypto_unregister_alg(&ifxdeu_ctr_rfc3686_aes_alg); + printk (KERN_ERR "IFX ctr_rfc3686_aes initialization failed!\n"); + return ret; +ctr_basic_aes_err: + crypto_unregister_alg(&ifxdeu_ctr_basic_aes_alg); + printk (KERN_ERR "IFX ctr_basic_aes initialization failed!\n"); + return ret; +cbc_aes_err: + crypto_unregister_alg(&ifxdeu_cbc_aes_alg); + printk (KERN_ERR "IFX cbc_aes initialization failed!\n"); + return ret; +ecb_aes_err: + crypto_unregister_alg(&ifxdeu_ecb_aes_alg); + printk (KERN_ERR "IFX aes initialization failed!\n"); + return ret; +aes_err: + printk(KERN_ERR "IFX DEU AES initialization failed!\n"); + return ret; +} + +/*! \fn void __exit ifxdeu_fini_aes (void) + * \ingroup IFX_AES_FUNCTIONS + * \brief unregister aes driver +*/ +void __exit ifxdeu_fini_aes (void) +{ + crypto_unregister_alg (&ifxdeu_aes_alg); + crypto_unregister_alg (&ifxdeu_ecb_aes_alg); + crypto_unregister_alg (&ifxdeu_cbc_aes_alg); + crypto_unregister_alg (&ifxdeu_ctr_basic_aes_alg); + crypto_unregister_alg (&ifxdeu_ctr_rfc3686_aes_alg); + +#ifdef CONFIG_CRYPTO_DEV_DMA + FREE_MEMORY(aes_buff_in); + FREE_MEMORY(aes_buff_out); +#endif + +} + diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.c new file mode 100644 index 0000000000..b33a19de95 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.c @@ -0,0 +1,388 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_arc4.c + \ingroup IFX_DEU + \brief ARC4 encryption DEU driver file +*/ + +/*! + \defgroup IFX_ARC4_FUNCTIONS IFX_ARC4_FUNCTIONS + \ingroup IFX_DEU + \brief IFX deu driver functions +*/ + +/* Project header */ +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/crypto.h> +#include <crypto/algapi.h> +#include <linux/interrupt.h> +#include <asm/byteorder.h> +#include <linux/delay.h> +#include "ifxmips_deu.h" + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + +static spinlock_t lock; +#define CRTCL_SECT_INIT spin_lock_init(&lock) +#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) + +/* Preprocessor declerations */ +#define ARC4_MIN_KEY_SIZE 1 +//#define ARC4_MAX_KEY_SIZE 256 +#define ARC4_MAX_KEY_SIZE 16 +#define ARC4_BLOCK_SIZE 1 +#define ARC4_START IFX_ARC4_CON + +/* + * \brief arc4 private structure +*/ +struct arc4_ctx { + int key_length; + u8 buf[120]; +}; + +extern int disable_deudma; + +/*! \fn static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) + \ingroup IFX_ARC4_FUNCTIONS + \brief main interface to AES hardware + \param ctx_arg crypto algo context + \param out_arg output bytestream + \param in_arg input bytestream + \param iv_arg initialization vector + \param nbytes length of bytestream + \param encdec 1 for encrypt; 0 for decrypt + \param mode operation mode such as ebc, cbc, ctr +*/ +static void _deu_arc4 (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode) +{ + volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; + int i = 0; + ulong flag; + +#if 1 // need to handle nbytes not multiple of 16 + volatile u32 tmp_array32[4]; + volatile u8 *tmp_ptr8; + int remaining_bytes, j; +#endif + + CRTCL_SECT_START; + + arc4->IDLEN = nbytes; + +#if 1 + while (i < nbytes) { + arc4->ID3R = *((u32 *) in_arg + (i>>2) + 0); + arc4->ID2R = *((u32 *) in_arg + (i>>2) + 1); + arc4->ID1R = *((u32 *) in_arg + (i>>2) + 2); + arc4->ID0R = *((u32 *) in_arg + (i>>2) + 3); + + arc4->controlr.GO = 1; + + while (arc4->controlr.BUS) { + // this will not take long + } + +#if 1 + // need to handle nbytes not multiple of 16 + tmp_array32[0] = arc4->OD3R; + tmp_array32[1] = arc4->OD2R; + tmp_array32[2] = arc4->OD1R; + tmp_array32[3] = arc4->OD0R; + + remaining_bytes = nbytes - i; + if (remaining_bytes > 16) + remaining_bytes = 16; + + tmp_ptr8 = (u8 *)&tmp_array32[0]; + for (j = 0; j < remaining_bytes; j++) + *out_arg++ = *tmp_ptr8++; +#else + *((u32 *) out_arg + (i>>2) + 0) = arc4->OD3R; + *((u32 *) out_arg + (i>>2) + 1) = arc4->OD2R; + *((u32 *) out_arg + (i>>2) + 2) = arc4->OD1R; + *((u32 *) out_arg + (i>>2) + 3) = arc4->OD0R; +#endif + + i += 16; + } +#else // dma + + +#endif // dma + + CRTCL_SECT_END; +} + +/*! \fn arc4_chip_init (void) + \ingroup IFX_ARC4_FUNCTIONS + \brief initialize arc4 hardware +*/ +static void arc4_chip_init (void) +{ + //do nothing +} + +/*! \fn static int arc4_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) + \ingroup IFX_ARC4_FUNCTIONS + \brief sets ARC4 key + \param tfm linux crypto algo transform + \param in_key input key + \param key_len key lengths less than or equal to 16 bytes supported +*/ +static int arc4_set_key(struct crypto_tfm *tfm, const u8 *inkey, + unsigned int key_len) +{ + //struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); + volatile struct arc4_t *arc4 = (struct arc4_t *) ARC4_START; + + u32 *in_key = (u32 *)inkey; + + // must program all bits at one go?!!! +#if 1 +//#ifndef CONFIG_CRYPTO_DEV_VR9_DMA + *IFX_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) ); + //NDC=1,ENDI=1,GO=0,KSAE=1,SM=0 + + arc4->K3R = *((u32 *) in_key + 0); + arc4->K2R = *((u32 *) in_key + 1); + arc4->K1R = *((u32 *) in_key + 2); + arc4->K0R = *((u32 *) in_key + 3); +#else //dma + *AMAZONS_ARC4_CON = ( (1<<31) | ((key_len - 1)<<27) | (1<<26) | (3<<16) | (1<<4) ); + //NDC=1,ENDI=1,GO=0,KSAE=1,SM=1 + + arc4->K3R = *((u32 *) in_key + 0); + arc4->K2R = *((u32 *) in_key + 1); + arc4->K1R = *((u32 *) in_key + 2); + arc4->K0R = *((u32 *) in_key + 3); + +#if 0 + arc4->K3R = endian_swap(*((u32 *) in_key + 0)); + arc4->K2R = endian_swap(*((u32 *) in_key + 1)); + arc4->K1R = endian_swap(*((u32 *) in_key + 2)); + arc4->K0R = endian_swap(*((u32 *) in_key + 3)); +#endif + +#endif + +#if 0 // arc4 is a ugly state machine, KSAE can only be set once per session + ctx->key_length = key_len; + + memcpy ((u8 *) (ctx->buf), in_key, key_len); +#endif + + return 0; +} + +/*! \fn static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + \ingroup IFX_ARC4_FUNCTIONS + \brief sets ARC4 hardware to ECB mode + \param ctx crypto algo context + \param dst output bytestream + \param src input bytestream + \param iv initialization vector + \param nbytes length of bytestream + \param encdec 1 for encrypt; 0 for decrypt + \param inplace not used +*/ +static void _deu_arc4_ecb(void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + _deu_arc4 (ctx, dst, src, NULL, nbytes, encdec, 0); +} + +/*! \fn static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) + \ingroup IFX_ARC4_FUNCTIONS + \brief encrypt/decrypt ARC4_BLOCK_SIZE of data + \param tfm linux crypto algo transform + \param out output bytestream + \param in input bytestream +*/ +static void arc4_crypt(struct crypto_tfm *tfm, u8 *out, const u8 *in) +{ + struct arc4_ctx *ctx = crypto_tfm_ctx(tfm); + + _deu_arc4 (ctx, out, in, NULL, ARC4_BLOCK_SIZE, + CRYPTO_DIR_DECRYPT, CRYPTO_TFM_MODE_ECB); + +} + +/* + * \brief ARC4 function mappings +*/ +static struct crypto_alg ifxdeu_arc4_alg = { + .cra_name = "arc4", + .cra_driver_name = "ifxdeu-arc4", + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = ARC4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct arc4_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_arc4_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = ARC4_MIN_KEY_SIZE, + .cia_max_keysize = ARC4_MAX_KEY_SIZE, + .cia_setkey = arc4_set_key, + .cia_encrypt = arc4_crypt, + .cia_decrypt = arc4_crypt, + } + } +}; + +/*! \fn static int ecb_arc4_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + \ingroup IFX_ARC4_FUNCTIONS + \brief ECB ARC4 encrypt using linux crypto blkcipher + \param desc blkcipher descriptor + \param dst output scatterlist + \param src input scatterlist + \param nbytes data size in bytes +*/ +static int ecb_arc4_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(1, "\n"); + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= ARC4_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn static int ecb_arc4_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + \ingroup IFX_ARC4_FUNCTIONS + \brief ECB ARC4 decrypt using linux crypto blkcipher + \param desc blkcipher descriptor + \param dst output scatterlist + \param src input scatterlist + \param nbytes data size in bytes +*/ +static int ecb_arc4_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct arc4_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(1, "\n"); + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + _deu_arc4_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= ARC4_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief ARC4 function mappings +*/ +static struct crypto_alg ifxdeu_ecb_arc4_alg = { + .cra_name = "ecb(arc4)", + .cra_driver_name = "ifxdeu-ecb(arc4)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = ARC4_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct arc4_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_arc4_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = ARC4_MIN_KEY_SIZE, + .max_keysize = ARC4_MAX_KEY_SIZE, + .setkey = arc4_set_key, + .encrypt = ecb_arc4_encrypt, + .decrypt = ecb_arc4_decrypt, + } + } +}; + +/*! \fn int __init ifxdeu_init_arc4(void) + \ingroup IFX_ARC4_FUNCTIONS + \brief initialize arc4 driver +*/ +int __init ifxdeu_init_arc4(void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_arc4_alg))) + goto arc4_err; + + if ((ret = crypto_register_alg(&ifxdeu_ecb_arc4_alg))) + goto ecb_arc4_err; + + arc4_chip_init (); + + CRTCL_SECT_INIT; + + printk (KERN_NOTICE "IFX DEU ARC4 initialized %s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +arc4_err: + crypto_unregister_alg(&ifxdeu_arc4_alg); + printk(KERN_ERR "IFX arc4 initialization failed!\n"); + return ret; +ecb_arc4_err: + crypto_unregister_alg(&ifxdeu_ecb_arc4_alg); + printk (KERN_ERR "IFX ecb_arc4 initialization failed!\n"); + return ret; + +} + +/*! \fn void __exit ifxdeu_fini_arc4(void) + \ingroup IFX_ARC4_FUNCTIONS + \brief unregister arc4 driver +*/ +void __exit ifxdeu_fini_arc4(void) +{ + crypto_unregister_alg (&ifxdeu_arc4_alg); + crypto_unregister_alg (&ifxdeu_ecb_arc4_alg); +} + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.h b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.h new file mode 100644 index 0000000000..8cd768d2c3 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_arc4.h @@ -0,0 +1,59 @@ +#ifndef IFXMIPS_ARC4_H +#define IFXMIPS_ARC4_H + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver file +*/ + +/*! + \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DRIVERS + \ingroup IFX_DEU + \brief ifx deu definitions +*/ + +/*! + \file ifxmips_arc4.h + \brief ARC4 DEU header driver file +*/ + + + +#define ARC4_START IFX_ARC4_CON + +#ifdef CONFIG_CRYPTO_DEV_ARC4_AR9 +#include "ifxmips_deu_structs_ar9.h" +#endif +#ifdef CONFIG_CRYPTO_DEV_DMA_AR9 +#include "ifxmips_deu_structs_ar9.h" +#endif + +#ifdef CONFIG_CRYPTO_DEV_ARC4_VR9 +#include "ifxmips_deu_structs_vr9.h" +#endif +#ifdef CONFIG_CRYPTO_DEV_DMA_VR9 +#include "ifxmips_deu_structs_vr9.h" +#include <asm/ifx/irq.h> +#endif + +#endif /* IFXMIPS_ARC4_H */ diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_des.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_des.c new file mode 100644 index 0000000000..ffceb2868d --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_des.c @@ -0,0 +1,893 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver +*/ + +/*! + \file ifxmips_des.c + \ingroup IFX_DEU + \brief DES encryption DEU driver file +*/ + +/*! + \defgroup IFX_DES_FUNCTIONS IFX_DES_FUNCTIONS + \ingroup IFX_DEU + \brief IFX DES Encryption functions +*/ + +/* Project Header Files */ +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/crypto.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <asm/byteorder.h> +#include <crypto/algapi.h> +#include "ifxmips_deu.h" + +/* DMA specific header and variables */ +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +#include "ifxmips_deu_dma.h" +#include <asm/ifx/irq.h> +#include <asm/ifx/ifx_dma_core.h> +extern _ifx_deu_device ifx_deu[1]; +extern u32 *des_buff_in; +extern u32 *des_buff_out; +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA +#define CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA */ +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ + +spinlock_t des_lock; +#define CRTCL_SECT_INIT spin_lock_init(&des_lock) +#define CRTCL_SECT_START spin_lock_irqsave(&des_lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&des_lock, flag) + +/* Preprocessor declarations */ +#define DES_3DES_START IFX_DES_CON +#define DES_KEY_SIZE 8 +#define DES_EXPKEY_WORDS 32 +#define DES_BLOCK_SIZE 8 +#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) +#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) +#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE + +/* Function Declaration to prevent warning messages */ +void des_chip_init (void); +u32 endian_swap(u32 input); +u32 input_swap(u32 input); +int aes_memory_allocate(int value); +int des_memory_allocate(int value); +void memory_release(u32 *buffer); +u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); +void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); +void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode); +#else +void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode); +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ + +struct des_ctx { + int controlr_M; + int key_length; + u8 iv[DES_BLOCK_SIZE]; + u32 expkey[DES3_EDE_EXPKEY_WORDS]; +}; + +extern int disable_deudma; + +/*! \fn int des_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets DES key + * \param tfm linux crypto algo transform + * \param key input key + * \param key_len key length +*/ +int des_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int key_len) +{ + struct des_ctx *ctx = crypto_tfm_ctx(tfm); + + DPRINTF(0, "ctx @%p, key_len %d %d\n", ctx, key_len); + + ctx->controlr_M = 0; /* des */ + ctx->key_length = key_len; + + memcpy ((u8 *) (ctx->expkey), key, key_len); + + return 0; +} + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) + * \ingroup IFX_DES_FUNCTIONS + * \brief main interface to DES hardware + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc +*/ + +void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode) +#else +/*! \fn void ifx_deu_des_core(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) + * \ingroup IFX_DES_FUNCTIONS + * \brief main interface to DES hardware + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc +*/ + +void ifx_deu_des_core (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode) +#endif +{ + volatile struct des_t *des = (struct des_t *) DES_3DES_START; + struct des_ctx *dctx = ctx_arg; + u32 *key = dctx->expkey; + ulong flag; + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + int i = 0; + int nblocks = 0; +#else + volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; + struct dma_device_info *dma_device = ifx_deu[0].dma_device; + //deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_device->priv; + int wlen = 0; + u32 *outcopy = NULL; + u32 *dword_mem_aligned_in = NULL; + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA + u32 timeout = 0; + u32 *out_dma = NULL; +#endif + +#endif + + DPRINTF(0, "ctx @%p, mode %d, encdec %d\n", dctx, mode, encdec); + + CRTCL_SECT_START; + + des->controlr.E_D = !encdec; /* encryption */ + des->controlr.O = mode; /* 0 ECB, 1 CBC, 2 OFB, 3 CFB, 4 CTR */ + des->controlr.SM = 1; /* start after writing input register */ + des->controlr.DAU = 0; /* Disable Automatic Update of init vector */ + des->controlr.ARS = 1; /* Autostart Select - write to IHR */ + + des->controlr.M = dctx->controlr_M; + /* write keys */ + if (dctx->controlr_M == 0) { + /* DES mode */ + des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); + des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); +#ifdef CRYPTO_DEBUG + printk ("key1: %x\n", (*((u32 *) key + 0))); + printk ("key2: %x\n", (*((u32 *) key + 1))); +#endif + } else { + /* 3DES mode (EDE-x) */ + switch (dctx->key_length) { + case 24: + des->K3HR = DEU_ENDIAN_SWAP(*((u32 *) key + 4)); + des->K3LR = DEU_ENDIAN_SWAP(*((u32 *) key + 5)); + /* no break; */ + case 16: + des->K2HR = DEU_ENDIAN_SWAP(*((u32 *) key + 2)); + des->K2LR = DEU_ENDIAN_SWAP(*((u32 *) key + 3)); + /* no break; */ + case 8: + des->K1HR = DEU_ENDIAN_SWAP(*((u32 *) key + 0)); + des->K1LR = DEU_ENDIAN_SWAP(*((u32 *) key + 1)); + break; + default: + CRTCL_SECT_END; + return; + } + } + + /* write init vector (not required for ECB mode) */ + if (mode > 0) { + des->IVHR = DEU_ENDIAN_SWAP(*(u32 *) iv_arg); + des->IVLR = DEU_ENDIAN_SWAP(*((u32 *) iv_arg + 1)); + } + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + nblocks = nbytes / 4; + + for (i = 0; i < nblocks; i += 2) { + /* wait for busy bit to clear */ + + /*--- Workaround ---------------------------------------------------- + do a dummy read to the busy flag because it is not raised early + enough in CFB/OFB 3DES modes */ +#ifdef CRYPTO_DEBUG + printk ("ihr: %x\n", (*((u32 *) in_arg + i))); + printk ("ilr: %x\n", (*((u32 *) in_arg + 1 + i))); +#endif + des->IHR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + i)); + des->ILR = INPUT_ENDIAN_SWAP(*((u32 *) in_arg + 1 + i)); /* start crypto */ + + while (des->controlr.BUS) { + /* this will not take long */ + } + + *((u32 *) out_arg + 0 + i) = des->OHR; + *((u32 *) out_arg + 1 + i) = des->OLR; + +#ifdef CRYPTO_DEBUG + printk ("ohr: %x\n", (*((u32 *) out_arg + i))); + printk ("olr: %x\n", (*((u32 *) out_arg + 1 + i))); +#endif + } + +#else /* dma mode */ + + /* Prepare Rx buf length used in dma psuedo interrupt */ + //deu_priv->deu_rx_buf = out_arg; + //deu_priv->deu_rx_len = nbytes; + + /* memory alignment issue */ + dword_mem_aligned_in = (u32 *) DEU_DWORD_REORDERING(in_arg, des_buff_in, BUFFER_IN, nbytes); + + dma->controlr.ALGO = 0; //DES + des->controlr.DAU = 0; + dma->controlr.BS = 0; + dma->controlr.EN = 1; + + while (des->controlr.BUS) { + // wait for AES to be ready + }; + + wlen = dma_device_write (dma_device, (u8 *) dword_mem_aligned_in, nbytes, NULL); + if (wlen != nbytes) { + dma->controlr.EN = 0; + CRTCL_SECT_END; + printk (KERN_ERR "[%s %s %d]: dma_device_write fail!\n", __FILE__, __func__, __LINE__); + return; // -EINVAL; + } + + WAIT_DES_DMA_READY(); + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_POLL_DMA + + outcopy = (u32 *) DEU_DWORD_REORDERING(out_arg, des_buff_out, BUFFER_OUT, nbytes); + + // polling DMA rx channel + while ((dma_device_read (dma_device, (u8 **) &out_dma, NULL)) == 0) { + timeout++; + + if (timeout >= 333000) { + dma->controlr.EN = 0; + CRTCL_SECT_END; + printk (KERN_ERR "[%s %s %d]: timeout!!\n", __FILE__, __func__, __LINE__); + return; // -EINVAL; + } + } + + WAIT_DES_DMA_READY(); + + DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes); + +#else + + CRTCL_SECT_END; /* Sleep and wait for Rx finished */ + DEU_WAIT_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); + CRTCL_SECT_START; + +#endif + +#endif /* dma mode */ + + if (mode > 0) { + *(u32 *) iv_arg = DEU_ENDIAN_SWAP(des->IVHR); + *((u32 *) iv_arg + 1) = DEU_ENDIAN_SWAP(des->IVLR); + }; + + CRTCL_SECT_END; +} + +//definitions from linux/include/crypto.h: +//#define CRYPTO_TFM_MODE_ECB 0x00000001 +//#define CRYPTO_TFM_MODE_CBC 0x00000002 +//#define CRYPTO_TFM_MODE_CFB 0x00000004 +//#define CRYPTO_TFM_MODE_CTR 0x00000008 +//#define CRYPTO_TFM_MODE_OFB 0x00000010 // not even defined +//but hardware definition: 0 ECB 1 CBC 2 OFB 3 CFB 4 CTR + +/*! \fn void ifx_deu_des(void *ctx_arg, u8 *out_arg, const u8 *in_arg, u8 *iv_arg, u32 nbytes, int encdec, int mode) + * \ingroup IFX_DES_FUNCTIONS + * \brief main interface to DES hardware + * \param ctx_arg crypto algo context + * \param out_arg output bytestream + * \param in_arg input bytestream + * \param iv_arg initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param mode operation mode such as ebc, cbc +*/ + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +void ifx_deu_des (void *ctx_arg, u8 *out_arg, const u8 *in_arg, + u8 *iv_arg, u32 nbytes, int encdec, int mode) +{ + u32 remain = nbytes; + u32 inc; + + DPRINTF(0, "\n"); + + while (remain > 0) + { + if (remain >= DEU_MAX_PACKET_SIZE) + { + inc = DEU_MAX_PACKET_SIZE; + } + else + { + inc = remain; + } + + remain -= inc; + + ifx_deu_des_core(ctx_arg, out_arg, in_arg, iv_arg, inc, encdec, mode); + + out_arg += inc; + in_arg += inc; + } +} +#endif + + +/*! \fn void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets DES hardware to ECB mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ + +void ifx_deu_des_ecb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, dst, src, NULL, nbytes, encdec, 0); +} + +/*! \fn void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets DES hardware to CBC mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_des_cbc (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 1); +} + +/*! \fn void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets DES hardware to OFB mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_des_ofb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 2); +} + +/*! \fn void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + \ingroup IFX_DES_FUNCTIONS + \brief sets DES hardware to CFB mode + \param ctx crypto algo context + \param dst output bytestream + \param src input bytestream + \param iv initialization vector + \param nbytes length of bytestream + \param encdec 1 for encrypt; 0 for decrypt + \param inplace not used +*/ +void ifx_deu_des_cfb (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 3); +} + +/*! \fn void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, uint8_t *iv, size_t nbytes, int encdec, int inplace) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets DES hardware to CTR mode + * \param ctx crypto algo context + * \param dst output bytestream + * \param src input bytestream + * \param iv initialization vector + * \param nbytes length of bytestream + * \param encdec 1 for encrypt; 0 for decrypt + * \param inplace not used +*/ +void ifx_deu_des_ctr (void *ctx, uint8_t *dst, const uint8_t *src, + uint8_t *iv, size_t nbytes, int encdec, int inplace) +{ + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, dst, src, iv, nbytes, encdec, 4); +} + +/*! \fn void des_encrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) + * \ingroup IFX_DES_FUNCTIONS + * \brief encrypt DES_BLOCK_SIZE of data + * \param tfm linux crypto algo transform + * \param out output bytestream + * \param in input bytestream +*/ +void des_encrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) +{ + struct des_ctx *ctx = crypto_tfm_ctx(tfm); + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_ENCRYPT, 0); +} + +/*! \fn void des_decrypt (struct crypto_tfm *tfm, uint8_t *out, const uint8_t *in) + * \ingroup IFX_DES_FUNCTIONS + * \brief encrypt DES_BLOCK_SIZE of data + * \param tfm linux crypto algo transform + * \param out output bytestream + * \param in input bytestream +*/ +void des_decrypt (struct crypto_tfm *tfm, uint8_t * out, const uint8_t * in) +{ + struct des_ctx *ctx = crypto_tfm_ctx(tfm); + DPRINTF(0, "ctx @%p\n", ctx); + ifx_deu_des (ctx, out, in, NULL, DES_BLOCK_SIZE, CRYPTO_DIR_DECRYPT, 0); +} + +/* + * \brief RFC2451: + * + * For DES-EDE3, there is no known need to reject weak or + * complementation keys. Any weakness is obviated by the use of + * multiple keys. + * + * However, if the first two or last two independent 64-bit keys are + * equal (k1 == k2 or k2 == k3), then the DES3 operation is simply the + * same as DES. Implementers MUST reject keys that exhibit this + * property. + * + */ + +/*! \fn int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) + * \ingroup IFX_DES_FUNCTIONS + * \brief sets 3DES key + * \param tfm linux crypto algo transform + * \param key input key + * \param keylen key length +*/ +int des3_ede_setkey(struct crypto_tfm *tfm, const u8 *key, + unsigned int key_len) +{ + struct des_ctx *ctx = crypto_tfm_ctx(tfm); + + DPRINTF(0, "ctx @%p, key_len %d\n", ctx, key_len); + + ctx->controlr_M = key_len / 8 + 1; // 3DES EDE1 / EDE2 / EDE3 Mode + ctx->key_length = key_len; + + memcpy ((u8 *) (ctx->expkey), key, key_len); + + return 0; +} + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_des_alg = { + .cra_name = "des", + .cra_driver_name = "ifxdeu-des", + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 3, + .cra_list = LIST_HEAD_INIT(ifxdeu_des_alg.cra_list), + .cra_u = { .cipher = { + .cia_min_keysize = DES_KEY_SIZE, + .cia_max_keysize = DES_KEY_SIZE, + .cia_setkey = des_setkey, + .cia_encrypt = des_encrypt, + .cia_decrypt = des_decrypt } } +}; + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_des3_ede_alg = { + .cra_name = "des3_ede", + .cra_driver_name = "ifxdeu-des3_ede", + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 3, + .cra_list = LIST_HEAD_INIT(ifxdeu_des3_ede_alg.cra_list), + .cra_u = { .cipher = { + .cia_min_keysize = DES_KEY_SIZE, + .cia_max_keysize = DES_KEY_SIZE, + .cia_setkey = des3_ede_setkey, + .cia_encrypt = des_encrypt, + .cia_decrypt = des_decrypt } } +}; + +/*! \fn int ecb_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_DES_FUNCTIONS + * \brief ECB DES encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes +*/ +int ecb_des_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(0, "ctx @%p\n", ctx); + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % DES_BLOCK_SIZE); + ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= DES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int ecb_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_DES_FUNCTIONS + * \brief ECB DES decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int ecb_des_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(0, "ctx @%p\n", ctx); + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + nbytes -= (nbytes % DES_BLOCK_SIZE); + ifx_deu_des_ecb(ctx, walk.dst.virt.addr, walk.src.virt.addr, + NULL, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= DES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_ecb_des_alg = { + .cra_name = "ecb(des)", + .cra_driver_name = "ifxdeu-ecb(des)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .setkey = des_setkey, + .encrypt = ecb_des_encrypt, + .decrypt = ecb_des_decrypt, + } + } +}; + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_ecb_des3_ede_alg = { + .cra_name = "ecb(des3_ede)", + .cra_driver_name = "ifxdeu-ecb(des3_ede)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_ecb_des3_ede_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .setkey = des3_ede_setkey, + .encrypt = ecb_des_encrypt, + .decrypt = ecb_des_decrypt, + } + } +}; + +/*! \fn int cbc_des_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_DES_FUNCTIONS + * \brief CBC DES encrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int cbc_des_encrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(0, "ctx @%p\n", ctx); + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + //printk("iv = %08x\n", *(u32 *)iv); + nbytes -= (nbytes % DES_BLOCK_SIZE); + ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_ENCRYPT, 0); + nbytes &= DES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/*! \fn int cbc_des_decrypt(struct blkcipher_desc *desc, struct scatterlist *dst, struct scatterlist *src, unsigned int nbytes) + * \ingroup IFX_DES_FUNCTIONS + * \brief CBC DES decrypt using linux crypto blkcipher + * \param desc blkcipher descriptor + * \param dst output scatterlist + * \param src input scatterlist + * \param nbytes data size in bytes + * \return err +*/ +int cbc_des_decrypt(struct blkcipher_desc *desc, + struct scatterlist *dst, struct scatterlist *src, + unsigned int nbytes) +{ + struct des_ctx *ctx = crypto_blkcipher_ctx(desc->tfm); + struct blkcipher_walk walk; + int err; + + DPRINTF(0, "ctx @%p\n", ctx); + + blkcipher_walk_init(&walk, dst, src, nbytes); + err = blkcipher_walk_virt(desc, &walk); + + while ((nbytes = walk.nbytes)) { + u8 *iv = walk.iv; + //printk("iv = %08x\n", *(u32 *)iv); + nbytes -= (nbytes % DES_BLOCK_SIZE); + ifx_deu_des_cbc(ctx, walk.dst.virt.addr, walk.src.virt.addr, + iv, nbytes, CRYPTO_DIR_DECRYPT, 0); + nbytes &= DES_BLOCK_SIZE - 1; + err = blkcipher_walk_done(desc, &walk, nbytes); + } + + return err; +} + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_cbc_des_alg = { + .cra_name = "cbc(des)", + .cra_driver_name = "ifxdeu-cbc(des)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = DES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = DES_KEY_SIZE, + .max_keysize = DES_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des_setkey, + .encrypt = cbc_des_encrypt, + .decrypt = cbc_des_decrypt, + } + } +}; + +/* + * \brief DES function mappings +*/ +struct crypto_alg ifxdeu_cbc_des3_ede_alg = { + .cra_name = "cbc(des3_ede)", + .cra_driver_name = "ifxdeu-cbc(des3_ede)", + .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER, + .cra_blocksize = DES3_EDE_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct des_ctx), + .cra_type = &crypto_blkcipher_type, + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_cbc_des3_ede_alg.cra_list), + .cra_u = { + .blkcipher = { + .min_keysize = DES3_EDE_KEY_SIZE, + .max_keysize = DES3_EDE_KEY_SIZE, + .ivsize = DES_BLOCK_SIZE, + .setkey = des3_ede_setkey, + .encrypt = cbc_des_encrypt, + .decrypt = cbc_des_decrypt, + } + } +}; + +/*! \fn int __init ifxdeu_init_des (void) + * \ingroup IFX_DES_FUNCTIONS + * \brief initialize des driver +*/ +int __init ifxdeu_init_des (void) +{ + int ret = 0; + + ret = crypto_register_alg(&ifxdeu_des_alg); + if (ret < 0) + goto des_err; + + ret = crypto_register_alg(&ifxdeu_ecb_des_alg); + if (ret < 0) + goto ecb_des_err; + + ret = crypto_register_alg(&ifxdeu_cbc_des_alg); + if (ret < 0) + goto cbc_des_err; + + ret = crypto_register_alg(&ifxdeu_des3_ede_alg); + if (ret < 0) + goto des3_ede_err; + + ret = crypto_register_alg(&ifxdeu_ecb_des3_ede_alg); + if (ret < 0) + goto ecb_des3_ede_err; + + ret = crypto_register_alg(&ifxdeu_cbc_des3_ede_alg); + if (ret < 0) + goto cbc_des3_ede_err; + + des_chip_init(); + + CRTCL_SECT_INIT; + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + if (ALLOCATE_MEMORY(BUFFER_IN, DES_ALGO) < 0) { + printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); + goto cbc_des3_ede_err; + } + if (ALLOCATE_MEMORY(BUFFER_OUT, DES_ALGO) < 0) { + printk(KERN_ERR "[%s %s %d]: malloc memory fail!\n", __FILE__, __func__, __LINE__); + goto cbc_des3_ede_err; + } +#endif + + printk (KERN_NOTICE "IFX DEU DES initialized %s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +des_err: + crypto_unregister_alg(&ifxdeu_des_alg); + printk(KERN_ERR "IFX des initialization failed!\n"); + return ret; +ecb_des_err: + crypto_unregister_alg(&ifxdeu_ecb_des_alg); + printk (KERN_ERR "IFX ecb_des initialization failed!\n"); + return ret; +cbc_des_err: + crypto_unregister_alg(&ifxdeu_cbc_des_alg); + printk (KERN_ERR "IFX cbc_des initialization failed!\n"); + return ret; +des3_ede_err: + crypto_unregister_alg(&ifxdeu_des3_ede_alg); + printk(KERN_ERR "IFX des3_ede initialization failed!\n"); + return ret; +ecb_des3_ede_err: + crypto_unregister_alg(&ifxdeu_ecb_des3_ede_alg); + printk (KERN_ERR "IFX ecb_des3_ede initialization failed!\n"); + return ret; +cbc_des3_ede_err: + crypto_unregister_alg(&ifxdeu_cbc_des3_ede_alg); + printk (KERN_ERR "IFX cbc_des3_ede initialization failed!\n"); + return ret; +} + +/*! \fn void __exit ifxdeu_fini_des (void) + * \ingroup IFX_DES_FUNCTIONS + * \brief unregister des driver +*/ +void __exit ifxdeu_fini_des (void) +{ + crypto_unregister_alg (&ifxdeu_des_alg); + crypto_unregister_alg (&ifxdeu_ecb_des_alg); + crypto_unregister_alg (&ifxdeu_cbc_des_alg); + crypto_unregister_alg (&ifxdeu_des3_ede_alg); + crypto_unregister_alg (&ifxdeu_ecb_des3_ede_alg); + crypto_unregister_alg (&ifxdeu_cbc_des3_ede_alg); + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + FREE_MEMORY(des_buff_in); + FREE_MEMORY(des_buff_out); +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA_DANUBE */ +} diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.c new file mode 100644 index 0000000000..38a5ee8b74 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.c @@ -0,0 +1,190 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_deu.c + \ingroup IFX_DEU + \brief main deu driver file +*/ + +/*! + \defgroup IFX_DEU_FUNCTIONS IFX_DEU_FUNCTIONS + \ingroup IFX_DEU + \brief IFX DEU functions +*/ + +/* Project header */ +#include <linux/version.h> +#if defined(CONFIG_MODVERSIONS) +#define MODVERSIONS +#include <linux/modversions.h> +#endif +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/crypto.h> +#include <linux/proc_fs.h> +#include <linux/fs.h> /* Stuff about file systems that we need */ +#include <asm/byteorder.h> +#include <ifxmips_pmu.h> +#include "ifxmips_deu.h" + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +int disable_deudma = 0; +#else +int disable_deudma = 1; +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ + +#ifdef CRYPTO_DEBUG +char deu_debug_level = 3; +#endif + +/*! \fn static int __init deu_init (void) + * \ingroup IFX_DEU_FUNCTIONS + * \brief link all modules that have been selected in kernel config for ifx hw crypto support + * \return ret +*/ +static int __init deu_init (void) +{ + int ret = -ENOSYS; + u32 config; + + volatile struct clc_controlr_t *clc = (struct clc_controlr_t *) IFX_DEU_CLK; + + ifxmips_pmu_enable(1<<20); + + printk(KERN_INFO "Lantiq crypto hardware driver version %s\n", IFX_DEU_DRV_VERSION); + + chip_version(); + + clc->FSOE = 0; + clc->SBWE = 0; + clc->SPEN = 0; + clc->SBWE = 0; + clc->DISS = 0; + clc->DISR = 0; + + config = *IFX_DEU_ID; + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + deu_dma_init (); +#endif + +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) + if(config & IFX_DEU_ID_DES) { + if ((ret = ifxdeu_init_des ())) { + printk (KERN_ERR "IFX DES initialization failed!\n"); + } + } else { + printk (KERN_ERR "IFX DES not supported!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) + if(config & IFX_DEU_ID_AES) { + if ((ret = ifxdeu_init_aes ())) { + printk (KERN_ERR "IFX AES initialization failed!\n"); + } + } else { + printk (KERN_ERR "IFX AES not supported!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) + if ((ret = ifxdeu_init_arc4 ())) { + printk (KERN_ERR "IFX ARC4 initialization failed!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) + if(config & IFX_DEU_ID_HASH) { + if ((ret = ifxdeu_init_sha1 ())) { + printk (KERN_ERR "IFX SHA1 initialization failed!\n"); + } + } else { + printk (KERN_ERR "IFX SHA1 not supported!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) + if(config & IFX_DEU_ID_HASH) { + if ((ret = ifxdeu_init_md5 ())) { + printk (KERN_ERR "IFX MD5 initialization failed!\n"); + } + } else { + printk (KERN_ERR "IFX MD5 not supported!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) + if ((ret = ifxdeu_init_sha1_hmac ())) { + printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) + if ((ret = ifxdeu_init_md5_hmac ())) { + printk (KERN_ERR "IFX MD5_HMAC initialization failed!\n"); + } +#endif + return ret; +} + +/*! \fn static void __exit deu_fini (void) + * \ingroup IFX_DEU_FUNCTIONS + * \brief remove the loaded crypto algorithms +*/ +static void __exit deu_fini (void) +{ + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES) + ifxdeu_fini_des (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES) + ifxdeu_fini_aes (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4) + ifxdeu_fini_arc4 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1) + ifxdeu_fini_sha1 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5) + ifxdeu_fini_md5 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC) + ifxdeu_fini_sha1_hmac (); + #endif + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC) + ifxdeu_fini_md5_hmac (); + #endif + printk("DEU has exited successfully\n"); + + #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DMA) + ifxdeu_fini_dma(); + printk("DMA has deregistered successfully\n"); + #endif +} + +module_init (deu_init); +module_exit (deu_fini); + +MODULE_DESCRIPTION ("Infineon crypto engine support."); +MODULE_LICENSE ("GPL"); +MODULE_AUTHOR ("Mohammad Firdaus"); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.h b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.h new file mode 100644 index 0000000000..77bb8daefc --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu.h @@ -0,0 +1,144 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_deu.h + \brief main deu driver header file +*/ + +/*! + \defgroup IFX_DEU_DEFINITIONS IFX_DEU_DEFINITIONS + \ingroup IFX_DEU + \brief ifx deu definitions +*/ + + +#ifndef IFXMIPS_DEU_H +#define IFXMIPS_DEU_H + +#define IFX_DEU_DRV_VERSION "1.0.1" + +#include "ifxmips_deu_danube.h" + +#define IFXDEU_ALIGNMENT 16 + +#define PFX "ifxdeu: " + +#define IFXDEU_CRA_PRIORITY 300 +#define IFXDEU_COMPOSITE_PRIORITY 400 + + +#define IFX_DEU_BASE_ADDR (KSEG1 | 0x1E103100) +#define IFX_DEU_CLK ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0000)) +#define IFX_DEU_ID ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0008)) +#define IFX_DES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0010)) +#define IFX_AES_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0050)) +#define IFX_HASH_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x00B0)) +#define IFX_ARC4_CON ((volatile u32 *)(IFX_DEU_BASE_ADDR + 0x0100)) + +#define IFX_DEU_ID_REV 0x00001F +#define IFX_DEU_ID_ID 0x00FF00 +#define IFX_DEU_ID_DMA 0x010000 +#define IFX_DEU_ID_HASH 0x020000 +#define IFX_DEU_ID_AES 0x040000 +#define IFX_DEU_ID_3DES 0x080000 +#define IFX_DEU_ID_DES 0x100000 + +#define CRYPTO_DIR_ENCRYPT 1 +#define CRYPTO_DIR_DECRYPT 0 + +#undef CRYPTO_DEBUG + +#ifdef CRYPTO_DEBUG +extern char deu_debug_level; +#define DPRINTF(level, format, args...) if (level < deu_debug_level) printk(KERN_INFO "[%s %s %d]: " format, __FILE__, __func__, __LINE__, ##args); +#else +#define DPRINTF(level, format, args...) +#endif + +#define IFX_MPS (KSEG1 | 0x1F107000) + +#define IFX_MPS_CHIPID ((volatile u32*)(IFX_MPS + 0x0344)) +#define IFX_MPS_CHIPID_VERSION_GET(value) (((value) >> 28) & 0xF) +#define IFX_MPS_CHIPID_VERSION_SET(value) (((value) & 0xF) << 28) +#define IFX_MPS_CHIPID_PARTNUM_GET(value) (((value) >> 12) & 0xFFFF) +#define IFX_MPS_CHIPID_PARTNUM_SET(value) (((value) & 0xFFFF) << 12) +#define IFX_MPS_CHIPID_MANID_GET(value) (((value) >> 1) & 0x7FF) +#define IFX_MPS_CHIPID_MANID_SET(value) (((value) & 0x7FF) << 1) + +void chip_version(void); + +int __init ifxdeu_init_des (void); +int __init ifxdeu_init_aes (void); +int __init ifxdeu_init_arc4 (void); +int __init ifxdeu_init_sha1 (void); +int __init ifxdeu_init_md5 (void); +int __init ifxdeu_init_sha1_hmac (void); +int __init ifxdeu_init_md5_hmac (void); + +void __exit ifxdeu_fini_des (void); +void __exit ifxdeu_fini_aes (void); +void __exit ifxdeu_fini_arc4 (void); +void __exit ifxdeu_fini_sha1 (void); +void __exit ifxdeu_fini_md5 (void); +void __exit ifxdeu_fini_sha1_hmac (void); +void __exit ifxdeu_fini_md5_hmac (void); +void __exit ifxdeu_fini_dma(void); + +int deu_dma_init (void); + +#define DEU_WAKELIST_INIT(queue) \ + init_waitqueue_head(&queue) + +#define DEU_WAIT_EVENT_TIMEOUT(queue, event, flags, timeout) \ + do { \ + wait_event_interruptible_timeout((queue), \ + test_bit((event), &(flags)), (timeout)); \ + clear_bit((event), &(flags)); \ + }while (0) + + +#define DEU_WAKEUP_EVENT(queue, event, flags) \ + do { \ + set_bit((event), &(flags)); \ + wake_up_interruptible(&(queue)); \ + }while (0) + +#define DEU_WAIT_EVENT(queue, event, flags) \ + do { \ + wait_event_interruptible(queue, \ + test_bit((event), &(flags))); \ + clear_bit((event), &(flags)); \ + }while (0) + +typedef struct deu_drv_priv { + wait_queue_head_t deu_thread_wait; +#define DEU_EVENT 1 + volatile long deu_event_flags; + u8 *deu_rx_buf; + u32 deu_rx_len; +}deu_drv_priv_t; + +#endif /* IFXMIPS_DEU_H */ diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.c new file mode 100644 index 0000000000..a8cf8a58fd --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.c @@ -0,0 +1,443 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief deu driver module +*/ + +/*! + \file ifxmips_deu_danube.c + \ingroup IFX_DEU + \brief board specific deu driver file for danube +*/ + +/*! + \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS + \ingroup IFX_DEU + \brief board specific deu functions +*/ + +/* Project header files */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <asm/io.h> //dma_cache_inv +#include "ifxmips_deu.h" + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +u32 *des_buff_in = NULL; +u32 *des_buff_out = NULL; +u32 *aes_buff_in = NULL; +u32 *aes_buff_out = NULL; +_ifx_deu_device ifx_deu[1]; +#endif + +/* Function Declerations */ +int aes_memory_allocate(int value); +int des_memory_allocate(int value); +void memory_release(u32 *addr); +int aes_chip_init (void); +void des_chip_init (void); +int deu_dma_init (void); +u32 endian_swap(u32 input); +u32* memory_alignment(const u8 *arg, u32 *buff_alloc, int in_out, int nbytes); +void dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes); +void __exit ifxdeu_fini_dma(void); + +#define DES_3DES_START IFX_DES_CON +#define AES_START IFX_AES_CON + +/* Variables definition */ +int ifx_danube_pre_1_4; +u8 *g_dma_page_ptr = NULL; +u8 *g_dma_block = NULL; +u8 *g_dma_block2 = NULL; + + +/*! \fn int deu_dma_init (void) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief Initialize DMA for DEU usage. DMA specific registers are + * intialized here, including a pointer to the device, memory + * space for the device and DEU-DMA descriptors + * \return -1 if fail, otherwise return 0 +*/ + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA +int deu_dma_init (void) +{ + struct dma_device_info *dma_device = NULL; + int i = 0; + volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; + struct dma_device_info *deu_dma_device_ptr; + + // get one free page and share between g_dma_block and g_dma_block2 + printk("PAGE_SIZE = %ld\n", PAGE_SIZE); + g_dma_page_ptr = (u8 *)__get_free_page(GFP_KERNEL); // need 16-byte alignment memory block + g_dma_block = g_dma_page_ptr; // need 16-byte alignment memory block + g_dma_block2 = (u8 *)(g_dma_page_ptr + (PAGE_SIZE >> 1)); // need 16-byte alignment memory block + + + deu_dma_device_ptr = dma_device_reserve ("DEU"); + if (!deu_dma_device_ptr) { + printk ("DEU: reserve DMA fail!\n"); + return -1; + } + ifx_deu[0].dma_device = deu_dma_device_ptr; + dma_device = deu_dma_device_ptr; + //dma_device->priv = &deu_dma_priv; + dma_device->buffer_alloc = &deu_dma_buffer_alloc; + dma_device->buffer_free = &deu_dma_buffer_free; + dma_device->intr_handler = &deu_dma_intr_handler; + dma_device->tx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; + dma_device->rx_endianness_mode = IFX_DMA_ENDIAN_TYPE3; + dma_device->port_num = 1; + dma_device->tx_burst_len = 4; + dma_device->max_rx_chan_num = 1; + dma_device->max_tx_chan_num = 1; + dma_device->port_packet_drop_enable = 0; + + for (i = 0; i < dma_device->max_rx_chan_num; i++) { + dma_device->rx_chan[i]->packet_size = DEU_MAX_PACKET_SIZE; + dma_device->rx_chan[i]->desc_len = 1; + dma_device->rx_chan[i]->control = IFX_DMA_CH_ON; + dma_device->rx_chan[i]->byte_offset = 0; + dma_device->rx_chan[i]->chan_poll_enable = 1; + + } + + for (i = 0; i < dma_device->max_tx_chan_num; i++) { + dma_device->tx_chan[i]->control = IFX_DMA_CH_ON; + dma_device->tx_chan[i]->desc_len = 1; + dma_device->tx_chan[i]->chan_poll_enable = 1; + } + + dma_device->current_tx_chan = 0; + dma_device->current_rx_chan = 0; + + dma_device_register (dma_device); + for (i = 0; i < dma_device->max_rx_chan_num; i++) { + (dma_device->rx_chan[i])->open (dma_device->rx_chan[i]); + } + + dma->controlr.BS = 0; + dma->controlr.RXCLS = 0; + dma->controlr.EN = 1; + + + *IFX_DMA_PS = 1; + + /* DANUBE PRE 1.4 SOFTWARE FIX */ + if (ifx_danube_pre_1_4) + *IFX_DMA_PCTRL = 0x14; + else + *IFX_DMA_PCTRL = 0xF14; + + return 0; +} + +/*! \fn u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief A fix to align mis-aligned address for Danube version 1.3 chips which has + * memory alignment issues. + * \param arg Pointer to the input / output memory address + * \param buffer_alloc A pointer to the buffer + * \param in_buff Input (if == 1) or Output (if == 0) buffer + * \param nbytes Number of bytes of data + * \return returns arg: if address is aligned, buffer_alloc: if memory address is not aligned +*/ + +u32 *memory_alignment(const u8 *arg, u32 *buffer_alloc, int in_buff, int nbytes) +{ + if (ifx_danube_pre_1_4) { + /* for input buffer */ + if(in_buff) { + if (((u32) arg) & 0xF) { + memcpy(buffer_alloc, arg, nbytes); + return (u32 *) buffer_alloc; + } + else + return (u32 *) arg; + } + else { + /* for output buffer */ + if (((u32) arg) & 0x3) + return buffer_alloc; + else + return (u32 *) arg; + } + } + + return (u32 *) arg; +} + +/*! \fn void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief copy the DMA data to the memory address space for AES. The swaping of the 4 bytes + * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy + * to out_arg pointer + * \param outcopy Pointer to the address to store swapped copy + * \param out_dma A pointer to the memory address that stores the DMA data + * \param out_arg The pointer to the memory address that needs to be copied to + * \param nbytes Number of bytes of data +*/ + +void aes_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) +{ + int i = 0; + int x = 0; + + /* DANUBE PRE 1.4 SOFTWARE FIX */ + if (ifx_danube_pre_1_4) { + for (i = 0; i < (nbytes / 4); i++) { + x = i ^ 0x3; + outcopy[i] = out_dma[x]; + + } + if (((u32) out_arg) & 0x3) { + memcpy((u8 *)out_arg, outcopy, nbytes); + } + } + else + memcpy (out_arg, out_dma, nbytes); +} + +/*! \fn void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief copy the DMA data to the memory address space for DES. The swaping of the 4 bytes + * is done only for Danube version 1.3 (FIX). Otherwise, it is a direct memory copy + * to out_arg pointer + * + * \param outcopy Pointer to the address to store swapped copy + * \param out_dma A pointer to the memory address that stores the DMA data + * \param out_arg The pointer to the memory address that needs to be copied to + * \param nbytes Number of bytes of data +*/ + +void des_dma_memory_copy(u32 *outcopy, u32 *out_dma, u8 *out_arg, int nbytes) +{ + int i = 0; + int x = 0; + + /* DANUBE PRE 1.4 SOFTWARE FIX */ + if (ifx_danube_pre_1_4) { + for (i = 0; i < (nbytes / 4); i++) { + x = i ^ 1; + outcopy[i] = out_dma[x]; + + } + if (((u32) out_arg) & 0x3) { + memcpy((u8 *)out_arg, outcopy, nbytes); + } + } + else + memcpy (out_arg, out_dma, nbytes); +} + +/*! \fn int des_memory_allocate(int value) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief allocates memory to the necessary memory input/output buffer location, used during + * the DES algorithm DMA transfer (memory alignment issues) + * \param value value determinds whether the calling of the function is for a input buffer + * or for an output buffer memory allocation +*/ + +int des_memory_allocate(int value) +{ + if (ifx_danube_pre_1_4) { + if (value == BUFFER_IN) { + des_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); + if (!des_buff_in) + return -1; + else + return 0; + } + else { + des_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); + if (!des_buff_out) + return -1; + else + return 0; + } + } + + else + return 0; +} + +/*! \fn int aes_memory_allocate(int value) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief allocates memory to the necessary memory input/output buffer location, used during + * the AES algorithm DMA transfer (memory alignment issues) + * \param value value determinds whether the calling of the function is for a input buffer + * or for an output buffer memory allocation +*/ + +int aes_memory_allocate(int value) +{ + if (ifx_danube_pre_1_4) { + if (value == BUFFER_IN) { + aes_buff_in = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); + if (!aes_buff_in) + return -1; + else + return 0; + } + else { + aes_buff_out = kmalloc(DEU_MAX_PACKET_SIZE, GFP_ATOMIC); + if (!aes_buff_out) + return -1; + else + return 0; + } + } + + else + return 0; +} + +/*! \fn void memory_release(u32 *addr) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief frees previously allocated memory + * \param addr memory address of the buffer that needs to be freed +*/ + +void memory_release(u32 *addr) +{ + if (addr) + kfree(addr); + return; +} + +/*! \fn __exit ifxdeu_fini_dma(void) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief unregister dma devices after exit +*/ + +void __exit ifxdeu_fini_dma(void) +{ + if (g_dma_page_ptr) + free_page((u32) g_dma_page_ptr); + dma_device_release(ifx_deu[0].dma_device); + dma_device_unregister(ifx_deu[0].dma_device); + +} + +#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */ + +/*! \fn u32 endian_swap(u32 input) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief function is not used + * \param input Data input to be swapped + * \return input +*/ + +u32 endian_swap(u32 input) +{ + return input; +} + +/*! \fn u32 input_swap(u32 input) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief Swap the input data if the current chip is Danube version + * 1.4 and do nothing to the data if the current chip is + * Danube version 1.3 + * \param input data that needs to be swapped + * \return input or swapped input +*/ + +u32 input_swap(u32 input) +{ + if (!ifx_danube_pre_1_4) { + u8 *ptr = (u8 *)&input; + return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); + } + else + return input; +} + + + +/*! \fn void aes_chip_init (void) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief initialize AES hardware +*/ + +int aes_chip_init (void) +{ + volatile struct aes_t *aes = (struct aes_t *) AES_START; + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + //start crypto engine with write to ILR + aes->controlr.SM = 1; + aes->controlr.ARS = 1; +#else + aes->controlr.SM = 1; + aes->controlr.ARS = 1; // 0 for dma +#endif + return 0; +} + +/*! \fn void des_chip_init (void) + * \ingroup BOARD_SPECIFIC_FUNCTIONS + * \brief initialize DES hardware +*/ + +void des_chip_init (void) +{ + volatile struct des_t *des = (struct des_t *) DES_3DES_START; + +#ifndef CONFIG_CRYPTO_DEV_IFXMIPS_DMA + // start crypto engine with write to ILR + des->controlr.SM = 1; + des->controlr.ARS = 1; +#else + des->controlr.SM = 1; + des->controlr.ARS = 1; // 0 for dma + +#endif +} + +/*! \fn void chip_version (void) + * \ingroup IFX_DES_FUNCTIONS + * \brief To find the version of the chip by looking at the chip ID + * \param ifx_danube_pre_1_4 (sets to 1 if Chip is Danube less than v1.4) +*/ + +void chip_version(void) +{ + /* DANUBE PRE 1.4 SOFTWARE FIX */ + int chip_id = 0; + chip_id = *IFX_MPS_CHIPID; + chip_id >>= 28; + + if (chip_id >= 4) { + ifx_danube_pre_1_4 = 0; + printk("Danube Chip ver. 1.4 detected. \n"); + } + else { + ifx_danube_pre_1_4 = 1; + printk("Danube Chip ver. 1.3 or below detected. \n"); + } + + return; +} + diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.h b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.h new file mode 100644 index 0000000000..457e11b322 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_danube.h @@ -0,0 +1,230 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus / Infineon Technologies + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief deu driver module +*/ + +/*! + \file ifxmips_deu_danube.h + \brief board specific driver header file for danube +*/ + +/*! + \defgroup BOARD_SPECIFIC_FUNCTIONS IFX_BOARD_SPECIFIC_FUNCTIONS + \ingroup IFX_DEU + \brief board specific deu header files +*/ + +#ifndef IFXMIPS_DEU_DANUBE_H +#define IFXMIPS_DEU_DANUBE_H + +#ifdef CONFIG_CRYPTO_DEV_DMA +#define DEU_DWORD_REORDERING(ptr, buffer, in_out, bytes) memory_alignment(ptr, buffer, in_out, bytes) +#define AES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) aes_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) +#define DES_MEMORY_COPY(outcopy, out_dma, out_arg, nbytes) des_dma_memory_copy(outcopy, out_dma, out_arg, nbytes) +#define BUFFER_IN 1 +#define BUFFER_OUT 0 +#define DELAY_PERIOD 9 +#define AES_ALGO 1 +#define DES_ALGO 0 +#define FREE_MEMORY(buff) memory_release(buff) +#define ALLOCATE_MEMORY(val, type) type ? aes_memory_allocate(val) : des_memory_allocate(val) +#endif /* CONFIG_CRYPTO_DEV_DMA */ + +#define INPUT_ENDIAN_SWAP(input) input_swap(input) +#define DEU_ENDIAN_SWAP(input) endian_swap(input) +#define AES_DMA_MISC_CONFIG() + +#define WAIT_AES_DMA_READY() \ + do { \ + int i; \ + volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ + volatile struct aes_t *aes = (volatile struct aes_t *) AES_START; \ + for (i = 0; i < 10; i++) \ + udelay(DELAY_PERIOD); \ + while (dma->controlr.BSY) {}; \ + while (aes->controlr.BUS) {}; \ + } while (0) + +#define WAIT_DES_DMA_READY() \ + do { \ + int i; \ + volatile struct deu_dma_t *dma = (struct deu_dma_t *) IFX_DEU_DMA_CON; \ + volatile struct des_t *des = (struct des_t *) DES_3DES_START; \ + for (i = 0; i < 10; i++) \ + udelay(DELAY_PERIOD); \ + while (dma->controlr.BSY) {}; \ + while (des->controlr.BUS) {}; \ + } while (0) + +#define SHA_HASH_INIT \ + do { \ + volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; \ + hash->controlr.SM = 1; \ + hash->controlr.ALGO = 0; \ + hash->controlr.INIT = 1; \ + } while(0) + +/* DEU STRUCTURES */ + +struct clc_controlr_t { + u32 Res:26; + u32 FSOE:1; + u32 SBWE:1; + u32 EDIS:1; + u32 SPEN:1; + u32 DISS:1; + u32 DISR:1; + +}; + +struct des_t { + struct des_controlr { + u32 KRE:1; + u32 reserved1:5; + u32 GO:1; + u32 STP:1; + u32 Res2:6; + u32 NDC:1; + u32 ENDI:1; + u32 Res3:2; + u32 F:3; + u32 O:3; + u32 BUS:1; + u32 DAU:1; + u32 ARS:1; + u32 SM:1; + u32 E_D:1; + u32 M:3; + + } controlr; + u32 IHR; + u32 ILR; + u32 K1HR; + u32 K1LR; + u32 K2HR; + u32 K2LR; + u32 K3HR; + u32 K3LR; + u32 IVHR; + u32 IVLR; + u32 OHR; + u32 OLR; +}; + +struct aes_t { + struct aes_controlr { + + u32 KRE:1; + u32 reserved1:4; + u32 PNK:1; + u32 GO:1; + u32 STP:1; + + u32 reserved2:6; + u32 NDC:1; + u32 ENDI:1; + u32 reserved3:2; + + u32 F:3; //fbs + u32 O:3; //om + u32 BUS:1; //bsy + u32 DAU:1; + u32 ARS:1; + u32 SM:1; + u32 E_D:1; + u32 KV:1; + u32 K:2; //KL + + } controlr; + u32 ID3R; //80h + u32 ID2R; //84h + u32 ID1R; //88h + u32 ID0R; //8Ch + u32 K7R; //90h + u32 K6R; //94h + u32 K5R; //98h + u32 K4R; //9Ch + u32 K3R; //A0h + u32 K2R; //A4h + u32 K1R; //A8h + u32 K0R; //ACh + u32 IV3R; //B0h + u32 IV2R; //B4h + u32 IV1R; //B8h + u32 IV0R; //BCh + u32 OD3R; //D4h + u32 OD2R; //D8h + u32 OD1R; //DCh + u32 OD0R; //E0h +}; + +struct deu_hash_t { + struct hash_controlr { + u32 reserved1:5; + u32 KHS:1; + u32 GO:1; + u32 INIT:1; + u32 reserved2:6; + u32 NDC:1; + u32 ENDI:1; + u32 reserved3:7; + u32 DGRY:1; + u32 BSY:1; + u32 reserved4:1; + u32 IRCL:1; + u32 SM:1; + u32 KYUE:1; + u32 HMEN:1; + u32 SSEN:1; + u32 ALGO:1; + + } controlr; + u32 MR; //B4h + u32 D1R; //B8h + u32 D2R; //BCh + u32 D3R; //C0h + u32 D4R; //C4h + u32 D5R; //C8h + + u32 dummy; //CCh + + u32 KIDX; //D0h + u32 KEY; //D4h + u32 DBN; //D8h +}; + +struct deu_dma_t { + struct dma_controlr { + u32 reserved1:22; + u32 BS:2; + u32 BSY:1; + u32 reserved2:1; + u32 ALGO:2; + u32 RXCLS:2; + u32 reserved3:1; + u32 EN:1; + + } controlr; +}; + +#endif /* IFXMIPS_DEU_DANUBE_H */ diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.c new file mode 100644 index 0000000000..ebc4af048d --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.c @@ -0,0 +1,150 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup IFX_API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_deu_dma.c + \ingroup IFX_DEU + \brief DMA deu driver file +*/ + +/*! + \defgroup IFX_DMA_FUNCTIONS IFX_DMA_FUNCTIONS + \ingroup IFX_DEU + \brief deu-dma driver functions +*/ + +/* Project header files */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <asm/io.h> +#include "ifxmips_deu.h" + +extern _ifx_deu_device ifx_deu[1]; +extern spinlock_t ifx_deu_lock; + +//extern deu_drv_priv_t deu_dma_priv; + +/*! \fn int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) + * \ingroup IFX_DMA_FUNCTIONS + * \brief callback function for deu dma interrupt + * \param dma_dev dma device + * \param status not used +*/ +int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status) +{ +#if 0 + int len = 0; + while (len <= 20000) { len++; } + u8 *buf; + int len = 0; + + + deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_dev->priv; + //printk("status:%d \n",status); + switch(status) { + case RCV_INT: + len = dma_device_read(dma_dev, (u8 **)&buf, NULL); + if ( len != deu_priv->deu_rx_len) { + printk(KERN_ERR "%s packet length %d is not equal to expect %d\n", + __func__, len, deu_priv->deu_rx_len); + return -1; + } + memcpy(deu_priv->deu_rx_buf, buf, deu_priv->deu_rx_len); + /* Reset for next usage */ + deu_priv->deu_rx_buf = NULL; + deu_priv->deu_rx_len = 0; + DEU_WAKEUP_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags); + break; + case TX_BUF_FULL_INT: + // delay for buffer to be cleared + while (len <= 20000) { len++; } + break; + + case TRANSMIT_CPT_INT: + break; + default: + break; + } +#endif + return 0; +} + +extern u8 *g_dma_block; +extern u8 *g_dma_block2; + +/*! \fn u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) + * \ingroup IFX_DMA_FUNCTIONS + * \brief callback function for allocating buffers for dma receive descriptors + * \param len not used + * \param byte_offset dma byte offset + * \param *opt not used + * +*/ +u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt) +{ + u8 *swap = NULL; + + // dma-core needs at least 2 blocks of memory + swap = g_dma_block; + g_dma_block = g_dma_block2; + g_dma_block2 = swap; + + //dma_cache_wback_inv((unsigned long) g_dma_block, (PAGE_SIZE >> 1)); + *byte_offset = 0; + + return g_dma_block; +} + +/*! \fn int deu_dma_buffer_free (u8 * dataptr, void *opt) + * \ingroup IFX_DMA_FUNCTIONS + * \brief callback function for freeing dma transmit descriptors + * \param dataptr data pointer to be freed + * \param opt not used +*/ +int deu_dma_buffer_free (u8 *dataptr, void *opt) +{ +#if 0 + printk("Trying to free memory buffer\n"); + if (dataptr == NULL && opt == NULL) + return 0; + else if (opt == NULL) { + kfree(dataptr); + return 1; + } + else if (dataptr == NULL) { + kfree(opt); + return 1; + } + else { + kfree(opt); + kfree(dataptr); + } +#endif + return 0; +} + diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.h b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.h new file mode 100644 index 0000000000..666009727e --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_deu_dma.h @@ -0,0 +1,70 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \addtogroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_deu_dma.h + \ingroup IFX_DEU + \brief DMA deu driver header file +*/ + +#ifndef IFXMIPS_DEU_DMA_H +#define IFXMIPS_DEU_DMA_H + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/crypto.h> +#include <asm/scatterlist.h> +#include <asm/byteorder.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> + +// must match the size of memory block allocated for g_dma_block and g_dma_block2 +#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1) + +typedef struct ifx_deu_device { + struct dma_device_info *dma_device; + u8 *dst; + u8 *src; + int len; + int dst_count; + int src_count; + int recv_count; + int packet_size; + int packet_num; + wait_queue_t wait; +} _ifx_deu_device; + +extern _ifx_deu_device ifx_deu[1]; + +extern int deu_dma_intr_handler (struct dma_device_info *, int); +extern u8 *deu_dma_buffer_alloc (int, int *, void **); +extern int deu_dma_buffer_free (u8 *, void *); +extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev); +extern void deu_dma_activate_poll (struct dma_device_info* dma_dev); +extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device); +extern int deu_dma_release(struct dma_device_info** dma_device); + +#endif /* IFMIPS_DEU_DMA_H */ diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5.c new file mode 100644 index 0000000000..cd484ab0df --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5.c @@ -0,0 +1,264 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_md5.c + \ingroup IFX_DEU + \brief MD5 encryption deu driver file +*/ + +/*! + \defgroup IFX_MD5_FUNCTIONS IFX_MD5_FUNCTIONS + \ingroup IFX_DEU + \brief ifx deu MD5 functions +*/ + +/*Project header files */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/crypto.h> +#include <linux/types.h> +#include <asm/byteorder.h> +#include "ifxmips_deu.h" + +#define MD5_DIGEST_SIZE 16 +#define MD5_HMAC_BLOCK_SIZE 64 +#define MD5_BLOCK_WORDS 16 +#define MD5_HASH_WORDS 4 +#define HASH_START IFX_HASH_CON + +static spinlock_t lock; +#define CRTCL_SECT_INIT spin_lock_init(&lock) +#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) + +struct md5_ctx { + u32 hash[MD5_HASH_WORDS]; + u32 block[MD5_BLOCK_WORDS]; + u64 byte_count; +}; + +extern int disable_deudma; + +/*! \fn static u32 endian_swap(u32 input) + * \ingroup IFX_MD5_FUNCTIONS + * \brief perform dword level endian swap + * \param input value of dword that requires to be swapped +*/ +static u32 endian_swap(u32 input) +{ + u8 *ptr = (u8 *)&input; + + return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); +} + +/*! \fn static void md5_transform(u32 *hash, u32 const *in) + * \ingroup IFX_MD5_FUNCTIONS + * \brief main interface to md5 hardware + * \param hash current hash value + * \param in 64-byte block of input +*/ +static void md5_transform(u32 *hash, u32 const *in) +{ + int i; + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + ulong flag; + + CRTCL_SECT_START; + + for (i = 0; i < 16; i++) { + hashs->MR = endian_swap(in[i]); + }; + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + + CRTCL_SECT_END; +} + +/*! \fn static inline void md5_transform_helper(struct md5_ctx *ctx) + * \ingroup IFX_MD5_FUNCTIONS + * \brief interfacing function for md5_transform() + * \param ctx crypto context +*/ +static inline void md5_transform_helper(struct md5_ctx *ctx) +{ + //le32_to_cpu_array(ctx->block, sizeof(ctx->block) / sizeof(u32)); + md5_transform(ctx->hash, ctx->block); +} + +/*! \fn static void md5_init(struct crypto_tfm *tfm) + * \ingroup IFX_MD5_FUNCTIONS + * \brief initialize md5 hardware + * \param tfm linux crypto algo transform +*/ +static void md5_init(struct crypto_tfm *tfm) +{ + struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; + + hash->controlr.SM = 1; + hash->controlr.ALGO = 1; // 1 = md5 0 = sha1 + hash->controlr.INIT = 1; // Initialize the hash operation by writing a '1' to the INIT bit. + + mctx->byte_count = 0; +} + +/*! \fn static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) + * \ingroup IFX_MD5_FUNCTIONS + * \brief on-the-fly md5 computation + * \param tfm linux crypto algo transform + * \param data input data + * \param len size of input data +*/ +static void md5_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) +{ + struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); + + mctx->byte_count += len; + + if (avail > len) { + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, len); + return; + } + + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, avail); + + md5_transform_helper(mctx); + data += avail; + len -= avail; + + while (len >= sizeof(mctx->block)) { + memcpy(mctx->block, data, sizeof(mctx->block)); + md5_transform_helper(mctx); + data += sizeof(mctx->block); + len -= sizeof(mctx->block); + } + + memcpy(mctx->block, data, len); +} + +/*! \fn static void md5_final(struct crypto_tfm *tfm, u8 *out) + * \ingroup IFX_MD5_FUNCTIONS + * \brief compute final md5 value + * \param tfm linux crypto algo transform + * \param out final md5 output value +*/ +static void md5_final(struct crypto_tfm *tfm, u8 *out) +{ + struct md5_ctx *mctx = crypto_tfm_ctx(tfm); + const unsigned int offset = mctx->byte_count & 0x3f; + char *p = (char *)mctx->block + offset; + int padding = 56 - (offset + 1); + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + u32 flag; + + *p++ = 0x80; + if (padding < 0) { + memset(p, 0x00, padding + sizeof (u64)); + md5_transform_helper(mctx); + p = (char *)mctx->block; + padding = 56; + } + + memset(p, 0, padding); + mctx->block[14] = endian_swap(mctx->byte_count << 3); + mctx->block[15] = endian_swap(mctx->byte_count >> 29); + +#if 0 + le32_to_cpu_array(mctx->block, (sizeof(mctx->block) - + sizeof(u64)) / sizeof(u32)); +#endif + + md5_transform(mctx->hash, mctx->block); + + CRTCL_SECT_START; + + *((u32 *) out + 0) = endian_swap (hashs->D1R); + *((u32 *) out + 1) = endian_swap (hashs->D2R); + *((u32 *) out + 2) = endian_swap (hashs->D3R); + *((u32 *) out + 3) = endian_swap (hashs->D4R); + + CRTCL_SECT_END; + + // Wipe context + memset(mctx, 0, sizeof(*mctx)); +} + +/* + * \brief MD5 function mappings +*/ +static struct crypto_alg ifxdeu_md5_alg = { + .cra_name = "md5", + .cra_driver_name = "ifxdeu-md5", + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct md5_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_md5_alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = MD5_DIGEST_SIZE, + .dia_init = md5_init, + .dia_update = md5_update, + .dia_final = md5_final } } +}; + +/*! \fn int __init ifxdeu_init_md5 (void) + * \ingroup IFX_MD5_FUNCTIONS + * \brief initialize md5 driver +*/ +int __init ifxdeu_init_md5 (void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_md5_alg))) + goto md5_err; + + CRTCL_SECT_INIT; + + printk (KERN_NOTICE "IFX DEU MD5 initialized%s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +md5_err: + printk(KERN_ERR "IFX DEU MD5 initialization failed!\n"); + return ret; +} + +/*! \fn void __exit ifxdeu_fini_md5 (void) + * \ingroup IFX_MD5_FUNCTIONS + * \brief unregister md5 driver +*/ + +void __exit ifxdeu_fini_md5 (void) +{ + crypto_unregister_alg (&ifxdeu_md5_alg); +} + diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5_hmac.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5_hmac.c new file mode 100644 index 0000000000..fcd118e310 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_md5_hmac.c @@ -0,0 +1,307 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_md5_hmac.c + \ingroup IFX_DEU + \brief MD5-HMAC encryption deu driver file +*/ + +/*! + \defgroup IFX_MD5_HMAC_FUNCTIONS IFX_MD5_HMAC_FUNCTIONS + \ingroup IFX_DEU + \brief ifx md5-hmac driver functions +*/ + +/* Project Header files */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/crypto.h> +#include <linux/types.h> +#include <asm/byteorder.h> +#include "ifxmips_deu.h" + +#define MD5_DIGEST_SIZE 16 +#define MD5_HMAC_BLOCK_SIZE 64 +#define MD5_BLOCK_WORDS 16 +#define MD5_HASH_WORDS 4 +#define MD5_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround +#define HASH_START IFX_HASH_CON + +static spinlock_t lock; +#define CRTCL_SECT_INIT spin_lock_init(&lock) +#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) + +struct md5_hmac_ctx { + u32 hash[MD5_HASH_WORDS]; + u32 block[MD5_BLOCK_WORDS]; + u64 byte_count; + u32 dbn; + u32 temp[MD5_HMAC_DBN_TEMP_SIZE]; +}; + +extern int disable_deudma; + +/*! \fn static u32 endian_swap(u32 input) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief perform dword level endian swap + * \param input value of dword that requires to be swapped +*/ +static u32 endian_swap(u32 input) +{ + u8 *ptr = (u8 *)&input; + + return ((ptr[3] << 24) | (ptr[2] << 16) | (ptr[1] << 8) | ptr[0]); +} + +/*! \fn static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief save input block to context + * \param tfm linux crypto algo transform + * \param in 64-byte block of input +*/ +static void md5_hmac_transform(struct crypto_tfm *tfm, u32 const *in) +{ + struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); + + memcpy(&mctx->temp[mctx->dbn<<4], in, 64); //dbn workaround + mctx->dbn += 1; + + if ( (mctx->dbn<<4) > MD5_HMAC_DBN_TEMP_SIZE ) + { + printk("MD5_HMAC_DBN_TEMP_SIZE exceeded\n"); + } + +} + +/*! \fn int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief sets md5 hmac key + * \param tfm linux crypto algo transform + * \param key input key + * \param keylen key length greater than 64 bytes IS NOT SUPPORTED +*/ +int md5_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) +{ + volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; + int i, j; + u32 *in_key = (u32 *)key; + + hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' + asm("sync"); + + j = 0; + for (i = 0; i < keylen; i+=4) + { + hash->KIDX = j; + asm("sync"); + hash->KEY = *((u32 *) in_key + j); + j++; + } + + return 0; +} + +/*! \fn void md5_hmac_init(struct crypto_tfm *tfm) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief initialize md5 hmac context + * \param tfm linux crypto algo transform +*/ +void md5_hmac_init(struct crypto_tfm *tfm) +{ + struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); + + memset(mctx, 0, sizeof(struct md5_hmac_ctx)); + mctx->dbn = 0; //dbn workaround +} + +/*! \fn void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief on-the-fly md5 hmac computation + * \param tfm linux crypto algo transform + * \param data input data + * \param len size of input data +*/ +void md5_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) +{ + struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); + const u32 avail = sizeof(mctx->block) - (mctx->byte_count & 0x3f); + + mctx->byte_count += len; + + if (avail > len) { + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, len); + return; + } + + memcpy((char *)mctx->block + (sizeof(mctx->block) - avail), + data, avail); + + md5_hmac_transform(tfm, mctx->block); + data += avail; + len -= avail; + + while (len >= sizeof(mctx->block)) { + memcpy(mctx->block, data, sizeof(mctx->block)); + md5_hmac_transform(tfm, mctx->block); + data += sizeof(mctx->block); + len -= sizeof(mctx->block); + } + + memcpy(mctx->block, data, len); + +} + +/*! \fn void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief compute final md5 hmac value + * \param tfm linux crypto algo transform + * \param out final md5 hmac output value +*/ +void md5_hmac_final(struct crypto_tfm *tfm, u8 *out) +{ + struct md5_hmac_ctx *mctx = crypto_tfm_ctx(tfm); + const unsigned int offset = mctx->byte_count & 0x3f; + char *p = (char *)mctx->block + offset; + int padding = 56 - (offset + 1); + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + u32 flag; + int i = 0; + int dbn; + u32 *in = &mctx->temp[0]; + + *p++ = 0x80; + if (padding < 0) { + memset(p, 0x00, padding + sizeof (u64)); + md5_hmac_transform(tfm, mctx->block); + p = (char *)mctx->block; + padding = 56; + } + + memset(p, 0, padding); + mctx->block[14] = endian_swap((mctx->byte_count + 64) << 3); // need to add 512 bit of the IPAD operation + mctx->block[15] = 0x00000000; + + md5_hmac_transform(tfm, mctx->block); + + CRTCL_SECT_START; + + printk("dbn = %d\n", mctx->dbn); + hashs->DBN = mctx->dbn; + + *IFX_HASH_CON = 0x0703002D; //khs, go, init, ndc, endi, kyue, hmen, md5 + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + +for (dbn = 0; dbn < mctx->dbn; dbn++) +{ + for (i = 0; i < 16; i++) { + hashs->MR = in[i]; + }; + + hashs->controlr.GO = 1; + asm("sync"); + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + + in += 16; +} + + +#if 1 + //wait for digest ready + while (! hashs->controlr.DGRY) { + // this will not take long + } +#endif + + *((u32 *) out + 0) = hashs->D1R; + *((u32 *) out + 1) = hashs->D2R; + *((u32 *) out + 2) = hashs->D3R; + *((u32 *) out + 3) = hashs->D4R; + *((u32 *) out + 4) = hashs->D5R; + + CRTCL_SECT_END; +} + +/* + * \brief MD5_HMAC function mappings +*/ + +static struct crypto_alg ifxdeu_md5_hmac_alg = { + .cra_name = "hmac(md5)", + .cra_driver_name = "ifxdeu-md5_hmac", + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = MD5_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct md5_hmac_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(ifxdeu_md5_hmac_alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = MD5_DIGEST_SIZE, + .dia_setkey = md5_hmac_setkey, + .dia_init = md5_hmac_init, + .dia_update = md5_hmac_update, + .dia_final = md5_hmac_final } } +}; + +/*! \fn int __init ifxdeu_init_md5_hmac (void) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief initialize md5 hmac driver +*/ +int __init ifxdeu_init_md5_hmac (void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_md5_hmac_alg))) + goto md5_hmac_err; + + CRTCL_SECT_INIT; + + printk (KERN_NOTICE "IFX DEU MD5_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +md5_hmac_err: + printk(KERN_ERR "IFX DEU MD5_HMAC initialization failed!\n"); + return ret; +} + +/** \fn void __exit ifxdeu_fini_md5_hmac (void) + * \ingroup IFX_MD5_HMAC_FUNCTIONS + * \brief unregister md5 hmac driver +*/ +void __exit ifxdeu_fini_md5_hmac (void) +{ + crypto_unregister_alg (&ifxdeu_md5_hmac_alg); +} + diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1.c new file mode 100644 index 0000000000..0802e2ccc8 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1.c @@ -0,0 +1,244 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_sha1.c + \ingroup IFX_DEU + \brief SHA1 encryption deu driver file +*/ + +/*! + \defgroup IFX_SHA1_FUNCTIONS IFX_SHA1_FUNCTIONS + \ingroup IFX_DEU + \brief ifx deu sha1 functions +*/ + + +/* Project header */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/crypto.h> +#include <linux/cryptohash.h> +#include <linux/types.h> +#include <asm/scatterlist.h> +#include <asm/byteorder.h> +#include "ifxmips_deu.h" + +#define SHA1_DIGEST_SIZE 20 +#define SHA1_HMAC_BLOCK_SIZE 64 +#define HASH_START IFX_HASH_CON + +static spinlock_t lock; +#define CRTCL_SECT_INIT spin_lock_init(&lock) +#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) + +/* + * \brief SHA1 private structure +*/ +struct sha1_ctx { + u64 count; + u32 state[5]; + u8 buffer[64]; +}; + +extern int disable_deudma; + + +/*! \fn static void sha1_transform (u32 *state, const u32 *in) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief main interface to sha1 hardware + * \param state current state + * \param in 64-byte block of input +*/ +static void sha1_transform (u32 *state, const u32 *in) +{ + int i = 0; + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + u32 flag; + + CRTCL_SECT_START; + + for (i = 0; i < 16; i++) { + hashs->MR = in[i]; + }; + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + + CRTCL_SECT_END; +} + +/*! \fn static void sha1_init(struct crypto_tfm *tfm) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief initialize sha1 hardware + * \param tfm linux crypto algo transform +*/ +static void sha1_init(struct crypto_tfm *tfm) +{ + struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + + SHA_HASH_INIT; + + sctx->count = 0; +} + +/*! \fn static void sha1_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief on-the-fly sha1 computation + * \param tfm linux crypto algo transform + * \param data input data + * \param len size of input data +*/ +static void sha1_update(struct crypto_tfm *tfm, const u8 *data, + unsigned int len) +{ + struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + unsigned int i, j; + + j = (sctx->count >> 3) & 0x3f; + sctx->count += len << 3; + + if ((j + len) > 63) { + memcpy (&sctx->buffer[j], data, (i = 64 - j)); + sha1_transform (sctx->state, (const u32 *)sctx->buffer); + for (; i + 63 < len; i += 64) { + sha1_transform (sctx->state, (const u32 *)&data[i]); + } + + j = 0; + } + else + i = 0; + + memcpy (&sctx->buffer[j], &data[i], len - i); +} + +/*! \fn static void sha1_final(struct crypto_tfm *tfm, u8 *out) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief compute final sha1 value + * \param tfm linux crypto algo transform + * \param out final md5 output value +*/ +static void sha1_final(struct crypto_tfm *tfm, u8 *out) +{ + struct sha1_ctx *sctx = crypto_tfm_ctx(tfm); + u32 index, padlen; + u64 t; + u8 bits[8] = { 0, }; + static const u8 padding[64] = { 0x80, }; + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + ulong flag; + + t = sctx->count; + bits[7] = 0xff & t; + t >>= 8; + bits[6] = 0xff & t; + t >>= 8; + bits[5] = 0xff & t; + t >>= 8; + bits[4] = 0xff & t; + t >>= 8; + bits[3] = 0xff & t; + t >>= 8; + bits[2] = 0xff & t; + t >>= 8; + bits[1] = 0xff & t; + t >>= 8; + bits[0] = 0xff & t; + + /* Pad out to 56 mod 64 */ + index = (sctx->count >> 3) & 0x3f; + padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); + sha1_update (tfm, padding, padlen); + + /* Append length */ + sha1_update (tfm, bits, sizeof bits); + + CRTCL_SECT_START; + + *((u32 *) out + 0) = hashs->D1R; + *((u32 *) out + 1) = hashs->D2R; + *((u32 *) out + 2) = hashs->D3R; + *((u32 *) out + 3) = hashs->D4R; + *((u32 *) out + 4) = hashs->D5R; + + CRTCL_SECT_END; + + // Wipe context + memset (sctx, 0, sizeof *sctx); +} + +/* + * \brief SHA1 function mappings +*/ +struct crypto_alg ifxdeu_sha1_alg = { + .cra_name = "sha1", + .cra_driver_name= "ifxdeu-sha1", + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sha1_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 3, + .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = SHA1_DIGEST_SIZE, + .dia_init = sha1_init, + .dia_update = sha1_update, + .dia_final = sha1_final } } +}; + +/*! \fn int __init ifxdeu_init_sha1 (void) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief initialize sha1 driver +*/ +int __init ifxdeu_init_sha1 (void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_sha1_alg))) + goto sha1_err; + + CRTCL_SECT_INIT; + + printk (KERN_NOTICE "IFX DEU SHA1 initialized%s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +sha1_err: + printk(KERN_ERR "IFX DEU SHA1 initialization failed!\n"); + return ret; +} + +/*! \fn void __exit ifxdeu_fini_sha1 (void) + * \ingroup IFX_SHA1_FUNCTIONS + * \brief unregister sha1 driver +*/ +void __exit ifxdeu_fini_sha1 (void) +{ + crypto_unregister_alg (&ifxdeu_sha1_alg); +} diff --git a/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c new file mode 100644 index 0000000000..59f0854c5c --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/crypto/ifxmips/ifxmips_sha1_hmac.c @@ -0,0 +1,308 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com> + * Copyright (C) 2009 Mohammad Firdaus + */ + +/*! + \defgroup IFX_DEU IFX_DEU_DRIVERS + \ingroup API + \brief ifx deu driver module +*/ + +/*! + \file ifxmips_sha1_hmac.c + \ingroup IFX_DEU + \brief SHA1-HMAC deu driver file +*/ + +/*! + \defgroup IFX_SHA1_HMAC_FUNCTIONS IFX_SHA1_HMAC_FUNCTIONS + \ingroup IFX_DEU + \brief ifx sha1 hmac functions +*/ + + +/* Project header */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/mm.h> +#include <linux/crypto.h> +#include <linux/cryptohash.h> +#include <linux/types.h> +#include <asm/scatterlist.h> +#include <asm/byteorder.h> +#include <linux/delay.h> +#include "ifxmips_deu.h" + +#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC + +#define SHA1_DIGEST_SIZE 20 +#define SHA1_HMAC_BLOCK_SIZE 64 +#define SHA1_HMAC_DBN_TEMP_SIZE 1024 // size in dword, needed for dbn workaround +#define HASH_START IFX_HASH_CON + +static spinlock_t lock; +#define CRTCL_SECT_INIT spin_lock_init(&lock) +#define CRTCL_SECT_START spin_lock_irqsave(&lock, flag) +#define CRTCL_SECT_END spin_unlock_irqrestore(&lock, flag) + +struct sha1_hmac_ctx { + u64 count; + u32 state[5]; + u8 buffer[64]; + u32 dbn; + u32 temp[SHA1_HMAC_DBN_TEMP_SIZE]; +}; + +extern int disable_deudma; + +/*! \fn static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief save input block to context + * \param tfm linux crypto algo transform + * \param in 64-byte block of input +*/ +static void sha1_hmac_transform(struct crypto_tfm *tfm, u32 const *in) +{ + struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); + + memcpy(&sctx->temp[sctx->dbn<<4], in, 64); //dbn workaround + sctx->dbn += 1; + + if ( (sctx->dbn<<4) > SHA1_HMAC_DBN_TEMP_SIZE ) + { + printk("SHA1_HMAC_DBN_TEMP_SIZE exceeded\n"); + } + +} + +/*! \fn int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief sets sha1 hmac key + * \param tfm linux crypto algo transform + * \param key input key + * \param keylen key length greater than 64 bytes IS NOT SUPPORTED +*/ +int sha1_hmac_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) +{ + volatile struct deu_hash_t *hash = (struct deu_hash_t *) HASH_START; + int i, j; + u32 *in_key = (u32 *)key; + + hash->KIDX = 0x80000000; // reset all 16 words of the key to '0' + asm("sync"); + + j = 0; + for (i = 0; i < keylen; i+=4) + { + hash->KIDX = j; + asm("sync"); + hash->KEY = *((u32 *) in_key + j); + j++; + } + + return 0; +} + +/*! \fn void sha1_hmac_init(struct crypto_tfm *tfm) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief initialize sha1 hmac context + * \param tfm linux crypto algo transform +*/ +void sha1_hmac_init(struct crypto_tfm *tfm) +{ + struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); + + memset(sctx, 0, sizeof(struct sha1_hmac_ctx)); + sctx->dbn = 0; //dbn workaround +} + +/*! \fn static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief on-the-fly sha1 hmac computation + * \param tfm linux crypto algo transform + * \param data input data + * \param len size of input data +*/ +static void sha1_hmac_update(struct crypto_tfm *tfm, const u8 *data, + unsigned int len) +{ + struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); + unsigned int i, j; + + j = (sctx->count >> 3) & 0x3f; + sctx->count += len << 3; + //printk("sctx->count = %d\n", (sctx->count >> 3)); + + if ((j + len) > 63) { + memcpy (&sctx->buffer[j], data, (i = 64 - j)); + sha1_hmac_transform (tfm, (const u32 *)sctx->buffer); + for (; i + 63 < len; i += 64) { + sha1_hmac_transform (tfm, (const u32 *)&data[i]); + } + + j = 0; + } + else + i = 0; + + memcpy (&sctx->buffer[j], &data[i], len - i); +} + +/*! \fn static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief ompute final sha1 hmac value + * \param tfm linux crypto algo transform + * \param out final sha1 hmac output value +*/ +static void sha1_hmac_final(struct crypto_tfm *tfm, u8 *out) +{ + struct sha1_hmac_ctx *sctx = crypto_tfm_ctx(tfm); + u32 index, padlen; + u64 t; + u8 bits[8] = { 0, }; + static const u8 padding[64] = { 0x80, }; + volatile struct deu_hash_t *hashs = (struct deu_hash_t *) HASH_START; + ulong flag; + int i = 0; + int dbn; + u32 *in = &sctx->temp[0]; + + t = sctx->count + 512; // need to add 512 bit of the IPAD operation + bits[7] = 0xff & t; + t >>= 8; + bits[6] = 0xff & t; + t >>= 8; + bits[5] = 0xff & t; + t >>= 8; + bits[4] = 0xff & t; + t >>= 8; + bits[3] = 0xff & t; + t >>= 8; + bits[2] = 0xff & t; + t >>= 8; + bits[1] = 0xff & t; + t >>= 8; + bits[0] = 0xff & t; + + /* Pad out to 56 mod 64 */ + index = (sctx->count >> 3) & 0x3f; + padlen = (index < 56) ? (56 - index) : ((64 + 56) - index); + sha1_hmac_update (tfm, padding, padlen); + + /* Append length */ + sha1_hmac_update (tfm, bits, sizeof bits); + + CRTCL_SECT_START; + + hashs->DBN = sctx->dbn; + + //for vr9 change, ENDI = 1 + *IFX_HASH_CON = HASH_CON_VALUE; + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + + for (dbn = 0; dbn < sctx->dbn; dbn++) + { + for (i = 0; i < 16; i++) { + hashs->MR = in[i]; + }; + + hashs->controlr.GO = 1; + asm("sync"); + + //wait for processing + while (hashs->controlr.BSY) { + // this will not take long + } + + in += 16; +} + + +#if 1 + //wait for digest ready + while (! hashs->controlr.DGRY) { + // this will not take long + } +#endif + + *((u32 *) out + 0) = hashs->D1R; + *((u32 *) out + 1) = hashs->D2R; + *((u32 *) out + 2) = hashs->D3R; + *((u32 *) out + 3) = hashs->D4R; + *((u32 *) out + 4) = hashs->D5R; + + CRTCL_SECT_END; +} + +/* + * \brief SHA1-HMAC function mappings +*/ + +struct crypto_alg ifxdeu_sha1_hmac_alg = { + .cra_name = "hmac(sha1)", + .cra_driver_name= "ifxdeu-sha1_hmac", + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = SHA1_HMAC_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct sha1_hmac_ctx), + .cra_module = THIS_MODULE, + .cra_alignmask = 3, + .cra_list = LIST_HEAD_INIT(ifxdeu_sha1_hmac_alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = SHA1_DIGEST_SIZE, + .dia_setkey = sha1_hmac_setkey, + .dia_init = sha1_hmac_init, + .dia_update = sha1_hmac_update, + .dia_final = sha1_hmac_final } } +}; + + +/*! \fn int __init ifxdeu_init_sha1_hmac (void) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief initialize sha1 hmac driver +*/ +int __init ifxdeu_init_sha1_hmac (void) +{ + int ret; + + if ((ret = crypto_register_alg(&ifxdeu_sha1_hmac_alg))) + goto sha1_err; + + CRTCL_SECT_INIT; + + printk (KERN_NOTICE "IFX DEU SHA1_HMAC initialized%s.\n", disable_deudma ? "" : " (DMA)"); + return ret; + +sha1_err: + printk(KERN_ERR "IFX DEU SHA1_HMAC initialization failed!\n"); + return ret; +} + +/*! \fn void __exit ifxdeu_fini_sha1_hmac (void) + * \ingroup IFX_SHA1_HMAC_FUNCTIONS + * \brief unregister sha1 hmac driver +*/ +void __exit ifxdeu_fini_sha1_hmac (void) +{ + crypto_unregister_alg (&ifxdeu_sha1_hmac_alg); +} + +#endif diff --git a/target/linux/ifxmips/files-2.6.32/drivers/leds/leds-ifxmips.c b/target/linux/ifxmips/files-2.6.32/drivers/leds/leds-ifxmips.c new file mode 100644 index 0000000000..3123d82180 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/leds/leds-ifxmips.c @@ -0,0 +1,196 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2006 infineon + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/version.h> +#include <linux/types.h> +#include <linux/fs.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/uaccess.h> +#include <linux/unistd.h> +#include <linux/errno.h> +#include <linux/leds.h> +#include <linux/delay.h> + +#include <ifxmips.h> +#include <ifxmips_gpio.h> +#include <ifxmips_pmu.h> + +#define DRVNAME "ifxmips_led" + +/* might need to be changed depending on shift register used on the pcb */ +#if 1 +#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_FALLING +#else +#define IFXMIPS_LED_CLK_EDGE IFXMIPS_LED_RISING +#endif + +#define IFXMIPS_LED_SPEED IFXMIPS_LED_8HZ + +#define IFXMIPS_LED_GPIO_PORT 0 + +#define IFXMIPS_MAX_LED 24 + +struct ifxmips_led { + struct led_classdev cdev; + u8 bit; +}; + +void ifxmips_led_set(unsigned int led) +{ + led &= 0xffffff; + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) | led, IFXMIPS_LED_CPU0); +} +EXPORT_SYMBOL(ifxmips_led_set); + +void ifxmips_led_clear(unsigned int led) +{ + led = ~(led & 0xffffff); + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CPU0) & led, IFXMIPS_LED_CPU0); +} +EXPORT_SYMBOL(ifxmips_led_clear); + +void ifxmips_led_blink_set(unsigned int led) +{ + led &= 0xffffff; + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | led, IFXMIPS_LED_CON0); +} +EXPORT_SYMBOL(ifxmips_led_blink_set); + +void ifxmips_led_blink_clear(unsigned int led) +{ + led = ~(led & 0xffffff); + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & led, IFXMIPS_LED_CON0); +} +EXPORT_SYMBOL(ifxmips_led_blink_clear); + +static void ifxmips_ledapi_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct ifxmips_led *led_dev = + container_of(led_cdev, struct ifxmips_led, cdev); + + if (value) + ifxmips_led_set(1 << led_dev->bit); + else + ifxmips_led_clear(1 << led_dev->bit); +} + +void ifxmips_led_setup_gpio(void) +{ + int i = 0; + + /* leds are controlled via a shift register + we need to setup pins SH,D,ST (4,5,6) to make it work */ + for (i = 4; i < 7; i++) { + ifxmips_port_set_altsel0(IFXMIPS_LED_GPIO_PORT, i); + ifxmips_port_clear_altsel1(IFXMIPS_LED_GPIO_PORT, i); + ifxmips_port_set_dir_out(IFXMIPS_LED_GPIO_PORT, i); + ifxmips_port_set_open_drain(IFXMIPS_LED_GPIO_PORT, i); + } +} + +static int ifxmips_led_probe(struct platform_device *dev) +{ + int i = 0; + + ifxmips_led_setup_gpio(); + + ifxmips_w32(0, IFXMIPS_LED_AR); + ifxmips_w32(0, IFXMIPS_LED_CPU0); + ifxmips_w32(0, IFXMIPS_LED_CPU1); + ifxmips_w32(LED_CON0_SWU, IFXMIPS_LED_CON0); + ifxmips_w32(0, IFXMIPS_LED_CON1); + + /* setup the clock edge that the shift register is triggered on */ + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) & ~IFXMIPS_LED_EDGE_MASK, + IFXMIPS_LED_CON0); + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_CLK_EDGE, + IFXMIPS_LED_CON0); + + /* per default leds 15-0 are set */ + ifxmips_w32(IFXMIPS_LED_GROUP1 | IFXMIPS_LED_GROUP0, IFXMIPS_LED_CON1); + + /* leds are update periodically by the FPID */ + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_UPD_MASK, + IFXMIPS_LED_CON1); + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_UPD_SRC_FPI, + IFXMIPS_LED_CON1); + + /* set led update speed */ + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) & ~IFXMIPS_LED_MASK, + IFXMIPS_LED_CON1); + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON1) | IFXMIPS_LED_SPEED, + IFXMIPS_LED_CON1); + + /* adsl 0 and 1 leds are updated by the arc */ + ifxmips_w32(ifxmips_r32(IFXMIPS_LED_CON0) | IFXMIPS_LED_ADSL_SRC, + IFXMIPS_LED_CON0); + + /* per default, the leds are turned on */ + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_LED); + + for (i = 0; i < IFXMIPS_MAX_LED; i++) { + struct ifxmips_led *tmp = + kzalloc(sizeof(struct ifxmips_led), GFP_KERNEL); + tmp->cdev.brightness_set = ifxmips_ledapi_set; + tmp->cdev.name = kmalloc(sizeof("ifxmips:led:00"), GFP_KERNEL); + sprintf((char *)tmp->cdev.name, "ifxmips:led:%02d", i); + tmp->cdev.default_trigger = NULL; + tmp->bit = i; + led_classdev_register(&dev->dev, &tmp->cdev); + } + + return 0; +} + +static int ifxmips_led_remove(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver ifxmips_led_driver = { + .probe = ifxmips_led_probe, + .remove = ifxmips_led_remove, + .driver = { + .name = DRVNAME, + .owner = THIS_MODULE, + }, +}; + +int __init ifxmips_led_init(void) +{ + int ret = platform_driver_register(&ifxmips_led_driver); + if (ret) + printk(KERN_INFO + "ifxmips_led: Error registering platfom driver!"); + + return ret; +} + +void __exit ifxmips_led_exit(void) +{ + platform_driver_unregister(&ifxmips_led_driver); +} + +module_init(ifxmips_led_init); +module_exit(ifxmips_led_exit); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/mtd/maps/ifxmips.c b/target/linux/ifxmips/files-2.6.32/drivers/mtd/maps/ifxmips.c new file mode 100644 index 0000000000..376fd0b2fd --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/mtd/maps/ifxmips.c @@ -0,0 +1,282 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/init.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/cfi.h> +#include <linux/magic.h> +#include <linux/platform_device.h> + +#include <ifxmips.h> +#include <ifxmips_prom.h> +#include <ifxmips_ebu.h> + +#ifndef CONFIG_MTD_PARTITIONS +#error Please enable CONFIG_MTD_PARTITIONS +#endif + +static struct map_info ifxmips_map = { + .name = "ifx-nor", + .bankwidth = 2, + .size = 0x400000, +}; + +static map_word ifxmips_read16(struct map_info *map, unsigned long adr) +{ + unsigned long flags; + map_word temp; + spin_lock_irqsave(&ebu_lock, flags); + adr ^= 2; + temp.x[0] = *((__u16 *)(map->virt + adr)); + spin_unlock_irqrestore(&ebu_lock, flags); + return temp; +} + +static void ifxmips_write16(struct map_info *map, map_word d, unsigned long adr) +{ + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); + adr ^= 2; + *((__u16 *)(map->virt + adr)) = d.x[0]; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +void ifxmips_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len) +{ + unsigned char *p; + unsigned char *to_8; + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); + from = (unsigned long)(from + map->virt); + p = (unsigned char *) from; + to_8 = (unsigned char *) to; + while (len--) + *to_8++ = *p++; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +void ifxmips_copy_to(struct map_info *map, + unsigned long to, + const void *from, + ssize_t len) +{ + unsigned char *p = (unsigned char *)from; + unsigned char *to_8; + unsigned long flags; + spin_lock_irqsave(&ebu_lock, flags); + to += (unsigned long) map->virt; + to_8 = (unsigned char *)to; + while (len--) + *p++ = *to_8++; + spin_unlock_irqrestore(&ebu_lock, flags); +} + +static struct mtd_partition ifxmips_partitions[] = { + { + .name = "uboot", + .offset = 0x00000000, + .size = 0x00020000, + }, + { + .name = "uboot_env", + .offset = 0x00020000, + .size = 0x0, + }, + { + .name = "kernel", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "rootfs", + .offset = 0x0, + .size = 0x0, + }, + { + .name = "board_config", + .offset = 0x0, + .size = 0x0, + }, +}; + +static struct mtd_partition ifxmips_meta_partition = { + .name = "linux", + .offset = 0x00030000, + .size = 0x0, +}; + +static const char *part_probe_types[] = { "cmdlinepart", NULL }; + +int find_uImage_size(unsigned long start_offset) +{ + unsigned long magic; + unsigned long temp; + ifxmips_copy_from(&ifxmips_map, &magic, start_offset, 4); + if (le32_to_cpu(magic) != 0x56190527) { + printk(KERN_INFO "ifxmips_mtd: invalid magic (0x%08X) of kernel at 0x%08lx \n", le32_to_cpu(magic), start_offset); + return 0; + } + ifxmips_copy_from(&ifxmips_map, &temp, start_offset + 12, 4); + printk(KERN_INFO "ifxmips_mtd: kernel size is %ld \n", temp + 0x40); + return temp + 0x40; +} + +int find_brn_block(unsigned long start_offset) +{ + unsigned char temp[9]; + ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 8); + temp[8] = '\0'; + printk(KERN_INFO "data in brn block %s\n", temp); + if (memcmp(temp, "BRN-BOOT", 8) == 0) + return 1; + else + return 0; +} + +int detect_squashfs_partition(unsigned long start_offset) +{ + unsigned long temp; + ifxmips_copy_from(&ifxmips_map, &temp, start_offset, 4); + return le32_to_cpu(temp) == SQUASHFS_MAGIC; +} + +static int ifxmips_mtd_probe(struct platform_device *dev) +{ + struct mtd_info *ifxmips_mtd = NULL; + struct mtd_partition *parts = NULL; + unsigned long uimage_size; + int err, i; + int kernel_part = 2, rootfs_part = 3; + int num_parts = ARRAY_SIZE(ifxmips_partitions); + + ifxmips_w32(0x1d7ff, IFXMIPS_EBU_BUSCON0); + + ifxmips_map.read = ifxmips_read16; + ifxmips_map.write = ifxmips_write16; + ifxmips_map.copy_from = ifxmips_copy_from; + ifxmips_map.copy_to = ifxmips_copy_to; + ifxmips_map.phys = dev->resource->start; + ifxmips_map.size = dev->resource->end - ifxmips_map.phys + 1; + ifxmips_map.virt = ioremap_nocache(ifxmips_map.phys, ifxmips_map.size); + + if (!ifxmips_map.virt) { + printk(KERN_WARNING "ifxmips_mtd: failed to ioremap!\n"); + return -EIO; + } + + ifxmips_mtd = (struct mtd_info *) do_map_probe("cfi_probe", &ifxmips_map); + if (!ifxmips_mtd) { + iounmap(ifxmips_map.virt); + printk(KERN_WARNING "ifxmips_mtd: probing failed\n"); + return -ENXIO; + } + + ifxmips_mtd->owner = THIS_MODULE; + + err = parse_mtd_partitions(ifxmips_mtd, part_probe_types, &parts, 0); + if (err > 0) { + printk(KERN_INFO "ifxmips_mtd: found %d partitions from cmdline\n", err); + num_parts = err; + kernel_part = 0; + rootfs_part = 0; + for (i = 0; i < num_parts; i++) { + if (strcmp(parts[i].name, "kernel") == 0) + kernel_part = i; + if (strcmp(parts[i].name, "rootfs") == 0) + rootfs_part = i; + } + } else { + /* if the flash is 64k sectors, the kernel will reside at 0xb0030000 + if the flash is 128k sectors, the kernel will reside at 0xb0040000 */ + ifxmips_partitions[1].size = ifxmips_mtd->erasesize; + ifxmips_partitions[2].offset = ifxmips_partitions[1].offset + ifxmips_mtd->erasesize; + parts = &ifxmips_partitions[0]; + } + + /* dynamic size detection only if rootfs-part follows kernel-part */ + if (kernel_part+1 == rootfs_part) { + uimage_size = find_uImage_size(parts[kernel_part].offset); + + if (detect_squashfs_partition(parts[kernel_part].offset + uimage_size)) { + printk(KERN_INFO "ifxmips_mtd: found a squashfs following the uImage\n"); + } else { + uimage_size &= ~(ifxmips_mtd->erasesize -1); + uimage_size += ifxmips_mtd->erasesize; + } + + parts[kernel_part].size = uimage_size; + parts[rootfs_part].offset = parts[kernel_part].offset + parts[kernel_part].size; + parts[rootfs_part].size = ((ifxmips_mtd->size >> 20) * 1024 * 1024) - parts[rootfs_part].offset; + + ifxmips_meta_partition.offset = parts[kernel_part].offset; + ifxmips_meta_partition.size = parts[kernel_part].size + parts[rootfs_part].size; + } + + if (err <= 0) { + if (ifxmips_has_brn_block()) { + parts[3].size -= ifxmips_mtd->erasesize; + parts[4].offset = ifxmips_mtd->size - ifxmips_mtd->erasesize; + parts[4].size = ifxmips_mtd->erasesize; + ifxmips_meta_partition.size -= ifxmips_mtd->erasesize; + } else { + num_parts--; + } + } + + add_mtd_partitions(ifxmips_mtd, parts, num_parts); + add_mtd_partitions(ifxmips_mtd, &ifxmips_meta_partition, 1); + + printk(KERN_INFO "ifxmips_mtd: added %s flash with %dMB\n", + ifxmips_map.name, ((int)ifxmips_mtd->size) >> 20); + return 0; +} + +static struct platform_driver ifxmips_mtd_driver = { + .probe = ifxmips_mtd_probe, + .driver = { + .name = "ifxmips_mtd", + .owner = THIS_MODULE, + }, +}; + +int __init init_ifxmips_mtd(void) +{ + int ret = platform_driver_register(&ifxmips_mtd_driver); + if (ret) + printk(KERN_INFO "ifxmips_mtd: error registering platfom driver!"); + return ret; +} + +static void __exit cleanup_ifxmips_mtd(void) +{ + platform_driver_unregister(&ifxmips_mtd_driver); +} + +module_init(init_ifxmips_mtd); +module_exit(cleanup_ifxmips_mtd); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("MTD map driver for IFXMIPS boards"); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/net/ifxmips.c b/target/linux/ifxmips/files-2.6.32/drivers/net/ifxmips.c new file mode 100644 index 0000000000..e6d0d9615f --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/net/ifxmips.c @@ -0,0 +1,497 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * Copyright (C) 2005 Wu Qi Ming <Qi-Ming.Wu@infineon.com> + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/uaccess.h> +#include <linux/in.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +#include <linux/phy.h> +#include <linux/ip.h> +#include <linux/tcp.h> +#include <linux/skbuff.h> +#include <linux/mm.h> +#include <linux/platform_device.h> +#include <linux/ethtool.h> +#include <linux/init.h> +#include <linux/delay.h> + +#include <asm/checksum.h> + +#include <ifxmips.h> +#include <ifxmips_dma.h> +#include <ifxmips_pmu.h> + +struct ifxmips_mii_priv { + struct net_device_stats stats; + struct dma_device_info *dma_device; + struct sk_buff *skb; + + struct mii_bus *mii_bus; + struct phy_device *phydev; + int oldlink, oldspeed, oldduplex; +}; + +static struct net_device *ifxmips_mii0_dev; +static unsigned char mac_addr[MAX_ADDR_LEN]; + +static int ifxmips_mdiobus_write(struct mii_bus *bus, int phy_addr, + int phy_reg, u16 phy_data) +{ + u32 val = MDIO_ACC_REQUEST | + ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | + ((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET) | + phy_data; + + while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) + ; + ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC); + + return 0; +} + +static int ifxmips_mdiobus_read(struct mii_bus *bus, int phy_addr, int phy_reg) +{ + u32 val = MDIO_ACC_REQUEST | MDIO_ACC_READ | + ((phy_addr & MDIO_ACC_ADDR_MASK) << MDIO_ACC_ADDR_OFFSET) | + ((phy_reg & MDIO_ACC_REG_MASK) << MDIO_ACC_REG_OFFSET); + + while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) + ; + ifxmips_w32(val, IFXMIPS_PPE32_MDIO_ACC); + while (ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_REQUEST) + ; + val = ifxmips_r32(IFXMIPS_PPE32_MDIO_ACC) & MDIO_ACC_VAL_MASK; + return val; +} + +int ifxmips_ifxmips_mii_open(struct net_device *dev) +{ + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + struct dma_device_info *dma_dev = priv->dma_device; + int i; + + for (i = 0; i < dma_dev->max_rx_chan_num; i++) { + if ((dma_dev->rx_chan[i])->control == IFXMIPS_DMA_CH_ON) + (dma_dev->rx_chan[i])->open(dma_dev->rx_chan[i]); + } + netif_start_queue(dev); + return 0; +} + +int ifxmips_mii_release(struct net_device *dev) +{ + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + struct dma_device_info *dma_dev = priv->dma_device; + int i; + + for (i = 0; i < dma_dev->max_rx_chan_num; i++) + dma_dev->rx_chan[i]->close(dma_dev->rx_chan[i]); + netif_stop_queue(dev); + return 0; +} + +int ifxmips_mii_hw_receive(struct net_device *dev, struct dma_device_info *dma_dev) +{ + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + unsigned char *buf = NULL; + struct sk_buff *skb = NULL; + int len = 0; + + len = dma_device_read(dma_dev, &buf, (void **)&skb); + + if (len >= ETHERNET_PACKET_DMA_BUFFER_SIZE) { + printk(KERN_INFO "ifxmips_mii0: packet too large %d\n", len); + goto ifxmips_mii_hw_receive_err_exit; + } + + /* remove CRC */ + len -= 4; + if (skb == NULL) { + printk(KERN_INFO "ifxmips_mii0: cannot restore pointer\n"); + goto ifxmips_mii_hw_receive_err_exit; + } + + if (len > (skb->end - skb->tail)) { + printk(KERN_INFO "ifxmips_mii0: BUG, len:%d end:%p tail:%p\n", + (len+4), skb->end, skb->tail); + goto ifxmips_mii_hw_receive_err_exit; + } + + skb_put(skb, len); + skb->dev = dev; + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); + + priv->stats.rx_packets++; + priv->stats.rx_bytes += len; + return 0; + +ifxmips_mii_hw_receive_err_exit: + if (len == 0) { + if (skb) + dev_kfree_skb_any(skb); + priv->stats.rx_errors++; + priv->stats.rx_dropped++; + return -EIO; + } else { + return len; + } +} + +int ifxmips_mii_hw_tx(char *buf, int len, struct net_device *dev) +{ + int ret = 0; + struct ifxmips_mii_priv *priv = netdev_priv(dev); + struct dma_device_info *dma_dev = priv->dma_device; + ret = dma_device_write(dma_dev, buf, len, priv->skb); + return ret; +} + +int ifxmips_mii_tx(struct sk_buff *skb, struct net_device *dev) +{ + int len; + char *data; + struct ifxmips_mii_priv *priv = netdev_priv(dev); + struct dma_device_info *dma_dev = priv->dma_device; + + len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; + data = skb->data; + priv->skb = skb; + dev->trans_start = jiffies; + /* TODO: we got more than 1 dma channel, + so we should do something intelligent here to select one */ + dma_dev->current_tx_chan = 0; + + wmb(); + + if (ifxmips_mii_hw_tx(data, len, dev) != len) { + dev_kfree_skb_any(skb); + priv->stats.tx_errors++; + priv->stats.tx_dropped++; + } else { + priv->stats.tx_packets++; + priv->stats.tx_bytes += len; + } + + return 0; +} + +void ifxmips_mii_tx_timeout(struct net_device *dev) +{ + int i; + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + + priv->stats.tx_errors++; + for (i = 0; i < priv->dma_device->max_tx_chan_num; i++) + priv->dma_device->tx_chan[i]->disable_irq(priv->dma_device->tx_chan[i]); + netif_wake_queue(dev); + return; +} + +int dma_intr_handler(struct dma_device_info *dma_dev, int status) +{ + int i; + + switch (status) { + case RCV_INT: + ifxmips_mii_hw_receive(ifxmips_mii0_dev, dma_dev); + break; + + case TX_BUF_FULL_INT: + printk(KERN_INFO "ifxmips_mii0: tx buffer full\n"); + netif_stop_queue(ifxmips_mii0_dev); + for (i = 0; i < dma_dev->max_tx_chan_num; i++) { + if ((dma_dev->tx_chan[i])->control == IFXMIPS_DMA_CH_ON) + dma_dev->tx_chan[i]->enable_irq(dma_dev->tx_chan[i]); + } + break; + + case TRANSMIT_CPT_INT: + for (i = 0; i < dma_dev->max_tx_chan_num; i++) + dma_dev->tx_chan[i]->disable_irq(dma_dev->tx_chan[i]); + + netif_wake_queue(ifxmips_mii0_dev); + break; + } + + return 0; +} + +unsigned char *ifxmips_etop_dma_buffer_alloc(int len, int *byte_offset, void **opt) +{ + unsigned char *buffer = NULL; + struct sk_buff *skb = NULL; + + skb = dev_alloc_skb(ETHERNET_PACKET_DMA_BUFFER_SIZE); + if (skb == NULL) + return NULL; + + buffer = (unsigned char *)(skb->data); + skb_reserve(skb, 2); + *(int *)opt = (int)skb; + *byte_offset = 2; + + return buffer; +} + +void ifxmips_etop_dma_buffer_free(unsigned char *dataptr, void *opt) +{ + struct sk_buff *skb = NULL; + + if (opt == NULL) { + kfree(dataptr); + } else { + skb = (struct sk_buff *)opt; + dev_kfree_skb_any(skb); + } +} + +static struct net_device_stats *ifxmips_get_stats(struct net_device *dev) +{ + return &((struct ifxmips_mii_priv *)netdev_priv(dev))->stats; +} + +static void +ifxmips_adjust_link(struct net_device *dev) +{ + struct ifxmips_mii_priv *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phydev; + int new_state = 0; + + /* Did anything change? */ + if (priv->oldlink != phydev->link || + priv->oldduplex != phydev->duplex || + priv->oldspeed != phydev->speed) { + /* Yes, so update status and mark as changed */ + new_state = 1; + priv->oldduplex = phydev->duplex; + priv->oldspeed = phydev->speed; + priv->oldlink = phydev->link; + } + + /* If link status changed, show new status */ + if (new_state) + phy_print_status(phydev); +} + +static int mii_probe(struct net_device *dev) +{ + struct ifxmips_mii_priv *priv = netdev_priv(dev); + struct phy_device *phydev = NULL; + int phy_addr; + + priv->oldlink = 0; + priv->oldspeed = 0; + priv->oldduplex = -1; + + /* find the first (lowest address) PHY on the current MAC's MII bus */ + for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) { + if (priv->mii_bus->phy_map[phy_addr]) { + phydev = priv->mii_bus->phy_map[phy_addr]; + break; /* break out with first one found */ + } + } + + if (!phydev) { + printk (KERN_ERR "%s: no PHY found\n", dev->name); + return -ENODEV; + } + + /* now we are supposed to have a proper phydev, to attach to... */ + BUG_ON(!phydev); + BUG_ON(phydev->attached_dev); + + phydev = phy_connect(dev, dev_name(&phydev->dev), &ifxmips_adjust_link, + 0, PHY_INTERFACE_MODE_MII); + + if (IS_ERR(phydev)) { + printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name); + return PTR_ERR(phydev); + } + + /* mask with MAC supported features */ + phydev->supported &= (SUPPORTED_10baseT_Half + | SUPPORTED_10baseT_Full + | SUPPORTED_100baseT_Half + | SUPPORTED_100baseT_Full + | SUPPORTED_Autoneg + /* | SUPPORTED_Pause | SUPPORTED_Asym_Pause */ + | SUPPORTED_MII + | SUPPORTED_TP); + + phydev->advertising = phydev->supported; + + priv->phydev = phydev; + + printk(KERN_INFO "%s: attached PHY driver [%s] " + "(mii_bus:phy_addr=%s, irq=%d)\n", + dev->name, phydev->drv->name, dev_name(&phydev->dev), phydev->irq); + + return 0; +} + + +static int ifxmips_mii_dev_init(struct net_device *dev) +{ + int i; + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(dev); + ether_setup(dev); + dev->watchdog_timeo = 10 * HZ; + dev->mtu = 1500; + memset(priv, 0, sizeof(struct ifxmips_mii_priv)); + priv->dma_device = dma_device_reserve("PPE"); + if (!priv->dma_device) { + BUG(); + return -ENODEV; + } + priv->dma_device->buffer_alloc = &ifxmips_etop_dma_buffer_alloc; + priv->dma_device->buffer_free = &ifxmips_etop_dma_buffer_free; + priv->dma_device->intr_handler = &dma_intr_handler; + priv->dma_device->max_rx_chan_num = 4; + + for (i = 0; i < priv->dma_device->max_rx_chan_num; i++) { + priv->dma_device->rx_chan[i]->packet_size = ETHERNET_PACKET_DMA_BUFFER_SIZE; + priv->dma_device->rx_chan[i]->control = IFXMIPS_DMA_CH_ON; + } + + for (i = 0; i < priv->dma_device->max_tx_chan_num; i++) + if (i == 0) + priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_ON; + else + priv->dma_device->tx_chan[i]->control = IFXMIPS_DMA_CH_OFF; + + dma_device_register(priv->dma_device); + + printk(KERN_INFO "%s: using mac=", dev->name); + for (i = 0; i < 6; i++) { + dev->dev_addr[i] = mac_addr[i]; + printk("%02X%c", dev->dev_addr[i], (i == 5) ? ('\n') : (':')); + } + + priv->mii_bus = mdiobus_alloc(); + if (priv->mii_bus == NULL) + return -ENOMEM; + + priv->mii_bus->priv = dev; + priv->mii_bus->read = ifxmips_mdiobus_read; + priv->mii_bus->write = ifxmips_mdiobus_write; + priv->mii_bus->name = "ifxmips_mii"; + snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0); + priv->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL); + for(i = 0; i < PHY_MAX_ADDR; ++i) + priv->mii_bus->irq[i] = PHY_POLL; + + mdiobus_register(priv->mii_bus); + + return mii_probe(dev); +} + +static void ifxmips_mii_chip_init(int mode) +{ + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_DMA); + ifxmips_pmu_enable(IFXMIPS_PMU_PWDCR_PPE); + + if (mode == REV_MII_MODE) + ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_REVERSE, IFXMIPS_PPE32_CFG); + else if (mode == MII_MODE) + ifxmips_w32_mask(PPE32_MII_MASK, PPE32_MII_NORMAL, IFXMIPS_PPE32_CFG); + ifxmips_w32(PPE32_PLEN_UNDER | PPE32_PLEN_OVER, IFXMIPS_PPE32_IG_PLEN_CTRL); + ifxmips_w32(PPE32_CGEN, IFXMIPS_PPE32_ENET_MAC_CFG); + wmb(); +} + +static const struct net_device_ops ifxmips_eth_netdev_ops = { + .ndo_init = ifxmips_mii_dev_init, + .ndo_open = ifxmips_ifxmips_mii_open, + .ndo_stop = ifxmips_mii_release, + .ndo_start_xmit = ifxmips_mii_tx, + .ndo_tx_timeout = ifxmips_mii_tx_timeout, + .ndo_change_mtu = eth_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +static int +ifxmips_mii_probe(struct platform_device *dev) +{ + int result = 0; + unsigned char *mac = (unsigned char *)dev->dev.platform_data; + ifxmips_mii0_dev = alloc_etherdev(sizeof(struct ifxmips_mii_priv)); + ifxmips_mii0_dev->netdev_ops = &ifxmips_eth_netdev_ops; + memcpy(mac_addr, mac, 6); + strcpy(ifxmips_mii0_dev->name, "eth%d"); + ifxmips_mii_chip_init(REV_MII_MODE); + result = register_netdev(ifxmips_mii0_dev); + if (result) { + printk(KERN_INFO "ifxmips_mii0: error %i registering device \"%s\"\n", result, ifxmips_mii0_dev->name); + goto out; + } + + printk(KERN_INFO "ifxmips_mii0: driver loaded!\n"); + +out: + return result; +} + +static int ifxmips_mii_remove(struct platform_device *dev) +{ + struct ifxmips_mii_priv *priv = (struct ifxmips_mii_priv *)netdev_priv(ifxmips_mii0_dev); + + printk(KERN_INFO "ifxmips_mii0: ifxmips_mii0 cleanup\n"); + + dma_device_unregister(priv->dma_device); + dma_device_release(priv->dma_device); + kfree(priv->dma_device); + unregister_netdev(ifxmips_mii0_dev); + return 0; +} + +static struct platform_driver ifxmips_mii_driver = { + .probe = ifxmips_mii_probe, + .remove = ifxmips_mii_remove, + .driver = { + .name = "ifxmips_mii0", + .owner = THIS_MODULE, + }, +}; + +int __init ifxmips_mii_init(void) +{ + int ret = platform_driver_register(&ifxmips_mii_driver); + if (ret) + printk(KERN_INFO "ifxmips_mii0: Error registering platfom driver!"); + return ret; +} + +static void __exit ifxmips_mii_cleanup(void) +{ + platform_driver_unregister(&ifxmips_mii_driver); +} + +module_init(ifxmips_mii_init); +module_exit(ifxmips_mii_cleanup); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("ethernet driver for IFXMIPS boards"); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/serial/ifxmips.c b/target/linux/ifxmips/files-2.6.32/drivers/serial/ifxmips.c new file mode 100644 index 0000000000..4d35dc7fc7 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/serial/ifxmips.c @@ -0,0 +1,551 @@ +/* + * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (C) 2004 Infineon IFAP DC COM CPE + * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2007 John Crispin <blogic@openwrt.org> + */ + +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/tty.h> +#include <linux/tty_flip.h> +#include <linux/major.h> +#include <linux/string.h> +#include <linux/fcntl.h> +#include <linux/ptrace.h> +#include <linux/ioport.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/circ_buf.h> +#include <linux/serial.h> +#include <linux/serial_core.h> +#include <linux/console.h> +#include <linux/sysrq.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/uaccess.h> +#include <linux/bitops.h> + +#include <asm/system.h> + +#include <ifxmips.h> +#include <ifxmips_irq.h> + +#define PORT_IFXMIPSASC 111 + +#include <linux/serial_core.h> + +#define UART_DUMMY_UER_RX 1 + +static void ifxmipsasc_tx_chars(struct uart_port *port); +extern void prom_printf(const char *fmt, ...); +static struct uart_port ifxmipsasc_port[2]; +static struct uart_driver ifxmipsasc_reg; +extern unsigned int ifxmips_get_fpi_hz(void); + +static void ifxmipsasc_stop_tx(struct uart_port *port) +{ + return; +} + +static void ifxmipsasc_start_tx(struct uart_port *port) +{ + unsigned long flags; + local_irq_save(flags); + ifxmipsasc_tx_chars(port); + local_irq_restore(flags); + return; +} + +static void ifxmipsasc_stop_rx(struct uart_port *port) +{ + ifxmips_w32(ASCWHBSTATE_CLRREN, port->membase + IFXMIPS_ASC_WHBSTATE); +} + +static void ifxmipsasc_enable_ms(struct uart_port *port) +{ +} + +#include <linux/version.h> + +static void ifxmipsasc_rx_chars(struct uart_port *port) +{ + struct tty_struct *tty = port->state->port.tty; + unsigned int ch = 0, rsr = 0, fifocnt; + + fifocnt = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_RXFFLMASK; + while (fifocnt--) { + u8 flag = TTY_NORMAL; + ch = ifxmips_r32(port->membase + IFXMIPS_ASC_RBUF); + rsr = (ifxmips_r32(port->membase + IFXMIPS_ASC_STATE) & ASCSTATE_ANY) | UART_DUMMY_UER_RX; + tty_flip_buffer_push(tty); + port->icount.rx++; + + /* + * Note that the error handling code is + * out of the main execution path + */ + if (rsr & ASCSTATE_ANY) { + if (rsr & ASCSTATE_PE) { + port->icount.parity++; + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE, port->membase + IFXMIPS_ASC_WHBSTATE); + } else if (rsr & ASCSTATE_FE) { + port->icount.frame++; + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRFE, port->membase + IFXMIPS_ASC_WHBSTATE); + } + if (rsr & ASCSTATE_ROE) { + port->icount.overrun++; + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE); + } + + rsr &= port->read_status_mask; + + if (rsr & ASCSTATE_PE) + flag = TTY_PARITY; + else if (rsr & ASCSTATE_FE) + flag = TTY_FRAME; + } + + if ((rsr & port->ignore_status_mask) == 0) + tty_insert_flip_char(tty, ch, flag); + + if (rsr & ASCSTATE_ROE) + /* + * Overrun is special, since it's reported + * immediately, and doesn't affect the current + * character + */ + tty_insert_flip_char(tty, 0, TTY_OVERRUN); + } + if (ch != 0) + tty_flip_buffer_push(tty); + return; +} + + +static void ifxmipsasc_tx_chars(struct uart_port *port) +{ + struct circ_buf *xmit = &port->state->xmit; + if (uart_tx_stopped(port)) { + ifxmipsasc_stop_tx(port); + return; + } + + while (((ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK) + >> ASCFSTAT_TXFFLOFF) != TXFIFO_FULL) { + if (port->x_char) { + ifxmips_w32(port->x_char, port->membase + IFXMIPS_ASC_TBUF); + port->icount.tx++; + port->x_char = 0; + continue; + } + + if (uart_circ_empty(xmit)) + break; + + ifxmips_w32(port->state->xmit.buf[port->state->xmit.tail], port->membase + IFXMIPS_ASC_TBUF); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + port->icount.tx++; + } + + if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) + uart_write_wakeup(port); +} + +static irqreturn_t ifxmipsasc_tx_int(int irq, void *_port) +{ + struct uart_port *port = (struct uart_port *)_port; + ifxmips_w32(ASC_IRNCR_TIR, port->membase + IFXMIPS_ASC_IRNCR); + ifxmipsasc_start_tx(port); + ifxmips_mask_and_ack_irq(irq); + return IRQ_HANDLED; +} + +static irqreturn_t ifxmipsasc_er_int(int irq, void *_port) +{ + struct uart_port *port = (struct uart_port *)_port; + /* clear any pending interrupts */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_WHBSTATE) | ASCWHBSTATE_CLRPE | + ASCWHBSTATE_CLRFE | ASCWHBSTATE_CLRROE, port->membase + IFXMIPS_ASC_WHBSTATE); + return IRQ_HANDLED; +} + +static irqreturn_t ifxmipsasc_rx_int(int irq, void *_port) +{ + struct uart_port *port = (struct uart_port *)_port; + ifxmips_w32(ASC_IRNCR_RIR, port->membase + IFXMIPS_ASC_IRNCR); + ifxmipsasc_rx_chars((struct uart_port *)port); + ifxmips_mask_and_ack_irq(irq); + return IRQ_HANDLED; +} + +static unsigned int ifxmipsasc_tx_empty(struct uart_port *port) +{ + int status; + status = ifxmips_r32(port->membase + IFXMIPS_ASC_FSTAT) & ASCFSTAT_TXFFLMASK; + return status ? 0 : TIOCSER_TEMT; +} + +static unsigned int ifxmipsasc_get_mctrl(struct uart_port *port) +{ + return TIOCM_CTS | TIOCM_CAR | TIOCM_DSR; +} + +static void ifxmipsasc_set_mctrl(struct uart_port *port, u_int mctrl) +{ +} + +static void ifxmipsasc_break_ctl(struct uart_port *port, int break_state) +{ +} + +static int ifxmipsasc_startup(struct uart_port *port) +{ + int retval; + + port->uartclk = ifxmips_get_fpi_hz(); + + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~IFXMIPS_ASC_CLC_DISS, port->membase + IFXMIPS_ASC_CLC); + ifxmips_w32(((ifxmips_r32(port->membase + IFXMIPS_ASC_CLC) & ~ASCCLC_RMCMASK)) | (1 << ASCCLC_RMCOFFSET), port->membase + IFXMIPS_ASC_CLC); + ifxmips_w32(0, port->membase + IFXMIPS_ASC_PISEL); + ifxmips_w32(((TXFIFO_FL << ASCTXFCON_TXFITLOFF) & ASCTXFCON_TXFITLMASK) | ASCTXFCON_TXFEN | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON); + ifxmips_w32(((RXFIFO_FL << ASCRXFCON_RXFITLOFF) & ASCRXFCON_RXFITLMASK) | ASCRXFCON_RXFEN | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON); + wmb(); + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_M_8ASYNC | ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN, port->membase + IFXMIPS_ASC_CON); + + retval = request_irq(port->irq, ifxmipsasc_tx_int, IRQF_DISABLED, "asc_tx", port); + if (retval) { + printk(KERN_ERR "failed to request ifxmipsasc_tx_int\n"); + return retval; + } + + retval = request_irq(port->irq + 2, ifxmipsasc_rx_int, IRQF_DISABLED, "asc_rx", port); + if (retval) { + printk(KERN_ERR "failed to request ifxmipsasc_rx_int\n"); + goto err1; + } + + retval = request_irq(port->irq + 3, ifxmipsasc_er_int, IRQF_DISABLED, "asc_er", port); + if (retval) { + printk(KERN_ERR "failed to request ifxmipsasc_er_int\n"); + goto err2; + } + + ifxmips_w32(ASC_IRNREN_RX_BUF | ASC_IRNREN_TX_BUF | ASC_IRNREN_ERR | ASC_IRNREN_TX, port->membase + IFXMIPS_ASC_IRNREN); + return 0; + +err2: + free_irq(port->irq + 2, port); +err1: + free_irq(port->irq, port); + return retval; +} + +static void ifxmipsasc_shutdown(struct uart_port *port) +{ + free_irq(port->irq, port); + free_irq(port->irq + 2, port); + free_irq(port->irq + 3, port); + + ifxmips_w32(0, port->membase + IFXMIPS_ASC_CON); + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) | ASCRXFCON_RXFFLU, port->membase + IFXMIPS_ASC_RXFCON); + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_RXFCON) & ~ASCRXFCON_RXFEN, port->membase + IFXMIPS_ASC_RXFCON); + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) | ASCTXFCON_TXFFLU, port->membase + IFXMIPS_ASC_TXFCON); + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_TXFCON) & ~ASCTXFCON_TXFEN, port->membase + IFXMIPS_ASC_TXFCON); +} + +static void ifxmipsasc_set_termios(struct uart_port *port, struct ktermios *new, struct ktermios *old) +{ + unsigned int cflag; + unsigned int iflag; + unsigned int quot; + unsigned int baud; + unsigned int con = 0; + unsigned long flags; + + cflag = new->c_cflag; + iflag = new->c_iflag; + + switch (cflag & CSIZE) { + case CS7: + con = ASCCON_M_7ASYNC; + break; + + case CS5: + case CS6: + default: + con = ASCCON_M_8ASYNC; + break; + } + + if (cflag & CSTOPB) + con |= ASCCON_STP; + + if (cflag & PARENB) { + if (!(cflag & PARODD)) + con &= ~ASCCON_ODD; + else + con |= ASCCON_ODD; + } + + port->read_status_mask = ASCSTATE_ROE; + if (iflag & INPCK) + port->read_status_mask |= ASCSTATE_FE | ASCSTATE_PE; + + port->ignore_status_mask = 0; + if (iflag & IGNPAR) + port->ignore_status_mask |= ASCSTATE_FE | ASCSTATE_PE; + + if (iflag & IGNBRK) { + /* + * If we're ignoring parity and break indicators, + * ignore overruns too (for real raw support). + */ + if (iflag & IGNPAR) + port->ignore_status_mask |= ASCSTATE_ROE; + } + + if ((cflag & CREAD) == 0) + port->ignore_status_mask |= UART_DUMMY_UER_RX; + + /* set error signals - framing, parity and overrun, enable receiver */ + con |= ASCCON_FEN | ASCCON_TOEN | ASCCON_ROEN; + + local_irq_save(flags); + + /* set up CON */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | con, port->membase + IFXMIPS_ASC_CON); + + /* Set baud rate - take a divider of 2 into account */ + baud = uart_get_baud_rate(port, new, old, 0, port->uartclk / 16); + quot = uart_get_divisor(port, baud); + quot = quot / 2 - 1; + + /* disable the baudrate generator */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_R, port->membase + IFXMIPS_ASC_CON); + + /* make sure the fractional divider is off */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_FDE, port->membase + IFXMIPS_ASC_CON); + + /* set up to use divisor of 2 */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) & ~ASCCON_BRS, port->membase + IFXMIPS_ASC_CON); + + /* now we can write the new baudrate into the register */ + ifxmips_w32(quot, port->membase + IFXMIPS_ASC_BG); + + /* turn the baudrate generator back on */ + ifxmips_w32(ifxmips_r32(port->membase + IFXMIPS_ASC_CON) | ASCCON_R, port->membase + IFXMIPS_ASC_CON); + + /* enable rx */ + ifxmips_w32(ASCWHBSTATE_SETREN, port->membase + IFXMIPS_ASC_WHBSTATE); + + local_irq_restore(flags); +} + +static const char *ifxmipsasc_type(struct uart_port *port) +{ + if (port->type == PORT_IFXMIPSASC) { + if (port->membase == (void *)IFXMIPS_ASC_BASE_ADDR) + return "asc0"; + else + return "asc1"; + } else { + return NULL; + } +} + +static void ifxmipsasc_release_port(struct uart_port *port) +{ +} + +static int ifxmipsasc_request_port(struct uart_port *port) +{ + return 0; +} + +static void ifxmipsasc_config_port(struct uart_port *port, int flags) +{ + if (flags & UART_CONFIG_TYPE) { + port->type = PORT_IFXMIPSASC; + ifxmipsasc_request_port(port); + } +} + +static int ifxmipsasc_verify_port(struct uart_port *port, struct serial_struct *ser) +{ + int ret = 0; + if (ser->type != PORT_UNKNOWN && ser->type != PORT_IFXMIPSASC) + ret = -EINVAL; + if (ser->irq < 0 || ser->irq >= NR_IRQS) + ret = -EINVAL; + if (ser->baud_base < 9600) + ret = -EINVAL; + return ret; +} + +static struct uart_ops ifxmipsasc_pops = { + .tx_empty = ifxmipsasc_tx_empty, + .set_mctrl = ifxmipsasc_set_mctrl, + .get_mctrl = ifxmipsasc_get_mctrl, + .stop_tx = ifxmipsasc_stop_tx, + .start_tx = ifxmipsasc_start_tx, + .stop_rx = ifxmipsasc_stop_rx, + .enable_ms = ifxmipsasc_enable_ms, + .break_ctl = ifxmipsasc_break_ctl, + .startup = ifxmipsasc_startup, + .shutdown = ifxmipsasc_shutdown, + .set_termios = ifxmipsasc_set_termios, + .type = ifxmipsasc_type, + .release_port = ifxmipsasc_release_port, + .request_port = ifxmipsasc_request_port, + .config_port = ifxmipsasc_config_port, + .verify_port = ifxmipsasc_verify_port, +}; + +static struct uart_port ifxmipsasc_port[2] = { + { + .membase = (void *)IFXMIPS_ASC_BASE_ADDR, + .mapbase = IFXMIPS_ASC_BASE_ADDR, + .iotype = SERIAL_IO_MEM, + .irq = IFXMIPSASC_TIR(0), + .uartclk = 0, + .fifosize = 16, + .type = PORT_IFXMIPSASC, + .ops = &ifxmipsasc_pops, + .flags = ASYNC_BOOT_AUTOCONF, + .line = 0 + }, { + .membase = (void *)(IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF), + .mapbase = IFXMIPS_ASC_BASE_ADDR + IFXMIPS_ASC_BASE_DIFF, + .iotype = SERIAL_IO_MEM, + .irq = IFXMIPSASC_TIR(1), + .uartclk = 0, + .fifosize = 16, + .type = PORT_IFXMIPSASC, + .ops = &ifxmipsasc_pops, + .flags = ASYNC_BOOT_AUTOCONF, + .line = 1 + } +}; + +static void ifxmipsasc_console_write(struct console *co, const char *s, u_int count) +{ + int port = co->index; + int i, fifocnt; + unsigned long flags; + local_irq_save(flags); + for (i = 0; i < count; i++) { + do { + fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) + >> ASCFSTAT_TXFFLOFF; + } while (fifocnt == TXFIFO_FULL); + + if (s[i] == '\0') + break; + + if (s[i] == '\n') { + ifxmips_w32('\r', (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); + do { + fifocnt = (ifxmips_r32((u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_FSTAT)) & ASCFSTAT_TXFFLMASK) + >> ASCFSTAT_TXFFLOFF; + } while (fifocnt == TXFIFO_FULL); + } + ifxmips_w32(s[i], (u32 *)(IFXMIPS_ASC_BASE_ADDR + (port * IFXMIPS_ASC_BASE_DIFF) + IFXMIPS_ASC_TBUF)); + } + + local_irq_restore(flags); +} + +static int __init ifxmipsasc_console_setup(struct console *co, char *options) +{ + int port = co->index; + int baud = 115200; + int bits = 8; + int parity = 'n'; + int flow = 'n'; + ifxmipsasc_port[port].uartclk = ifxmips_get_fpi_hz(); + ifxmipsasc_port[port].type = PORT_IFXMIPSASC; + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); + return uart_set_options(&ifxmipsasc_port[port], co, baud, parity, bits, flow); +} + +static struct console ifxmipsasc_console[2] = +{ + { + .name = "ttyS", + .write = ifxmipsasc_console_write, + .device = uart_console_device, + .setup = ifxmipsasc_console_setup, + .flags = CON_PRINTBUFFER, + .index = 0, + .data = &ifxmipsasc_reg, + }, { + .name = "ttyS", + .write = ifxmipsasc_console_write, + .device = uart_console_device, + .setup = ifxmipsasc_console_setup, + .flags = CON_PRINTBUFFER, + .index = 1, + .data = &ifxmipsasc_reg, + } +}; + +static int __init ifxmipsasc_console_init(void) +{ + register_console(&ifxmipsasc_console[0]); + register_console(&ifxmipsasc_console[1]); + return 0; +} +console_initcall(ifxmipsasc_console_init); + +static struct uart_driver ifxmipsasc_reg = { + .owner = THIS_MODULE, + .driver_name = "serial", + .dev_name = "ttyS", + .major = TTY_MAJOR, + .minor = 64, + .nr = 2, + .cons = &ifxmipsasc_console[1], +}; + +int __init ifxmipsasc_init(void) +{ + int ret; + uart_register_driver(&ifxmipsasc_reg); + ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[0]); + ret = uart_add_one_port(&ifxmipsasc_reg, &ifxmipsasc_port[1]); + return 0; +} + +void __exit ifxmipsasc_exit(void) +{ + uart_unregister_driver(&ifxmipsasc_reg); +} + +module_init(ifxmipsasc_init); +module_exit(ifxmipsasc_exit); + +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("MIPS IFXMips serial port driver"); +MODULE_LICENSE("GPL"); diff --git a/target/linux/ifxmips/files-2.6.32/drivers/watchdog/ifxmips.c b/target/linux/ifxmips/files-2.6.32/drivers/watchdog/ifxmips.c new file mode 100644 index 0000000000..b06307cb76 --- /dev/null +++ b/target/linux/ifxmips/files-2.6.32/drivers/watchdog/ifxmips.c @@ -0,0 +1,195 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Copyright (C) 2008 John Crispin <blogic@openwrt.org> + * Based on EP93xx wdt driver + */ + +#include <linux/module.h> +#include <linux/fs.h> +#include <linux/miscdevice.h> +#include <linux/miscdevice.h> +#include <linux/watchdog.h> +#include <linux/platform_device.h> +#include <linux/uaccess.h> + +#include <ifxmips.h> +#include <ifxmips_cgu.h> + +#define IFXMIPS_WDT_PW1 0x00BE0000 +#define IFXMIPS_WDT_PW2 0x00DC0000 + +#ifndef CONFIG_WATCHDOG_NOWAYOUT +static int wdt_ok_to_close; +#endif + +static int wdt_timeout = 30; + +int ifxmips_wdt_enable(unsigned int timeout) +{ + u32 fpi; + fpi = cgu_get_io_region_clock(); + ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR); + ifxmips_w32(IFXMIPS_WDT_PW2 | + (0x3 << 26) | /* PWL */ + (0x3 << 24) | /* CLKDIV */ + (0x1 << 31) | /* enable */ + ((timeout * (fpi / 0x40000)) + 0x1000), /* reload */ + IFXMIPS_BIU_WDT_CR); + return 0; +} + +void ifxmips_wdt_disable(void) +{ +#ifndef CONFIG_WATCHDOG_NOWAYOUT + wdt_ok_to_close = 0; +#endif + ifxmips_w32(IFXMIPS_WDT_PW1, IFXMIPS_BIU_WDT_CR); + ifxmips_w32(IFXMIPS_WDT_PW2, IFXMIPS_BIU_WDT_CR); +} + +static ssize_t ifxmips_wdt_write(struct file *file, const char __user *data, + size_t len, loff_t *ppos) +{ + size_t i; + + if (!len) + return 0; + +#ifndef CONFIG_WATCHDOG_NOWAYOUT + for (i = 0; i != len; i++) { + char c; + if (get_user(c, data + i)) + return -EFAULT; + if (c == 'V') + wdt_ok_to_close = 1; + } +#endif + ifxmips_wdt_enable(wdt_timeout); + return len; +} + +static struct watchdog_info ident = { + .options = WDIOF_MAGICCLOSE, + .identity = "ifxmips Watchdog", +}; + +static int ifxmips_wdt_ioctl(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg) +{ + int ret = -ENOTTY; + + switch (cmd) { + case WDIOC_GETSUPPORT: + ret = copy_to_user((struct watchdog_info __user *)arg, &ident, + sizeof(ident)) ? -EFAULT : 0; + break; + + case WDIOC_GETTIMEOUT: + ret = put_user(wdt_timeout, (int __user *)arg); + break; + + case WDIOC_SETTIMEOUT: + ret = get_user(wdt_timeout, (int __user *)arg); + break; + + case WDIOC_KEEPALIVE: + ifxmips_wdt_enable(wdt_timeout); + ret = 0; + break; + } + return ret; +} + +static int ifxmips_wdt_open(struct inode *inode, struct file *file) +{ + ifxmips_wdt_enable(wdt_timeout); + return nonseekable_open(inode, file); +} + +static int ifxmips_wdt_release(struct inode *inode, struct file *file) +{ +#ifndef CONFIG_WATCHDOG_NOWAYOUT + if (wdt_ok_to_close) + ifxmips_wdt_disable(); + else +#endif + printk(KERN_ERR "ifxmips_wdt: watchdog closed without warning," + " rebooting system\n"); + return 0; +} + +static const struct file_operations ifxmips_wdt_fops = { + .owner = THIS_MODULE, + .write = ifxmips_wdt_write, + .ioctl = ifxmips_wdt_ioctl, + .open = ifxmips_wdt_open, + .release = ifxmips_wdt_release, +}; + +static struct miscdevice ifxmips_wdt_miscdev = { + .minor = WATCHDOG_MINOR, + .name = "watchdog", + .fops = &ifxmips_wdt_fops, +}; + +static int ifxmips_wdt_probe(struct platform_device *dev) +{ + int err; + err = misc_register(&ifxmips_wdt_miscdev); + if (err) + printk(KERN_INFO "ifxmips_wdt: error creating device\n"); + else + printk(KERN_INFO "ifxmips_wdt: loaded\n"); + return err; +} + +static int ifxmips_wdt_remove(struct platform_device *dev) +{ + ifxmips_wdt_disable(); + misc_deregister(&ifxmips_wdt_miscdev); + return 0; +} + + +static struct platform_driver ifxmips_wdt_driver = { + .probe = ifxmips_wdt_probe, + .remove = ifxmips_wdt_remove, + .driver = { + .name = "ifxmips_wdt", + .owner = THIS_MODULE, + }, +}; + +static int __init init_ifxmips_wdt(void) +{ + int ret = platform_driver_register(&ifxmips_wdt_driver); + if (ret) + printk(KERN_INFO "ifxmips_wdt: error registering platfom driver!"); + return ret; +} + +static void __exit exit_ifxmips_wdt(void) +{ + platform_driver_unregister(&ifxmips_wdt_driver); +} + +module_init(init_ifxmips_wdt); +module_exit(exit_ifxmips_wdt); + +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("ifxmips Watchdog"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); diff --git a/target/linux/ifxmips/patches-2.6.32/000-mips-bad-intctl.patch b/target/linux/ifxmips/patches-2.6.32/000-mips-bad-intctl.patch new file mode 100644 index 0000000000..bd1b399c12 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/000-mips-bad-intctl.patch @@ -0,0 +1,36 @@ +Index: linux-2.6.30.5/arch/mips/kernel/traps.c +=================================================================== +--- linux-2.6.30.5.orig/arch/mips/kernel/traps.c 2009-08-16 23:19:38.000000000 +0200 ++++ linux-2.6.30.5/arch/mips/kernel/traps.c 2009-09-02 18:23:37.000000000 +0200 +@@ -1542,7 +1542,16 @@ + */ + if (cpu_has_mips_r2) { + cp0_compare_irq = (read_c0_intctl() >> 29) & 7; ++ if (!cp0_compare_irq) ++ cp0_compare_irq = CP0_LEGACY_COMPARE_IRQ; ++ + cp0_perfcount_irq = (read_c0_intctl() >> 26) & 7; ++ if (!cp0_perfcount_irq) ++ cp0_perfcount_irq = CP0_LEGACY_PERFCNT_IRQ; ++ ++ if (arch_fixup_c0_irqs) ++ arch_fixup_c0_irqs(); ++ + if (cp0_perfcount_irq == cp0_compare_irq) + cp0_perfcount_irq = -1; + } else { +Index: linux-2.6.30.5/arch/mips/include/asm/irq.h +=================================================================== +--- linux-2.6.30.5.orig/arch/mips/include/asm/irq.h 2009-09-02 18:24:49.000000000 +0200 ++++ linux-2.6.30.5/arch/mips/include/asm/irq.h 2009-09-02 18:26:05.000000000 +0200 +@@ -157,8 +157,10 @@ + * IE7. Since R2 their number has to be read from the c0_intctl register. + */ + #define CP0_LEGACY_COMPARE_IRQ 7 ++#define CP0_LEGACY_PERFCNT_IRQ 7 + + extern int cp0_compare_irq; + extern int cp0_perfcount_irq; ++extern void __weak arch_fixup_c0_irqs(void); + + #endif /* _ASM_IRQ_H */ diff --git a/target/linux/ifxmips/patches-2.6.32/010-mips_clocksource_init_war.patch b/target/linux/ifxmips/patches-2.6.32/010-mips_clocksource_init_war.patch new file mode 100644 index 0000000000..15fd78f4e6 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/010-mips_clocksource_init_war.patch @@ -0,0 +1,35 @@ +Index: linux-2.6.32.10/arch/mips/kernel/cevt-r4k.c +=================================================================== +--- linux-2.6.32.10.orig/arch/mips/kernel/cevt-r4k.c 2010-04-02 21:11:39.000000000 +0200 ++++ linux-2.6.32.10/arch/mips/kernel/cevt-r4k.c 2010-04-02 21:11:52.000000000 +0200 +@@ -22,6 +22,22 @@ + + #ifndef CONFIG_MIPS_MT_SMTC + ++/* ++ * Compare interrupt can be routed and latched outside the core, ++ * so a single execution hazard barrier may not be enough to give ++ * it time to clear as seen in the Cause register. 4 time the ++ * pipeline depth seems reasonably conservative, and empirically ++ * works better in configurations with high CPU/bus clock ratios. ++ */ ++ ++#define compare_change_hazard() \ ++ do { \ ++ irq_disable_hazard(); \ ++ irq_disable_hazard(); \ ++ irq_disable_hazard(); \ ++ irq_disable_hazard(); \ ++ } while (0) ++ + static int mips_next_event(unsigned long delta, + struct clock_event_device *evt) + { +@@ -31,6 +47,7 @@ + cnt = read_c0_count(); + cnt += delta; + write_c0_compare(cnt); ++ compare_change_hazard(); + res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0; + return res; + } diff --git a/target/linux/ifxmips/patches-2.6.32/020-genirq_fix.patch b/target/linux/ifxmips/patches-2.6.32/020-genirq_fix.patch new file mode 100644 index 0000000000..852729f092 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/020-genirq_fix.patch @@ -0,0 +1,14 @@ +Index: linux-2.6.33.2/kernel/irq/chip.c +=================================================================== +--- linux-2.6.33.2.orig/kernel/irq/chip.c 2010-04-02 01:02:33.000000000 +0200 ++++ linux-2.6.33.2/kernel/irq/chip.c 2010-04-02 23:37:40.000000000 +0200 +@@ -650,6 +650,9 @@ + + kstat_incr_irqs_this_cpu(irq, desc); + ++ if (unlikely(!desc->action || (desc->status & IRQ_DISABLED))) ++ return; ++ + if (desc->chip->ack) + desc->chip->ack(irq); + diff --git a/target/linux/ifxmips/patches-2.6.32/030-mips-multi-machine-update.patch b/target/linux/ifxmips/patches-2.6.32/030-mips-multi-machine-update.patch new file mode 100644 index 0000000000..d63587901d --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/030-mips-multi-machine-update.patch @@ -0,0 +1,134 @@ +--- a/arch/mips/kernel/mips_machine.c ++++ b/arch/mips/kernel/mips_machine.c +@@ -7,12 +7,13 @@ + * + */ + #include <linux/mm.h> ++#include <linux/string.h> + + #include <asm/mips_machine.h> +-#include <asm/bootinfo.h> + + static struct list_head mips_machines __initdata = + LIST_HEAD_INIT(mips_machines); ++static char *mips_machid __initdata; + + char *mips_machine_name = "Unknown"; + +@@ -55,20 +56,65 @@ void __init mips_machine_set_name(char * + } + } + +-void __init mips_machine_setup(unsigned long machtype) ++void __init mips_machine_setup(void) + { + struct mips_machine *mach; + +- mach = mips_machine_find(machtype); ++ mach = mips_machine_find(mips_machtype); + if (!mach) { +- printk(KERN_ALERT "MIPS: no machine registered for " +- "machtype %lu\n", machtype); ++ printk(KERN_WARNING "MIPS: no machine registered for " ++ "machtype %lu\n", mips_machtype); + return; + } + + mips_machine_set_name(mach->mach_name); +- printk(KERN_INFO "MIPS: machine is %s\n", mips_machine_name); ++ printk(KERN_NOTICE "MIPS: machine is %s\n", mips_machine_name); + + if (mach->mach_setup) + mach->mach_setup(); + } ++ ++int __init mips_machtype_setup(char *id) ++{ ++ if (mips_machid == NULL) ++ mips_machid = id; ++ ++ return 1; ++} ++ ++__setup("machtype=", mips_machtype_setup); ++ ++static int __init mips_machtype_init(void) ++{ ++ struct list_head *this; ++ struct mips_machine *mach; ++ ++ if (mips_machid == NULL) ++ return 0; ++ ++ list_for_each(this, &mips_machines) { ++ mach = list_entry(this, struct mips_machine, list); ++ if (mach->mach_id == NULL) ++ continue; ++ ++ if (strcmp(mach->mach_id, mips_machid) == 0) { ++ mips_machtype = mach->mach_type; ++ return 0; ++ } ++ } ++ ++ printk(KERN_WARNING ++ "MIPS: no machine found for id: '%s', registered machines:\n", ++ mips_machid); ++ printk(KERN_WARNING "%32s %s\n", "id", "name"); ++ ++ list_for_each(this, &mips_machines) { ++ mach = list_entry(this, struct mips_machine, list); ++ printk(KERN_WARNING "%32s %s\n", ++ mach->mach_id ? mach->mach_id : "", mach->mach_name); ++ } ++ ++ return 0; ++} ++ ++core_initcall(mips_machtype_init); +--- a/arch/mips/include/asm/mips_machine.h ++++ b/arch/mips/include/asm/mips_machine.h +@@ -13,25 +13,33 @@ + #include <linux/init.h> + #include <linux/list.h> + ++#include <asm/bootinfo.h> ++ + struct mips_machine { + unsigned long mach_type; +- void (*mach_setup)(void); ++ char *mach_id; + char *mach_name; ++ void (*mach_setup)(void); + struct list_head list; + }; + + void mips_machine_register(struct mips_machine *) __init; +-void mips_machine_setup(unsigned long machtype) __init; ++void mips_machine_setup(void) __init; ++int mips_machtype_setup(char *id) __init; + void mips_machine_set_name(char *name) __init; + + extern char *mips_machine_name; + +-#define MIPS_MACHINE(_type, _name, _setup) \ +-static char machine_name_##_type[] __initdata = _name; \ ++#define MIPS_MACHINE(_type, _id, _name, _setup) \ ++static const char machine_name_##_type[] __initconst \ ++ __aligned(1) = _name; \ ++static const char machine_id_##_type[] __initconst \ ++ __aligned(1) = _id; \ + static struct mips_machine machine_##_type __initdata = \ + { \ + .mach_type = _type, \ +- .mach_name = machine_name_##_type, \ ++ .mach_id = (char *) machine_id_##_type, \ ++ .mach_name = (char *) machine_name_##_type, \ + .mach_setup = _setup, \ + }; \ + \ +@@ -44,4 +52,3 @@ static int __init register_machine_##_ty + pure_initcall(register_machine_##_type) + + #endif /* __ASM_MIPS_MACHINE_H */ +- diff --git a/target/linux/ifxmips/patches-2.6.32/100-board.patch b/target/linux/ifxmips/patches-2.6.32/100-board.patch new file mode 100644 index 0000000000..651371bfef --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/100-board.patch @@ -0,0 +1,58 @@ +Index: linux-2.6.33.2/arch/mips/Kconfig +=================================================================== +--- linux-2.6.33.2.orig/arch/mips/Kconfig 2010-04-02 23:31:00.000000000 +0200 ++++ linux-2.6.33.2/arch/mips/Kconfig 2010-04-02 23:38:38.000000000 +0200 +@@ -139,6 +139,9 @@ + + otherwise choose R3000. + ++config IFXMIPS ++ bool "Infineon MIPS" ++ + config MACH_JAZZ + bool "Jazz family of machines" + select ARC +@@ -693,6 +696,7 @@ + source "arch/mips/vr41xx/Kconfig" + source "arch/mips/cavium-octeon/Kconfig" + source "arch/mips/loongson/Kconfig" ++source "arch/mips/ifxmips/Kconfig" + + endmenu + +Index: linux-2.6.33.2/arch/mips/Makefile +=================================================================== +--- linux-2.6.33.2.orig/arch/mips/Makefile 2010-04-02 23:31:01.000000000 +0200 ++++ linux-2.6.33.2/arch/mips/Makefile 2010-04-02 23:38:38.000000000 +0200 +@@ -317,6 +317,18 @@ + load-$(CONFIG_MIPS_COBALT) += 0xffffffff80080000 + + # ++# Infineon IFXMIPS ++# ++core-$(CONFIG_IFXMIPS) += arch/mips/ifxmips/common/ ++cflags-$(CONFIG_IFXMIPS) += -I$(srctree)/arch/mips/include/asm/mach-ifxmips ++ ++core-$(CONFIG_IFXMIPS_DANUBE) += arch/mips/ifxmips/danube/ ++cflags-$(CONFIG_IFXMIPS_DANUBE) += -I$(srctree)/arch/mips/include/asm/mach-ifxmips/danube/ ++load-$(CONFIG_IFXMIPS_DANUBE) += 0xffffffff80002000 ++ ++core-$(CONFIG_IFXMIPS_COMPAT) += arch/mips/ifxmips/compat/ ++ ++# + # DECstation family + # + core-$(CONFIG_MACH_DECSTATION) += arch/mips/dec/ +Index: linux-2.6.33.2/arch/mips/pci/Makefile +=================================================================== +--- linux-2.6.33.2.orig/arch/mips/pci/Makefile 2010-04-02 01:02:33.000000000 +0200 ++++ linux-2.6.33.2/arch/mips/pci/Makefile 2010-04-02 23:38:38.000000000 +0200 +@@ -55,7 +55,7 @@ + obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o + obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o + obj-$(CONFIG_CPU_CAVIUM_OCTEON) += pci-octeon.o pcie-octeon.o +- ++obj-$(CONFIG_IFXMIPS) += pci-ifxmips.o ops-ifxmips.o + ifdef CONFIG_PCI_MSI + obj-$(CONFIG_CPU_CAVIUM_OCTEON) += msi-octeon.o + endif diff --git a/target/linux/ifxmips/patches-2.6.32/110-drivers.patch b/target/linux/ifxmips/patches-2.6.32/110-drivers.patch new file mode 100644 index 0000000000..bb402d6270 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/110-drivers.patch @@ -0,0 +1,121 @@ +--- a/drivers/serial/Kconfig ++++ b/drivers/serial/Kconfig +@@ -1383,6 +1383,14 @@ config SERIAL_OF_PLATFORM_NWPSERIAL_CONS + help + Support for Console on the NWP serial ports. + ++config SERIAL_IFXMIPS ++ bool "IFXMips serial driver" ++ depends on IFXMIPS ++ select SERIAL_CORE ++ select SERIAL_CORE_CONSOLE ++ help ++ Driver for the ifxmipss built in ASC hardware ++ + config SERIAL_QE + tristate "Freescale QUICC Engine serial port support" + depends on QUICC_ENGINE +--- a/drivers/serial/Makefile ++++ b/drivers/serial/Makefile +@@ -81,3 +81,4 @@ obj-$(CONFIG_SERIAL_KS8695) += serial_ks + obj-$(CONFIG_KGDB_SERIAL_CONSOLE) += kgdboc.o + obj-$(CONFIG_SERIAL_QE) += ucc_uart.o + obj-$(CONFIG_SERIAL_TIMBERDALE) += timbuart.o ++obj-$(CONFIG_SERIAL_IFXMIPS) += ifxmips.o +--- a/drivers/net/Kconfig ++++ b/drivers/net/Kconfig +@@ -343,6 +343,12 @@ config MACB + + source "drivers/net/arm/Kconfig" + ++config IFXMIPS_MII0 ++ tristate "Infineon IFXMips eth0 driver" ++ depends on IFXMIPS ++ help ++ Support for the MII0 inside the IFXMips SOC ++ + config AX88796 + tristate "ASIX AX88796 NE2000 clone support" + depends on ARM || MIPS || SUPERH +--- a/drivers/net/Makefile ++++ b/drivers/net/Makefile +@@ -247,6 +247,7 @@ pasemi_mac_driver-objs := pasemi_mac.o p + obj-$(CONFIG_MLX4_CORE) += mlx4/ + obj-$(CONFIG_ENC28J60) += enc28j60.o + obj-$(CONFIG_ETHOC) += ethoc.o ++obj-$(CONFIG_IFXMIPS_MII0) += ifxmips.o + + obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o + +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -259,6 +259,12 @@ config MTD_ALCHEMY + help + Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards + ++config MTD_IFXMIPS ++ tristate "IFXMIPS MTD support" ++ depends on IFXMIPS ++ help ++ Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards ++ + config MTD_DILNETPC + tristate "CFI Flash device mapped on DIL/Net PC" + depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -61,3 +61,4 @@ obj-$(CONFIG_MTD_BFIN_ASYNC) += bfin-asy + obj-$(CONFIG_MTD_RBTX4939) += rbtx4939-flash.o + obj-$(CONFIG_MTD_VMU) += vmu-flash.o + obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o ++obj-$(CONFIG_MTD_IFXMIPS) += ifxmips.o +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -850,6 +850,12 @@ config TXX9_WDT + help + Hardware driver for the built-in watchdog timer on TXx9 MIPS SoCs. + ++config IFXMIPS_WDT ++ bool "IFXMips watchdog" ++ depends on IFXMIPS ++ help ++ Hardware driver for the IFXMIPS Watchdog Timer. ++ + # PARISC Architecture + + # POWERPC Architecture +--- a/drivers/watchdog/Makefile ++++ b/drivers/watchdog/Makefile +@@ -113,6 +113,7 @@ obj-$(CONFIG_WDT_RM9K_GPI) += rm9k_wdt.o + obj-$(CONFIG_SIBYTE_WDOG) += sb_wdog.o + obj-$(CONFIG_AR7_WDT) += ar7_wdt.o + obj-$(CONFIG_TXX9_WDT) += txx9wdt.o ++obj-$(CONFIG_IFXMIPS_WDT) += ifxmips.o + + # PARISC Architecture + +--- a/drivers/leds/Kconfig ++++ b/drivers/leds/Kconfig +@@ -236,6 +236,12 @@ config LEDS_BD2802 + This option enables support for BD2802GU RGB LED driver chips + accessed via the I2C bus. + ++config LEDS_IFXMIPS ++ tristate "LED Support for IFXMIPS LEDs" ++ depends on LEDS_CLASS && IFXMIPS ++ help ++ This option enables support for the CM-X270 LEDs. ++ + comment "LED Triggers" + + config LEDS_TRIGGERS +--- a/drivers/leds/Makefile ++++ b/drivers/leds/Makefile +@@ -29,6 +29,7 @@ obj-$(CONFIG_LEDS_DA903X) += leds-da903 + obj-$(CONFIG_LEDS_WM831X_STATUS) += leds-wm831x-status.o + obj-$(CONFIG_LEDS_WM8350) += leds-wm8350.o + obj-$(CONFIG_LEDS_PWM) += leds-pwm.o ++obj-$(CONFIG_LEDS_IFXMIPS) += leds-ifxmips.o + + # LED SPI Drivers + obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o diff --git a/target/linux/ifxmips/patches-2.6.32/170-crypto.patch b/target/linux/ifxmips/patches-2.6.32/170-crypto.patch new file mode 100644 index 0000000000..3667a3893c --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/170-crypto.patch @@ -0,0 +1,76 @@ +--- a/drivers/crypto/Kconfig ++++ b/drivers/crypto/Kconfig +@@ -209,4 +209,66 @@ config CRYPTO_DEV_PPC4XX + help + This option allows you to have support for AMCC crypto acceleration. + ++config CRYPTO_DEV_IFXMIPS ++ bool "Support for IFXMIPS crypto engine" ++ select CRYPTO_ALGAPI ++ default y ++ help ++ Will support IFXMIPS crypto hardware ++ If you are unsure, say M. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_DES ++ bool "IFXMIPS crypto hardware for DES algorithm" ++ depends on CRYPTO_DEV_IFXMIPS ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for DES/3DES algorithm. ++ If unsure say N. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_AES ++ bool "IFXMIPS crypto hardware for AES algorithm" ++ depends on CRYPTO_DEV_IFXMIPS ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for AES algorithm. ++ If unsure say N. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_ARC4 ++ bool "IFXMIPS crypto hardware for ARC4 algorithm" ++ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE) ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for ARC4 algorithm. ++ If unsure say N. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_SHA1 ++ bool "IFXMIPS crypto hardware for SHA1 algorithm" ++ depends on CRYPTO_DEV_IFXMIPS ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for SHA1 algorithm. ++ If unsure say N. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_SHA1_HMAC ++ bool "IFXMIPS crypto hardware for SHA1_HMAC algorithm" ++ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE) ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for SHA1_HMAC algorithm. ++ If unsure say N. ++ ++menuconfig CRYPTO_DEV_IFXMIPS_MD5_HMAC ++ bool "IFXMIPS crypto hardware for MD5_HMAC algorithms" ++ depends on (CRYPTO_DEV_IFXMIPS && !DANUBE) ++ select CRYPTO_BLKCIPHER ++ default y ++ help ++ Use crypto hardware for MD5_HMAC algorithm. ++ If unsure say N. ++ + endif # CRYPTO_HW +--- a/drivers/crypto/Makefile ++++ b/drivers/crypto/Makefile +@@ -5,3 +5,4 @@ obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hi + obj-$(CONFIG_CRYPTO_DEV_TALITOS) += talitos.o + obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o + obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/ ++obj-$(CONFIG_CRYPTO_DEV_IFXMIPS) += ifxmips/ diff --git a/target/linux/ifxmips/patches-2.6.32/200-cfi-swap.patch b/target/linux/ifxmips/patches-2.6.32/200-cfi-swap.patch new file mode 100644 index 0000000000..00afd4cfd0 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/200-cfi-swap.patch @@ -0,0 +1,38 @@ +--- a/drivers/mtd/chips/cfi_cmdset_0001.c ++++ b/drivers/mtd/chips/cfi_cmdset_0001.c +@@ -41,7 +41,11 @@ + /* #define CMDSET0001_DISABLE_WRITE_SUSPEND */ + + // debugging, turns off buffer write mode if set to 1 +-#define FORCE_WORD_WRITE 0 ++#ifdef CONFIG_IFXMIPS ++# define FORCE_WORD_WRITE 1 ++#else ++# define FORCE_WORD_WRITE 0 ++#endif + + #define MANUFACTURER_INTEL 0x0089 + #define I82802AB 0x00ad +@@ -1480,6 +1484,9 @@ static int __xipram do_write_oneword(str + int ret=0; + + adr += chip->start; ++#ifdef CONFIG_IFXMIPS ++ adr ^= 2; ++#endif + + switch (mode) { + case FL_WRITING: +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -1079,7 +1079,9 @@ static int __xipram do_write_oneword(str + int retry_cnt = 0; + + adr += chip->start; +- ++#ifdef CONFIG_IFXMIPS ++ adr ^= 2; ++#endif + spin_lock(chip->mutex); + ret = get_chip(map, chip, adr, FL_WRITING); + if (ret) { diff --git a/target/linux/ifxmips/patches-2.6.32/210-atm_hack.patch b/target/linux/ifxmips/patches-2.6.32/210-atm_hack.patch new file mode 100644 index 0000000000..e66b7e0c16 --- /dev/null +++ b/target/linux/ifxmips/patches-2.6.32/210-atm_hack.patch @@ -0,0 +1,42 @@ +--- a/arch/mips/mm/cache.c ++++ b/arch/mips/mm/cache.c +@@ -52,6 +52,8 @@ void (*_dma_cache_wback)(unsigned long s + void (*_dma_cache_inv)(unsigned long start, unsigned long size); + + EXPORT_SYMBOL(_dma_cache_wback_inv); ++EXPORT_SYMBOL(_dma_cache_wback); ++EXPORT_SYMBOL(_dma_cache_inv); + + #endif /* CONFIG_DMA_NONCOHERENT */ + +--- a/net/atm/proc.c ++++ b/net/atm/proc.c +@@ -152,7 +152,7 @@ static void *vcc_seq_next(struct seq_fil + static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc) + { + static const char *const class_name[] = +- {"off","UBR","CBR","VBR","ABR"}; ++ {"off","UBR","CBR","NTR-VBR","ABR","ANY","RT-VBR","UBR+","GFR" }; + static const char *const aal_name[] = { + "---", "1", "2", "3/4", /* 0- 3 */ + "???", "5", "???", "???", /* 4- 7 */ +--- a/net/atm/common.c ++++ b/net/atm/common.c +@@ -56,12 +56,17 @@ static void vcc_remove_socket(struct soc + write_unlock_irq(&vcc_sklist_lock); + } + ++struct sk_buff* (*ifx_atm_alloc_tx)(struct atm_vcc *, unsigned int) = NULL; ++EXPORT_SYMBOL(ifx_atm_alloc_tx); + + static struct sk_buff *alloc_tx(struct atm_vcc *vcc,unsigned int size) + { + struct sk_buff *skb; + struct sock *sk = sk_atm(vcc); + ++ if (ifx_atm_alloc_tx != NULL) ++ return ifx_atm_alloc_tx(vcc, size); ++ + if (sk_wmem_alloc_get(sk) && !atm_may_send(vcc, size)) { + pr_debug("Sorry: wmem_alloc = %d, size = %d, sndbuf = %d\n", + sk_wmem_alloc_get(sk), size, |