diff options
Diffstat (limited to 'target/linux/adm8668')
27 files changed, 2993 insertions, 0 deletions
diff --git a/target/linux/adm8668/config-3.18 b/target/linux/adm8668/config-3.18 new file mode 100644 index 0000000000..0c24c1786e --- /dev/null +++ b/target/linux/adm8668/config-3.18 @@ -0,0 +1,104 @@ +CONFIG_ADM8668=y +CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y +CONFIG_ARCH_DISCARD_MEMBLOCK=y +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ARM_AMBA=y +# CONFIG_ARM_SP805_WATCHDOG is not set +CONFIG_CEVT_R4K=y +CONFIG_CEVT_R4K_LIB=y +CONFIG_CMDLINE="console=ttyS0 earlyprintk" +CONFIG_CMDLINE_BOOL=y +CONFIG_CMDLINE_OVERRIDE=y +CONFIG_CPU_HAS_PREFETCH=y +CONFIG_CPU_HAS_SYNC=y +CONFIG_CPU_LITTLE_ENDIAN=y +CONFIG_CPU_MIPS32=y +CONFIG_CPU_MIPS32_R1=y +CONFIG_CPU_MIPSR1=y +CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y +CONFIG_CPU_SUPPORTS_HIGHMEM=y +CONFIG_CSRC_R4K=y +CONFIG_CSRC_R4K_LIB=y +# CONFIG_DE2104X is not set +# CONFIG_DE4X5 is not set +CONFIG_DECOMPRESS_LZMA=y +# CONFIG_DM9102 is not set +CONFIG_DMA_NONCOHERENT=y +CONFIG_EARLY_PRINTK=y +CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +CONFIG_GENERIC_GPIO=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_PCI_IOMAP=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_JUMP_LABEL=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_C_RECORDMCOUNT=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y +CONFIG_HAVE_GENERIC_DMA_COHERENT=y +CONFIG_HAVE_GENERIC_HARDIRQS=y +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IRQ_WORK=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_MEMBLOCK_NODE_MAP=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_HW_HAS_PCI=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IRQ_CPU=y +CONFIG_IRQ_FORCED_THREADING=y +CONFIG_MIPS=y +CONFIG_MIPS_L1_CACHE_SHIFT=5 +# CONFIG_MIPS_MACHINE is not set +CONFIG_MIPS_MT_DISABLED=y +CONFIG_MTD_ADM8668_NOR=y +CONFIG_NEED_DMA_MAP_STATE=y +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NET_TULIP=y +CONFIG_NO_EXCEPT_FILL=y +CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y +CONFIG_PERF_USE_VMALLOC=y +# CONFIG_PREEMPT_RCU is not set +# CONFIG_SCSI_DMA is not set +# CONFIG_SERIAL_8250 is not set +CONFIG_SERIAL_AMBA_PL010=y +CONFIG_SERIAL_AMBA_PL010_CONSOLE=y +CONFIG_SERIAL_AMBA_PL010_NUMPORTS=2 +CONFIG_SERIAL_AMBA_PL010_PORTNAME="ttyS" +# CONFIG_SERIAL_AMBA_PL011 is not set +CONFIG_SWAP_IO_SPACE=y +CONFIG_SYS_HAS_CPU_MIPS32_R1=y +CONFIG_SYS_HAS_EARLY_PRINTK=y +CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y +CONFIG_SYS_SUPPORTS_ARBIT_HZ=y +CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y +CONFIG_TULIP=y +CONFIG_TULIP_NAPI=y +# CONFIG_TULIP_NAPI_HW_MITIGATION is not set +# CONFIG_TULIP_PCI is not set +CONFIG_TULIP_PLATFORM=y +# CONFIG_ULI526X is not set +CONFIG_USB_ARCH_HAS_XHCI=y +# CONFIG_USB_HCD_BCMA is not set +# CONFIG_USB_HCD_SSB is not set +CONFIG_USB_SUPPORT=y +# CONFIG_WINBOND_840 is not set +CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/Kconfig b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Kconfig new file mode 100644 index 0000000000..2e7281ff0a --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Kconfig @@ -0,0 +1,2 @@ +config ARM_AMBA + def_bool y diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/Makefile b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Makefile new file mode 100644 index 0000000000..515c3a4993 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Makefile @@ -0,0 +1,6 @@ +# +# something witty --neutronscott +# + +obj-y := irq.o prom.o platform.o gpio.o \ + setup.o clock.o time.o early_printk.o \ diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/Platform b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Platform new file mode 100644 index 0000000000..c70cd270be --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/Platform @@ -0,0 +1,6 @@ +# +# Infineon ADM8668 WildPass +# +platform-$(CONFIG_ADM8668) += adm8668/ +cflags-$(CONFIG_ADM8668) += -I$(srctree)/arch/mips/include/asm/mach-adm8668 +load-$(CONFIG_ADM8668) += 0xffffffff80002000 diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/clock.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/clock.c new file mode 100644 index 0000000000..1e010fcc8f --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/clock.c @@ -0,0 +1,76 @@ +/* + * ADM8668 minimal clock support + * + * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org> + * + * Licensed under the terms of the GPLv2 + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/err.h> +#include <linux/clk.h> + +#include <adm8668.h> + +struct clk { + unsigned long rate; +}; + +static struct clk uart_clk = { + .rate = 62500000, +}; + +static struct clk sys_clk; + +struct clk *clk_get(struct device *dev, const char *id) +{ + const char *lookup = id; + + if (dev) + lookup = dev_name(dev); + + if (!strcmp(lookup, "apb:uart0")) + return &uart_clk; + if (!strcmp(lookup, "sys")) + return &sys_clk; + + return ERR_PTR(-ENOENT); +} +EXPORT_SYMBOL(clk_get); + +int clk_enable(struct clk *clk) +{ + return 0; +} +EXPORT_SYMBOL(clk_enable); + +void clk_disable(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_disable); + +unsigned long clk_get_rate(struct clk *clk) +{ + return clk->rate; +} +EXPORT_SYMBOL(clk_get_rate); + +void clk_put(struct clk *clk) +{ +} +EXPORT_SYMBOL(clk_put); + +void __init adm8668_init_clocks(void) +{ + u32 adj; + + /* adjustable clock selection + * CR3 bit 14~11, 0000 -> 175MHz, 0001 -> 180MHz, etc... + */ + adj = (ADM8668_CONFIG_REG(ADM8668_CR3) >> 11) & 0xf; + sys_clk.rate = 175000000 + (adj * 5000000); + + pr_info("ADM8668 CPU clock: %lu MHz\n", sys_clk.rate / 1000000); +} diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c new file mode 100644 index 0000000000..03dd72aa8b --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/early_printk.c @@ -0,0 +1,16 @@ +#include <linux/io.h> +#include <linux/amba/serial.h> +#include <adm8668.h> + +#define UART_READ(r) \ + __raw_readl((void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r))) + +#define UART_WRITE(v, r) \ + __raw_writel((v), (void __iomem *)(KSEG1ADDR(ADM8668_UART0_BASE) + (r))) + +void prom_putchar(char c) +{ + UART_WRITE(c, UART01x_DR); + while ((UART_READ(UART01x_FR) & UART01x_FR_TXFF) != 0) + ; +} diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/gpio.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/gpio.c new file mode 100644 index 0000000000..fb39f7f588 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/gpio.c @@ -0,0 +1,123 @@ +/* + * Infineon/ADMTek ADM8668 WildPass GPIO support + * + * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org> + * + * Licensed under the terms of GPLv2. + * + */ +#include <linux/kernel.h> +#include <linux/gpio.h> +#include <linux/io.h> + +#include <adm8668.h> + +#define GPIO_MASK 0x3f + +#define GPIO_IN_OFS 0 +#define GPIO_OUT_OFS 6 +#define GPIO_OE_OFS 12 + +struct adm8668_gpio_chip { + void __iomem *base; + struct gpio_chip chip; +}; + +static int adm8668_gpio_dir_out(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct adm8668_gpio_chip *c = + container_of(chip, struct adm8668_gpio_chip, chip); + u32 mask; + + /* clear input, set output enable and output value */ + mask = __raw_readl(c->base); + mask &= ~(1 << offset); + mask |= (1 << (offset + GPIO_OE_OFS)); + if (value) + mask |= (1 << (offset + GPIO_OUT_OFS)); + else + mask &= ~(1 << (offset + GPIO_OUT_OFS)); + __raw_writel(mask, c->base); + + return 0; +} + +static int adm8668_gpio_dir_in(struct gpio_chip *chip, + unsigned offset) +{ + struct adm8668_gpio_chip *c = + container_of(chip, struct adm8668_gpio_chip, chip); + u32 mask; + + mask = __raw_readl(c->base); + mask &= ~(((1 << (offset + GPIO_OE_OFS)) | (1 << (offset + GPIO_OUT_OFS)))); + mask |= (1 << offset); + __raw_writel(mask, c->base); + + return 0; +} + +static void adm8668_gpio_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct adm8668_gpio_chip *c = + container_of(chip, struct adm8668_gpio_chip, chip); + u32 mask; + + mask = __raw_readl(c->base); + if (value) + mask |= (1 << (offset + GPIO_OUT_OFS)); + else + mask &= ~(1 << (offset + GPIO_OUT_OFS)); + __raw_writel(mask, c->base); +} + +static int adm8668_gpio_get(struct gpio_chip *chip, + unsigned offset) +{ + struct adm8668_gpio_chip *c = + container_of(chip, struct adm8668_gpio_chip, chip); + u32 value; + + value = __raw_readl(c->base) & GPIO_MASK; + + return value & (1 << offset); +} + +static struct adm8668_gpio_chip adm8668_gpio_cpu = { + .base = (void __iomem *)KSEG1ADDR(ADM8668_CONFIG_BASE + CRGPIO_REG), + .chip = { + .label = "adm8668-cpu-gpio", + .direction_output = adm8668_gpio_dir_out, + .direction_input = adm8668_gpio_dir_in, + .set = adm8668_gpio_set, + .get = adm8668_gpio_get, + .ngpio = 6, + }, +}; + +static struct adm8668_gpio_chip adm8668_gpio_wlan = { + .base = (void __iomem *)KSEG1ADDR(ADM8668_WLAN_BASE + GPIO_REG), + .chip = { + .label = "adm8668-wlan-gpio", + .direction_output = adm8668_gpio_dir_out, + .direction_input = adm8668_gpio_dir_in, + .set = adm8668_gpio_set, + .get = adm8668_gpio_get, + .ngpio = 6, + .base = 6, + }, +}; + +static int __init adm8668_gpio_init(void) +{ + int ret; + + ret = gpiochip_add(&adm8668_gpio_cpu.chip); + if (ret) + return ret; + + return gpiochip_add(&adm8668_gpio_wlan.chip); +} +arch_initcall(adm8668_gpio_init); diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/irq.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/irq.c new file mode 100644 index 0000000000..9d3b2b9b83 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/irq.c @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> + * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/kernel_stat.h> +#include <linux/signal.h> +#include <linux/sched.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/random.h> +#include <linux/pm.h> +#include <linux/irq.h> +#include <asm/mipsregs.h> +#include <asm/irq_cpu.h> +#include <asm/irq.h> +#include <adm8668.h> + +/* interrupt controller */ +#define IRQ_STATUS_REG 0x00 /* Read */ +#define IRQ_ENABLE_REG 0x08 /* Read/Write */ +#define IRQ_DISABLE_REG 0x0C /* Write */ + +#define IRQ_MASK 0xffff + +static inline void intc_write_reg(u32 val, unsigned int reg) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(ADM8668_INTC_BASE); + + __raw_writel(val, base + reg); +} + +static inline u32 intc_read_reg(unsigned int reg) +{ + void __iomem *base = (void __iomem *)KSEG1ADDR(ADM8668_INTC_BASE); + + return __raw_readl(base + reg); +} + +static void adm8668_irq_cascade(void) +{ + int irq; + u32 intsrc; + + intsrc = intc_read_reg(IRQ_STATUS_REG) & IRQ_MASK; + if (intsrc) { + irq = fls(intsrc) - 1; + do_IRQ(irq); + } else + spurious_interrupt(); +} + +/* + * System irq dispatch + */ +void plat_irq_dispatch(void) +{ + unsigned int pending; + + pending = read_c0_cause() & read_c0_status() & ST0_IM; + + /* timer interrupt, that we renumbered */ + if (pending & STATUSF_IP7) + do_IRQ(MIPS_CPU_IRQ_BASE + 7); + else if (pending & STATUSF_IP2) + adm8668_irq_cascade(); + else + spurious_interrupt(); +} + +/* + * enable 8668 irq + */ +static void enable_adm8668_irq(struct irq_data *d) +{ + intc_write_reg((1 << d->irq), IRQ_ENABLE_REG); +} + + +static void ack_adm8668_irq(struct irq_data *d) +{ + intc_write_reg((1 << d->irq), IRQ_DISABLE_REG); +} + +/* + * system irq type + */ + +static struct irq_chip adm8668_irq_type = { + .name = "adm8668", + .irq_ack = ack_adm8668_irq, + .irq_mask = ack_adm8668_irq, + .irq_unmask = enable_adm8668_irq +}; + +/* + * irq init + */ +static void __init init_adm8668_irqs(void) +{ + int i; + + /* disable all interrupts for the moment */ + intc_write_reg(IRQ_MASK, IRQ_DISABLE_REG); + + for (i = 0; i <= ADM8668_IRQ_MAX; i++) + irq_set_chip_and_handler(i, &adm8668_irq_type, + handle_level_irq); + + /* hw0 is where our interrupts are uh.. interrupted at. */ + set_c0_status(IE_IRQ0); +} + +/* + * system init + */ +void __init arch_init_irq(void) +{ + mips_cpu_irq_init(); + init_adm8668_irqs(); +} diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/platform.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/platform.c new file mode 100644 index 0000000000..9e40691f92 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/platform.c @@ -0,0 +1,196 @@ +/* + * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> + * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/platform_data/tulip.h> +#include <linux/usb/ehci_pdriver.h> +#include <linux/mtd/physmap.h> +#include <linux/pci.h> +#include <linux/slab.h> +#include <linux/ioport.h> +#include <linux/amba/bus.h> +#include <linux/amba/serial.h> + +#include <asm/reboot.h> +#include <asm/time.h> +#include <asm/addrspace.h> +#include <asm/bootinfo.h> +#include <asm/io.h> +#include <adm8668.h> + +#define ADM8868_UBOOT_ENV 0x20000 +#define ADM8868_UBOOT_WAN_MAC 0x5ac +#define ADM8868_UBOOT_LAN_MAC 0x404 + +static void adm8668_uart_set_mctrl(struct amba_device *dev, + void __iomem *base, + unsigned int mcrtl) +{ +} + +static struct amba_pl010_data adm8668_uart0_data = { + .set_mctrl = adm8668_uart_set_mctrl, +}; + +static struct amba_device adm8668_uart0_device = { + .dev = { + .init_name = "apb:uart0", + .platform_data = &adm8668_uart0_data, + }, + .res = { + .start = ADM8668_UART0_BASE, + .end = ADM8668_UART0_BASE + 0xF, + .flags = IORESOURCE_MEM, + }, + .irq = { + ADM8668_UART0_IRQ, + -1 + }, + .periphid = 0x0041010, +}; + +static struct resource eth0_resources[] = { + { + .start = ADM8668_LAN_BASE, + .end = ADM8668_LAN_BASE + 256, + .flags = IORESOURCE_MEM, + }, + { + .start = ADM8668_LAN_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct tulip_platform_data eth0_pdata = { + .chip_id = ADM8668, +}; + +static struct platform_device adm8668_eth0_device = { + .name = "tulip", + .id = 0, + .resource = eth0_resources, + .num_resources = ARRAY_SIZE(eth0_resources), + .dev.platform_data = ð0_pdata, +}; + +static struct resource eth1_resources[] = { + { + .start = ADM8668_WAN_BASE, + .end = ADM8668_WAN_BASE + 256, + .flags = IORESOURCE_MEM, + }, + { + .start = ADM8668_WAN_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct tulip_platform_data eth1_pdata = { + .chip_id = ADM8668, +}; + +static struct platform_device adm8668_eth1_device = { + .name = "tulip", + .id = 1, + .resource = eth1_resources, + .num_resources = ARRAY_SIZE(eth1_resources), + .dev.platform_data = ð1_pdata, +}; + +static struct resource usb_resources[] = { + { + .start = ADM8668_USB_BASE, + .end = ADM8668_USB_BASE + 0x1FFFFF, + .flags = IORESOURCE_MEM, + }, + { + .start = ADM8668_USB_IRQ, + .end = ADM8668_USB_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct usb_ehci_pdata usb_pdata = { + .caps_offset = 0x100, + .has_tt = 1, +}; + +static struct platform_device adm8668_usb_device = { + .name = "ehci-platform", + .id = -1, + .resource = usb_resources, + .num_resources = ARRAY_SIZE(usb_resources), + .dev.platform_data = &usb_pdata, +}; + +static struct platform_device *adm8668_devs[] = { + &adm8668_eth0_device, + &adm8668_eth1_device, + &adm8668_usb_device, +}; + +static void adm8668_fetch_mac(int unit) +{ + u8 *mac; + u32 offset; + struct tulip_platform_data *pdata; + + switch (unit) { + case -1: + case 0: + offset = ADM8868_UBOOT_LAN_MAC; + pdata = ð0_pdata; + break; + case 1: + offset = ADM8868_UBOOT_WAN_MAC; + pdata = ð1_pdata; + break; + default: + pr_err("unsupported ethernet unit: %d\n", unit); + return; + } + + mac = (u8 *)(KSEG1ADDR(ADM8668_SMEM1_BASE) + ADM8868_UBOOT_ENV + offset); + + memcpy(pdata->mac, mac, sizeof(pdata->mac)); +} + +static void adm8668_ehci_workaround(void) +{ + u32 chipid; + + chipid = ADM8668_CONFIG_REG(ADM8668_CR0); + ADM8668_CONFIG_REG(ADM8668_CR66) = 0x0C1600D9; + + if (chipid == 0x86880001) + return; + + ADM8668_CONFIG_REG(ADM8668_CR66) &= ~(3 << 20); + ADM8668_CONFIG_REG(ADM8668_CR66) |= (1 << 20); + pr_info("ADM8668: applied USB workaround\n"); +} + + +int __init adm8668_devs_register(void) +{ + int ret; + + ret = amba_device_register(&adm8668_uart0_device, &iomem_resource); + if (ret) + panic("failed to register AMBA UART"); + + adm8668_fetch_mac(0); + adm8668_fetch_mac(1); + adm8668_ehci_workaround(); + + return platform_add_devices(adm8668_devs, ARRAY_SIZE(adm8668_devs)); +} +arch_initcall(adm8668_devs_register); diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/prom.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/prom.c new file mode 100644 index 0000000000..24b77f8b9d --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/prom.c @@ -0,0 +1,95 @@ +/* + * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> + * + * based on work of rb532 prom.c + * Copyright (C) 2003, Peter Sadik <peter.sadik@idt.com> + * Copyright (C) 2005-2006, P.Christeas <p_christ@hol.gr> + * Copyright (C) 2007, Gabor Juhos <juhosg@openwrt.org> + * Felix Fietkau <nbd@openwrt.org> + * Florian Fainelli <florian@openwrt.org> + * + * 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. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/console.h> +#include <linux/string.h> +#include <linux/serial_core.h> +#include <asm/bootinfo.h> +#include <adm8668.h> +#include "u-boot.h" + +register volatile struct global_data *gd asm ("k0"); + +void __init prom_free_prom_memory(void) +{ + /* No prom memory to free */ +} + +static inline int match_tag(char *arg, const char *tag) +{ + return strncmp(arg, tag, strlen(tag)) == 0; +} + +static inline unsigned long tag2ul(char *arg, const char *tag) +{ + char *num; + + num = arg + strlen(tag); + return simple_strtoul(num, 0, 10); +} + +void __init prom_setup_cmdline(void) +{ + char *cp; + int prom_argc; + char **prom_argv; + int i; + + prom_argc = fw_arg0; + prom_argv = (char **)KSEG0ADDR(fw_arg1); + + cp = &(arcs_cmdline[0]); + for (i = 1; i < prom_argc; i++) { + prom_argv[i] = (char *)KSEG0ADDR(prom_argv[i]); + + /* default bootargs has "console=/dev/ttyS0" yet console won't + * show up at all if you include the '/dev/' nowadays ... */ + if (match_tag(prom_argv[i], "console=/dev/")) { + char *ptr = prom_argv[i] + strlen("console=/dev/"); + + strcpy(cp, "console="); + cp += strlen("console="); + strcpy(cp, ptr); + cp += strlen(ptr); + *cp++ = ' '; + continue; + } + strcpy(cp, prom_argv[i]); + cp += strlen(prom_argv[i]); + *cp++ = ' '; + } + if (prom_argc > 1) + --cp; /* trailing space */ + + *cp = '\0'; +} + +void __init prom_init(void) +{ + bd_t *bd = gd->bd; + int memsize; + + memsize = bd->bi_memsize; + printk("Board info:\n"); + printk(" RAM size: %d MB\n", (int)memsize/(1024*1024)); + printk(" NOR start: %#lx\n", bd->bi_flashstart); + printk(" NOR size: %#lx\n", bd->bi_flashsize); + + prom_setup_cmdline(); + add_memory_region(0, memsize, BOOT_MEM_RAM); +} diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/setup.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/setup.c new file mode 100644 index 0000000000..b33c483d24 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/setup.c @@ -0,0 +1,36 @@ +#include <linux/init.h> +#include <linux/reboot.h> + +#include <asm/reboot.h> +#include <adm8668.h> + +static void adm8668_restart(char *cmd) +{ + int i; + + /* the real deal */ + for (i = 0; i < 1000; i++) + ; + ADM8668_CONFIG_REG(ADM8668_CR1) = 1; +} + +void __init plat_mem_setup(void) +{ + _machine_restart = adm8668_restart; +} + +const char *get_system_type(void) +{ + unsigned long chipid = ADM8668_CONFIG_REG(ADM8668_CR0); + int product, revision; + static char ret[32]; + + product = chipid >> 16; + revision = chipid & 0xffff; + + /* i getting fancy :\ */ + snprintf(ret, sizeof(ret), "ADM%xr%x", product, revision); + + return ret; +} + diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/time.c b/target/linux/adm8668/files-3.18/arch/mips/adm8668/time.c new file mode 100644 index 0000000000..87bdd66965 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/time.c @@ -0,0 +1,20 @@ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/clk.h> + +#include <asm/time.h> +#include <adm8668.h> + +void __init plat_time_init(void) +{ + struct clk *sys_clk; + + adm8668_init_clocks(); + + sys_clk = clk_get(NULL, "sys"); + if (IS_ERR(sys_clk)) + panic("unable to get system clock\n"); + + mips_hpt_frequency = clk_get_rate(sys_clk) / 2; +} + diff --git a/target/linux/adm8668/files-3.18/arch/mips/adm8668/u-boot.h b/target/linux/adm8668/files-3.18/arch/mips/adm8668/u-boot.h new file mode 100644 index 0000000000..d9d226889b --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/adm8668/u-boot.h @@ -0,0 +1,52 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, <wd@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ + +#ifndef _U_BOOT_H_ +#define _U_BOOT_H_ 1 + +typedef struct bd_info { + int bi_baudrate; /* serial console baudrate */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned char bi_enetaddr[6]; /* Ethernet adress */ + unsigned long bi_arch_number; /* unique id for this board */ + unsigned long bi_boot_params; /* where this board expects params */ + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ +} bd_t; + +struct global_data { + bd_t *bd; /* board data... */ + unsigned long flags; + unsigned long baudrate; + unsigned long have_console; /* serial_init() was called */ + unsigned long ram_size; /* RAM size */ + unsigned long reloc_off; /* Relocation Offset */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + void **jt; /* jump table */ +}; + +#endif /* _U_BOOT_H_ */ diff --git a/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/adm8668.h b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/adm8668.h new file mode 100644 index 0000000000..8a16863c08 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/adm8668.h @@ -0,0 +1,69 @@ +/************************************************************************ + * + * Copyright (c) 2005 + * Infineon Technologies AG + * St. Martin Strasse 53; 81669 Muenchen; Germany + * + ************************************************************************/ + +#ifndef __ADM8668_H__ +#define __ADM8668_H__ + +/*======================= Physical Memory Map ============================*/ +#define ADM8668_SDRAM_BASE 0 +#define ADM8668_SMEM1_BASE 0x10000000 +#define ADM8668_MPMC_BASE 0x11000000 +#define ADM8668_USB_BASE 0x11200000 +#define ADM8668_CONFIG_BASE 0x11400000 +#define ADM8668_WAN_BASE 0x11600000 +#define ADM8668_WLAN_BASE 0x11800000 +#define ADM8668_LAN_BASE 0x11A00000 +#define ADM8668_INTC_BASE 0x1E000000 +#define ADM8668_TMR_BASE 0x1E200000 +#define ADM8668_UART0_BASE 0x1E400000 +#define ADM8668_SMEM0_BASE 0x1FC00000 +#define ADM8668_NAND_BASE 0x1FFFFF00 + +#define ADM8668_PCICFG_BASE 0x12200000 +#define ADM8668_PCIDAT_BASE 0x12400000 + +/* interrupt levels */ +#define ADM8668_SWI_IRQ 1 +#define ADM8668_COMMS_RX_IRQ 2 +#define ADM8668_COMMS_TX_IRQ 3 +#define ADM8668_TIMER0_IRQ 4 +#define ADM8668_TIMER1_IRQ 5 +#define ADM8668_UART0_IRQ 6 +#define ADM8668_LAN_IRQ 7 +#define ADM8668_WAN_IRQ 8 +#define ADM8668_WLAN_IRQ 9 +#define ADM8668_GPIO_IRQ 10 +#define ADM8668_IDE_IRQ 11 +#define ADM8668_PCI2_IRQ 12 +#define ADM8668_PCI1_IRQ 13 +#define ADM8668_PCI0_IRQ 14 +#define ADM8668_USB_IRQ 15 +#define ADM8668_IRQ_MAX ADM8668_USB_IRQ + +/* register access macros */ +#define ADM8668_CONFIG_REG(_reg) \ + (*((volatile unsigned int *)(KSEG1ADDR(ADM8668_CONFIG_BASE + (_reg))))) + +/* lan registers */ +#define NETCSR6 0x30 +#define NETCSR7 0x38 +#define NETCSR37 0xF8 + +/* known/used CPU configuration registers */ +#define ADM8668_CR0 0x00 +#define ADM8668_CR1 0x04 +#define ADM8668_CR3 0x0C +#define ADM8668_CR66 0x108 + +/** For GPIO control **/ +#define GPIO_REG 0x5C /* on WLAN */ +#define CRGPIO_REG 0x20 /* on CPU */ + +void adm8668_init_clocks(void); + +#endif /* __ADM8668_H__ */ diff --git a/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/asm/sizes.h b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/asm/sizes.h new file mode 100644 index 0000000000..503843db15 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/asm/sizes.h @@ -0,0 +1,56 @@ +/* + * 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 + */ +/* DO NOT EDIT!! - this file automatically generated + * from .s file by awk -f s2h.awk + */ +/* Size definitions + * Copyright (C) ARM Limited 1998. All rights reserved. + */ + +#ifndef __sizes_h +#define __sizes_h 1 + +/* handy sizes */ +#define SZ_16 0x00000010 +#define SZ_256 0x00000100 +#define SZ_512 0x00000200 + +#define SZ_1K 0x00000400 +#define SZ_4K 0x00001000 +#define SZ_8K 0x00002000 +#define SZ_16K 0x00004000 +#define SZ_64K 0x00010000 +#define SZ_128K 0x00020000 +#define SZ_256K 0x00040000 +#define SZ_512K 0x00080000 + +#define SZ_1M 0x00100000 +#define SZ_2M 0x00200000 +#define SZ_4M 0x00400000 +#define SZ_8M 0x00800000 +#define SZ_16M 0x01000000 +#define SZ_32M 0x02000000 +#define SZ_64M 0x04000000 +#define SZ_128M 0x08000000 +#define SZ_256M 0x10000000 +#define SZ_512M 0x20000000 + +#define SZ_1G 0x40000000 +#define SZ_2G 0x80000000 + +#endif + +/* END */ diff --git a/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/gpio.h b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/gpio.h new file mode 100644 index 0000000000..b0473fc4b3 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/gpio.h @@ -0,0 +1,13 @@ +#ifndef __ADM8668_GPIO_H__ +#define __ADM8668_GPIO_H__ + +#define gpio_to_irq(gpio) -1 + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value + +#define gpio_cansleep __gpio_cansleep + +#include <asm-generic/gpio.h> + +#endif diff --git a/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/irq.h b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/irq.h new file mode 100644 index 0000000000..ea859f03af --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/irq.h @@ -0,0 +1,14 @@ +/* + * 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. + * + * Copyright (C) 2003 by Ralf Baechle + */ +#ifndef __ASM_MACH_ADM8668_IRQ_H +#define __ASM_MACH_ADM8668_IRQ_H + +#define NR_IRQS 32 +#define MIPS_CPU_IRQ_BASE 16 + +#endif /* __ASM_MACH_ADM8668_IRQ_H */ diff --git a/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/war.h b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/war.h new file mode 100644 index 0000000000..7180043d34 --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/include/asm/mach-adm8668/war.h @@ -0,0 +1,25 @@ +/* + * 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. + * + * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org> + */ +#ifndef __ASM_MIPS_MACH_ADM8668_WAR_H +#define __ASM_MIPS_MACH_ADM8668_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 /* __ASM_MIPS_MACH_ADM8668_WAR_H */ diff --git a/target/linux/adm8668/files-3.18/arch/mips/pci/pci-adm8668.c b/target/linux/adm8668/files-3.18/arch/mips/pci/pci-adm8668.c new file mode 100644 index 0000000000..5cfa54604c --- /dev/null +++ b/target/linux/adm8668/files-3.18/arch/mips/pci/pci-adm8668.c @@ -0,0 +1,200 @@ +/* + * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> + * Copyright (C) 2012 Florian Fainelli <florian@openwrt.org> + * + * 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. + * + * Note that this controller is identical to the ADM5120 one + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/types.h> +#include <linux/spinlock.h> + +#include <asm/byteorder.h> +#include <asm/pci.h> +#include <adm8668.h> + +static DEFINE_SPINLOCK(pci_lock); + +#define PCI_ENABLE 0x80000000 +#define ADMPCI_IO_BASE 0x12600000 +#define ADMPCI_IO_SIZE 0x1fffff +#define ADMPCI_MEM_BASE 0x16000000 +#define ADMPCI_MEM_SIZE 0x7ffffff + +static inline void write_cfgaddr(u32 addr) +{ + __raw_writel((addr | PCI_ENABLE), + (void __iomem *)KSEG1ADDR(ADM8668_PCICFG_BASE)); +} + +static inline void write_cfgdata(u32 data) +{ + __raw_writel(data, (void __iomem *)KSEG1ADDR(ADM8668_PCIDAT_BASE)); +} + +static inline u32 read_cfgdata(void) +{ + return __raw_readl((void __iomem *)KSEG1ADDR(ADM8668_PCIDAT_BASE)); +} + +static inline u32 mkaddr(struct pci_bus *bus, unsigned int devfn, int where) +{ + return ((bus->number & 0xff) << 16) | ((devfn & 0xff) << 8) | + (where & 0xfc); +} + +static int pci_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *val) +{ + unsigned long flags; + u32 data; + + spin_lock_irqsave(&pci_lock, flags); + write_cfgaddr(mkaddr(bus, devfn, where)); + data = read_cfgdata(); + + switch (size) { + case 1: + if (where & 1) + data >>= 8; + if (where & 2) + data >>= 16; + data &= 0xff; + break; + case 2: + if (where & 2) + data >>= 16; + data &= 0xffff; + break; + } + + *val = data; + + spin_unlock_irqrestore(&pci_lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static int pci_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 val) +{ + unsigned long flags; + u32 data; + int s; + + spin_lock_irqsave(&pci_lock, flags); + + write_cfgaddr(mkaddr(bus, devfn, where)); + data = read_cfgdata(); + + switch (size) { + case 1: + s = ((where & 3) << 3); + data &= ~(0xff << s); + data |= ((val & 0xff) << s); + break; + case 2: + s = ((where & 2) << 4); + data &= ~(0xffff << s); + data |= ((val & 0xffff) << s); + break; + case 4: + data = val; + break; + } + + write_cfgdata(data); + + spin_unlock_irqrestore(&pci_lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops adm8668_pci_ops = { + .read = pci_read_config, + .write = pci_write_config +}; + + +struct resource pciioport_resource = { + .name = "adm8668_pci", + .start = ADMPCI_IO_BASE, + .end = ADMPCI_IO_BASE + ADMPCI_IO_SIZE, + .flags = IORESOURCE_IO +}; + +struct resource pciiomem_resource = { + .name = "adm8668_pci", + .start = ADMPCI_MEM_BASE, + .end = ADMPCI_MEM_BASE + ADMPCI_MEM_SIZE, + .flags = IORESOURCE_MEM +}; + +struct pci_controller adm8668_pci_controller = { + .pci_ops = &adm8668_pci_ops, + .io_resource = &pciioport_resource, + .mem_resource = &pciiomem_resource, +}; + +int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + switch (slot) { + case 1: + return 14; + case 2: + return 13; + case 3: + return 12; + default: + return dev->irq; + } +} + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + return 0; +} + +static void adm8668_pci_fixup(struct pci_dev *dev) +{ + if (dev->devfn != 0) + return; + + pr_info("PCI: fixing up ADM8668 controller\n"); + + /* setup COMMAND register */ + pci_write_config_word(dev, PCI_COMMAND, + (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER)); + + /* setup CACHE_LINE_SIZE register */ + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4); + + /* setup BARS */ + pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0); + pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0); +} +DECLARE_PCI_FIXUP_HEADER(0x1317, 0x8688, adm8668_pci_fixup); + +static int __init adm8668_pci_init(void) +{ + void __iomem *io_map_base; + + ioport_resource.start = ADMPCI_IO_BASE; + ioport_resource.end = ADMPCI_IO_BASE + ADMPCI_IO_SIZE; + + io_map_base = ioremap(ADMPCI_IO_BASE, ADMPCI_IO_SIZE); + if (!io_map_base) + printk("io_map_base didn't work.\n"); + + adm8668_pci_controller.io_map_base = (unsigned long)io_map_base; + register_pci_controller(&adm8668_pci_controller); + + return 0; +} +arch_initcall(adm8668_pci_init); diff --git a/target/linux/adm8668/files-3.18/drivers/mtd/maps/adm8668.c b/target/linux/adm8668/files-3.18/drivers/mtd/maps/adm8668.c new file mode 100644 index 0000000000..8737159ddf --- /dev/null +++ b/target/linux/adm8668/files-3.18/drivers/mtd/maps/adm8668.c @@ -0,0 +1,334 @@ +/* + * Copyright (C) 2010 Scott Nicholas <neutronscott@scottn.us> + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * + * original functions for finding root filesystem from Mike Baker + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + * + * + * Copyright 2004, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * + * Flash mapping for adm8668 boards + * + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/wait.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/map.h> +#include <linux/slab.h> +#include <linux/mtd/partitions.h> +#include <linux/crc32.h> +#include <linux/magic.h> +#include <asm/io.h> + +#define WINDOW_ADDR 0x10000000 +#define WINDOW_SIZE 0x800000 +#define BANKWIDTH 2 + +/* first a little bit about the headers i need.. */ + +/* just interested in part of the full struct */ +struct squashfs_super_block { + __le32 s_magic; + __le32 pad0[9]; /* it's not really padding */ + __le64 bytes_used; +}; + +#define IH_MAGIC 0x56190527 /* Image Magic Number */ +struct uboot_header { + uint32_t ih_magic; /* Image Header Magic Number */ + uint32_t ih_hcrc; /* Image Header CRC Checksum */ + uint32_t ih_time; /* Image Creation Timestamp */ + uint32_t ih_size; /* Image Data Size */ + uint32_t ih_load; /* Data Load Address */ + uint32_t ih_ep; /* Entry Point Address */ + uint32_t ih_dcrc; /* Image Data CRC Checksum */ + uint8_t ih_os; /* Operating System */ + uint8_t ih_arch; /* CPU architecture */ + uint8_t ih_type; /* Image Type */ + uint8_t ih_comp; /* Compression Type */ + char ih_name[32]; /* image name */ +}; + +/************************************************/ + +static struct mtd_info *adm8668_mtd; + +struct map_info adm8668_map = { + name: "adm8668-nor", + size: WINDOW_SIZE, + phys: WINDOW_ADDR, + bankwidth: BANKWIDTH, +}; + +/* + * Copied from mtdblock.c + * + * Cache stuff... + * + * Since typical flash erasable sectors are much larger than what Linux's + * buffer cache can handle, we must implement read-modify-write on flash + * sectors for each block write requests. To avoid over-erasing flash sectors + * and to speed things up, we locally cache a whole flash sector while it is + * being written to until a different sector is required. + */ + +static void erase_callback(struct erase_info *done) +{ + wait_queue_head_t *wait_q = (wait_queue_head_t *)done->priv; + wake_up(wait_q); +} + +static int erase_write (struct mtd_info *mtd, unsigned long pos, + int len, const char *buf) +{ + struct erase_info erase; + DECLARE_WAITQUEUE(wait, current); + wait_queue_head_t wait_q; + size_t retlen; + int ret; + + /* + * First, let's erase the flash block. + */ + + init_waitqueue_head(&wait_q); + erase.mtd = mtd; + erase.callback = erase_callback; + erase.addr = pos; + erase.len = len; + erase.priv = (u_long)&wait_q; + + set_current_state(TASK_INTERRUPTIBLE); + add_wait_queue(&wait_q, &wait); + + ret = mtd->_erase(mtd, &erase); + if (ret) { + set_current_state(TASK_RUNNING); + remove_wait_queue(&wait_q, &wait); + printk (KERN_WARNING "erase of region [0x%lx, 0x%x] " + "on \"%s\" failed\n", + pos, len, mtd->name); + return ret; + } + + schedule(); /* Wait for erase to finish. */ + remove_wait_queue(&wait_q, &wait); + + /* + * Next, write data to flash. + */ + + ret = mtd->_write (mtd, pos, len, &retlen, buf); + if (ret) + return ret; + if (retlen != len) + return -EIO; + return 0; +} + +/* decent defaults in case... shrug */ +static struct mtd_partition adm8668_parts[] = { + { name: "linux", offset: 0x40000, size: WINDOW_SIZE-0x40000, }, + { name: "rootfs", offset: 0xe0000, size: 0x140000, }, + { name: "uboot_env", offset: 0x20000, size: 0x20000, }, + { name: NULL, }, +}; + +/* in case i wanna change stuff later, and to clarify the math section... */ +#define PART_LINUX 0 +#define PART_ROOTFS 1 +#define NR_PARTS 3 + +static int __init +init_mtd_partitions(struct mtd_info *mtd, size_t size) +{ + struct uboot_header uhdr; + int off, blocksize; + size_t len, linux_len; + struct squashfs_super_block shdr; + + blocksize = mtd->erasesize; + if (blocksize < 0x10000) + blocksize = 0x10000; + + /* now find squashfs */ + memset(&shdr, 0xe5, sizeof(shdr)); + for (off = adm8668_parts[PART_LINUX].offset; off < size; off += blocksize) { + /* + * Read into buffer + */ + if (mtd->_read(mtd, off, sizeof(shdr), &len, (char *)&shdr) || + len != sizeof(shdr)) + continue; + + if (shdr.s_magic == SQUASHFS_MAGIC) { + uint32_t fs_size = (uint32_t)shdr.bytes_used; + + printk(KERN_INFO "%s: Filesystem type: squashfs, size=%dkB\n", + mtd->name, fs_size>>10); + + /* Update rootfs based on the superblock info, and + * stretch to end of MTD. rootfs_split will split it */ + adm8668_parts[PART_ROOTFS].offset = off; + adm8668_parts[PART_ROOTFS].size = mtd->size - + adm8668_parts[PART_ROOTFS].offset; + + /* kernel ends where rootfs starts + * but we'll keep it full-length for upgrades */ + linux_len = adm8668_parts[PART_LINUX+1].offset - + adm8668_parts[PART_LINUX].offset; +#if 1 + adm8668_parts[PART_LINUX].size = mtd->size - + adm8668_parts[PART_LINUX].offset; +#else + adm8668_parts[PART_LINUX].size = linux_len; +#endif + goto found; + } + } + + printk(KERN_NOTICE + "%s: Couldn't find root filesystem\n", + mtd->name); + return NR_PARTS; + + found: + if (mtd->_read(mtd, adm8668_parts[PART_LINUX].offset, sizeof(uhdr), &len, (char *)&uhdr) || + len != sizeof(uhdr)) + return NR_PARTS; + + /* that's odd. how'd ya boot it then */ + if (uhdr.ih_magic != IH_MAGIC) + return NR_PARTS; + + if (be32_to_cpu(uhdr.ih_size) != (linux_len - sizeof(uhdr))) { + unsigned char *block, *data; + unsigned int offset; + + offset = adm8668_parts[PART_LINUX].offset + + sizeof(struct uboot_header); + data = (unsigned char *)(WINDOW_ADDR | 0xA0000000 | offset); + + printk(KERN_NOTICE "Updating U-boot image:\n"); + printk(KERN_NOTICE " old: [size: %8d crc32: 0x%08x]\n", + be32_to_cpu(uhdr.ih_size), be32_to_cpu(uhdr.ih_dcrc)); + + /* Update the data length & crc32 */ + uhdr.ih_size = cpu_to_be32(linux_len - sizeof(uhdr)); + uhdr.ih_dcrc = crc32_le(~0, data, linux_len - sizeof(uhdr)) ^ (~0); + uhdr.ih_dcrc = cpu_to_be32(uhdr.ih_dcrc); + + printk(KERN_NOTICE " new: [size: %8d crc32: 0x%08x]\n", + be32_to_cpu(uhdr.ih_size), be32_to_cpu(uhdr.ih_dcrc)); + + /* update header's crc... */ + uhdr.ih_hcrc = 0; + uhdr.ih_hcrc = crc32_le(~0, (unsigned char *)&uhdr, + sizeof(uhdr)) ^ (~0); + uhdr.ih_hcrc = cpu_to_be32(uhdr.ih_hcrc); + + /* read first eraseblock from the image */ + block = kmalloc(mtd->erasesize, GFP_KERNEL); + if (mtd->_read(mtd, adm8668_parts[PART_LINUX].offset, mtd->erasesize, &len, block) || len != mtd->erasesize) { + printk("Error copying first eraseblock\n"); + return 0; + } + + /* Write updated header to the flash */ + memcpy(block, &uhdr, sizeof(uhdr)); + if (mtd->_unlock) + mtd->_unlock(mtd, off, mtd->erasesize); + erase_write(mtd, adm8668_parts[PART_LINUX].offset, mtd->erasesize, block); + if (mtd->_sync) + mtd->_sync(mtd); + kfree(block); + printk(KERN_NOTICE "Done\n"); + } + + return NR_PARTS; +} + +int __init init_adm8668_map(void) +{ + int nr_parts, ret; + + adm8668_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); + + if (!adm8668_map.virt) { + printk(KERN_ERR "Failed to ioremap\n"); + return -EIO; + } + + simple_map_init(&adm8668_map); + if (!(adm8668_mtd = do_map_probe("cfi_probe", &adm8668_map))) { + printk(KERN_ERR "cfi_probe failed\n"); + iounmap((void *)adm8668_map.virt); + return -ENXIO; + } + + adm8668_mtd->owner = THIS_MODULE; + + nr_parts = init_mtd_partitions(adm8668_mtd, adm8668_mtd->size); + ret = mtd_device_register(adm8668_mtd, adm8668_parts, nr_parts); + if (ret) { + printk(KERN_ERR "Flash: mtd_device_register failed\n"); + goto fail; + } + + return 0; + + fail: + if (adm8668_mtd) + map_destroy(adm8668_mtd); + if (adm8668_map.virt) + iounmap((void *) adm8668_map.virt); + adm8668_map.virt = 0; + return ret; +} + +void __exit cleanup_adm8668_map(void) +{ + mtd_device_unregister(adm8668_mtd); + map_destroy(adm8668_mtd); + iounmap((void *) adm8668_map.virt); + adm8668_map.virt = 0; +} + +module_init(init_adm8668_map); +module_exit(cleanup_adm8668_map); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Scott Nicholas <neutronscott@scottn.us>"); +MODULE_DESCRIPTION("MTD map driver for ADM8668 NOR Flash"); diff --git a/target/linux/adm8668/patches-3.18/001-adm8668_arch.patch b/target/linux/adm8668/patches-3.18/001-adm8668_arch.patch new file mode 100644 index 0000000000..80e9ed1bbc --- /dev/null +++ b/target/linux/adm8668/patches-3.18/001-adm8668_arch.patch @@ -0,0 +1,48 @@ +--- a/arch/mips/Kbuild.platforms ++++ b/arch/mips/Kbuild.platforms +@@ -30,6 +30,7 @@ platforms += sibyte + platforms += sni + platforms += txx9 + platforms += vr41xx ++platforms += adm8668 + + # include the platform specific files + include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms)) +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -136,6 +136,27 @@ config BCM47XX + help + Support for BCM47XX based boards + ++config ADM8668 ++ bool "WildPass ADM8668" ++ select SYS_HAS_CPU_MIPS32_R1 ++ select BOOT_RAW ++ select NO_EXCEPT_FILL ++ select IRQ_CPU ++ select CEVT_R4K ++ select CSRC_R4K ++ select HW_HAS_PCI ++ select PCI ++ select SYS_SUPPORTS_LITTLE_ENDIAN ++ select SYS_SUPPORTS_32BIT_KERNEL ++ select DMA_NONCOHERENT ++ select SWAP_IO_SPACE ++ select SYS_HAS_EARLY_PRINTK ++ select ARCH_REQUIRE_GPIOLIB ++ select HAVE_CLK ++ help ++ ADM8668 board support by neutronscott ++ Scott Nicholas <neutronscott@scottn.us> ++ + config BCM63XX + bool "Broadcom BCM63XX based boards" + select BOOT_RAW +@@ -834,6 +855,7 @@ config MIPS_PARAVIRT + + endchoice + ++source "arch/mips/adm8668/Kconfig" + source "arch/mips/alchemy/Kconfig" + source "arch/mips/ath79/Kconfig" + source "arch/mips/bcm47xx/Kconfig" diff --git a/target/linux/adm8668/patches-3.18/002-adm8668_pci.patch b/target/linux/adm8668/patches-3.18/002-adm8668_pci.patch new file mode 100644 index 0000000000..70ee00db5a --- /dev/null +++ b/target/linux/adm8668/patches-3.18/002-adm8668_pci.patch @@ -0,0 +1,22 @@ +--- a/arch/mips/pci/Makefile ++++ b/arch/mips/pci/Makefile +@@ -58,6 +58,7 @@ obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32 + obj-$(CONFIG_CAVIUM_OCTEON_SOC) += pci-octeon.o pcie-octeon.o + obj-$(CONFIG_CPU_XLR) += pci-xlr.o + obj-$(CONFIG_CPU_XLP) += pci-xlp.o ++obj-$(CONFIG_ADM8668) += pci-adm8668.o + + ifdef CONFIG_PCI_MSI + obj-$(CONFIG_CAVIUM_OCTEON_SOC) += msi-octeon.o +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -1820,6 +1820,9 @@ + + #define PCI_VENDOR_ID_CB 0x1307 /* Measurement Computing */ + ++#define PCI_VENDOR_ADMTEK 0x1317 ++#define PCI_DEVICE_ID_ADM8668 0x8688 ++ + #define PCI_VENDOR_ID_SIIG 0x131f + #define PCI_SUBVENDOR_ID_SIIG 0x131f + #define PCI_DEVICE_ID_SIIG_1S_10x_550 0x1000 diff --git a/target/linux/adm8668/patches-3.18/003-adm8668_nor_map.patch b/target/linux/adm8668/patches-3.18/003-adm8668_nor_map.patch new file mode 100644 index 0000000000..f7883cdb20 --- /dev/null +++ b/target/linux/adm8668/patches-3.18/003-adm8668_nor_map.patch @@ -0,0 +1,22 @@ +--- a/drivers/mtd/maps/Kconfig ++++ b/drivers/mtd/maps/Kconfig +@@ -97,6 +97,12 @@ config MSP_FLASH_MAP_LIMIT + default "0x02000000" + depends on MSP_FLASH_MAP_LIMIT_32M + ++config MTD_ADM8668_NOR ++ tristate "ADM8668 NOR mapping" ++ depends on ADM8668 && MTD_CFI ++ help ++ mapping driver for ADM8668 NOR ++ + config MTD_SUN_UFLASH + tristate "Sun Microsystems userflash support" + depends on SPARC && MTD_CFI && PCI +--- a/drivers/mtd/maps/Makefile ++++ b/drivers/mtd/maps/Makefile +@@ -43,3 +43,4 @@ obj-$(CONFIG_MTD_VMU) += vmu-flash.o + obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o + obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o + obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o ++obj-$(CONFIG_MTD_ADM8668_NOR) += adm8668.o diff --git a/target/linux/adm8668/patches-3.18/004-tulip_pci_split.patch b/target/linux/adm8668/patches-3.18/004-tulip_pci_split.patch new file mode 100644 index 0000000000..e57bdb73cc --- /dev/null +++ b/target/linux/adm8668/patches-3.18/004-tulip_pci_split.patch @@ -0,0 +1,452 @@ +--- a/drivers/net/ethernet/dec/tulip/tulip_core.c ++++ b/drivers/net/ethernet/dec/tulip/tulip_core.c +@@ -207,6 +207,7 @@ struct tulip_chip_table tulip_tbl[] = { + }; + + ++#ifdef CONFIG_TULIP_PCI + static const struct pci_device_id tulip_pci_tbl[] = { + { 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 }, + { 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 }, +@@ -250,7 +251,7 @@ static const struct pci_device_id tulip_ + { } /* terminate list */ + }; + MODULE_DEVICE_TABLE(pci, tulip_pci_tbl); +- ++#endif + + /* A full-duplex map for media types. */ + const char tulip_media_cap[32] = +@@ -268,11 +269,14 @@ static void tulip_down(struct net_device + static struct net_device_stats *tulip_get_stats(struct net_device *dev); + static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); + static void set_rx_mode(struct net_device *dev); ++#ifdef CONFIG_TULIP_PCI + static void tulip_set_wolopts(struct pci_dev *pdev, u32 wolopts); ++#endif + #ifdef CONFIG_NET_POLL_CONTROLLER + static void poll_tulip(struct net_device *dev); + #endif + ++#ifdef CONFIG_TULIP_PCI + static void tulip_set_power_state (struct tulip_private *tp, + int sleep, int snooze) + { +@@ -289,7 +293,7 @@ static void tulip_set_power_state (struc + } + + } +- ++#endif + + static void tulip_up(struct net_device *dev) + { +@@ -303,6 +307,7 @@ static void tulip_up(struct net_device * + napi_enable(&tp->napi); + #endif + ++#ifdef CONFIG_TULIP_PCI + /* Wake the chip from sleep/snooze mode. */ + tulip_set_power_state (tp, 0, 0); + +@@ -310,6 +315,7 @@ static void tulip_up(struct net_device * + pci_enable_wake(tp->pdev, PCI_D3hot, 0); + pci_enable_wake(tp->pdev, PCI_D3cold, 0); + tulip_set_wolopts(tp->pdev, 0); ++#endif + + /* On some chip revs we must set the MII/SYM port before the reset!? */ + if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii)) +@@ -317,18 +323,22 @@ static void tulip_up(struct net_device * + + /* Reset the chip, holding bit 0 set at least 50 PCI cycles. */ + iowrite32(0x00000001, ioaddr + CSR0); ++#ifdef CONFIG_TULIP_PCI + pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ ++#endif + udelay(100); + + /* Deassert reset. + Wait the specified 50 PCI cycles after a reset by initializing + Tx and Rx queues and the address filter list. */ + iowrite32(tp->csr0, ioaddr + CSR0); ++#ifdef CONFIG_TULIP_PCI + pci_read_config_dword(tp->pdev, PCI_COMMAND, ®); /* flush write */ ++#endif + udelay(100); + + if (tulip_debug > 1) +- netdev_dbg(dev, "tulip_up(), irq==%d\n", tp->pdev->irq); ++ netdev_dbg(dev, "tulip_up(), irq==%d\n", tp->irq); + + iowrite32(tp->rx_ring_dma, ioaddr + CSR3); + iowrite32(tp->tx_ring_dma, ioaddr + CSR4); +@@ -362,9 +372,11 @@ static void tulip_up(struct net_device * + *setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1]; + *setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2]; + ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + tp->tx_buffers[tp->cur_tx].skb = NULL; + tp->tx_buffers[tp->cur_tx].mapping = mapping; + +@@ -520,7 +532,7 @@ tulip_open(struct net_device *dev) + + tulip_init_ring (dev); + +- retval = request_irq(tp->pdev->irq, tulip_interrupt, IRQF_SHARED, ++ retval = request_irq(tp->irq, tulip_interrupt, IRQF_SHARED, + dev->name, dev); + if (retval) + goto free_ring; +@@ -644,8 +656,10 @@ static void tulip_init_ring(struct net_d + tp->rx_buffers[i].skb = skb; + if (skb == NULL) + break; ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); ++#endif + tp->rx_buffers[i].mapping = mapping; + tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ + tp->rx_ring[i].buffer1 = cpu_to_le32(mapping); +@@ -678,8 +692,10 @@ tulip_start_xmit(struct sk_buff *skb, st + entry = tp->cur_tx % TX_RING_SIZE; + + tp->tx_buffers[entry].skb = skb; ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, + skb->len, PCI_DMA_TODEVICE); ++#endif + tp->tx_buffers[entry].mapping = mapping; + tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); + +@@ -730,16 +746,19 @@ static void tulip_clean_tx_ring(struct t + if (tp->tx_buffers[entry].skb == NULL) { + /* test because dummy frames not mapped */ + if (tp->tx_buffers[entry].mapping) ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, + tp->tx_buffers[entry].mapping, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + continue; + } +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +@@ -790,7 +809,9 @@ static void tulip_down (struct net_devic + dev->if_port = tp->saved_if_port; + + /* Leave the driver in snooze, not sleep, mode. */ ++#ifdef CONFIG_TULIP_PCI + tulip_set_power_state (tp, 0, 1); ++#endif + } + + static void tulip_free_ring (struct net_device *dev) +@@ -811,8 +832,10 @@ static void tulip_free_ring (struct net_ + /* An invalid address. */ + tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0); + if (skb) { ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); ++#endif + dev_kfree_skb (skb); + } + } +@@ -821,8 +844,10 @@ static void tulip_free_ring (struct net_ + struct sk_buff *skb = tp->tx_buffers[i].skb; + + if (skb != NULL) { ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, + skb->len, PCI_DMA_TODEVICE); ++#endif + dev_kfree_skb (skb); + } + tp->tx_buffers[i].skb = NULL; +@@ -843,7 +868,7 @@ static int tulip_close (struct net_devic + netdev_dbg(dev, "Shutting down ethercard, status was %02x\n", + ioread32 (ioaddr + CSR5)); + +- free_irq (tp->pdev->irq, dev); ++ free_irq (tp->irq, dev); + + tulip_free_ring (dev); + +@@ -874,7 +899,9 @@ static void tulip_get_drvinfo(struct net + struct tulip_private *np = netdev_priv(dev); + strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); + strlcpy(info->version, DRV_VERSION, sizeof(info->version)); ++#ifdef CONFIG_TULIP_PCI + strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); ++#endif + } + + +@@ -887,7 +914,9 @@ static int tulip_ethtool_set_wol(struct + return -EOPNOTSUPP; + + tp->wolinfo.wolopts = wolinfo->wolopts; +- device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts); ++#ifdef CONFIG_TULIP_PCI ++ device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts); ++#endif + return 0; + } + +@@ -1165,9 +1194,11 @@ static void set_rx_mode(struct net_devic + + tp->tx_buffers[entry].skb = NULL; + tp->tx_buffers[entry].mapping = ++#ifdef CONFIG_TULIP_PCI + pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + /* Put the setup frame on the Tx list. */ + if (entry == TX_RING_SIZE-1) + tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ +@@ -1264,19 +1295,22 @@ out: + netdev_dbg(dev, "MWI config cacheline=%d, csr0=%08x\n", + cache, csr0); + } +-#endif + + /* + * Chips that have the MRM/reserved bit quirk and the burst quirk. That + * is the DM910X and the on chip ULi devices + */ ++#endif + ++#ifdef CONFIG_TULIP_PCI + static int tulip_uli_dm_quirk(struct pci_dev *pdev) + { + if (pdev->vendor == 0x1282 && pdev->device == 0x9102) + return 1; + return 0; + } ++#endif ++ + + static const struct net_device_ops tulip_netdev_ops = { + .ndo_open = tulip_open, +@@ -1294,6 +1328,7 @@ static const struct net_device_ops tulip + #endif + }; + ++#ifdef CONFIG_TULIP_PCI + const struct pci_device_id early_486_chipsets[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) }, + { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) }, +@@ -1471,6 +1506,8 @@ static int tulip_init_one(struct pci_dev + } + } + tp->pdev = pdev; ++ tp->kdev = &pdev->dev; ++ tp->irq = irq; + tp->base_addr = ioaddr; + tp->revision = pdev->revision; + tp->csr0 = csr0; +@@ -1801,6 +1838,7 @@ err_out_free_netdev: + } + + ++#ifdef CONFIG_TULIP_PCI + /* set the registers according to the given wolopts */ + static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts) + { +@@ -1829,6 +1867,7 @@ static void tulip_set_wolopts (struct pc + iowrite32(tmp, ioaddr + CSR13); + } + } ++#endif + + #ifdef CONFIG_PM + +@@ -1943,6 +1982,7 @@ static void tulip_remove_one(struct pci_ + + /* pci_power_off (pdev, -1); */ + } ++#endif /* CONFIG_TULIP_PCI */ + + #ifdef CONFIG_NET_POLL_CONTROLLER + /* +@@ -1964,7 +2004,8 @@ static void poll_tulip (struct net_devic + } + #endif + +-static struct pci_driver tulip_driver = { ++#ifdef CONFIG_TULIP_PCI ++static struct pci_driver tulip_pci_driver = { + .name = DRV_NAME, + .id_table = tulip_pci_tbl, + .probe = tulip_init_one, +@@ -1974,10 +2015,12 @@ static struct pci_driver tulip_driver = + .resume = tulip_resume, + #endif /* CONFIG_PM */ + }; ++#endif + + + static int __init tulip_init (void) + { ++ int ret = 0; + #ifdef MODULE + pr_info("%s", version); + #endif +@@ -1987,13 +2030,18 @@ static int __init tulip_init (void) + tulip_max_interrupt_work = max_interrupt_work; + + /* probe for and init boards */ +- return pci_register_driver(&tulip_driver); ++#ifdef CONFIG_TULIP_PCI ++ ret = pci_register_driver(&tulip_pci_driver); ++#endif ++ return ret; + } + + + static void __exit tulip_cleanup (void) + { +- pci_unregister_driver (&tulip_driver); ++#ifdef CONFIG_TULIP_PCI ++ pci_unregister_driver (&tulip_pci_driver); ++#endif + } + + +--- a/drivers/net/ethernet/dec/tulip/interrupt.c ++++ b/drivers/net/ethernet/dec/tulip/interrupt.c +@@ -73,10 +73,11 @@ int tulip_refill_rx(struct net_device *d + netdev_alloc_skb(dev, PKT_BUF_SZ); + if (skb == NULL) + break; +- ++#ifdef CONFIG_TULIP_PCI + mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); +- if (dma_mapping_error(&tp->pdev->dev, mapping)) { ++#endif ++ if (dma_mapping_error(tp->kdev, mapping)) { + dev_kfree_skb(skb); + tp->rx_buffers[entry].skb = NULL; + break; +@@ -210,9 +211,11 @@ int tulip_poll(struct napi_struct *napi, + if (pkt_len < tulip_rx_copybreak && + (skb = netdev_alloc_skb(dev, pkt_len + 2)) != NULL) { + skb_reserve(skb, 2); /* 16 byte align the IP header */ ++#ifdef CONFIG_TULIP_PCI + pci_dma_sync_single_for_cpu(tp->pdev, + tp->rx_buffers[entry].mapping, + pkt_len, PCI_DMA_FROMDEVICE); ++#endif + #if ! defined(__alpha__) + skb_copy_to_linear_data(skb, tp->rx_buffers[entry].skb->data, + pkt_len); +@@ -222,9 +225,11 @@ int tulip_poll(struct napi_struct *napi, + tp->rx_buffers[entry].skb->data, + pkt_len); + #endif ++#ifdef CONFIG_TULIP_PCI + pci_dma_sync_single_for_device(tp->pdev, + tp->rx_buffers[entry].mapping, + pkt_len, PCI_DMA_FROMDEVICE); ++#endif + } else { /* Pass up the skb already on the Rx ring. */ + char *temp = skb_put(skb = tp->rx_buffers[entry].skb, + pkt_len); +@@ -239,9 +244,10 @@ int tulip_poll(struct napi_struct *napi, + skb->head, temp); + } + #endif +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); ++#endif + + tp->rx_buffers[entry].skb = NULL; + tp->rx_buffers[entry].mapping = 0; +@@ -597,10 +603,12 @@ irqreturn_t tulip_interrupt(int irq, voi + if (tp->tx_buffers[entry].skb == NULL) { + /* test because dummy frames not mapped */ + if (tp->tx_buffers[entry].mapping) ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, + tp->tx_buffers[entry].mapping, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); ++#endif + continue; + } + +@@ -628,10 +636,11 @@ irqreturn_t tulip_interrupt(int irq, voi + dev->stats.collisions += (status >> 3) & 15; + dev->stats.tx_packets++; + } +- ++#ifdef CONFIG_TULIP_PCI + pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping, + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +--- a/drivers/net/ethernet/dec/tulip/Kconfig ++++ b/drivers/net/ethernet/dec/tulip/Kconfig +@@ -40,8 +40,12 @@ config DE2104X_DSL + Default is 0, and range is 0 to 31. + + config TULIP ++ tristate ++ ++config TULIP_PCI + tristate "DECchip Tulip (dc2114x) PCI support" + depends on PCI ++ select TULIP + select CRC32 + ---help--- + This driver is developed for the SMC EtherPower series Ethernet +@@ -58,7 +62,7 @@ config TULIP + + config TULIP_MWI + bool "New bus configuration" +- depends on TULIP ++ depends on TULIP_PCI + ---help--- + This configures your Tulip card specifically for the card and + system cache line size type you are using. +@@ -69,7 +73,7 @@ config TULIP_MWI + + config TULIP_MMIO + bool "Use PCI shared mem for NIC registers" +- depends on TULIP ++ depends on TULIP_PCI + ---help--- + Use PCI shared memory for the NIC registers, rather than going through + the Tulip's PIO (programmed I/O ports). Faster, but could produce +--- a/drivers/net/ethernet/dec/tulip/tulip.h ++++ b/drivers/net/ethernet/dec/tulip/tulip.h +@@ -447,6 +447,8 @@ struct tulip_private { + int cur_index; /* Current media index. */ + int saved_if_port; + struct pci_dev *pdev; ++ struct device *kdev; ++ int irq; + int ttimer; + int susp_rx; + unsigned long nir; diff --git a/target/linux/adm8668/patches-3.18/005-tulip_platform.patch b/target/linux/adm8668/patches-3.18/005-tulip_platform.patch new file mode 100644 index 0000000000..bddc572c66 --- /dev/null +++ b/target/linux/adm8668/patches-3.18/005-tulip_platform.patch @@ -0,0 +1,490 @@ +--- a/drivers/net/ethernet/dec/tulip/Kconfig ++++ b/drivers/net/ethernet/dec/tulip/Kconfig +@@ -60,6 +60,14 @@ config TULIP_PCI + To compile this driver as a module, choose M here. The module will + be called tulip. + ++config TULIP_PLATFORM ++ tristate "DECchip Tulip (dc2114x) Platform support" ++ depends on HAS_IOMEM ++ select TULIP ++ select CRC32 ++ ---help--- ++ This driver is for the platform variant. ++ + config TULIP_MWI + bool "New bus configuration" + depends on TULIP_PCI +--- a/drivers/net/ethernet/dec/tulip/tulip_core.c ++++ b/drivers/net/ethernet/dec/tulip/tulip_core.c +@@ -27,6 +27,8 @@ + #include <linux/init.h> + #include <linux/interrupt.h> + #include <linux/etherdevice.h> ++#include <linux/platform_device.h> ++#include <linux/platform_data/tulip.h> + #include <linux/delay.h> + #include <linux/mii.h> + #include <linux/crc32.h> +@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = { + { "Conexant LANfinity", 256, 0x0001ebef, + HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task }, + ++ { "Infineon ADM8668", 256, 0x0001a451, ++ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, }, ++ + }; + + +@@ -377,6 +382,11 @@ static void tulip_up(struct net_device * + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, tp->setup_frame, ++ sizeof(tp->setup_frame), ++ DMA_TO_DEVICE); ++#endif + tp->tx_buffers[tp->cur_tx].skb = NULL; + tp->tx_buffers[tp->cur_tx].mapping = mapping; + +@@ -396,6 +406,7 @@ static void tulip_up(struct net_device * + i = 0; + if (tp->mtable == NULL) + goto media_picked; ++ + if (dev->if_port) { + int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 : + (dev->if_port == 12 ? 0 : dev->if_port); +@@ -489,6 +500,10 @@ media_picked: + iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88); + dev->if_port = tp->mii_cnt ? 11 : 0; + tp->csr6 = 0x00040000; ++ } else if (tp->chip_id == ADM8668) { ++ /* Enable automatic Tx underrun recovery. */ ++ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88); ++ tp->csr6 = 0x00040000; + } else if (tp->chip_id == AX88140) { + tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100; + } else +@@ -660,6 +675,10 @@ static void tulip_init_ring(struct net_d + mapping = pci_map_single(tp->pdev, skb->data, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, ++ PKT_BUF_SZ, DMA_FROM_DEVICE); ++#endif + tp->rx_buffers[i].mapping = mapping; + tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */ + tp->rx_ring[i].buffer1 = cpu_to_le32(mapping); +@@ -696,6 +715,11 @@ tulip_start_xmit(struct sk_buff *skb, st + mapping = pci_map_single(tp->pdev, skb->data, + skb->len, PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, ++ skb->len, ++ DMA_TO_DEVICE); ++#endif + tp->tx_buffers[entry].mapping = mapping; + tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping); + +@@ -752,6 +776,13 @@ static void tulip_clean_tx_ring(struct t + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, ++ tp->tx_buffers[entry].mapping, ++ sizeof(tp->setup_frame), ++ DMA_TO_DEVICE); ++#endif ++ + continue; + } + #ifdef CONFIG_TULIP_PCI +@@ -759,6 +790,11 @@ static void tulip_clean_tx_ring(struct t + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping, ++ tp->tx_buffers[entry].skb->len, ++ DMA_TO_DEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +@@ -836,6 +872,10 @@ static void tulip_free_ring (struct net_ + pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++#endif + dev_kfree_skb (skb); + } + } +@@ -848,6 +888,10 @@ static void tulip_free_ring (struct net_ + pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping, + skb->len, PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping, ++ skb->len, DMA_TO_DEVICE); ++#endif + dev_kfree_skb (skb); + } + tp->tx_buffers[i].skb = NULL; +@@ -902,6 +946,9 @@ static void tulip_get_drvinfo(struct net + #ifdef CONFIG_TULIP_PCI + strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info)); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ strlcpy(info->bus_info, "platform", sizeof(info->bus_info)); ++#endif + } + + +@@ -917,6 +964,9 @@ static int tulip_ethtool_set_wol(struct + #ifdef CONFIG_TULIP_PCI + device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts); ++#endif + return 0; + } + +@@ -1192,13 +1242,20 @@ static void set_rx_mode(struct net_devic + + } + ++#ifdef CONFIG_TULIP_PCI + tp->tx_buffers[entry].skb = NULL; + tp->tx_buffers[entry].mapping = +-#ifdef CONFIG_TULIP_PCI + pci_map_single(tp->pdev, tp->setup_frame, + sizeof(tp->setup_frame), + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ tp->tx_buffers[entry].skb = NULL; ++ tp->tx_buffers[entry].mapping = ++ dma_map_single(&tp->pldev->dev, tp->setup_frame, ++ sizeof(tp->setup_frame), ++ DMA_TO_DEVICE); ++#endif + /* Put the setup frame on the Tx list. */ + if (entry == TX_RING_SIZE-1) + tx_flags |= DESC_RING_WRAP; /* Wrap ring. */ +@@ -1218,6 +1275,9 @@ static void set_rx_mode(struct net_devic + spin_unlock_irqrestore(&tp->lock, flags); + } + ++ if (tp->chip_id == ADM8668) ++ csr6 |= (1 << 9); /* force 100Mbps full duplex */ ++ + iowrite32(csr6, ioaddr + CSR6); + } + +@@ -1984,6 +2044,126 @@ static void tulip_remove_one(struct pci_ + } + #endif /* CONFIG_TULIP_PCI */ + ++#ifdef CONFIG_TULIP_PLATFORM ++static int tulip_probe(struct platform_device *pdev) ++{ ++ struct tulip_private *tp; ++ struct tulip_platform_data *pdata; ++ struct net_device *dev; ++ struct resource *res; ++ void __iomem *ioaddr; ++ int irq; ++ ++ if (pdev->id < 0 || pdev->id >= MAX_UNITS) ++ return -EINVAL; ++ ++ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0))) ++ return -ENODEV; ++ irq = res->start; ++ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0))) ++ return -ENODEV; ++ if (!(ioaddr = ioremap(res->start, res->end - res->start))) ++ return -ENODEV; ++ ++ pdata = pdev->dev.platform_data; ++ if (!pdata) ++ return -ENODEV; ++ ++ if (!(dev = alloc_etherdev(sizeof (*tp)))) ++ return -ENOMEM; ++ ++ /* setup net dev */ ++ dev->base_addr = (unsigned long)res->start; ++ dev->irq = irq; ++ SET_NETDEV_DEV(dev, &pdev->dev); ++ ++ /* tulip private struct */ ++ tp = netdev_priv(dev); ++ tp->dev = dev; ++ tp->base_addr = ioaddr; ++ tp->csr0 = 0; ++ tp->pldev = pdev; ++ tp->kdev = &pdev->dev; ++ tp->irq = irq; ++ tp->rx_ring = dma_alloc_coherent(&pdev->dev, ++ sizeof(struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof(struct tulip_tx_desc) * TX_RING_SIZE, ++ &tp->rx_ring_dma, GFP_KERNEL); ++ if (!tp->rx_ring) ++ return -ENODEV; ++ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE); ++ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE; ++ ++ tp->chip_id = pdata->chip_id; ++ tp->flags = tulip_tbl[tp->chip_id].flags; ++ ++ spin_lock_init(&tp->lock); ++ spin_lock_init(&tp->mii_lock); ++ ++ init_timer(&tp->timer); ++ tp->timer.data = (unsigned long)dev; ++ tp->timer.function = tulip_tbl[tp->chip_id].media_timer; ++ ++ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task); ++ ++ /* Stop the chip's Tx and Rx processes. */ ++ tulip_stop_rxtx(tp); ++ ++ /* Clear the missed-packet counter. */ ++ ioread32(ioaddr + CSR8); ++ ++ if (!is_valid_ether_addr(pdata->mac)) { ++ dev_info(&pdev->dev, "generating random ethernet MAC\n"); ++ random_ether_addr(dev->dev_addr); ++ } else ++ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN); ++ ++ /* The Tulip-specific entries in the device structure. */ ++ dev->netdev_ops = &tulip_netdev_ops; ++ dev->watchdog_timeo = TX_TIMEOUT; ++ netif_napi_add(dev, &tp->napi, tulip_poll, 16); ++ dev->ethtool_ops = &ops; ++ ++ if (register_netdev(dev)) ++ goto err_out_free_ring; ++ ++ dev_info(&dev->dev, ++ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n", ++ tulip_tbl[tp->chip_id].chip_name, ++ (unsigned long)dev->base_addr, dev->dev_addr, irq); ++ ++ platform_set_drvdata(pdev, dev); ++ return 0; ++ ++err_out_free_ring: ++ dma_free_coherent(&pdev->dev, ++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE, ++ tp->rx_ring, tp->rx_ring_dma); ++ return -ENODEV; ++} ++ ++static int tulip_remove(struct platform_device *pdev) ++{ ++ struct net_device *dev = platform_get_drvdata (pdev); ++ struct tulip_private *tp; ++ ++ if (!dev) ++ return -ENODEV; ++ ++ tp = netdev_priv(dev); ++ unregister_netdev(dev); ++ dma_free_coherent(&pdev->dev, ++ sizeof (struct tulip_rx_desc) * RX_RING_SIZE + ++ sizeof (struct tulip_tx_desc) * TX_RING_SIZE, ++ tp->rx_ring, tp->rx_ring_dma); ++ iounmap(tp->base_addr); ++ free_netdev(dev); ++ platform_set_drvdata(pdev, NULL); ++ return 0; ++} ++#endif ++ + #ifdef CONFIG_NET_POLL_CONTROLLER + /* + * Polling 'interrupt' - used by things like netconsole to send skbs +@@ -2017,6 +2197,17 @@ static struct pci_driver tulip_pci_drive + }; + #endif + ++#ifdef CONFIG_TULIP_PLATFORM ++static struct platform_driver tulip_platform_driver = { ++ .probe = tulip_probe, ++ .remove = tulip_remove, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = DRV_NAME, ++ }, ++}; ++#endif ++ + + static int __init tulip_init (void) + { +@@ -2033,6 +2224,9 @@ static int __init tulip_init (void) + #ifdef CONFIG_TULIP_PCI + ret = pci_register_driver(&tulip_pci_driver); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ ret = platform_driver_register(&tulip_platform_driver); ++#endif + return ret; + } + +@@ -2042,6 +2236,9 @@ static void __exit tulip_cleanup (void) + #ifdef CONFIG_TULIP_PCI + pci_unregister_driver (&tulip_pci_driver); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ platform_driver_unregister (&tulip_platform_driver); ++#endif + } + + +--- a/drivers/net/ethernet/dec/tulip/tulip.h ++++ b/drivers/net/ethernet/dec/tulip/tulip.h +@@ -21,6 +21,8 @@ + #include <linux/timer.h> + #include <linux/delay.h> + #include <linux/pci.h> ++#include <linux/platform_device.h> ++#include <linux/platform_data/tulip.h> + #include <asm/io.h> + #include <asm/irq.h> + #include <asm/unaligned.h> +@@ -69,28 +71,6 @@ enum tbl_flag { + }; + + +-/* chip types. careful! order is VERY IMPORTANT here, as these +- * are used throughout the driver as indices into arrays */ +-/* Note 21142 == 21143. */ +-enum chips { +- DC21040 = 0, +- DC21041 = 1, +- DC21140 = 2, +- DC21142 = 3, DC21143 = 3, +- LC82C168, +- MX98713, +- MX98715, +- MX98725, +- AX88140, +- PNIC2, +- COMET, +- COMPEX9881, +- I21145, +- DM910X, +- CONEXANT, +-}; +- +- + enum MediaIs { + MediaIsFD = 1, + MediaAlwaysFD = 2, +@@ -446,7 +426,12 @@ struct tulip_private { + struct mediatable *mtable; + int cur_index; /* Current media index. */ + int saved_if_port; ++#ifdef CONFIG_TULIP_PCI + struct pci_dev *pdev; ++#endif ++#ifdef CONFIG_TULIP_PLATFORM ++ struct platform_device *pldev; ++#endif + struct device *kdev; + int irq; + int ttimer; +--- a/drivers/net/ethernet/dec/tulip/interrupt.c ++++ b/drivers/net/ethernet/dec/tulip/interrupt.c +@@ -77,6 +77,10 @@ int tulip_refill_rx(struct net_device *d + mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ, + PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ, ++ DMA_FROM_DEVICE); ++#endif + if (dma_mapping_error(tp->kdev, mapping)) { + dev_kfree_skb(skb); + tp->rx_buffers[entry].skb = NULL; +@@ -204,8 +208,7 @@ int tulip_poll(struct napi_struct *napi, + dev->stats.rx_fifo_errors++; + } + } else { +- struct sk_buff *skb; +- ++ struct sk_buff *skb; + /* Check if the packet is long enough to accept without copying + to a minimally-sized skbuff. */ + if (pkt_len < tulip_rx_copybreak && +@@ -248,6 +251,10 @@ int tulip_poll(struct napi_struct *napi, + pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping, + PKT_BUF_SZ, PCI_DMA_FROMDEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping, ++ PKT_BUF_SZ, DMA_FROM_DEVICE); ++#endif + + tp->rx_buffers[entry].skb = NULL; + tp->rx_buffers[entry].mapping = 0; +@@ -641,6 +648,11 @@ irqreturn_t tulip_interrupt(int irq, voi + tp->tx_buffers[entry].skb->len, + PCI_DMA_TODEVICE); + #endif ++#ifdef CONFIG_TULIP_PLATFORM ++ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping, ++ tp->tx_buffers[entry].skb->len, ++ DMA_TO_DEVICE); ++#endif + + /* Free the original skb. */ + dev_kfree_skb_irq(tp->tx_buffers[entry].skb); +--- /dev/null ++++ b/include/linux/platform_data/tulip.h +@@ -0,0 +1,31 @@ ++#ifndef _LINUX_TULIP_PDATA_H ++#define _LINUX_TULIP_PDATA_H ++ ++/* chip types. careful! order is VERY IMPORTANT here, as these ++ * are used throughout the driver as indices into arrays */ ++/* Note 21142 == 21143. */ ++enum chips { ++ DC21040 = 0, ++ DC21041 = 1, ++ DC21140 = 2, ++ DC21142 = 3, DC21143 = 3, ++ LC82C168, ++ MX98713, ++ MX98715, ++ MX98725, ++ AX88140, ++ PNIC2, ++ COMET, ++ COMPEX9881, ++ I21145, ++ DM910X, ++ CONEXANT, ++ ADM8668, ++}; ++ ++struct tulip_platform_data { ++ u8 mac[6]; ++ enum chips chip_id; ++}; ++ ++#endif diff --git a/target/linux/adm8668/patches-3.18/200-amba_pl010_hacks.patch b/target/linux/adm8668/patches-3.18/200-amba_pl010_hacks.patch new file mode 100644 index 0000000000..66f4f2590b --- /dev/null +++ b/target/linux/adm8668/patches-3.18/200-amba_pl010_hacks.patch @@ -0,0 +1,377 @@ +--- a/drivers/tty/serial/amba-pl010.c ++++ b/drivers/tty/serial/amba-pl010.c +@@ -48,11 +48,10 @@ + #include <linux/slab.h> + #include <linux/io.h> + +-#define UART_NR 8 +- + #define SERIAL_AMBA_MAJOR 204 + #define SERIAL_AMBA_MINOR 16 +-#define SERIAL_AMBA_NR UART_NR ++#define SERIAL_AMBA_NR CONFIG_SERIAL_AMBA_PL010_NUMPORTS ++#define SERIAL_AMBA_NAME CONFIG_SERIAL_AMBA_PL010_PORTNAME + + #define AMBA_ISR_PASS_LIMIT 256 + +@@ -78,9 +77,9 @@ static void pl010_stop_tx(struct uart_po + struct uart_amba_port *uap = (struct uart_amba_port *)port; + unsigned int cr; + +- cr = readb(uap->port.membase + UART010_CR); ++ cr = __raw_readl(uap->port.membase + UART010_CR); + cr &= ~UART010_CR_TIE; +- writel(cr, uap->port.membase + UART010_CR); ++ __raw_writel(cr, uap->port.membase + UART010_CR); + } + + static void pl010_start_tx(struct uart_port *port) +@@ -88,9 +87,9 @@ static void pl010_start_tx(struct uart_p + struct uart_amba_port *uap = (struct uart_amba_port *)port; + unsigned int cr; + +- cr = readb(uap->port.membase + UART010_CR); ++ cr = __raw_readl(uap->port.membase + UART010_CR); + cr |= UART010_CR_TIE; +- writel(cr, uap->port.membase + UART010_CR); ++ __raw_writel(cr, uap->port.membase + UART010_CR); + } + + static void pl010_stop_rx(struct uart_port *port) +@@ -98,9 +97,9 @@ static void pl010_stop_rx(struct uart_po + struct uart_amba_port *uap = (struct uart_amba_port *)port; + unsigned int cr; + +- cr = readb(uap->port.membase + UART010_CR); ++ cr = __raw_readl(uap->port.membase + UART010_CR); + cr &= ~(UART010_CR_RIE | UART010_CR_RTIE); +- writel(cr, uap->port.membase + UART010_CR); ++ __raw_writel(cr, uap->port.membase + UART010_CR); + } + + static void pl010_enable_ms(struct uart_port *port) +@@ -108,18 +107,18 @@ static void pl010_enable_ms(struct uart_ + struct uart_amba_port *uap = (struct uart_amba_port *)port; + unsigned int cr; + +- cr = readb(uap->port.membase + UART010_CR); ++ cr = __raw_readl(uap->port.membase + UART010_CR); + cr |= UART010_CR_MSIE; +- writel(cr, uap->port.membase + UART010_CR); ++ __raw_writel(cr, uap->port.membase + UART010_CR); + } + + static void pl010_rx_chars(struct uart_amba_port *uap) + { + unsigned int status, ch, flag, rsr, max_count = 256; + +- status = readb(uap->port.membase + UART01x_FR); ++ status = __raw_readl(uap->port.membase + UART01x_FR); + while (UART_RX_DATA(status) && max_count--) { +- ch = readb(uap->port.membase + UART01x_DR); ++ ch = __raw_readl(uap->port.membase + UART01x_DR); + flag = TTY_NORMAL; + + uap->port.icount.rx++; +@@ -128,9 +127,9 @@ static void pl010_rx_chars(struct uart_a + * Note that the error handling code is + * out of the main execution path + */ +- rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; ++ rsr = __raw_readl(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; + if (unlikely(rsr & UART01x_RSR_ANY)) { +- writel(0, uap->port.membase + UART01x_ECR); ++ __raw_writel(0, uap->port.membase + UART01x_ECR); + + if (rsr & UART01x_RSR_BE) { + rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); +@@ -160,7 +159,7 @@ static void pl010_rx_chars(struct uart_a + uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag); + + ignore_char: +- status = readb(uap->port.membase + UART01x_FR); ++ status = __raw_readl(uap->port.membase + UART01x_FR); + } + spin_unlock(&uap->port.lock); + tty_flip_buffer_push(&uap->port.state->port); +@@ -173,7 +172,7 @@ static void pl010_tx_chars(struct uart_a + int count; + + if (uap->port.x_char) { +- writel(uap->port.x_char, uap->port.membase + UART01x_DR); ++ __raw_writel(uap->port.x_char, uap->port.membase + UART01x_DR); + uap->port.icount.tx++; + uap->port.x_char = 0; + return; +@@ -185,7 +184,7 @@ static void pl010_tx_chars(struct uart_a + + count = uap->port.fifosize >> 1; + do { +- writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR); ++ __raw_writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + uap->port.icount.tx++; + if (uart_circ_empty(xmit)) +@@ -203,9 +202,9 @@ static void pl010_modem_status(struct ua + { + unsigned int status, delta; + +- writel(0, uap->port.membase + UART010_ICR); ++ __raw_writel(0, uap->port.membase + UART010_ICR); + +- status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; ++ status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; + + delta = status ^ uap->old_status; + uap->old_status = status; +@@ -233,7 +232,7 @@ static irqreturn_t pl010_int(int irq, vo + + spin_lock(&uap->port.lock); + +- status = readb(uap->port.membase + UART010_IIR); ++ status = __raw_readl(uap->port.membase + UART010_IIR); + if (status) { + do { + if (status & (UART010_IIR_RTIS | UART010_IIR_RIS)) +@@ -246,7 +245,7 @@ static irqreturn_t pl010_int(int irq, vo + if (pass_counter-- == 0) + break; + +- status = readb(uap->port.membase + UART010_IIR); ++ status = __raw_readl(uap->port.membase + UART010_IIR); + } while (status & (UART010_IIR_RTIS | UART010_IIR_RIS | + UART010_IIR_TIS)); + handled = 1; +@@ -260,7 +259,7 @@ static irqreturn_t pl010_int(int irq, vo + static unsigned int pl010_tx_empty(struct uart_port *port) + { + struct uart_amba_port *uap = (struct uart_amba_port *)port; +- unsigned int status = readb(uap->port.membase + UART01x_FR); ++ unsigned int status = __raw_readl(uap->port.membase + UART01x_FR); + return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT; + } + +@@ -270,7 +269,7 @@ static unsigned int pl010_get_mctrl(stru + unsigned int result = 0; + unsigned int status; + +- status = readb(uap->port.membase + UART01x_FR); ++ status = __raw_readl(uap->port.membase + UART01x_FR); + if (status & UART01x_FR_DCD) + result |= TIOCM_CAR; + if (status & UART01x_FR_DSR) +@@ -296,12 +295,12 @@ static void pl010_break_ctl(struct uart_ + unsigned int lcr_h; + + spin_lock_irqsave(&uap->port.lock, flags); +- lcr_h = readb(uap->port.membase + UART010_LCRH); ++ lcr_h = __raw_readl(uap->port.membase + UART010_LCRH); + if (break_state == -1) + lcr_h |= UART01x_LCRH_BRK; + else + lcr_h &= ~UART01x_LCRH_BRK; +- writel(lcr_h, uap->port.membase + UART010_LCRH); ++ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH); + spin_unlock_irqrestore(&uap->port.lock, flags); + } + +@@ -329,12 +328,12 @@ static int pl010_startup(struct uart_por + /* + * initialise the old status of the modem signals + */ +- uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; ++ uap->old_status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; + + /* + * Finally, enable interrupts + */ +- writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE, ++ __raw_writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE, + uap->port.membase + UART010_CR); + + return 0; +@@ -357,10 +356,10 @@ static void pl010_shutdown(struct uart_p + /* + * disable all interrupts, disable the port + */ +- writel(0, uap->port.membase + UART010_CR); ++ __raw_writel(0, uap->port.membase + UART010_CR); + + /* disable break condition and fifos */ +- writel(readb(uap->port.membase + UART010_LCRH) & ++ __raw_writel(__raw_readl(uap->port.membase + UART010_LCRH) & + ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN), + uap->port.membase + UART010_LCRH); + +@@ -382,7 +381,7 @@ pl010_set_termios(struct uart_port *port + /* + * Ask the core to calculate the divisor for us. + */ +- baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16); ++ baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16); + quot = uart_get_divisor(port, baud); + + switch (termios->c_cflag & CSIZE) { +@@ -445,25 +444,25 @@ pl010_set_termios(struct uart_port *port + uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX; + + /* first, disable everything */ +- old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE; ++ old_cr = __raw_readl(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE; + + if (UART_ENABLE_MS(port, termios->c_cflag)) + old_cr |= UART010_CR_MSIE; + +- writel(0, uap->port.membase + UART010_CR); ++ __raw_writel(0, uap->port.membase + UART010_CR); + + /* Set baud rate */ + quot -= 1; +- writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); +- writel(quot & 0xff, uap->port.membase + UART010_LCRL); ++ __raw_writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); ++ __raw_writel(quot & 0xff, uap->port.membase + UART010_LCRL); + + /* + * ----------v----------v----------v----------v----- + * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L + * ----------^----------^----------^----------^----- + */ +- writel(lcr_h, uap->port.membase + UART010_LCRH); +- writel(old_cr, uap->port.membase + UART010_CR); ++ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH); ++ __raw_writel(old_cr, uap->port.membase + UART010_CR); + + spin_unlock_irqrestore(&uap->port.lock, flags); + } +@@ -545,7 +544,7 @@ static struct uart_ops amba_pl010_pops = + .verify_port = pl010_verify_port, + }; + +-static struct uart_amba_port *amba_ports[UART_NR]; ++static struct uart_amba_port *amba_ports[SERIAL_AMBA_NR]; + + #ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE + +@@ -555,10 +554,10 @@ static void pl010_console_putchar(struct + unsigned int status; + + do { +- status = readb(uap->port.membase + UART01x_FR); ++ status = __raw_readl(uap->port.membase + UART01x_FR); + barrier(); + } while (!UART_TX_READY(status)); +- writel(ch, uap->port.membase + UART01x_DR); ++ __raw_writel(ch, uap->port.membase + UART01x_DR); + } + + static void +@@ -572,8 +571,8 @@ pl010_console_write(struct console *co, + /* + * First save the CR then disable the interrupts + */ +- old_cr = readb(uap->port.membase + UART010_CR); +- writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR); ++ old_cr = __raw_readl(uap->port.membase + UART010_CR); ++ __raw_writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR); + + uart_console_write(&uap->port, s, count, pl010_console_putchar); + +@@ -582,10 +581,10 @@ pl010_console_write(struct console *co, + * and restore the TCR + */ + do { +- status = readb(uap->port.membase + UART01x_FR); ++ status = __raw_readl(uap->port.membase + UART01x_FR); + barrier(); + } while (status & UART01x_FR_BUSY); +- writel(old_cr, uap->port.membase + UART010_CR); ++ __raw_writel(old_cr, uap->port.membase + UART010_CR); + + clk_disable(uap->clk); + } +@@ -594,9 +593,9 @@ static void __init + pl010_console_get_options(struct uart_amba_port *uap, int *baud, + int *parity, int *bits) + { +- if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) { ++ if (__raw_readl(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) { + unsigned int lcr_h, quot; +- lcr_h = readb(uap->port.membase + UART010_LCRH); ++ lcr_h = __raw_readl(uap->port.membase + UART010_LCRH); + + *parity = 'n'; + if (lcr_h & UART01x_LCRH_PEN) { +@@ -611,8 +610,8 @@ pl010_console_get_options(struct uart_am + else + *bits = 8; + +- quot = readb(uap->port.membase + UART010_LCRL) | +- readb(uap->port.membase + UART010_LCRM) << 8; ++ quot = __raw_readl(uap->port.membase + UART010_LCRL) | ++ __raw_readl(uap->port.membase + UART010_LCRM) << 8; + *baud = uap->port.uartclk / (16 * (quot + 1)); + } + } +@@ -631,7 +630,7 @@ static int __init pl010_console_setup(st + * if so, search for the first available port that does have + * console support. + */ +- if (co->index >= UART_NR) ++ if (co->index >= SERIAL_AMBA_NR) + co->index = 0; + uap = amba_ports[co->index]; + if (!uap) +@@ -653,7 +652,7 @@ static int __init pl010_console_setup(st + + static struct uart_driver amba_reg; + static struct console amba_console = { +- .name = "ttyAM", ++ .name = SERIAL_AMBA_NAME, + .write = pl010_console_write, + .device = uart_console_device, + .setup = pl010_console_setup, +@@ -669,11 +668,11 @@ static struct console amba_console = { + + static struct uart_driver amba_reg = { + .owner = THIS_MODULE, +- .driver_name = "ttyAM", +- .dev_name = "ttyAM", ++ .driver_name = SERIAL_AMBA_NAME, ++ .dev_name = SERIAL_AMBA_NAME, + .major = SERIAL_AMBA_MAJOR, + .minor = SERIAL_AMBA_MINOR, +- .nr = UART_NR, ++ .nr = SERIAL_AMBA_NR, + .cons = AMBA_CONSOLE, + }; + +--- a/drivers/tty/serial/Kconfig ++++ b/drivers/tty/serial/Kconfig +@@ -25,10 +25,25 @@ config SERIAL_AMBA_PL010 + help + This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have + an Integrator/AP or Integrator/PP2 platform, or if you have a +- Cirrus Logic EP93xx CPU, say Y or M here. ++ Cirrus Logic EP93xx CPU or an Infineon ADM5120 SOC, say Y or M here. + + If unsure, say N. + ++config SERIAL_AMBA_PL010_NUMPORTS ++ int "Maximum number of AMBA PL010 serial ports" ++ depends on SERIAL_AMBA_PL010 ++ default "8" ++ ---help--- ++ Set this to the number of serial ports you want the AMBA PL010 driver ++ to support. ++ ++config SERIAL_AMBA_PL010_PORTNAME ++ string "Name of the AMBA PL010 serial ports" ++ depends on SERIAL_AMBA_PL010 ++ default "ttyAM" ++ ---help--- ++ ::: To be written ::: ++ + config SERIAL_AMBA_PL010_CONSOLE + bool "Support for console on AMBA serial port" + depends on SERIAL_AMBA_PL010=y diff --git a/target/linux/adm8668/patches-3.18/201-amba_bus_hacks.patch b/target/linux/adm8668/patches-3.18/201-amba_bus_hacks.patch new file mode 100644 index 0000000000..c79721aa96 --- /dev/null +++ b/target/linux/adm8668/patches-3.18/201-amba_bus_hacks.patch @@ -0,0 +1,13 @@ +--- a/drivers/amba/bus.c ++++ b/drivers/amba/bus.c +@@ -21,6 +21,10 @@ + + #include <asm/irq.h> + ++#ifndef NO_IRQ ++#define NO_IRQ (-1) ++#endif ++ + #define to_amba_driver(d) container_of(d, struct amba_driver, drv) + + static const struct amba_id * |