diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.26/030-ixp4xx_fsg_board_support.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-2.6.26/030-ixp4xx_fsg_board_support.patch | 559 |
1 files changed, 559 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.26/030-ixp4xx_fsg_board_support.patch b/target/linux/ixp4xx/patches-2.6.26/030-ixp4xx_fsg_board_support.patch new file mode 100644 index 0000000000..8fb7280e07 --- /dev/null +++ b/target/linux/ixp4xx/patches-2.6.26/030-ixp4xx_fsg_board_support.patch @@ -0,0 +1,559 @@ +From: Rod Whitby <rod@whitby.id.au> +Subject: [PATCH] ixp4xx: Add support for the Freecom FSG-3 board (Patch #4874) + +The Freecom-FSG3 is a small network-attached-storage device with the +following feature set: + +* Intel IXP422 +* 4MB Flash (ixp4xx flash driver) +* 64MB RAM +* 4 USB 2.0 host ports (ehci and ohci drivers) +* 1 WAN (eth1) and 3 LAN (eth0) ethernet ports + * Supported by the open source ixp4xx ethernet driver +* Via VT6421 disk controller (libata and sata-via drivers) + * Internal hard disk (PATA supported, SATA not yet supported) + * External SATA port (not yet supported) +* ISL1208 RTC chip +* Winbond 83782 temp sensor and fan controller +* MiniPCI slot + +The ixp4xx_defconfig is also updated to support this device (the +leds-fsg driver is to be submitted separately via the leds tree after +this initial support is merged, as it depends on header gpio defines). + +Signed-off-by: Rod Whitby <rod@whitby.id.au> + +PATCH FOLLOWS +KernelVersion: v2.6.25-rc6-74-g264e3e8 +--- + +Updated to correct all issues found by RMK. + +The front power button calls ctrl_alt_del() and the rear reset button +now calls machine_restart() directly. + + arch/arm/configs/ixp4xx_defconfig | 9 +- + arch/arm/mach-ixp4xx/Kconfig | 9 + + arch/arm/mach-ixp4xx/Makefile | 2 + + arch/arm/mach-ixp4xx/fsg-pci.c | 71 ++++++++ + arch/arm/mach-ixp4xx/fsg-setup.c | 276 ++++++++++++++++++++++++++++++++ + include/asm-arm/arch-ixp4xx/fsg.h | 50 ++++++ + include/asm-arm/arch-ixp4xx/hardware.h | 1 + + include/asm-arm/arch-ixp4xx/irqs.h | 7 + + 8 files changed, 421 insertions(+), 4 deletions(-) + create mode 100644 arch/arm/mach-ixp4xx/fsg-pci.c + create mode 100644 arch/arm/mach-ixp4xx/fsg-setup.c + create mode 100644 include/asm-arm/arch-ixp4xx/fsg.h + +--- a/arch/arm/configs/ixp4xx_defconfig ++++ b/arch/arm/configs/ixp4xx_defconfig +@@ -165,6 +165,7 @@ + CONFIG_MACH_NAS100D=y + CONFIG_MACH_DSMG600=y + CONFIG_ARCH_IXDP4XX=y ++CONFIG_MACH_FSG=y + CONFIG_CPU_IXP46X=y + CONFIG_CPU_IXP43X=y + CONFIG_MACH_GTWX5715=y +@@ -770,7 +771,7 @@ + # CONFIG_SATA_SIL24 is not set + # CONFIG_SATA_SIS is not set + # CONFIG_SATA_ULI is not set +-# CONFIG_SATA_VIA is not set ++CONFIG_SATA_VIA=y + # CONFIG_SATA_VITESSE is not set + # CONFIG_SATA_INIC162X is not set + # CONFIG_PATA_ALI is not set +@@ -1143,7 +1144,7 @@ + # CONFIG_SENSORS_VIA686A is not set + # CONFIG_SENSORS_VT1211 is not set + # CONFIG_SENSORS_VT8231 is not set +-# CONFIG_SENSORS_W83781D is not set ++CONFIG_SENSORS_W83781D=y + # CONFIG_SENSORS_W83791D is not set + # CONFIG_SENSORS_W83792D is not set + # CONFIG_SENSORS_W83793 is not set +@@ -1334,8 +1335,8 @@ + # + # LED drivers + # +-# CONFIG_LEDS_IXP4XX is not set + CONFIG_LEDS_GPIO=y ++CONFIG_LEDS_FSG=y + + # + # LED Triggers +@@ -1367,7 +1368,7 @@ + # CONFIG_RTC_DRV_DS1672 is not set + # CONFIG_RTC_DRV_MAX6900 is not set + # CONFIG_RTC_DRV_RS5C372 is not set +-# CONFIG_RTC_DRV_ISL1208 is not set ++CONFIG_RTC_DRV_ISL1208=y + CONFIG_RTC_DRV_X1205=y + CONFIG_RTC_DRV_PCF8563=y + # CONFIG_RTC_DRV_PCF8583 is not set +--- a/arch/arm/mach-ixp4xx/Kconfig ++++ b/arch/arm/mach-ixp4xx/Kconfig +@@ -125,6 +125,15 @@ + depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435 + default y + ++config MACH_FSG ++ bool ++ prompt "Freecom FSG-3" ++ select PCI ++ help ++ Say 'Y' here if you want your kernel to support Freecom's ++ FSG-3 device. For more information on this platform, ++ see http://www.nslu2-linux.org/wiki/FSG3/HomePage ++ + # + # Certain registers and IRQs are only enabled if supporting IXP465 CPUs + # +--- a/arch/arm/mach-ixp4xx/Makefile ++++ b/arch/arm/mach-ixp4xx/Makefile +@@ -15,6 +15,7 @@ + obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o + obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o + obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o ++obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o + + obj-y += common.o + +@@ -28,6 +29,7 @@ + obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o + obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o + obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o ++obj-$(CONFIG_MACH_FSG) += fsg-setup.o + + obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o + obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o +--- /dev/null ++++ b/arch/arm/mach-ixp4xx/fsg-pci.c +@@ -0,0 +1,71 @@ ++/* ++ * arch/arch/mach-ixp4xx/fsg-pci.c ++ * ++ * FSG board-level PCI initialization ++ * ++ * Author: Rod Whitby <rod@whitby.id.au> ++ * Maintainer: http://www.nslu2-linux.org/ ++ * ++ * based on ixdp425-pci.c: ++ * Copyright (C) 2002 Intel Corporation. ++ * Copyright (C) 2003-2004 MontaVista Software, Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ */ ++ ++#include <linux/pci.h> ++#include <linux/init.h> ++#include <linux/irq.h> ++ ++#include <asm/mach/pci.h> ++#include <asm/mach-types.h> ++ ++void __init fsg_pci_preinit(void) ++{ ++ set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW); ++ set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW); ++ set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW); ++ ++ ixp4xx_pci_preinit(); ++} ++ ++static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ static int pci_irq_table[FSG_PCI_IRQ_LINES] = { ++ IRQ_FSG_PCI_INTC, ++ IRQ_FSG_PCI_INTB, ++ IRQ_FSG_PCI_INTA, ++ }; ++ ++ int irq = -1; ++ slot = slot - 11; ++ ++ if (slot >= 1 && slot <= FSG_PCI_MAX_DEV && ++ pin >= 1 && pin <= FSG_PCI_IRQ_LINES) ++ irq = pci_irq_table[(slot - 1)]; ++ printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n", ++ __func__, slot, pin, irq); ++ ++ return irq; ++} ++ ++struct hw_pci fsg_pci __initdata = { ++ .nr_controllers = 1, ++ .preinit = fsg_pci_preinit, ++ .swizzle = pci_std_swizzle, ++ .setup = ixp4xx_setup, ++ .scan = ixp4xx_scan_bus, ++ .map_irq = fsg_map_irq, ++}; ++ ++int __init fsg_pci_init(void) ++{ ++ if (machine_is_fsg()) ++ pci_common_init(&fsg_pci); ++ return 0; ++} ++ ++subsys_initcall(fsg_pci_init); +--- /dev/null ++++ b/arch/arm/mach-ixp4xx/fsg-setup.c +@@ -0,0 +1,276 @@ ++/* ++ * arch/arm/mach-ixp4xx/fsg-setup.c ++ * ++ * FSG board-setup ++ * ++ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au> ++ * ++ * based on ixdp425-setup.c: ++ * Copyright (C) 2003-2004 MontaVista Software, Inc. ++ * based on nslu2-power.c ++ * Copyright (C) 2005 Tower Technologies ++ * ++ * Author: Rod Whitby <rod@whitby.id.au> ++ * Maintainers: http://www.nslu2-linux.org/ ++ * ++ */ ++ ++#include <linux/if_ether.h> ++#include <linux/irq.h> ++#include <linux/serial.h> ++#include <linux/serial_8250.h> ++#include <linux/leds.h> ++#include <linux/reboot.h> ++#include <linux/i2c.h> ++#include <linux/i2c-gpio.h> ++ ++#include <asm/mach-types.h> ++#include <asm/mach/arch.h> ++#include <asm/mach/flash.h> ++#include <asm/io.h> ++#include <asm/gpio.h> ++ ++static struct flash_platform_data fsg_flash_data = { ++ .map_name = "cfi_probe", ++ .width = 2, ++}; ++ ++static struct resource fsg_flash_resource = { ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device fsg_flash = { ++ .name = "IXP4XX-Flash", ++ .id = 0, ++ .dev = { ++ .platform_data = &fsg_flash_data, ++ }, ++ .num_resources = 1, ++ .resource = &fsg_flash_resource, ++}; ++ ++static struct i2c_gpio_platform_data fsg_i2c_gpio_data = { ++ .sda_pin = FSG_SDA_PIN, ++ .scl_pin = FSG_SCL_PIN, ++}; ++ ++static struct platform_device fsg_i2c_gpio = { ++ .name = "i2c-gpio", ++ .id = 0, ++ .dev = { ++ .platform_data = &fsg_i2c_gpio_data, ++ }, ++}; ++ ++static struct i2c_board_info __initdata fsg_i2c_board_info [] = { ++ { ++ I2C_BOARD_INFO("rtc-isl1208", 0x6f), ++ }, ++}; ++ ++static struct resource fsg_uart_resources[] = { ++ { ++ .start = IXP4XX_UART1_BASE_PHYS, ++ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = IXP4XX_UART2_BASE_PHYS, ++ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, ++ .flags = IORESOURCE_MEM, ++ } ++}; ++ ++static struct plat_serial8250_port fsg_uart_data[] = { ++ { ++ .mapbase = IXP4XX_UART1_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART1, ++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { ++ .mapbase = IXP4XX_UART2_BASE_PHYS, ++ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, ++ .irq = IRQ_IXP4XX_UART2, ++ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, ++ .iotype = UPIO_MEM, ++ .regshift = 2, ++ .uartclk = IXP4XX_UART_XTAL, ++ }, ++ { } ++}; ++ ++static struct platform_device fsg_uart = { ++ .name = "serial8250", ++ .id = PLAT8250_DEV_PLATFORM, ++ .dev = { ++ .platform_data = fsg_uart_data, ++ }, ++ .num_resources = ARRAY_SIZE(fsg_uart_resources), ++ .resource = fsg_uart_resources, ++}; ++ ++static struct platform_device fsg_leds = { ++ .name = "fsg-led", ++ .id = -1, ++}; ++ ++/* Built-in 10/100 Ethernet MAC interfaces */ ++static struct eth_plat_info fsg_plat_eth[] = { ++ { ++ .phy = 5, ++ .rxq = 3, ++ .txreadyq = 20, ++ }, { ++ .phy = 4, ++ .rxq = 4, ++ .txreadyq = 21, ++ } ++}; ++ ++static struct platform_device fsg_eth[] = { ++ { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEB, ++ .dev = { ++ .platform_data = fsg_plat_eth, ++ }, ++ }, { ++ .name = "ixp4xx_eth", ++ .id = IXP4XX_ETH_NPEC, ++ .dev = { ++ .platform_data = fsg_plat_eth + 1, ++ }, ++ } ++}; ++ ++static struct platform_device *fsg_devices[] __initdata = { ++ &fsg_i2c_gpio, ++ &fsg_flash, ++ &fsg_leds, ++ &fsg_eth[0], ++ &fsg_eth[1], ++}; ++ ++static irqreturn_t fsg_power_handler(int irq, void *dev_id) ++{ ++ /* Signal init to do the ctrlaltdel action, this will bypass init if ++ * it hasn't started and do a kernel_restart. ++ */ ++ ctrl_alt_del(); ++ ++ return IRQ_HANDLED; ++} ++ ++static irqreturn_t fsg_reset_handler(int irq, void *dev_id) ++{ ++ /* This is the paper-clip reset which does an emergency reboot. */ ++ printk(KERN_INFO "Restarting system.\n"); ++ machine_restart(NULL); ++ ++ /* This should never be reached. */ ++ return IRQ_HANDLED; ++} ++ ++static void __init fsg_init(void) ++{ ++ DECLARE_MAC_BUF(mac_buf); ++ uint8_t __iomem *f; ++ int i; ++ ++ ixp4xx_sys_init(); ++ ++ fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); ++ fsg_flash_resource.end = ++ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; ++ ++ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; ++ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; ++ ++ /* Configure CS2 for operation, 8bit and writable */ ++ *IXP4XX_EXP_CS2 = 0xbfff0002; ++ ++ i2c_register_board_info(0, fsg_i2c_board_info, ++ ARRAY_SIZE(fsg_i2c_board_info)); ++ ++ /* This is only useful on a modified machine, but it is valuable ++ * to have it first in order to see debug messages, and so that ++ * it does *not* get removed if platform_add_devices fails! ++ */ ++ (void)platform_device_register(&fsg_uart); ++ ++ platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices)); ++ ++ if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler, ++ IRQF_DISABLED | IRQF_TRIGGER_LOW, ++ "FSG reset button", NULL) < 0) { ++ ++ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", ++ gpio_to_irq(FSG_RB_GPIO)); ++ } ++ ++ if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler, ++ IRQF_DISABLED | IRQF_TRIGGER_LOW, ++ "FSG power button", NULL) < 0) { ++ ++ printk(KERN_DEBUG "Power Button IRQ %d not available\n", ++ gpio_to_irq(FSG_SB_GPIO)); ++ } ++ ++ /* ++ * Map in a portion of the flash and read the MAC addresses. ++ * Since it is stored in BE in the flash itself, we need to ++ * byteswap it if we're in LE mode. ++ */ ++ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000); ++ if (f) { ++#ifdef __ARMEB__ ++ for (i = 0; i < 6; i++) { ++ fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i); ++ fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i); ++ } ++#else ++ ++ /* ++ Endian-swapped reads from unaligned addresses are ++ required to extract the two MACs from the big-endian ++ Redboot config area in flash. ++ */ ++ ++ fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421); ++ fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420); ++ fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427); ++ fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426); ++ fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425); ++ fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424); ++ ++ fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439); ++ fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F); ++ fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E); ++ fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D); ++ fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C); ++ fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443); ++#endif ++ iounmap(f); ++ } ++ printk(KERN_INFO "FSG: Using MAC address %s for port 0\n", ++ print_mac(mac_buf, fsg_plat_eth[0].hwaddr)); ++ printk(KERN_INFO "FSG: Using MAC address %s for port 1\n", ++ print_mac(mac_buf, fsg_plat_eth[1].hwaddr)); ++ ++} ++ ++MACHINE_START(FSG, "Freecom FSG-3") ++ /* Maintainer: www.nslu2-linux.org */ ++ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, ++ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, ++ .map_io = ixp4xx_map_io, ++ .init_irq = ixp4xx_init_irq, ++ .timer = &ixp4xx_timer, ++ .boot_params = 0x0100, ++ .init_machine = fsg_init, ++MACHINE_END ++ +--- /dev/null ++++ b/include/asm-arm/arch-ixp4xx/fsg.h +@@ -0,0 +1,50 @@ ++/* ++ * include/asm-arm/arch-ixp4xx/fsg.h ++ * ++ * Freecom FSG-3 platform specific definitions ++ * ++ * Author: Rod Whitby <rod@whitby.id.au> ++ * Author: Tomasz Chmielewski <mangoo@wpkg.org> ++ * Maintainers: http://www.nslu2-linux.org ++ * ++ * Based on coyote.h by ++ * Copyright 2004 (c) MontaVista, Software, Inc. ++ * ++ * This file is licensed under the terms of the GNU General Public ++ * License version 2. This program is licensed "as is" without any ++ * warranty of any kind, whether express or implied. ++ */ ++ ++#ifndef __ASM_ARCH_HARDWARE_H__ ++#error "Do not include this directly, instead #include <asm/hardware.h>" ++#endif ++ ++#define FSG_SDA_PIN 12 ++#define FSG_SCL_PIN 13 ++ ++/* ++ * FSG PCI IRQs ++ */ ++#define FSG_PCI_MAX_DEV 3 ++#define FSG_PCI_IRQ_LINES 3 ++ ++ ++/* PCI controller GPIO to IRQ pin mappings */ ++#define FSG_PCI_INTA_PIN 6 ++#define FSG_PCI_INTB_PIN 7 ++#define FSG_PCI_INTC_PIN 5 ++ ++/* Buttons */ ++ ++#define FSG_SB_GPIO 4 /* sync button */ ++#define FSG_RB_GPIO 9 /* reset button */ ++#define FSG_UB_GPIO 10 /* usb button */ ++ ++/* LEDs */ ++ ++#define FSG_LED_WLAN_BIT 0 ++#define FSG_LED_WAN_BIT 1 ++#define FSG_LED_SATA_BIT 2 ++#define FSG_LED_USB_BIT 4 ++#define FSG_LED_RING_BIT 5 ++#define FSG_LED_SYNC_BIT 7 +--- a/include/asm-arm/arch-ixp4xx/hardware.h ++++ b/include/asm-arm/arch-ixp4xx/hardware.h +@@ -45,5 +45,6 @@ + #include "nslu2.h" + #include "nas100d.h" + #include "dsmg600.h" ++#include "fsg.h" + + #endif /* _ASM_ARCH_HARDWARE_H */ +--- a/include/asm-arm/arch-ixp4xx/irqs.h ++++ b/include/asm-arm/arch-ixp4xx/irqs.h +@@ -128,4 +128,11 @@ + #define IRQ_DSMG600_PCI_INTE IRQ_IXP4XX_GPIO7 + #define IRQ_DSMG600_PCI_INTF IRQ_IXP4XX_GPIO6 + ++/* ++ * Freecom FSG-3 Board IRQs ++ */ ++#define IRQ_FSG_PCI_INTA IRQ_IXP4XX_GPIO6 ++#define IRQ_FSG_PCI_INTB IRQ_IXP4XX_GPIO7 ++#define IRQ_FSG_PCI_INTC IRQ_IXP4XX_GPIO5 ++ + #endif |