diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ixp4xx/fsg-setup.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ixp4xx/fsg-setup.c | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ixp4xx/fsg-setup.c b/ANDROID_3.4.5/arch/arm/mach-ixp4xx/fsg-setup.c deleted file mode 100644 index 9175a25a..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-ixp4xx/fsg-setup.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * 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/gpio.h> -#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 <linux/io.h> -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> - -#define FSG_SDA_PIN 12 -#define FSG_SCL_PIN 13 - -#define FSG_SB_GPIO 4 /* sync button */ -#define FSG_RB_GPIO 9 /* reset button */ -#define FSG_UB_GPIO 10 /* usb button */ - -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("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) -{ - uint8_t __iomem *f; - - 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__ - int i; - 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 %pM for port 0\n", - fsg_plat_eth[0].hwaddr); - printk(KERN_INFO "FSG: Using MAC address %pM for port 1\n", - fsg_plat_eth[1].hwaddr); - -} - -MACHINE_START(FSG, "Freecom FSG-3") - /* Maintainer: www.nslu2-linux.org */ - .map_io = ixp4xx_map_io, - .init_early = ixp4xx_init_early, - .init_irq = ixp4xx_init_irq, - .timer = &ixp4xx_timer, - .atag_offset = 0x100, - .init_machine = fsg_init, -#if defined(CONFIG_PCI) - .dma_zone_size = SZ_64M, -#endif - .restart = ixp4xx_restart, -MACHINE_END - |