projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| a7918f39 AZ |
1 | /* |
| 2 | * arch/arm/mach-ixp4xx/nslu2-setup.c | |
| 3 | * | |
| 4 | * NSLU2 board-setup | |
| 5 | * | |
| 6 | * based ixdp425-setup.c: | |
| 7 | * Copyright (C) 2003-2004 MontaVista Software, Inc. | |
| 8 | * | |
| 9 | * Author: Mark Rakes <mrakes at mac.com> | |
| 10 | * Maintainers: http://www.nslu2-linux.org/ | |
| 11 | * | |
| 12 | * Fixed missing init_time in MACHINE_START kas11 10/22/04 | |
| 13 | * Changed to conform to new style __init ixdp425 kas11 10/22/04 | |
| 14 | */ | |
| 15 | ||
| 16 | #include <linux/kernel.h> | |
| 17 | #include <linux/serial.h> | |
| 18 | #include <linux/serial_8250.h> | |
| 19 | ||
| 20 | #include <asm/mach-types.h> | |
| 21 | #include <asm/mach/arch.h> | |
| 22 | #include <asm/mach/flash.h> | |
| 23 | ||
| 24 | static struct flash_platform_data nslu2_flash_data = { | |
| 25 | .map_name = "cfi_probe", | |
| 26 | .width = 2, | |
| 27 | }; | |
| 28 | ||
| 29 | static struct resource nslu2_flash_resource = { | |
| a7918f39 AZ |
30 | .flags = IORESOURCE_MEM, |
| 31 | }; | |
| 32 | ||
| 33 | static struct platform_device nslu2_flash = { | |
| 34 | .name = "IXP4XX-Flash", | |
| 35 | .id = 0, | |
| 36 | .dev.platform_data = &nslu2_flash_data, | |
| 37 | .num_resources = 1, | |
| 38 | .resource = &nslu2_flash_resource, | |
| 39 | }; | |
| 40 | ||
| 41 | static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = { | |
| 42 | .sda_pin = NSLU2_SDA_PIN, | |
| 43 | .scl_pin = NSLU2_SCL_PIN, | |
| 44 | }; | |
| 45 | ||
| 46 | static struct platform_device nslu2_i2c_controller = { | |
| 47 | .name = "IXP4XX-I2C", | |
| 48 | .id = 0, | |
| 49 | .dev.platform_data = &nslu2_i2c_gpio_pins, | |
| 50 | .num_resources = 0, | |
| 51 | }; | |
| 52 | ||
| 53 | static struct resource nslu2_uart_resources[] = { | |
| 54 | { | |
| 55 | .start = IXP4XX_UART1_BASE_PHYS, | |
| 56 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | |
| 57 | .flags = IORESOURCE_MEM, | |
| 58 | }, | |
| 59 | { | |
| 60 | .start = IXP4XX_UART2_BASE_PHYS, | |
| 61 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
| 62 | .flags = IORESOURCE_MEM, | |
| 63 | } | |
| 64 | }; | |
| 65 | ||
| 66 | static struct plat_serial8250_port nslu2_uart_data[] = { | |
| 67 | { | |
| 68 | .mapbase = IXP4XX_UART1_BASE_PHYS, | |
| 69 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | |
| 70 | .irq = IRQ_IXP4XX_UART1, | |
| 71 | .flags = UPF_BOOT_AUTOCONF, | |
| 72 | .iotype = UPIO_MEM, | |
| 73 | .regshift = 2, | |
| 74 | .uartclk = IXP4XX_UART_XTAL, | |
| 75 | }, | |
| 76 | { | |
| 77 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
| 78 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
| 79 | .irq = IRQ_IXP4XX_UART2, | |
| 80 | .flags = UPF_BOOT_AUTOCONF, | |
| 81 | .iotype = UPIO_MEM, | |
| 82 | .regshift = 2, | |
| 83 | .uartclk = IXP4XX_UART_XTAL, | |
| 84 | }, | |
| 85 | { } | |
| 86 | }; | |
| 87 | ||
| 88 | static struct platform_device nslu2_uart = { | |
| 89 | .name = "serial8250", | |
| 90 | .id = PLAT8250_DEV_PLATFORM, | |
| 91 | .dev.platform_data = nslu2_uart_data, | |
| 92 | .num_resources = 2, | |
| 93 | .resource = nslu2_uart_resources, | |
| 94 | }; | |
| 95 | ||
| 96 | static struct platform_device *nslu2_devices[] __initdata = { | |
| 97 | &nslu2_i2c_controller, | |
| 98 | &nslu2_flash, | |
| 99 | &nslu2_uart, | |
| 100 | }; | |
| 101 | ||
| 102 | static void nslu2_power_off(void) | |
| 103 | { | |
| 104 | /* This causes the box to drop the power and go dead. */ | |
| 105 | ||
| 106 | /* enable the pwr cntl gpio */ | |
| 107 | gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT); | |
| 108 | ||
| 109 | /* do the deed */ | |
| 110 | gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH); | |
| 111 | } | |
| 112 | ||
| 113 | static void __init nslu2_init(void) | |
| 114 | { | |
| 115 | ixp4xx_sys_init(); | |
| 116 | ||
| 3dfaf7a6 MM |
117 | nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |
| 118 | nslu2_flash_resource.end = | |
| 119 | IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; | |
| 120 | ||
| a7918f39 AZ |
121 | pm_power_off = nslu2_power_off; |
| 122 | ||
| 123 | platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); | |
| 124 | } | |
| 125 | ||
| 126 | MACHINE_START(NSLU2, "Linksys NSLU2") | |
| 127 | /* Maintainer: www.nslu2-linux.org */ | |
| a7918f39 AZ |
128 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, |
| 129 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, | |
| 130 | .boot_params = 0x00000100, | |
| 131 | .map_io = ixp4xx_map_io, | |
| 132 | .init_irq = ixp4xx_init_irq, | |
| 133 | .timer = &ixp4xx_timer, | |
| 134 | .init_machine = nslu2_init, | |
| 135 | MACHINE_END |