projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3145d8a6 RW |
1 | /* |
| 2 | * arch/arm/mach-ixp4xx/nas100d-setup.c | |
| 3 | * | |
| 4 | * NAS 100d board-setup | |
| 5 | * | |
| 6 | * based ixdp425-setup.c: | |
| 7 | * Copyright (C) 2003-2004 MontaVista Software, Inc. | |
| 8 | * | |
| 9 | * Author: Alessandro Zummo <a.zummo@towertech.it> | |
| 10 | * Author: Rod Whitby <rod@whitby.id.au> | |
| 11 | * Maintainers: http://www.nslu2-linux.org/ | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #include <linux/kernel.h> | |
| 16 | #include <linux/serial.h> | |
| 17 | #include <linux/serial_8250.h> | |
| 18 | ||
| 19 | #include <asm/mach-types.h> | |
| 20 | #include <asm/mach/arch.h> | |
| 21 | #include <asm/mach/flash.h> | |
| 22 | ||
| 23 | static struct flash_platform_data nas100d_flash_data = { | |
| 24 | .map_name = "cfi_probe", | |
| 25 | .width = 2, | |
| 26 | }; | |
| 27 | ||
| 28 | static struct resource nas100d_flash_resource = { | |
| 3145d8a6 RW |
29 | .flags = IORESOURCE_MEM, |
| 30 | }; | |
| 31 | ||
| 32 | static struct platform_device nas100d_flash = { | |
| 33 | .name = "IXP4XX-Flash", | |
| 34 | .id = 0, | |
| 35 | .dev.platform_data = &nas100d_flash_data, | |
| 36 | .num_resources = 1, | |
| 37 | .resource = &nas100d_flash_resource, | |
| 38 | }; | |
| 39 | ||
| 40 | static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins = { | |
| 41 | .sda_pin = NAS100D_SDA_PIN, | |
| 42 | .scl_pin = NAS100D_SCL_PIN, | |
| 43 | }; | |
| 44 | ||
| 45 | static struct platform_device nas100d_i2c_controller = { | |
| 46 | .name = "IXP4XX-I2C", | |
| 47 | .id = 0, | |
| 48 | .dev.platform_data = &nas100d_i2c_gpio_pins, | |
| 49 | .num_resources = 0, | |
| 50 | }; | |
| 51 | ||
| 52 | static struct resource nas100d_uart_resources[] = { | |
| 53 | { | |
| 54 | .start = IXP4XX_UART1_BASE_PHYS, | |
| 55 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | |
| 56 | .flags = IORESOURCE_MEM, | |
| 57 | }, | |
| 58 | { | |
| 59 | .start = IXP4XX_UART2_BASE_PHYS, | |
| 60 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | |
| 61 | .flags = IORESOURCE_MEM, | |
| 62 | } | |
| 63 | }; | |
| 64 | ||
| 65 | static struct plat_serial8250_port nas100d_uart_data[] = { | |
| 66 | { | |
| 67 | .mapbase = IXP4XX_UART1_BASE_PHYS, | |
| 68 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | |
| 69 | .irq = IRQ_IXP4XX_UART1, | |
| 70 | .flags = UPF_BOOT_AUTOCONF, | |
| 71 | .iotype = UPIO_MEM, | |
| 72 | .regshift = 2, | |
| 73 | .uartclk = IXP4XX_UART_XTAL, | |
| 74 | }, | |
| 75 | { | |
| 76 | .mapbase = IXP4XX_UART2_BASE_PHYS, | |
| 77 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | |
| 78 | .irq = IRQ_IXP4XX_UART2, | |
| 79 | .flags = UPF_BOOT_AUTOCONF, | |
| 80 | .iotype = UPIO_MEM, | |
| 81 | .regshift = 2, | |
| 82 | .uartclk = IXP4XX_UART_XTAL, | |
| 83 | }, | |
| 84 | { } | |
| 85 | }; | |
| 86 | ||
| 87 | static struct platform_device nas100d_uart = { | |
| 88 | .name = "serial8250", | |
| 89 | .id = PLAT8250_DEV_PLATFORM, | |
| 90 | .dev.platform_data = nas100d_uart_data, | |
| 91 | .num_resources = 2, | |
| 92 | .resource = nas100d_uart_resources, | |
| 93 | }; | |
| 94 | ||
| 95 | static struct platform_device *nas100d_devices[] __initdata = { | |
| 96 | &nas100d_i2c_controller, | |
| 97 | &nas100d_flash, | |
| 98 | &nas100d_uart, | |
| 99 | }; | |
| 100 | ||
| 101 | static void nas100d_power_off(void) | |
| 102 | { | |
| 103 | /* This causes the box to drop the power and go dead. */ | |
| 104 | ||
| 105 | /* enable the pwr cntl gpio */ | |
| 106 | gpio_line_config(NAS100D_PO_GPIO, IXP4XX_GPIO_OUT); | |
| 107 | ||
| 108 | /* do the deed */ | |
| 109 | gpio_line_set(NAS100D_PO_GPIO, IXP4XX_GPIO_HIGH); | |
| 110 | } | |
| 111 | ||
| 112 | static void __init nas100d_init(void) | |
| 113 | { | |
| 114 | ixp4xx_sys_init(); | |
| 115 | ||
| dcc8fa50 AZ |
116 | /* gpio 14 and 15 are _not_ clocks */ |
| 117 | *IXP4XX_GPIO_GPCLKR = 0; | |
| 118 | ||
| 54e269ea DS |
119 | nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |
| 120 | nas100d_flash_resource.end = | |
| 121 | IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; | |
| 122 | ||
| 3145d8a6 RW |
123 | pm_power_off = nas100d_power_off; |
| 124 | ||
| 125 | platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); | |
| 126 | } | |
| 127 | ||
| 128 | MACHINE_START(NAS100D, "Iomega NAS 100d") | |
| 129 | /* Maintainer: www.nslu2-linux.org */ | |
| 3145d8a6 RW |
130 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, |
| 131 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, | |
| 132 | .boot_params = 0x00000100, | |
| 133 | .map_io = ixp4xx_map_io, | |
| 134 | .init_irq = ixp4xx_init_irq, | |
| 135 | .timer = &ixp4xx_timer, | |
| 136 | .init_machine = nas100d_init, | |
| 137 | MACHINE_END |