diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/nslu2-setup.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/nslu2-setup.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c new file mode 100644 index 000000000000..289e94cb65c2 --- /dev/null +++ b/arch/arm/mach-ixp4xx/nslu2-setup.c | |||
@@ -0,0 +1,134 @@ | |||
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 = { | ||
30 | .start = NSLU2_FLASH_BASE, | ||
31 | .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE, | ||
32 | .flags = IORESOURCE_MEM, | ||
33 | }; | ||
34 | |||
35 | static struct platform_device nslu2_flash = { | ||
36 | .name = "IXP4XX-Flash", | ||
37 | .id = 0, | ||
38 | .dev.platform_data = &nslu2_flash_data, | ||
39 | .num_resources = 1, | ||
40 | .resource = &nslu2_flash_resource, | ||
41 | }; | ||
42 | |||
43 | static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = { | ||
44 | .sda_pin = NSLU2_SDA_PIN, | ||
45 | .scl_pin = NSLU2_SCL_PIN, | ||
46 | }; | ||
47 | |||
48 | static struct platform_device nslu2_i2c_controller = { | ||
49 | .name = "IXP4XX-I2C", | ||
50 | .id = 0, | ||
51 | .dev.platform_data = &nslu2_i2c_gpio_pins, | ||
52 | .num_resources = 0, | ||
53 | }; | ||
54 | |||
55 | static struct resource nslu2_uart_resources[] = { | ||
56 | { | ||
57 | .start = IXP4XX_UART1_BASE_PHYS, | ||
58 | .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, | ||
59 | .flags = IORESOURCE_MEM, | ||
60 | }, | ||
61 | { | ||
62 | .start = IXP4XX_UART2_BASE_PHYS, | ||
63 | .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, | ||
64 | .flags = IORESOURCE_MEM, | ||
65 | } | ||
66 | }; | ||
67 | |||
68 | static struct plat_serial8250_port nslu2_uart_data[] = { | ||
69 | { | ||
70 | .mapbase = IXP4XX_UART1_BASE_PHYS, | ||
71 | .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, | ||
72 | .irq = IRQ_IXP4XX_UART1, | ||
73 | .flags = UPF_BOOT_AUTOCONF, | ||
74 | .iotype = UPIO_MEM, | ||
75 | .regshift = 2, | ||
76 | .uartclk = IXP4XX_UART_XTAL, | ||
77 | }, | ||
78 | { | ||
79 | .mapbase = IXP4XX_UART2_BASE_PHYS, | ||
80 | .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET, | ||
81 | .irq = IRQ_IXP4XX_UART2, | ||
82 | .flags = UPF_BOOT_AUTOCONF, | ||
83 | .iotype = UPIO_MEM, | ||
84 | .regshift = 2, | ||
85 | .uartclk = IXP4XX_UART_XTAL, | ||
86 | }, | ||
87 | { } | ||
88 | }; | ||
89 | |||
90 | static struct platform_device nslu2_uart = { | ||
91 | .name = "serial8250", | ||
92 | .id = PLAT8250_DEV_PLATFORM, | ||
93 | .dev.platform_data = nslu2_uart_data, | ||
94 | .num_resources = 2, | ||
95 | .resource = nslu2_uart_resources, | ||
96 | }; | ||
97 | |||
98 | static struct platform_device *nslu2_devices[] __initdata = { | ||
99 | &nslu2_i2c_controller, | ||
100 | &nslu2_flash, | ||
101 | &nslu2_uart, | ||
102 | }; | ||
103 | |||
104 | static void nslu2_power_off(void) | ||
105 | { | ||
106 | /* This causes the box to drop the power and go dead. */ | ||
107 | |||
108 | /* enable the pwr cntl gpio */ | ||
109 | gpio_line_config(NSLU2_PO_GPIO, IXP4XX_GPIO_OUT); | ||
110 | |||
111 | /* do the deed */ | ||
112 | gpio_line_set(NSLU2_PO_GPIO, IXP4XX_GPIO_HIGH); | ||
113 | } | ||
114 | |||
115 | static void __init nslu2_init(void) | ||
116 | { | ||
117 | ixp4xx_sys_init(); | ||
118 | |||
119 | pm_power_off = nslu2_power_off; | ||
120 | |||
121 | platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices)); | ||
122 | } | ||
123 | |||
124 | MACHINE_START(NSLU2, "Linksys NSLU2") | ||
125 | /* Maintainer: www.nslu2-linux.org */ | ||
126 | .phys_ram = PHYS_OFFSET, | ||
127 | .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, | ||
128 | .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC, | ||
129 | .boot_params = 0x00000100, | ||
130 | .map_io = ixp4xx_map_io, | ||
131 | .init_irq = ixp4xx_init_irq, | ||
132 | .timer = &ixp4xx_timer, | ||
133 | .init_machine = nslu2_init, | ||
134 | MACHINE_END | ||