diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/nas100d-setup.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/nas100d-setup.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c new file mode 100644 index 000000000000..49998a8bd4e8 --- /dev/null +++ b/arch/arm/mach-ixp4xx/nas100d-setup.c | |||
@@ -0,0 +1,135 @@ | |||
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 = { | ||
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 | |||
116 | nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); | ||
117 | nas100d_flash_resource.end = | ||
118 | IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; | ||
119 | |||
120 | pm_power_off = nas100d_power_off; | ||
121 | |||
122 | platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); | ||
123 | } | ||
124 | |||
125 | MACHINE_START(NAS100D, "Iomega NAS 100d") | ||
126 | /* Maintainer: www.nslu2-linux.org */ | ||
127 | .phys_ram = PHYS_OFFSET, | ||
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 = nas100d_init, | ||
135 | MACHINE_END | ||