2 * arch/arm/mach-ixp4xx/nas100d-setup.c
6 * based ixdp425-setup.c:
7 * Copyright (C) 2003-2004 MontaVista Software, Inc.
9 * Author: Alessandro Zummo <a.zummo@towertech.it>
10 * Author: Rod Whitby <rod@whitby.id.au>
11 * Maintainers: http://www.nslu2-linux.org/
15 #include <linux/kernel.h>
16 #include <linux/serial.h>
17 #include <linux/serial_8250.h>
18 #include <linux/leds.h>
19 #include <linux/i2c-gpio.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23 #include <asm/mach/flash.h>
25 static struct flash_platform_data nas100d_flash_data
= {
26 .map_name
= "cfi_probe",
30 static struct resource nas100d_flash_resource
= {
31 .flags
= IORESOURCE_MEM
,
34 static struct platform_device nas100d_flash
= {
35 .name
= "IXP4XX-Flash",
37 .dev
.platform_data
= &nas100d_flash_data
,
39 .resource
= &nas100d_flash_resource
,
42 #ifdef CONFIG_LEDS_IXP4XX
43 static struct resource nas100d_led_resources
[] = {
45 .name
= "wlan", /* green led */
48 .flags
= IXP4XX_GPIO_LOW
,
51 .name
= "ready", /* blue power led (off is flashing!) */
54 .flags
= IXP4XX_GPIO_LOW
,
57 .name
= "disk", /* yellow led */
60 .flags
= IXP4XX_GPIO_LOW
,
64 static struct platform_device nas100d_leds
= {
65 .name
= "IXP4XX-GPIO-LED",
67 .num_resources
= ARRAY_SIZE(nas100d_led_resources
),
68 .resource
= nas100d_led_resources
,
72 static struct i2c_gpio_platform_data nas100d_i2c_gpio_data
= {
73 .sda_pin
= NAS100D_SDA_PIN
,
74 .scl_pin
= NAS100D_SCL_PIN
,
77 static struct platform_device nas100d_i2c_gpio
= {
81 .platform_data
= &nas100d_i2c_gpio_data
,
85 static struct resource nas100d_uart_resources
[] = {
87 .start
= IXP4XX_UART1_BASE_PHYS
,
88 .end
= IXP4XX_UART1_BASE_PHYS
+ 0x0fff,
89 .flags
= IORESOURCE_MEM
,
92 .start
= IXP4XX_UART2_BASE_PHYS
,
93 .end
= IXP4XX_UART2_BASE_PHYS
+ 0x0fff,
94 .flags
= IORESOURCE_MEM
,
98 static struct plat_serial8250_port nas100d_uart_data
[] = {
100 .mapbase
= IXP4XX_UART1_BASE_PHYS
,
101 .membase
= (char *)IXP4XX_UART1_BASE_VIRT
+ REG_OFFSET
,
102 .irq
= IRQ_IXP4XX_UART1
,
103 .flags
= UPF_BOOT_AUTOCONF
,
106 .uartclk
= IXP4XX_UART_XTAL
,
109 .mapbase
= IXP4XX_UART2_BASE_PHYS
,
110 .membase
= (char *)IXP4XX_UART2_BASE_VIRT
+ REG_OFFSET
,
111 .irq
= IRQ_IXP4XX_UART2
,
112 .flags
= UPF_BOOT_AUTOCONF
,
115 .uartclk
= IXP4XX_UART_XTAL
,
120 static struct platform_device nas100d_uart
= {
121 .name
= "serial8250",
122 .id
= PLAT8250_DEV_PLATFORM
,
123 .dev
.platform_data
= nas100d_uart_data
,
125 .resource
= nas100d_uart_resources
,
128 static struct platform_device
*nas100d_devices
[] __initdata
= {
131 #ifdef CONFIG_LEDS_IXP4XX
136 static void nas100d_power_off(void)
138 /* This causes the box to drop the power and go dead. */
140 /* enable the pwr cntl gpio */
141 gpio_line_config(NAS100D_PO_GPIO
, IXP4XX_GPIO_OUT
);
144 gpio_line_set(NAS100D_PO_GPIO
, IXP4XX_GPIO_HIGH
);
147 static void __init
nas100d_init(void)
151 /* gpio 14 and 15 are _not_ clocks */
152 *IXP4XX_GPIO_GPCLKR
= 0;
154 nas100d_flash_resource
.start
= IXP4XX_EXP_BUS_BASE(0);
155 nas100d_flash_resource
.end
=
156 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size
- 1;
158 pm_power_off
= nas100d_power_off
;
161 * This is only useful on a modified machine, but it is valuable
162 * to have it first in order to see debug messages, and so that
163 * it does *not* get removed if platform_add_devices fails!
165 (void)platform_device_register(&nas100d_uart
);
167 platform_add_devices(nas100d_devices
, ARRAY_SIZE(nas100d_devices
));
170 MACHINE_START(NAS100D
, "Iomega NAS 100d")
171 /* Maintainer: www.nslu2-linux.org */
172 .phys_io
= IXP4XX_PERIPHERAL_BASE_PHYS
,
173 .io_pg_offst
= ((IXP4XX_PERIPHERAL_BASE_VIRT
) >> 18) & 0xFFFC,
174 .boot_params
= 0x00000100,
175 .map_io
= ixp4xx_map_io
,
176 .init_irq
= ixp4xx_init_irq
,
177 .timer
= &ixp4xx_timer
,
178 .init_machine
= nas100d_init
,