2 * arch/arm/mach-ixp4xx/nslu2-setup.c
6 * based ixdp425-setup.c:
7 * Copyright (C) 2003-2004 MontaVista Software, Inc.
9 * Author: Mark Rakes <mrakes at mac.com>
10 * Maintainers: http://www.nslu2-linux.org/
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
16 #include <linux/kernel.h>
17 #include <linux/serial.h>
18 #include <linux/serial_8250.h>
20 #include <asm/mach-types.h>
21 #include <asm/mach/arch.h>
22 #include <asm/mach/flash.h>
24 static struct flash_platform_data nslu2_flash_data
= {
25 .map_name
= "cfi_probe",
29 static struct resource nslu2_flash_resource
= {
30 .flags
= IORESOURCE_MEM
,
33 static struct platform_device nslu2_flash
= {
34 .name
= "IXP4XX-Flash",
36 .dev
.platform_data
= &nslu2_flash_data
,
38 .resource
= &nslu2_flash_resource
,
41 static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins
= {
42 .sda_pin
= NSLU2_SDA_PIN
,
43 .scl_pin
= NSLU2_SCL_PIN
,
46 static struct platform_device nslu2_i2c_controller
= {
49 .dev
.platform_data
= &nslu2_i2c_gpio_pins
,
53 static struct platform_device nslu2_beeper
= {
54 .name
= "ixp4xx-beeper",
55 .id
= NSLU2_GPIO_BUZZ
,
59 static struct resource nslu2_uart_resources
[] = {
61 .start
= IXP4XX_UART1_BASE_PHYS
,
62 .end
= IXP4XX_UART1_BASE_PHYS
+ 0x0fff,
63 .flags
= IORESOURCE_MEM
,
66 .start
= IXP4XX_UART2_BASE_PHYS
,
67 .end
= IXP4XX_UART2_BASE_PHYS
+ 0x0fff,
68 .flags
= IORESOURCE_MEM
,
72 static struct plat_serial8250_port nslu2_uart_data
[] = {
74 .mapbase
= IXP4XX_UART1_BASE_PHYS
,
75 .membase
= (char *)IXP4XX_UART1_BASE_VIRT
+ REG_OFFSET
,
76 .irq
= IRQ_IXP4XX_UART1
,
77 .flags
= UPF_BOOT_AUTOCONF
,
80 .uartclk
= IXP4XX_UART_XTAL
,
83 .mapbase
= IXP4XX_UART2_BASE_PHYS
,
84 .membase
= (char *)IXP4XX_UART2_BASE_VIRT
+ REG_OFFSET
,
85 .irq
= IRQ_IXP4XX_UART2
,
86 .flags
= UPF_BOOT_AUTOCONF
,
89 .uartclk
= IXP4XX_UART_XTAL
,
94 static struct platform_device nslu2_uart
= {
96 .id
= PLAT8250_DEV_PLATFORM
,
97 .dev
.platform_data
= nslu2_uart_data
,
99 .resource
= nslu2_uart_resources
,
102 static struct platform_device
*nslu2_devices
[] __initdata
= {
103 &nslu2_i2c_controller
,
109 static void nslu2_power_off(void)
111 /* This causes the box to drop the power and go dead. */
113 /* enable the pwr cntl gpio */
114 gpio_line_config(NSLU2_PO_GPIO
, IXP4XX_GPIO_OUT
);
117 gpio_line_set(NSLU2_PO_GPIO
, IXP4XX_GPIO_HIGH
);
120 static void __init
nslu2_init(void)
124 nslu2_flash_resource
.start
= IXP4XX_EXP_BUS_BASE(0);
125 nslu2_flash_resource
.end
=
126 IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size
- 1;
128 pm_power_off
= nslu2_power_off
;
130 platform_add_devices(nslu2_devices
, ARRAY_SIZE(nslu2_devices
));
133 MACHINE_START(NSLU2
, "Linksys NSLU2")
134 /* Maintainer: www.nslu2-linux.org */
135 .phys_io
= IXP4XX_PERIPHERAL_BASE_PHYS
,
136 .io_pg_offst
= ((IXP4XX_PERIPHERAL_BASE_VIRT
) >> 18) & 0xFFFC,
137 .boot_params
= 0x00000100,
138 .map_io
= ixp4xx_map_io
,
139 .init_irq
= ixp4xx_init_irq
,
140 .timer
= &ixp4xx_timer
,
141 .init_machine
= nslu2_init
,