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>
19 #include <asm/mach-types.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach/flash.h>
23 static struct flash_platform_data nas100d_flash_data
= {
24 .map_name
= "cfi_probe",
28 static struct resource nas100d_flash_resource
= {
29 .flags
= IORESOURCE_MEM
,
32 static struct platform_device nas100d_flash
= {
33 .name
= "IXP4XX-Flash",
35 .dev
.platform_data
= &nas100d_flash_data
,
37 .resource
= &nas100d_flash_resource
,
40 static struct ixp4xx_i2c_pins nas100d_i2c_gpio_pins
= {
41 .sda_pin
= NAS100D_SDA_PIN
,
42 .scl_pin
= NAS100D_SCL_PIN
,
45 static struct platform_device nas100d_i2c_controller
= {
48 .dev
.platform_data
= &nas100d_i2c_gpio_pins
,
52 static struct resource nas100d_uart_resources
[] = {
54 .start
= IXP4XX_UART1_BASE_PHYS
,
55 .end
= IXP4XX_UART1_BASE_PHYS
+ 0x0fff,
56 .flags
= IORESOURCE_MEM
,
59 .start
= IXP4XX_UART2_BASE_PHYS
,
60 .end
= IXP4XX_UART2_BASE_PHYS
+ 0x0fff,
61 .flags
= IORESOURCE_MEM
,
65 static struct plat_serial8250_port nas100d_uart_data
[] = {
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
,
73 .uartclk
= IXP4XX_UART_XTAL
,
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
,
82 .uartclk
= IXP4XX_UART_XTAL
,
87 static struct platform_device nas100d_uart
= {
89 .id
= PLAT8250_DEV_PLATFORM
,
90 .dev
.platform_data
= nas100d_uart_data
,
92 .resource
= nas100d_uart_resources
,
95 static struct platform_device
*nas100d_devices
[] __initdata
= {
96 &nas100d_i2c_controller
,
101 static void nas100d_power_off(void)
103 /* This causes the box to drop the power and go dead. */
105 /* enable the pwr cntl gpio */
106 gpio_line_config(NAS100D_PO_GPIO
, IXP4XX_GPIO_OUT
);
109 gpio_line_set(NAS100D_PO_GPIO
, IXP4XX_GPIO_HIGH
);
112 static void __init
nas100d_init(void)
116 /* gpio 14 and 15 are _not_ clocks */
117 *IXP4XX_GPIO_GPCLKR
= 0;
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;
123 pm_power_off
= nas100d_power_off
;
125 platform_add_devices(nas100d_devices
, ARRAY_SIZE(nas100d_devices
));
128 MACHINE_START(NAS100D
, "Iomega NAS 100d")
129 /* Maintainer: www.nslu2-linux.org */
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
,