1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* arch/arm/mach-ixp4xx/nslu2-setup.c
*
* NSLU2 board-setup
*
* based ixdp425-setup.c:
* Copyright (C) 2003-2004 MontaVista Software, Inc.
*
* Author: Mark Rakes <mrakes at mac.com>
* Maintainers: http://www.nslu2-linux.org/
*
* Fixed missing init_time in MACHINE_START kas11 10/22/04
* Changed to conform to new style __init ixdp425 kas11 10/22/04
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
void __init nslu2_map_io(void)
{
ixp4xx_map_io();
}
static struct flash_platform_data nslu2_flash_data = {
.map_name = "cfi_probe",
.width = 2,
};
static struct resource nslu2_flash_resource = {
.start = NSLU2_FLASH_BASE,
.end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
.flags = IORESOURCE_MEM,
};
static struct platform_device nslu2_flash = {
.name = "IXP4XX-Flash",
.id = 0,
.dev = {
.platform_data = &nslu2_flash_data,
},
.num_resources = 1,
.resource = &nslu2_flash_resource,
};
static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
.sda_pin = NSLU2_SDA_PIN,
.scl_pin = NSLU2_SCL_PIN,
};
static struct platform_device nslu2_i2c_controller = {
.name = "IXP4XX-I2C",
.id = 0,
.dev = {
.platform_data = &nslu2_i2c_gpio_pins,
},
.num_resources = 0
};
static struct resource nslu2_uart_resources[] = {
{
.start = IXP4XX_UART1_BASE_PHYS,
.end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM
},
{
},
#if 0
, {
.start = IXP4XX_UART2_BASE_PHYS,
.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM
}
#endif
};
static struct plat_serial8250_port nslu2_uart_data[] = {
{
.mapbase = IXP4XX_UART1_BASE_PHYS,
.membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART1,
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
{
},
#if 0
, {
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART1,
.flags = UPF_BOOT_AUTOCONF,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
}
#endif
};
static struct platform_device nslu2_uart = {
.name = "serial8250",
.id = 0,
.dev.platform_data = nslu2_uart_data,
.num_resources = 2,
.resource = nslu2_uart_resources
};
static struct platform_device *nslu2_devices[] __initdata = {
&nslu2_i2c_controller,
&nslu2_flash,
&nslu2_uart
};
static void n2_power_off(void)
{
/* This causes the box to drop the power and go dead. */
#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000
*IXP4XX_GPIO_GPOER &= ~GPIO_PO_BM; // enable the pwr cntl gpio
*IXP4XX_GPIO_GPOUTR |= GPIO_PO_BM; // do the deed
}
static void __init nslu2_init(void)
{
ixp4xx_sys_init();
pm_power_off = n2_power_off;
platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
}
MACHINE_START(NSLU2, "Linksys NSLU2")
MAINTAINER("www.nslu2-linux.org")
BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
IXP4XX_PERIPHERAL_BASE_VIRT)
MAPIO(nslu2_map_io)
INITIRQ(ixp4xx_init_irq) //FIXME: all irq are off here
.timer = &ixp4xx_timer,
// INITTIME(ixp4xx_init_time) //this was missing in 2.6.7 code ...soft reboot needed?
BOOT_PARAMS(0x0100)
INIT_MACHINE(nslu2_init)
MACHINE_END
|
