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
|
/*
* Copyright (C) ADMtek Incorporated.
* Creator : daniell@admtek.com.tw
* Copyright 1999, 2000 MIPS Technologies, Inc.
* Copyright Jeroen Vreeken (pe1rxq@amsat.org), 2005
*/
#include <linux/autoconf.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <asm/reboot.h>
#include <asm/io.h>
#include <asm/time.h>
#include <adm5120_info.h>
#define ADM5120_SOFTRESET 0x12000004
#define STATUS_IE 0x00000001
#define ALLINTS (IE_IRQ0 | IE_IRQ5 | STATUS_IE)
void mips_time_init(void);
extern unsigned int mips_counter_frequency;
void adm5120_restart(char *command)
{
*(u32*)KSEG1ADDR(ADM5120_SOFTRESET)=1;
}
void adm5120_halt(void)
{
printk(KERN_NOTICE "\n** You can safely turn off the power\n");
while (1);
}
void adm5120_power_off(void)
{
adm5120_halt();
}
void __init adm5120_time_init(void)
{
mips_counter_frequency = adm5120_info.cpu_speed >> 1;
}
void __init plat_timer_setup(struct irqaction *irq)
{
/* to generate the first timer interrupt */
write_c0_compare(read_c0_count()+ mips_counter_frequency/HZ);
clear_c0_status(ST0_BEV);
set_c0_status(ALLINTS);
}
void __init plat_mem_setup(void)
{
printk(KERN_INFO "ADM5120 board setup\n");
board_time_init = adm5120_time_init;
//board_timer_setup = mips_timer_setup;
_machine_restart = adm5120_restart;
_machine_halt = adm5120_halt;
pm_power_off = adm5120_power_off;
set_io_port_base(KSEG1);
}
const char *get_system_type(void)
{
return "ADM5120 Board";
}
static struct resource adm5120_hcd_resources[] = {
[0] = {
.start = 0x11200000,
.end = 0x11200084,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = 0x3,
.end = 0x3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device adm5120hcd_device = {
.name = "adm5120-hcd",
.id = -1,
.num_resources = ARRAY_SIZE(adm5120_hcd_resources),
.resource = adm5120_hcd_resources,
};
static struct platform_device *devices[] __initdata = {
&adm5120hcd_device,
};
static int __init adm5120_init(void)
{
return platform_add_devices(devices, ARRAY_SIZE(devices));
}
subsys_initcall(adm5120_init);
|