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
|
/*
* Ralink RT305x SoC platform device registration
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/rt305x.h>
#include <asm/mach-ralink/rt305x_regs.h>
#include "devices.h"
#include <ramips_eth_platform.h>
static struct resource rt305x_flash0_resources[] = {
{
.flags = IORESOURCE_MEM,
.start = KSEG1ADDR(RT305X_FLASH0_BASE),
.end = KSEG1ADDR(RT305X_FLASH0_BASE) +
RT305X_FLASH0_SIZE - 1,
},
};
static struct platform_device rt305x_flash0_device = {
.name = "physmap-flash",
.resource = rt305x_flash0_resources,
.num_resources = ARRAY_SIZE(rt305x_flash0_resources),
};
static struct resource rt305x_flash1_resources[] = {
{
.flags = IORESOURCE_MEM,
.start = KSEG1ADDR(RT305X_FLASH1_BASE),
.end = KSEG1ADDR(RT305X_FLASH1_BASE) +
RT305X_FLASH1_SIZE - 1,
},
};
static struct platform_device rt305x_flash1_device = {
.name = "physmap-flash",
.resource = rt305x_flash1_resources,
.num_resources = ARRAY_SIZE(rt305x_flash1_resources),
};
static int rt305x_flash_instance __initdata;
void __init rt305x_register_flash(unsigned int id,
struct physmap_flash_data *pdata)
{
struct platform_device *pdev;
u32 t;
int reg;
switch (id) {
case 0:
pdev = &rt305x_flash0_device;
reg = MEMC_REG_FLASH_CFG0;
break;
case 1:
pdev = &rt305x_flash1_device;
reg = MEMC_REG_FLASH_CFG1;
break;
default:
return;
}
t = rt305x_memc_rr(reg);
t = (t >> FLASH_CFG_WIDTH_SHIFT) & FLASH_CFG_WIDTH_MASK;
switch (t) {
case FLASH_CFG_WIDTH_8BIT:
pdata->width = 1;
break;
case FLASH_CFG_WIDTH_16BIT:
pdata->width = 2;
break;
case FLASH_CFG_WIDTH_32BIT:
pdata->width = 4;
break;
default:
printk(KERN_ERR "RT305x: flash bank%u witdh is invalid\n", id);
return;
}
pdev->dev.platform_data = pdata;
pdev->id = rt305x_flash_instance;
platform_device_register(pdev);
rt305x_flash_instance++;
}
static void rt305x_fe_reset(void)
{
rt305x_sysc_wr(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
rt305x_sysc_wr(0, SYSC_REG_RESET_CTRL);
}
static struct resource rt305x_eth_resources[] = {
{
.start = RT305X_FE_BASE,
.end = RT305X_FE_BASE + PAGE_SIZE - 1,
.flags = IORESOURCE_MEM,
}, {
.start = RT305X_CPU_IRQ_FE,
.end = RT305X_CPU_IRQ_FE,
.flags = IORESOURCE_IRQ,
},
};
static struct ramips_eth_platform_data ramips_eth_data = {
.mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
.reset_fe = rt305x_fe_reset,
.min_pkt_len = 64,
};
static struct platform_device rt305x_eth_device = {
.name = "ramips_eth",
.resource = rt305x_eth_resources,
.num_resources = ARRAY_SIZE(rt305x_eth_resources),
.dev = {
.platform_data = &ramips_eth_data,
}
};
void __init rt305x_register_ethernet(void)
{
ramips_eth_data.sys_freq = rt305x_sys_freq;
platform_device_register(&rt305x_eth_device);
}
|
