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
|
/*
* Mikrotik RouterBOARD 150 support
*
* Copyright (C) 2007-2008 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 "rb-1xx.h"
#define RB150_NAND_BASE 0x1FC80000
#define RB150_NAND_SIZE 1
#define RB150_GPIO_NAND_READY ADM5120_GPIO_PIN0
#define RB150_GPIO_NAND_NCE ADM5120_GPIO_PIN1
#define RB150_GPIO_NAND_CLE ADM5120_GPIO_P2L2
#define RB150_GPIO_NAND_ALE ADM5120_GPIO_P3L2
#define RB150_GPIO_RESET_BUTTON ADM5120_GPIO_PIN1 /* FIXME */
#define RB150_NAND_DELAY 100
#define RB150_NAND_WRITE(v) \
writeb((v), (void __iomem *)KSEG1ADDR(RB150_NAND_BASE))
static struct resource rb150_nand_resources[] __initdata = {
[0] = {
.start = RB150_NAND_BASE,
.end = RB150_NAND_BASE + RB150_NAND_SIZE-1,
.flags = IORESOURCE_MEM,
},
};
static struct gpio_led rb150_gpio_leds[] __initdata = {
GPIO_LED_STD(ADM5120_GPIO_P0L2, "user", NULL),
GPIO_LED_INV(ADM5120_GPIO_P0L1, "lan1_led1", NULL),
GPIO_LED_INV(ADM5120_GPIO_P0L0, "lan1_led2", NULL),
GPIO_LED_INV(ADM5120_GPIO_P1L1, "lan5_led1", NULL),
GPIO_LED_INV(ADM5120_GPIO_P1L0, "lan5_led2", NULL),
GPIO_LED_INV(ADM5120_GPIO_P2L1, "lan4_led1", NULL),
GPIO_LED_INV(ADM5120_GPIO_P2L0, "lan4_led2", NULL),
GPIO_LED_INV(ADM5120_GPIO_P3L1, "lan3_led1", NULL),
GPIO_LED_INV(ADM5120_GPIO_P3L0, "lan3_led2", NULL),
GPIO_LED_INV(ADM5120_GPIO_P4L1, "lan2_led1", NULL),
GPIO_LED_INV(ADM5120_GPIO_P4L0, "lan2_led2", NULL),
};
static u8 rb150_vlans[6] __initdata = {
0x7F, 0x00, 0x00, 0x00, 0x00, 0x00
};
static int rb150_nand_dev_ready(struct mtd_info *mtd)
{
return gpio_get_value(RB150_GPIO_NAND_READY);
}
static void rb150_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
if (ctrl & NAND_CTRL_CHANGE) {
gpio_set_value(RB150_GPIO_NAND_CLE, (ctrl & NAND_CLE) ? 1 : 0);
gpio_set_value(RB150_GPIO_NAND_ALE, (ctrl & NAND_ALE) ? 1 : 0);
gpio_set_value(RB150_GPIO_NAND_NCE, (ctrl & NAND_NCE) ? 0 : 1);
}
udelay(RB150_NAND_DELAY);
if (cmd != NAND_CMD_NONE)
RB150_NAND_WRITE(cmd);
}
static void __init rb150_add_device_nand(void)
{
struct platform_device *pdev;
int err;
/* setup GPIO pins for NAND flash chip */
gpio_request(RB150_GPIO_NAND_READY, "nand-ready");
gpio_direction_input(RB150_GPIO_NAND_READY);
gpio_request(RB150_GPIO_NAND_NCE, "nand-nce");
gpio_direction_output(RB150_GPIO_NAND_NCE, 1);
gpio_request(RB150_GPIO_NAND_CLE, "nand-cle");
gpio_direction_output(RB150_GPIO_NAND_CLE, 0);
gpio_request(RB150_GPIO_NAND_ALE, "nand-ale");
gpio_direction_output(RB150_GPIO_NAND_ALE, 0);
pdev = platform_device_alloc("gen_nand", -1);
if (!pdev)
goto err_out;
err = platform_device_add_resources(pdev, rb150_nand_resources,
ARRAY_SIZE(rb150_nand_resources));
if (err)
goto err_put;
rb1xx_nand_data.ctrl.cmd_ctrl = rb150_nand_cmd_ctrl;
rb1xx_nand_data.ctrl.dev_ready = rb150_nand_dev_ready;
err = platform_device_add_data(pdev, &rb1xx_nand_data,
sizeof(rb1xx_nand_data));
if (err)
goto err_put;
err = platform_device_add(pdev);
if (err)
goto err_put;
return;
err_put:
platform_device_put(pdev);
err_out:
return;
}
static void __init rb150_setup(void)
{
rb1xx_gpio_buttons[0].gpio = RB150_GPIO_RESET_BUTTON;
rb1xx_generic_setup();
rb150_add_device_nand();
adm5120_add_device_gpio_leds(ARRAY_SIZE(rb150_gpio_leds),
rb150_gpio_leds);
adm5120_add_device_switch(5, rb150_vlans);
}
MIPS_MACHINE(MACH_ADM5120_RB_150, "miniROUTER", "Mikrotik RouterBOARD 150",
rb150_setup);
|
