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
|
/*
* MikroTik RouterBOARD 750 support
*
* Copyright (C) 2010 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/platform_device.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/mach-rb750.h>
#include "machtype.h"
#include "devices.h"
#include "dev-ap91-eth.h"
static struct rb750_led_data rb750_leds[] = {
{
.name = "rb750:green:act",
.mask = RB750_LED_ACT,
.active_low = 1,
}, {
.name = "rb750:green:port1",
.mask = RB750_LED_PORT5,
.active_low = 1,
}, {
.name = "rb750:green:port2",
.mask = RB750_LED_PORT4,
.active_low = 1,
}, {
.name = "rb750:green:port3",
.mask = RB750_LED_PORT3,
.active_low = 1,
}, {
.name = "rb750:green:port4",
.mask = RB750_LED_PORT2,
.active_low = 1,
}, {
.name = "rb750:green:port5",
.mask = RB750_LED_PORT1,
.active_low = 1,
}
};
static struct rb750_led_platform_data rb750_leds_data = {
.num_leds = ARRAY_SIZE(rb750_leds),
.leds = rb750_leds,
};
static struct platform_device rb750_leds_device = {
.name = "leds-rb750",
.dev = {
.platform_data = &rb750_leds_data,
}
};
static const char *rb750_port_names[AP91_ETH_NUM_PORT_NAMES] __initdata = {
"port5",
"port4",
"port3",
"port2",
};
static struct platform_device rb750_nand_device = {
.name = "rb750-nand",
.id = -1,
};
int rb750_latch_change(u32 mask_clr, u32 mask_set)
{
static DEFINE_SPINLOCK(lock);
static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
static u32 latch_oe;
static u32 latch_clr;
unsigned long flags;
u32 t;
int ret = 0;
spin_lock_irqsave(&lock, flags);
if ((mask_clr & BIT(31)) != 0 &&
(latch_set & RB750_LVC573_LE) == 0) {
goto unlock;
}
latch_set = (latch_set | mask_set) & ~mask_clr;
latch_clr = (latch_clr | mask_clr) & ~mask_set;
if (latch_oe == 0)
latch_oe = __raw_readl(ar71xx_gpio_base + GPIO_REG_OE);
if (likely(latch_set & RB750_LVC573_LE)) {
void __iomem *base = ar71xx_gpio_base;
t = __raw_readl(base + GPIO_REG_OE);
t |= mask_clr | latch_oe | mask_set;
__raw_writel(t, base + GPIO_REG_OE);
__raw_writel(latch_clr, base + GPIO_REG_CLEAR);
__raw_writel(latch_set, base + GPIO_REG_SET);
} else if (mask_clr & RB750_LVC573_LE) {
void __iomem *base = ar71xx_gpio_base;
latch_oe = __raw_readl(base + GPIO_REG_OE);
__raw_writel(RB750_LVC573_LE, base + GPIO_REG_CLEAR);
/* flush write */
__raw_readl(base + GPIO_REG_CLEAR);
}
ret = 1;
unlock:
spin_unlock_irqrestore(&lock, flags);
return ret;
}
EXPORT_SYMBOL_GPL(rb750_latch_change);
static void __init rb750_setup(void)
{
ar71xx_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
ap91_eth_init(rb750_port_names);
platform_device_register(&rb750_leds_device);
platform_device_register(&rb750_nand_device);
}
MIPS_MACHINE(AR71XX_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
rb750_setup);
|
