2 * MikroTik RouterBOARD 750 support
4 * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/platform_device.h>
12 #include <asm/mach-ar71xx/ar71xx.h>
13 #include <asm/mach-ar71xx/mach-rb750.h>
17 #include "dev-ap91-eth.h"
19 static struct rb750_led_data rb750_leds[] = {
21 .name = "rb750:green:act",
22 .mask = RB750_LED_ACT,
25 .name = "rb750:green:port1",
26 .mask = RB750_LED_PORT5,
29 .name = "rb750:green:port2",
30 .mask = RB750_LED_PORT4,
33 .name = "rb750:green:port3",
34 .mask = RB750_LED_PORT3,
37 .name = "rb750:green:port4",
38 .mask = RB750_LED_PORT2,
41 .name = "rb750:green:port5",
42 .mask = RB750_LED_PORT1,
47 static struct rb750_led_platform_data rb750_leds_data = {
48 .num_leds = ARRAY_SIZE(rb750_leds),
52 static struct platform_device rb750_leds_device = {
55 .platform_data = &rb750_leds_data,
59 static const char *rb750_port_names[AP91_ETH_NUM_PORT_NAMES] __initdata = {
66 static struct platform_device rb750_nand_device = {
71 int rb750_latch_change(u32 mask_clr, u32 mask_set)
73 static DEFINE_SPINLOCK(lock);
74 static u32 latch_set = RB750_LED_BITS | RB750_LVC573_LE;
81 spin_lock_irqsave(&lock, flags);
83 if ((mask_clr & BIT(31)) != 0 &&
84 (latch_set & RB750_LVC573_LE) == 0) {
88 latch_set = (latch_set | mask_set) & ~mask_clr;
89 latch_clr = (latch_clr | mask_clr) & ~mask_set;
92 latch_oe = __raw_readl(ar71xx_gpio_base + GPIO_REG_OE);
94 if (likely(latch_set & RB750_LVC573_LE)) {
95 void __iomem *base = ar71xx_gpio_base;
97 t = __raw_readl(base + GPIO_REG_OE);
98 t |= mask_clr | latch_oe | mask_set;
100 __raw_writel(t, base + GPIO_REG_OE);
101 __raw_writel(latch_clr, base + GPIO_REG_CLEAR);
102 __raw_writel(latch_set, base + GPIO_REG_SET);
103 } else if (mask_clr & RB750_LVC573_LE) {
104 void __iomem *base = ar71xx_gpio_base;
106 latch_oe = __raw_readl(base + GPIO_REG_OE);
107 __raw_writel(RB750_LVC573_LE, base + GPIO_REG_CLEAR);
109 __raw_readl(base + GPIO_REG_CLEAR);
115 spin_unlock_irqrestore(&lock, flags);
118 EXPORT_SYMBOL_GPL(rb750_latch_change);
120 static void __init rb750_setup(void)
122 ar71xx_gpio_function_disable(AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
123 AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
124 AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
125 AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
126 AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
128 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
129 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
130 ap91_eth_init(rb750_port_names);
132 platform_device_register(&rb750_leds_device);
133 platform_device_register(&rb750_nand_device);
136 MIPS_MACHINE(AR71XX_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",