mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 18:57:24 +02:00
d9077e15ae
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30405 3c298f89-4303-0410-b956-a3cf2f4a3e73
155 lines
3.7 KiB
C
155 lines
3.7 KiB
C
/*
|
|
* MikroTik RouterBOARD 750 support
|
|
*
|
|
* Copyright (C) 2010-2012 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/export.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/mach-ath79/ar71xx_regs.h>
|
|
#include <asm/mach-ath79/ath79.h>
|
|
#include <asm/mach-ath79/mach-rb750.h>
|
|
|
|
#include "common.h"
|
|
#include "dev-eth.h"
|
|
#include "machtypes.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 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(ath79_gpio_base + AR71XX_GPIO_REG_OE);
|
|
|
|
if (likely(latch_set & RB750_LVC573_LE)) {
|
|
void __iomem *base = ath79_gpio_base;
|
|
|
|
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
|
|
t |= mask_clr | latch_oe | mask_set;
|
|
|
|
__raw_writel(t, base + AR71XX_GPIO_REG_OE);
|
|
__raw_writel(latch_clr, base + AR71XX_GPIO_REG_CLEAR);
|
|
__raw_writel(latch_set, base + AR71XX_GPIO_REG_SET);
|
|
} else if (mask_clr & RB750_LVC573_LE) {
|
|
void __iomem *base = ath79_gpio_base;
|
|
|
|
latch_oe = __raw_readl(base + AR71XX_GPIO_REG_OE);
|
|
__raw_writel(RB750_LVC573_LE, base + AR71XX_GPIO_REG_CLEAR);
|
|
/* flush write */
|
|
__raw_readl(base + AR71XX_GPIO_REG_CLEAR);
|
|
}
|
|
|
|
ret = 1;
|
|
|
|
unlock:
|
|
spin_unlock_irqrestore(&lock, flags);
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(rb750_latch_change);
|
|
|
|
void rb750_nand_pins_enable(void)
|
|
{
|
|
ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
|
|
AR724X_GPIO_FUNC_SPI_EN);
|
|
}
|
|
EXPORT_SYMBOL_GPL(rb750_nand_pins_enable);
|
|
|
|
void rb750_nand_pins_disable(void)
|
|
{
|
|
ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
|
|
AR724X_GPIO_FUNC_JTAG_DISABLE);
|
|
}
|
|
EXPORT_SYMBOL_GPL(rb750_nand_pins_disable);
|
|
|
|
static void __init rb750_setup(void)
|
|
{
|
|
ath79_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);
|
|
|
|
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
|
|
ath79_init_mac(ath79_eth1_data.mac_addr, ath79_mac_base, 1);
|
|
|
|
ath79_register_mdio(0, 0x0);
|
|
|
|
/* LAN ports */
|
|
ath79_register_eth(1);
|
|
|
|
/* WAN port */
|
|
ath79_register_eth(0);
|
|
|
|
platform_device_register(&rb750_leds_device);
|
|
platform_device_register(&rb750_nand_device);
|
|
}
|
|
|
|
MIPS_MACHINE(ATH79_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
|
|
rb750_setup);
|