1 files changed, 136 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-rb750.c b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-rb750.c
new file mode 100644
index 000000000..9b63dc368
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/mach-rb750.c
@@ -0,0 +1,136 @@
+/*
+ *  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"
+
+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(ar71xx_gpio_base + AR71XX_GPIO_REG_OE);
+
+	if (likely(latch_set & RB750_LVC573_LE)) {
+		void __iomem *base = ar71xx_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 = ar71xx_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);
+
+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);
+
+	ar71xx_add_device_mdio(0, 0x0);
+
+	/* LAN ports */
+	ar71xx_add_device_eth(1);
+
+	/* WAN port */
+	ar71xx_add_device_eth(0);
+
+	platform_device_register(&rb750_leds_device);
+	platform_device_register(&rb750_nand_device);
+}
+
+MIPS_MACHINE(AR71XX_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",
+	     rb750_setup);