X-Git-Url: http://git.ozo.com/?a=blobdiff_plain;f=target%2Flinux%2Far71xx%2Ffiles%2Farch%2Fmips%2Far71xx%2Fmach-rb750.c;h=1698db9146426ac7535e5df4d970dc14af4622f8;hb=7ee68b0bf39237ac6fa0f3137be865c4048e2e64;hp=dd481d9eb92773b3c5e5173ad6c29fdeaf9e77c3;hpb=8221ebb0200c30f1896ae82a03c29d5a0916c685;p=openwrt-10.03%2F.git

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
index dd481d9eb..1698db914 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb750.c
@@ -8,14 +8,113 @@
  *  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 "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",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &rb750_leds_data,
+	}
+};
+
+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);
+
 	ap91_eth_init(NULL);
+	platform_device_register(&rb750_leds_device);
 }
 
 MIPS_MACHINE(AR71XX_MACH_RB_750, "750i", "MikroTik RouterBOARD 750",