From: Gabor Juhos <juhosg@openwrt.org>
Date: Mon, 14 Nov 2011 17:43:13 +0000 (+0000)
Subject: ar71xx: fix GPIO function handling on AR934x
X-Git-Tag: reboot~15508
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0c1d3617d7d9457f3a160b3238360f26fb5c872e;p=openwrt%2Fstaging%2Fchunkeey.git

ar71xx: fix GPIO function handling on AR934x

SVN-Revision: 29124
---

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
index abd7747267..2ab5dbcf1e 100644
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c
@@ -141,13 +141,21 @@ void ar71xx_gpio_function_enable(u32 mask)
 {
 	void __iomem *base = ar71xx_gpio_base;
 	unsigned long flags;
+	unsigned int reg;
+
+	if (ar71xx_soc == AR71XX_SOC_AR9341 ||
+	    ar71xx_soc == AR71XX_SOC_AR9342 ||
+	    ar71xx_soc == AR71XX_SOC_AR9344) {
+		reg = AR934X_GPIO_REG_FUNC;
+	} else {
+		reg = AR71XX_GPIO_REG_FUNC;
+	}
 
 	spin_lock_irqsave(&ar71xx_gpio_lock, flags);
 
-	__raw_writel(__raw_readl(base + AR71XX_GPIO_REG_FUNC) | mask,
-		     base + AR71XX_GPIO_REG_FUNC);
+	__raw_writel(__raw_readl(base + reg) | mask, base + reg);
 	/* flush write */
-	(void) __raw_readl(base + AR71XX_GPIO_REG_FUNC);
+	(void) __raw_readl(base + reg);
 
 	spin_unlock_irqrestore(&ar71xx_gpio_lock, flags);
 }
@@ -156,13 +164,21 @@ void ar71xx_gpio_function_disable(u32 mask)
 {
 	void __iomem *base = ar71xx_gpio_base;
 	unsigned long flags;
+	unsigned int reg;
+
+	if (ar71xx_soc == AR71XX_SOC_AR9341 ||
+	    ar71xx_soc == AR71XX_SOC_AR9342 ||
+	    ar71xx_soc == AR71XX_SOC_AR9344) {
+		reg = AR934X_GPIO_REG_FUNC;
+	} else {
+		reg = AR71XX_GPIO_REG_FUNC;
+	}
 
 	spin_lock_irqsave(&ar71xx_gpio_lock, flags);
 
-	__raw_writel(__raw_readl(base + AR71XX_GPIO_REG_FUNC) & ~mask,
-		     base + AR71XX_GPIO_REG_FUNC);
+	__raw_writel(__raw_readl(base + reg) & ~mask, base + reg);
 	/* flush write */
-	(void) __raw_readl(base + AR71XX_GPIO_REG_FUNC);
+	(void) __raw_readl(base + reg);
 
 	spin_unlock_irqrestore(&ar71xx_gpio_lock, flags);
 }
@@ -171,13 +187,21 @@ void ar71xx_gpio_function_setup(u32 set, u32 clear)
 {
 	void __iomem *base = ar71xx_gpio_base;
 	unsigned long flags;
+	unsigned int reg;
+
+	if (ar71xx_soc == AR71XX_SOC_AR9341 ||
+	    ar71xx_soc == AR71XX_SOC_AR9342 ||
+	    ar71xx_soc == AR71XX_SOC_AR9344) {
+		reg = AR934X_GPIO_REG_FUNC;
+	} else {
+		reg = AR71XX_GPIO_REG_FUNC;
+	}
 
 	spin_lock_irqsave(&ar71xx_gpio_lock, flags);
 
-	__raw_writel((__raw_readl(base + AR71XX_GPIO_REG_FUNC) & ~clear) | set,
-		     base + AR71XX_GPIO_REG_FUNC);
+	__raw_writel((__raw_readl(base + reg) & ~clear) | set, base + reg);
 	/* flush write */
-	(void) __raw_readl(base + AR71XX_GPIO_REG_FUNC);
+	(void) __raw_readl(base + reg);
 
 	spin_unlock_irqrestore(&ar71xx_gpio_lock, flags);
 }
diff --git a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
index a83b0460b0..46057b3379 100644
--- a/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
+++ b/target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
@@ -430,6 +430,8 @@ static inline u32 ar71xx_usb_ctrl_rr(unsigned reg)
 #define AR71XX_GPIO_REG_INT_ENABLE	0x24
 #define AR71XX_GPIO_REG_FUNC		0x28
 
+#define AR934X_GPIO_REG_FUNC		0x6c
+
 #define AR71XX_GPIO_FUNC_STEREO_EN	BIT(17)
 #define AR71XX_GPIO_FUNC_SLIC_EN	BIT(16)
 #define AR71XX_GPIO_FUNC_SPI_CS2_EN	BIT(13)