diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2011-11-14 17:43:13 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2011-11-14 17:43:13 +0000 |
| commit | 0c1d3617d7d9457f3a160b3238360f26fb5c872e (patch) | |
| tree | 2b6bbf5d9010b140da121a145c8858dee1a90139 | |
| parent | aa0c8c4885dc6a5bc4650c55673000d862bf2612 (diff) | |
| download | upstream-0c1d3617d7d9457f3a160b3238360f26fb5c872e.tar.gz upstream-0c1d3617d7d9457f3a160b3238360f26fb5c872e.tar.bz2 upstream-0c1d3617d7d9457f3a160b3238360f26fb5c872e.zip | |
ar71xx: fix GPIO function handling on AR934x
SVN-Revision: 29124
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c | 42 | ||||
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h | 2 |
2 files changed, 35 insertions, 9 deletions
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) |