summaryrefslogtreecommitdiff
path: root/target
diff options
context:
space:
mode:
authorGabor Juhos <juhosg@openwrt.org>2011-11-14 17:43:13 +0000
committerGabor Juhos <juhosg@openwrt.org>2011-11-14 17:43:13 +0000
commit0c1d3617d7d9457f3a160b3238360f26fb5c872e (patch)
tree2b6bbf5d9010b140da121a145c8858dee1a90139 /target
parentaa0c8c4885dc6a5bc4650c55673000d862bf2612 (diff)
downloadmtk-20170518-0c1d3617d7d9457f3a160b3238360f26fb5c872e.zip
mtk-20170518-0c1d3617d7d9457f3a160b3238360f26fb5c872e.tar.gz
mtk-20170518-0c1d3617d7d9457f3a160b3238360f26fb5c872e.tar.bz2
ar71xx: fix GPIO function handling on AR934x
SVN-Revision: 29124
Diffstat (limited to 'target')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ar71xx/gpio.c42
-rw-r--r--target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h2
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 abd7747..2ab5dbc 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 a83b046..46057b3 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)