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ar71xx: add preliminary support for 3.3

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30410 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-02-10 11:53:56 +00:00
parent d2514fe7ac
commit 33ec8951f8
97 changed files with 9049 additions and 0 deletions
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47
target/linux/ar71xx/patches-3.3/505-MIPS-ath79-add-ath79_gpio_function_select.patch Normal file
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@@ -0,0 +1,47 @@
--- a/arch/mips/ath79/common.h
+++ b/arch/mips/ath79/common.h
@@ -26,6 +26,7 @@ void ath79_ddr_wb_flush(unsigned int reg
void ath79_gpio_function_enable(u32 mask);
void ath79_gpio_function_disable(u32 mask);
void ath79_gpio_function_setup(u32 set, u32 clear);
+void ath79_gpio_output_select(unsigned gpio, u8 val);
void ath79_gpio_init(void);
#endif /* __ATH79_COMMON_H */
--- a/arch/mips/ath79/gpio.c
+++ b/arch/mips/ath79/gpio.c
@@ -184,6 +184,34 @@ void ath79_gpio_function_setup(u32 set,
spin_unlock_irqrestore(&ath79_gpio_lock, flags);
}
+void __init ath79_gpio_output_select(unsigned gpio, u8 val)
+{
+ void __iomem *base = ath79_gpio_base;
+ unsigned long flags;
+ unsigned int reg;
+ u32 t, s;
+
+ BUG_ON(!soc_is_ar934x());
+
+ if (gpio >= AR934X_GPIO_COUNT)
+ return;
+
+ reg = AR934X_GPIO_REG_OUT_FUNC0 + 4 * (gpio / 4);
+ s = 8 * (gpio % 4);
+
+ spin_lock_irqsave(&ath79_gpio_lock, flags);
+
+ t = __raw_readl(base + reg);
+ t &= ~(0xff << s);
+ t |= val << s;
+ __raw_writel(t, base + reg);
+
+ /* flush write */
+ (void) __raw_readl(base + reg);
+
+ spin_unlock_irqrestore(&ath79_gpio_lock, flags);
+}
+
void __init ath79_gpio_init(void)
{
int err;