diff options
Diffstat (limited to 'arch/mips/include/asm/mach-au1x00/gpio-au1000.h')
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/gpio-au1000.h | 51 |
1 files changed, 12 insertions, 39 deletions
diff --git a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h index 1f41a522906..796afd051c3 100644 --- a/arch/mips/include/asm/mach-au1x00/gpio-au1000.h +++ b/arch/mips/include/asm/mach-au1x00/gpio-au1000.h @@ -12,14 +12,14 @@ #include <asm/mach-au1x00/au1000.h> /* The default GPIO numberspace as documented in the Alchemy manuals. - * GPIO0-31 from GPIO1 block, GPIO200-215 from GPIO2 block. + * GPIO0-31 from GPIO1 block, GPIO200-215 from GPIO2 block. */ #define ALCHEMY_GPIO1_BASE 0 #define ALCHEMY_GPIO2_BASE 200 #define ALCHEMY_GPIO1_NUM 32 #define ALCHEMY_GPIO2_NUM 16 -#define ALCHEMY_GPIO1_MAX (ALCHEMY_GPIO1_BASE + ALCHEMY_GPIO1_NUM - 1) +#define ALCHEMY_GPIO1_MAX (ALCHEMY_GPIO1_BASE + ALCHEMY_GPIO1_NUM - 1) #define ALCHEMY_GPIO2_MAX (ALCHEMY_GPIO2_BASE + ALCHEMY_GPIO2_NUM - 1) #define MAKE_IRQ(intc, off) (AU1000_INTC##intc##_INT_BASE + (off)) @@ -67,7 +67,7 @@ static inline int au1500_gpio1_to_irq(int gpio) switch (gpio) { case 0 ... 15: case 20: - case 23 ... 28: return MAKE_IRQ(1, gpio); + case 23 ... 28: return MAKE_IRQ(1, gpio); } return -ENXIO; @@ -139,8 +139,8 @@ static inline int au1550_gpio1_to_irq(int gpio) switch (gpio) { case 0 ... 15: - case 20 ... 28: return MAKE_IRQ(1, gpio); - case 16 ... 17: return MAKE_IRQ(1, 18 + gpio - 16); + case 20 ... 28: return MAKE_IRQ(1, gpio); + case 16 ... 17: return MAKE_IRQ(1, 18 + gpio - 16); } return -ENXIO; @@ -152,9 +152,9 @@ static inline int au1550_gpio2_to_irq(int gpio) switch (gpio) { case 0: return MAKE_IRQ(1, 16); - case 1 ... 5: return MAKE_IRQ(1, 17); /* shared GPIO201_205 */ + case 1 ... 5: return MAKE_IRQ(1, 17); /* shared GPIO201_205 */ case 6 ... 7: return MAKE_IRQ(1, 29 + gpio - 6); - case 8 ... 15: return MAKE_IRQ(1, 31); /* shared GPIO208_215 */ + case 8 ... 15: return MAKE_IRQ(1, 31); /* shared GPIO208_215 */ } return -ENXIO; @@ -190,7 +190,7 @@ static inline int au1200_gpio2_to_irq(int gpio) case 0 ... 2: return MAKE_IRQ(0, 5 + gpio - 0); case 3: return MAKE_IRQ(0, 22); case 4 ... 7: return MAKE_IRQ(0, 24 + gpio - 4); - case 8 ... 15: return MAKE_IRQ(0, 28); /* shared GPIO208_215 */ + case 8 ... 15: return MAKE_IRQ(0, 28); /* shared GPIO208_215 */ } return -ENXIO; @@ -347,17 +347,6 @@ static inline int alchemy_gpio2_to_irq(int gpio) /**********************************************************************/ -/* On Au1000, Au1500 and Au1100 GPIOs won't work as inputs before - * SYS_PININPUTEN is written to at least once. On Au1550/Au1200 this - * register enables use of GPIOs as wake source. - */ -static inline void alchemy_gpio1_input_enable(void) -{ - void __iomem *base = (void __iomem *)KSEG1ADDR(AU1000_SYS_PHYS_ADDR); - __raw_writel(0, base + SYS_PININPUTEN); /* the write op is key */ - wmb(); -} - /* GPIO2 shared interrupts and control */ static inline void __alchemy_gpio2_mod_int(int gpio2, int en) @@ -439,7 +428,7 @@ static inline void alchemy_gpio2_disable_int(int gpio2) /** * alchemy_gpio2_enable - Activate GPIO2 block. * - * The GPIO2 block must be enabled excplicitly to work. On systems + * The GPIO2 block must be enabled excplicitly to work. On systems * where this isn't done by the bootloader, this macro can be used. */ static inline void alchemy_gpio2_enable(void) @@ -544,7 +533,7 @@ static inline int alchemy_irq_to_gpio(int irq) * 2 (1 for Au1000) gpio_chips are registered. * *(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y: - * the boards' gpio.h must provide the linux gpio wrapper functions, + * the boards' gpio.h must provide the linux gpio wrapper functions, * *(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n: * inlinable gpio functions are provided which enable access to the @@ -561,6 +550,7 @@ static inline int alchemy_irq_to_gpio(int irq) #ifndef CONFIG_GPIOLIB +#ifdef CONFIG_ALCHEMY_GPIOINT_AU1000 #ifndef CONFIG_ALCHEMY_GPIO_INDIRECT /* case (4) */ @@ -665,24 +655,7 @@ static inline void gpio_unexport(unsigned gpio) #endif /* !CONFIG_ALCHEMY_GPIO_INDIRECT */ - -#else /* CONFIG GPIOLIB */ - - - /* using gpiolib to provide up to 2 gpio_chips for on-chip gpios */ -#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT /* case (2) */ - -/* get everything through gpiolib */ -#define gpio_to_irq __gpio_to_irq -#define gpio_get_value __gpio_get_value -#define gpio_set_value __gpio_set_value -#define gpio_cansleep __gpio_cansleep -#define irq_to_gpio alchemy_irq_to_gpio - -#include <asm-generic/gpio.h> - -#endif /* !CONFIG_ALCHEMY_GPIO_INDIRECT */ - +#endif /* CONFIG_ALCHEMY_GPIOINT_AU1000 */ #endif /* !CONFIG_GPIOLIB */ |