diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-4.4/030-gpio_line_config.patch')
| -rw-r--r-- | target/linux/ixp4xx/patches-4.4/030-gpio_line_config.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-4.4/030-gpio_line_config.patch b/target/linux/ixp4xx/patches-4.4/030-gpio_line_config.patch new file mode 100644 index 0000000..0e51793 --- /dev/null +++ b/target/linux/ixp4xx/patches-4.4/030-gpio_line_config.patch @@ -0,0 +1,73 @@ +--- a/arch/arm/mach-ixp4xx/common.c ++++ b/arch/arm/mach-ixp4xx/common.c +@@ -93,22 +93,7 @@ void __init ixp4xx_map_io(void) + /* + * GPIO-functions + */ +-/* +- * The following converted to the real HW bits the gpio_line_config +- */ +-/* GPIO pin types */ +-#define IXP4XX_GPIO_OUT 0x1 +-#define IXP4XX_GPIO_IN 0x2 +- +-/* GPIO signal types */ +-#define IXP4XX_GPIO_LOW 0 +-#define IXP4XX_GPIO_HIGH 1 +- +-/* GPIO Clocks */ +-#define IXP4XX_GPIO_CLK_0 14 +-#define IXP4XX_GPIO_CLK_1 15 +- +-static void gpio_line_config(u8 line, u32 direction) ++void gpio_line_config(u8 line, u32 direction) + { + if (direction == IXP4XX_GPIO_IN) + *IXP4XX_GPIO_GPOER |= (1 << line); +@@ -116,17 +101,17 @@ static void gpio_line_config(u8 line, u3 + *IXP4XX_GPIO_GPOER &= ~(1 << line); + } + +-static void gpio_line_get(u8 line, int *value) ++void gpio_line_get(u8 line, int *value) + { + *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1; + } + +-static void gpio_line_set(u8 line, int value) ++void gpio_line_set(u8 line, int value) + { +- if (value == IXP4XX_GPIO_HIGH) +- *IXP4XX_GPIO_GPOUTR |= (1 << line); +- else if (value == IXP4XX_GPIO_LOW) ++ if (value == IXP4XX_GPIO_LOW) + *IXP4XX_GPIO_GPOUTR &= ~(1 << line); ++ else ++ *IXP4XX_GPIO_GPOUTR |= (1 << line); + } + + /************************************************************************* +--- a/arch/arm/mach-ixp4xx/include/mach/platform.h ++++ b/arch/arm/mach-ixp4xx/include/mach/platform.h +@@ -131,5 +131,21 @@ struct pci_sys_data; + extern int ixp4xx_setup(int nr, struct pci_sys_data *sys); + extern struct pci_ops ixp4xx_ops; + ++/* GPIO pin types */ ++#define IXP4XX_GPIO_OUT 0x1 ++#define IXP4XX_GPIO_IN 0x2 ++ ++/* GPIO signal types */ ++#define IXP4XX_GPIO_LOW 0 ++#define IXP4XX_GPIO_HIGH 1 ++ ++/* GPIO Clocks */ ++#define IXP4XX_GPIO_CLK_0 14 ++#define IXP4XX_GPIO_CLK_1 15 ++ ++void gpio_line_config(u8 line, u32 direction); ++void gpio_line_get(u8 line, int *value); ++void gpio_line_set(u8 line, int value); ++ + #endif // __ASSEMBLY__ + |