diff options
Diffstat (limited to 'target/linux/cns3xxx/patches-2.6.39/104-cns3xxx_gpio.patch')
| -rw-r--r-- | target/linux/cns3xxx/patches-2.6.39/104-cns3xxx_gpio.patch | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/target/linux/cns3xxx/patches-2.6.39/104-cns3xxx_gpio.patch b/target/linux/cns3xxx/patches-2.6.39/104-cns3xxx_gpio.patch deleted file mode 100644 index 15a9f36728..0000000000 --- a/target/linux/cns3xxx/patches-2.6.39/104-cns3xxx_gpio.patch +++ /dev/null @@ -1,142 +0,0 @@ ---- a/arch/arm/mach-cns3xxx/cns3420vb.c -+++ b/arch/arm/mach-cns3xxx/cns3420vb.c -@@ -191,7 +191,7 @@ static struct map_desc cns3420_io_desc[] - - static void __init cns3420_map_io(void) - { -- cns3xxx_map_io(); -+ cns3xxx_common_init(); - iotable_init(cns3420_io_desc, ARRAY_SIZE(cns3420_io_desc)); - - cns3420_early_serial_setup(); ---- a/arch/arm/mach-cns3xxx/core.c -+++ b/arch/arm/mach-cns3xxx/core.c -@@ -18,6 +18,7 @@ - #include <asm/hardware/cache-l2x0.h> - #include <asm/hardware/gic.h> - #include <asm/smp_twd.h> -+#include <asm/gpio.h> - #include <mach/cns3xxx.h> - #include "core.h" - -@@ -80,7 +81,89 @@ static struct map_desc cns3xxx_io_desc[] - }, - }; - --void __init cns3xxx_map_io(void) -+int gpio_to_irq(int gpio) -+{ -+ if (gpio > 63) -+ return -EINVAL; -+ -+ if (gpio < 32) -+ return IRQ_CNS3XXX_GPIOA; -+ else -+ return IRQ_CNS3XXX_GPIOB; -+} -+EXPORT_SYMBOL(gpio_to_irq); -+ -+int irq2gpio(int irq) -+{ -+ if (irq == IRQ_CNS3XXX_GPIOA) -+ return 0; -+ else if (irq == IRQ_CNS3XXX_GPIOB) -+ return 32; -+ else -+ return -EINVAL; -+} -+EXPORT_SYMBOL(irq2gpio); -+ -+static inline void gpio_line_config(u8 line, u32 direction) -+{ -+ u32 reg; -+ if (direction) { -+ if (line < 32) { -+ reg = __raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ reg |= (1 << line); -+ __raw_writel(reg, CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ } else { -+ reg = __raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ reg |= (1 << (line - 32)); -+ __raw_writel(reg, CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ } -+ } else { -+ if (line < 32) { -+ reg = __raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ reg &= ~(1 << line); -+ __raw_writel(reg, CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ } else { -+ reg = __raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ reg &= ~(1 << (line - 32)); -+ __raw_writel(reg, CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_DIR); -+ } -+ } -+} -+ -+static int cns3xxx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) -+{ -+ gpio_line_config(gpio, CNS3XXX_GPIO_IN); -+ return 0; -+} -+ -+static int cns3xxx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level) -+{ -+ gpio_line_set(gpio, level); -+ gpio_line_config(gpio, CNS3XXX_GPIO_OUT); -+ return 0; -+} -+ -+static int cns3xxx_gpio_get_value(struct gpio_chip *chip, unsigned gpio) -+{ -+ return gpio_get_value(gpio); -+} -+ -+static void cns3xxx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value) -+{ -+ gpio_set_value(gpio, value); -+} -+ -+static struct gpio_chip cns3xxx_gpio_chip = { -+ .label = "CNS3XXX_GPIO_CHIP", -+ .direction_input = cns3xxx_gpio_direction_input, -+ .direction_output = cns3xxx_gpio_direction_output, -+ .get = cns3xxx_gpio_get_value, -+ .set = cns3xxx_gpio_set_value, -+ .base = 0, -+ .ngpio = 64, -+}; -+ -+void __init cns3xxx_common_init(void) - { - iotable_init(cns3xxx_io_desc, ARRAY_SIZE(cns3xxx_io_desc)); - #ifdef CONFIG_CACHE_L2X0 -@@ -95,6 +178,7 @@ void __init cns3xxx_map_io(void) - #ifdef CONFIG_LOCAL_TIMERS - twd_base = (void __iomem *) CNS3XXX_TC11MP_TWD_BASE_VIRT; - #endif -+ gpiochip_add(&cns3xxx_gpio_chip); - } - - /* used by entry-macro.S */ ---- a/arch/arm/mach-cns3xxx/core.h -+++ b/arch/arm/mach-cns3xxx/core.h -@@ -13,7 +13,7 @@ - - extern struct sys_timer cns3xxx_timer; - --void __init cns3xxx_map_io(void); -+void __init cns3xxx_common_init(void); - void __init cns3xxx_init_irq(void); - void cns3xxx_power_off(void); - ---- a/arch/arm/mach-cns3xxx/laguna.c -+++ b/arch/arm/mach-cns3xxx/laguna.c -@@ -520,7 +520,7 @@ static struct map_desc laguna_io_desc[] - - static void __init laguna_map_io(void) - { -- cns3xxx_map_io(); -+ cns3xxx_common_init(); - iotable_init(laguna_io_desc, ARRAY_SIZE(laguna_io_desc)); - - laguna_early_serial_setup(); |