[U-Boot] [PATCH 1/2] nios2: add gpio_request

Thomas Chou
2010-06-09T01:51:09Z

This will be used by nand_plat.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
---
arch/nios2/include/asm/gpio.h | 6 ++++++
board/altera/nios2-generic/gpio.c | 5 +++++
2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/nios2/include/asm/gpio.h b/arch/nios2/include/asm/gpio.h
index 76c425e..cff1dd9 100644
--- a/arch/nios2/include/asm/gpio.h
+++ b/arch/nios2/include/asm/gpio.h
@@ -21,6 +21,11 @@
#ifdef CONFIG_SYS_GPIO_BASE
#include <asm/io.h>

+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
static inline int gpio_direction_input(unsigned gpio)
{
writel(1, CONFIG_SYS_GPIO_BASE + (gpio << 2));
@@ -43,6 +48,7 @@ static inline void gpio_set_value(unsigned gpio, int value)
writel(value ? 3 : 2, CONFIG_SYS_GPIO_BASE + (gpio << 2));
}
#else
+extern int gpio_request(unsigned gpio, const char *label);
extern int gpio_direction_input(unsigned gpio);
extern int gpio_direction_output(unsigned gpio, int value);
extern int gpio_get_value(unsigned gpio);
diff --git a/board/altera/nios2-generic/gpio.c b/board/altera/nios2-generic/gpio.c
index 6c9c6c2..d449684 100644
--- a/board/altera/nios2-generic/gpio.c
+++ b/board/altera/nios2-generic/gpio.c
@@ -15,6 +15,11 @@
static u32 pio_data_reg;
static u32 pio_dir_reg;

+int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
int gpio_direction_input(unsigned gpio)
{
u32 mask = 1 << gpio;
--
1.7.1.86.g0e460