Handle most LDSCRIPT setting centrally

[u-boot] / board / altera / nios2-generic / gpio.c

diff --git a/board/altera/nios2-generic/gpio.c b/board/altera/nios2-generic/gpio.c
index d4496843fa6d07c40e2d595c0507ebba3b8ea81d..4a30564358fd43206dbca8ff2fcd87a312fbb89e 100644 (file)
--- a/board/altera/nios2-generic/gpio.c
+++ b/board/altera/nios2-generic/gpio.c
@@ -10,6 +10,7 @@
 #ifndef CONFIG_SYS_GPIO_BASE
 
 #define ALTERA_PIO_BASE LED_PIO_BASE
+#define ALTERA_PIO_WIDTH LED_PIO_WIDTH
 #define ALTERA_PIO_DATA (ALTERA_PIO_BASE + 0)
 #define ALTERA_PIO_DIR (ALTERA_PIO_BASE + 4)
 static u32 pio_data_reg;
@@ -20,6 +21,11 @@ int gpio_request(unsigned gpio, const char *label)
        return 0;
 }
 
+int gpio_free(unsigned gpio)
+{
+       return 0;
+}
+
 int gpio_direction_input(unsigned gpio)
 {
        u32 mask = 1 << gpio;
@@ -57,4 +63,9 @@ void gpio_set_value(unsigned gpio, int value)
                pio_data_reg &= ~mask;
        writel(pio_data_reg, ALTERA_PIO_DATA);
 }
+
+int gpio_is_valid(int number)
+{
+       return ((unsigned)number) < ALTERA_PIO_WIDTH;
+}
 #endif