nios2: add gpio support to nios2-generic board
This patch adds gpio support of Altera PIO component to the
nios2-generic board. Though it drives only gpio_led at the
moment, it supports bidirectional port to control bit-banging
I2C, NAND flash busy status or button switches, etc.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Tested-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
diff --git a/include/configs/nios2-generic.h b/include/configs/nios2-generic.h
index e83e1e3..e4bf57b 100644
--- a/include/configs/nios2-generic.h
+++ b/include/configs/nios2-generic.h
@@ -63,10 +63,10 @@
* STATUS LED
*/
#define CONFIG_STATUS_LED /* Enable status driver */
-#define CONFIG_EPLED /* Enable LED PIO driver */
-#define CONFIG_SYS_LEDPIO_ADDR LED_PIO_BASE
+#define CONFIG_GPIO_LED /* Enable GPIO LED driver */
+#define CONFIG_GPIO /* Enable GPIO driver */
-#define STATUS_LED_BIT 1 /* Bit-0 on PIO */
+#define STATUS_LED_BIT 0 /* Bit-0 on GPIO */
#define STATUS_LED_STATE 1 /* Blinking */
#define STATUS_LED_PERIOD (500 / CONFIG_SYS_NIOS_TMRMS) /* 500 msec */