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| author | Thomas Chou <thomas@wytron.com.tw> | 2010-04-30 11:34:15 +0800 |
|---|---|---|
| committer | Scott McNutt <smcnutt@psyent.com> | 2010-05-28 10:56:03 -0400 |
| commit | 1e8e9bad2db38e93c3bc9f4b6238b3d8be99e469 (patch) | |
| tree | 2dfdb65f3c2fd1bfdfa7f5b5d585396d9c98123b /include | |
| parent | 3e6b86b5552840bb4147871a753840eb3923374c (diff) | |
| download | u-boot-imx-1e8e9bad2db38e93c3bc9f4b6238b3d8be99e469.zip u-boot-imx-1e8e9bad2db38e93c3bc9f4b6238b3d8be99e469.tar.gz u-boot-imx-1e8e9bad2db38e93c3bc9f4b6238b3d8be99e469.tar.bz2 | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/nios2-generic.h | 6 |
1 files changed, 3 insertions, 3 deletions
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 */ |