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authorWolfgang Denk <wd@denx.de>2009-07-30 00:36:25 +0200
committerWolfgang Denk <wd@denx.de>2009-07-30 00:36:25 +0200
commit108f56b056780f0d23f720d98709304f84a0d6c8 (patch)
tree2a2eb0ab998cfdbf6275dcf282ab282056a14f30 /board/st/nhk8815
parent4c2e3da82dc2b7f8b39b7f1d57f570e4bc5caa6d (diff)
parentbb4291e62579dbc611e84eaaf973631e0bf129c7 (diff)
downloadu-boot-imx-108f56b056780f0d23f720d98709304f84a0d6c8.zip
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Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'board/st/nhk8815')
-rw-r--r--board/st/nhk8815/nhk8815.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/board/st/nhk8815/nhk8815.c b/board/st/nhk8815/nhk8815.c
index 085a5e0..1fa506a 100644
--- a/board/st/nhk8815/nhk8815.c
+++ b/board/st/nhk8815/nhk8815.c
@@ -27,6 +27,7 @@
#include <common.h>
#include <asm/io.h>
+#include <asm/arch/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -61,9 +62,20 @@ int board_init(void)
return 0;
}
-int misc_init_r(void)
+int board_late_init(void)
{
- setenv("verify", "n");
+ /* Set the two I2C gpio lines to be gpio high */
+ nmk_gpio_set(__SCL, 1); nmk_gpio_set(__SDA, 1);
+ nmk_gpio_dir(__SCL, 1); nmk_gpio_dir(__SDA, 1);
+ nmk_gpio_af(__SCL, GPIO_GPIO); nmk_gpio_af(__SDA, GPIO_GPIO);
+
+ /* Reset the I2C port expander, on GPIO77 */
+ nmk_gpio_af(77, GPIO_GPIO);
+ nmk_gpio_dir(77, 1);
+ nmk_gpio_set(77, 0);
+ udelay(10);
+ nmk_gpio_set(77, 1);
+
return 0;
}