[U-Boot] [PATCH 1/2] board: ge: bx50v3: fix AR8033 reset timing issue
ken <Ken Lin>
yungching0725 at gmail.com
Wed Feb 1 19:59:09 UTC 2017
Add the delay (10ms) to ensure the clock is stable and to meet the clock-to-reset(1ms) requirement recommended in the AR8033 datasheet
---
board/ge/bx50v3/bx50v3.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/board/ge/bx50v3/bx50v3.c b/board/ge/bx50v3/bx50v3.c
index 2fc1144..80b4ba1 100644
--- a/board/ge/bx50v3/bx50v3.c
+++ b/board/ge/bx50v3/bx50v3.c
@@ -103,8 +103,9 @@ static void setup_iomux_enet(void)
/* Reset AR8033 PHY */
gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
- udelay(500);
+ mdelay(10);
gpio_set_value(IMX_GPIO_NR(1, 28), 1);
+ mdelay(1);
}
static iomux_v3_cfg_t const usdhc2_pads[] = {
--
2.10.2
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