[U-Boot] [PATCH 4/5] imx6: tqma6: adjust ethernet phy reset delay

Markus Niebel niebelm at tqsc.de
Fri Feb 3 15:25:01 UTC 2017


From: Markus Niebel <Markus.Niebel at tq-group.com>

fix the reset delay which was to short

Signed-off-by: Markus Niebel <Markus.Niebel at tq-group.com>
---
 board/tqc/tqma6/tqma6_mba6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/board/tqc/tqma6/tqma6_mba6.c b/board/tqc/tqma6/tqma6_mba6.c
index 02705be..6d63953 100644
--- a/board/tqc/tqma6/tqma6_mba6.c
+++ b/board/tqc/tqma6/tqma6_mba6.c
@@ -125,7 +125,7 @@ static void mba6_setup_iomuxc_enet(void)
 	/* Reset PHY */
 	gpio_direction_output(ENET_PHY_RESET_GPIO , 0);
 	/* Need delay 10ms after power on according to KSZ9031 spec */
-	udelay(1000 * 10);
+	mdelay(10);
 	gpio_set_value(ENET_PHY_RESET_GPIO, 1);
 	/*
 	 * KSZ9031 manual: 100 usec wait time after reset before communication
@@ -133,7 +133,7 @@ static void mba6_setup_iomuxc_enet(void)
 	 * BUGBUG: hardware has an RC const that needs > 10 msec from 0->1 on
 	 * reset before the phy sees a high level
 	 */
-	udelay(200);
+	mdelay(15);
 }
 
 static iomux_v3_cfg_t const mba6_uart2_pads[] = {
-- 
1.9.1



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