From: Fabio Estevam <fabioestevam@yahoo.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mx51evk: Provide a proper reset for the Ethernet PHY
Date: Thu, 19 Aug 2010 10:28:56 -0700 (PDT) [thread overview]
Message-ID: <97111.4004.qm@web51008.mail.re2.yahoo.com> (raw)
Provide a proper reset for the Ethernet PHY (LAN8700) on the MX51EVK.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
board/freescale/mx51evk/mx51evk.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c
index 75d642b..70cce55 100644
--- a/board/freescale/mx51evk/mx51evk.c
+++ b/board/freescale/mx51evk/mx51evk.c
@@ -261,6 +261,10 @@ static void power_init(void)
/* Reset the ethernet controller over GPIO */
writel(0x1, IOMUXC_BASE_ADDR + 0x0AC);
+ udelay(200);
+ reg = readl(GPIO2_BASE_ADDR + 0x0);
+ reg |= 0x4000; /* Set reset line to high*/
+ writel(reg, GPIO2_BASE_ADDR + 0x0);
/* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
--
1.6.0.4
next reply other threads:[~2010-08-19 17:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-19 17:28 Fabio Estevam [this message]
2010-08-20 8:31 ` [U-Boot] [PATCH] mx51evk: Provide a proper reset for the Ethernet PHY Stefano Babic
2010-08-20 14:26 ` Fabio Estevam
2010-08-20 14:39 ` Stefano Babic
2010-08-20 15:33 ` Fabio Estevam
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