From patchwork Thu Aug 19 17:28:56 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot] mx51evk: Provide a proper reset for the Ethernet PHY Date: Thu, 19 Aug 2010 07:28:56 -0000 From: Fabio Estevam X-Patchwork-Id: 71825 Message-Id: <97111.4004.qm@web51008.mail.re2.yahoo.com> To: u-boot@lists.denx.de Cc: fabio.estevam@freescale.com Provide a proper reset for the Ethernet PHY (LAN8700) on the MX51EVK. Signed-off-by: Fabio Estevam --- 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 |