From: Rajashekhara, Sudhakar <sudhakar.raj@ti.com>
Date: Thu, 7 Jun 2012 00:27:44 +0000 (+0000)
Subject: da850/omap-l138: Enable auto negotiation in RMII mode
X-Git-Tag: v2012.07-rc1~11^2~75
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b78375a806ed04eb22b963255cfdef8df702de47;p=kernel%2Fu-boot.git

da850/omap-l138: Enable auto negotiation in RMII mode

On DA850/OMAP-L138 it was observed that in RMII mode,
auto negotiation was not performed. This patch enables
auto negotiation in RMII mode. Without this patch, EMAC
initialization takes more time and sometimes tftp fails
in RMII mode.

Signed-off-by: Rajashekhara, Sudhakar <sudhakar.raj@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Hadli, Manjunath <manjunath.hadli@ti.com>
---

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index e471d2c..b2516d1 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -895,5 +895,13 @@ int davinci_emac_initialize(void)
 		miiphy_register(phy[i].name, davinci_mii_phy_read,
 						davinci_mii_phy_write);
 	}
+
+#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \
+		defined(CONFIG_MACH_DAVINCI_DA850_EVM)
+	for (i = 0; i < num_phy; i++) {
+		if (phy[i].is_phy_connected(i))
+			phy[i].auto_negotiate(i);
+	}
+#endif
 	return(1);
 }