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[U-Boot,U-boot,4/5] net: keystone_net: increase MDIO clock frequency

Message ID 1411389866-8493-5-git-send-email-ivan.khoronzhuk@ti.com
State Superseded
Delegated to: Tom Rini
Headers show

Commit Message

Ivan Khoronzhuk Sept. 22, 2014, 12:44 p.m. UTC 
From: Vitaly Andrianov <vitalya@ti.com>

With MAC_PHY sgmii configuration, u-boot checks PHY link status before
sending each packet. Increasing MDIO frequency increases overall tftp
speed. We set it to maximum 2.5MHz.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
---
 arch/arm/include/asm/ti-common/keystone_net.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm/include/asm/ti-common/keystone_net.h b/arch/arm/include/asm/ti-common/keystone_net.h
index 7769d7b..e56759d 100644
--- a/arch/arm/include/asm/ti-common/keystone_net.h
+++ b/arch/arm/include/asm/ti-common/keystone_net.h
@@ -51,7 +51,7 @@ 
 /* MDIO module input frequency */
 #define EMAC_MDIO_BUS_FREQ		(clk_get_rate(pass_pll_clk))
 /* MDIO clock output frequency */
-#define EMAC_MDIO_CLOCK_FREQ		1000000                /* 1.0 MHz */
+#define EMAC_MDIO_CLOCK_FREQ		2500000	/* 2.5 MHz */
 
 /* MII Status Register */
 #define MII_STATUS_REG			1