[U-Boot] [U-boot] [Patch 4/5] net: keystone_net: increase MDIO clock frequency
Ivan Khoronzhuk
ivan.khoronzhuk at ti.com
Mon Sep 22 14:44:25 CEST 2014
From: Vitaly Andrianov <vitalya at 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 at ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk at ti.com>
---
arch/arm/include/asm/ti-common/keystone_net.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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
--
1.8.3.2
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