[OpenWrt-Devel] [PATCH 1/4] ar71xx: Remove TX/RX delay from pll_1000 for OM5P-AN

Sven Eckelmann sven at open-mesh.com
Wed Apr 15 11:25:19 EDT 2015


The tx/rx delay bits in the ETH_XMII_CONTROL register have to be unset when the
enable_rgmii_rx_delay/enable_rgmii_tx_delay will be set in the AT803x PHY.
Othwise the throughput in gigabit mode is heavily reduced.

Signed-off-by: Sven Eckelmann <sven at open-mesh.org>
---
 target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
index 272e410..298e80c 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-om5p.c
@@ -202,7 +202,7 @@ static void __init om5p_an_setup(void)
 	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 	ath79_eth0_data.phy_mask = BIT(7);
-	ath79_eth0_pll_data.pll_1000 = 0x1a000000;
+	ath79_eth0_pll_data.pll_1000 = 0x02000000;
 	ath79_eth0_pll_data.pll_100 = 0x00000101;
 	ath79_eth0_pll_data.pll_10 = 0x00001313;
 	ath79_register_eth(0);
-- 
2.1.4
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