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authorGabor Juhos <juhosg@openwrt.org>2014-02-20 17:07:56 +0000
committerGabor Juhos <juhosg@openwrt.org>2014-02-20 17:07:56 +0000
commit478a60160132d47a736535e18203386cab73016a (patch)
tree6385a78ff013a1e149b47452d152488745365284 /target/linux
parentf2ee489058302c129c4e95991d5bb84d0c27159e (diff)
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ar71xx: rb91x: fix pll_1000 value for eth0 to avoid packet loss
When the RB91x device uses a GbE link the connection suffers from packet loss: root@OpenWrt:/# ping 192.168.1.254 -s 65507 -c 20 -q PING 192.168.1.254 (192.168.1.254): 65507 data bytes --- 192.168.1.254 ping statistics --- 20 packets transmitted, 9 packets received, 55% packet loss round-trip min/avg/max = 4.570/4.815/4.999 ms Using a different PLL value fixes the issue. root@OpenWrt:/# ping 192.168.1.254 -s 65507 -c 100 -q PING 192.168.1.254 (192.168.1.254): 65507 data bytes --- 192.168.1.254 ping statistics --- 100 packets transmitted, 100 packets received, 0% packet loss round-trip min/avg/max = 4.449/5.413/13.870 ms Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@39642 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c
index 65d9ee5b9d..3cbffed291 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb91x.c
@@ -156,6 +156,7 @@ static void __init rb711gr100_setup(void)
ath79_init_mac(ath79_eth0_data.mac_addr, ath79_mac_base, 0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(0);
+ ath79_eth0_pll_data.pll_1000 = 0x02000000;
ath79_register_eth(0);