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authorGabor Juhos <juhosg@openwrt.org>2012-11-25 16:23:04 +0000
committerGabor Juhos <juhosg@openwrt.org>2012-11-25 16:23:04 +0000
commitb3644dec6bb7038c59255956b6c3eb40a5ab6495 (patch)
tree7c9717c3cf0290280017d24c844fc9df433948e0 /target
parentc3a588fc7ac9e2f05544470f401fa8e43a1fa254 (diff)
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AA: generic: ar8216: set delay values for SGMII mode on AR8327
Backport of r34315. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@34373 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target')
-rw-r--r--target/linux/generic/files/drivers/net/phy/ar8216.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/linux/generic/files/drivers/net/phy/ar8216.c b/target/linux/generic/files/drivers/net/phy/ar8216.c
index 8f3aded48f..9cbe3a838c 100644
--- a/target/linux/generic/files/drivers/net/phy/ar8216.c
+++ b/target/linux/generic/files/drivers/net/phy/ar8216.c
@@ -903,6 +903,20 @@ ar8327_get_pad_cfg(struct ar8327_pad_cfg *cfg)
case AR8327_PAD_MAC_SGMII:
t = AR8327_PAD_SGMII_EN;
+
+ /*
+ * WAR for the QUalcomm Atheros AP136 board.
+ * It seems that RGMII TX/RX delay settings needs to be
+ * applied for SGMII mode as well, The ethernet is not
+ * reliable without this.
+ */
+ t |= cfg->txclk_delay_sel << AR8327_PAD_RGMII_TXCLK_DELAY_SEL_S;
+ t |= cfg->rxclk_delay_sel << AR8327_PAD_RGMII_RXCLK_DELAY_SEL_S;
+ if (cfg->rxclk_delay_en)
+ t |= AR8327_PAD_RGMII_RXCLK_DELAY_EN;
+ if (cfg->txclk_delay_en)
+ t |= AR8327_PAD_RGMII_TXCLK_DELAY_EN;
+
break;
case AR8327_PAD_MAC2PHY_MII: