diff options
Diffstat (limited to 'target/linux/apm821xx/patches-4.14/030-0003-net-ibm-emac-support-RGMII-RX-TX-ID-phymode.patch')
| -rw-r--r-- | target/linux/apm821xx/patches-4.14/030-0003-net-ibm-emac-support-RGMII-RX-TX-ID-phymode.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/apm821xx/patches-4.14/030-0003-net-ibm-emac-support-RGMII-RX-TX-ID-phymode.patch b/target/linux/apm821xx/patches-4.14/030-0003-net-ibm-emac-support-RGMII-RX-TX-ID-phymode.patch new file mode 100644 index 0000000000..16074c7ee6 --- /dev/null +++ b/target/linux/apm821xx/patches-4.14/030-0003-net-ibm-emac-support-RGMII-RX-TX-ID-phymode.patch @@ -0,0 +1,59 @@ +From 0a49f0d1958440f7928047433c983eece05a3723 Mon Sep 17 00:00:00 2001 +From: Christian Lamparter <chunkeey@gmail.com> +Date: Thu, 14 Dec 2017 19:51:50 +0100 +Subject: [PATCH 3/3] net: ibm: emac: support RGMII-[RX|TX]ID phymode + +The RGMII spec allows compliance for devices that implement an internal +delay on TXC and/or RXC inside the transmitter. This patch adds the +necessary RGMII_[RX|TX]ID mode code to handle such PHYs with the +emac driver. + +Signed-off-by: Christian Lamparter <chunkeey@gmail.com> + +--- +v3: - replace PHY_MODE_* with PHY_INTERFACE_MODE_* + - replace rgmii_mode_name() with phy_modes[] + +v2: - utilize phy_interface_mode_is_rgmii() +--- + drivers/net/ethernet/ibm/emac/core.c | 4 ++-- + drivers/net/ethernet/ibm/emac/rgmii.c | 7 +++++-- + 2 files changed, 7 insertions(+), 4 deletions(-) + +--- a/drivers/net/ethernet/ibm/emac/core.c ++++ b/drivers/net/ethernet/ibm/emac/core.c +@@ -199,8 +199,8 @@ static void __emac_set_multicast_list(st + + static inline int emac_phy_supports_gige(int phy_mode) + { +- return phy_mode == PHY_INTERFACE_MODE_GMII || +- phy_mode == PHY_INTERFACE_MODE_RGMII || ++ return phy_interface_mode_is_rgmii(phy_mode) || ++ phy_mode == PHY_INTERFACE_MODE_GMII || + phy_mode == PHY_INTERFACE_MODE_SGMII || + phy_mode == PHY_INTERFACE_MODE_TBI || + phy_mode == PHY_INTERFACE_MODE_RTBI; +--- a/drivers/net/ethernet/ibm/emac/rgmii.c ++++ b/drivers/net/ethernet/ibm/emac/rgmii.c +@@ -52,9 +52,9 @@ + /* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */ + static inline int rgmii_valid_mode(int phy_mode) + { +- return phy_mode == PHY_INTERFACE_MODE_GMII || ++ return phy_interface_mode_is_rgmii(phy_mode) || ++ phy_mode == PHY_INTERFACE_MODE_GMII || + phy_mode == PHY_INTERFACE_MODE_MII || +- phy_mode == PHY_INTERFACE_MODE_RGMII || + phy_mode == PHY_INTERFACE_MODE_TBI || + phy_mode == PHY_INTERFACE_MODE_RTBI; + } +@@ -63,6 +63,9 @@ static inline u32 rgmii_mode_mask(int mo + { + switch (mode) { + case PHY_INTERFACE_MODE_RGMII: ++ case PHY_INTERFACE_MODE_RGMII_ID: ++ case PHY_INTERFACE_MODE_RGMII_RXID: ++ case PHY_INTERFACE_MODE_RGMII_TXID: + return RGMII_FER_RGMII(input); + case PHY_INTERFACE_MODE_TBI: + return RGMII_FER_TBI(input); |