diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch b/target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch deleted file mode 100644 index e381dda7cc..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 9507f517ac4080627515c31c937f45a4a58ccbe4 Mon Sep 17 00:00:00 2001 -From: Alex Marginean <alexandru.marginean@nxp.com> -Date: Fri, 14 Feb 2020 17:28:26 +0000 -Subject: [PATCH] LF-924: net/enetc: Set MAC Rx FIFO to recommended value - -On LS1028A the MAC Rx FIFO defaults to value 2, which is too high and may -lead to Rx lock-up under traffic. Set it to 1 instead, as recommended by -the hardware team. - -Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com> -Reviewed-by: Claudiu Manoil <claudiu.manoil@nxp.com> -Acked-by: Jason Liu <jason.hui.liu@nxp.com> ---- - drivers/net/ethernet/freescale/enetc/enetc_hw.h | 2 ++ - drivers/net/ethernet/freescale/enetc/enetc_pf.c | 6 ++++++ - 2 files changed, 8 insertions(+) - ---- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h -+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h -@@ -226,6 +226,8 @@ enum enetc_bdr_type {TX, RX}; - #define ENETC_PM0_MAXFRM 0x8014 - #define ENETC_SET_TX_MTU(val) ((val) << 16) - #define ENETC_SET_MAXFRM(val) ((val) & 0xffff) -+#define ENETC_PM0_RX_FIFO 0x801c -+#define ENETC_PM0_RX_FIFO_VAL 1 - - #define ENETC_PM_IMDIO_BASE 0x8030 - /* PCS registers */ ---- a/drivers/net/ethernet/freescale/enetc/enetc_pf.c -+++ b/drivers/net/ethernet/freescale/enetc/enetc_pf.c -@@ -536,6 +536,12 @@ static void enetc_configure_port_mac(str - enetc_port_wr(hw, ENETC_PM0_IF_MODE, ENETC_PM0_IFM_XGMII); - enetc_port_wr(hw, ENETC_PM1_IF_MODE, ENETC_PM0_IFM_XGMII); - } -+ -+ /* on LS1028A the MAC Rx FIFO defaults to value 2, which is too high and -+ * may lead to Rx lock-up under traffic. Set it to 1 instead, as -+ * recommended by the hardware team. -+ */ -+ enetc_port_wr(hw, ENETC_PM0_RX_FIFO, ENETC_PM0_RX_FIFO_VAL); - } - - static void enetc_configure_port_pmac(struct enetc_hw *hw) |