diff options
author | Yangbo Lu <yangbo.lu@nxp.com> | 2020-04-10 10:47:05 +0800 |
---|---|---|
committer | Petr Štetiar <ynezz@true.cz> | 2020-05-07 12:53:06 +0200 |
commit | cddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch) | |
tree | 392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch | |
parent | d1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff) | |
download | upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.gz upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.tar.bz2 upstream-cddd4591404fb4c53dc0b3c0b15b942cdbed4356.zip |
layerscape: add patches-5.4
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release
which was tagged LSDK-20.04-V5.4.
https://source.codeaurora.org/external/qoriq/qoriq-components/linux/
For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in
LSDK, port the dts patches from 4.14.
The patches are sorted into the following categories:
301-arch-xxxx
302-dts-xxxx
303-core-xxxx
701-net-xxxx
801-audio-xxxx
802-can-xxxx
803-clock-xxxx
804-crypto-xxxx
805-display-xxxx
806-dma-xxxx
807-gpio-xxxx
808-i2c-xxxx
809-jailhouse-xxxx
810-keys-xxxx
811-kvm-xxxx
812-pcie-xxxx
813-pm-xxxx
814-qe-xxxx
815-sata-xxxx
816-sdhc-xxxx
817-spi-xxxx
818-thermal-xxxx
819-uart-xxxx
820-usb-xxxx
821-vfio-xxxx
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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, 43 insertions, 0 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 new file mode 100644 index 0000000000..a288938b2a --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch @@ -0,0 +1,43 @@ +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 +@@ -224,6 +224,8 @@ 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) |