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authorYangbo Lu <yangbo.lu@nxp.com>2020-04-10 10:47:05 +0800
committerPetr Štetiar <ynezz@true.cz>2020-05-07 12:53:06 +0200
commitcddd4591404fb4c53dc0b3c0b15b942cdbed4356 (patch)
tree392c1179de46b0f804e3789edca19069b64e6b44 /target/linux/layerscape/patches-5.4/701-net-0407-LF-924-net-enetc-Set-MAC-Rx-FIFO-to-recommended-valu.patch
parentd1d2c0b5579ea4f69a42246c9318539d61ba1999 (diff)
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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.patch43
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)