generic: add support for wireless offloading on MT7981

Load appropriate firmware for wireless offloading on MT7981.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/target/linux/generic/backport-5.15/733-v6.4-21-net-mtk_eth_soc-use-WO-firmware-for-MT7981.patch b/target/linux/generic/backport-5.15/733-v6.4-21-net-mtk_eth_soc-use-WO-firmware-for-MT7981.patch
new file mode 100644 (file)
index 0000000..9ce2735
--- /dev/null
+++ b/target/linux/generic/backport-5.15/733-v6.4-21-net-mtk_eth_soc-use-WO-firmware-for-MT7981.patch
@@ -0,0 +1,46 @@
+From f5af7931d2a2cae66d0f9dad4ba517b1b00620b3 Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel@makrotopia.org>
+Date: Wed, 19 Apr 2023 19:07:23 +0100
+Subject: [PATCH] net: mtk_eth_soc: use WO firmware for MT7981
+
+In order to support wireless offloading on MT7981 we need to load the
+appropriate firmware. Recognize MT7981 and load mt7981_wo.bin.
+
+Signed-off-by: Daniel Golle <daniel@makrotopia.org>
+---
+ drivers/net/ethernet/mediatek/mtk_wed_mcu.c | 7 ++++++-
+ drivers/net/ethernet/mediatek/mtk_wed_wo.h  | 1 +
+ 2 files changed, 7 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
++++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
+@@ -326,7 +326,11 @@ mtk_wed_mcu_load_firmware(struct mtk_wed
+               wo->hw->index + 1);
+ 
+       /* load firmware */
+-      fw_name = wo->hw->index ? MT7986_FIRMWARE_WO1 : MT7986_FIRMWARE_WO0;
++      if (of_device_is_compatible(wo->hw->node, "mediatek,mt7981-wed"))
++              fw_name = MT7981_FIRMWARE_WO;
++      else
++              fw_name = wo->hw->index ? MT7986_FIRMWARE_WO1 : MT7986_FIRMWARE_WO0;
++
+       ret = request_firmware(&fw, fw_name, wo->hw->dev);
+       if (ret)
+               return ret;
+@@ -386,5 +390,6 @@ int mtk_wed_mcu_init(struct mtk_wed_wo *
+                                 100, MTK_FW_DL_TIMEOUT);
+ }
+ 
++MODULE_FIRMWARE(MT7981_FIRMWARE_WO);
+ MODULE_FIRMWARE(MT7986_FIRMWARE_WO0);
+ MODULE_FIRMWARE(MT7986_FIRMWARE_WO1);
+--- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
++++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
+@@ -88,6 +88,7 @@ enum mtk_wed_dummy_cr_idx {
+       MTK_WED_DUMMY_CR_WO_STATUS,
+ };
+ 
++#define MT7981_FIRMWARE_WO    "mediatek/mt7981_wo.bin"
+ #define MT7986_FIRMWARE_WO0   "mediatek/mt7986_wo_0.bin"
+ #define MT7986_FIRMWARE_WO1   "mediatek/mt7986_wo_1.bin"
+ 

diff --git a/target/linux/mediatek/patches-5.15/942-net-ethernet-mtk_wed-move-cpuboot-in-a-dedicated-dts.patch b/target/linux/mediatek/patches-5.15/942-net-ethernet-mtk_wed-move-cpuboot-in-a-dedicated-dts.patch
index 3de1b27622dc8cfee083699c31bb6c03ce9e7b4b..9de4ffa433eedb6f586f0b3b5688ddb98af0ca11 100644 (file)
--- a/target/linux/mediatek/patches-5.15/942-net-ethernet-mtk_wed-move-cpuboot-in-a-dedicated-dts.patch
+++ b/target/linux/mediatek/patches-5.15/942-net-ethernet-mtk_wed-move-cpuboot-in-a-dedicated-dts.patch
@@ -77,7 +77,7 @@ Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
        wed_w32(wo->hw->wed_dev, MTK_WED_SCR0 + 4 * MTK_WED_DUMMY_CR_FWDL,
 --- a/drivers/net/ethernet/mediatek/mtk_wed_wo.h
 +++ b/drivers/net/ethernet/mediatek/mtk_wed_wo.h
-@@ -227,7 +227,8 @@ struct mtk_wed_wo_queue {
+@@ -228,7 +228,8 @@ struct mtk_wed_wo_queue {
  
  struct mtk_wed_wo {
        struct mtk_wed_hw *hw;