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-rw-r--r--target/linux/generic/backport-5.4/760-net-ethernet-mediatek-Integrate-GDM-PSE-setup-operat.patch80
1 files changed, 80 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.4/760-net-ethernet-mediatek-Integrate-GDM-PSE-setup-operat.patch b/target/linux/generic/backport-5.4/760-net-ethernet-mediatek-Integrate-GDM-PSE-setup-operat.patch
new file mode 100644
index 0000000000..4df1fd2677
--- /dev/null
+++ b/target/linux/generic/backport-5.4/760-net-ethernet-mediatek-Integrate-GDM-PSE-setup-operat.patch
@@ -0,0 +1,80 @@
+From: MarkLee <Mark-MC.Lee@mediatek.com>
+Date: Wed, 13 Nov 2019 10:38:42 +0800
+Subject: [PATCH] net: ethernet: mediatek: Integrate GDM/PSE setup operations
+
+Integrate GDM/PSE setup operations into single function "mtk_gdm_config"
+
+Signed-off-by: MarkLee <Mark-MC.Lee@mediatek.com>
+Signed-off-by: David S. Miller <davem@davemloft.net>
+---
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+@@ -2211,6 +2211,28 @@ static int mtk_start_dma(struct mtk_eth
+ return 0;
+ }
+
++static void mtk_gdm_config(struct mtk_eth *eth, u32 config)
++{
++ int i;
++
++ for (i = 0; i < MTK_MAC_COUNT; i++) {
++ u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i));
++
++ /* default setup the forward port to send frame to PDMA */
++ val &= ~0xffff;
++
++ /* Enable RX checksum */
++ val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN;
++
++ val |= config;
++
++ mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i));
++ }
++ /* Reset and enable PSE */
++ mtk_w32(eth, RST_GL_PSE, MTK_RST_GL);
++ mtk_w32(eth, 0, MTK_RST_GL);
++}
++
+ static int mtk_open(struct net_device *dev)
+ {
+ struct mtk_mac *mac = netdev_priv(dev);
+@@ -2406,8 +2428,6 @@ static int mtk_hw_init(struct mtk_eth *e
+ mtk_w32(eth, 0, MTK_QDMA_DELAY_INT);
+ mtk_tx_irq_disable(eth, ~0);
+ mtk_rx_irq_disable(eth, ~0);
+- mtk_w32(eth, RST_GL_PSE, MTK_RST_GL);
+- mtk_w32(eth, 0, MTK_RST_GL);
+
+ /* FE int grouping */
+ mtk_w32(eth, MTK_TX_DONE_INT, MTK_PDMA_INT_GRP1);
+@@ -2416,18 +2436,7 @@ static int mtk_hw_init(struct mtk_eth *e
+ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2);
+ mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
+
+- for (i = 0; i < MTK_MAC_COUNT; i++) {
+- u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i));
+-
+- /* setup the forward port to send frame to PDMA */
+- val &= ~0xffff;
+-
+- /* Enable RX checksum */
+- val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN;
+-
+- /* setup the mac dma */
+- mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i));
+- }
++ mtk_gdm_config(eth, MTK_GDMA_TO_PDMA);
+
+ return 0;
+
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+@@ -84,6 +84,7 @@
+ #define MTK_GDMA_ICS_EN BIT(22)
+ #define MTK_GDMA_TCS_EN BIT(21)
+ #define MTK_GDMA_UCS_EN BIT(20)
++#define MTK_GDMA_TO_PDMA 0x0
+
+ /* Unicast Filter MAC Address Register - Low */
+ #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000))