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-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c24
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.h10
2 files changed, 29 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index bdb98c9d8b1c..47807b202310 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -4043,11 +4043,27 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset)
mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP);
if (mtk_is_netsys_v3_or_greater(eth)) {
- /* PSE should not drop port1, port8 and port9 packets */
- mtk_w32(eth, 0x00000302, PSE_DROP_CFG);
+ /* PSE dummy page mechanism */
+ mtk_w32(eth, PSE_DUMMY_WORK_GDM(1) | PSE_DUMMY_WORK_GDM(2) |
+ PSE_DUMMY_WORK_GDM(3) | DUMMY_PAGE_THR, PSE_DUMY_REQ);
+
+ /* PSE free buffer drop threshold */
+ mtk_w32(eth, 0x00600009, PSE_IQ_REV(8));
+
+ /* PSE should not drop port8, port9 and port13 packets from
+ * WDMA Tx
+ */
+ mtk_w32(eth, 0x00002300, PSE_DROP_CFG);
+
+ /* PSE should drop packets to port8, port9 and port13 on WDMA Rx
+ * ring full
+ */
+ mtk_w32(eth, 0x00002300, PSE_PPE_DROP(0));
+ mtk_w32(eth, 0x00002300, PSE_PPE_DROP(1));
+ mtk_w32(eth, 0x00002300, PSE_PPE_DROP(2));
/* GDM and CDM Threshold */
- mtk_w32(eth, 0x00000707, MTK_CDMW0_THRES);
+ mtk_w32(eth, 0x08000707, MTK_CDMW0_THRES);
mtk_w32(eth, 0x00000077, MTK_CDMW1_THRES);
/* Disable GDM1 RX CRC stripping */
@@ -4064,7 +4080,7 @@ static int mtk_hw_init(struct mtk_eth *eth, bool reset)
mtk_w32(eth, 0x00000300, PSE_DROP_CFG);
/* PSE should drop packets to port 8/9 on WDMA Rx ring full */
- mtk_w32(eth, 0x00000300, PSE_PPE0_DROP);
+ mtk_w32(eth, 0x00000300, PSE_PPE_DROP(0));
/* PSE Free Queue Flow Control */
mtk_w32(eth, 0x01fa01f4, PSE_FQFC_CFG2);
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 39709649ea8d..88ef2e9c50fc 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -151,7 +151,15 @@
#define PSE_FQFC_CFG1 0x100
#define PSE_FQFC_CFG2 0x104
#define PSE_DROP_CFG 0x108
-#define PSE_PPE0_DROP 0x110
+#define PSE_PPE_DROP(x) (0x110 + ((x) * 0x4))
+
+/* PSE Last FreeQ Page Request Control */
+#define PSE_DUMY_REQ 0x10C
+/* PSE_DUMY_REQ is not a typo but actually called like that also in
+ * MediaTek's datasheet
+ */
+#define PSE_DUMMY_WORK_GDM(x) BIT(16 + (x))
+#define DUMMY_PAGE_THR 0x1
/* PSE Input Queue Reservation Register*/
#define PSE_IQ_REV(x) (0x140 + (((x) - 1) << 2))