net: ethernet: mtk_wed: add wed 3.0 reset support

Introduce support for resetting Wireless Ethernet Dispatcher 3.0
available on MT988 SoC.
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/ethernet/mediatek/mtk_wed_regs.h

@@ -28,6 +28,8 @@ struct mtk_wdma_desc {
 #define MTK_WED_RESET					0x008
 #define MTK_WED_RESET_TX_BM				BIT(0)
 #define MTK_WED_RESET_RX_BM				BIT(1)
+#define MTK_WED_RESET_RX_PG_BM				BIT(2)
+#define MTK_WED_RESET_RRO_RX_TO_PG			BIT(3)
 #define MTK_WED_RESET_TX_FREE_AGENT			BIT(4)
 #define MTK_WED_RESET_WPDMA_TX_DRV			BIT(8)
 #define MTK_WED_RESET_WPDMA_RX_DRV			BIT(9)
@@ -106,6 +108,9 @@ struct mtk_wdma_desc {
 #define MTK_WED_STATUS					0x060
 #define MTK_WED_STATUS_TX				GENMASK(15, 8)
 
+#define MTK_WED_WPDMA_STATUS				0x068
+#define MTK_WED_WPDMA_STATUS_TX_DRV			GENMASK(15, 8)
+
 #define MTK_WED_TX_BM_CTRL				0x080
 #define MTK_WED_TX_BM_CTRL_VLD_GRP_NUM			GENMASK(6, 0)
 #define MTK_WED_TX_BM_CTRL_RSV_GRP_NUM			GENMASK(22, 16)
@@ -140,6 +145,9 @@ struct mtk_wdma_desc {
 #define MTK_WED_TX_TKID_CTRL_RSV_GRP_NUM		GENMASK(22, 16)
 #define MTK_WED_TX_TKID_CTRL_PAUSE			BIT(28)
 
+#define MTK_WED_TX_TKID_INTF				0x0dc
+#define MTK_WED_TX_TKID_INTF_TKFIFO_FDEP		GENMASK(25, 16)
+
 #define MTK_WED_TX_TKID_CTRL_VLD_GRP_NUM_V3		GENMASK(7, 0)
 #define MTK_WED_TX_TKID_CTRL_RSV_GRP_NUM_V3		GENMASK(23, 16)
 
@@ -190,6 +198,7 @@ struct mtk_wdma_desc {
 #define MTK_WED_RING_RX_DATA(_n)			(0x420 + (_n) * 0x10)
 
 #define MTK_WED_SCR0					0x3c0
+#define MTK_WED_RX1_CTRL2				0x418
 #define MTK_WED_WPDMA_INT_TRIGGER			0x504
 #define MTK_WED_WPDMA_INT_TRIGGER_RX_DONE		BIT(1)
 #define MTK_WED_WPDMA_INT_TRIGGER_TX_DONE		GENMASK(5, 4)
@@ -303,6 +312,7 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_WPDMA_RX_D_RST_IDX			0x760
 #define MTK_WED_WPDMA_RX_D_RST_CRX_IDX			GENMASK(17, 16)
+#define MTK_WED_WPDMA_RX_D_RST_DRV_IDX_ALL		BIT(20)
 #define MTK_WED_WPDMA_RX_D_RST_DRV_IDX			GENMASK(25, 24)
 
 #define MTK_WED_WPDMA_RX_GLO_CFG			0x76c
@@ -313,6 +323,7 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_WPDMA_RX_D_PREF_CFG			0x7b4
 #define MTK_WED_WPDMA_RX_D_PREF_EN			BIT(0)
+#define MTK_WED_WPDMA_RX_D_PREF_BUSY			BIT(1)
 #define MTK_WED_WPDMA_RX_D_PREF_BURST_SIZE		GENMASK(12, 8)
 #define MTK_WED_WPDMA_RX_D_PREF_LOW_THRES		GENMASK(21, 16)
 
@@ -334,11 +345,13 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_WDMA_RX_PREF_CFG			0x950
 #define MTK_WED_WDMA_RX_PREF_EN				BIT(0)
+#define MTK_WED_WDMA_RX_PREF_BUSY			BIT(1)
 #define MTK_WED_WDMA_RX_PREF_BURST_SIZE			GENMASK(12, 8)
 #define MTK_WED_WDMA_RX_PREF_LOW_THRES			GENMASK(21, 16)
 #define MTK_WED_WDMA_RX_PREF_RX0_SIDX_CLR		BIT(24)
 #define MTK_WED_WDMA_RX_PREF_RX1_SIDX_CLR		BIT(25)
 #define MTK_WED_WDMA_RX_PREF_DDONE2_EN			BIT(26)
+#define MTK_WED_WDMA_RX_PREF_DDONE2_BUSY		BIT(27)
 
 #define MTK_WED_WDMA_RX_PREF_FIFO_CFG			0x95C
 #define MTK_WED_WDMA_RX_PREF_FIFO_RX0_CLR		BIT(0)
@@ -367,6 +380,7 @@ struct mtk_wdma_desc {
 
 #define MTK_WED_WDMA_RESET_IDX				0xa08
 #define MTK_WED_WDMA_RESET_IDX_RX			GENMASK(17, 16)
+#define MTK_WED_WDMA_RESET_IDX_RX_ALL			BIT(20)
 #define MTK_WED_WDMA_RESET_IDX_DRV			GENMASK(25, 24)
 
 #define MTK_WED_WDMA_INT_CLR				0xa24
@@ -437,21 +451,62 @@ struct mtk_wdma_desc {
 #define MTK_WDMA_INT_MASK_RX_DELAY			BIT(30)
 #define MTK_WDMA_INT_MASK_RX_COHERENT			BIT(31)
 
+#define MTK_WDMA_XDMA_TX_FIFO_CFG			0x238
+#define MTK_WDMA_XDMA_TX_FIFO_CFG_TX_PAR_FIFO_CLEAR	BIT(0)
+#define MTK_WDMA_XDMA_TX_FIFO_CFG_TX_CMD_FIFO_CLEAR	BIT(4)
+#define MTK_WDMA_XDMA_TX_FIFO_CFG_TX_DMAD_FIFO_CLEAR	BIT(8)
+#define MTK_WDMA_XDMA_TX_FIFO_CFG_TX_ARR_FIFO_CLEAR	BIT(12)
+
+#define MTK_WDMA_XDMA_RX_FIFO_CFG			0x23c
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_PAR_FIFO_CLEAR	BIT(0)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_CMD_FIFO_CLEAR	BIT(4)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_DMAD_FIFO_CLEAR	BIT(8)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_ARR_FIFO_CLEAR	BIT(12)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_LEN_FIFO_CLEAR	BIT(15)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_WID_FIFO_CLEAR	BIT(18)
+#define MTK_WDMA_XDMA_RX_FIFO_CFG_RX_BID_FIFO_CLEAR	BIT(21)
+
 #define MTK_WDMA_INT_GRP1				0x250
 #define MTK_WDMA_INT_GRP2				0x254
 
 #define MTK_WDMA_PREF_TX_CFG				0x2d0
 #define MTK_WDMA_PREF_TX_CFG_PREF_EN			BIT(0)
+#define MTK_WDMA_PREF_TX_CFG_PREF_BUSY			BIT(1)
 
 #define MTK_WDMA_PREF_RX_CFG				0x2dc
 #define MTK_WDMA_PREF_RX_CFG_PREF_EN			BIT(0)
+#define MTK_WDMA_PREF_RX_CFG_PREF_BUSY			BIT(1)
+
+#define MTK_WDMA_PREF_RX_FIFO_CFG			0x2e0
+#define MTK_WDMA_PREF_RX_FIFO_CFG_RING0_CLEAR		BIT(0)
+#define MTK_WDMA_PREF_RX_FIFO_CFG_RING1_CLEAR		BIT(16)
+
+#define MTK_WDMA_PREF_TX_FIFO_CFG			0x2d4
+#define MTK_WDMA_PREF_TX_FIFO_CFG_RING0_CLEAR		BIT(0)
+#define MTK_WDMA_PREF_TX_FIFO_CFG_RING1_CLEAR		BIT(16)
+
+#define MTK_WDMA_PREF_SIDX_CFG				0x2e4
+#define MTK_WDMA_PREF_SIDX_CFG_TX_RING_CLEAR		GENMASK(3, 0)
+#define MTK_WDMA_PREF_SIDX_CFG_RX_RING_CLEAR		GENMASK(5, 4)
 
 #define MTK_WDMA_WRBK_TX_CFG				0x300
+#define MTK_WDMA_WRBK_TX_CFG_WRBK_BUSY			BIT(0)
 #define MTK_WDMA_WRBK_TX_CFG_WRBK_EN			BIT(30)
 
+#define MTK_WDMA_WRBK_TX_FIFO_CFG(_n)			(0x304 + (_n) * 0x4)
+#define MTK_WDMA_WRBK_TX_FIFO_CFG_RING_CLEAR		BIT(0)
+
 #define MTK_WDMA_WRBK_RX_CFG				0x344
+#define MTK_WDMA_WRBK_RX_CFG_WRBK_BUSY			BIT(0)
 #define MTK_WDMA_WRBK_RX_CFG_WRBK_EN			BIT(30)
 
+#define MTK_WDMA_WRBK_RX_FIFO_CFG(_n)			(0x348 + (_n) * 0x4)
+#define MTK_WDMA_WRBK_RX_FIFO_CFG_RING_CLEAR		BIT(0)
+
+#define MTK_WDMA_WRBK_SIDX_CFG				0x388
+#define MTK_WDMA_WRBK_SIDX_CFG_TX_RING_CLEAR		GENMASK(3, 0)
+#define MTK_WDMA_WRBK_SIDX_CFG_RX_RING_CLEAR		GENMASK(5, 4)
+
 #define MTK_PCIE_MIRROR_MAP(n)				((n) ? 0x4 : 0x0)
 #define MTK_PCIE_MIRROR_MAP_EN				BIT(0)
 #define MTK_PCIE_MIRROR_MAP_WED_ID			BIT(1)
@@ -465,6 +520,8 @@ struct mtk_wdma_desc {
 #define MTK_WED_RTQM_Q_DBG_BYPASS			BIT(5)
 #define MTK_WED_RTQM_TXDMAD_FPORT			GENMASK(23, 20)
 
+#define MTK_WED_RTQM_RST				0xb04
+
 #define MTK_WED_RTQM_IGRS0_I2HW_DMAD_CNT		0xb1c
 #define MTK_WED_RTQM_IGRS0_I2H_DMAD_CNT(_n)		(0xb20 + (_n) * 0x4)
 #define	MTK_WED_RTQM_IGRS0_I2HW_PKT_CNT			0xb28
@@ -653,6 +710,9 @@ struct mtk_wdma_desc {
 #define MTK_WED_WPDMA_INT_CTRL_RRO_PG2_CLR		BIT(17)
 #define MTK_WED_WPDMA_INT_CTRL_RRO_PG2_DONE_TRIG	GENMASK(22, 18)
 
+#define MTK_WED_RRO_RX_HW_STS				0xf00
+#define MTK_WED_RX_IND_CMD_BUSY				GENMASK(31, 0)
+
 #define MTK_WED_RX_IND_CMD_CNT0				0xf20
 #define MTK_WED_RX_IND_CMD_DBG_CNT_EN			BIT(31)