From 445eb6448ed3bf02a76f183e8499d11459281205 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 25 Jul 2023 01:57:42 +0100 Subject: net: ethernet: mtk_eth_soc: add basic support for MT7988 SoC Introduce support for ethernet chip available in MT7988 SoC to mtk_eth_soc driver. As a first step support only the first GMAC which is hard-wired to the internal DSA switch having 4 built-in gigabit Ethernet PHYs. Signed-off-by: Lorenzo Bianconi Signed-off-by: Daniel Golle Link: https://lore.kernel.org/r/25c8377095b95d186872eeda7aa055da83e8f0ca.1690246605.git.daniel@makrotopia.org Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 86 ++++++++++++++++++++++++++++- 1 file changed, 85 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.h') diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 5902944ddb4f..80d17729e557 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -117,7 +117,8 @@ #define MTK_CDMP_EG_CTRL 0x404 /* GDM Exgress Control Register */ -#define MTK_GDMA_FWD_CFG(x) (0x500 + (x * 0x1000)) +#define MTK_GDMA_FWD_CFG(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ + 0x540 : 0x500 + (_x * 0x1000); }) #define MTK_GDMA_SPECIAL_TAG BIT(24) #define MTK_GDMA_ICS_EN BIT(22) #define MTK_GDMA_TCS_EN BIT(21) @@ -126,6 +127,11 @@ #define MTK_GDMA_TO_PDMA 0x0 #define MTK_GDMA_DROP_ALL 0x7777 +/* GDM Egress Control Register */ +#define MTK_GDMA_EG_CTRL(x) ({ typeof(x) _x = (x); (_x == MTK_GMAC3_ID) ? \ + 0x544 : 0x504 + (_x * 0x1000); }) +#define MTK_GDMA_XGDM_SEL BIT(31) + /* Unicast Filter MAC Address Register - Low */ #define MTK_GDMA_MAC_ADRL(x) (0x508 + (x * 0x1000)) @@ -389,7 +395,26 @@ #define PHY_IAC_TIMEOUT HZ #define MTK_MAC_MISC 0x1000c +#define MTK_MAC_MISC_V3 0x10010 #define MTK_MUX_TO_ESW BIT(0) +#define MISC_MDC_TURBO BIT(4) + +/* XMAC status registers */ +#define MTK_XGMAC_STS(x) (((x) == MTK_GMAC3_ID) ? 0x1001C : 0x1000C) +#define MTK_XGMAC_FORCE_LINK(x) (((x) == MTK_GMAC2_ID) ? BIT(31) : BIT(15)) +#define MTK_USXGMII_PCS_LINK BIT(8) +#define MTK_XGMAC_RX_FC BIT(5) +#define MTK_XGMAC_TX_FC BIT(4) +#define MTK_USXGMII_PCS_MODE GENMASK(3, 1) +#define MTK_XGMAC_LINK_STS BIT(0) + +/* GSW bridge registers */ +#define MTK_GSW_CFG (0x10080) +#define GSWTX_IPG_MASK GENMASK(19, 16) +#define GSWTX_IPG_SHIFT 16 +#define GSWRX_IPG_MASK GENMASK(3, 0) +#define GSWRX_IPG_SHIFT 0 +#define GSW_IPG_11 11 /* Mac control registers */ #define MTK_MAC_MCR(x) (0x10100 + (x * 0x100)) @@ -647,6 +672,11 @@ enum mtk_clks_map { MTK_CLK_GP0, MTK_CLK_GP1, MTK_CLK_GP2, + MTK_CLK_GP3, + MTK_CLK_XGP1, + MTK_CLK_XGP2, + MTK_CLK_XGP3, + MTK_CLK_CRYPTO, MTK_CLK_FE, MTK_CLK_TRGPLL, MTK_CLK_SGMII_TX_250M, @@ -663,6 +693,27 @@ enum mtk_clks_map { MTK_CLK_WOCPU1, MTK_CLK_NETSYS0, MTK_CLK_NETSYS1, + MTK_CLK_ETHWARP_WOCPU2, + MTK_CLK_ETHWARP_WOCPU1, + MTK_CLK_ETHWARP_WOCPU0, + MTK_CLK_TOP_USXGMII_SBUS_0_SEL, + MTK_CLK_TOP_USXGMII_SBUS_1_SEL, + MTK_CLK_TOP_SGM_0_SEL, + MTK_CLK_TOP_SGM_1_SEL, + MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL, + MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL, + MTK_CLK_TOP_ETH_GMII_SEL, + MTK_CLK_TOP_ETH_REFCK_50M_SEL, + MTK_CLK_TOP_ETH_SYS_200M_SEL, + MTK_CLK_TOP_ETH_SYS_SEL, + MTK_CLK_TOP_ETH_XGMII_SEL, + MTK_CLK_TOP_ETH_MII_SEL, + MTK_CLK_TOP_NETSYS_SEL, + MTK_CLK_TOP_NETSYS_500M_SEL, + MTK_CLK_TOP_NETSYS_PAO_2X_SEL, + MTK_CLK_TOP_NETSYS_SYNC_250M_SEL, + MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL, + MTK_CLK_TOP_NETSYS_WARP_SEL, MTK_CLK_MAX }; @@ -716,6 +767,36 @@ enum mtk_clks_map { BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_REF) | \ BIT_ULL(MTK_CLK_SGMII2_CDR_FB)) +#define MT7988_CLKS_BITMAP (BIT_ULL(MTK_CLK_FE) | BIT_ULL(MTK_CLK_ESW) | \ + BIT_ULL(MTK_CLK_GP1) | BIT_ULL(MTK_CLK_GP2) | \ + BIT_ULL(MTK_CLK_GP3) | BIT_ULL(MTK_CLK_XGP1) | \ + BIT_ULL(MTK_CLK_XGP2) | BIT_ULL(MTK_CLK_XGP3) | \ + BIT_ULL(MTK_CLK_CRYPTO) | \ + BIT_ULL(MTK_CLK_SGMII_TX_250M) | \ + BIT_ULL(MTK_CLK_SGMII_RX_250M) | \ + BIT_ULL(MTK_CLK_SGMII2_TX_250M) | \ + BIT_ULL(MTK_CLK_SGMII2_RX_250M) | \ + BIT_ULL(MTK_CLK_ETHWARP_WOCPU2) | \ + BIT_ULL(MTK_CLK_ETHWARP_WOCPU1) | \ + BIT_ULL(MTK_CLK_ETHWARP_WOCPU0) | \ + BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_0_SEL) | \ + BIT_ULL(MTK_CLK_TOP_USXGMII_SBUS_1_SEL) | \ + BIT_ULL(MTK_CLK_TOP_SGM_0_SEL) | \ + BIT_ULL(MTK_CLK_TOP_SGM_1_SEL) | \ + BIT_ULL(MTK_CLK_TOP_XFI_PHY_0_XTAL_SEL) | \ + BIT_ULL(MTK_CLK_TOP_XFI_PHY_1_XTAL_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_GMII_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_REFCK_50M_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_SYS_200M_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_SYS_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_XGMII_SEL) | \ + BIT_ULL(MTK_CLK_TOP_ETH_MII_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_500M_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_PAO_2X_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_SYNC_250M_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_PPEFB_250M_SEL) | \ + BIT_ULL(MTK_CLK_TOP_NETSYS_WARP_SEL)) enum mtk_dev_state { MTK_HW_INIT, @@ -964,6 +1045,8 @@ enum mkt_eth_capabilities { MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \ MTK_RSTCTRL_PPE1) +#define MT7988_CAPS (MTK_GDM1_ESW | MTK_QDMA | MTK_RSTCTRL_PPE1) + struct mtk_tx_dma_desc_info { dma_addr_t addr; u32 size; @@ -1309,6 +1392,7 @@ void mtk_stats_update_mac(struct mtk_mac *mac); void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); +u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned int reg); int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id); int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id); -- cgit