diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.h')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.h | 123 |
1 files changed, 102 insertions, 21 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index bab94f763e2c..76bd12cb8150 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -14,6 +14,7 @@ #include <linux/of_net.h> #include <linux/u64_stats_sync.h> #include <linux/refcount.h> +#include <linux/phylink.h> #define MTK_QDMA_PAGE_SIZE 2048 #define MTK_MAX_RX_LENGTH 1536 @@ -39,7 +40,8 @@ NETIF_F_SG | NETIF_F_TSO | \ NETIF_F_TSO6 | \ NETIF_F_IPV6_CSUM) -#define NEXT_RX_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) +#define MTK_HW_FEATURES_MT7628 (NETIF_F_SG | NETIF_F_RXCSUM) +#define NEXT_DESP_IDX(X, Y) (((X) + 1) & ((Y) - 1)) #define MTK_MAX_RX_RING_NUM 4 #define MTK_HW_LRO_DMA_SIZE 8 @@ -118,6 +120,7 @@ /* PDMA Global Configuration Register */ #define MTK_PDMA_GLO_CFG 0xa04 #define MTK_MULTI_EN BIT(10) +#define MTK_PDMA_SIZE_8DWORDS (1 << 4) /* PDMA Reset Index Register */ #define MTK_PDMA_RST_IDX 0xa08 @@ -212,7 +215,7 @@ #define FC_THRES_MIN 0x4444 /* QDMA Interrupt Status Register */ -#define MTK_QMTK_INT_STATUS 0x1A18 +#define MTK_QDMA_INT_STATUS 0x1A18 #define MTK_RX_DONE_DLY BIT(30) #define MTK_RX_DONE_INT3 BIT(19) #define MTK_RX_DONE_INT2 BIT(18) @@ -276,11 +279,18 @@ #define TX_DMA_OWNER_CPU BIT(31) #define TX_DMA_LS0 BIT(30) #define TX_DMA_PLEN0(_x) (((_x) & MTK_TX_DMA_BUF_LEN) << 16) +#define TX_DMA_PLEN1(_x) ((_x) & MTK_TX_DMA_BUF_LEN) #define TX_DMA_SWC BIT(14) #define TX_DMA_SDL(_x) (((_x) & 0x3fff) << 16) +/* PDMA on MT7628 */ +#define TX_DMA_DONE BIT(31) +#define TX_DMA_LS1 BIT(14) +#define TX_DMA_DESP2_DEF (TX_DMA_LS0 | TX_DMA_DONE) + /* QDMA descriptor rxd2 */ #define RX_DMA_DONE BIT(31) +#define RX_DMA_LSO BIT(30) #define RX_DMA_PLEN0(_x) (((_x) & 0x3fff) << 16) #define RX_DMA_GET_PLEN0(_x) (((_x) >> 16) & 0x3fff) @@ -289,6 +299,7 @@ /* QDMA descriptor rxd4 */ #define RX_DMA_L4_VALID BIT(24) +#define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */ #define RX_DMA_FPORT_SHIFT 19 #define RX_DMA_FPORT_MASK 0x7 @@ -320,12 +331,19 @@ #define MAC_MCR_SPEED_100 BIT(2) #define MAC_MCR_FORCE_DPX BIT(1) #define MAC_MCR_FORCE_LINK BIT(0) -#define MAC_MCR_FIXED_LINK (MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | \ - MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | \ - MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | \ - MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_RX_FC | \ - MAC_MCR_FORCE_TX_FC | MAC_MCR_SPEED_1000 | \ - MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_LINK) +#define MAC_MCR_FORCE_LINK_DOWN (MAC_MCR_FORCE_MODE) + +/* Mac status registers */ +#define MTK_MAC_MSR(x) (0x10108 + (x * 0x100)) +#define MAC_MSR_EEE1G BIT(7) +#define MAC_MSR_EEE100M BIT(6) +#define MAC_MSR_RX_FC BIT(5) +#define MAC_MSR_TX_FC BIT(4) +#define MAC_MSR_SPEED_1000 BIT(3) +#define MAC_MSR_SPEED_100 BIT(2) +#define MAC_MSR_SPEED_MASK (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100) +#define MAC_MSR_DPX BIT(1) +#define MAC_MSR_LINK BIT(0) /* TRGMII RXC control register */ #define TRGMII_RCK_CTRL 0x10300 @@ -394,14 +412,38 @@ /* Register to auto-negotiation restart */ #define SGMSYS_PCS_CONTROL_1 0x0 #define SGMII_AN_RESTART BIT(9) +#define SGMII_ISOLATE BIT(10) +#define SGMII_AN_ENABLE BIT(12) +#define SGMII_LINK_STATYS BIT(18) +#define SGMII_AN_ABILITY BIT(19) +#define SGMII_AN_COMPLETE BIT(21) +#define SGMII_PCS_FAULT BIT(23) +#define SGMII_AN_EXPANSION_CLR BIT(30) /* Register to programmable link timer, the unit in 2 * 8ns */ #define SGMSYS_PCS_LINK_TIMER 0x18 #define SGMII_LINK_TIMER_DEFAULT (0x186a0 & GENMASK(19, 0)) /* Register to control remote fault */ -#define SGMSYS_SGMII_MODE 0x20 -#define SGMII_REMOTE_FAULT_DIS BIT(8) +#define SGMSYS_SGMII_MODE 0x20 +#define SGMII_IF_MODE_BIT0 BIT(0) +#define SGMII_SPEED_DUPLEX_AN BIT(1) +#define SGMII_SPEED_10 0x0 +#define SGMII_SPEED_100 BIT(2) +#define SGMII_SPEED_1000 BIT(3) +#define SGMII_DUPLEX_FULL BIT(4) +#define SGMII_IF_MODE_BIT5 BIT(5) +#define SGMII_REMOTE_FAULT_DIS BIT(8) +#define SGMII_CODE_SYNC_SET_VAL BIT(9) +#define SGMII_CODE_SYNC_SET_EN BIT(10) +#define SGMII_SEND_AN_ERROR_EN BIT(11) +#define SGMII_IF_MODE_MASK GENMASK(5, 1) + +/* Register to set SGMII speed, ANA RG_ Control Signals III*/ +#define SGMSYS_ANA_RG_CS3 0x2028 +#define RG_PHY_SPEED_MASK (BIT(2) | BIT(3)) +#define RG_PHY_SPEED_1_25G 0x0 +#define RG_PHY_SPEED_3_125G BIT(2) /* Register to power up QPHY */ #define SGMSYS_QPHY_PWR_STATE_CTRL 0xe8 @@ -412,6 +454,19 @@ #define CO_QPHY_SEL BIT(0) #define GEPHY_MAC_SEL BIT(1) +/* MT7628/88 specific stuff */ +#define MT7628_PDMA_OFFSET 0x0800 +#define MT7628_SDM_OFFSET 0x0c00 + +#define MT7628_TX_BASE_PTR0 (MT7628_PDMA_OFFSET + 0x00) +#define MT7628_TX_MAX_CNT0 (MT7628_PDMA_OFFSET + 0x04) +#define MT7628_TX_CTX_IDX0 (MT7628_PDMA_OFFSET + 0x08) +#define MT7628_TX_DTX_IDX0 (MT7628_PDMA_OFFSET + 0x0c) +#define MT7628_PST_DTX_IDX0 BIT(0) + +#define MT7628_SDM_MAC_ADRL (MT7628_SDM_OFFSET + 0x0c) +#define MT7628_SDM_MAC_ADRH (MT7628_SDM_OFFSET + 0x10) + struct mtk_rx_dma { unsigned int rxd1; unsigned int rxd2; @@ -509,6 +564,7 @@ enum mtk_clks_map { BIT(MTK_CLK_SGMII_CK) | \ BIT(MTK_CLK_ETH2PLL)) #define MT7621_CLKS_BITMAP (0) +#define MT7628_CLKS_BITMAP (0) #define MT7629_CLKS_BITMAP (BIT(MTK_CLK_ETHIF) | BIT(MTK_CLK_ESW) | \ BIT(MTK_CLK_GP0) | BIT(MTK_CLK_GP1) | \ BIT(MTK_CLK_GP2) | BIT(MTK_CLK_FE) | \ @@ -563,6 +619,10 @@ struct mtk_tx_ring { struct mtk_tx_dma *last_free; u16 thresh; atomic_t free_count; + int dma_size; + struct mtk_tx_dma *dma_pdma; /* For MT7628/88 PDMA handling */ + dma_addr_t phys_pdma; + int cpu_idx; }; /* PDMA rx ring mode */ @@ -604,6 +664,8 @@ enum mkt_eth_capabilities { MTK_HWLRO_BIT, MTK_SHARED_INT_BIT, MTK_TRGMII_MT7621_CLK_BIT, + MTK_QDMA_BIT, + MTK_SOC_MT7628_BIT, /* MUX BITS*/ MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT, @@ -634,6 +696,8 @@ enum mkt_eth_capabilities { #define MTK_HWLRO BIT(MTK_HWLRO_BIT) #define MTK_SHARED_INT BIT(MTK_SHARED_INT_BIT) #define MTK_TRGMII_MT7621_CLK BIT(MTK_TRGMII_MT7621_CLK_BIT) +#define MTK_QDMA BIT(MTK_QDMA_BIT) +#define MTK_SOC_MT7628 BIT(MTK_SOC_MT7628_BIT) #define MTK_ETH_MUX_GDM1_TO_GMAC1_ESW \ BIT(MTK_ETH_MUX_GDM1_TO_GMAC1_ESW_BIT) @@ -687,26 +751,31 @@ enum mkt_eth_capabilities { #define MTK_HAS_CAPS(caps, _x) (((caps) & (_x)) == (_x)) #define MT7621_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | \ - MTK_GMAC2_RGMII | MTK_SHARED_INT | MTK_TRGMII_MT7621_CLK) + MTK_GMAC2_RGMII | MTK_SHARED_INT | \ + MTK_TRGMII_MT7621_CLK | MTK_QDMA) #define MT7622_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_SGMII | MTK_GMAC2_RGMII | \ MTK_GMAC2_SGMII | MTK_GDM1_ESW | \ MTK_MUX_GDM1_TO_GMAC1_ESW | \ - MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII) + MTK_MUX_GMAC1_GMAC2_TO_SGMII_RGMII | MTK_QDMA) -#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII) +#define MT7623_CAPS (MTK_GMAC1_RGMII | MTK_GMAC1_TRGMII | MTK_GMAC2_RGMII | \ + MTK_QDMA) + +#define MT7628_CAPS (MTK_SHARED_INT | MTK_SOC_MT7628) #define MT7629_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | MTK_GMAC2_GEPHY | \ MTK_GDM1_ESW | MTK_MUX_GDM1_TO_GMAC1_ESW | \ MTK_MUX_GMAC2_GMAC0_TO_GEPHY | \ MTK_MUX_U3_GMAC2_TO_QPHY | \ - MTK_MUX_GMAC12_TO_GEPHY_SGMII) + MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA) /* struct mtk_eth_data - This is the structure holding all differences * among various plaforms * @ana_rgc3: The offset for register ANA_RGC3 related to * sgmiisys syscon * @caps Flags shown the extra capability for the SoC + * @hw_features Flags shown HW features * @required_clks Flags shown the bitmap for required clocks on * the target SoC * @required_pctl A bool value to show whether the SoC requires @@ -717,6 +786,7 @@ struct mtk_soc_data { u32 caps; u32 required_clks; bool required_pctl; + netdev_features_t hw_features; }; /* currently no SoC has more than 2 macs */ @@ -810,27 +880,33 @@ struct mtk_eth { unsigned long state; const struct mtk_soc_data *soc; + + u32 tx_int_mask_reg; + u32 tx_int_status_reg; + u32 rx_dma_l4_valid; + int ip_align; }; /* struct mtk_mac - the structure that holds the info about the MACs of the * SoC * @id: The number of the MAC - * @ge_mode: Interface mode kept for setup restoring + * @interface: Interface mode kept for detecting change in hw settings * @of_node: Our devicetree node * @hw: Backpointer to our main datastruture * @hw_stats: Packet statistics counter - * @trgmii Indicate if the MAC uses TRGMII connected to internal - switch */ struct mtk_mac { int id; - int ge_mode; + phy_interface_t interface; + unsigned int mode; + int speed; struct device_node *of_node; + struct phylink *phylink; + struct phylink_config phylink_config; struct mtk_eth *hw; struct mtk_hw_stats *hw_stats; __be32 hwlro_ip[MTK_MAX_LRO_IP_CNT]; int hwlro_ip_cnt; - bool trgmii; }; /* the struct describing the SoC. these are declared in the soc_xyz.c files */ @@ -845,7 +921,12 @@ u32 mtk_r32(struct mtk_eth *eth, unsigned reg); int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *np, u32 ana_rgc3); int mtk_sgmii_setup_mode_an(struct mtk_sgmii *ss, int id); -int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id); -int mtk_setup_hw_path(struct mtk_eth *eth, int mac_id, int phymode); +int mtk_sgmii_setup_mode_force(struct mtk_sgmii *ss, int id, + const struct phylink_link_state *state); +void mtk_sgmii_restart_an(struct mtk_eth *eth, int mac_id); + +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); +int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id); #endif /* MTK_ETH_H */ |