diff options
Diffstat (limited to 'drivers/net/dwc_eth_xgmac.h')
| -rw-r--r-- | drivers/net/dwc_eth_xgmac.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/drivers/net/dwc_eth_xgmac.h b/drivers/net/dwc_eth_xgmac.h new file mode 100644 index 0000000..259f815 --- /dev/null +++ b/drivers/net/dwc_eth_xgmac.h @@ -0,0 +1,298 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2023 Intel Coporation. + */ + +#include <phy_interface.h> +#include <linux/bitops.h> + +/* Core registers */ + +#define XGMAC_MAC_REGS_BASE 0x000 + +struct xgmac_mac_regs { + u32 tx_configuration; /* 0x000 */ + u32 rx_configuration; /* 0x004 */ + u32 mac_packet_filter; /* 0x008 */ + u32 unused_00c[(0x070 - 0x00c) / 4]; /* 0x00c */ + u32 q0_tx_flow_ctrl; /* 0x070 */ + u32 unused_070[(0x090 - 0x074) / 4]; /* 0x074 */ + u32 rx_flow_ctrl; /* 0x090 */ + u32 unused_094[(0x0a0 - 0x094) / 4]; /* 0x094 */ + u32 rxq_ctrl0; /* 0x0a0 */ + u32 rxq_ctrl1; /* 0x0a4 */ + u32 rxq_ctrl2; /* 0x0a8 */ + u32 unused_0ac[(0x0dc - 0x0ac) / 4]; /* 0x0ac */ + u32 us_tic_counter; /* 0x0dc */ + u32 unused_0e0[(0x11c - 0x0e0) / 4]; /* 0x0e0 */ + u32 hw_feature0; /* 0x11c */ + u32 hw_feature1; /* 0x120 */ + u32 hw_feature2; /* 0x124 */ + u32 hw_feature3; /* 0x128 */ + u32 hw_feature4; /* 0x12c */ + u32 unused_130[(0x140 - 0x130) / 4]; /* 0x130 */ + u32 mac_extended_conf; /* 0x140 */ + u32 unused_144[(0x200 - 0x144) / 4]; /* 0x144 */ + u32 mdio_address; /* 0x200 */ + u32 mdio_data; /* 0x204 */ + u32 mdio_cont_write_addr; /* 0x208 */ + u32 mdio_cont_write_data; /* 0x20c */ + u32 mdio_cont_scan_port_enable; /* 0x210 */ + u32 mdio_intr_status; /* 0x214 */ + u32 mdio_intr_enable; /* 0x218 */ + u32 mdio_port_cnct_dsnct_status; /* 0x21c */ + u32 mdio_clause_22_port; /* 0x220 */ + u32 unused_224[(0x300 - 0x224) / 4]; /* 0x224 */ + u32 address0_high; /* 0x300 */ + u32 address0_low; /* 0x304 */ +}; + +#define XGMAC_TIMEOUT_100MS 100000 +#define XGMAC_MAC_CONF_SS_SHIFT 29 +#define XGMAC_MAC_CONF_SS_10G_XGMII 0 +#define XGMAC_MAC_CONF_SS_2_5G_GMII 2 +#define XGMAC_MAC_CONF_SS_1G_GMII 3 +#define XGMAC_MAC_CONF_SS_100M_MII 4 +#define XGMAC_MAC_CONF_SS_5G_XGMII 5 +#define XGMAC_MAC_CONF_SS_2_5G_XGMII 6 +#define XGMAC_MAC_CONF_SS_2_10M_MII 7 + +#define XGMAC_MAC_CONF_JD BIT(16) +#define XGMAC_MAC_CONF_JE BIT(8) +#define XGMAC_MAC_CONF_WD BIT(7) +#define XGMAC_MAC_CONF_GPSLCE BIT(6) +#define XGMAC_MAC_CONF_CST BIT(2) +#define XGMAC_MAC_CONF_ACS BIT(1) +#define XGMAC_MAC_CONF_TE BIT(0) +#define XGMAC_MAC_CONF_RE BIT(0) + +#define XGMAC_MAC_EXT_CONF_HD BIT(24) + +#define XGMAC_MAC_PACKET_FILTER_RA BIT(31) +#define XGMAC_MAC_PACKET_FILTER_PR BIT(0) + +#define XGMAC_MAC_Q0_TX_FLOW_CTRL_PT_SHIFT 16 +#define XGMAC_MAC_Q0_TX_FLOW_CTRL_PT_MASK GENMASK(15, 0) +#define XGMAC_MAC_Q0_TX_FLOW_CTRL_TFE BIT(1) + +#define XGMAC_MAC_RX_FLOW_CTRL_RFE BIT(0) +#define XGMAC_MAC_RXQ_CTRL0_RXQ0EN_SHIFT 0 +#define XGMAC_MAC_RXQ_CTRL0_RXQ0EN_MASK GENMASK(1, 0) +#define XGMAC_MAC_RXQ_CTRL0_RXQ0EN_NOT_ENABLED 0 +#define XGMAC_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_DCB 2 +#define XGMAC_MAC_RXQ_CTRL0_RXQ0EN_ENABLED_AV 1 + +#define XGMAC_MAC_RXQ_CTRL1_MCBCQEN BIT(15) + +#define XGMAC_MAC_RXQ_CTRL2_PSRQ0_SHIFT 0 +#define XGMAC_MAC_RXQ_CTRL2_PSRQ0_MASK GENMASK(7, 0) + +#define XGMAC_MAC_HW_FEATURE1_TXFIFOSIZE_SHIFT 6 +#define XGMAC_MAC_HW_FEATURE1_TXFIFOSIZE_MASK GENMASK(4, 0) +#define XGMAC_MAC_HW_FEATURE1_RXFIFOSIZE_SHIFT 0 +#define XGMAC_MAC_HW_FEATURE1_RXFIFOSIZE_MASK GENMASK(4, 0) + +#define XGMAC_MDIO_SINGLE_CMD_SHIFT 16 +#define XGMAC_MDIO_SINGLE_CMD_ADDR_CMD_READ 3 << XGMAC_MDIO_SINGLE_CMD_SHIFT +#define XGMAC_MDIO_SINGLE_CMD_ADDR_CMD_WRITE BIT(16) +#define XGMAC_MAC_MDIO_ADDRESS_PA_SHIFT 16 +#define XGMAC_MAC_MDIO_ADDRESS_PA_MASK GENMASK(15, 0) +#define XGMAC_MAC_MDIO_ADDRESS_DA_SHIFT 21 +#define XGMAC_MAC_MDIO_ADDRESS_CR_SHIFT 19 +#define XGMAC_MAC_MDIO_ADDRESS_CR_100_150 0 +#define XGMAC_MAC_MDIO_ADDRESS_CR_150_250 1 +#define XGMAC_MAC_MDIO_ADDRESS_CR_250_300 2 +#define XGMAC_MAC_MDIO_ADDRESS_CR_300_350 3 +#define XGMAC_MAC_MDIO_ADDRESS_CR_350_400 4 +#define XGMAC_MAC_MDIO_ADDRESS_CR_400_500 5 +#define XGMAC_MAC_MDIO_ADDRESS_SADDR BIT(18) +#define XGMAC_MAC_MDIO_ADDRESS_SBUSY BIT(22) +#define XGMAC_MAC_MDIO_REG_ADDR_C22P_MASK GENMASK(4, 0) +#define XGMAC_MAC_MDIO_DATA_GD_MASK GENMASK(15, 0) + +/* MTL Registers */ + +#define XGMAC_MTL_REGS_BASE 0x1000 + +struct xgmac_mtl_regs { + u32 mtl_operation_mode; /* 0x1000 */ + u32 unused_1004[(0x1030 - 0x1004) / 4]; /* 0x1004 */ + u32 mtl_rxq_dma_map0; /* 0x1030 */ + u32 mtl_rxq_dma_map1; /* 0x1034 */ + u32 mtl_rxq_dma_map2; /* 0x1038 */ + u32 mtl_rxq_dma_map3; /* 0x103c */ + u32 mtl_tc_prty_map0; /* 0x1040 */ + u32 mtl_tc_prty_map1; /* 0x1044 */ + u32 unused_1048[(0x1100 - 0x1048) / 4]; /* 0x1048 */ + u32 txq0_operation_mode; /* 0x1100 */ + u32 unused_1104; /* 0x1104 */ + u32 txq0_debug; /* 0x1108 */ + u32 unused_100c[(0x1118 - 0x110c) / 4]; /* 0x110c */ + u32 txq0_quantum_weight; /* 0x1118 */ + u32 unused_111c[(0x1140 - 0x111c) / 4]; /* 0x111c */ + u32 rxq0_operation_mode; /* 0x1140 */ + u32 unused_1144; /* 0x1144 */ + u32 rxq0_debug; /* 0x1148 */ +}; + +#define XGMAC_MTL_TXQ0_OPERATION_MODE_TQS_SHIFT 16 +#define XGMAC_MTL_TXQ0_OPERATION_MODE_TQS_MASK GENMASK(8, 0) +#define XGMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_SHIFT 2 +#define XGMAC_MTL_TXQ0_OPERATION_MODE_TXQEN_ENABLED 2 +#define XGMAC_MTL_TXQ0_OPERATION_MODE_TSF BIT(1) +#define XGMAC_MTL_TXQ0_OPERATION_MODE_FTQ BIT(0) + +#define XGMAC_MTL_TXQ0_DEBUG_TXQSTS BIT(4) +#define XGMAC_MTL_TXQ0_DEBUG_TRCSTS_SHIFT 1 +#define XGMAC_MTL_TXQ0_DEBUG_TRCSTS_MASK GENMASK(2, 0) +#define XGMAC_MTL_TXQ0_DEBUG_TRCSTS_READ_STATE 0x1 + +#define XGMAC_MTL_RXQ0_OPERATION_MODE_RQS_SHIFT 16 +#define XGMAC_MTL_RXQ0_OPERATION_MODE_RQS_MASK GENMASK(9, 0) +#define XGMAC_MTL_RXQ0_OPERATION_MODE_EHFC BIT(7) +#define XGMAC_MTL_RXQ0_OPERATION_MODE_RSF BIT(5) + +#define XGMAC_MTL_RXQ0_DEBUG_PRXQ_SHIFT 16 +#define XGMAC_MTL_RXQ0_DEBUG_PRXQ_MASK GENMASK(14, 0) +#define XGMAC_MTL_RXQ0_DEBUG_RXQSTS_SHIFT 4 +#define XGMAC_MTL_RXQ0_DEBUG_RXQSTS_MASK GENMASK(1, 0) + +/* DMA Registers */ + +#define XGMAC_DMA_REGS_BASE 0x3000 + +struct xgmac_dma_regs { + u32 mode; /* 0x3000 */ + u32 sysbus_mode; /* 0x3004 */ + u32 unused_3008[(0x3100 - 0x3008) / 4]; /* 0x3008 */ + u32 ch0_control; /* 0x3100 */ + u32 ch0_tx_control; /* 0x3104 */ + u32 ch0_rx_control; /* 0x3108 */ + u32 slot_func_control_status; /* 0x310c */ + u32 ch0_txdesc_list_haddress; /* 0x3110 */ + u32 ch0_txdesc_list_address; /* 0x3114 */ + u32 ch0_rxdesc_list_haddress; /* 0x3118 */ + u32 ch0_rxdesc_list_address; /* 0x311c */ + u32 unused_3120; /* 0x3120 */ + u32 ch0_txdesc_tail_pointer; /* 0x3124 */ + u32 unused_3128; /* 0x3128 */ + u32 ch0_rxdesc_tail_pointer; /* 0x312c */ + u32 ch0_txdesc_ring_length; /* 0x3130 */ + u32 ch0_rxdesc_ring_length; /* 0x3134 */ + u32 unused_3138[(0x3160 - 0x3138) / 4]; /* 0x3138 */ + u32 ch0_status; /* 0x3160 */ +}; + +#define XGMAC_DMA_MODE_SWR BIT(0) +#define XGMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_SHIFT 24 +#define XGMAC_DMA_SYSBUS_MODE_WR_OSR_LMT_MASK GENMASK(4, 0) +#define XGMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_SHIFT 16 +#define XGMAC_DMA_SYSBUS_MODE_RD_OSR_LMT_MASK GENMASK(4, 0) +#define XGMAC_DMA_SYSBUS_MODE_AAL BIT(12) +#define XGMAC_DMA_SYSBUS_MODE_EAME BIT(11) +#define XGMAC_DMA_SYSBUS_MODE_BLEN32 BIT(4) +#define XGMAC_DMA_SYSBUS_MODE_BLEN16 BIT(3) +#define XGMAC_DMA_SYSBUS_MODE_BLEN8 BIT(2) +#define XGMAC_DMA_SYSBUS_MODE_BLEN4 BIT(1) +#define XGMAC_DMA_SYSBUS_MODE_UNDEF BIT(0) + +#define XGMAC_DMA_CH0_CONTROL_DSL_SHIFT 18 +#define XGMAC_DMA_CH0_CONTROL_PBLX8 BIT(16) + +#define XGMAC_DMA_CH0_TX_CONTROL_TXPBL_SHIFT 16 +#define XGMAC_DMA_CH0_TX_CONTROL_TXPBL_MASK GENMASK(5, 0) +#define XGMAC_DMA_CH0_TX_CONTROL_OSP BIT(4) +#define XGMAC_DMA_CH0_TX_CONTROL_ST BIT(0) + +#define XGMAC_DMA_CH0_RX_CONTROL_RXPBL_SHIFT 16 +#define XGMAC_DMA_CH0_RX_CONTROL_RXPBL_MASK GENMASK(5, 0) +#define XGMAC_DMA_CH0_RX_CONTROL_RBSZ_SHIFT 4 +#define XGMAC_DMA_CH0_RX_CONTROL_RBSZ_MASK GENMASK(10, 0) +#define XGMAC_DMA_CH0_RX_CONTROL_SR BIT(0) + +/* Descriptors */ +#define XGMAC_DESCRIPTORS_TX 8 +#define XGMAC_DESCRIPTORS_RX 8 +#define XGMAC_BUFFER_ALIGN ARCH_DMA_MINALIGN +#define XGMAC_MAX_PACKET_SIZE ALIGN(1568, ARCH_DMA_MINALIGN) +#define XGMAC_RX_BUFFER_SIZE (XGMAC_DESCRIPTORS_RX * XGMAC_MAX_PACKET_SIZE) + +#define XGMAC_RDES3_PKT_LENGTH_MASK GENMASK(13, 0) + +struct xgmac_desc { + u32 des0; + u32 des1; + u32 des2; + u32 des3; +}; + +#define XGMAC_DESC3_OWN BIT(31) +#define XGMAC_DESC3_FD BIT(29) +#define XGMAC_DESC3_LD BIT(28) + +#define XGMAC_AXI_WIDTH_32 4 +#define XGMAC_AXI_WIDTH_64 8 +#define XGMAC_AXI_WIDTH_128 16 + +struct xgmac_config { + bool reg_access_always_ok; + int swr_wait; + int config_mac; + int config_mac_mdio; + unsigned int axi_bus_width; + phy_interface_t (*interface)(const struct udevice *dev); + struct xgmac_ops *ops; +}; + +struct xgmac_ops { + void (*xgmac_inval_desc)(void *desc); + void (*xgmac_flush_desc)(void *desc); + void (*xgmac_inval_buffer)(void *buf, size_t size); + void (*xgmac_flush_buffer)(void *buf, size_t size); + int (*xgmac_probe_resources)(struct udevice *dev); + int (*xgmac_remove_resources)(struct udevice *dev); + int (*xgmac_stop_resets)(struct udevice *dev); + int (*xgmac_start_resets)(struct udevice *dev); + int (*xgmac_stop_clks)(struct udevice *dev); + int (*xgmac_start_clks)(struct udevice *dev); + int (*xgmac_calibrate_pads)(struct udevice *dev); + int (*xgmac_disable_calibration)(struct udevice *dev); + int (*xgmac_get_enetaddr)(struct udevice *dev); +}; + +struct xgmac_priv { + struct udevice *dev; + const struct xgmac_config *config; + fdt_addr_t regs; + struct xgmac_mac_regs *mac_regs; + struct xgmac_mtl_regs *mtl_regs; + struct xgmac_dma_regs *dma_regs; + struct reset_ctl reset_ctl; + struct reset_ctl_bulk reset_bulk; + struct clk clk_common; + struct mii_dev *mii; + struct phy_device *phy; + ofnode phy_of_node; + void *syscon_phy; + u32 syscon_phy_regshift; + u32 max_speed; + void *tx_descs; + void *rx_descs; + int tx_desc_idx, rx_desc_idx; + unsigned int desc_size; + unsigned int desc_per_cacheline; + void *tx_dma_buf; + void *rx_dma_buf; + void *rx_pkt; + bool started; + bool reg_access_ok; + bool clk_ck_enabled; +}; + +void xgmac_inval_desc_generic(void *desc); +void xgmac_flush_desc_generic(void *desc); +void xgmac_inval_buffer_generic(void *buf, size_t size); +void xgmac_flush_buffer_generic(void *buf, size_t size); +int xgmac_null_ops(struct udevice *dev); + +extern struct xgmac_config xgmac_socfpga_config; |