1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /******************************************************************************* 3 4 Header file for stmmac platform data 5 6 Copyright (C) 2009 STMicroelectronics Ltd 7 8 9 Author: Giuseppe Cavallaro <[email protected]> 10 *******************************************************************************/ 11 12 #ifndef __STMMAC_PLATFORM_DATA 13 #define __STMMAC_PLATFORM_DATA 14 15 #include <linux/platform_device.h> 16 #include <linux/phylink.h> 17 18 #define MTL_MAX_RX_QUEUES 8 19 #define MTL_MAX_TX_QUEUES 8 20 #define STMMAC_CH_MAX 8 21 22 #define STMMAC_RX_COE_NONE 0 23 #define STMMAC_RX_COE_TYPE1 1 24 #define STMMAC_RX_COE_TYPE2 2 25 26 /* Define the macros for CSR clock range parameters to be passed by 27 * platform code. 28 * This could also be configured at run time using CPU freq framework. */ 29 30 /* MDC Clock Selection define*/ 31 #define STMMAC_CSR_60_100M 0x0 /* MDC = clk_scr_i/42 */ 32 #define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */ 33 #define STMMAC_CSR_20_35M 0x2 /* MDC = clk_scr_i/16 */ 34 #define STMMAC_CSR_35_60M 0x3 /* MDC = clk_scr_i/26 */ 35 #define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */ 36 #define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/124 */ 37 #define STMMAC_CSR_300_500M 0x6 /* MDC = clk_scr_i/204 */ 38 #define STMMAC_CSR_500_800M 0x7 /* MDC = clk_scr_i/324 */ 39 40 /* MTL algorithms identifiers */ 41 #define MTL_TX_ALGORITHM_WRR 0x0 42 #define MTL_TX_ALGORITHM_WFQ 0x1 43 #define MTL_TX_ALGORITHM_DWRR 0x2 44 #define MTL_TX_ALGORITHM_SP 0x3 45 #define MTL_RX_ALGORITHM_SP 0x4 46 #define MTL_RX_ALGORITHM_WSP 0x5 47 48 /* RX/TX Queue Mode */ 49 #define MTL_QUEUE_AVB 0x0 50 #define MTL_QUEUE_DCB 0x1 51 52 /* The MDC clock could be set higher than the IEEE 802.3 53 * specified frequency limit 0f 2.5 MHz, by programming a clock divider 54 * of value different than the above defined values. The resultant MDIO 55 * clock frequency of 12.5 MHz is applicable for the interfacing chips 56 * supporting higher MDC clocks. 57 * The MDC clock selection macros need to be defined for MDC clock rate 58 * of 12.5 MHz, corresponding to the following selection. 59 */ 60 #define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */ 61 #define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */ 62 #define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */ 63 #define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */ 64 #define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */ 65 #define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */ 66 #define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */ 67 #define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */ 68 69 /* AXI DMA Burst length supported */ 70 #define DMA_AXI_BLEN_4 (1 << 1) 71 #define DMA_AXI_BLEN_8 (1 << 2) 72 #define DMA_AXI_BLEN_16 (1 << 3) 73 #define DMA_AXI_BLEN_32 (1 << 4) 74 #define DMA_AXI_BLEN_64 (1 << 5) 75 #define DMA_AXI_BLEN_128 (1 << 6) 76 #define DMA_AXI_BLEN_256 (1 << 7) 77 #define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \ 78 | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \ 79 | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256) 80 81 struct stmmac_priv; 82 83 /* Platfrom data for platform device structure's platform_data field */ 84 85 struct stmmac_mdio_bus_data { 86 unsigned int phy_mask; 87 unsigned int pcs_mask; 88 unsigned int default_an_inband; 89 int *irqs; 90 int probed_phy_irq; 91 bool needs_reset; 92 }; 93 94 struct stmmac_dma_cfg { 95 int pbl; 96 int txpbl; 97 int rxpbl; 98 bool pblx8; 99 int fixed_burst; 100 int mixed_burst; 101 bool aal; 102 bool eame; 103 bool multi_msi_en; 104 bool dche; 105 bool atds; 106 }; 107 108 #define AXI_BLEN 7 109 struct stmmac_axi { 110 bool axi_lpi_en; 111 bool axi_xit_frm; 112 u32 axi_wr_osr_lmt; 113 u32 axi_rd_osr_lmt; 114 bool axi_kbbe; 115 u32 axi_blen[AXI_BLEN]; 116 bool axi_fb; 117 bool axi_mb; 118 bool axi_rb; 119 }; 120 121 struct stmmac_rxq_cfg { 122 u8 mode_to_use; 123 u32 chan; 124 u8 pkt_route; 125 bool use_prio; 126 u32 prio; 127 }; 128 129 struct stmmac_txq_cfg { 130 u32 weight; 131 bool coe_unsupported; 132 u8 mode_to_use; 133 /* Credit Base Shaper parameters */ 134 u32 send_slope; 135 u32 idle_slope; 136 u32 high_credit; 137 u32 low_credit; 138 bool use_prio; 139 u32 prio; 140 int tbs_en; 141 }; 142 143 struct stmmac_safety_feature_cfg { 144 u32 tsoee; 145 u32 mrxpee; 146 u32 mestee; 147 u32 mrxee; 148 u32 mtxee; 149 u32 epsi; 150 u32 edpp; 151 u32 prtyen; 152 u32 tmouten; 153 }; 154 155 /* Addresses that may be customized by a platform */ 156 struct dwmac4_addrs { 157 u32 dma_chan; 158 u32 dma_chan_offset; 159 u32 mtl_chan; 160 u32 mtl_chan_offset; 161 u32 mtl_ets_ctrl; 162 u32 mtl_ets_ctrl_offset; 163 u32 mtl_txq_weight; 164 u32 mtl_txq_weight_offset; 165 u32 mtl_send_slp_cred; 166 u32 mtl_send_slp_cred_offset; 167 u32 mtl_high_cred; 168 u32 mtl_high_cred_offset; 169 u32 mtl_low_cred; 170 u32 mtl_low_cred_offset; 171 }; 172 173 #define STMMAC_FLAG_HAS_INTEGRATED_PCS BIT(0) 174 #define STMMAC_FLAG_SPH_DISABLE BIT(1) 175 #define STMMAC_FLAG_USE_PHY_WOL BIT(2) 176 #define STMMAC_FLAG_HAS_SUN8I BIT(3) 177 #define STMMAC_FLAG_TSO_EN BIT(4) 178 #define STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP BIT(5) 179 #define STMMAC_FLAG_VLAN_FAIL_Q_EN BIT(6) 180 #define STMMAC_FLAG_MULTI_MSI_EN BIT(7) 181 #define STMMAC_FLAG_EXT_SNAPSHOT_EN BIT(8) 182 #define STMMAC_FLAG_INT_SNAPSHOT_EN BIT(9) 183 #define STMMAC_FLAG_RX_CLK_RUNS_IN_LPI BIT(10) 184 #define STMMAC_FLAG_EN_TX_LPI_CLOCKGATING BIT(11) 185 #define STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY BIT(12) 186 187 struct plat_stmmacenet_data { 188 int bus_id; 189 int phy_addr; 190 /* MAC ----- optional PCS ----- SerDes ----- optional PHY ----- Media 191 * ^ ^ 192 * mac_interface phy_interface 193 * 194 * mac_interface is the MAC-side interface, which may be the same 195 * as phy_interface if there is no intervening PCS. If there is a 196 * PCS, then mac_interface describes the interface mode between the 197 * MAC and PCS, and phy_interface describes the interface mode 198 * between the PCS and PHY. 199 */ 200 phy_interface_t mac_interface; 201 /* phy_interface is the PHY-side interface - the interface used by 202 * an attached PHY. 203 */ 204 phy_interface_t phy_interface; 205 struct stmmac_mdio_bus_data *mdio_bus_data; 206 struct device_node *phy_node; 207 struct fwnode_handle *port_node; 208 struct device_node *mdio_node; 209 struct stmmac_dma_cfg *dma_cfg; 210 struct stmmac_safety_feature_cfg *safety_feat_cfg; 211 int clk_csr; 212 int has_gmac; 213 int enh_desc; 214 int tx_coe; 215 int rx_coe; 216 int bugged_jumbo; 217 int pmt; 218 int force_sf_dma_mode; 219 int force_thresh_dma_mode; 220 int riwt_off; 221 int max_speed; 222 int maxmtu; 223 int multicast_filter_bins; 224 int unicast_filter_entries; 225 int tx_fifo_size; 226 int rx_fifo_size; 227 u32 host_dma_width; 228 u32 rx_queues_to_use; 229 u32 tx_queues_to_use; 230 u8 rx_sched_algorithm; 231 u8 tx_sched_algorithm; 232 struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES]; 233 struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES]; 234 void (*fix_mac_speed)(void *priv, unsigned int speed, unsigned int mode); 235 int (*fix_soc_reset)(void *priv, void __iomem *ioaddr); 236 int (*serdes_powerup)(struct net_device *ndev, void *priv); 237 void (*serdes_powerdown)(struct net_device *ndev, void *priv); 238 void (*speed_mode_2500)(struct net_device *ndev, void *priv); 239 void (*ptp_clk_freq_config)(struct stmmac_priv *priv); 240 int (*init)(struct platform_device *pdev, void *priv); 241 void (*exit)(struct platform_device *pdev, void *priv); 242 struct mac_device_info *(*setup)(void *priv); 243 int (*clks_config)(void *priv, bool enabled); 244 int (*crosststamp)(ktime_t *device, struct system_counterval_t *system, 245 void *ctx); 246 void (*dump_debug_regs)(void *priv); 247 int (*pcs_init)(struct stmmac_priv *priv); 248 void (*pcs_exit)(struct stmmac_priv *priv); 249 struct phylink_pcs *(*select_pcs)(struct stmmac_priv *priv, 250 phy_interface_t interface); 251 void *bsp_priv; 252 struct clk *stmmac_clk; 253 struct clk *pclk; 254 struct clk *clk_ptp_ref; 255 unsigned long clk_ptp_rate; 256 unsigned long clk_ref_rate; 257 unsigned int mult_fact_100ns; 258 s32 ptp_max_adj; 259 u32 cdc_error_adj; 260 struct reset_control *stmmac_rst; 261 struct reset_control *stmmac_ahb_rst; 262 struct stmmac_axi *axi; 263 int has_gmac4; 264 int rss_en; 265 int mac_port_sel_speed; 266 int has_xgmac; 267 u8 vlan_fail_q; 268 unsigned long eee_usecs_rate; 269 struct pci_dev *pdev; 270 int int_snapshot_num; 271 int msi_mac_vec; 272 int msi_wol_vec; 273 int msi_lpi_vec; 274 int msi_sfty_ce_vec; 275 int msi_sfty_ue_vec; 276 int msi_rx_base_vec; 277 int msi_tx_base_vec; 278 const struct dwmac4_addrs *dwmac4_addrs; 279 unsigned int flags; 280 }; 281 #endif 282