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 <peppe.cavallaro@st.com> 10 *******************************************************************************/ 11 12 #ifndef __STMMAC_PLATFORM_DATA 13 #define __STMMAC_PLATFORM_DATA 14 15 #include <linux/platform_device.h> 16 #include <linux/phy.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/122 */ 37 38 /* MTL algorithms identifiers */ 39 #define MTL_TX_ALGORITHM_WRR 0x0 40 #define MTL_TX_ALGORITHM_WFQ 0x1 41 #define MTL_TX_ALGORITHM_DWRR 0x2 42 #define MTL_TX_ALGORITHM_SP 0x3 43 #define MTL_RX_ALGORITHM_SP 0x4 44 #define MTL_RX_ALGORITHM_WSP 0x5 45 46 /* RX/TX Queue Mode */ 47 #define MTL_QUEUE_AVB 0x0 48 #define MTL_QUEUE_DCB 0x1 49 50 /* The MDC clock could be set higher than the IEEE 802.3 51 * specified frequency limit 0f 2.5 MHz, by programming a clock divider 52 * of value different than the above defined values. The resultant MDIO 53 * clock frequency of 12.5 MHz is applicable for the interfacing chips 54 * supporting higher MDC clocks. 55 * The MDC clock selection macros need to be defined for MDC clock rate 56 * of 12.5 MHz, corresponding to the following selection. 57 */ 58 #define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */ 59 #define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */ 60 #define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */ 61 #define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */ 62 #define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */ 63 #define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */ 64 #define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */ 65 #define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */ 66 67 /* AXI DMA Burst length supported */ 68 #define DMA_AXI_BLEN_4 (1 << 1) 69 #define DMA_AXI_BLEN_8 (1 << 2) 70 #define DMA_AXI_BLEN_16 (1 << 3) 71 #define DMA_AXI_BLEN_32 (1 << 4) 72 #define DMA_AXI_BLEN_64 (1 << 5) 73 #define DMA_AXI_BLEN_128 (1 << 6) 74 #define DMA_AXI_BLEN_256 (1 << 7) 75 #define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \ 76 | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \ 77 | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256) 78 79 /* Platfrom data for platform device structure's platform_data field */ 80 81 struct stmmac_mdio_bus_data { 82 unsigned int phy_mask; 83 unsigned int has_xpcs; 84 unsigned int xpcs_an_inband; 85 int *irqs; 86 int probed_phy_irq; 87 bool needs_reset; 88 }; 89 90 struct stmmac_dma_cfg { 91 int pbl; 92 int txpbl; 93 int rxpbl; 94 bool pblx8; 95 int fixed_burst; 96 int mixed_burst; 97 bool aal; 98 bool eame; 99 bool multi_msi_en; 100 }; 101 102 #define AXI_BLEN 7 103 struct stmmac_axi { 104 bool axi_lpi_en; 105 bool axi_xit_frm; 106 u32 axi_wr_osr_lmt; 107 u32 axi_rd_osr_lmt; 108 bool axi_kbbe; 109 u32 axi_blen[AXI_BLEN]; 110 bool axi_fb; 111 bool axi_mb; 112 bool axi_rb; 113 }; 114 115 #define EST_GCL 1024 116 struct stmmac_est { 117 int enable; 118 u32 btr_offset[2]; 119 u32 btr[2]; 120 u32 ctr[2]; 121 u32 ter; 122 u32 gcl_unaligned[EST_GCL]; 123 u32 gcl[EST_GCL]; 124 u32 gcl_size; 125 }; 126 127 struct stmmac_rxq_cfg { 128 u8 mode_to_use; 129 u32 chan; 130 u8 pkt_route; 131 bool use_prio; 132 u32 prio; 133 }; 134 135 struct stmmac_txq_cfg { 136 u32 weight; 137 u8 mode_to_use; 138 /* Credit Base Shaper parameters */ 139 u32 send_slope; 140 u32 idle_slope; 141 u32 high_credit; 142 u32 low_credit; 143 bool use_prio; 144 u32 prio; 145 int tbs_en; 146 }; 147 148 /* FPE link state */ 149 enum stmmac_fpe_state { 150 FPE_STATE_OFF = 0, 151 FPE_STATE_CAPABLE = 1, 152 FPE_STATE_ENTERING_ON = 2, 153 FPE_STATE_ON = 3, 154 }; 155 156 /* FPE link-partner hand-shaking mPacket type */ 157 enum stmmac_mpacket_type { 158 MPACKET_VERIFY = 0, 159 MPACKET_RESPONSE = 1, 160 }; 161 162 enum stmmac_fpe_task_state_t { 163 __FPE_REMOVING, 164 __FPE_TASK_SCHED, 165 }; 166 167 struct stmmac_fpe_cfg { 168 bool enable; /* FPE enable */ 169 bool hs_enable; /* FPE handshake enable */ 170 enum stmmac_fpe_state lp_fpe_state; /* Link Partner FPE state */ 171 enum stmmac_fpe_state lo_fpe_state; /* Local station FPE state */ 172 }; 173 174 struct plat_stmmacenet_data { 175 int bus_id; 176 int phy_addr; 177 int interface; 178 phy_interface_t phy_interface; 179 struct stmmac_mdio_bus_data *mdio_bus_data; 180 struct device_node *phy_node; 181 struct device_node *phylink_node; 182 struct device_node *mdio_node; 183 struct stmmac_dma_cfg *dma_cfg; 184 struct stmmac_est *est; 185 struct stmmac_fpe_cfg *fpe_cfg; 186 int clk_csr; 187 int has_gmac; 188 int enh_desc; 189 int tx_coe; 190 int rx_coe; 191 int bugged_jumbo; 192 int pmt; 193 int force_sf_dma_mode; 194 int force_thresh_dma_mode; 195 int riwt_off; 196 int max_speed; 197 int maxmtu; 198 int multicast_filter_bins; 199 int unicast_filter_entries; 200 int tx_fifo_size; 201 int rx_fifo_size; 202 u32 addr64; 203 u32 rx_queues_to_use; 204 u32 tx_queues_to_use; 205 u8 rx_sched_algorithm; 206 u8 tx_sched_algorithm; 207 struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES]; 208 struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES]; 209 void (*fix_mac_speed)(void *priv, unsigned int speed); 210 int (*serdes_powerup)(struct net_device *ndev, void *priv); 211 void (*serdes_powerdown)(struct net_device *ndev, void *priv); 212 void (*ptp_clk_freq_config)(void *priv); 213 int (*init)(struct platform_device *pdev, void *priv); 214 void (*exit)(struct platform_device *pdev, void *priv); 215 struct mac_device_info *(*setup)(void *priv); 216 int (*clks_config)(void *priv, bool enabled); 217 int (*crosststamp)(ktime_t *device, struct system_counterval_t *system, 218 void *ctx); 219 void *bsp_priv; 220 struct clk *stmmac_clk; 221 struct clk *pclk; 222 struct clk *clk_ptp_ref; 223 unsigned int clk_ptp_rate; 224 unsigned int clk_ref_rate; 225 s32 ptp_max_adj; 226 struct reset_control *stmmac_rst; 227 struct stmmac_axi *axi; 228 int has_gmac4; 229 bool has_sun8i; 230 bool tso_en; 231 int rss_en; 232 int mac_port_sel_speed; 233 bool en_tx_lpi_clockgating; 234 int has_xgmac; 235 bool vlan_fail_q_en; 236 u8 vlan_fail_q; 237 unsigned int eee_usecs_rate; 238 struct pci_dev *pdev; 239 bool has_crossts; 240 int int_snapshot_num; 241 bool multi_msi_en; 242 int msi_mac_vec; 243 int msi_wol_vec; 244 int msi_lpi_vec; 245 int msi_sfty_ce_vec; 246 int msi_sfty_ue_vec; 247 int msi_rx_base_vec; 248 int msi_tx_base_vec; 249 }; 250 #endif 251