| 1 | /* |
| 2 | * Copyright (c) 2014-2015 Hisilicon Limited. |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #include "hns_dsaf_misc.h" |
| 11 | #include "hns_dsaf_mac.h" |
| 12 | #include "hns_dsaf_reg.h" |
| 13 | #include "hns_dsaf_ppe.h" |
| 14 | |
| 15 | void hns_cpld_set_led(struct hns_mac_cb *mac_cb, int link_status, |
| 16 | u16 speed, int data) |
| 17 | { |
| 18 | int speed_reg = 0; |
| 19 | u8 value; |
| 20 | |
| 21 | if (!mac_cb) { |
| 22 | pr_err("sfp_led_opt mac_dev is null!\n"); |
| 23 | return; |
| 24 | } |
| 25 | if (!mac_cb->cpld_vaddr) { |
| 26 | dev_err(mac_cb->dev, "mac_id=%d, cpld_vaddr is null !\n", |
| 27 | mac_cb->mac_id); |
| 28 | return; |
| 29 | } |
| 30 | |
| 31 | if (speed == MAC_SPEED_10000) |
| 32 | speed_reg = 1; |
| 33 | |
| 34 | value = mac_cb->cpld_led_value; |
| 35 | |
| 36 | if (link_status) { |
| 37 | dsaf_set_bit(value, DSAF_LED_LINK_B, link_status); |
| 38 | dsaf_set_field(value, DSAF_LED_SPEED_M, |
| 39 | DSAF_LED_SPEED_S, speed_reg); |
| 40 | dsaf_set_bit(value, DSAF_LED_DATA_B, data); |
| 41 | |
| 42 | if (value != mac_cb->cpld_led_value) { |
| 43 | dsaf_write_b(mac_cb->cpld_vaddr, value); |
| 44 | mac_cb->cpld_led_value = value; |
| 45 | } |
| 46 | } else { |
| 47 | dsaf_write_b(mac_cb->cpld_vaddr, CPLD_LED_DEFAULT_VALUE); |
| 48 | mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | void cpld_led_reset(struct hns_mac_cb *mac_cb) |
| 53 | { |
| 54 | if (!mac_cb || !mac_cb->cpld_vaddr) |
| 55 | return; |
| 56 | |
| 57 | dsaf_write_b(mac_cb->cpld_vaddr, CPLD_LED_DEFAULT_VALUE); |
| 58 | mac_cb->cpld_led_value = CPLD_LED_DEFAULT_VALUE; |
| 59 | } |
| 60 | |
| 61 | int cpld_set_led_id(struct hns_mac_cb *mac_cb, |
| 62 | enum hnae_led_state status) |
| 63 | { |
| 64 | switch (status) { |
| 65 | case HNAE_LED_ACTIVE: |
| 66 | mac_cb->cpld_led_value = dsaf_read_b(mac_cb->cpld_vaddr); |
| 67 | dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B, |
| 68 | CPLD_LED_ON_VALUE); |
| 69 | dsaf_write_b(mac_cb->cpld_vaddr, mac_cb->cpld_led_value); |
| 70 | return 2; |
| 71 | case HNAE_LED_INACTIVE: |
| 72 | dsaf_set_bit(mac_cb->cpld_led_value, DSAF_LED_ANCHOR_B, |
| 73 | CPLD_LED_DEFAULT_VALUE); |
| 74 | dsaf_write_b(mac_cb->cpld_vaddr, mac_cb->cpld_led_value); |
| 75 | break; |
| 76 | default: |
| 77 | break; |
| 78 | } |
| 79 | |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | #define RESET_REQ_OR_DREQ 1 |
| 84 | |
| 85 | void hns_dsaf_rst(struct dsaf_device *dsaf_dev, u32 val) |
| 86 | { |
| 87 | u32 xbar_reg_addr; |
| 88 | u32 nt_reg_addr; |
| 89 | |
| 90 | if (!val) { |
| 91 | xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_REQ_REG; |
| 92 | nt_reg_addr = DSAF_SUB_SC_NT_RESET_REQ_REG; |
| 93 | } else { |
| 94 | xbar_reg_addr = DSAF_SUB_SC_XBAR_RESET_DREQ_REG; |
| 95 | nt_reg_addr = DSAF_SUB_SC_NT_RESET_DREQ_REG; |
| 96 | } |
| 97 | |
| 98 | dsaf_write_reg(dsaf_dev->sc_base, xbar_reg_addr, |
| 99 | RESET_REQ_OR_DREQ); |
| 100 | dsaf_write_reg(dsaf_dev->sc_base, nt_reg_addr, |
| 101 | RESET_REQ_OR_DREQ); |
| 102 | } |
| 103 | |
| 104 | void hns_dsaf_xge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) |
| 105 | { |
| 106 | u32 reg_val = 0; |
| 107 | u32 reg_addr; |
| 108 | |
| 109 | if (port >= DSAF_XGE_NUM) |
| 110 | return; |
| 111 | |
| 112 | reg_val |= RESET_REQ_OR_DREQ; |
| 113 | reg_val |= 0x2082082 << port; |
| 114 | |
| 115 | if (val == 0) |
| 116 | reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; |
| 117 | else |
| 118 | reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; |
| 119 | |
| 120 | dsaf_write_reg(dsaf_dev->sc_base, reg_addr, reg_val); |
| 121 | } |
| 122 | |
| 123 | void hns_dsaf_xge_core_srst_by_port(struct dsaf_device *dsaf_dev, |
| 124 | u32 port, u32 val) |
| 125 | { |
| 126 | u32 reg_val = 0; |
| 127 | u32 reg_addr; |
| 128 | |
| 129 | if (port >= DSAF_XGE_NUM) |
| 130 | return; |
| 131 | |
| 132 | reg_val |= XGMAC_TRX_CORE_SRST_M << port; |
| 133 | |
| 134 | if (val == 0) |
| 135 | reg_addr = DSAF_SUB_SC_XGE_RESET_REQ_REG; |
| 136 | else |
| 137 | reg_addr = DSAF_SUB_SC_XGE_RESET_DREQ_REG; |
| 138 | |
| 139 | dsaf_write_reg(dsaf_dev->sc_base, reg_addr, reg_val); |
| 140 | } |
| 141 | |
| 142 | void hns_dsaf_ge_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) |
| 143 | { |
| 144 | u32 reg_val_1; |
| 145 | u32 reg_val_2; |
| 146 | |
| 147 | if (port >= DSAF_GE_NUM) |
| 148 | return; |
| 149 | |
| 150 | if (port < DSAF_SERVICE_NW_NUM) { |
| 151 | reg_val_1 = 0x1 << port; |
| 152 | /* there is difference between V1 and V2 in register.*/ |
| 153 | if (AE_IS_VER1(dsaf_dev->dsaf_ver)) |
| 154 | reg_val_2 = 0x1041041 << port; |
| 155 | else |
| 156 | reg_val_2 = 0x2082082 << port; |
| 157 | |
| 158 | if (val == 0) { |
| 159 | dsaf_write_reg(dsaf_dev->sc_base, |
| 160 | DSAF_SUB_SC_GE_RESET_REQ1_REG, |
| 161 | reg_val_1); |
| 162 | |
| 163 | dsaf_write_reg(dsaf_dev->sc_base, |
| 164 | DSAF_SUB_SC_GE_RESET_REQ0_REG, |
| 165 | reg_val_2); |
| 166 | } else { |
| 167 | dsaf_write_reg(dsaf_dev->sc_base, |
| 168 | DSAF_SUB_SC_GE_RESET_DREQ0_REG, |
| 169 | reg_val_2); |
| 170 | |
| 171 | dsaf_write_reg(dsaf_dev->sc_base, |
| 172 | DSAF_SUB_SC_GE_RESET_DREQ1_REG, |
| 173 | reg_val_1); |
| 174 | } |
| 175 | } else { |
| 176 | reg_val_1 = 0x15540 << (port - 6); |
| 177 | reg_val_2 = 0x100 << (port - 6); |
| 178 | |
| 179 | if (val == 0) { |
| 180 | dsaf_write_reg(dsaf_dev->sc_base, |
| 181 | DSAF_SUB_SC_GE_RESET_REQ1_REG, |
| 182 | reg_val_1); |
| 183 | |
| 184 | dsaf_write_reg(dsaf_dev->sc_base, |
| 185 | DSAF_SUB_SC_PPE_RESET_REQ_REG, |
| 186 | reg_val_2); |
| 187 | } else { |
| 188 | dsaf_write_reg(dsaf_dev->sc_base, |
| 189 | DSAF_SUB_SC_GE_RESET_DREQ1_REG, |
| 190 | reg_val_1); |
| 191 | |
| 192 | dsaf_write_reg(dsaf_dev->sc_base, |
| 193 | DSAF_SUB_SC_PPE_RESET_DREQ_REG, |
| 194 | reg_val_2); |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | void hns_ppe_srst_by_port(struct dsaf_device *dsaf_dev, u32 port, u32 val) |
| 200 | { |
| 201 | u32 reg_val = 0; |
| 202 | u32 reg_addr; |
| 203 | |
| 204 | reg_val |= RESET_REQ_OR_DREQ << port; |
| 205 | |
| 206 | if (val == 0) |
| 207 | reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG; |
| 208 | else |
| 209 | reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG; |
| 210 | |
| 211 | dsaf_write_reg(dsaf_dev->sc_base, reg_addr, reg_val); |
| 212 | } |
| 213 | |
| 214 | void hns_ppe_com_srst(struct ppe_common_cb *ppe_common, u32 val) |
| 215 | { |
| 216 | int comm_index = ppe_common->comm_index; |
| 217 | struct dsaf_device *dsaf_dev = ppe_common->dsaf_dev; |
| 218 | u32 reg_val; |
| 219 | u32 reg_addr; |
| 220 | |
| 221 | if (comm_index == HNS_DSAF_COMM_SERVICE_NW_IDX) { |
| 222 | reg_val = RESET_REQ_OR_DREQ; |
| 223 | if (val == 0) |
| 224 | reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_REQ_REG; |
| 225 | else |
| 226 | reg_addr = DSAF_SUB_SC_RCB_PPE_COM_RESET_DREQ_REG; |
| 227 | |
| 228 | } else { |
| 229 | reg_val = 0x100 << (comm_index - 1); |
| 230 | |
| 231 | if (val == 0) |
| 232 | reg_addr = DSAF_SUB_SC_PPE_RESET_REQ_REG; |
| 233 | else |
| 234 | reg_addr = DSAF_SUB_SC_PPE_RESET_DREQ_REG; |
| 235 | } |
| 236 | |
| 237 | dsaf_write_reg(dsaf_dev->sc_base, reg_addr, reg_val); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * hns_mac_get_sds_mode - get phy ifterface form serdes mode |
| 242 | * @mac_cb: mac control block |
| 243 | * retuen phy interface |
| 244 | */ |
| 245 | phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb) |
| 246 | { |
| 247 | u32 mode; |
| 248 | u32 reg; |
| 249 | u32 shift; |
| 250 | bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver); |
| 251 | void __iomem *sys_ctl_vaddr = mac_cb->sys_ctl_vaddr; |
| 252 | int mac_id = mac_cb->mac_id; |
| 253 | phy_interface_t phy_if = PHY_INTERFACE_MODE_NA; |
| 254 | |
| 255 | if (is_ver1 && (mac_id >= 6 && mac_id <= 7)) { |
| 256 | phy_if = PHY_INTERFACE_MODE_SGMII; |
| 257 | } else if (mac_id >= 0 && mac_id <= 3) { |
| 258 | reg = is_ver1 ? HNS_MAC_HILINK4_REG : HNS_MAC_HILINK4V2_REG; |
| 259 | mode = dsaf_read_reg(sys_ctl_vaddr, reg); |
| 260 | /* mac_id 0, 1, 2, 3 ---> hilink4 lane 0, 1, 2, 3 */ |
| 261 | shift = is_ver1 ? 0 : mac_id; |
| 262 | if (dsaf_get_bit(mode, shift)) |
| 263 | phy_if = PHY_INTERFACE_MODE_XGMII; |
| 264 | else |
| 265 | phy_if = PHY_INTERFACE_MODE_SGMII; |
| 266 | } else if (mac_id >= 4 && mac_id <= 7) { |
| 267 | reg = is_ver1 ? HNS_MAC_HILINK3_REG : HNS_MAC_HILINK3V2_REG; |
| 268 | mode = dsaf_read_reg(sys_ctl_vaddr, reg); |
| 269 | /* mac_id 4, 5, 6, 7 ---> hilink3 lane 2, 3, 0, 1 */ |
| 270 | shift = is_ver1 ? 0 : mac_id <= 5 ? mac_id - 2 : mac_id - 6; |
| 271 | if (dsaf_get_bit(mode, shift)) |
| 272 | phy_if = PHY_INTERFACE_MODE_XGMII; |
| 273 | else |
| 274 | phy_if = PHY_INTERFACE_MODE_SGMII; |
| 275 | } |
| 276 | return phy_if; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * hns_mac_config_sds_loopback - set loop back for serdes |
| 281 | * @mac_cb: mac control block |
| 282 | * retuen 0 == success |
| 283 | */ |
| 284 | int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en) |
| 285 | { |
| 286 | /* port 0-3 hilink4 base is serdes_vaddr + 0x00280000 |
| 287 | * port 4-7 hilink3 base is serdes_vaddr + 0x00200000 |
| 288 | */ |
| 289 | u8 *base_addr = (u8 *)mac_cb->serdes_vaddr + |
| 290 | (mac_cb->mac_id <= 3 ? 0x00280000 : 0x00200000); |
| 291 | const u8 lane_id[] = { |
| 292 | 0, /* mac 0 -> lane 0 */ |
| 293 | 1, /* mac 1 -> lane 1 */ |
| 294 | 2, /* mac 2 -> lane 2 */ |
| 295 | 3, /* mac 3 -> lane 3 */ |
| 296 | 2, /* mac 4 -> lane 2 */ |
| 297 | 3, /* mac 5 -> lane 3 */ |
| 298 | 0, /* mac 6 -> lane 0 */ |
| 299 | 1 /* mac 7 -> lane 1 */ |
| 300 | }; |
| 301 | #define RX_CSR(lane, reg) ((0x4080 + (reg) * 0x0002 + (lane) * 0x0200) * 2) |
| 302 | u64 reg_offset = RX_CSR(lane_id[mac_cb->mac_id], 0); |
| 303 | |
| 304 | int sfp_prsnt; |
| 305 | int ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt); |
| 306 | |
| 307 | if (!mac_cb->phy_node) { |
| 308 | if (ret) |
| 309 | pr_info("please confirm sfp is present or not\n"); |
| 310 | else |
| 311 | if (!sfp_prsnt) |
| 312 | pr_info("no sfp in this eth\n"); |
| 313 | } |
| 314 | |
| 315 | dsaf_set_reg_field(base_addr, reg_offset, 1ull << 10, 10, !!en); |
| 316 | |
| 317 | return 0; |
| 318 | } |