developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | // Copyright (c) 2018-2019 MediaTek Inc. |
| 3 | |
| 4 | /* A library for configuring path from GMAC/GDM to target PHY |
| 5 | * |
| 6 | * Author: Sean Wang <sean.wang@mediatek.com> |
| 7 | * |
| 8 | */ |
| 9 | |
| 10 | #include <linux/phy.h> |
| 11 | #include <linux/regmap.h> |
| 12 | |
| 13 | #include "mtk_eth_soc.h" |
| 14 | |
| 15 | struct mtk_eth_muxc { |
| 16 | const char *name; |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 17 | u64 cap_bit; |
| 18 | int (*set_path)(struct mtk_eth *eth, u64 path); |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 19 | }; |
| 20 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 21 | static const char *mtk_eth_path_name(u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 22 | { |
| 23 | switch (path) { |
| 24 | case MTK_ETH_PATH_GMAC1_RGMII: |
| 25 | return "gmac1_rgmii"; |
| 26 | case MTK_ETH_PATH_GMAC1_TRGMII: |
| 27 | return "gmac1_trgmii"; |
| 28 | case MTK_ETH_PATH_GMAC1_SGMII: |
| 29 | return "gmac1_sgmii"; |
| 30 | case MTK_ETH_PATH_GMAC2_RGMII: |
| 31 | return "gmac2_rgmii"; |
| 32 | case MTK_ETH_PATH_GMAC2_SGMII: |
| 33 | return "gmac2_sgmii"; |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 34 | case MTK_ETH_PATH_GMAC2_XGMII: |
| 35 | return "gmac2_xgmii"; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 36 | case MTK_ETH_PATH_GMAC2_GEPHY: |
| 37 | return "gmac2_gephy"; |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 38 | case MTK_ETH_PATH_GMAC3_SGMII: |
| 39 | return "gmac3_sgmii"; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 40 | case MTK_ETH_PATH_GDM1_ESW: |
| 41 | return "gdm1_esw"; |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 42 | case MTK_ETH_PATH_GMAC1_USXGMII: |
| 43 | return "gmac1_usxgmii"; |
| 44 | case MTK_ETH_PATH_GMAC2_USXGMII: |
| 45 | return "gmac2_usxgmii"; |
| 46 | case MTK_ETH_PATH_GMAC3_USXGMII: |
| 47 | return "gmac3_usxgmii"; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 48 | default: |
| 49 | return "unknown path"; |
| 50 | } |
| 51 | } |
| 52 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 53 | static int set_mux_gdm1_to_gmac1_esw(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 54 | { |
| 55 | bool updated = true; |
| 56 | u32 val, mask, set; |
| 57 | |
| 58 | switch (path) { |
| 59 | case MTK_ETH_PATH_GMAC1_SGMII: |
| 60 | mask = ~(u32)MTK_MUX_TO_ESW; |
| 61 | set = 0; |
| 62 | break; |
| 63 | case MTK_ETH_PATH_GDM1_ESW: |
| 64 | mask = ~(u32)MTK_MUX_TO_ESW; |
| 65 | set = MTK_MUX_TO_ESW; |
| 66 | break; |
| 67 | default: |
| 68 | updated = false; |
| 69 | break; |
| 70 | }; |
| 71 | |
| 72 | if (updated) { |
| 73 | val = mtk_r32(eth, MTK_MAC_MISC); |
| 74 | val = (val & mask) | set; |
| 75 | mtk_w32(eth, val, MTK_MAC_MISC); |
| 76 | } |
| 77 | |
| 78 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 79 | mtk_eth_path_name(path), __func__, updated); |
| 80 | |
| 81 | return 0; |
| 82 | } |
| 83 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 84 | static int set_mux_gmac2_gmac0_to_gephy(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 85 | { |
| 86 | unsigned int val = 0; |
| 87 | bool updated = true; |
| 88 | |
| 89 | switch (path) { |
| 90 | case MTK_ETH_PATH_GMAC2_GEPHY: |
| 91 | val = ~(u32)GEPHY_MAC_SEL; |
| 92 | break; |
| 93 | default: |
| 94 | updated = false; |
| 95 | break; |
| 96 | } |
| 97 | |
| 98 | if (updated) |
| 99 | regmap_update_bits(eth->infra, INFRA_MISC2, GEPHY_MAC_SEL, val); |
| 100 | |
| 101 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 102 | mtk_eth_path_name(path), __func__, updated); |
| 103 | |
| 104 | return 0; |
| 105 | } |
| 106 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 107 | static int set_mux_u3_gmac2_to_qphy(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 108 | { |
developer | 255bba2 | 2021-07-27 15:16:33 +0800 | [diff] [blame] | 109 | unsigned int val = 0,mask=0,reg=0; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 110 | bool updated = true; |
| 111 | |
| 112 | switch (path) { |
| 113 | case MTK_ETH_PATH_GMAC2_SGMII: |
developer | 255bba2 | 2021-07-27 15:16:33 +0800 | [diff] [blame] | 114 | if (MTK_HAS_CAPS(eth->soc->caps, MTK_U3_COPHY_V2)) { |
| 115 | reg = USB_PHY_SWITCH_REG; |
| 116 | val = SGMII_QPHY_SEL; |
| 117 | mask = QPHY_SEL_MASK; |
| 118 | } else { |
| 119 | reg = INFRA_MISC2; |
| 120 | val = CO_QPHY_SEL; |
| 121 | mask = val; |
| 122 | } |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 123 | break; |
| 124 | default: |
| 125 | updated = false; |
| 126 | break; |
| 127 | } |
| 128 | |
| 129 | if (updated) |
developer | 255bba2 | 2021-07-27 15:16:33 +0800 | [diff] [blame] | 130 | regmap_update_bits(eth->infra, reg, mask, val); |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 131 | |
| 132 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 133 | mtk_eth_path_name(path), __func__, updated); |
| 134 | |
| 135 | return 0; |
| 136 | } |
| 137 | |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 138 | static int set_mux_gmac2_to_xgmii(struct mtk_eth *eth, u64 path) |
| 139 | { |
| 140 | unsigned int val = 0; |
| 141 | bool updated = true; |
| 142 | int mac_id = 0; |
| 143 | |
| 144 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 145 | mtk_eth_path_name(path), __func__, updated); |
| 146 | |
| 147 | spin_lock(ð->syscfg0_lock); |
| 148 | |
| 149 | regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
| 150 | |
| 151 | switch (path) { |
| 152 | case MTK_ETH_PATH_GMAC2_XGMII: |
| 153 | val &= ~(u32)SYSCFG0_SGMII_GMAC2_V2; |
| 154 | mac_id = MTK_GMAC2_ID; |
| 155 | break; |
| 156 | default: |
| 157 | updated = false; |
| 158 | break; |
| 159 | }; |
| 160 | |
| 161 | if (updated) |
| 162 | regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
| 163 | SYSCFG0_SGMII_MASK, val); |
| 164 | |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 165 | spin_unlock(ð->syscfg0_lock); |
| 166 | |
| 167 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 168 | mtk_eth_path_name(path), __func__, updated); |
| 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 173 | static int set_mux_gmac1_gmac2_to_sgmii_rgmii(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 174 | { |
| 175 | unsigned int val = 0; |
| 176 | bool updated = true; |
| 177 | |
developer | d82e837 | 2022-02-09 15:00:09 +0800 | [diff] [blame] | 178 | spin_lock(ð->syscfg0_lock); |
| 179 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 180 | switch (path) { |
| 181 | case MTK_ETH_PATH_GMAC1_SGMII: |
| 182 | val = SYSCFG0_SGMII_GMAC1; |
| 183 | break; |
| 184 | case MTK_ETH_PATH_GMAC2_SGMII: |
| 185 | val = SYSCFG0_SGMII_GMAC2; |
| 186 | break; |
| 187 | case MTK_ETH_PATH_GMAC1_RGMII: |
| 188 | case MTK_ETH_PATH_GMAC2_RGMII: |
| 189 | regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
| 190 | val &= SYSCFG0_SGMII_MASK; |
| 191 | |
developer | 8b6f240 | 2022-11-28 13:42:34 +0800 | [diff] [blame] | 192 | if ((path == MTK_ETH_PATH_GMAC1_RGMII && |
| 193 | val == SYSCFG0_SGMII_GMAC1) || |
| 194 | (path == MTK_ETH_PATH_GMAC2_RGMII && |
| 195 | val == SYSCFG0_SGMII_GMAC2)) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 196 | val = 0; |
| 197 | else |
| 198 | updated = false; |
| 199 | break; |
| 200 | default: |
| 201 | updated = false; |
| 202 | break; |
| 203 | }; |
| 204 | |
| 205 | if (updated) |
| 206 | regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
| 207 | SYSCFG0_SGMII_MASK, val); |
| 208 | |
developer | d82e837 | 2022-02-09 15:00:09 +0800 | [diff] [blame] | 209 | spin_unlock(ð->syscfg0_lock); |
| 210 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 211 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 212 | mtk_eth_path_name(path), __func__, updated); |
| 213 | |
| 214 | return 0; |
| 215 | } |
| 216 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 217 | static int set_mux_gmac123_to_usxgmii(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 218 | { |
| 219 | unsigned int val = 0; |
| 220 | bool updated = true; |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 221 | int mac_id = 0; |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 222 | |
| 223 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 224 | mtk_eth_path_name(path), __func__, updated); |
| 225 | |
| 226 | /* Disable SYSCFG1 SGMII */ |
| 227 | regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
| 228 | |
| 229 | switch (path) { |
| 230 | case MTK_ETH_PATH_GMAC1_USXGMII: |
| 231 | val &= ~(u32)SYSCFG0_SGMII_GMAC1_V2; |
| 232 | mac_id = MTK_GMAC1_ID; |
| 233 | break; |
| 234 | case MTK_ETH_PATH_GMAC2_USXGMII: |
| 235 | val &= ~(u32)SYSCFG0_SGMII_GMAC2_V2; |
| 236 | mac_id = MTK_GMAC2_ID; |
| 237 | break; |
| 238 | case MTK_ETH_PATH_GMAC3_USXGMII: |
| 239 | val &= ~(u32)SYSCFG0_SGMII_GMAC3_V2; |
| 240 | mac_id = MTK_GMAC3_ID; |
| 241 | break; |
| 242 | default: |
| 243 | updated = false; |
| 244 | }; |
| 245 | |
| 246 | if (updated) { |
| 247 | regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
| 248 | SYSCFG0_SGMII_MASK, val); |
| 249 | |
| 250 | if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V3) && |
| 251 | mac_id == MTK_GMAC2_ID) { |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 252 | regmap_update_bits(eth->infra, |
| 253 | TOP_MISC_NETSYS_PCS_MUX, |
| 254 | NETSYS_PCS_MUX_MASK, |
| 255 | MUX_G2_USXGMII_SEL); |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 256 | } |
| 257 | } |
| 258 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 259 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 260 | mtk_eth_path_name(path), __func__, updated); |
| 261 | |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
| 266 | static int set_mux_gmac123_to_gephy_sgmii(struct mtk_eth *eth, u64 path) |
| 267 | { |
| 268 | unsigned int val = 0; |
| 269 | bool updated = true; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 270 | |
developer | d82e837 | 2022-02-09 15:00:09 +0800 | [diff] [blame] | 271 | spin_lock(ð->syscfg0_lock); |
| 272 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 273 | regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
| 274 | |
| 275 | switch (path) { |
| 276 | case MTK_ETH_PATH_GMAC1_SGMII: |
| 277 | val |= SYSCFG0_SGMII_GMAC1_V2; |
| 278 | break; |
| 279 | case MTK_ETH_PATH_GMAC2_GEPHY: |
| 280 | val &= ~(u32)SYSCFG0_SGMII_GMAC2_V2; |
| 281 | break; |
| 282 | case MTK_ETH_PATH_GMAC2_SGMII: |
| 283 | val |= SYSCFG0_SGMII_GMAC2_V2; |
| 284 | break; |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 285 | case MTK_ETH_PATH_GMAC3_SGMII: |
| 286 | val |= SYSCFG0_SGMII_GMAC3_V2; |
| 287 | break; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 288 | default: |
| 289 | updated = false; |
| 290 | }; |
| 291 | |
| 292 | if (updated) |
| 293 | regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
| 294 | SYSCFG0_SGMII_MASK, val); |
| 295 | |
developer | d82e837 | 2022-02-09 15:00:09 +0800 | [diff] [blame] | 296 | spin_unlock(ð->syscfg0_lock); |
| 297 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 298 | dev_dbg(eth->dev, "path %s in %s updated = %d\n", |
| 299 | mtk_eth_path_name(path), __func__, updated); |
| 300 | |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | static const struct mtk_eth_muxc mtk_eth_muxc[] = { |
| 305 | { |
| 306 | .name = "mux_gdm1_to_gmac1_esw", |
| 307 | .cap_bit = MTK_ETH_MUX_GDM1_TO_GMAC1_ESW, |
| 308 | .set_path = set_mux_gdm1_to_gmac1_esw, |
| 309 | }, { |
| 310 | .name = "mux_gmac2_gmac0_to_gephy", |
| 311 | .cap_bit = MTK_ETH_MUX_GMAC2_GMAC0_TO_GEPHY, |
| 312 | .set_path = set_mux_gmac2_gmac0_to_gephy, |
| 313 | }, { |
| 314 | .name = "mux_u3_gmac2_to_qphy", |
| 315 | .cap_bit = MTK_ETH_MUX_U3_GMAC2_TO_QPHY, |
| 316 | .set_path = set_mux_u3_gmac2_to_qphy, |
| 317 | }, { |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 318 | .name = "mux_gmac2_to_xgmii", |
| 319 | .cap_bit = MTK_ETH_MUX_GMAC2_TO_XGMII, |
| 320 | .set_path = set_mux_gmac2_to_xgmii, |
| 321 | }, { |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 322 | .name = "mux_gmac1_gmac2_to_sgmii_rgmii", |
| 323 | .cap_bit = MTK_ETH_MUX_GMAC1_GMAC2_TO_SGMII_RGMII, |
| 324 | .set_path = set_mux_gmac1_gmac2_to_sgmii_rgmii, |
| 325 | }, { |
| 326 | .name = "mux_gmac12_to_gephy_sgmii", |
| 327 | .cap_bit = MTK_ETH_MUX_GMAC12_TO_GEPHY_SGMII, |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 328 | .set_path = set_mux_gmac123_to_gephy_sgmii, |
| 329 | }, { |
| 330 | .name = "mux_gmac123_to_gephy_sgmii", |
| 331 | .cap_bit = MTK_ETH_MUX_GMAC123_TO_GEPHY_SGMII, |
| 332 | .set_path = set_mux_gmac123_to_gephy_sgmii, |
| 333 | }, { |
| 334 | .name = "mux_gmac123_to_usxgmii", |
| 335 | .cap_bit = MTK_ETH_MUX_GMAC123_TO_USXGMII, |
| 336 | .set_path = set_mux_gmac123_to_usxgmii, |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 337 | }, |
| 338 | }; |
| 339 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 340 | static int mtk_eth_mux_setup(struct mtk_eth *eth, u64 path) |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 341 | { |
| 342 | int i, err = 0; |
| 343 | |
| 344 | if (!MTK_HAS_CAPS(eth->soc->caps, path)) { |
| 345 | dev_err(eth->dev, "path %s isn't support on the SoC\n", |
| 346 | mtk_eth_path_name(path)); |
| 347 | return -EINVAL; |
| 348 | } |
| 349 | |
| 350 | if (!MTK_HAS_CAPS(eth->soc->caps, MTK_MUX)) |
| 351 | return 0; |
| 352 | |
| 353 | /* Setup MUX in path fabric */ |
| 354 | for (i = 0; i < ARRAY_SIZE(mtk_eth_muxc); i++) { |
| 355 | if (MTK_HAS_CAPS(eth->soc->caps, mtk_eth_muxc[i].cap_bit)) { |
| 356 | err = mtk_eth_muxc[i].set_path(eth, path); |
| 357 | if (err) |
| 358 | goto out; |
| 359 | } else { |
| 360 | dev_dbg(eth->dev, "mux %s isn't present on the SoC\n", |
| 361 | mtk_eth_muxc[i].name); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | out: |
| 366 | return err; |
| 367 | } |
| 368 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 369 | int mtk_gmac_usxgmii_path_setup(struct mtk_eth *eth, int mac_id) |
| 370 | { |
| 371 | int err; |
| 372 | u64 path; |
| 373 | |
| 374 | path = (mac_id == MTK_GMAC1_ID) ? MTK_ETH_PATH_GMAC1_USXGMII : |
| 375 | (mac_id == MTK_GMAC2_ID) ? MTK_ETH_PATH_GMAC2_USXGMII : |
| 376 | MTK_ETH_PATH_GMAC3_USXGMII; |
| 377 | |
| 378 | dev_err(eth->dev, "%s path %s in\n", __func__, |
| 379 | mtk_eth_path_name(path)); |
| 380 | |
| 381 | /* Setup proper MUXes along the path */ |
| 382 | err = mtk_eth_mux_setup(eth, path); |
| 383 | if (err) |
| 384 | return err; |
| 385 | |
| 386 | return 0; |
| 387 | } |
| 388 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 389 | int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id) |
| 390 | { |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 391 | int err; |
| 392 | u64 path; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 393 | |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 394 | path = (mac_id == MTK_GMAC1_ID) ? MTK_ETH_PATH_GMAC1_SGMII : |
| 395 | (mac_id == MTK_GMAC2_ID) ? MTK_ETH_PATH_GMAC2_SGMII : |
| 396 | MTK_ETH_PATH_GMAC3_SGMII; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 397 | |
| 398 | /* Setup proper MUXes along the path */ |
| 399 | err = mtk_eth_mux_setup(eth, path); |
| 400 | if (err) |
| 401 | return err; |
| 402 | |
| 403 | return 0; |
| 404 | } |
| 405 | |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 406 | int mtk_gmac_xgmii_path_setup(struct mtk_eth *eth, int mac_id) |
| 407 | { |
| 408 | int err; |
developer | 543e792 | 2022-12-01 11:24:47 +0800 | [diff] [blame] | 409 | u64 path = 0; |
developer | 30e13e7 | 2022-11-03 10:21:24 +0800 | [diff] [blame] | 410 | |
| 411 | if (mac_id == 1) |
| 412 | path = MTK_ETH_PATH_GMAC2_XGMII; |
| 413 | |
| 414 | if (!path) |
| 415 | return -EINVAL; |
| 416 | |
| 417 | /* Setup proper MUXes along the path */ |
| 418 | err = mtk_eth_mux_setup(eth, path); |
| 419 | if (err) |
| 420 | return err; |
| 421 | |
| 422 | return 0; |
| 423 | } |
| 424 | |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 425 | int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id) |
| 426 | { |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 427 | int err; |
| 428 | u64 path = 0; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 429 | |
| 430 | if (mac_id == 1) |
| 431 | path = MTK_ETH_PATH_GMAC2_GEPHY; |
| 432 | |
| 433 | if (!path) |
| 434 | return -EINVAL; |
| 435 | |
| 436 | /* Setup proper MUXes along the path */ |
| 437 | err = mtk_eth_mux_setup(eth, path); |
| 438 | if (err) |
| 439 | return err; |
| 440 | |
| 441 | return 0; |
| 442 | } |
| 443 | |
| 444 | int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id) |
| 445 | { |
developer | 089e885 | 2022-09-28 14:43:46 +0800 | [diff] [blame] | 446 | int err; |
| 447 | u64 path; |
developer | fd40db2 | 2021-04-29 10:08:25 +0800 | [diff] [blame] | 448 | |
| 449 | path = (mac_id == 0) ? MTK_ETH_PATH_GMAC1_RGMII : |
| 450 | MTK_ETH_PATH_GMAC2_RGMII; |
| 451 | |
| 452 | /* Setup proper MUXes along the path */ |
| 453 | err = mtk_eth_mux_setup(eth, path); |
| 454 | if (err) |
| 455 | return err; |
| 456 | |
| 457 | return 0; |
| 458 | } |
| 459 | |