1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Copyright 2011-2015 Freescale Semiconductor, Inc. 4 */ 5 #include <errno.h> 6 #include <common.h> 7 #include <asm/io.h> 8 #include <fdt_support.h> 9 #include <fsl_mdio.h> 10 #ifdef CONFIG_FSL_LAYERSCAPE 11 #include <asm/arch/fsl_serdes.h> 12 #else 13 #include <asm/fsl_serdes.h> 14 #endif 15 16 #include "fm.h" 17 18 struct fm_eth_info fm_info[] = { 19 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1) 20 FM_DTSEC_INFO_INITIALIZER(1, 1), 21 #endif 22 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2) 23 FM_DTSEC_INFO_INITIALIZER(1, 2), 24 #endif 25 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3) 26 FM_DTSEC_INFO_INITIALIZER(1, 3), 27 #endif 28 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4) 29 FM_DTSEC_INFO_INITIALIZER(1, 4), 30 #endif 31 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5) 32 FM_DTSEC_INFO_INITIALIZER(1, 5), 33 #endif 34 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6) 35 FM_DTSEC_INFO_INITIALIZER(1, 6), 36 #endif 37 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7) 38 FM_DTSEC_INFO_INITIALIZER(1, 9), 39 #endif 40 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8) 41 FM_DTSEC_INFO_INITIALIZER(1, 10), 42 #endif 43 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1) 44 FM_DTSEC_INFO_INITIALIZER(2, 1), 45 #endif 46 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2) 47 FM_DTSEC_INFO_INITIALIZER(2, 2), 48 #endif 49 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3) 50 FM_DTSEC_INFO_INITIALIZER(2, 3), 51 #endif 52 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4) 53 FM_DTSEC_INFO_INITIALIZER(2, 4), 54 #endif 55 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5) 56 FM_DTSEC_INFO_INITIALIZER(2, 5), 57 #endif 58 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6) 59 FM_DTSEC_INFO_INITIALIZER(2, 6), 60 #endif 61 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7) 62 FM_DTSEC_INFO_INITIALIZER(2, 9), 63 #endif 64 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8) 65 FM_DTSEC_INFO_INITIALIZER(2, 10), 66 #endif 67 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1) 68 FM_TGEC_INFO_INITIALIZER(1, 1), 69 #endif 70 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2) 71 FM_TGEC_INFO_INITIALIZER(1, 2), 72 #endif 73 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3) 74 FM_TGEC_INFO_INITIALIZER2(1, 3), 75 #endif 76 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4) 77 FM_TGEC_INFO_INITIALIZER2(1, 4), 78 #endif 79 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1) 80 FM_TGEC_INFO_INITIALIZER(2, 1), 81 #endif 82 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2) 83 FM_TGEC_INFO_INITIALIZER(2, 2), 84 #endif 85 }; 86 87 int fm_standard_init(bd_t *bis) 88 { 89 int i; 90 struct ccsr_fman *reg; 91 92 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; 93 if (fm_init_common(0, reg)) 94 return 0; 95 96 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 97 if ((fm_info[i].enabled) && (fm_info[i].index == 1)) 98 fm_eth_initialize(reg, &fm_info[i]); 99 } 100 101 #if (CONFIG_SYS_NUM_FMAN == 2) 102 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; 103 if (fm_init_common(1, reg)) 104 return 0; 105 106 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 107 if ((fm_info[i].enabled) && (fm_info[i].index == 2)) 108 fm_eth_initialize(reg, &fm_info[i]); 109 } 110 #endif 111 112 return 1; 113 } 114 115 /* simple linear search to map from port to array index */ 116 static int fm_port_to_index(enum fm_port port) 117 { 118 int i; 119 120 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 121 if (fm_info[i].port == port) 122 return i; 123 } 124 125 return -1; 126 } 127 128 /* 129 * Determine if an interface is actually active based on HW config 130 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if 131 * the interface is not active based on HW cfg of the SoC 132 */ 133 void fman_enet_init(void) 134 { 135 int i; 136 137 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 138 phy_interface_t enet_if; 139 140 enet_if = fman_port_enet_if(fm_info[i].port); 141 if (enet_if != PHY_INTERFACE_MODE_NONE) { 142 fm_info[i].enabled = 1; 143 fm_info[i].enet_if = enet_if; 144 } else { 145 fm_info[i].enabled = 0; 146 } 147 } 148 149 return ; 150 } 151 152 void fm_disable_port(enum fm_port port) 153 { 154 int i = fm_port_to_index(port); 155 156 if (i == -1) 157 return; 158 159 fm_info[i].enabled = 0; 160 #ifndef CONFIG_SYS_FMAN_V3 161 fman_disable_port(port); 162 #endif 163 } 164 165 void fm_enable_port(enum fm_port port) 166 { 167 int i = fm_port_to_index(port); 168 169 if (i == -1) 170 return; 171 172 fm_info[i].enabled = 1; 173 fman_enable_port(port); 174 } 175 176 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 177 { 178 int i = fm_port_to_index(port); 179 180 if (i == -1) 181 return; 182 183 fm_info[i].bus = bus; 184 } 185 186 void fm_info_set_phy_address(enum fm_port port, int address) 187 { 188 int i = fm_port_to_index(port); 189 190 if (i == -1) 191 return; 192 193 fm_info[i].phy_addr = address; 194 } 195 196 /* 197 * Returns the PHY address for a given Fman port 198 * 199 * The port must be set via a prior call to fm_info_set_phy_address(). 200 * A negative error code is returned if the port is invalid. 201 */ 202 int fm_info_get_phy_address(enum fm_port port) 203 { 204 int i = fm_port_to_index(port); 205 206 if (i == -1) 207 return -1; 208 209 return fm_info[i].phy_addr; 210 } 211 212 /* 213 * Returns the type of the data interface between the given MAC and its PHY. 214 * This is typically determined by the RCW. 215 */ 216 phy_interface_t fm_info_get_enet_if(enum fm_port port) 217 { 218 int i = fm_port_to_index(port); 219 220 if (i == -1) 221 return PHY_INTERFACE_MODE_NONE; 222 223 if (fm_info[i].enabled) 224 return fm_info[i].enet_if; 225 226 return PHY_INTERFACE_MODE_NONE; 227 } 228 229 static void 230 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 231 enum fm_port port, int offset) 232 { 233 return ; 234 } 235 236 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 237 enum fm_port port, int offset) 238 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 239 240 int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 241 { 242 int off; 243 uint32_t ph; 244 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 245 #ifndef CONFIG_SYS_FMAN_V3 246 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS + 247 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET; 248 #endif 249 250 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 251 if (off == -FDT_ERR_NOTFOUND) 252 return -EINVAL; 253 254 if (info->enabled) { 255 fdt_fixup_phy_connection(blob, off, info->enet_if); 256 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 257 return 0; 258 } 259 260 #ifdef CONFIG_SYS_FMAN_V3 261 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION 262 /* 263 * On T2/T4 SoCs, physically FM1_DTSEC9 and FM1_10GEC1 use the same 264 * dual-role MAC, when FM1_10GEC1 is enabled and FM1_DTSEC9 265 * is disabled, ensure that the dual-role MAC is not disabled, 266 * ditto for other dual-role MACs. 267 */ 268 if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) || 269 ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) || 270 ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3))) || 271 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4))) || 272 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) || 273 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) || 274 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1))) || 275 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2))) 276 #if (CONFIG_SYS_NUM_FMAN == 2) 277 || 278 ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) || 279 ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) || 280 ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) || 281 ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10))) 282 #endif 283 #else 284 /* FM1_DTSECx and FM1_10GECx use the same dual-role MAC */ 285 if (((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC1))) || 286 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC2))) || 287 ((info->port == FM1_DTSEC3) && (PORT_IS_ENABLED(FM1_10GEC3))) || 288 ((info->port == FM1_DTSEC4) && (PORT_IS_ENABLED(FM1_10GEC4))) || 289 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC1))) || 290 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC2))) || 291 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC3))) || 292 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC4))) 293 #endif 294 ) 295 return 0; 296 #endif 297 /* board code might have caused offset to change */ 298 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 299 300 #ifndef CONFIG_SYS_FMAN_V3 301 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */ 302 if (paddr != dtsec1_addr) 303 #endif 304 fdt_status_disabled(blob, off); /* disable the MAC node */ 305 306 /* disable the fsl,dpa-ethernet node that points to the MAC */ 307 ph = fdt_get_phandle(blob, off); 308 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 309 "status", "disabled", strlen("disabled") + 1, 1); 310 311 return 0; 312 } 313 314 void fdt_fixup_fman_ethernet(void *blob) 315 { 316 int i; 317 318 #ifdef CONFIG_SYS_FMAN_V3 319 for (i = 0; i < ARRAY_SIZE(fm_info); i++) 320 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac"); 321 #else 322 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 323 /* Try the new compatible first. 324 * If the node is missing, try the old. 325 */ 326 if (fm_info[i].type == FM_ETH_1G_E) { 327 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-dtsec")) 328 ft_fixup_port(blob, &fm_info[i], 329 "fsl,fman-1g-mac"); 330 } else { 331 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-tgec")) 332 ft_fixup_port(blob, &fm_info[i], 333 "fsl,fman-10g-mac"); 334 } 335 } 336 #endif 337 } 338 339 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different. 340 *This function scans which Riser Card being used(QSGMII or SGMII Riser Card), 341 *then set the correct PHY address 342 */ 343 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port, 344 unsigned int port_num, int phy_base_addr) 345 { 346 unsigned int regnum = 0; 347 int qsgmii; 348 int i; 349 int phy_real_addr; 350 351 qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum); 352 353 if (!qsgmii) 354 return; 355 356 for (i = base_port; i < base_port + port_num; i++) { 357 if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) { 358 phy_real_addr = phy_base_addr + i - base_port; 359 fm_info_set_phy_address(i, phy_real_addr); 360 } 361 } 362 } 363 364 /*to check whether qsgmii riser card is used*/ 365 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr, 366 unsigned int port_num, unsigned regnum) 367 { 368 int i; 369 int val; 370 371 if (!bus) 372 return 0; 373 374 for (i = phy_base_addr; i < phy_base_addr + port_num; i++) { 375 val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum); 376 if (val != MIIM_TIMEOUT) 377 return 1; 378 } 379 380 return 0; 381 } 382