1 /* 2 * Copyright 2011-2015 Freescale Semiconductor, Inc. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #include <errno.h> 7 #include <common.h> 8 #include <asm/io.h> 9 #include <fdt_support.h> 10 #include <fsl_mdio.h> 11 #ifdef CONFIG_FSL_LAYERSCAPE 12 #include <asm/arch/fsl_serdes.h> 13 #else 14 #include <asm/fsl_serdes.h> 15 #endif 16 17 #include "fm.h" 18 19 struct fm_eth_info fm_info[] = { 20 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 1) 21 FM_DTSEC_INFO_INITIALIZER(1, 1), 22 #endif 23 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 2) 24 FM_DTSEC_INFO_INITIALIZER(1, 2), 25 #endif 26 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 3) 27 FM_DTSEC_INFO_INITIALIZER(1, 3), 28 #endif 29 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 4) 30 FM_DTSEC_INFO_INITIALIZER(1, 4), 31 #endif 32 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 5) 33 FM_DTSEC_INFO_INITIALIZER(1, 5), 34 #endif 35 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 6) 36 FM_DTSEC_INFO_INITIALIZER(1, 6), 37 #endif 38 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 7) 39 FM_DTSEC_INFO_INITIALIZER(1, 9), 40 #endif 41 #if (CONFIG_SYS_NUM_FM1_DTSEC >= 8) 42 FM_DTSEC_INFO_INITIALIZER(1, 10), 43 #endif 44 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 1) 45 FM_DTSEC_INFO_INITIALIZER(2, 1), 46 #endif 47 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 2) 48 FM_DTSEC_INFO_INITIALIZER(2, 2), 49 #endif 50 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 3) 51 FM_DTSEC_INFO_INITIALIZER(2, 3), 52 #endif 53 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 4) 54 FM_DTSEC_INFO_INITIALIZER(2, 4), 55 #endif 56 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 5) 57 FM_DTSEC_INFO_INITIALIZER(2, 5), 58 #endif 59 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 6) 60 FM_DTSEC_INFO_INITIALIZER(2, 6), 61 #endif 62 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 7) 63 FM_DTSEC_INFO_INITIALIZER(2, 9), 64 #endif 65 #if (CONFIG_SYS_NUM_FM2_DTSEC >= 8) 66 FM_DTSEC_INFO_INITIALIZER(2, 10), 67 #endif 68 #if (CONFIG_SYS_NUM_FM1_10GEC >= 1) 69 FM_TGEC_INFO_INITIALIZER(1, 1), 70 #endif 71 #if (CONFIG_SYS_NUM_FM1_10GEC >= 2) 72 FM_TGEC_INFO_INITIALIZER(1, 2), 73 #endif 74 #if (CONFIG_SYS_NUM_FM1_10GEC >= 3) 75 FM_TGEC_INFO_INITIALIZER2(1, 3), 76 #endif 77 #if (CONFIG_SYS_NUM_FM1_10GEC >= 4) 78 FM_TGEC_INFO_INITIALIZER2(1, 4), 79 #endif 80 #if (CONFIG_SYS_NUM_FM2_10GEC >= 1) 81 FM_TGEC_INFO_INITIALIZER(2, 1), 82 #endif 83 #if (CONFIG_SYS_NUM_FM2_10GEC >= 2) 84 FM_TGEC_INFO_INITIALIZER(2, 2), 85 #endif 86 }; 87 88 int fm_standard_init(bd_t *bis) 89 { 90 int i; 91 struct ccsr_fman *reg; 92 93 reg = (void *)CONFIG_SYS_FSL_FM1_ADDR; 94 if (fm_init_common(0, reg)) 95 return 0; 96 97 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 98 if ((fm_info[i].enabled) && (fm_info[i].index == 1)) 99 fm_eth_initialize(reg, &fm_info[i]); 100 } 101 102 #if (CONFIG_SYS_NUM_FMAN == 2) 103 reg = (void *)CONFIG_SYS_FSL_FM2_ADDR; 104 if (fm_init_common(1, reg)) 105 return 0; 106 107 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 108 if ((fm_info[i].enabled) && (fm_info[i].index == 2)) 109 fm_eth_initialize(reg, &fm_info[i]); 110 } 111 #endif 112 113 return 1; 114 } 115 116 /* simple linear search to map from port to array index */ 117 static int fm_port_to_index(enum fm_port port) 118 { 119 int i; 120 121 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 122 if (fm_info[i].port == port) 123 return i; 124 } 125 126 return -1; 127 } 128 129 /* 130 * Determine if an interface is actually active based on HW config 131 * we expect fman_port_enet_if() to report PHY_INTERFACE_MODE_NONE if 132 * the interface is not active based on HW cfg of the SoC 133 */ 134 void fman_enet_init(void) 135 { 136 int i; 137 138 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 139 phy_interface_t enet_if; 140 141 enet_if = fman_port_enet_if(fm_info[i].port); 142 if (enet_if != PHY_INTERFACE_MODE_NONE) { 143 fm_info[i].enabled = 1; 144 fm_info[i].enet_if = enet_if; 145 } else { 146 fm_info[i].enabled = 0; 147 } 148 } 149 150 return ; 151 } 152 153 void fm_disable_port(enum fm_port port) 154 { 155 int i = fm_port_to_index(port); 156 157 if (i == -1) 158 return; 159 160 fm_info[i].enabled = 0; 161 #ifndef CONFIG_SYS_FMAN_V3 162 fman_disable_port(port); 163 #endif 164 } 165 166 void fm_enable_port(enum fm_port port) 167 { 168 int i = fm_port_to_index(port); 169 170 if (i == -1) 171 return; 172 173 fm_info[i].enabled = 1; 174 fman_enable_port(port); 175 } 176 177 void fm_info_set_mdio(enum fm_port port, struct mii_dev *bus) 178 { 179 int i = fm_port_to_index(port); 180 181 if (i == -1) 182 return; 183 184 fm_info[i].bus = bus; 185 } 186 187 void fm_info_set_phy_address(enum fm_port port, int address) 188 { 189 int i = fm_port_to_index(port); 190 191 if (i == -1) 192 return; 193 194 fm_info[i].phy_addr = address; 195 } 196 197 /* 198 * Returns the PHY address for a given Fman port 199 * 200 * The port must be set via a prior call to fm_info_set_phy_address(). 201 * A negative error code is returned if the port is invalid. 202 */ 203 int fm_info_get_phy_address(enum fm_port port) 204 { 205 int i = fm_port_to_index(port); 206 207 if (i == -1) 208 return -1; 209 210 return fm_info[i].phy_addr; 211 } 212 213 /* 214 * Returns the type of the data interface between the given MAC and its PHY. 215 * This is typically determined by the RCW. 216 */ 217 phy_interface_t fm_info_get_enet_if(enum fm_port port) 218 { 219 int i = fm_port_to_index(port); 220 221 if (i == -1) 222 return PHY_INTERFACE_MODE_NONE; 223 224 if (fm_info[i].enabled) 225 return fm_info[i].enet_if; 226 227 return PHY_INTERFACE_MODE_NONE; 228 } 229 230 static void 231 __def_board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 232 enum fm_port port, int offset) 233 { 234 return ; 235 } 236 237 void board_ft_fman_fixup_port(void *blob, char * prop, phys_addr_t pa, 238 enum fm_port port, int offset) 239 __attribute__((weak, alias("__def_board_ft_fman_fixup_port"))); 240 241 int ft_fixup_port(void *blob, struct fm_eth_info *info, char *prop) 242 { 243 int off; 244 uint32_t ph; 245 phys_addr_t paddr = CONFIG_SYS_CCSRBAR_PHYS + info->compat_offset; 246 #ifndef CONFIG_SYS_FMAN_V3 247 u64 dtsec1_addr = (u64)CONFIG_SYS_CCSRBAR_PHYS + 248 CONFIG_SYS_FSL_FM1_DTSEC1_OFFSET; 249 #endif 250 251 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 252 if (off == -FDT_ERR_NOTFOUND) 253 return -EINVAL; 254 255 if (info->enabled) { 256 fdt_fixup_phy_connection(blob, off, info->enet_if); 257 board_ft_fman_fixup_port(blob, prop, paddr, info->port, off); 258 return 0; 259 } 260 261 #ifdef CONFIG_SYS_FMAN_V3 262 #ifndef CONFIG_FSL_FM_10GEC_REGULAR_NOTATION 263 /* 264 * On T2/T4 SoCs, physically FM1_DTSEC9 and FM1_10GEC1 use the same 265 * dual-role MAC, when FM1_10GEC1 is enabled and FM1_DTSEC9 266 * is disabled, ensure that the dual-role MAC is not disabled, 267 * ditto for other dual-role MACs. 268 */ 269 if (((info->port == FM1_DTSEC9) && (PORT_IS_ENABLED(FM1_10GEC1))) || 270 ((info->port == FM1_DTSEC10) && (PORT_IS_ENABLED(FM1_10GEC2))) || 271 ((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC3))) || 272 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC4))) || 273 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC9))) || 274 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC10))) || 275 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC1))) || 276 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC2))) 277 #if (CONFIG_SYS_NUM_FMAN == 2) 278 || 279 ((info->port == FM2_DTSEC9) && (PORT_IS_ENABLED(FM2_10GEC1))) || 280 ((info->port == FM2_DTSEC10) && (PORT_IS_ENABLED(FM2_10GEC2))) || 281 ((info->port == FM2_10GEC1) && (PORT_IS_ENABLED(FM2_DTSEC9))) || 282 ((info->port == FM2_10GEC2) && (PORT_IS_ENABLED(FM2_DTSEC10))) 283 #endif 284 #else 285 /* FM1_DTSECx and FM1_10GECx use the same dual-role MAC */ 286 if (((info->port == FM1_DTSEC1) && (PORT_IS_ENABLED(FM1_10GEC1))) || 287 ((info->port == FM1_DTSEC2) && (PORT_IS_ENABLED(FM1_10GEC2))) || 288 ((info->port == FM1_DTSEC3) && (PORT_IS_ENABLED(FM1_10GEC3))) || 289 ((info->port == FM1_DTSEC4) && (PORT_IS_ENABLED(FM1_10GEC4))) || 290 ((info->port == FM1_10GEC1) && (PORT_IS_ENABLED(FM1_DTSEC1))) || 291 ((info->port == FM1_10GEC2) && (PORT_IS_ENABLED(FM1_DTSEC2))) || 292 ((info->port == FM1_10GEC3) && (PORT_IS_ENABLED(FM1_DTSEC3))) || 293 ((info->port == FM1_10GEC4) && (PORT_IS_ENABLED(FM1_DTSEC4))) 294 #endif 295 ) 296 return 0; 297 #endif 298 /* board code might have caused offset to change */ 299 off = fdt_node_offset_by_compat_reg(blob, prop, paddr); 300 301 #ifndef CONFIG_SYS_FMAN_V3 302 /* Don't disable FM1-DTSEC1 MAC as its used for MDIO */ 303 if (paddr != dtsec1_addr) 304 #endif 305 fdt_status_disabled(blob, off); /* disable the MAC node */ 306 307 /* disable the fsl,dpa-ethernet node that points to the MAC */ 308 ph = fdt_get_phandle(blob, off); 309 do_fixup_by_prop(blob, "fsl,fman-mac", &ph, sizeof(ph), 310 "status", "disabled", strlen("disabled") + 1, 1); 311 312 return 0; 313 } 314 315 void fdt_fixup_fman_ethernet(void *blob) 316 { 317 int i; 318 319 #ifdef CONFIG_SYS_FMAN_V3 320 for (i = 0; i < ARRAY_SIZE(fm_info); i++) 321 ft_fixup_port(blob, &fm_info[i], "fsl,fman-memac"); 322 #else 323 for (i = 0; i < ARRAY_SIZE(fm_info); i++) { 324 /* Try the new compatible first. 325 * If the node is missing, try the old. 326 */ 327 if (fm_info[i].type == FM_ETH_1G_E) { 328 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-dtsec")) 329 ft_fixup_port(blob, &fm_info[i], 330 "fsl,fman-1g-mac"); 331 } else { 332 if (ft_fixup_port(blob, &fm_info[i], "fsl,fman-tgec")) 333 ft_fixup_port(blob, &fm_info[i], 334 "fsl,fman-10g-mac"); 335 } 336 } 337 #endif 338 } 339 340 /*QSGMII Riser Card can work in SGMII mode, but the PHY address is different. 341 *This function scans which Riser Card being used(QSGMII or SGMII Riser Card), 342 *then set the correct PHY address 343 */ 344 void set_sgmii_phy(struct mii_dev *bus, enum fm_port base_port, 345 unsigned int port_num, int phy_base_addr) 346 { 347 unsigned int regnum = 0; 348 int qsgmii; 349 int i; 350 int phy_real_addr; 351 352 qsgmii = is_qsgmii_riser_card(bus, phy_base_addr, port_num, regnum); 353 354 if (!qsgmii) 355 return; 356 357 for (i = base_port; i < base_port + port_num; i++) { 358 if (fm_info_get_enet_if(i) == PHY_INTERFACE_MODE_SGMII) { 359 phy_real_addr = phy_base_addr + i - base_port; 360 fm_info_set_phy_address(i, phy_real_addr); 361 } 362 } 363 } 364 365 /*to check whether qsgmii riser card is used*/ 366 int is_qsgmii_riser_card(struct mii_dev *bus, int phy_base_addr, 367 unsigned int port_num, unsigned regnum) 368 { 369 int i; 370 int val; 371 372 if (!bus) 373 return 0; 374 375 for (i = phy_base_addr; i < phy_base_addr + port_num; i++) { 376 val = bus->read(bus, i, MDIO_DEVAD_NONE, regnum); 377 if (val != MIIM_TIMEOUT) 378 return 1; 379 } 380 381 return 0; 382 } 383