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