1 /* 2 * Copyright 2007-2011 Freescale Semiconductor, Inc. 3 * 4 * (C) Copyright 2000 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #include <common.h> 27 #include <libfdt.h> 28 #include <fdt_support.h> 29 #include <asm/processor.h> 30 #include <linux/ctype.h> 31 #include <asm/io.h> 32 #include <asm/fsl_portals.h> 33 #ifdef CONFIG_FSL_ESDHC 34 #include <fsl_esdhc.h> 35 #endif 36 #include "../../../../drivers/qe/qe.h" /* For struct qe_firmware */ 37 38 DECLARE_GLOBAL_DATA_PTR; 39 40 extern void ft_qe_setup(void *blob); 41 extern void ft_fixup_num_cores(void *blob); 42 extern void ft_srio_setup(void *blob); 43 44 #ifdef CONFIG_MP 45 #include "mp.h" 46 47 void ft_fixup_cpu(void *blob, u64 memory_limit) 48 { 49 int off; 50 phys_addr_t spin_tbl_addr = get_spin_phys_addr(); 51 u32 bootpg = determine_mp_bootpg(NULL); 52 u32 id = get_my_id(); 53 const char *enable_method; 54 55 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); 56 while (off != -FDT_ERR_NOTFOUND) { 57 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); 58 59 if (reg) { 60 u32 phys_cpu_id = thread_to_core(*reg); 61 u64 val = phys_cpu_id * SIZE_BOOT_ENTRY + spin_tbl_addr; 62 val = cpu_to_fdt64(val); 63 if (*reg == id) { 64 fdt_setprop_string(blob, off, "status", 65 "okay"); 66 } else { 67 fdt_setprop_string(blob, off, "status", 68 "disabled"); 69 } 70 71 if (hold_cores_in_reset(0)) { 72 #ifdef CONFIG_FSL_CORENET 73 /* Cores held in reset, use BRR to release */ 74 enable_method = "fsl,brr-holdoff"; 75 #else 76 /* Cores held in reset, use EEBPCR to release */ 77 enable_method = "fsl,eebpcr-holdoff"; 78 #endif 79 } else { 80 /* Cores out of reset and in a spin-loop */ 81 enable_method = "spin-table"; 82 83 fdt_setprop(blob, off, "cpu-release-addr", 84 &val, sizeof(val)); 85 } 86 87 fdt_setprop_string(blob, off, "enable-method", 88 enable_method); 89 } else { 90 printf ("cpu NULL\n"); 91 } 92 off = fdt_node_offset_by_prop_value(blob, off, 93 "device_type", "cpu", 4); 94 } 95 96 /* Reserve the boot page so OSes dont use it */ 97 if ((u64)bootpg < memory_limit) { 98 off = fdt_add_mem_rsv(blob, bootpg, (u64)4096); 99 if (off < 0) 100 printf("Failed to reserve memory for bootpg: %s\n", 101 fdt_strerror(off)); 102 } 103 104 #ifndef CONFIG_MPC8xxx_DISABLE_BPTR 105 /* 106 * Reserve the default boot page so OSes dont use it. 107 * The default boot page is always mapped to bootpg above using 108 * boot page translation. 109 */ 110 if (0xfffff000ull < memory_limit) { 111 off = fdt_add_mem_rsv(blob, 0xfffff000ull, (u64)4096); 112 if (off < 0) { 113 printf("Failed to reserve memory for 0xfffff000: %s\n", 114 fdt_strerror(off)); 115 } 116 } 117 #endif 118 119 /* Reserve spin table page */ 120 if (spin_tbl_addr < memory_limit) { 121 off = fdt_add_mem_rsv(blob, 122 (spin_tbl_addr & ~0xffful), 4096); 123 if (off < 0) 124 printf("Failed to reserve memory for spin table: %s\n", 125 fdt_strerror(off)); 126 } 127 } 128 #endif 129 130 #ifdef CONFIG_SYS_FSL_CPC 131 static inline void ft_fixup_l3cache(void *blob, int off) 132 { 133 u32 line_size, num_ways, size, num_sets; 134 cpc_corenet_t *cpc = (void *)CONFIG_SYS_FSL_CPC_ADDR; 135 u32 cfg0 = in_be32(&cpc->cpccfg0); 136 137 size = CPC_CFG0_SZ_K(cfg0) * 1024 * CONFIG_SYS_NUM_CPC; 138 num_ways = CPC_CFG0_NUM_WAYS(cfg0); 139 line_size = CPC_CFG0_LINE_SZ(cfg0); 140 num_sets = size / (line_size * num_ways); 141 142 fdt_setprop(blob, off, "cache-unified", NULL, 0); 143 fdt_setprop_cell(blob, off, "cache-block-size", line_size); 144 fdt_setprop_cell(blob, off, "cache-size", size); 145 fdt_setprop_cell(blob, off, "cache-sets", num_sets); 146 fdt_setprop_cell(blob, off, "cache-level", 3); 147 #ifdef CONFIG_SYS_CACHE_STASHING 148 fdt_setprop_cell(blob, off, "cache-stash-id", 1); 149 #endif 150 } 151 #else 152 #define ft_fixup_l3cache(x, y) 153 #endif 154 155 #if defined(CONFIG_L2_CACHE) 156 /* return size in kilobytes */ 157 static inline u32 l2cache_size(void) 158 { 159 volatile ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR; 160 volatile u32 l2siz_field = (l2cache->l2ctl >> 28) & 0x3; 161 u32 ver = SVR_SOC_VER(get_svr()); 162 163 switch (l2siz_field) { 164 case 0x0: 165 break; 166 case 0x1: 167 if (ver == SVR_8540 || ver == SVR_8560 || 168 ver == SVR_8541 || ver == SVR_8555) 169 return 128; 170 else 171 return 256; 172 break; 173 case 0x2: 174 if (ver == SVR_8540 || ver == SVR_8560 || 175 ver == SVR_8541 || ver == SVR_8555) 176 return 256; 177 else 178 return 512; 179 break; 180 case 0x3: 181 return 1024; 182 break; 183 } 184 185 return 0; 186 } 187 188 static inline void ft_fixup_l2cache(void *blob) 189 { 190 int len, off; 191 u32 *ph; 192 struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr())); 193 194 const u32 line_size = 32; 195 const u32 num_ways = 8; 196 const u32 size = l2cache_size() * 1024; 197 const u32 num_sets = size / (line_size * num_ways); 198 199 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); 200 if (off < 0) { 201 debug("no cpu node fount\n"); 202 return; 203 } 204 205 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0); 206 207 if (ph == NULL) { 208 debug("no next-level-cache property\n"); 209 return ; 210 } 211 212 off = fdt_node_offset_by_phandle(blob, *ph); 213 if (off < 0) { 214 printf("%s: %s\n", __func__, fdt_strerror(off)); 215 return ; 216 } 217 218 if (cpu) { 219 char buf[40]; 220 221 if (isdigit(cpu->name[0])) { 222 /* MPCxxxx, where xxxx == 4-digit number */ 223 len = sprintf(buf, "fsl,mpc%s-l2-cache-controller", 224 cpu->name) + 1; 225 } else { 226 /* Pxxxx or Txxxx, where xxxx == 4-digit number */ 227 len = sprintf(buf, "fsl,%c%s-l2-cache-controller", 228 tolower(cpu->name[0]), cpu->name + 1) + 1; 229 } 230 231 /* 232 * append "cache" after the NULL character that the previous 233 * sprintf wrote. This is how a device tree stores multiple 234 * strings in a property. 235 */ 236 len += sprintf(buf + len, "cache") + 1; 237 238 fdt_setprop(blob, off, "compatible", buf, len); 239 } 240 fdt_setprop(blob, off, "cache-unified", NULL, 0); 241 fdt_setprop_cell(blob, off, "cache-block-size", line_size); 242 fdt_setprop_cell(blob, off, "cache-size", size); 243 fdt_setprop_cell(blob, off, "cache-sets", num_sets); 244 fdt_setprop_cell(blob, off, "cache-level", 2); 245 246 /* we dont bother w/L3 since no platform of this type has one */ 247 } 248 #elif defined(CONFIG_BACKSIDE_L2_CACHE) || \ 249 defined(CONFIG_SYS_FSL_QORIQ_CHASSIS2) 250 static inline void ft_fixup_l2cache(void *blob) 251 { 252 int off, l2_off, l3_off = -1; 253 u32 *ph; 254 #ifdef CONFIG_BACKSIDE_L2_CACHE 255 u32 l2cfg0 = mfspr(SPRN_L2CFG0); 256 #else 257 struct ccsr_cluster_l2 *l2cache = 258 (struct ccsr_cluster_l2 __iomem *)(CONFIG_SYS_FSL_CLUSTER_1_L2); 259 u32 l2cfg0 = in_be32(&l2cache->l2cfg0); 260 #endif 261 u32 size, line_size, num_ways, num_sets; 262 int has_l2 = 1; 263 264 /* P2040/P2040E has no L2, so dont set any L2 props */ 265 if (SVR_SOC_VER(get_svr()) == SVR_P2040) 266 has_l2 = 0; 267 268 size = (l2cfg0 & 0x3fff) * 64 * 1024; 269 num_ways = ((l2cfg0 >> 14) & 0x1f) + 1; 270 line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32; 271 num_sets = size / (line_size * num_ways); 272 273 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); 274 275 while (off != -FDT_ERR_NOTFOUND) { 276 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0); 277 278 if (ph == NULL) { 279 debug("no next-level-cache property\n"); 280 goto next; 281 } 282 283 l2_off = fdt_node_offset_by_phandle(blob, *ph); 284 if (l2_off < 0) { 285 printf("%s: %s\n", __func__, fdt_strerror(off)); 286 goto next; 287 } 288 289 if (has_l2) { 290 #ifdef CONFIG_SYS_CACHE_STASHING 291 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); 292 #ifdef CONFIG_SYS_FSL_QORIQ_CHASSIS2 293 /* Only initialize every eighth thread */ 294 if (reg && !((*reg) % 8)) 295 #else 296 if (reg) 297 #endif 298 fdt_setprop_cell(blob, l2_off, "cache-stash-id", 299 (*reg * 2) + 32 + 1); 300 #endif 301 302 fdt_setprop(blob, l2_off, "cache-unified", NULL, 0); 303 fdt_setprop_cell(blob, l2_off, "cache-block-size", 304 line_size); 305 fdt_setprop_cell(blob, l2_off, "cache-size", size); 306 fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets); 307 fdt_setprop_cell(blob, l2_off, "cache-level", 2); 308 fdt_setprop(blob, l2_off, "compatible", "cache", 6); 309 } 310 311 if (l3_off < 0) { 312 ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0); 313 314 if (ph == NULL) { 315 debug("no next-level-cache property\n"); 316 goto next; 317 } 318 l3_off = *ph; 319 } 320 next: 321 off = fdt_node_offset_by_prop_value(blob, off, 322 "device_type", "cpu", 4); 323 } 324 if (l3_off > 0) { 325 l3_off = fdt_node_offset_by_phandle(blob, l3_off); 326 if (l3_off < 0) { 327 printf("%s: %s\n", __func__, fdt_strerror(off)); 328 return ; 329 } 330 ft_fixup_l3cache(blob, l3_off); 331 } 332 } 333 #else 334 #define ft_fixup_l2cache(x) 335 #endif 336 337 static inline void ft_fixup_cache(void *blob) 338 { 339 int off; 340 341 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); 342 343 while (off != -FDT_ERR_NOTFOUND) { 344 u32 l1cfg0 = mfspr(SPRN_L1CFG0); 345 u32 l1cfg1 = mfspr(SPRN_L1CFG1); 346 u32 isize, iline_size, inum_sets, inum_ways; 347 u32 dsize, dline_size, dnum_sets, dnum_ways; 348 349 /* d-side config */ 350 dsize = (l1cfg0 & 0x7ff) * 1024; 351 dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1; 352 dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32; 353 dnum_sets = dsize / (dline_size * dnum_ways); 354 355 fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size); 356 fdt_setprop_cell(blob, off, "d-cache-size", dsize); 357 fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets); 358 359 #ifdef CONFIG_SYS_CACHE_STASHING 360 { 361 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); 362 if (reg) 363 fdt_setprop_cell(blob, off, "cache-stash-id", 364 (*reg * 2) + 32 + 0); 365 } 366 #endif 367 368 /* i-side config */ 369 isize = (l1cfg1 & 0x7ff) * 1024; 370 inum_ways = ((l1cfg1 >> 11) & 0xff) + 1; 371 iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32; 372 inum_sets = isize / (iline_size * inum_ways); 373 374 fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size); 375 fdt_setprop_cell(blob, off, "i-cache-size", isize); 376 fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets); 377 378 off = fdt_node_offset_by_prop_value(blob, off, 379 "device_type", "cpu", 4); 380 } 381 382 ft_fixup_l2cache(blob); 383 } 384 385 386 void fdt_add_enet_stashing(void *fdt) 387 { 388 do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1); 389 390 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1); 391 392 do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1); 393 do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1); 394 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1); 395 do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1); 396 } 397 398 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME) 399 #ifdef CONFIG_SYS_DPAA_FMAN 400 static void ft_fixup_clks(void *blob, const char *compat, u32 offset, 401 unsigned long freq) 402 { 403 phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS; 404 int off = fdt_node_offset_by_compat_reg(blob, compat, phys); 405 406 if (off >= 0) { 407 off = fdt_setprop_cell(blob, off, "clock-frequency", freq); 408 if (off > 0) 409 printf("WARNING enable to set clock-frequency " 410 "for %s: %s\n", compat, fdt_strerror(off)); 411 } 412 } 413 #endif 414 415 static void ft_fixup_dpaa_clks(void *blob) 416 { 417 sys_info_t sysinfo; 418 419 get_sys_info(&sysinfo); 420 #ifdef CONFIG_SYS_DPAA_FMAN 421 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET, 422 sysinfo.freqFMan[0]); 423 424 #if (CONFIG_SYS_NUM_FMAN == 2) 425 ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET, 426 sysinfo.freqFMan[1]); 427 #endif 428 #endif 429 430 #ifdef CONFIG_SYS_DPAA_QBMAN 431 do_fixup_by_compat_u32(blob, "fsl,qman", 432 "clock-frequency", sysinfo.freqQMAN, 1); 433 #endif 434 435 #ifdef CONFIG_SYS_DPAA_PME 436 do_fixup_by_compat_u32(blob, "fsl,pme", 437 "clock-frequency", sysinfo.freqPME, 1); 438 #endif 439 } 440 #else 441 #define ft_fixup_dpaa_clks(x) 442 #endif 443 444 #ifdef CONFIG_QE 445 static void ft_fixup_qe_snum(void *blob) 446 { 447 unsigned int svr; 448 449 svr = mfspr(SPRN_SVR); 450 if (SVR_SOC_VER(svr) == SVR_8569) { 451 if(IS_SVR_REV(svr, 1, 0)) 452 do_fixup_by_compat_u32(blob, "fsl,qe", 453 "fsl,qe-num-snums", 46, 1); 454 else 455 do_fixup_by_compat_u32(blob, "fsl,qe", 456 "fsl,qe-num-snums", 76, 1); 457 } 458 } 459 #endif 460 461 /** 462 * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree 463 * 464 * The binding for an Fman firmware node is documented in 465 * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt. This node contains 466 * the actual Fman firmware binary data. The operating system is expected to 467 * be able to parse the binary data to determine any attributes it needs. 468 */ 469 #ifdef CONFIG_SYS_DPAA_FMAN 470 void fdt_fixup_fman_firmware(void *blob) 471 { 472 int rc, fmnode, fwnode = -1; 473 uint32_t phandle; 474 struct qe_firmware *fmanfw; 475 const struct qe_header *hdr; 476 unsigned int length; 477 uint32_t crc; 478 const char *p; 479 480 /* The first Fman we find will contain the actual firmware. */ 481 fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman"); 482 if (fmnode < 0) 483 /* Exit silently if there are no Fman devices */ 484 return; 485 486 /* If we already have a firmware node, then also exit silently. */ 487 if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0) 488 return; 489 490 /* If the environment variable is not set, then exit silently */ 491 p = getenv("fman_ucode"); 492 if (!p) 493 return; 494 495 fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0); 496 if (!fmanfw) 497 return; 498 499 hdr = &fmanfw->header; 500 length = be32_to_cpu(hdr->length); 501 502 /* Verify the firmware. */ 503 if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') || 504 (hdr->magic[2] != 'F')) { 505 printf("Data at %p is not an Fman firmware\n", fmanfw); 506 return; 507 } 508 509 if (length > CONFIG_SYS_QE_FMAN_FW_LENGTH) { 510 printf("Fman firmware at %p is too large (size=%u)\n", 511 fmanfw, length); 512 return; 513 } 514 515 length -= sizeof(u32); /* Subtract the size of the CRC */ 516 crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length)); 517 if (crc != crc32_no_comp(0, (void *)fmanfw, length)) { 518 printf("Fman firmware at %p has invalid CRC\n", fmanfw); 519 return; 520 } 521 522 /* Increase the size of the fdt to make room for the node. */ 523 rc = fdt_increase_size(blob, fmanfw->header.length); 524 if (rc < 0) { 525 printf("Unable to make room for Fman firmware: %s\n", 526 fdt_strerror(rc)); 527 return; 528 } 529 530 /* Create the firmware node. */ 531 fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware"); 532 if (fwnode < 0) { 533 char s[64]; 534 fdt_get_path(blob, fmnode, s, sizeof(s)); 535 printf("Could not add firmware node to %s: %s\n", s, 536 fdt_strerror(fwnode)); 537 return; 538 } 539 rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware"); 540 if (rc < 0) { 541 char s[64]; 542 fdt_get_path(blob, fwnode, s, sizeof(s)); 543 printf("Could not add compatible property to node %s: %s\n", s, 544 fdt_strerror(rc)); 545 return; 546 } 547 phandle = fdt_create_phandle(blob, fwnode); 548 if (!phandle) { 549 char s[64]; 550 fdt_get_path(blob, fwnode, s, sizeof(s)); 551 printf("Could not add phandle property to node %s: %s\n", s, 552 fdt_strerror(rc)); 553 return; 554 } 555 rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length); 556 if (rc < 0) { 557 char s[64]; 558 fdt_get_path(blob, fwnode, s, sizeof(s)); 559 printf("Could not add firmware property to node %s: %s\n", s, 560 fdt_strerror(rc)); 561 return; 562 } 563 564 /* Find all other Fman nodes and point them to the firmware node. */ 565 while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) { 566 rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle); 567 if (rc < 0) { 568 char s[64]; 569 fdt_get_path(blob, fmnode, s, sizeof(s)); 570 printf("Could not add pointer property to node %s: %s\n", 571 s, fdt_strerror(rc)); 572 return; 573 } 574 } 575 } 576 #else 577 #define fdt_fixup_fman_firmware(x) 578 #endif 579 580 #if defined(CONFIG_PPC_P4080) 581 static void fdt_fixup_usb(void *fdt) 582 { 583 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); 584 u32 rcwsr11 = in_be32(&gur->rcwsr[11]); 585 int off; 586 587 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-mph"); 588 if ((rcwsr11 & FSL_CORENET_RCWSR11_EC1) != 589 FSL_CORENET_RCWSR11_EC1_FM1_USB1) 590 fdt_status_disabled(fdt, off); 591 592 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,mpc85xx-usb2-dr"); 593 if ((rcwsr11 & FSL_CORENET_RCWSR11_EC2) != 594 FSL_CORENET_RCWSR11_EC2_USB2) 595 fdt_status_disabled(fdt, off); 596 } 597 #else 598 #define fdt_fixup_usb(x) 599 #endif 600 601 void ft_cpu_setup(void *blob, bd_t *bd) 602 { 603 int off; 604 int val; 605 sys_info_t sysinfo; 606 607 /* delete crypto node if not on an E-processor */ 608 if (!IS_E_PROCESSOR(get_svr())) 609 fdt_fixup_crypto_node(blob, 0); 610 #if CONFIG_SYS_FSL_SEC_COMPAT >= 4 611 else { 612 ccsr_sec_t __iomem *sec; 613 614 sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR; 615 fdt_fixup_crypto_node(blob, in_be32(&sec->secvid_ms)); 616 } 617 #endif 618 619 fdt_fixup_ethernet(blob); 620 621 fdt_add_enet_stashing(blob); 622 623 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, 624 "timebase-frequency", get_tbclk(), 1); 625 do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, 626 "bus-frequency", bd->bi_busfreq, 1); 627 get_sys_info(&sysinfo); 628 off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4); 629 while (off != -FDT_ERR_NOTFOUND) { 630 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0); 631 val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]); 632 fdt_setprop(blob, off, "clock-frequency", &val, 4); 633 off = fdt_node_offset_by_prop_value(blob, off, "device_type", 634 "cpu", 4); 635 } 636 do_fixup_by_prop_u32(blob, "device_type", "soc", 4, 637 "bus-frequency", bd->bi_busfreq, 1); 638 639 do_fixup_by_compat_u32(blob, "fsl,pq3-localbus", 640 "bus-frequency", gd->lbc_clk, 1); 641 do_fixup_by_compat_u32(blob, "fsl,elbc", 642 "bus-frequency", gd->lbc_clk, 1); 643 #ifdef CONFIG_QE 644 ft_qe_setup(blob); 645 ft_fixup_qe_snum(blob); 646 #endif 647 648 fdt_fixup_fman_firmware(blob); 649 650 #ifdef CONFIG_SYS_NS16550 651 do_fixup_by_compat_u32(blob, "ns16550", 652 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1); 653 #endif 654 655 #ifdef CONFIG_CPM2 656 do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart", 657 "current-speed", bd->bi_baudrate, 1); 658 659 do_fixup_by_compat_u32(blob, "fsl,cpm2-brg", 660 "clock-frequency", bd->bi_brgfreq, 1); 661 #endif 662 663 #ifdef CONFIG_FSL_CORENET 664 do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0", 665 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1); 666 #endif 667 668 fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); 669 670 #ifdef CONFIG_MP 671 ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize); 672 ft_fixup_num_cores(blob); 673 #endif 674 675 ft_fixup_cache(blob); 676 677 #if defined(CONFIG_FSL_ESDHC) 678 fdt_fixup_esdhc(blob, bd); 679 #endif 680 681 ft_fixup_dpaa_clks(blob); 682 683 #if defined(CONFIG_SYS_BMAN_MEM_PHYS) 684 fdt_portal(blob, "fsl,bman-portal", "bman-portals", 685 (u64)CONFIG_SYS_BMAN_MEM_PHYS, 686 CONFIG_SYS_BMAN_MEM_SIZE); 687 fdt_fixup_bportals(blob); 688 #endif 689 690 #if defined(CONFIG_SYS_QMAN_MEM_PHYS) 691 fdt_portal(blob, "fsl,qman-portal", "qman-portals", 692 (u64)CONFIG_SYS_QMAN_MEM_PHYS, 693 CONFIG_SYS_QMAN_MEM_SIZE); 694 695 fdt_fixup_qportals(blob); 696 #endif 697 698 #ifdef CONFIG_SYS_SRIO 699 ft_srio_setup(blob); 700 #endif 701 702 /* 703 * system-clock = CCB clock/2 704 * Here gd->bus_clk = CCB clock 705 * We are using the system clock as 1588 Timer reference 706 * clock source select 707 */ 708 do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer", 709 "timer-frequency", gd->bus_clk/2, 1); 710 711 /* 712 * clock-freq should change to clock-frequency and 713 * flexcan-v1.0 should change to p1010-flexcan respectively 714 * in the future. 715 */ 716 do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0", 717 "clock_freq", gd->bus_clk/2, 1); 718 719 do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0", 720 "clock-frequency", gd->bus_clk/2, 1); 721 722 do_fixup_by_compat_u32(blob, "fsl,p1010-flexcan", 723 "clock-frequency", gd->bus_clk/2, 1); 724 725 fdt_fixup_usb(blob); 726 } 727 728 /* 729 * For some CCSR devices, we only have the virtual address, not the physical 730 * address. This is because we map CCSR as a whole, so we typically don't need 731 * a macro for the physical address of any device within CCSR. In this case, 732 * we calculate the physical address of that device using it's the difference 733 * between the virtual address of the device and the virtual address of the 734 * beginning of CCSR. 735 */ 736 #define CCSR_VIRT_TO_PHYS(x) \ 737 (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR)) 738 739 static void msg(const char *name, uint64_t uaddr, uint64_t daddr) 740 { 741 printf("Warning: U-Boot configured %s at address %llx,\n" 742 "but the device tree has it at %llx\n", name, uaddr, daddr); 743 } 744 745 /* 746 * Verify the device tree 747 * 748 * This function compares several CONFIG_xxx macros that contain physical 749 * addresses with the corresponding nodes in the device tree, to see if 750 * the physical addresses are all correct. For example, if 751 * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address 752 * of the first UART. We convert this to a physical address and compare 753 * that with the physical address of the first ns16550-compatible node 754 * in the device tree. If they don't match, then we display a warning. 755 * 756 * Returns 1 on success, 0 on failure 757 */ 758 int ft_verify_fdt(void *fdt) 759 { 760 uint64_t addr = 0; 761 int aliases; 762 int off; 763 764 /* First check the CCSR base address */ 765 off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4); 766 if (off > 0) 767 addr = fdt_get_base_address(fdt, off); 768 769 if (!addr) { 770 printf("Warning: could not determine base CCSR address in " 771 "device tree\n"); 772 /* No point in checking anything else */ 773 return 0; 774 } 775 776 if (addr != CONFIG_SYS_CCSRBAR_PHYS) { 777 msg("CCSR", CONFIG_SYS_CCSRBAR_PHYS, addr); 778 /* No point in checking anything else */ 779 return 0; 780 } 781 782 /* 783 * Check some nodes via aliases. We assume that U-Boot and the device 784 * tree enumerate the devices equally. E.g. the first serial port in 785 * U-Boot is the same as "serial0" in the device tree. 786 */ 787 aliases = fdt_path_offset(fdt, "/aliases"); 788 if (aliases > 0) { 789 #ifdef CONFIG_SYS_NS16550_COM1 790 if (!fdt_verify_alias_address(fdt, aliases, "serial0", 791 CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1))) 792 return 0; 793 #endif 794 795 #ifdef CONFIG_SYS_NS16550_COM2 796 if (!fdt_verify_alias_address(fdt, aliases, "serial1", 797 CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2))) 798 return 0; 799 #endif 800 } 801 802 /* 803 * The localbus node is typically a root node, even though the lbc 804 * controller is part of CCSR. If we were to put the lbc node under 805 * the SOC node, then the 'ranges' property in the lbc node would 806 * translate through the 'ranges' property of the parent SOC node, and 807 * we don't want that. Since it's a separate node, it's possible for 808 * the 'reg' property to be wrong, so check it here. For now, we 809 * only check for "fsl,elbc" nodes. 810 */ 811 #ifdef CONFIG_SYS_LBC_ADDR 812 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,elbc"); 813 if (off > 0) { 814 const u32 *reg = fdt_getprop(fdt, off, "reg", NULL); 815 if (reg) { 816 uint64_t uaddr = CCSR_VIRT_TO_PHYS(CONFIG_SYS_LBC_ADDR); 817 818 addr = fdt_translate_address(fdt, off, reg); 819 if (uaddr != addr) { 820 msg("the localbus", uaddr, addr); 821 return 0; 822 } 823 } 824 } 825 #endif 826 827 return 1; 828 } 829