arch/powerpc/cpu/mpc85xx/fdt.c

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