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_8541_E ||
 143                     ver == SVR_8555 || ver == SVR_8555_E)
 144                         return 128;
 145                 else
 146                         return 256;
 147                 break;
 148         case 0x2:
 149                 if (ver == SVR_8540 || ver == SVR_8560   ||
 150                     ver == SVR_8541 || ver == SVR_8541_E ||
 151                     ver == SVR_8555 || ver == SVR_8555_E)
 152                         return 256;
 153                 else
 154                         return 512;
 155                 break;
 156         case 0x3:
 157                 return 1024;
 158                 break;
 159         }
 160
 161         return 0;
 162 }
 163
 164 static inline void ft_fixup_l2cache(void *blob)
 165 {
 166         int len, off;
 167         u32 *ph;
 168         struct cpu_type *cpu = identify_cpu(SVR_SOC_VER(get_svr()));
 169
 170         const u32 line_size = 32;
 171         const u32 num_ways = 8;
 172         const u32 size = l2cache_size() * 1024;
 173         const u32 num_sets = size / (line_size * num_ways);
 174
 175         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 176         if (off < 0) {
 177                 debug("no cpu node fount\n");
 178                 return;
 179         }
 180
 181         ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
 182
 183         if (ph == NULL) {
 184                 debug("no next-level-cache property\n");
 185                 return ;
 186         }
 187
 188         off = fdt_node_offset_by_phandle(blob, *ph);
 189         if (off < 0) {
 190                 printf("%s: %s\n", __func__, fdt_strerror(off));
 191                 return ;
 192         }
 193
 194         if (cpu) {
 195                 char buf[40];
 196
 197                 if (isdigit(cpu->name[0])) {
 198                         /* MPCxxxx, where xxxx == 4-digit number */
 199                         len = sprintf(buf, "fsl,mpc%s-l2-cache-controller",
 200                                 cpu->name) + 1;
 201                 } else {
 202                         /* Pxxxx or Txxxx, where xxxx == 4-digit number */
 203                         len = sprintf(buf, "fsl,%c%s-l2-cache-controller",
 204                                 tolower(cpu->name[0]), cpu->name + 1) + 1;
 205                 }
 206
 207                 /*
 208                  * append "cache" after the NULL character that the previous
 209                  * sprintf wrote.  This is how a device tree stores multiple
 210                  * strings in a property.
 211                  */
 212                 len += sprintf(buf + len, "cache") + 1;
 213
 214                 fdt_setprop(blob, off, "compatible", buf, len);
 215         }
 216         fdt_setprop(blob, off, "cache-unified", NULL, 0);
 217         fdt_setprop_cell(blob, off, "cache-block-size", line_size);
 218         fdt_setprop_cell(blob, off, "cache-size", size);
 219         fdt_setprop_cell(blob, off, "cache-sets", num_sets);
 220         fdt_setprop_cell(blob, off, "cache-level", 2);
 221
 222         /* we dont bother w/L3 since no platform of this type has one */
 223 }
 224 #elif defined(CONFIG_BACKSIDE_L2_CACHE)
 225 static inline void ft_fixup_l2cache(void *blob)
 226 {
 227         int off, l2_off, l3_off = -1;
 228         u32 *ph;
 229         u32 l2cfg0 = mfspr(SPRN_L2CFG0);
 230         u32 size, line_size, num_ways, num_sets;
 231         int has_l2 = 1;
 232
 233         /* P2040/P2040E has no L2, so dont set any L2 props */
 234         if ((SVR_SOC_VER(get_svr()) == SVR_P2040) ||
 235             (SVR_SOC_VER(get_svr()) == SVR_P2040_E))
 236                 has_l2 = 0;
 237
 238         size = (l2cfg0 & 0x3fff) * 64 * 1024;
 239         num_ways = ((l2cfg0 >> 14) & 0x1f) + 1;
 240         line_size = (((l2cfg0 >> 23) & 0x3) + 1) * 32;
 241         num_sets = size / (line_size * num_ways);
 242
 243         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 244
 245         while (off != -FDT_ERR_NOTFOUND) {
 246                 ph = (u32 *)fdt_getprop(blob, off, "next-level-cache", 0);
 247
 248                 if (ph == NULL) {
 249                         debug("no next-level-cache property\n");
 250                         goto next;
 251                 }
 252
 253                 l2_off = fdt_node_offset_by_phandle(blob, *ph);
 254                 if (l2_off < 0) {
 255                         printf("%s: %s\n", __func__, fdt_strerror(off));
 256                         goto next;
 257                 }
 258
 259                 if (has_l2) {
 260 #ifdef CONFIG_SYS_CACHE_STASHING
 261                         u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
 262                         if (reg)
 263                                 fdt_setprop_cell(blob, l2_off, "cache-stash-id",
 264                                          (*reg * 2) + 32 + 1);
 265 #endif
 266
 267                         fdt_setprop(blob, l2_off, "cache-unified", NULL, 0);
 268                         fdt_setprop_cell(blob, l2_off, "cache-block-size",
 269                                                 line_size);
 270                         fdt_setprop_cell(blob, l2_off, "cache-size", size);
 271                         fdt_setprop_cell(blob, l2_off, "cache-sets", num_sets);
 272                         fdt_setprop_cell(blob, l2_off, "cache-level", 2);
 273                         fdt_setprop(blob, l2_off, "compatible", "cache", 6);
 274                 }
 275
 276                 if (l3_off < 0) {
 277                         ph = (u32 *)fdt_getprop(blob, l2_off, "next-level-cache", 0);
 278
 279                         if (ph == NULL) {
 280                                 debug("no next-level-cache property\n");
 281                                 goto next;
 282                         }
 283                         l3_off = *ph;
 284                 }
 285 next:
 286                 off = fdt_node_offset_by_prop_value(blob, off,
 287                                 "device_type", "cpu", 4);
 288         }
 289         if (l3_off > 0) {
 290                 l3_off = fdt_node_offset_by_phandle(blob, l3_off);
 291                 if (l3_off < 0) {
 292                         printf("%s: %s\n", __func__, fdt_strerror(off));
 293                         return ;
 294                 }
 295                 ft_fixup_l3cache(blob, l3_off);
 296         }
 297 }
 298 #else
 299 #define ft_fixup_l2cache(x)
 300 #endif
 301
 302 static inline void ft_fixup_cache(void *blob)
 303 {
 304         int off;
 305
 306         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 307
 308         while (off != -FDT_ERR_NOTFOUND) {
 309                 u32 l1cfg0 = mfspr(SPRN_L1CFG0);
 310                 u32 l1cfg1 = mfspr(SPRN_L1CFG1);
 311                 u32 isize, iline_size, inum_sets, inum_ways;
 312                 u32 dsize, dline_size, dnum_sets, dnum_ways;
 313
 314                 /* d-side config */
 315                 dsize = (l1cfg0 & 0x7ff) * 1024;
 316                 dnum_ways = ((l1cfg0 >> 11) & 0xff) + 1;
 317                 dline_size = (((l1cfg0 >> 23) & 0x3) + 1) * 32;
 318                 dnum_sets = dsize / (dline_size * dnum_ways);
 319
 320                 fdt_setprop_cell(blob, off, "d-cache-block-size", dline_size);
 321                 fdt_setprop_cell(blob, off, "d-cache-size", dsize);
 322                 fdt_setprop_cell(blob, off, "d-cache-sets", dnum_sets);
 323
 324 #ifdef CONFIG_SYS_CACHE_STASHING
 325                 {
 326                         u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
 327                         if (reg)
 328                                 fdt_setprop_cell(blob, off, "cache-stash-id",
 329                                          (*reg * 2) + 32 + 0);
 330                 }
 331 #endif
 332
 333                 /* i-side config */
 334                 isize = (l1cfg1 & 0x7ff) * 1024;
 335                 inum_ways = ((l1cfg1 >> 11) & 0xff) + 1;
 336                 iline_size = (((l1cfg1 >> 23) & 0x3) + 1) * 32;
 337                 inum_sets = isize / (iline_size * inum_ways);
 338
 339                 fdt_setprop_cell(blob, off, "i-cache-block-size", iline_size);
 340                 fdt_setprop_cell(blob, off, "i-cache-size", isize);
 341                 fdt_setprop_cell(blob, off, "i-cache-sets", inum_sets);
 342
 343                 off = fdt_node_offset_by_prop_value(blob, off,
 344                                 "device_type", "cpu", 4);
 345         }
 346
 347         ft_fixup_l2cache(blob);
 348 }
 349
 350
 351 void fdt_add_enet_stashing(void *fdt)
 352 {
 353         do_fixup_by_compat(fdt, "gianfar", "bd-stash", NULL, 0, 1);
 354
 355         do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-len", 96, 1);
 356
 357         do_fixup_by_compat_u32(fdt, "gianfar", "rx-stash-idx", 0, 1);
 358         do_fixup_by_compat(fdt, "fsl,etsec2", "bd-stash", NULL, 0, 1);
 359         do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-len", 96, 1);
 360         do_fixup_by_compat_u32(fdt, "fsl,etsec2", "rx-stash-idx", 0, 1);
 361 }
 362
 363 #if defined(CONFIG_SYS_DPAA_FMAN) || defined(CONFIG_SYS_DPAA_PME)
 364 #ifdef CONFIG_SYS_DPAA_FMAN
 365 static void ft_fixup_clks(void *blob, const char *compat, u32 offset,
 366                           unsigned long freq)
 367 {
 368         phys_addr_t phys = offset + CONFIG_SYS_CCSRBAR_PHYS;
 369         int off = fdt_node_offset_by_compat_reg(blob, compat, phys);
 370
 371         if (off >= 0) {
 372                 off = fdt_setprop_cell(blob, off, "clock-frequency", freq);
 373                 if (off > 0)
 374                         printf("WARNING enable to set clock-frequency "
 375                                 "for %s: %s\n", compat, fdt_strerror(off));
 376         }
 377 }
 378 #endif
 379
 380 static void ft_fixup_dpaa_clks(void *blob)
 381 {
 382         sys_info_t sysinfo;
 383
 384         get_sys_info(&sysinfo);
 385 #ifdef CONFIG_SYS_DPAA_FMAN
 386         ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM1_OFFSET,
 387                         sysinfo.freqFMan[0]);
 388
 389 #if (CONFIG_SYS_NUM_FMAN == 2)
 390         ft_fixup_clks(blob, "fsl,fman", CONFIG_SYS_FSL_FM2_OFFSET,
 391                         sysinfo.freqFMan[1]);
 392 #endif
 393 #endif
 394
 395 #ifdef CONFIG_SYS_DPAA_PME
 396         do_fixup_by_compat_u32(blob, "fsl,pme",
 397                 "clock-frequency", sysinfo.freqPME, 1);
 398 #endif
 399 }
 400 #else
 401 #define ft_fixup_dpaa_clks(x)
 402 #endif
 403
 404 #ifdef CONFIG_QE
 405 static void ft_fixup_qe_snum(void *blob)
 406 {
 407         unsigned int svr;
 408
 409         svr = mfspr(SPRN_SVR);
 410         if (SVR_SOC_VER(svr) == SVR_8569_E) {
 411                 if(IS_SVR_REV(svr, 1, 0))
 412                         do_fixup_by_compat_u32(blob, "fsl,qe",
 413                                 "fsl,qe-num-snums", 46, 1);
 414                 else
 415                         do_fixup_by_compat_u32(blob, "fsl,qe",
 416                                 "fsl,qe-num-snums", 76, 1);
 417         }
 418 }
 419 #endif
 420
 421 /**
 422  * fdt_fixup_fman_firmware -- insert the Fman firmware into the device tree
 423  *
 424  * The binding for an Fman firmware node is documented in
 425  * Documentation/powerpc/dts-bindings/fsl/dpaa/fman.txt.  This node contains
 426  * the actual Fman firmware binary data.  The operating system is expected to
 427  * be able to parse the binary data to determine any attributes it needs.
 428  */
 429 #ifdef CONFIG_SYS_DPAA_FMAN
 430 void fdt_fixup_fman_firmware(void *blob)
 431 {
 432         int rc, fmnode, fwnode = -1;
 433         uint32_t phandle;
 434         struct qe_firmware *fmanfw;
 435         const struct qe_header *hdr;
 436         unsigned int length;
 437         uint32_t crc;
 438         const char *p;
 439
 440         /* The first Fman we find will contain the actual firmware. */
 441         fmnode = fdt_node_offset_by_compatible(blob, -1, "fsl,fman");
 442         if (fmnode < 0)
 443                 /* Exit silently if there are no Fman devices */
 444                 return;
 445
 446         /* If we already have a firmware node, then also exit silently. */
 447         if (fdt_node_offset_by_compatible(blob, -1, "fsl,fman-firmware") > 0)
 448                 return;
 449
 450         /* If the environment variable is not set, then exit silently */
 451         p = getenv("fman_ucode");
 452         if (!p)
 453                 return;
 454
 455         fmanfw = (struct qe_firmware *) simple_strtoul(p, NULL, 0);
 456         if (!fmanfw)
 457                 return;
 458
 459         hdr = &fmanfw->header;
 460         length = be32_to_cpu(hdr->length);
 461
 462         /* Verify the firmware. */
 463         if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
 464                 (hdr->magic[2] != 'F')) {
 465                 printf("Data at %p is not an Fman firmware\n", fmanfw);
 466                 return;
 467         }
 468
 469         if (length > CONFIG_SYS_FMAN_FW_LENGTH) {
 470                 printf("Fman firmware at %p is too large (size=%u)\n",
 471                        fmanfw, length);
 472                 return;
 473         }
 474
 475         length -= sizeof(u32);  /* Subtract the size of the CRC */
 476         crc = be32_to_cpu(*(u32 *)((void *)fmanfw + length));
 477         if (crc != crc32_no_comp(0, (void *)fmanfw, length)) {
 478                 printf("Fman firmware at %p has invalid CRC\n", fmanfw);
 479                 return;
 480         }
 481
 482         /* Increase the size of the fdt to make room for the node. */
 483         rc = fdt_increase_size(blob, fmanfw->header.length);
 484         if (rc < 0) {
 485                 printf("Unable to make room for Fman firmware: %s\n",
 486                         fdt_strerror(rc));
 487                 return;
 488         }
 489
 490         /* Create the firmware node. */
 491         fwnode = fdt_add_subnode(blob, fmnode, "fman-firmware");
 492         if (fwnode < 0) {
 493                 char s[64];
 494                 fdt_get_path(blob, fmnode, s, sizeof(s));
 495                 printf("Could not add firmware node to %s: %s\n", s,
 496                        fdt_strerror(fwnode));
 497                 return;
 498         }
 499         rc = fdt_setprop_string(blob, fwnode, "compatible", "fsl,fman-firmware");
 500         if (rc < 0) {
 501                 char s[64];
 502                 fdt_get_path(blob, fwnode, s, sizeof(s));
 503                 printf("Could not add compatible property to node %s: %s\n", s,
 504                        fdt_strerror(rc));
 505                 return;
 506         }
 507         phandle = fdt_alloc_phandle(blob);
 508         rc = fdt_setprop_cell(blob, fwnode, "linux,phandle", phandle);
 509         if (rc < 0) {
 510                 char s[64];
 511                 fdt_get_path(blob, fwnode, s, sizeof(s));
 512                 printf("Could not add phandle property to node %s: %s\n", s,
 513                        fdt_strerror(rc));
 514                 return;
 515         }
 516         rc = fdt_setprop(blob, fwnode, "fsl,firmware", fmanfw, fmanfw->header.length);
 517         if (rc < 0) {
 518                 char s[64];
 519                 fdt_get_path(blob, fwnode, s, sizeof(s));
 520                 printf("Could not add firmware property to node %s: %s\n", s,
 521                        fdt_strerror(rc));
 522                 return;
 523         }
 524
 525         /* Find all other Fman nodes and point them to the firmware node. */
 526         while ((fmnode = fdt_node_offset_by_compatible(blob, fmnode, "fsl,fman")) > 0) {
 527                 rc = fdt_setprop_cell(blob, fmnode, "fsl,firmware-phandle", phandle);
 528                 if (rc < 0) {
 529                         char s[64];
 530                         fdt_get_path(blob, fmnode, s, sizeof(s));
 531                         printf("Could not add pointer property to node %s: %s\n",
 532                                s, fdt_strerror(rc));
 533                         return;
 534                 }
 535         }
 536 }
 537 #else
 538 #define fdt_fixup_fman_firmware(x)
 539 #endif
 540
 541 void ft_cpu_setup(void *blob, bd_t *bd)
 542 {
 543         int off;
 544         int val;
 545         sys_info_t sysinfo;
 546
 547         /* delete crypto node if not on an E-processor */
 548         if (!IS_E_PROCESSOR(get_svr()))
 549                 fdt_fixup_crypto_node(blob, 0);
 550
 551         fdt_fixup_ethernet(blob);
 552
 553         fdt_add_enet_stashing(blob);
 554
 555         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 556                 "timebase-frequency", get_tbclk(), 1);
 557         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
 558                 "bus-frequency", bd->bi_busfreq, 1);
 559         get_sys_info(&sysinfo);
 560         off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
 561         while (off != -FDT_ERR_NOTFOUND) {
 562                 u32 *reg = (u32 *)fdt_getprop(blob, off, "reg", 0);
 563                 val = cpu_to_fdt32(sysinfo.freqProcessor[*reg]);
 564                 fdt_setprop(blob, off, "clock-frequency", &val, 4);
 565                 off = fdt_node_offset_by_prop_value(blob, off, "device_type",
 566                                                         "cpu", 4);
 567         }
 568         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
 569                 "bus-frequency", bd->bi_busfreq, 1);
 570
 571         do_fixup_by_compat_u32(blob, "fsl,pq3-localbus",
 572                 "bus-frequency", gd->lbc_clk, 1);
 573         do_fixup_by_compat_u32(blob, "fsl,elbc",
 574                 "bus-frequency", gd->lbc_clk, 1);
 575 #ifdef CONFIG_QE
 576         ft_qe_setup(blob);
 577         ft_fixup_qe_snum(blob);
 578 #endif
 579
 580         fdt_fixup_fman_firmware(blob);
 581
 582 #ifdef CONFIG_SYS_NS16550
 583         do_fixup_by_compat_u32(blob, "ns16550",
 584                 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
 585 #endif
 586
 587 #ifdef CONFIG_CPM2
 588         do_fixup_by_compat_u32(blob, "fsl,cpm2-scc-uart",
 589                 "current-speed", bd->bi_baudrate, 1);
 590
 591         do_fixup_by_compat_u32(blob, "fsl,cpm2-brg",
 592                 "clock-frequency", bd->bi_brgfreq, 1);
 593 #endif
 594
 595 #ifdef CONFIG_FSL_CORENET
 596         do_fixup_by_compat_u32(blob, "fsl,qoriq-clockgen-1.0",
 597                 "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
 598 #endif
 599
 600         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
 601
 602 #ifdef CONFIG_MP
 603         ft_fixup_cpu(blob, (u64)bd->bi_memstart + (u64)bd->bi_memsize);
 604         ft_fixup_num_cores(blob);
 605 #endif
 606
 607         ft_fixup_cache(blob);
 608
 609 #if defined(CONFIG_FSL_ESDHC)
 610         fdt_fixup_esdhc(blob, bd);
 611 #endif
 612
 613         ft_fixup_dpaa_clks(blob);
 614
 615 #if defined(CONFIG_SYS_BMAN_MEM_PHYS)
 616         fdt_portal(blob, "fsl,bman-portal", "bman-portals",
 617                         (u64)CONFIG_SYS_BMAN_MEM_PHYS,
 618                         CONFIG_SYS_BMAN_MEM_SIZE);
 619         fdt_fixup_bportals(blob);
 620 #endif
 621
 622 #if defined(CONFIG_SYS_QMAN_MEM_PHYS)
 623         fdt_portal(blob, "fsl,qman-portal", "qman-portals",
 624                         (u64)CONFIG_SYS_QMAN_MEM_PHYS,
 625                         CONFIG_SYS_QMAN_MEM_SIZE);
 626
 627         fdt_fixup_qportals(blob);
 628 #endif
 629
 630 #ifdef CONFIG_SYS_SRIO
 631         ft_srio_setup(blob);
 632 #endif
 633
 634         /*
 635          * system-clock = CCB clock/2
 636          * Here gd->bus_clk = CCB clock
 637          * We are using the system clock as 1588 Timer reference
 638          * clock source select
 639          */
 640         do_fixup_by_compat_u32(blob, "fsl,gianfar-ptp-timer",
 641                         "timer-frequency", gd->bus_clk/2, 1);
 642
 643         do_fixup_by_compat_u32(blob, "fsl,flexcan-v1.0",
 644                         "clock_freq", gd->bus_clk, 1);
 645 }
 646
 647 /*
 648  * For some CCSR devices, we only have the virtual address, not the physical
 649  * address.  This is because we map CCSR as a whole, so we typically don't need
 650  * a macro for the physical address of any device within CCSR.  In this case,
 651  * we calculate the physical address of that device using it's the difference
 652  * between the virtual address of the device and the virtual address of the
 653  * beginning of CCSR.
 654  */
 655 #define CCSR_VIRT_TO_PHYS(x) \
 656         (CONFIG_SYS_CCSRBAR_PHYS + ((x) - CONFIG_SYS_CCSRBAR))
 657
 658 /*
 659  * Verify the device tree
 660  *
 661  * This function compares several CONFIG_xxx macros that contain physical
 662  * addresses with the corresponding nodes in the device tree, to see if
 663  * the physical addresses are all correct.  For example, if
 664  * CONFIG_SYS_NS16550_COM1 is defined, then it contains the virtual address
 665  * of the first UART.  We convert this to a physical address and compare
 666  * that with the physical address of the first ns16550-compatible node
 667  * in the device tree.  If they don't match, then we display a warning.
 668  *
 669  * Returns 1 on success, 0 on failure
 670  */
 671 int ft_verify_fdt(void *fdt)
 672 {
 673         uint64_t ccsr = 0;
 674         int aliases;
 675         int off;
 676
 677         /* First check the CCSR base address */
 678         off = fdt_node_offset_by_prop_value(fdt, -1, "device_type", "soc", 4);
 679         if (off > 0)
 680                 ccsr = fdt_get_base_address(fdt, off);
 681
 682         if (!ccsr) {
 683                 printf("Warning: could not determine base CCSR address in "
 684                        "device tree\n");
 685                 /* No point in checking anything else */
 686                 return 0;
 687         }
 688
 689         if (ccsr != CONFIG_SYS_CCSRBAR_PHYS) {
 690                 printf("Warning: U-Boot configured CCSR at address %llx,\n"
 691                        "but the device tree has it at %llx\n",
 692                        (uint64_t) CONFIG_SYS_CCSRBAR_PHYS, ccsr);
 693                 /* No point in checking anything else */
 694                 return 0;
 695         }
 696
 697         /*
 698          * Get the 'aliases' node.  If there isn't one, then there's nothing
 699          * left to do.
 700          */
 701         aliases = fdt_path_offset(fdt, "/aliases");
 702         if (aliases > 0) {
 703 #ifdef CONFIG_SYS_NS16550_COM1
 704                 if (!fdt_verify_alias_address(fdt, aliases, "serial0",
 705                         CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM1)))
 706                         return 0;
 707 #endif
 708
 709 #ifdef CONFIG_SYS_NS16550_COM2
 710                 if (!fdt_verify_alias_address(fdt, aliases, "serial1",
 711                         CCSR_VIRT_TO_PHYS(CONFIG_SYS_NS16550_COM2)))
 712                         return 0;
 713 #endif
 714         }
 715
 716         return 1;
 717 }