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