common/board_f.c

   1 /*
   2  * Copyright (c) 2011 The Chromium OS Authors.
   3  * (C) Copyright 2002-2006
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  *
   6  * (C) Copyright 2002
   7  * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
   8  * Marius Groeger <mgroeger@sysgo.de>
   9  *
  10  * SPDX-License-Identifier:     GPL-2.0+
  11  */
  12
  13 #include <common.h>
  14 #include <linux/compiler.h>
  15 #include <version.h>
  16 #include <console.h>
  17 #include <environment.h>
  18 #include <dm.h>
  19 #include <fdtdec.h>
  20 #include <fs.h>
  21 #if defined(CONFIG_CMD_IDE)
  22 #include <ide.h>
  23 #endif
  24 #include <i2c.h>
  25 #include <initcall.h>
  26 #include <logbuff.h>
  27 #include <malloc.h>
  28 #include <mapmem.h>
  29
  30 /* TODO: Can we move these into arch/ headers? */
  31 #ifdef CONFIG_8xx
  32 #include <mpc8xx.h>
  33 #endif
  34 #ifdef CONFIG_5xx
  35 #include <mpc5xx.h>
  36 #endif
  37 #ifdef CONFIG_MPC5xxx
  38 #include <mpc5xxx.h>
  39 #endif
  40 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
  41 #include <asm/mp.h>
  42 #endif
  43
  44 #include <os.h>
  45 #include <post.h>
  46 #include <spi.h>
  47 #include <status_led.h>
  48 #include <timer.h>
  49 #include <trace.h>
  50 #include <video.h>
  51 #include <watchdog.h>
  52 #include <linux/errno.h>
  53 #include <asm/io.h>
  54 #include <asm/sections.h>
  55 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
  56 #include <asm/init_helpers.h>
  57 #endif
  58 #if defined(CONFIG_X86) || defined(CONFIG_ARC) || defined(CONFIG_XTENSA)
  59 #include <asm/relocate.h>
  60 #endif
  61 #include <dm/root.h>
  62 #include <linux/compiler.h>
  63
  64 /*
  65  * Pointer to initial global data area
  66  *
  67  * Here we initialize it if needed.
  68  */
  69 #ifdef XTRN_DECLARE_GLOBAL_DATA_PTR
  70 #undef  XTRN_DECLARE_GLOBAL_DATA_PTR
  71 #define XTRN_DECLARE_GLOBAL_DATA_PTR    /* empty = allocate here */
  72 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR);
  73 #else
  74 DECLARE_GLOBAL_DATA_PTR;
  75 #endif
  76
  77 /*
  78  * TODO(sjg@chromium.org): IMO this code should be
  79  * refactored to a single function, something like:
  80  *
  81  * void led_set_state(enum led_colour_t colour, int on);
  82  */
  83 /************************************************************************
  84  * Coloured LED functionality
  85  ************************************************************************
  86  * May be supplied by boards if desired
  87  */
  88 __weak void coloured_LED_init(void) {}
  89 __weak void red_led_on(void) {}
  90 __weak void red_led_off(void) {}
  91 __weak void green_led_on(void) {}
  92 __weak void green_led_off(void) {}
  93 __weak void yellow_led_on(void) {}
  94 __weak void yellow_led_off(void) {}
  95 __weak void blue_led_on(void) {}
  96 __weak void blue_led_off(void) {}
  97
  98 /*
  99  * Why is gd allocated a register? Prior to reloc it might be better to
 100  * just pass it around to each function in this file?
 101  *
 102  * After reloc one could argue that it is hardly used and doesn't need
 103  * to be in a register. Or if it is it should perhaps hold pointers to all
 104  * global data for all modules, so that post-reloc we can avoid the massive
 105  * literal pool we get on ARM. Or perhaps just encourage each module to use
 106  * a structure...
 107  */
 108
 109 /*
 110  * Could the CONFIG_SPL_BUILD infection become a flag in gd?
 111  */
 112
 113 #if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG)
 114 static int init_func_watchdog_init(void)
 115 {
 116 # if defined(CONFIG_HW_WATCHDOG) && \
 117         (defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \
 118         defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG) || \
 119         defined(CONFIG_DESIGNWARE_WATCHDOG) || \
 120         defined(CONFIG_IMX_WATCHDOG))
 121         hw_watchdog_init();
 122         puts("       Watchdog enabled\n");
 123 # endif
 124         WATCHDOG_RESET();
 125
 126         return 0;
 127 }
 128
 129 int init_func_watchdog_reset(void)
 130 {
 131         WATCHDOG_RESET();
 132
 133         return 0;
 134 }
 135 #endif /* CONFIG_WATCHDOG */
 136
 137 __weak void board_add_ram_info(int use_default)
 138 {
 139         /* please define platform specific board_add_ram_info() */
 140 }
 141
 142 static int init_baud_rate(void)
 143 {
 144         gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
 145         return 0;
 146 }
 147
 148 static int display_text_info(void)
 149 {
 150 #if !defined(CONFIG_SANDBOX) && !defined(CONFIG_EFI_APP)
 151         ulong bss_start, bss_end, text_base;
 152
 153         bss_start = (ulong)&__bss_start;
 154         bss_end = (ulong)&__bss_end;
 155
 156 #ifdef CONFIG_SYS_TEXT_BASE
 157         text_base = CONFIG_SYS_TEXT_BASE;
 158 #else
 159         text_base = CONFIG_SYS_MONITOR_BASE;
 160 #endif
 161
 162         debug("U-Boot code: %08lX -> %08lX  BSS: -> %08lX\n",
 163                 text_base, bss_start, bss_end);
 164 #endif
 165
 166 #ifdef CONFIG_USE_IRQ
 167         debug("IRQ Stack: %08lx\n", IRQ_STACK_START);
 168         debug("FIQ Stack: %08lx\n", FIQ_STACK_START);
 169 #endif
 170
 171         return 0;
 172 }
 173
 174 static int announce_dram_init(void)
 175 {
 176         puts("DRAM:  ");
 177         return 0;
 178 }
 179
 180 #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
 181 static int init_func_ram(void)
 182 {
 183         return initdram();
 184 }
 185 #endif
 186
 187 static int show_dram_config(void)
 188 {
 189         unsigned long long size;
 190
 191 #ifdef CONFIG_NR_DRAM_BANKS
 192         int i;
 193
 194         debug("\nRAM Configuration:\n");
 195         for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
 196                 size += gd->bd->bi_dram[i].size;
 197                 debug("Bank #%d: %llx ", i,
 198                       (unsigned long long)(gd->bd->bi_dram[i].start));
 199 #ifdef DEBUG
 200                 print_size(gd->bd->bi_dram[i].size, "\n");
 201 #endif
 202         }
 203         debug("\nDRAM:  ");
 204 #else
 205         size = gd->ram_size;
 206 #endif
 207
 208         print_size(size, "");
 209         board_add_ram_info(0);
 210         putc('\n');
 211
 212         return 0;
 213 }
 214
 215 __weak void dram_init_banksize(void)
 216 {
 217 #if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
 218         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 219         gd->bd->bi_dram[0].size = get_effective_memsize();
 220 #endif
 221 }
 222
 223 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 224 static int init_func_i2c(void)
 225 {
 226         puts("I2C:   ");
 227 #ifdef CONFIG_SYS_I2C
 228         i2c_init_all();
 229 #else
 230         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 231 #endif
 232         puts("ready\n");
 233         return 0;
 234 }
 235 #endif
 236
 237 #if defined(CONFIG_HARD_SPI)
 238 static int init_func_spi(void)
 239 {
 240         puts("SPI:   ");
 241         spi_init();
 242         puts("ready\n");
 243         return 0;
 244 }
 245 #endif
 246
 247 __maybe_unused
 248 static int zero_global_data(void)
 249 {
 250         memset((void *)gd, '\0', sizeof(gd_t));
 251
 252         return 0;
 253 }
 254
 255 static int setup_mon_len(void)
 256 {
 257 #if defined(__ARM__) || defined(__MICROBLAZE__)
 258         gd->mon_len = (ulong)&__bss_end - (ulong)_start;
 259 #elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP)
 260         gd->mon_len = (ulong)&_end - (ulong)_init;
 261 #elif defined(CONFIG_NIOS2) || defined(CONFIG_XTENSA)
 262         gd->mon_len = CONFIG_SYS_MONITOR_LEN;
 263 #elif defined(CONFIG_NDS32) || defined(CONFIG_SH)
 264         gd->mon_len = (ulong)(&__bss_end) - (ulong)(&_start);
 265 #elif defined(CONFIG_SYS_MONITOR_BASE)
 266         /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
 267         gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
 268 #endif
 269         return 0;
 270 }
 271
 272 __weak int arch_cpu_init(void)
 273 {
 274         return 0;
 275 }
 276
 277 __weak int mach_cpu_init(void)
 278 {
 279         return 0;
 280 }
 281
 282 /* Get the top of usable RAM */
 283 __weak ulong board_get_usable_ram_top(ulong total_size)
 284 {
 285 #ifdef CONFIG_SYS_SDRAM_BASE
 286         /*
 287          * Detect whether we have so much RAM that it goes past the end of our
 288          * 32-bit address space. If so, clip the usable RAM so it doesn't.
 289          */
 290         if (gd->ram_top < CONFIG_SYS_SDRAM_BASE)
 291                 /*
 292                  * Will wrap back to top of 32-bit space when reservations
 293                  * are made.
 294                  */
 295                 return 0;
 296 #endif
 297         return gd->ram_top;
 298 }
 299
 300 static int setup_dest_addr(void)
 301 {
 302         debug("Monitor len: %08lX\n", gd->mon_len);
 303         /*
 304          * Ram is setup, size stored in gd !!
 305          */
 306         debug("Ram size: %08lX\n", (ulong)gd->ram_size);
 307 #if defined(CONFIG_SYS_MEM_TOP_HIDE)
 308         /*
 309          * Subtract specified amount of memory to hide so that it won't
 310          * get "touched" at all by U-Boot. By fixing up gd->ram_size
 311          * the Linux kernel should now get passed the now "corrected"
 312          * memory size and won't touch it either. This should work
 313          * for arch/ppc and arch/powerpc. Only Linux board ports in
 314          * arch/powerpc with bootwrapper support, that recalculate the
 315          * memory size from the SDRAM controller setup will have to
 316          * get fixed.
 317          */
 318         gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
 319 #endif
 320 #ifdef CONFIG_SYS_SDRAM_BASE
 321         gd->ram_top = CONFIG_SYS_SDRAM_BASE;
 322 #endif
 323         gd->ram_top += get_effective_memsize();
 324         gd->ram_top = board_get_usable_ram_top(gd->mon_len);
 325         gd->relocaddr = gd->ram_top;
 326         debug("Ram top: %08lX\n", (ulong)gd->ram_top);
 327 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
 328         /*
 329          * We need to make sure the location we intend to put secondary core
 330          * boot code is reserved and not used by any part of u-boot
 331          */
 332         if (gd->relocaddr > determine_mp_bootpg(NULL)) {
 333                 gd->relocaddr = determine_mp_bootpg(NULL);
 334                 debug("Reserving MP boot page to %08lx\n", gd->relocaddr);
 335         }
 336 #endif
 337         return 0;
 338 }
 339
 340 #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
 341 static int reserve_logbuffer(void)
 342 {
 343         /* reserve kernel log buffer */
 344         gd->relocaddr -= LOGBUFF_RESERVE;
 345         debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
 346                 gd->relocaddr);
 347         return 0;
 348 }
 349 #endif
 350
 351 #ifdef CONFIG_PRAM
 352 /* reserve protected RAM */
 353 static int reserve_pram(void)
 354 {
 355         ulong reg;
 356
 357         reg = getenv_ulong("pram", 10, CONFIG_PRAM);
 358         gd->relocaddr -= (reg << 10);           /* size is in kB */
 359         debug("Reserving %ldk for protected RAM at %08lx\n", reg,
 360               gd->relocaddr);
 361         return 0;
 362 }
 363 #endif /* CONFIG_PRAM */
 364
 365 /* Round memory pointer down to next 4 kB limit */
 366 static int reserve_round_4k(void)
 367 {
 368         gd->relocaddr &= ~(4096 - 1);
 369         return 0;
 370 }
 371
 372 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
 373                 defined(CONFIG_ARM)
 374 static int reserve_mmu(void)
 375 {
 376         /* reserve TLB table */
 377         gd->arch.tlb_size = PGTABLE_SIZE;
 378         gd->relocaddr -= gd->arch.tlb_size;
 379
 380         /* round down to next 64 kB limit */
 381         gd->relocaddr &= ~(0x10000 - 1);
 382
 383         gd->arch.tlb_addr = gd->relocaddr;
 384         debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
 385               gd->arch.tlb_addr + gd->arch.tlb_size);
 386
 387 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
 388         /*
 389          * Record allocated tlb_addr in case gd->tlb_addr to be overwritten
 390          * with location within secure ram.
 391          */
 392         gd->arch.tlb_allocated = gd->arch.tlb_addr;
 393 #endif
 394
 395         return 0;
 396 }
 397 #endif
 398
 399 #ifdef CONFIG_DM_VIDEO
 400 static int reserve_video(void)
 401 {
 402         ulong addr;
 403         int ret;
 404
 405         addr = gd->relocaddr;
 406         ret = video_reserve(&addr);
 407         if (ret)
 408                 return ret;
 409         gd->relocaddr = addr;
 410
 411         return 0;
 412 }
 413 #else
 414
 415 # ifdef CONFIG_LCD
 416 static int reserve_lcd(void)
 417 {
 418 #  ifdef CONFIG_FB_ADDR
 419         gd->fb_base = CONFIG_FB_ADDR;
 420 #  else
 421         /* reserve memory for LCD display (always full pages) */
 422         gd->relocaddr = lcd_setmem(gd->relocaddr);
 423         gd->fb_base = gd->relocaddr;
 424 #  endif /* CONFIG_FB_ADDR */
 425
 426         return 0;
 427 }
 428 # endif /* CONFIG_LCD */
 429
 430 # if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
 431                 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
 432                 !defined(CONFIG_M68K)
 433 static int reserve_legacy_video(void)
 434 {
 435         /* reserve memory for video display (always full pages) */
 436         gd->relocaddr = video_setmem(gd->relocaddr);
 437         gd->fb_base = gd->relocaddr;
 438
 439         return 0;
 440 }
 441 # endif
 442 #endif /* !CONFIG_DM_VIDEO */
 443
 444 static int reserve_trace(void)
 445 {
 446 #ifdef CONFIG_TRACE
 447         gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE;
 448         gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE);
 449         debug("Reserving %dk for trace data at: %08lx\n",
 450               CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr);
 451 #endif
 452
 453         return 0;
 454 }
 455
 456 static int reserve_uboot(void)
 457 {
 458         /*
 459          * reserve memory for U-Boot code, data & bss
 460          * round down to next 4 kB limit
 461          */
 462         gd->relocaddr -= gd->mon_len;
 463         gd->relocaddr &= ~(4096 - 1);
 464 #ifdef CONFIG_E500
 465         /* round down to next 64 kB limit so that IVPR stays aligned */
 466         gd->relocaddr &= ~(65536 - 1);
 467 #endif
 468
 469         debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10,
 470               gd->relocaddr);
 471
 472         gd->start_addr_sp = gd->relocaddr;
 473
 474         return 0;
 475 }
 476
 477 #ifndef CONFIG_SPL_BUILD
 478 /* reserve memory for malloc() area */
 479 static int reserve_malloc(void)
 480 {
 481         gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
 482         debug("Reserving %dk for malloc() at: %08lx\n",
 483                         TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
 484         return 0;
 485 }
 486
 487 /* (permanently) allocate a Board Info struct */
 488 static int reserve_board(void)
 489 {
 490         if (!gd->bd) {
 491                 gd->start_addr_sp -= sizeof(bd_t);
 492                 gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t));
 493                 memset(gd->bd, '\0', sizeof(bd_t));
 494                 debug("Reserving %zu Bytes for Board Info at: %08lx\n",
 495                       sizeof(bd_t), gd->start_addr_sp);
 496         }
 497         return 0;
 498 }
 499 #endif
 500
 501 static int setup_machine(void)
 502 {
 503 #ifdef CONFIG_MACH_TYPE
 504         gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
 505 #endif
 506         return 0;
 507 }
 508
 509 static int reserve_global_data(void)
 510 {
 511         gd->start_addr_sp -= sizeof(gd_t);
 512         gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t));
 513         debug("Reserving %zu Bytes for Global Data at: %08lx\n",
 514                         sizeof(gd_t), gd->start_addr_sp);
 515         return 0;
 516 }
 517
 518 static int reserve_fdt(void)
 519 {
 520 #ifndef CONFIG_OF_EMBED
 521         /*
 522          * If the device tree is sitting immediately above our image then we
 523          * must relocate it. If it is embedded in the data section, then it
 524          * will be relocated with other data.
 525          */
 526         if (gd->fdt_blob) {
 527                 gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
 528
 529                 gd->start_addr_sp -= gd->fdt_size;
 530                 gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size);
 531                 debug("Reserving %lu Bytes for FDT at: %08lx\n",
 532                       gd->fdt_size, gd->start_addr_sp);
 533         }
 534 #endif
 535
 536         return 0;
 537 }
 538
 539 int arch_reserve_stacks(void)
 540 {
 541         return 0;
 542 }
 543
 544 static int reserve_stacks(void)
 545 {
 546         /* make stack pointer 16-byte aligned */
 547         gd->start_addr_sp -= 16;
 548         gd->start_addr_sp &= ~0xf;
 549
 550         /*
 551          * let the architecture-specific code tailor gd->start_addr_sp and
 552          * gd->irq_sp
 553          */
 554         return arch_reserve_stacks();
 555 }
 556
 557 static int display_new_sp(void)
 558 {
 559         debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp);
 560
 561         return 0;
 562 }
 563
 564 #if defined(CONFIG_M68K) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \
 565         defined(CONFIG_SH)
 566 static int setup_board_part1(void)
 567 {
 568         bd_t *bd = gd->bd;
 569
 570         /*
 571          * Save local variables to board info struct
 572          */
 573         bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;        /* start of memory */
 574         bd->bi_memsize = gd->ram_size;                  /* size in bytes */
 575
 576 #ifdef CONFIG_SYS_SRAM_BASE
 577         bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;        /* start of SRAM */
 578         bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;         /* size  of SRAM */
 579 #endif
 580
 581 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
 582                 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
 583         bd->bi_immr_base = CONFIG_SYS_IMMR;     /* base  of IMMR register     */
 584 #endif
 585 #if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
 586         bd->bi_mbar_base = CONFIG_SYS_MBAR;     /* base of internal registers */
 587 #endif
 588 #if defined(CONFIG_MPC83xx)
 589         bd->bi_immrbar = CONFIG_SYS_IMMR;
 590 #endif
 591
 592         return 0;
 593 }
 594 #endif
 595
 596 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 597 static int setup_board_part2(void)
 598 {
 599         bd_t *bd = gd->bd;
 600
 601         bd->bi_intfreq = gd->cpu_clk;   /* Internal Freq, in Hz */
 602         bd->bi_busfreq = gd->bus_clk;   /* Bus Freq,      in Hz */
 603 #if defined(CONFIG_CPM2)
 604         bd->bi_cpmfreq = gd->arch.cpm_clk;
 605         bd->bi_brgfreq = gd->arch.brg_clk;
 606         bd->bi_sccfreq = gd->arch.scc_clk;
 607         bd->bi_vco = gd->arch.vco_out;
 608 #endif /* CONFIG_CPM2 */
 609 #if defined(CONFIG_MPC512X)
 610         bd->bi_ipsfreq = gd->arch.ips_clk;
 611 #endif /* CONFIG_MPC512X */
 612 #if defined(CONFIG_MPC5xxx)
 613         bd->bi_ipbfreq = gd->arch.ipb_clk;
 614         bd->bi_pcifreq = gd->pci_clk;
 615 #endif /* CONFIG_MPC5xxx */
 616 #if defined(CONFIG_M68K) && defined(CONFIG_PCI)
 617         bd->bi_pcifreq = gd->pci_clk;
 618 #endif
 619 #if defined(CONFIG_EXTRA_CLOCK)
 620         bd->bi_inpfreq = gd->arch.inp_clk;      /* input Freq in Hz */
 621         bd->bi_vcofreq = gd->arch.vco_clk;      /* vco Freq in Hz */
 622         bd->bi_flbfreq = gd->arch.flb_clk;      /* flexbus Freq in Hz */
 623 #endif
 624
 625         return 0;
 626 }
 627 #endif
 628
 629 #ifdef CONFIG_SYS_EXTBDINFO
 630 static int setup_board_extra(void)
 631 {
 632         bd_t *bd = gd->bd;
 633
 634         strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
 635         strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
 636                 sizeof(bd->bi_r_version));
 637
 638         bd->bi_procfreq = gd->cpu_clk;  /* Processor Speed, In Hz */
 639         bd->bi_plb_busfreq = gd->bus_clk;
 640 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
 641                 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
 642                 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 643         bd->bi_pci_busfreq = get_PCI_freq();
 644         bd->bi_opbfreq = get_OPB_freq();
 645 #elif defined(CONFIG_XILINX_405)
 646         bd->bi_pci_busfreq = get_PCI_freq();
 647 #endif
 648
 649         return 0;
 650 }
 651 #endif
 652
 653 #ifdef CONFIG_POST
 654 static int init_post(void)
 655 {
 656         post_bootmode_init();
 657         post_run(NULL, POST_ROM | post_bootmode_get(0));
 658
 659         return 0;
 660 }
 661 #endif
 662
 663 static int setup_dram_config(void)
 664 {
 665         /* Ram is board specific, so move it to board code ... */
 666         dram_init_banksize();
 667
 668         return 0;
 669 }
 670
 671 static int reloc_fdt(void)
 672 {
 673 #ifndef CONFIG_OF_EMBED
 674         if (gd->flags & GD_FLG_SKIP_RELOC)
 675                 return 0;
 676         if (gd->new_fdt) {
 677                 memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size);
 678                 gd->fdt_blob = gd->new_fdt;
 679         }
 680 #endif
 681
 682         return 0;
 683 }
 684
 685 static int setup_reloc(void)
 686 {
 687         if (gd->flags & GD_FLG_SKIP_RELOC) {
 688                 debug("Skipping relocation due to flag\n");
 689                 return 0;
 690         }
 691
 692 #ifdef CONFIG_SYS_TEXT_BASE
 693         gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
 694 #ifdef CONFIG_M68K
 695         /*
 696          * On all ColdFire arch cpu, monitor code starts always
 697          * just after the default vector table location, so at 0x400
 698          */
 699         gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400);
 700 #endif
 701 #endif
 702         memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
 703
 704         debug("Relocation Offset is: %08lx\n", gd->reloc_off);
 705         debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n",
 706               gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd),
 707               gd->start_addr_sp);
 708
 709         return 0;
 710 }
 711
 712 #ifdef CONFIG_OF_BOARD_FIXUP
 713 static int fix_fdt(void)
 714 {
 715         return board_fix_fdt((void *)gd->fdt_blob);
 716 }
 717 #endif
 718
 719 /* ARM calls relocate_code from its crt0.S */
 720 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
 721                 !CONFIG_IS_ENABLED(X86_64)
 722
 723 static int jump_to_copy(void)
 724 {
 725         if (gd->flags & GD_FLG_SKIP_RELOC)
 726                 return 0;
 727         /*
 728          * x86 is special, but in a nice way. It uses a trampoline which
 729          * enables the dcache if possible.
 730          *
 731          * For now, other archs use relocate_code(), which is implemented
 732          * similarly for all archs. When we do generic relocation, hopefully
 733          * we can make all archs enable the dcache prior to relocation.
 734          */
 735 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
 736         /*
 737          * SDRAM and console are now initialised. The final stack can now
 738          * be setup in SDRAM. Code execution will continue in Flash, but
 739          * with the stack in SDRAM and Global Data in temporary memory
 740          * (CPU cache)
 741          */
 742         arch_setup_gd(gd->new_gd);
 743         board_init_f_r_trampoline(gd->start_addr_sp);
 744 #else
 745         relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr);
 746 #endif
 747
 748         return 0;
 749 }
 750 #endif
 751
 752 /* Record the board_init_f() bootstage (after arch_cpu_init()) */
 753 static int mark_bootstage(void)
 754 {
 755         bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
 756
 757         return 0;
 758 }
 759
 760 static int initf_console_record(void)
 761 {
 762 #if defined(CONFIG_CONSOLE_RECORD) && defined(CONFIG_SYS_MALLOC_F_LEN)
 763         return console_record_init();
 764 #else
 765         return 0;
 766 #endif
 767 }
 768
 769 static int initf_dm(void)
 770 {
 771 #if defined(CONFIG_DM) && defined(CONFIG_SYS_MALLOC_F_LEN)
 772         int ret;
 773
 774         ret = dm_init_and_scan(true);
 775         if (ret)
 776                 return ret;
 777 #endif
 778 #ifdef CONFIG_TIMER_EARLY
 779         ret = dm_timer_init();
 780         if (ret)
 781                 return ret;
 782 #endif
 783
 784         return 0;
 785 }
 786
 787 /* Architecture-specific memory reservation */
 788 __weak int reserve_arch(void)
 789 {
 790         return 0;
 791 }
 792
 793 __weak int arch_cpu_init_dm(void)
 794 {
 795         return 0;
 796 }
 797
 798 static const init_fnc_t init_sequence_f[] = {
 799         setup_mon_len,
 800 #ifdef CONFIG_OF_CONTROL
 801         fdtdec_setup,
 802 #endif
 803 #ifdef CONFIG_TRACE
 804         trace_early_init,
 805 #endif
 806         initf_malloc,
 807         initf_console_record,
 808 #if defined(CONFIG_HAVE_FSP)
 809         arch_fsp_init,
 810 #endif
 811         arch_cpu_init,          /* basic arch cpu dependent setup */
 812         mach_cpu_init,          /* SoC/machine dependent CPU setup */
 813         initf_dm,
 814         arch_cpu_init_dm,
 815         mark_bootstage,         /* need timer, go after init dm */
 816 #if defined(CONFIG_BOARD_EARLY_INIT_F)
 817         board_early_init_f,
 818 #endif
 819 #if defined(CONFIG_PPC) || defined(CONFIG_SYS_FSL_CLK) || defined(CONFIG_M68K)
 820         /* get CPU and bus clocks according to the environment variable */
 821         get_clocks,             /* get CPU and bus clocks (etc.) */
 822 #endif
 823         timer_init,             /* initialize timer */
 824 #if defined(CONFIG_BOARD_POSTCLK_INIT)
 825         board_postclk_init,
 826 #endif
 827         env_init,               /* initialize environment */
 828         init_baud_rate,         /* initialze baudrate settings */
 829         serial_init,            /* serial communications setup */
 830         console_init_f,         /* stage 1 init of console */
 831         display_options,        /* say that we are here */
 832         display_text_info,      /* show debugging info if required */
 833 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SH) || \
 834                 defined(CONFIG_X86)
 835         checkcpu,
 836 #endif
 837 #if defined(CONFIG_DISPLAY_CPUINFO)
 838         print_cpuinfo,          /* display cpu info (and speed) */
 839 #endif
 840 #if defined(CONFIG_DISPLAY_BOARDINFO)
 841         show_board_info,
 842 #endif
 843         INIT_FUNC_WATCHDOG_INIT
 844 #if defined(CONFIG_MISC_INIT_F)
 845         misc_init_f,
 846 #endif
 847         INIT_FUNC_WATCHDOG_RESET
 848 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 849         init_func_i2c,
 850 #endif
 851 #if defined(CONFIG_HARD_SPI)
 852         init_func_spi,
 853 #endif
 854         announce_dram_init,
 855         /* TODO: unify all these dram functions? */
 856 #if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_NDS32) || \
 857                 defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32) || \
 858                 defined(CONFIG_SH)
 859         dram_init,              /* configure available RAM banks */
 860 #endif
 861 #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
 862         init_func_ram,
 863 #endif
 864 #ifdef CONFIG_POST
 865         post_init_f,
 866 #endif
 867         INIT_FUNC_WATCHDOG_RESET
 868 #if defined(CONFIG_SYS_DRAM_TEST)
 869         testdram,
 870 #endif /* CONFIG_SYS_DRAM_TEST */
 871         INIT_FUNC_WATCHDOG_RESET
 872
 873 #ifdef CONFIG_POST
 874         init_post,
 875 #endif
 876         INIT_FUNC_WATCHDOG_RESET
 877         /*
 878          * Now that we have DRAM mapped and working, we can
 879          * relocate the code and continue running from DRAM.
 880          *
 881          * Reserve memory at end of RAM for (top down in that order):
 882          *  - area that won't get touched by U-Boot and Linux (optional)
 883          *  - kernel log buffer
 884          *  - protected RAM
 885          *  - LCD framebuffer
 886          *  - monitor code
 887          *  - board info struct
 888          */
 889         setup_dest_addr,
 890 #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
 891         reserve_logbuffer,
 892 #endif
 893 #ifdef CONFIG_PRAM
 894         reserve_pram,
 895 #endif
 896         reserve_round_4k,
 897 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
 898                 defined(CONFIG_ARM)
 899         reserve_mmu,
 900 #endif
 901 #ifdef CONFIG_DM_VIDEO
 902         reserve_video,
 903 #else
 904 # ifdef CONFIG_LCD
 905         reserve_lcd,
 906 # endif
 907         /* TODO: Why the dependency on CONFIG_8xx? */
 908 # if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
 909                 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
 910                 !defined(CONFIG_M68K)
 911         reserve_legacy_video,
 912 # endif
 913 #endif /* CONFIG_DM_VIDEO */
 914         reserve_trace,
 915         reserve_uboot,
 916 #ifndef CONFIG_SPL_BUILD
 917         reserve_malloc,
 918         reserve_board,
 919 #endif
 920         setup_machine,
 921         reserve_global_data,
 922         reserve_fdt,
 923         reserve_arch,
 924         reserve_stacks,
 925         setup_dram_config,
 926         show_dram_config,
 927 #if defined(CONFIG_M68K) || defined(CONFIG_MIPS) || defined(CONFIG_PPC) || \
 928         defined(CONFIG_SH)
 929         setup_board_part1,
 930 #endif
 931 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 932         INIT_FUNC_WATCHDOG_RESET
 933         setup_board_part2,
 934 #endif
 935         display_new_sp,
 936 #ifdef CONFIG_SYS_EXTBDINFO
 937         setup_board_extra,
 938 #endif
 939 #ifdef CONFIG_OF_BOARD_FIXUP
 940         fix_fdt,
 941 #endif
 942         INIT_FUNC_WATCHDOG_RESET
 943         reloc_fdt,
 944         setup_reloc,
 945 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
 946         copy_uboot_to_ram,
 947         do_elf_reloc_fixups,
 948         clear_bss,
 949 #endif
 950 #if defined(CONFIG_XTENSA)
 951         clear_bss,
 952 #endif
 953 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
 954                 !CONFIG_IS_ENABLED(X86_64)
 955         jump_to_copy,
 956 #endif
 957         NULL,
 958 };
 959
 960 void board_init_f(ulong boot_flags)
 961 {
 962 #ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA
 963         /*
 964          * For some architectures, global data is initialized and used before
 965          * calling this function. The data should be preserved. For others,
 966          * CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack
 967          * here to host global data until relocation.
 968          */
 969         gd_t data;
 970
 971         gd = &data;
 972
 973         /*
 974          * Clear global data before it is accessed at debug print
 975          * in initcall_run_list. Otherwise the debug print probably
 976          * get the wrong value of gd->have_console.
 977          */
 978         zero_global_data();
 979 #endif
 980
 981         gd->flags = boot_flags;
 982         gd->have_console = 0;
 983
 984         if (initcall_run_list(init_sequence_f))
 985                 hang();
 986
 987 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
 988                 !defined(CONFIG_EFI_APP) && !CONFIG_IS_ENABLED(X86_64)
 989         /* NOTREACHED - jump_to_copy() does not return */
 990         hang();
 991 #endif
 992 }
 993
 994 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
 995 /*
 996  * For now this code is only used on x86.
 997  *
 998  * init_sequence_f_r is the list of init functions which are run when
 999  * U-Boot is executing from Flash with a semi-limited 'C' environment.
1000  * The following limitations must be considered when implementing an
1001  * '_f_r' function:
1002  *  - 'static' variables are read-only
1003  *  - Global Data (gd->xxx) is read/write
1004  *
1005  * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if
1006  * supported).  It _should_, if possible, copy global data to RAM and
1007  * initialise the CPU caches (to speed up the relocation process)
1008  *
1009  * NOTE: At present only x86 uses this route, but it is intended that
1010  * all archs will move to this when generic relocation is implemented.
1011  */
1012 static const init_fnc_t init_sequence_f_r[] = {
1013 #if !CONFIG_IS_ENABLED(X86_64)
1014         init_cache_f_r,
1015 #endif
1016
1017         NULL,
1018 };
1019
1020 void board_init_f_r(void)
1021 {
1022         if (initcall_run_list(init_sequence_f_r))
1023                 hang();
1024
1025         /*
1026          * The pre-relocation drivers may be using memory that has now gone
1027          * away. Mark serial as unavailable - this will fall back to the debug
1028          * UART if available.
1029          */
1030         gd->flags &= ~GD_FLG_SERIAL_READY;
1031
1032         /*
1033          * U-Boot has been copied into SDRAM, the BSS has been cleared etc.
1034          * Transfer execution from Flash to RAM by calculating the address
1035          * of the in-RAM copy of board_init_r() and calling it
1036          */
1037         (board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr);
1038
1039         /* NOTREACHED - board_init_r() does not return */
1040         hang();
1041 }
1042 #endif /* CONFIG_X86 */