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