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 <trace.h>
  49 #include <watchdog.h>
  50 #include <asm/errno.h>
  51 #include <asm/io.h>
  52 #include <asm/sections.h>
  53 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
  54 #include <asm/init_helpers.h>
  55 #include <asm/relocate.h>
  56 #endif
  57 #ifdef CONFIG_SANDBOX
  58 #include <asm/state.h>
  59 #endif
  60 #include <dm/root.h>
  61 #include <linux/compiler.h>
  62
  63 /*
  64  * Pointer to initial global data area
  65  *
  66  * Here we initialize it if needed.
  67  */
  68 #ifdef XTRN_DECLARE_GLOBAL_DATA_PTR
  69 #undef  XTRN_DECLARE_GLOBAL_DATA_PTR
  70 #define XTRN_DECLARE_GLOBAL_DATA_PTR    /* empty = allocate here */
  71 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_GD_ADDR);
  72 #else
  73 DECLARE_GLOBAL_DATA_PTR;
  74 #endif
  75
  76 /*
  77  * TODO(sjg@chromium.org): IMO this code should be
  78  * refactored to a single function, something like:
  79  *
  80  * void led_set_state(enum led_colour_t colour, int on);
  81  */
  82 /************************************************************************
  83  * Coloured LED functionality
  84  ************************************************************************
  85  * May be supplied by boards if desired
  86  */
  87 __weak void coloured_LED_init(void) {}
  88 __weak void red_led_on(void) {}
  89 __weak void red_led_off(void) {}
  90 __weak void green_led_on(void) {}
  91 __weak void green_led_off(void) {}
  92 __weak void yellow_led_on(void) {}
  93 __weak void yellow_led_off(void) {}
  94 __weak void blue_led_on(void) {}
  95 __weak void blue_led_off(void) {}
  96
  97 /*
  98  * Why is gd allocated a register? Prior to reloc it might be better to
  99  * just pass it around to each function in this file?
 100  *
 101  * After reloc one could argue that it is hardly used and doesn't need
 102  * to be in a register. Or if it is it should perhaps hold pointers to all
 103  * global data for all modules, so that post-reloc we can avoid the massive
 104  * literal pool we get on ARM. Or perhaps just encourage each module to use
 105  * a structure...
 106  */
 107
 108 /*
 109  * Could the CONFIG_SPL_BUILD infection become a flag in gd?
 110  */
 111
 112 #if defined(CONFIG_WATCHDOG) || defined(CONFIG_HW_WATCHDOG)
 113 static int init_func_watchdog_init(void)
 114 {
 115 # if defined(CONFIG_HW_WATCHDOG) && (defined(CONFIG_BLACKFIN) || \
 116         defined(CONFIG_M68K) || defined(CONFIG_MICROBLAZE) || \
 117         defined(CONFIG_SH) || defined(CONFIG_AT91SAM9_WATCHDOG) || \
 118         defined(CONFIG_IMX_WATCHDOG))
 119         hw_watchdog_init();
 120 # endif
 121         puts("       Watchdog enabled\n");
 122         WATCHDOG_RESET();
 123
 124         return 0;
 125 }
 126
 127 int init_func_watchdog_reset(void)
 128 {
 129         WATCHDOG_RESET();
 130
 131         return 0;
 132 }
 133 #endif /* CONFIG_WATCHDOG */
 134
 135 __weak void board_add_ram_info(int use_default)
 136 {
 137         /* please define platform specific board_add_ram_info() */
 138 }
 139
 140 static int init_baud_rate(void)
 141 {
 142         gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
 143         return 0;
 144 }
 145
 146 static int display_text_info(void)
 147 {
 148 #if !defined(CONFIG_SANDBOX) && !defined(CONFIG_EFI_APP)
 149         ulong bss_start, bss_end, text_base;
 150
 151         bss_start = (ulong)&__bss_start;
 152         bss_end = (ulong)&__bss_end;
 153
 154 #ifdef CONFIG_SYS_TEXT_BASE
 155         text_base = CONFIG_SYS_TEXT_BASE;
 156 #else
 157         text_base = CONFIG_SYS_MONITOR_BASE;
 158 #endif
 159
 160         debug("U-Boot code: %08lX -> %08lX  BSS: -> %08lX\n",
 161                 text_base, bss_start, bss_end);
 162 #endif
 163
 164 #ifdef CONFIG_MODEM_SUPPORT
 165         debug("Modem Support enabled\n");
 166 #endif
 167 #ifdef CONFIG_USE_IRQ
 168         debug("IRQ Stack: %08lx\n", IRQ_STACK_START);
 169         debug("FIQ Stack: %08lx\n", FIQ_STACK_START);
 170 #endif
 171
 172         return 0;
 173 }
 174
 175 static int announce_dram_init(void)
 176 {
 177         puts("DRAM:  ");
 178         return 0;
 179 }
 180
 181 #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
 182 static int init_func_ram(void)
 183 {
 184 #ifdef  CONFIG_BOARD_TYPES
 185         int board_type = gd->board_type;
 186 #else
 187         int board_type = 0;     /* use dummy arg */
 188 #endif
 189
 190         gd->ram_size = initdram(board_type);
 191
 192         if (gd->ram_size > 0)
 193                 return 0;
 194
 195         puts("*** failed ***\n");
 196         return 1;
 197 }
 198 #endif
 199
 200 static int show_dram_config(void)
 201 {
 202         unsigned long long size;
 203
 204 #ifdef CONFIG_NR_DRAM_BANKS
 205         int i;
 206
 207         debug("\nRAM Configuration:\n");
 208         for (i = size = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
 209                 size += gd->bd->bi_dram[i].size;
 210                 debug("Bank #%d: %llx ", i,
 211                       (unsigned long long)(gd->bd->bi_dram[i].start));
 212 #ifdef DEBUG
 213                 print_size(gd->bd->bi_dram[i].size, "\n");
 214 #endif
 215         }
 216         debug("\nDRAM:  ");
 217 #else
 218         size = gd->ram_size;
 219 #endif
 220
 221         print_size(size, "");
 222         board_add_ram_info(0);
 223         putc('\n');
 224
 225         return 0;
 226 }
 227
 228 __weak void dram_init_banksize(void)
 229 {
 230 #if defined(CONFIG_NR_DRAM_BANKS) && defined(CONFIG_SYS_SDRAM_BASE)
 231         gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
 232         gd->bd->bi_dram[0].size = get_effective_memsize();
 233 #endif
 234 }
 235
 236 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 237 static int init_func_i2c(void)
 238 {
 239         puts("I2C:   ");
 240 #ifdef CONFIG_SYS_I2C
 241         i2c_init_all();
 242 #else
 243         i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 244 #endif
 245         puts("ready\n");
 246         return 0;
 247 }
 248 #endif
 249
 250 #if defined(CONFIG_HARD_SPI)
 251 static int init_func_spi(void)
 252 {
 253         puts("SPI:   ");
 254         spi_init();
 255         puts("ready\n");
 256         return 0;
 257 }
 258 #endif
 259
 260 __maybe_unused
 261 static int zero_global_data(void)
 262 {
 263         memset((void *)gd, '\0', sizeof(gd_t));
 264
 265         return 0;
 266 }
 267
 268 static int setup_mon_len(void)
 269 {
 270 #if defined(__ARM__) || defined(__MICROBLAZE__)
 271         gd->mon_len = (ulong)&__bss_end - (ulong)_start;
 272 #elif defined(CONFIG_SANDBOX) || defined(CONFIG_EFI_APP)
 273         gd->mon_len = (ulong)&_end - (ulong)_init;
 274 #elif defined(CONFIG_BLACKFIN) || defined(CONFIG_NIOS2)
 275         gd->mon_len = CONFIG_SYS_MONITOR_LEN;
 276 #elif defined(CONFIG_NDS32)
 277         gd->mon_len = (ulong)(&__bss_end) - (ulong)(&_start);
 278 #else
 279         /* TODO: use (ulong)&__bss_end - (ulong)&__text_start; ? */
 280         gd->mon_len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
 281 #endif
 282         return 0;
 283 }
 284
 285 __weak int arch_cpu_init(void)
 286 {
 287         return 0;
 288 }
 289
 290 #ifdef CONFIG_SANDBOX
 291 static int setup_ram_buf(void)
 292 {
 293         struct sandbox_state *state = state_get_current();
 294
 295         gd->arch.ram_buf = state->ram_buf;
 296         gd->ram_size = state->ram_size;
 297
 298         return 0;
 299 }
 300 #endif
 301
 302 /* Get the top of usable RAM */
 303 __weak ulong board_get_usable_ram_top(ulong total_size)
 304 {
 305 #ifdef CONFIG_SYS_SDRAM_BASE
 306         /*
 307          * Detect whether we have so much RAM that it goes past the end of our
 308          * 32-bit address space. If so, clip the usable RAM so it doesn't.
 309          */
 310         if (gd->ram_top < CONFIG_SYS_SDRAM_BASE)
 311                 /*
 312                  * Will wrap back to top of 32-bit space when reservations
 313                  * are made.
 314                  */
 315                 return 0;
 316 #endif
 317         return gd->ram_top;
 318 }
 319
 320 static int setup_dest_addr(void)
 321 {
 322         debug("Monitor len: %08lX\n", gd->mon_len);
 323         /*
 324          * Ram is setup, size stored in gd !!
 325          */
 326         debug("Ram size: %08lX\n", (ulong)gd->ram_size);
 327 #if defined(CONFIG_SYS_MEM_TOP_HIDE)
 328         /*
 329          * Subtract specified amount of memory to hide so that it won't
 330          * get "touched" at all by U-Boot. By fixing up gd->ram_size
 331          * the Linux kernel should now get passed the now "corrected"
 332          * memory size and won't touch it either. This should work
 333          * for arch/ppc and arch/powerpc. Only Linux board ports in
 334          * arch/powerpc with bootwrapper support, that recalculate the
 335          * memory size from the SDRAM controller setup will have to
 336          * get fixed.
 337          */
 338         gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
 339 #endif
 340 #ifdef CONFIG_SYS_SDRAM_BASE
 341         gd->ram_top = CONFIG_SYS_SDRAM_BASE;
 342 #endif
 343         gd->ram_top += get_effective_memsize();
 344         gd->ram_top = board_get_usable_ram_top(gd->mon_len);
 345         gd->relocaddr = gd->ram_top;
 346         debug("Ram top: %08lX\n", (ulong)gd->ram_top);
 347 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
 348         /*
 349          * We need to make sure the location we intend to put secondary core
 350          * boot code is reserved and not used by any part of u-boot
 351          */
 352         if (gd->relocaddr > determine_mp_bootpg(NULL)) {
 353                 gd->relocaddr = determine_mp_bootpg(NULL);
 354                 debug("Reserving MP boot page to %08lx\n", gd->relocaddr);
 355         }
 356 #endif
 357         return 0;
 358 }
 359
 360 #if defined(CONFIG_SPARC)
 361 static int reserve_prom(void)
 362 {
 363         /* defined in arch/sparc/cpu/leon?/prom.c */
 364         extern void *__prom_start_reloc;
 365         int size = 8192; /* page table = 2k, prom = 6k */
 366         gd->relocaddr -= size;
 367         __prom_start_reloc = map_sysmem(gd->relocaddr + 2048, size - 2048);
 368         debug("Reserving %dk for PROM and page table at %08lx\n", size,
 369                 gd->relocaddr);
 370         return 0;
 371 }
 372 #endif
 373
 374 #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
 375 static int reserve_logbuffer(void)
 376 {
 377         /* reserve kernel log buffer */
 378         gd->relocaddr -= LOGBUFF_RESERVE;
 379         debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
 380                 gd->relocaddr);
 381         return 0;
 382 }
 383 #endif
 384
 385 #ifdef CONFIG_PRAM
 386 /* reserve protected RAM */
 387 static int reserve_pram(void)
 388 {
 389         ulong reg;
 390
 391         reg = getenv_ulong("pram", 10, CONFIG_PRAM);
 392         gd->relocaddr -= (reg << 10);           /* size is in kB */
 393         debug("Reserving %ldk for protected RAM at %08lx\n", reg,
 394               gd->relocaddr);
 395         return 0;
 396 }
 397 #endif /* CONFIG_PRAM */
 398
 399 /* Round memory pointer down to next 4 kB limit */
 400 static int reserve_round_4k(void)
 401 {
 402         gd->relocaddr &= ~(4096 - 1);
 403         return 0;
 404 }
 405
 406 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
 407                 defined(CONFIG_ARM)
 408 static int reserve_mmu(void)
 409 {
 410         /* reserve TLB table */
 411         gd->arch.tlb_size = PGTABLE_SIZE;
 412         gd->relocaddr -= gd->arch.tlb_size;
 413
 414         /* round down to next 64 kB limit */
 415         gd->relocaddr &= ~(0x10000 - 1);
 416
 417         gd->arch.tlb_addr = gd->relocaddr;
 418         debug("TLB table from %08lx to %08lx\n", gd->arch.tlb_addr,
 419               gd->arch.tlb_addr + gd->arch.tlb_size);
 420         return 0;
 421 }
 422 #endif
 423
 424 #ifdef CONFIG_LCD
 425 static int reserve_lcd(void)
 426 {
 427 #ifdef CONFIG_FB_ADDR
 428         gd->fb_base = CONFIG_FB_ADDR;
 429 #else
 430         /* reserve memory for LCD display (always full pages) */
 431         gd->relocaddr = lcd_setmem(gd->relocaddr);
 432         gd->fb_base = gd->relocaddr;
 433 #endif /* CONFIG_FB_ADDR */
 434         return 0;
 435 }
 436 #endif /* CONFIG_LCD */
 437
 438 static int reserve_trace(void)
 439 {
 440 #ifdef CONFIG_TRACE
 441         gd->relocaddr -= CONFIG_TRACE_BUFFER_SIZE;
 442         gd->trace_buff = map_sysmem(gd->relocaddr, CONFIG_TRACE_BUFFER_SIZE);
 443         debug("Reserving %dk for trace data at: %08lx\n",
 444               CONFIG_TRACE_BUFFER_SIZE >> 10, gd->relocaddr);
 445 #endif
 446
 447         return 0;
 448 }
 449
 450 #if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
 451                 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
 452                 !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
 453 static int reserve_video(void)
 454 {
 455         /* reserve memory for video display (always full pages) */
 456         gd->relocaddr = video_setmem(gd->relocaddr);
 457         gd->fb_base = gd->relocaddr;
 458
 459         return 0;
 460 }
 461 #endif
 462
 463 static int reserve_uboot(void)
 464 {
 465         /*
 466          * reserve memory for U-Boot code, data & bss
 467          * round down to next 4 kB limit
 468          */
 469         gd->relocaddr -= gd->mon_len;
 470         gd->relocaddr &= ~(4096 - 1);
 471 #ifdef CONFIG_E500
 472         /* round down to next 64 kB limit so that IVPR stays aligned */
 473         gd->relocaddr &= ~(65536 - 1);
 474 #endif
 475
 476         debug("Reserving %ldk for U-Boot at: %08lx\n", gd->mon_len >> 10,
 477               gd->relocaddr);
 478
 479         gd->start_addr_sp = gd->relocaddr;
 480
 481         return 0;
 482 }
 483
 484 #ifndef CONFIG_SPL_BUILD
 485 /* reserve memory for malloc() area */
 486 static int reserve_malloc(void)
 487 {
 488         gd->start_addr_sp = gd->start_addr_sp - TOTAL_MALLOC_LEN;
 489         debug("Reserving %dk for malloc() at: %08lx\n",
 490                         TOTAL_MALLOC_LEN >> 10, gd->start_addr_sp);
 491         return 0;
 492 }
 493
 494 /* (permanently) allocate a Board Info struct */
 495 static int reserve_board(void)
 496 {
 497         if (!gd->bd) {
 498                 gd->start_addr_sp -= sizeof(bd_t);
 499                 gd->bd = (bd_t *)map_sysmem(gd->start_addr_sp, sizeof(bd_t));
 500                 memset(gd->bd, '\0', sizeof(bd_t));
 501                 debug("Reserving %zu Bytes for Board Info at: %08lx\n",
 502                       sizeof(bd_t), gd->start_addr_sp);
 503         }
 504         return 0;
 505 }
 506 #endif
 507
 508 static int setup_machine(void)
 509 {
 510 #ifdef CONFIG_MACH_TYPE
 511         gd->bd->bi_arch_number = CONFIG_MACH_TYPE; /* board id for Linux */
 512 #endif
 513         return 0;
 514 }
 515
 516 static int reserve_global_data(void)
 517 {
 518         gd->start_addr_sp -= sizeof(gd_t);
 519         gd->new_gd = (gd_t *)map_sysmem(gd->start_addr_sp, sizeof(gd_t));
 520         debug("Reserving %zu Bytes for Global Data at: %08lx\n",
 521                         sizeof(gd_t), gd->start_addr_sp);
 522         return 0;
 523 }
 524
 525 static int reserve_fdt(void)
 526 {
 527 #ifndef CONFIG_OF_EMBED
 528         /*
 529          * If the device tree is sitting immediately above our image then we
 530          * must relocate it. If it is embedded in the data section, then it
 531          * will be relocated with other data.
 532          */
 533         if (gd->fdt_blob) {
 534                 gd->fdt_size = ALIGN(fdt_totalsize(gd->fdt_blob) + 0x1000, 32);
 535
 536                 gd->start_addr_sp -= gd->fdt_size;
 537                 gd->new_fdt = map_sysmem(gd->start_addr_sp, gd->fdt_size);
 538                 debug("Reserving %lu Bytes for FDT at: %08lx\n",
 539                       gd->fdt_size, gd->start_addr_sp);
 540         }
 541 #endif
 542
 543         return 0;
 544 }
 545
 546 int arch_reserve_stacks(void)
 547 {
 548         return 0;
 549 }
 550
 551 static int reserve_stacks(void)
 552 {
 553         /* make stack pointer 16-byte aligned */
 554         gd->start_addr_sp -= 16;
 555         gd->start_addr_sp &= ~0xf;
 556
 557         /*
 558          * let the architecture-specific code tailor gd->start_addr_sp and
 559          * gd->irq_sp
 560          */
 561         return arch_reserve_stacks();
 562 }
 563
 564 static int display_new_sp(void)
 565 {
 566         debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp);
 567
 568         return 0;
 569 }
 570
 571 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
 572 static int setup_board_part1(void)
 573 {
 574         bd_t *bd = gd->bd;
 575
 576         /*
 577          * Save local variables to board info struct
 578          */
 579         bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;        /* start of memory */
 580         bd->bi_memsize = gd->ram_size;                  /* size in bytes */
 581
 582 #ifdef CONFIG_SYS_SRAM_BASE
 583         bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;        /* start of SRAM */
 584         bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;         /* size  of SRAM */
 585 #endif
 586
 587 #if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
 588                 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
 589         bd->bi_immr_base = CONFIG_SYS_IMMR;     /* base  of IMMR register     */
 590 #endif
 591 #if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
 592         bd->bi_mbar_base = CONFIG_SYS_MBAR;     /* base of internal registers */
 593 #endif
 594 #if defined(CONFIG_MPC83xx)
 595         bd->bi_immrbar = CONFIG_SYS_IMMR;
 596 #endif
 597
 598         return 0;
 599 }
 600 #endif
 601
 602 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 603 static int setup_board_part2(void)
 604 {
 605         bd_t *bd = gd->bd;
 606
 607         bd->bi_intfreq = gd->cpu_clk;   /* Internal Freq, in Hz */
 608         bd->bi_busfreq = gd->bus_clk;   /* Bus Freq,      in Hz */
 609 #if defined(CONFIG_CPM2)
 610         bd->bi_cpmfreq = gd->arch.cpm_clk;
 611         bd->bi_brgfreq = gd->arch.brg_clk;
 612         bd->bi_sccfreq = gd->arch.scc_clk;
 613         bd->bi_vco = gd->arch.vco_out;
 614 #endif /* CONFIG_CPM2 */
 615 #if defined(CONFIG_MPC512X)
 616         bd->bi_ipsfreq = gd->arch.ips_clk;
 617 #endif /* CONFIG_MPC512X */
 618 #if defined(CONFIG_MPC5xxx)
 619         bd->bi_ipbfreq = gd->arch.ipb_clk;
 620         bd->bi_pcifreq = gd->pci_clk;
 621 #endif /* CONFIG_MPC5xxx */
 622 #if defined(CONFIG_M68K) && defined(CONFIG_PCI)
 623         bd->bi_pcifreq = gd->pci_clk;
 624 #endif
 625 #if defined(CONFIG_EXTRA_CLOCK)
 626         bd->bi_inpfreq = gd->arch.inp_clk;      /* input Freq in Hz */
 627         bd->bi_vcofreq = gd->arch.vco_clk;      /* vco Freq in Hz */
 628         bd->bi_flbfreq = gd->arch.flb_clk;      /* flexbus Freq in Hz */
 629 #endif
 630
 631         return 0;
 632 }
 633 #endif
 634
 635 #ifdef CONFIG_SYS_EXTBDINFO
 636 static int setup_board_extra(void)
 637 {
 638         bd_t *bd = gd->bd;
 639
 640         strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
 641         strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
 642                 sizeof(bd->bi_r_version));
 643
 644         bd->bi_procfreq = gd->cpu_clk;  /* Processor Speed, In Hz */
 645         bd->bi_plb_busfreq = gd->bus_clk;
 646 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
 647                 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
 648                 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 649         bd->bi_pci_busfreq = get_PCI_freq();
 650         bd->bi_opbfreq = get_OPB_freq();
 651 #elif defined(CONFIG_XILINX_405)
 652         bd->bi_pci_busfreq = get_PCI_freq();
 653 #endif
 654
 655         return 0;
 656 }
 657 #endif
 658
 659 #ifdef CONFIG_POST
 660 static int init_post(void)
 661 {
 662         post_bootmode_init();
 663         post_run(NULL, POST_ROM | post_bootmode_get(0));
 664
 665         return 0;
 666 }
 667 #endif
 668
 669 static int setup_dram_config(void)
 670 {
 671         /* Ram is board specific, so move it to board code ... */
 672         dram_init_banksize();
 673
 674         return 0;
 675 }
 676
 677 static int reloc_fdt(void)
 678 {
 679 #ifndef CONFIG_OF_EMBED
 680         if (gd->flags & GD_FLG_SKIP_RELOC)
 681                 return 0;
 682         if (gd->new_fdt) {
 683                 memcpy(gd->new_fdt, gd->fdt_blob, gd->fdt_size);
 684                 gd->fdt_blob = gd->new_fdt;
 685         }
 686 #endif
 687
 688         return 0;
 689 }
 690
 691 static int setup_reloc(void)
 692 {
 693         if (gd->flags & GD_FLG_SKIP_RELOC) {
 694                 debug("Skipping relocation due to flag\n");
 695                 return 0;
 696         }
 697
 698 #ifdef CONFIG_SYS_TEXT_BASE
 699         gd->reloc_off = gd->relocaddr - CONFIG_SYS_TEXT_BASE;
 700 #ifdef CONFIG_M68K
 701         /*
 702          * On all ColdFire arch cpu, monitor code starts always
 703          * just after the default vector table location, so at 0x400
 704          */
 705         gd->reloc_off = gd->relocaddr - (CONFIG_SYS_TEXT_BASE + 0x400);
 706 #endif
 707 #endif
 708         memcpy(gd->new_gd, (char *)gd, sizeof(gd_t));
 709
 710         debug("Relocation Offset is: %08lx\n", gd->reloc_off);
 711         debug("Relocating to %08lx, new gd at %08lx, sp at %08lx\n",
 712               gd->relocaddr, (ulong)map_to_sysmem(gd->new_gd),
 713               gd->start_addr_sp);
 714
 715         return 0;
 716 }
 717
 718 /* ARM calls relocate_code from its crt0.S */
 719 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
 720
 721 static int jump_to_copy(void)
 722 {
 723         if (gd->flags & GD_FLG_SKIP_RELOC)
 724                 return 0;
 725         /*
 726          * x86 is special, but in a nice way. It uses a trampoline which
 727          * enables the dcache if possible.
 728          *
 729          * For now, other archs use relocate_code(), which is implemented
 730          * similarly for all archs. When we do generic relocation, hopefully
 731          * we can make all archs enable the dcache prior to relocation.
 732          */
 733 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
 734         /*
 735          * SDRAM and console are now initialised. The final stack can now
 736          * be setup in SDRAM. Code execution will continue in Flash, but
 737          * with the stack in SDRAM and Global Data in temporary memory
 738          * (CPU cache)
 739          */
 740         arch_setup_gd(gd->new_gd);
 741         board_init_f_r_trampoline(gd->start_addr_sp);
 742 #else
 743         relocate_code(gd->start_addr_sp, gd->new_gd, gd->relocaddr);
 744 #endif
 745
 746         return 0;
 747 }
 748 #endif
 749
 750 /* Record the board_init_f() bootstage (after arch_cpu_init()) */
 751 static int mark_bootstage(void)
 752 {
 753         bootstage_mark_name(BOOTSTAGE_ID_START_UBOOT_F, "board_init_f");
 754
 755         return 0;
 756 }
 757
 758 static int initf_console_record(void)
 759 {
 760 #if defined(CONFIG_CONSOLE_RECORD) && defined(CONFIG_SYS_MALLOC_F_LEN)
 761         return console_record_init();
 762 #else
 763         return 0;
 764 #endif
 765 }
 766
 767 static int initf_dm(void)
 768 {
 769 #if defined(CONFIG_DM) && defined(CONFIG_SYS_MALLOC_F_LEN)
 770         int ret;
 771
 772         ret = dm_init_and_scan(true);
 773         if (ret)
 774                 return ret;
 775 #endif
 776
 777         return 0;
 778 }
 779
 780 /* Architecture-specific memory reservation */
 781 __weak int reserve_arch(void)
 782 {
 783         return 0;
 784 }
 785
 786 __weak int arch_cpu_init_dm(void)
 787 {
 788         return 0;
 789 }
 790
 791 static init_fnc_t init_sequence_f[] = {
 792 #ifdef CONFIG_SANDBOX
 793         setup_ram_buf,
 794 #endif
 795         setup_mon_len,
 796 #ifdef CONFIG_OF_CONTROL
 797         fdtdec_setup,
 798 #endif
 799 #ifdef CONFIG_TRACE
 800         trace_early_init,
 801 #endif
 802         initf_malloc,
 803         initf_console_record,
 804 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
 805         /* TODO: can this go into arch_cpu_init()? */
 806         probecpu,
 807 #endif
 808 #if defined(CONFIG_X86) && defined(CONFIG_HAVE_FSP)
 809         x86_fsp_init,
 810 #endif
 811         arch_cpu_init,          /* basic arch cpu dependent setup */
 812         initf_dm,
 813         arch_cpu_init_dm,
 814         mark_bootstage,         /* need timer, go after init dm */
 815 #if defined(CONFIG_BOARD_EARLY_INIT_F)
 816         board_early_init_f,
 817 #endif
 818         /* TODO: can any of this go into arch_cpu_init()? */
 819 #if defined(CONFIG_PPC) && !defined(CONFIG_8xx_CPUCLK_DEFAULT)
 820         get_clocks,             /* get CPU and bus clocks (etc.) */
 821 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
 822                 && !defined(CONFIG_TQM885D)
 823         adjust_sdram_tbs_8xx,
 824 #endif
 825         /* TODO: can we rename this to timer_init()? */
 826         init_timebase,
 827 #endif
 828 #if defined(CONFIG_X86) || defined(CONFIG_ARM) || defined(CONFIG_MIPS) || \
 829                 defined(CONFIG_BLACKFIN) || defined(CONFIG_NDS32) || \
 830                 defined(CONFIG_SPARC)
 831         timer_init,             /* initialize timer */
 832 #endif
 833 #ifdef CONFIG_SYS_ALLOC_DPRAM
 834 #if !defined(CONFIG_CPM2)
 835         dpram_init,
 836 #endif
 837 #endif
 838 #if defined(CONFIG_BOARD_POSTCLK_INIT)
 839         board_postclk_init,
 840 #endif
 841 #if defined(CONFIG_SYS_FSL_CLK) || defined(CONFIG_M68K)
 842         get_clocks,
 843 #endif
 844         env_init,               /* initialize environment */
 845 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
 846         /* get CPU and bus clocks according to the environment variable */
 847         get_clocks_866,
 848         /* adjust sdram refresh rate according to the new clock */
 849         sdram_adjust_866,
 850         init_timebase,
 851 #endif
 852         init_baud_rate,         /* initialze baudrate settings */
 853         serial_init,            /* serial communications setup */
 854         console_init_f,         /* stage 1 init of console */
 855 #ifdef CONFIG_SANDBOX
 856         sandbox_early_getopt_check,
 857 #endif
 858 #ifdef CONFIG_OF_CONTROL
 859         fdtdec_prepare_fdt,
 860 #endif
 861         display_options,        /* say that we are here */
 862         display_text_info,      /* show debugging info if required */
 863 #if defined(CONFIG_MPC8260)
 864         prt_8260_rsr,
 865         prt_8260_clks,
 866 #endif /* CONFIG_MPC8260 */
 867 #if defined(CONFIG_MPC83xx)
 868         prt_83xx_rsr,
 869 #endif
 870 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 871         checkcpu,
 872 #endif
 873         print_cpuinfo,          /* display cpu info (and speed) */
 874 #if defined(CONFIG_MPC5xxx)
 875         prt_mpc5xxx_clks,
 876 #endif /* CONFIG_MPC5xxx */
 877 #if defined(CONFIG_DISPLAY_BOARDINFO)
 878         show_board_info,
 879 #endif
 880         INIT_FUNC_WATCHDOG_INIT
 881 #if defined(CONFIG_MISC_INIT_F)
 882         misc_init_f,
 883 #endif
 884         INIT_FUNC_WATCHDOG_RESET
 885 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SYS_I2C)
 886         init_func_i2c,
 887 #endif
 888 #if defined(CONFIG_HARD_SPI)
 889         init_func_spi,
 890 #endif
 891         announce_dram_init,
 892         /* TODO: unify all these dram functions? */
 893 #if defined(CONFIG_ARM) || defined(CONFIG_X86) || defined(CONFIG_NDS32) || \
 894                 defined(CONFIG_MICROBLAZE) || defined(CONFIG_AVR32)
 895         dram_init,              /* configure available RAM banks */
 896 #endif
 897 #if defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_M68K)
 898         init_func_ram,
 899 #endif
 900 #ifdef CONFIG_POST
 901         post_init_f,
 902 #endif
 903         INIT_FUNC_WATCHDOG_RESET
 904 #if defined(CONFIG_SYS_DRAM_TEST)
 905         testdram,
 906 #endif /* CONFIG_SYS_DRAM_TEST */
 907         INIT_FUNC_WATCHDOG_RESET
 908
 909 #ifdef CONFIG_POST
 910         init_post,
 911 #endif
 912         INIT_FUNC_WATCHDOG_RESET
 913         /*
 914          * Now that we have DRAM mapped and working, we can
 915          * relocate the code and continue running from DRAM.
 916          *
 917          * Reserve memory at end of RAM for (top down in that order):
 918          *  - area that won't get touched by U-Boot and Linux (optional)
 919          *  - kernel log buffer
 920          *  - protected RAM
 921          *  - LCD framebuffer
 922          *  - monitor code
 923          *  - board info struct
 924          */
 925         setup_dest_addr,
 926 #if defined(CONFIG_BLACKFIN)
 927         /* Blackfin u-boot monitor should be on top of the ram */
 928         reserve_uboot,
 929 #endif
 930 #if defined(CONFIG_SPARC)
 931         reserve_prom,
 932 #endif
 933 #if defined(CONFIG_LOGBUFFER) && !defined(CONFIG_ALT_LB_ADDR)
 934         reserve_logbuffer,
 935 #endif
 936 #ifdef CONFIG_PRAM
 937         reserve_pram,
 938 #endif
 939         reserve_round_4k,
 940 #if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) && \
 941                 defined(CONFIG_ARM)
 942         reserve_mmu,
 943 #endif
 944 #ifdef CONFIG_LCD
 945         reserve_lcd,
 946 #endif
 947         reserve_trace,
 948         /* TODO: Why the dependency on CONFIG_8xx? */
 949 #if defined(CONFIG_VIDEO) && (!defined(CONFIG_PPC) || defined(CONFIG_8xx)) && \
 950                 !defined(CONFIG_ARM) && !defined(CONFIG_X86) && \
 951                 !defined(CONFIG_BLACKFIN) && !defined(CONFIG_M68K)
 952         reserve_video,
 953 #endif
 954 #if !defined(CONFIG_BLACKFIN)
 955         reserve_uboot,
 956 #endif
 957 #ifndef CONFIG_SPL_BUILD
 958         reserve_malloc,
 959         reserve_board,
 960 #endif
 961         setup_machine,
 962         reserve_global_data,
 963         reserve_fdt,
 964         reserve_arch,
 965         reserve_stacks,
 966         setup_dram_config,
 967         show_dram_config,
 968 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_MIPS)
 969         setup_board_part1,
 970 #endif
 971 #if defined(CONFIG_PPC) || defined(CONFIG_M68K)
 972         INIT_FUNC_WATCHDOG_RESET
 973         setup_board_part2,
 974 #endif
 975         display_new_sp,
 976 #ifdef CONFIG_SYS_EXTBDINFO
 977         setup_board_extra,
 978 #endif
 979         INIT_FUNC_WATCHDOG_RESET
 980         reloc_fdt,
 981         setup_reloc,
 982 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
 983         copy_uboot_to_ram,
 984         clear_bss,
 985         do_elf_reloc_fixups,
 986 #endif
 987 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX)
 988         jump_to_copy,
 989 #endif
 990         NULL,
 991 };
 992
 993 void board_init_f(ulong boot_flags)
 994 {
 995 #ifdef CONFIG_SYS_GENERIC_GLOBAL_DATA
 996         /*
 997          * For some archtectures, global data is initialized and used before
 998          * calling this function. The data should be preserved. For others,
 999          * CONFIG_SYS_GENERIC_GLOBAL_DATA should be defined and use the stack
1000          * here to host global data until relocation.
1001          */
1002         gd_t data;
1003
1004         gd = &data;
1005
1006         /*
1007          * Clear global data before it is accessed at debug print
1008          * in initcall_run_list. Otherwise the debug print probably
1009          * get the wrong vaule of gd->have_console.
1010          */
1011         zero_global_data();
1012 #endif
1013
1014         gd->flags = boot_flags;
1015         gd->have_console = 0;
1016
1017         if (initcall_run_list(init_sequence_f))
1018                 hang();
1019
1020 #if !defined(CONFIG_ARM) && !defined(CONFIG_SANDBOX) && \
1021                 !defined(CONFIG_EFI_APP)
1022         /* NOTREACHED - jump_to_copy() does not return */
1023         hang();
1024 #endif
1025 }
1026
1027 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
1028 /*
1029  * For now this code is only used on x86.
1030  *
1031  * init_sequence_f_r is the list of init functions which are run when
1032  * U-Boot is executing from Flash with a semi-limited 'C' environment.
1033  * The following limitations must be considered when implementing an
1034  * '_f_r' function:
1035  *  - 'static' variables are read-only
1036  *  - Global Data (gd->xxx) is read/write
1037  *
1038  * The '_f_r' sequence must, as a minimum, copy U-Boot to RAM (if
1039  * supported).  It _should_, if possible, copy global data to RAM and
1040  * initialise the CPU caches (to speed up the relocation process)
1041  *
1042  * NOTE: At present only x86 uses this route, but it is intended that
1043  * all archs will move to this when generic relocation is implemented.
1044  */
1045 static init_fnc_t init_sequence_f_r[] = {
1046         init_cache_f_r,
1047
1048         NULL,
1049 };
1050
1051 void board_init_f_r(void)
1052 {
1053         if (initcall_run_list(init_sequence_f_r))
1054                 hang();
1055
1056         /*
1057          * U-Boot has been copied into SDRAM, the BSS has been cleared etc.
1058          * Transfer execution from Flash to RAM by calculating the address
1059          * of the in-RAM copy of board_init_r() and calling it
1060          */
1061         (board_init_r + gd->reloc_off)((gd_t *)gd, gd->relocaddr);
1062
1063         /* NOTREACHED - board_init_r() does not return */
1064         hang();
1065 }
1066 #endif /* CONFIG_X86 */