2 * (C) Copyright 2000-2011
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
28 #include <stdio_dev.h>
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SCSI)
44 #if defined(CONFIG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
51 #ifdef CONFIG_GENERIC_MMC
55 #ifdef CONFIG_SYS_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
61 #if defined(CONFIG_BAB7xx)
65 #if defined(CONFIG_POST)
68 #if defined(CONFIG_LOGBUFFER)
71 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CONFIG_ADDR_MAP
86 #ifdef CONFIG_BITBANGMII
90 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
91 extern int update_flash_size(int flash_size);
94 #if defined(CONFIG_SC3)
95 extern void sc3_read_eeprom(void);
98 #if defined(CONFIG_CMD_DOC)
101 #if defined(CONFIG_HARD_I2C) || \
102 defined(CONFIG_SOFT_I2C)
108 static char *failed = "*** failed ***\n";
110 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
111 extern flash_info_t flash_info[];
114 #if defined(CONFIG_START_IDE)
115 extern int board_start_ide(void);
117 #include <environment.h>
119 DECLARE_GLOBAL_DATA_PTR;
121 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
122 #define CONFIG_SYS_MEM_TOP_HIDE 0
125 extern ulong __init_end;
126 extern ulong __bss_end;
127 ulong monitor_flash_len;
129 #if defined(CONFIG_CMD_BEDBUG)
130 #include <bedbug/type.h>
138 * All attempts to come up with a "common" initialization sequence
139 * that works for all boards and architectures failed: some of the
140 * requirements are just _too_ different. To get rid of the resulting
141 * mess of board dependend #ifdef'ed code we now make the whole
142 * initialization sequence configurable to the user.
144 * The requirements for any new initalization function is simple: it
145 * receives a pointer to the "global data" structure as it's only
146 * argument, and returns an integer return code, where 0 means
147 * "continue" and != 0 means "fatal error, hang the system".
149 typedef int (init_fnc_t)(void);
154 * Some of this code should be moved into the core functions,
155 * but let's get it working (again) first...
158 static int init_baudrate(void)
160 gd->baudrate = getenv_ulong("baudrate", 10, CONFIG_BAUDRATE);
164 /***********************************************************************/
166 static void __board_add_ram_info(int use_default)
168 /* please define platform specific board_add_ram_info() */
171 void board_add_ram_info(int)
172 __attribute__ ((weak, alias("__board_add_ram_info")));
174 static int __board_flash_wp_on(void)
177 * Most flashes can't be detected when write protection is enabled,
178 * so provide a way to let U-Boot gracefully ignore write protected
184 int board_flash_wp_on(void)
185 __attribute__ ((weak, alias("__board_flash_wp_on")));
187 static void __cpu_secondary_init_r(void)
191 void cpu_secondary_init_r(void)
192 __attribute__ ((weak, alias("__cpu_secondary_init_r")));
194 static int init_func_ram(void)
196 #ifdef CONFIG_BOARD_TYPES
197 int board_type = gd->board_type;
199 int board_type = 0; /* use dummy arg */
203 gd->ram_size = initdram(board_type);
205 if (gd->ram_size > 0) {
206 print_size(gd->ram_size, "");
207 board_add_ram_info(0);
215 /***********************************************************************/
217 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
218 static int init_func_i2c(void)
221 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
227 #if defined(CONFIG_HARD_SPI)
228 static int init_func_spi(void)
237 /***********************************************************************/
239 #if defined(CONFIG_WATCHDOG)
240 int init_func_watchdog_init(void)
242 puts(" Watchdog enabled\n");
247 int init_func_watchdog_reset(void)
252 #endif /* CONFIG_WATCHDOG */
255 * Initialization sequence
258 static init_fnc_t *init_sequence[] = {
259 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
262 #if defined(CONFIG_BOARD_EARLY_INIT_F)
265 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
266 get_clocks, /* get CPU and bus clocks (etc.) */
267 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
268 && !defined(CONFIG_TQM885D)
269 adjust_sdram_tbs_8xx,
273 #ifdef CONFIG_SYS_ALLOC_DPRAM
274 #if !defined(CONFIG_CPM2)
278 #if defined(CONFIG_BOARD_POSTCLK_INIT)
282 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
283 /* get CPU and bus clocks according to the environment variable */
285 /* adjust sdram refresh rate according to the new clock */
293 #if defined(CONFIG_8260)
296 #endif /* CONFIG_8260 */
297 #if defined(CONFIG_MPC83xx)
301 #if defined(CONFIG_MPC5xxx)
303 #endif /* CONFIG_MPC5xxx */
305 INIT_FUNC_WATCHDOG_INIT
306 #if defined(CONFIG_MISC_INIT_F)
309 INIT_FUNC_WATCHDOG_RESET
310 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
313 #if defined(CONFIG_HARD_SPI)
319 INIT_FUNC_WATCHDOG_RESET
321 #if defined(CONFIG_SYS_DRAM_TEST)
323 #endif /* CONFIG_SYS_DRAM_TEST */
324 INIT_FUNC_WATCHDOG_RESET
325 NULL, /* Terminate this list */
328 ulong get_effective_memsize(void)
330 #ifndef CONFIG_VERY_BIG_RAM
333 /* limit stack to what we can reasonable map */
334 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
335 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
339 static int __fixup_cpu(void)
344 int fixup_cpu(void) __attribute__((weak, alias("__fixup_cpu")));
347 * This is the first part of the initialization sequence that is
348 * implemented in C, but still running from ROM.
350 * The main purpose is to provide a (serial) console interface as
351 * soon as possible (so we can see any error messages), and to
352 * initialize the RAM so that we can relocate the monitor code to
355 * Be aware of the restrictions: global data is read-only, BSS is not
356 * initialized, and stack space is limited to a few kB.
359 #ifdef CONFIG_LOGBUFFER
360 unsigned long logbuffer_base(void)
362 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
366 void board_init_f(ulong bootflag)
369 ulong len, addr, addr_sp;
372 init_fnc_t **init_fnc_ptr;
378 /* Pointer is writable since we allocated a register for it */
379 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
380 /* compiler optimization barrier needed for GCC >= 3.4 */
381 __asm__ __volatile__("":::"memory");
383 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC512X) && \
384 !defined(CONFIG_MPC83xx) && !defined(CONFIG_MPC85xx) && \
385 !defined(CONFIG_MPC86xx)
386 /* Clear initial global data */
387 memset((void *) gd, 0, sizeof(gd_t));
390 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr)
391 if ((*init_fnc_ptr) () != 0)
395 post_bootmode_init();
396 post_run(NULL, POST_ROM | post_bootmode_get(NULL));
402 * Now that we have DRAM mapped and working, we can
403 * relocate the code and continue running from DRAM.
405 * Reserve memory at end of RAM for (top down in that order):
406 * - area that won't get touched by U-Boot and Linux (optional)
407 * - kernel log buffer
411 * - board info struct
413 len = (ulong)&__bss_end - CONFIG_SYS_MONITOR_BASE;
416 * Subtract specified amount of memory to hide so that it won't
417 * get "touched" at all by U-Boot. By fixing up gd->ram_size
418 * the Linux kernel should now get passed the now "corrected"
419 * memory size and won't touch it either. This should work
420 * for arch/ppc and arch/powerpc. Only Linux board ports in
421 * arch/powerpc with bootwrapper support, that recalculate the
422 * memory size from the SDRAM controller setup will have to
425 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
427 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
429 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
431 * We need to make sure the location we intend to put secondary core
432 * boot code is reserved and not used by any part of u-boot
434 if (addr > determine_mp_bootpg(NULL)) {
435 addr = determine_mp_bootpg(NULL);
436 debug("Reserving MP boot page to %08lx\n", addr);
440 #ifdef CONFIG_LOGBUFFER
441 #ifndef CONFIG_ALT_LB_ADDR
442 /* reserve kernel log buffer */
443 addr -= (LOGBUFF_RESERVE);
444 debug("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN,
451 * reserve protected RAM
453 reg = getenv_ulong("pram", 10, CONFIG_PRAM);
454 addr -= (reg << 10); /* size is in kB */
455 debug("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
456 #endif /* CONFIG_PRAM */
458 /* round down to next 4 kB limit */
460 debug("Top of RAM usable for U-Boot at: %08lx\n", addr);
463 #ifdef CONFIG_FB_ADDR
464 gd->fb_base = CONFIG_FB_ADDR;
466 /* reserve memory for LCD display (always full pages) */
467 addr = lcd_setmem(addr);
469 #endif /* CONFIG_FB_ADDR */
470 #endif /* CONFIG_LCD */
472 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
473 /* reserve memory for video display (always full pages) */
474 addr = video_setmem(addr);
476 #endif /* CONFIG_VIDEO */
479 * reserve memory for U-Boot code, data & bss
480 * round down to next 4 kB limit
485 /* round down to next 64 kB limit so that IVPR stays aligned */
486 addr &= ~(65536 - 1);
489 debug("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
492 * reserve memory for malloc() arena
494 addr_sp = addr - TOTAL_MALLOC_LEN;
495 debug("Reserving %dk for malloc() at: %08lx\n",
496 TOTAL_MALLOC_LEN >> 10, addr_sp);
499 * (permanently) allocate a Board Info struct
500 * and a permanent copy of the "global" data
502 addr_sp -= sizeof(bd_t);
503 bd = (bd_t *) addr_sp;
504 memset(bd, 0, sizeof(bd_t));
506 debug("Reserving %zu Bytes for Board Info at: %08lx\n",
507 sizeof(bd_t), addr_sp);
508 addr_sp -= sizeof(gd_t);
509 id = (gd_t *) addr_sp;
510 debug("Reserving %zu Bytes for Global Data at: %08lx\n",
511 sizeof(gd_t), addr_sp);
514 * Finally, we set up a new (bigger) stack.
516 * Leave some safety gap for SP, force alignment on 16 byte boundary
517 * Clear initial stack frame
521 s = (ulong *) addr_sp;
522 *s = 0; /* Terminate back chain */
523 *++s = 0; /* NULL return address */
524 debug("Stack Pointer at: %08lx\n", addr_sp);
527 * Save local variables to board info struct
530 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of memory */
531 bd->bi_memsize = gd->ram_size; /* size in bytes */
533 #ifdef CONFIG_SYS_SRAM_BASE
534 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM */
535 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM */
538 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
539 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
540 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
542 #if defined(CONFIG_MPC5xxx)
543 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
545 #if defined(CONFIG_MPC83xx)
546 bd->bi_immrbar = CONFIG_SYS_IMMR;
550 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
551 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
552 #if defined(CONFIG_CPM2)
553 bd->bi_cpmfreq = gd->arch.cpm_clk;
554 bd->bi_brgfreq = gd->arch.brg_clk;
555 bd->bi_sccfreq = gd->arch.scc_clk;
556 bd->bi_vco = gd->arch.vco_out;
557 #endif /* CONFIG_CPM2 */
558 #if defined(CONFIG_MPC512X)
559 bd->bi_ipsfreq = gd->arch.ips_clk;
560 #endif /* CONFIG_MPC512X */
561 #if defined(CONFIG_MPC5xxx)
562 bd->bi_ipbfreq = gd->arch.ipb_clk;
563 bd->bi_pcifreq = gd->pci_clk;
564 #endif /* CONFIG_MPC5xxx */
565 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
567 #ifdef CONFIG_SYS_EXTBDINFO
568 strncpy((char *) bd->bi_s_version, "1.2", sizeof(bd->bi_s_version));
569 strncpy((char *) bd->bi_r_version, U_BOOT_VERSION,
570 sizeof(bd->bi_r_version));
572 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
573 bd->bi_plb_busfreq = gd->bus_clk;
574 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
575 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
576 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
577 bd->bi_pci_busfreq = get_PCI_freq();
578 bd->bi_opbfreq = get_OPB_freq();
579 #elif defined(CONFIG_XILINX_405)
580 bd->bi_pci_busfreq = get_PCI_freq();
584 debug("New Stack Pointer is: %08lx\n", addr_sp);
588 gd->relocaddr = addr; /* Store relocation addr, useful for debug */
590 memcpy(id, (void *) gd, sizeof(gd_t));
592 relocate_code(addr_sp, id, addr);
594 /* NOTREACHED - relocate_code() does not return */
598 * This is the next part if the initialization sequence: we are now
599 * running from RAM and have a "normal" C environment, i. e. global
600 * data can be written, BSS has been cleared, the stack size in not
601 * that critical any more, etc.
603 void board_init_r(gd_t *id, ulong dest_addr)
608 #ifndef CONFIG_SYS_NO_FLASH
612 gd = id; /* initialize RAM version of global data */
615 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
617 /* The Malloc area is immediately below the monitor copy in DRAM */
618 malloc_start = dest_addr - TOTAL_MALLOC_LEN;
620 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
622 * The gd->arch.cpu pointer is set to an address in flash before
623 * relocation. We need to update it to point to the same CPU entry
626 gd->arch.cpu += dest_addr - CONFIG_SYS_MONITOR_BASE;
629 * If we didn't know the cpu mask & # cores, we can save them of
630 * now rather than 'computing' them constantly
635 #ifdef CONFIG_SYS_EXTRA_ENV_RELOC
637 * Some systems need to relocate the env_addr pointer early because the
638 * location it points to will get invalidated before env_relocate is
639 * called. One example is on systems that might use a L2 or L3 cache
640 * in SRAM mode and initialize that cache from SRAM mode back to being
641 * a cache in cpu_init_r.
643 gd->env_addr += dest_addr - CONFIG_SYS_MONITOR_BASE;
648 debug("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
653 * Setup trap handlers
655 trap_init(dest_addr);
657 #ifdef CONFIG_ADDR_MAP
661 #if defined(CONFIG_BOARD_EARLY_INIT_R)
662 board_early_init_r();
665 monitor_flash_len = (ulong)&__init_end - dest_addr;
669 #ifdef CONFIG_LOGBUFFER
673 post_output_backlog();
678 #if defined(CONFIG_SYS_DELAYED_ICACHE)
679 icache_enable(); /* it's time to enable the instruction cache */
682 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
683 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
686 #if defined(CONFIG_PCI) && defined(CONFIG_SYS_EARLY_PCI_INIT)
688 * Do early PCI configuration _before_ the flash gets initialised,
689 * because PCU ressources are crucial for flash access on some boards.
693 #if defined(CONFIG_WINBOND_83C553)
695 * Initialise the ISA bridge
697 initialise_w83c553f();
702 mem_malloc_init(malloc_start, TOTAL_MALLOC_LEN);
704 #if !defined(CONFIG_SYS_NO_FLASH)
707 if (board_flash_wp_on()) {
708 printf("Uninitialized - Write Protect On\n");
709 /* Since WP is on, we can't find real size. Set to 0 */
711 } else if ((flash_size = flash_init()) > 0) {
712 #ifdef CONFIG_SYS_FLASH_CHECKSUM
713 print_size(flash_size, "");
715 * Compute and print flash CRC if flashchecksum is set to 'y'
717 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
719 if (getenv_yesno("flashchecksum") == 1) {
722 (const unsigned char *)
723 CONFIG_SYS_FLASH_BASE, flash_size)
727 #else /* !CONFIG_SYS_FLASH_CHECKSUM */
728 print_size(flash_size, "\n");
729 #endif /* CONFIG_SYS_FLASH_CHECKSUM */
735 /* update start of FLASH memory */
736 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
737 /* size of FLASH memory (final value) */
738 bd->bi_flashsize = flash_size;
740 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
741 /* Make a update of the Memctrl. */
742 update_flash_size(flash_size);
746 #if defined(CONFIG_OXC) || defined(CONFIG_RMU)
747 /* flash mapped at end of memory map */
748 bd->bi_flashoffset = CONFIG_SYS_TEXT_BASE + flash_size;
749 #elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
750 bd->bi_flashoffset = monitor_flash_len; /* reserved area for monitor */
752 #endif /* !CONFIG_SYS_NO_FLASH */
756 /* initialize higher level parts of CPU like time base and timers */
762 #if !defined(CONFIG_ENV_IS_IN_EEPROM)
768 #if defined(CONFIG_CMD_NAND)
771 nand_init(); /* go init the NAND */
774 #ifdef CONFIG_GENERIC_MMC
776 * MMC initialization is called before relocating env.
777 * Thus It is required that operations like pin multiplexer
778 * be put in board_init.
785 /* relocate environment function pointers etc. */
789 * after non-volatile devices & environment is setup and cpu code have
790 * another round to deal with any initialization that might require
791 * full access to the environment or loading of some image (firmware)
792 * from a non-volatile device
794 cpu_secondary_init_r();
797 * Fill in missing fields of bd_info.
798 * We do this here, where we have "normal" access to the
799 * environment; we used to do this still running from ROM,
800 * where had to use getenv_f(), which can be pretty slow when
801 * the environment is in EEPROM.
804 #if defined(CONFIG_SYS_EXTBDINFO)
805 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
806 #if defined(CONFIG_I2CFAST)
808 * set bi_iic_fast for linux taking environment variable
809 * "i2cfast" into account
812 if (getenv_yesno("i2cfast") == 1) {
813 bd->bi_iic_fast[0] = 1;
814 bd->bi_iic_fast[1] = 1;
817 #endif /* CONFIG_I2CFAST */
818 #endif /* CONFIG_405GP, CONFIG_405EP */
819 #endif /* CONFIG_SYS_EXTBDINFO */
821 #if defined(CONFIG_SC3)
825 #if defined(CONFIG_ID_EEPROM) || defined(CONFIG_SYS_I2C_MAC_OFFSET)
826 mac_read_from_eeprom();
830 if ((gd->board_type >> 16) == 2)
831 bd->bi_ethspeed = gd->board_type & 0xFFFF;
833 bd->bi_ethspeed = 0xFFFF;
836 #ifdef CONFIG_CMD_NET
837 /* kept around for legacy kernels only ... ignore the next section */
838 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
839 #ifdef CONFIG_HAS_ETH1
840 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
842 #ifdef CONFIG_HAS_ETH2
843 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
845 #ifdef CONFIG_HAS_ETH3
846 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
848 #ifdef CONFIG_HAS_ETH4
849 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
851 #ifdef CONFIG_HAS_ETH5
852 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
854 #endif /* CONFIG_CMD_NET */
858 #if defined(CONFIG_PCI) && !defined(CONFIG_SYS_EARLY_PCI_INIT)
860 * Do pci configuration
865 /** leave this here (after malloc(), environment and PCI are working) **/
866 /* Initialize stdio devices */
869 /* Initialize the jump table for applications */
872 #if defined(CONFIG_API)
877 /* Initialize the console (after the relocation and devices init) */
880 #if defined(CONFIG_MISC_INIT_R)
881 /* miscellaneous platform dependent initialisations */
886 if (bd->bi_ethspeed != 0xFFFF)
887 hermes_start_lxt980((int) bd->bi_ethspeed);
890 #if defined(CONFIG_CMD_KGDB)
896 debug("U-Boot relocated to %08lx\n", dest_addr);
903 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
904 status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING);
909 /* Initialize from environment */
910 load_addr = getenv_ulong("loadaddr", 16, load_addr);
914 #if defined(CONFIG_CMD_SCSI)
920 #if defined(CONFIG_CMD_DOC)
926 #ifdef CONFIG_BITBANGMII
929 #if defined(CONFIG_CMD_NET)
935 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
937 debug("Reset Ethernet PHY\n");
942 post_run(NULL, POST_RAM | post_bootmode_get(0));
945 #if defined(CONFIG_CMD_PCMCIA) \
946 && !defined(CONFIG_CMD_IDE)
952 #if defined(CONFIG_CMD_IDE)
954 #ifdef CONFIG_IDE_8xx_PCCARD
959 #if defined(CONFIG_START_IDE)
960 if (board_start_ide())
967 #ifdef CONFIG_LAST_STAGE_INIT
970 * Some parts can be only initialized if all others (like
971 * Interrupts) are up and running (i.e. the PC-style ISA
977 #if defined(CONFIG_CMD_BEDBUG)
982 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
984 * Export available size of memory for Linux,
985 * taking into account the protected RAM at top of memory
992 pram = getenv_ulong("pram", 10, CONFIG_PRAM);
994 #ifdef CONFIG_LOGBUFFER
995 #ifndef CONFIG_ALT_LB_ADDR
996 /* Also take the logbuffer into account (pram is in kB) */
997 pram += (LOGBUFF_LEN + LOGBUFF_OVERHEAD) / 1024;
1000 sprintf(memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1001 setenv("mem", memsz);
1005 #ifdef CONFIG_PS2KBD
1010 #ifdef CONFIG_MODEM_SUPPORT
1012 extern int do_mdm_init;
1014 do_mdm_init = gd->do_mdm_init;
1018 /* Initialization complete - start the monitor */
1020 /* main_loop() can return to retry autoboot, if so just run it again. */
1026 /* NOTREACHED - no way out of command loop except booting */
1029 #if 0 /* We could use plain global data, but the resulting code is bigger */
1031 * Pointer to initial global data area
1033 * Here we initialize it.
1035 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1036 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1037 DECLARE_GLOBAL_DATA_PTR =
1038 (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1041 /************************************************************************/