2 * (C) Copyright 2000-2006
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_SYS_UPDATE_FLASH_SIZE
87 extern int update_flash_size (int flash_size);
90 #if defined(CONFIG_SC3)
91 extern void sc3_read_eeprom(void);
94 #if defined(CONFIG_CMD_DOC)
97 #if defined(CONFIG_HARD_I2C) || \
98 defined(CONFIG_SOFT_I2C)
104 static char *failed = "*** failed ***\n";
106 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
107 extern flash_info_t flash_info[];
110 #if defined(CONFIG_START_IDE)
111 extern int board_start_ide(void);
113 #include <environment.h>
115 DECLARE_GLOBAL_DATA_PTR;
117 #if defined(CONFIG_ENV_IS_EMBEDDED)
118 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
119 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
120 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
121 defined(CONFIG_ENV_IS_IN_NVRAM)
122 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
124 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
127 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
128 #define CONFIG_SYS_MEM_TOP_HIDE 0
131 extern ulong __init_end;
133 ulong monitor_flash_len;
135 #if defined(CONFIG_CMD_BEDBUG)
136 #include <bedbug/type.h>
139 /************************************************************************
141 ************************************************************************
145 * The Malloc area is immediately below the monitor copy in DRAM
147 static void mem_malloc_init (void)
149 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
150 mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
152 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
153 mem_malloc_brk = mem_malloc_start;
155 memset ((void *) mem_malloc_start,
157 mem_malloc_end - mem_malloc_start);
161 * All attempts to come up with a "common" initialization sequence
162 * that works for all boards and architectures failed: some of the
163 * requirements are just _too_ different. To get rid of the resulting
164 * mess of board dependend #ifdef'ed code we now make the whole
165 * initialization sequence configurable to the user.
167 * The requirements for any new initalization function is simple: it
168 * receives a pointer to the "global data" structure as it's only
169 * argument, and returns an integer return code, where 0 means
170 * "continue" and != 0 means "fatal error, hang the system".
172 typedef int (init_fnc_t) (void);
174 /************************************************************************
176 ************************************************************************
177 * Some of this code should be moved into the core functions,
178 * but let's get it working (again) first...
181 static int init_baudrate (void)
183 char tmp[64]; /* long enough for environment variables */
184 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
186 gd->baudrate = (i > 0)
187 ? (int) simple_strtoul (tmp, NULL, 10)
192 /***********************************************************************/
194 void __board_add_ram_info(int use_default)
196 /* please define platform specific board_add_ram_info() */
198 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
201 static int init_func_ram (void)
203 #ifdef CONFIG_BOARD_TYPES
204 int board_type = gd->board_type;
206 int board_type = 0; /* use dummy arg */
210 if ((gd->ram_size = initdram (board_type)) > 0) {
211 print_size (gd->ram_size, "");
212 board_add_ram_info(0);
220 /***********************************************************************/
222 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
223 static int init_func_i2c (void)
226 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
232 #if defined(CONFIG_HARD_SPI)
233 static int init_func_spi (void)
242 /***********************************************************************/
244 #if defined(CONFIG_WATCHDOG)
245 static int init_func_watchdog_init (void)
247 puts (" Watchdog enabled\n");
251 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
253 static int init_func_watchdog_reset (void)
258 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
260 # define INIT_FUNC_WATCHDOG_INIT /* undef */
261 # define INIT_FUNC_WATCHDOG_RESET /* undef */
262 #endif /* CONFIG_WATCHDOG */
264 /************************************************************************
265 * Initialization sequence *
266 ************************************************************************
269 init_fnc_t *init_sequence[] = {
271 #if defined(CONFIG_BOARD_EARLY_INIT_F)
275 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
278 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
279 get_clocks, /* get CPU and bus clocks (etc.) */
280 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
281 && !defined(CONFIG_TQM885D)
282 adjust_sdram_tbs_8xx,
286 #ifdef CONFIG_SYS_ALLOC_DPRAM
287 #if !defined(CONFIG_CPM2)
291 #if defined(CONFIG_BOARD_POSTCLK_INIT)
295 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
296 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
297 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
304 #if defined(CONFIG_8260)
307 #endif /* CONFIG_8260 */
308 #if defined(CONFIG_MPC83xx)
312 #if defined(CONFIG_MPC5xxx)
314 #endif /* CONFIG_MPC5xxx */
315 #if defined(CONFIG_MPC8220)
319 INIT_FUNC_WATCHDOG_INIT
320 #if defined(CONFIG_MISC_INIT_F)
323 INIT_FUNC_WATCHDOG_RESET
324 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
327 #if defined(CONFIG_HARD_SPI)
333 INIT_FUNC_WATCHDOG_RESET
335 #if defined(CONFIG_SYS_DRAM_TEST)
337 #endif /* CONFIG_SYS_DRAM_TEST */
338 INIT_FUNC_WATCHDOG_RESET
340 NULL, /* Terminate this list */
343 ulong get_effective_memsize(void)
345 #ifndef CONFIG_VERY_BIG_RAM
348 /* limit stack to what we can reasonable map */
349 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
350 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
354 /************************************************************************
356 * This is the first part of the initialization sequence that is
357 * implemented in C, but still running from ROM.
359 * The main purpose is to provide a (serial) console interface as
360 * soon as possible (so we can see any error messages), and to
361 * initialize the RAM so that we can relocate the monitor code to
364 * Be aware of the restrictions: global data is read-only, BSS is not
365 * initialized, and stack space is limited to a few kB.
367 ************************************************************************
370 #ifdef CONFIG_LOGBUFFER
371 unsigned long logbuffer_base(void)
373 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
377 void board_init_f (ulong bootflag)
380 ulong len, addr, addr_sp;
383 init_fnc_t **init_fnc_ptr;
387 uchar tmp[64]; /* long enough for environment variables */
390 /* Pointer is writable since we allocated a register for it */
391 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
392 /* compiler optimization barrier needed for GCC >= 3.4 */
393 __asm__ __volatile__("": : :"memory");
395 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83xx) && \
396 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
397 /* Clear initial global data */
398 memset ((void *) gd, 0, sizeof (gd_t));
401 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
402 if ((*init_fnc_ptr) () != 0) {
408 * Now that we have DRAM mapped and working, we can
409 * relocate the code and continue running from DRAM.
411 * Reserve memory at end of RAM for (top down in that order):
412 * - area that won't get touched by U-Boot and Linux (optional)
413 * - kernel log buffer
417 * - board info struct
419 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
422 * Subtract specified amount of memory to hide so that it won't
423 * get "touched" at all by U-Boot. By fixing up gd->ram_size
424 * the Linux kernel should now get passed the now "corrected"
425 * memory size and won't touch it either. This should work
426 * for arch/ppc and arch/powerpc. Only Linux board ports in
427 * arch/powerpc with bootwrapper support, that recalculate the
428 * memory size from the SDRAM controller setup will have to
431 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
433 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
435 #if defined(CONFIG_MP) && (defined(CONFIG_MPC86xx) || defined(CONFIG_E500))
437 * We need to make sure the location we intend to put secondary core
438 * boot code is reserved and not used by any part of u-boot
440 if (addr > determine_mp_bootpg()) {
441 addr = determine_mp_bootpg();
442 debug ("Reserving MP boot page to %08lx\n", addr);
446 #ifdef CONFIG_LOGBUFFER
447 #ifndef CONFIG_ALT_LB_ADDR
448 /* reserve kernel log buffer */
449 addr -= (LOGBUFF_RESERVE);
450 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
456 * reserve protected RAM
458 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
459 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
460 addr -= (reg << 10); /* size is in kB */
461 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
462 #endif /* CONFIG_PRAM */
464 /* round down to next 4 kB limit */
466 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
469 /* reserve memory for LCD display (always full pages) */
470 addr = lcd_setmem (addr);
472 #endif /* CONFIG_LCD */
474 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
475 /* reserve memory for video display (always full pages) */
476 addr = video_setmem (addr);
478 #endif /* CONFIG_VIDEO */
481 * reserve memory for U-Boot code, data & bss
482 * round down to next 4 kB limit
487 /* round down to next 64 kB limit so that IVPR stays aligned */
488 addr &= ~(65536 - 1);
491 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
493 #ifdef CONFIG_AMIGAONEG3SE
494 gd->relocaddr = addr;
498 * reserve memory for malloc() arena
500 addr_sp = addr - TOTAL_MALLOC_LEN;
501 debug ("Reserving %dk for malloc() at: %08lx\n",
502 TOTAL_MALLOC_LEN >> 10, addr_sp);
505 * (permanently) allocate a Board Info struct
506 * and a permanent copy of the "global" data
508 addr_sp -= sizeof (bd_t);
509 bd = (bd_t *) addr_sp;
511 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
512 sizeof (bd_t), addr_sp);
513 addr_sp -= sizeof (gd_t);
514 id = (gd_t *) addr_sp;
515 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
516 sizeof (gd_t), addr_sp);
519 * Finally, we set up a new (bigger) stack.
521 * Leave some safety gap for SP, force alignment on 16 byte boundary
522 * Clear initial stack frame
526 s = (ulong *)addr_sp;
530 debug ("Stack Pointer at: %08lx\n", addr_sp);
533 * Save local variables to board info struct
536 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
537 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
540 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
541 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
542 #elif defined CONFIG_MPC8220
543 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
544 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
546 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
547 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
550 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
551 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
552 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
554 #if defined(CONFIG_MPC5xxx)
555 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
557 #if defined(CONFIG_MPC83xx)
558 bd->bi_immrbar = CONFIG_SYS_IMMR;
560 #if defined(CONFIG_MPC8220)
561 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
562 bd->bi_inpfreq = gd->inp_clk;
563 bd->bi_pcifreq = gd->pci_clk;
564 bd->bi_vcofreq = gd->vco_clk;
565 bd->bi_pevfreq = gd->pev_clk;
566 bd->bi_flbfreq = gd->flb_clk;
568 /* store bootparam to sram (backward compatible), here? */
570 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
571 *sram++ = gd->ram_size;
572 *sram++ = gd->bus_clk;
573 *sram++ = gd->inp_clk;
574 *sram++ = gd->cpu_clk;
575 *sram++ = gd->vco_clk;
576 *sram++ = gd->flb_clk;
577 *sram++ = 0xb8c3ba11; /* boot signature */
581 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
584 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
585 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
586 #if defined(CONFIG_CPM2)
587 bd->bi_cpmfreq = gd->cpm_clk;
588 bd->bi_brgfreq = gd->brg_clk;
589 bd->bi_sccfreq = gd->scc_clk;
590 bd->bi_vco = gd->vco_out;
591 #endif /* CONFIG_CPM2 */
592 #if defined(CONFIG_MPC512X)
593 bd->bi_ipsfreq = gd->ips_clk;
594 #endif /* CONFIG_MPC512X */
595 #if defined(CONFIG_MPC5xxx)
596 bd->bi_ipbfreq = gd->ipb_clk;
597 bd->bi_pcifreq = gd->pci_clk;
598 #endif /* CONFIG_MPC5xxx */
599 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
601 #ifdef CONFIG_SYS_EXTBDINFO
602 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
603 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
605 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
606 bd->bi_plb_busfreq = gd->bus_clk;
607 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
608 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
609 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
610 bd->bi_pci_busfreq = get_PCI_freq ();
611 bd->bi_opbfreq = get_OPB_freq ();
612 #elif defined(CONFIG_XILINX_405)
613 bd->bi_pci_busfreq = get_PCI_freq ();
617 debug ("New Stack Pointer is: %08lx\n", addr_sp);
622 post_bootmode_init();
623 post_run (NULL, POST_ROM | post_bootmode_get(0));
628 memcpy (id, (void *)gd, sizeof (gd_t));
630 relocate_code (addr_sp, id, addr);
632 /* NOTREACHED - relocate_code() does not return */
635 /************************************************************************
637 * This is the next part if the initialization sequence: we are now
638 * running from RAM and have a "normal" C environment, i. e. global
639 * data can be written, BSS has been cleared, the stack size in not
640 * that critical any more, etc.
642 ************************************************************************
644 void board_init_r (gd_t *id, ulong dest_addr)
649 extern void malloc_bin_reloc (void);
650 #ifndef CONFIG_ENV_IS_NOWHERE
651 extern char * env_name_spec;
654 #ifndef CONFIG_SYS_NO_FLASH
658 gd = id; /* initialize RAM version of global data */
661 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
663 #if defined(CONFIG_RELOC_FIXUP_WORKS)
665 mem_malloc_end = dest_addr;
667 gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
670 #ifdef CONFIG_SERIAL_MULTI
674 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
679 * Setup trap handlers
681 trap_init (dest_addr);
683 #ifdef CONFIG_ADDR_MAP
687 #if defined(CONFIG_BOARD_EARLY_INIT_R)
688 board_early_init_r ();
691 monitor_flash_len = (ulong)&__init_end - dest_addr;
694 * We have to relocate the command table manually
696 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
698 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
700 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
701 cmdtp->name, (ulong) (cmdtp->cmd), addr);
704 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
706 addr = (ulong)(cmdtp->name) + gd->reloc_off;
707 cmdtp->name = (char *)addr;
710 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
711 cmdtp->usage = (char *)addr;
713 #ifdef CONFIG_SYS_LONGHELP
715 addr = (ulong)(cmdtp->help) + gd->reloc_off;
716 cmdtp->help = (char *)addr;
720 /* there are some other pointer constants we must deal with */
721 #ifndef CONFIG_ENV_IS_NOWHERE
722 env_name_spec += gd->reloc_off;
727 #ifdef CONFIG_LOGBUFFER
728 logbuff_init_ptrs ();
731 post_output_backlog ();
737 #if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx)
738 icache_enable (); /* it's time to enable the instruction cache */
741 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
742 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
745 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
747 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
748 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
753 #if defined(CONFIG_BAB7xx)
755 * Initialise the ISA bridge
757 initialise_w83c553f ();
760 asm ("sync ; isync");
762 /* initialize malloc() area */
766 #if !defined(CONFIG_SYS_NO_FLASH)
769 if ((flash_size = flash_init ()) > 0) {
770 # ifdef CONFIG_SYS_FLASH_CHECKSUM
771 print_size (flash_size, "");
773 * Compute and print flash CRC if flashchecksum is set to 'y'
775 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
777 s = getenv ("flashchecksum");
778 if (s && (*s == 'y')) {
779 printf (" CRC: %08X",
780 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
784 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
785 print_size (flash_size, "\n");
786 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
792 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
793 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
795 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
796 /* Make a update of the Memctrl. */
797 update_flash_size (flash_size);
801 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
802 /* flash mapped at end of memory map */
803 bd->bi_flashoffset = TEXT_BASE + flash_size;
804 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
805 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
807 bd->bi_flashoffset = 0;
809 #else /* CONFIG_SYS_NO_FLASH */
811 bd->bi_flashsize = 0;
812 bd->bi_flashstart = 0;
813 bd->bi_flashoffset = 0;
814 #endif /* !CONFIG_SYS_NO_FLASH */
818 /* initialize higher level parts of CPU like time base and timers */
824 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
830 #if defined(CONFIG_CMD_NAND)
833 nand_init(); /* go init the NAND */
836 /* relocate environment function pointers etc. */
840 * Fill in missing fields of bd_info.
841 * We do this here, where we have "normal" access to the
842 * environment; we used to do this still running from ROM,
843 * where had to use getenv_r(), which can be pretty slow when
844 * the environment is in EEPROM.
847 #if defined(CONFIG_SYS_EXTBDINFO)
848 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
849 #if defined(CONFIG_I2CFAST)
851 * set bi_iic_fast for linux taking environment variable
852 * "i2cfast" into account
855 char *s = getenv ("i2cfast");
856 if (s && ((*s == 'y') || (*s == 'Y'))) {
857 bd->bi_iic_fast[0] = 1;
858 bd->bi_iic_fast[1] = 1;
860 bd->bi_iic_fast[0] = 0;
861 bd->bi_iic_fast[1] = 0;
865 bd->bi_iic_fast[0] = 0;
866 bd->bi_iic_fast[1] = 0;
867 #endif /* CONFIG_I2CFAST */
868 #endif /* CONFIG_405GP, CONFIG_405EP */
869 #endif /* CONFIG_SYS_EXTBDINFO */
871 #if defined(CONFIG_SC3)
875 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
876 mac_read_from_eeprom();
880 if ((gd->board_type >> 16) == 2)
881 bd->bi_ethspeed = gd->board_type & 0xFFFF;
883 bd->bi_ethspeed = 0xFFFF;
886 #ifdef CONFIG_CMD_NET
887 /* kept around for legacy kernels only ... ignore the next section */
888 eth_getenv_enetaddr("ethaddr", bd->bi_enetaddr);
889 #ifdef CONFIG_HAS_ETH1
890 eth_getenv_enetaddr("eth1addr", bd->bi_enet1addr);
892 #ifdef CONFIG_HAS_ETH2
893 eth_getenv_enetaddr("eth2addr", bd->bi_enet2addr);
895 #ifdef CONFIG_HAS_ETH3
896 eth_getenv_enetaddr("eth3addr", bd->bi_enet3addr);
898 #ifdef CONFIG_HAS_ETH4
899 eth_getenv_enetaddr("eth4addr", bd->bi_enet4addr);
901 #ifdef CONFIG_HAS_ETH5
902 eth_getenv_enetaddr("eth5addr", bd->bi_enet5addr);
904 #endif /* CONFIG_CMD_NET */
907 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
911 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
913 * Do pci configuration
918 /** leave this here (after malloc(), environment and PCI are working) **/
919 /* Initialize stdio devices */
922 /* Initialize the jump table for applications */
925 #if defined(CONFIG_API)
930 /* Initialize the console (after the relocation and devices init) */
933 #if defined(CONFIG_CCM) || \
934 defined(CONFIG_COGENT) || \
935 defined(CONFIG_CPCI405) || \
936 defined(CONFIG_EVB64260) || \
937 defined(CONFIG_KUP4K) || \
938 defined(CONFIG_KUP4X) || \
939 defined(CONFIG_LWMON) || \
940 defined(CONFIG_PCU_E) || \
941 defined(CONFIG_SC3) || \
942 defined(CONFIG_W7O) || \
943 defined(CONFIG_MISC_INIT_R)
944 /* miscellaneous platform dependent initialisations */
949 if (bd->bi_ethspeed != 0xFFFF)
950 hermes_start_lxt980 ((int) bd->bi_ethspeed);
953 #if defined(CONFIG_CMD_KGDB)
959 debug ("U-Boot relocated to %08lx\n", dest_addr);
966 /* Must happen after interrupts are initialized since
967 * an irq handler gets installed
969 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
970 serial_buffered_init();
973 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
974 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
981 /* Initialize from environment */
982 if ((s = getenv ("loadaddr")) != NULL) {
983 load_addr = simple_strtoul (s, NULL, 16);
985 #if defined(CONFIG_CMD_NET)
986 if ((s = getenv ("bootfile")) != NULL) {
987 copy_filename (BootFile, s, sizeof (BootFile));
993 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
996 #if defined(CONFIG_CMD_SCSI)
1002 #ifdef CONFIG_GENERIC_MMC
1005 mmc_initialize (bd);
1008 #if defined(CONFIG_CMD_DOC)
1014 #if defined(CONFIG_CMD_NET)
1015 #if defined(CONFIG_NET_MULTI)
1019 eth_initialize (bd);
1022 #if defined(CONFIG_CMD_NET) && ( \
1023 defined(CONFIG_CCM) || \
1024 defined(CONFIG_ELPT860) || \
1025 defined(CONFIG_EP8260) || \
1026 defined(CONFIG_IP860) || \
1027 defined(CONFIG_IVML24) || \
1028 defined(CONFIG_IVMS8) || \
1029 defined(CONFIG_MPC8260ADS) || \
1030 defined(CONFIG_MPC8266ADS) || \
1031 defined(CONFIG_MPC8560ADS) || \
1032 defined(CONFIG_PCU_E) || \
1033 defined(CONFIG_RPXSUPER) || \
1034 defined(CONFIG_STXGP3) || \
1035 defined(CONFIG_SPD823TS) || \
1036 defined(CONFIG_RESET_PHY_R) )
1039 debug ("Reset Ethernet PHY\n");
1044 post_run (NULL, POST_RAM | post_bootmode_get(0));
1047 #if defined(CONFIG_CMD_PCMCIA) \
1048 && !defined(CONFIG_CMD_IDE)
1054 #if defined(CONFIG_CMD_IDE)
1056 # ifdef CONFIG_IDE_8xx_PCCARD
1061 #if defined(CONFIG_START_IDE)
1062 if (board_start_ide())
1069 #ifdef CONFIG_LAST_STAGE_INIT
1072 * Some parts can be only initialized if all others (like
1073 * Interrupts) are up and running (i.e. the PC-style ISA
1079 #if defined(CONFIG_CMD_BEDBUG)
1084 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1086 * Export available size of memory for Linux,
1087 * taking into account the protected RAM at top of memory
1095 if ((s = getenv ("pram")) != NULL) {
1096 pram = simple_strtoul (s, NULL, 10);
1103 #ifdef CONFIG_LOGBUFFER
1104 #ifndef CONFIG_ALT_LB_ADDR
1105 /* Also take the logbuffer into account (pram is in kB) */
1106 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1109 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1110 setenv ("mem", (char *)memsz);
1114 #ifdef CONFIG_PS2KBD
1119 #ifdef CONFIG_MODEM_SUPPORT
1121 extern int do_mdm_init;
1122 do_mdm_init = gd->do_mdm_init;
1126 /* Initialization complete - start the monitor */
1128 /* main_loop() can return to retry autoboot, if so just run it again. */
1134 /* NOTREACHED - no way out of command loop except booting */
1139 puts ("### ERROR ### Please RESET the board ###\n");
1140 show_boot_progress(-30);
1145 #if 0 /* We could use plain global data, but the resulting code is bigger */
1147 * Pointer to initial global data area
1149 * Here we initialize it.
1151 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1152 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1153 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1156 /************************************************************************/