2 * (C) Copyright 2000-2006
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,
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SATA)
44 #if defined(CONFIG_CMD_SCSI)
47 #if defined(CONFIG_CMD_KGDB)
50 #ifdef CONFIG_STATUS_LED
51 #include <status_led.h>
55 #ifdef CFG_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(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CFG_UPDATE_FLASH_SIZE
79 extern int update_flash_size (int flash_size);
82 #if defined(CONFIG_SC3)
83 extern void sc3_read_eeprom(void);
86 #if defined(CONFIG_CMD_DOC)
89 #if defined(CONFIG_HARD_I2C) || \
90 defined(CONFIG_SOFT_I2C)
93 #if defined(CONFIG_HARD_SPI)
96 #if defined(CONFIG_CMD_NAND)
97 void nand_init (void);
100 static char *failed = "*** failed ***\n";
102 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
103 extern flash_info_t flash_info[];
106 #if defined(CONFIG_START_IDE)
107 extern int board_start_ide(void);
109 #include <environment.h>
111 DECLARE_GLOBAL_DATA_PTR;
113 #if defined(CFG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
115 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
116 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
117 defined(CFG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
120 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
123 #if !defined(CFG_MEM_TOP_HIDE)
124 #define CFG_MEM_TOP_HIDE 0
128 extern ulong __init_end;
130 ulong monitor_flash_len;
132 #if defined(CONFIG_CMD_BEDBUG)
133 #include <bedbug/type.h>
137 * Begin and End of memory area for malloc(), and current "brk"
139 static ulong mem_malloc_start = 0;
140 static ulong mem_malloc_end = 0;
141 static ulong mem_malloc_brk = 0;
143 /************************************************************************
145 ************************************************************************
149 * The Malloc area is immediately below the monitor copy in DRAM
151 static void mem_malloc_init (void)
153 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
154 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
156 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
157 mem_malloc_brk = mem_malloc_start;
159 memset ((void *) mem_malloc_start,
161 mem_malloc_end - mem_malloc_start);
164 void *sbrk (ptrdiff_t increment)
166 ulong old = mem_malloc_brk;
167 ulong new = old + increment;
169 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
172 mem_malloc_brk = new;
173 return ((void *) old);
176 char *strmhz (char *buf, long hz)
182 l = sprintf (buf, "%ld", n);
183 m = (hz % 1000000L) / 1000L;
185 sprintf (buf + l, ".%03ld", m);
190 * All attempts to come up with a "common" initialization sequence
191 * that works for all boards and architectures failed: some of the
192 * requirements are just _too_ different. To get rid of the resulting
193 * mess of board dependend #ifdef'ed code we now make the whole
194 * initialization sequence configurable to the user.
196 * The requirements for any new initalization function is simple: it
197 * receives a pointer to the "global data" structure as it's only
198 * argument, and returns an integer return code, where 0 means
199 * "continue" and != 0 means "fatal error, hang the system".
201 typedef int (init_fnc_t) (void);
203 /************************************************************************
205 ************************************************************************
206 * Some of this code should be moved into the core functions,
207 * but let's get it working (again) first...
210 static int init_baudrate (void)
212 char tmp[64]; /* long enough for environment variables */
213 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
215 gd->baudrate = (i > 0)
216 ? (int) simple_strtoul (tmp, NULL, 10)
221 /***********************************************************************/
223 void __board_add_ram_info(int use_default)
225 /* please define platform specific board_add_ram_info() */
227 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
230 static int init_func_ram (void)
232 #ifdef CONFIG_BOARD_TYPES
233 int board_type = gd->board_type;
235 int board_type = 0; /* use dummy arg */
239 if ((gd->ram_size = initdram (board_type)) > 0) {
240 print_size (gd->ram_size, "");
241 board_add_ram_info(0);
249 /***********************************************************************/
251 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
252 static int init_func_i2c (void)
255 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
261 #if defined(CONFIG_HARD_SPI)
262 static int init_func_spi (void)
271 /***********************************************************************/
273 #if defined(CONFIG_WATCHDOG)
274 static int init_func_watchdog_init (void)
276 puts (" Watchdog enabled\n");
280 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
282 static int init_func_watchdog_reset (void)
287 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
289 # define INIT_FUNC_WATCHDOG_INIT /* undef */
290 # define INIT_FUNC_WATCHDOG_RESET /* undef */
291 #endif /* CONFIG_WATCHDOG */
293 /************************************************************************
294 * Initialization sequence *
295 ************************************************************************
298 init_fnc_t *init_sequence[] = {
300 #if defined(CONFIG_BOARD_EARLY_INIT_F)
304 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
305 get_clocks, /* get CPU and bus clocks (etc.) */
306 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
307 && !defined(CONFIG_TQM885D)
308 adjust_sdram_tbs_8xx,
312 #ifdef CFG_ALLOC_DPRAM
313 #if !defined(CONFIG_CPM2)
317 #if defined(CONFIG_BOARD_POSTCLK_INIT)
321 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
322 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
323 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
330 #if defined(CONFIG_8260)
333 #endif /* CONFIG_8260 */
334 #if defined(CONFIG_MPC83XX)
338 #if defined(CONFIG_MPC5xxx)
340 #endif /* CONFIG_MPC5xxx */
341 #if defined(CONFIG_MPC8220)
345 INIT_FUNC_WATCHDOG_INIT
346 #if defined(CONFIG_MISC_INIT_F)
349 INIT_FUNC_WATCHDOG_RESET
350 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
353 #if defined(CONFIG_HARD_SPI)
356 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
362 INIT_FUNC_WATCHDOG_RESET
364 #if defined(CFG_DRAM_TEST)
366 #endif /* CFG_DRAM_TEST */
367 INIT_FUNC_WATCHDOG_RESET
369 NULL, /* Terminate this list */
372 #ifndef CONFIG_MAX_MEM_MAPPED
373 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
375 ulong get_effective_memsize(void)
377 #ifndef CONFIG_VERY_BIG_RAM
380 /* limit stack to what we can reasonable map */
381 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
382 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
386 /************************************************************************
388 * This is the first part of the initialization sequence that is
389 * implemented in C, but still running from ROM.
391 * The main purpose is to provide a (serial) console interface as
392 * soon as possible (so we can see any error messages), and to
393 * initialize the RAM so that we can relocate the monitor code to
396 * Be aware of the restrictions: global data is read-only, BSS is not
397 * initialized, and stack space is limited to a few kB.
399 ************************************************************************
402 void board_init_f (ulong bootflag)
405 ulong len, addr, addr_sp;
408 init_fnc_t **init_fnc_ptr;
412 uchar tmp[64]; /* long enough for environment variables */
415 /* Pointer is writable since we allocated a register for it */
416 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
417 /* compiler optimization barrier needed for GCC >= 3.4 */
418 __asm__ __volatile__("": : :"memory");
420 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
421 /* Clear initial global data */
422 memset ((void *) gd, 0, sizeof (gd_t));
425 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
426 if ((*init_fnc_ptr) () != 0) {
432 * Now that we have DRAM mapped and working, we can
433 * relocate the code and continue running from DRAM.
435 * Reserve memory at end of RAM for (top down in that order):
436 * - area that won't get touched by U-Boot and Linux (optional)
437 * - kernel log buffer
441 * - board info struct
443 len = (ulong)&_end - (ulong)&_start + EXC_OFF_SYS_RESET;
446 * Subtract specified amount of memory to hide so that it won't
447 * get "touched" at all by U-Boot. By fixing up gd->ram_size
448 * the Linux kernel should now get passed the now "corrected"
449 * memory size and won't touch it either. This should work
450 * for arch/ppc and arch/powerpc. Only Linux board ports in
451 * arch/powerpc with bootwrapper support, that recalculate the
452 * memory size from the SDRAM controller setup will have to
455 gd->ram_size -= CFG_MEM_TOP_HIDE;
457 #ifndef CONFIG_MAX_MEM_MAPPED
458 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
461 #ifndef CONFIG_VERY_BIG_RAM
462 addr = CFG_SDRAM_BASE + get_effective_memsize();
464 /* only allow stack below 256M */
465 addr = CFG_SDRAM_BASE +
466 (gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
467 CONFIG_MAX_MEM_MAPPED : get_effective_memsize();
470 #ifdef CONFIG_LOGBUFFER
471 #ifndef CONFIG_ALT_LB_ADDR
472 /* reserve kernel log buffer */
473 addr -= (LOGBUFF_RESERVE);
474 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
480 * reserve protected RAM
482 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
483 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
484 addr -= (reg << 10); /* size is in kB */
485 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
486 #endif /* CONFIG_PRAM */
488 /* round down to next 4 kB limit */
490 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
493 /* reserve memory for LCD display (always full pages) */
494 addr = lcd_setmem (addr);
496 #endif /* CONFIG_LCD */
498 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
499 /* reserve memory for video display (always full pages) */
500 addr = video_setmem (addr);
502 #endif /* CONFIG_VIDEO */
505 * reserve memory for U-Boot code, data & bss
506 * round down to next 4 kB limit
511 /* round down to next 64 kB limit so that IVPR stays aligned */
512 addr &= ~(65536 - 1);
515 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
517 #ifdef CONFIG_AMIGAONEG3SE
518 gd->relocaddr = addr;
522 * reserve memory for malloc() arena
524 addr_sp = addr - TOTAL_MALLOC_LEN;
525 debug ("Reserving %dk for malloc() at: %08lx\n",
526 TOTAL_MALLOC_LEN >> 10, addr_sp);
529 * (permanently) allocate a Board Info struct
530 * and a permanent copy of the "global" data
532 addr_sp -= sizeof (bd_t);
533 bd = (bd_t *) addr_sp;
535 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
536 sizeof (bd_t), addr_sp);
537 addr_sp -= sizeof (gd_t);
538 id = (gd_t *) addr_sp;
539 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
540 sizeof (gd_t), addr_sp);
543 * Finally, we set up a new (bigger) stack.
545 * Leave some safety gap for SP, force alignment on 16 byte boundary
546 * Clear initial stack frame
550 s = (ulong *)addr_sp;
554 debug ("Stack Pointer at: %08lx\n", addr_sp);
557 * Save local variables to board info struct
560 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
561 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
564 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
565 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
566 #elif defined CONFIG_MPC8220
567 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
568 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
570 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
571 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
574 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
575 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
576 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
578 #if defined(CONFIG_MPC5xxx)
579 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
581 #if defined(CONFIG_MPC83XX)
582 bd->bi_immrbar = CFG_IMMR;
584 #if defined(CONFIG_MPC8220)
585 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
586 bd->bi_inpfreq = gd->inp_clk;
587 bd->bi_pcifreq = gd->pci_clk;
588 bd->bi_vcofreq = gd->vco_clk;
589 bd->bi_pevfreq = gd->pev_clk;
590 bd->bi_flbfreq = gd->flb_clk;
592 /* store bootparam to sram (backward compatible), here? */
594 u32 *sram = (u32 *)CFG_SRAM_BASE;
595 *sram++ = gd->ram_size;
596 *sram++ = gd->bus_clk;
597 *sram++ = gd->inp_clk;
598 *sram++ = gd->cpu_clk;
599 *sram++ = gd->vco_clk;
600 *sram++ = gd->flb_clk;
601 *sram++ = 0xb8c3ba11; /* boot signature */
605 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
608 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
609 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
610 #if defined(CONFIG_CPM2)
611 bd->bi_cpmfreq = gd->cpm_clk;
612 bd->bi_brgfreq = gd->brg_clk;
613 bd->bi_sccfreq = gd->scc_clk;
614 bd->bi_vco = gd->vco_out;
615 #endif /* CONFIG_CPM2 */
616 #if defined(CONFIG_MPC512X)
617 bd->bi_ipsfreq = gd->ips_clk;
618 #endif /* CONFIG_MPC512X */
619 #if defined(CONFIG_MPC5xxx)
620 bd->bi_ipbfreq = gd->ipb_clk;
621 bd->bi_pcifreq = gd->pci_clk;
622 #endif /* CONFIG_MPC5xxx */
623 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
626 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
627 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
629 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
630 bd->bi_plb_busfreq = gd->bus_clk;
631 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
632 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
633 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
634 bd->bi_pci_busfreq = get_PCI_freq ();
635 bd->bi_opbfreq = get_OPB_freq ();
636 #elif defined(CONFIG_XILINX_ML300)
637 bd->bi_pci_busfreq = get_PCI_freq ();
641 debug ("New Stack Pointer is: %08lx\n", addr_sp);
646 post_bootmode_init();
647 post_run (NULL, POST_ROM | post_bootmode_get(0));
652 memcpy (id, (void *)gd, sizeof (gd_t));
654 relocate_code (addr_sp, id, addr);
656 /* NOTREACHED - relocate_code() does not return */
659 /************************************************************************
661 * This is the next part if the initialization sequence: we are now
662 * running from RAM and have a "normal" C environment, i. e. global
663 * data can be written, BSS has been cleared, the stack size in not
664 * that critical any more, etc.
666 ************************************************************************
668 void board_init_r (gd_t *id, ulong dest_addr)
674 extern void malloc_bin_reloc (void);
675 #ifndef CFG_ENV_IS_NOWHERE
676 extern char * env_name_spec;
683 gd = id; /* initialize RAM version of global data */
686 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
688 #if defined(CONFIG_RELOC_FIXUP_WORKS)
690 mem_malloc_end = dest_addr;
692 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
695 #ifdef CONFIG_SERIAL_MULTI
699 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
703 #if defined(CONFIG_BOARD_EARLY_INIT_R)
704 board_early_init_r ();
707 monitor_flash_len = (ulong)&__init_end - dest_addr;
710 * We have to relocate the command table manually
712 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
714 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
716 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
717 cmdtp->name, (ulong) (cmdtp->cmd), addr);
720 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
722 addr = (ulong)(cmdtp->name) + gd->reloc_off;
723 cmdtp->name = (char *)addr;
726 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
727 cmdtp->usage = (char *)addr;
731 addr = (ulong)(cmdtp->help) + gd->reloc_off;
732 cmdtp->help = (char *)addr;
736 /* there are some other pointer constants we must deal with */
737 #ifndef CFG_ENV_IS_NOWHERE
738 env_name_spec += gd->reloc_off;
743 #ifdef CONFIG_LOGBUFFER
744 logbuff_init_ptrs ();
747 post_output_backlog ();
753 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
754 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
755 icache_enable (); /* it's time to enable the instruction cache */
758 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
759 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
762 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
764 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
765 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
770 #if defined(CONFIG_BAB7xx)
772 * Initialise the ISA bridge
774 initialise_w83c553f ();
777 asm ("sync ; isync");
780 * Setup trap handlers
782 trap_init (dest_addr);
784 #if !defined(CFG_NO_FLASH)
787 if ((flash_size = flash_init ()) > 0) {
788 # ifdef CFG_FLASH_CHECKSUM
789 print_size (flash_size, "");
791 * Compute and print flash CRC if flashchecksum is set to 'y'
793 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
795 s = getenv ("flashchecksum");
796 if (s && (*s == 'y')) {
797 printf (" CRC: %08lX",
798 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
802 # else /* !CFG_FLASH_CHECKSUM */
803 print_size (flash_size, "\n");
804 # endif /* CFG_FLASH_CHECKSUM */
810 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
811 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
813 #if defined(CFG_UPDATE_FLASH_SIZE)
814 /* Make a update of the Memctrl. */
815 update_flash_size (flash_size);
819 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
820 /* flash mapped at end of memory map */
821 bd->bi_flashoffset = TEXT_BASE + flash_size;
822 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
823 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
825 bd->bi_flashoffset = 0;
827 #else /* CFG_NO_FLASH */
829 bd->bi_flashsize = 0;
830 bd->bi_flashstart = 0;
831 bd->bi_flashoffset = 0;
832 #endif /* !CFG_NO_FLASH */
836 /* initialize higher level parts of CPU like time base and timers */
841 /* initialize malloc() area */
846 # if !defined(CFG_ENV_IS_IN_EEPROM)
852 #if defined(CONFIG_CMD_NAND)
855 nand_init(); /* go init the NAND */
858 /* relocate environment function pointers etc. */
862 * Fill in missing fields of bd_info.
863 * We do this here, where we have "normal" access to the
864 * environment; we used to do this still running from ROM,
865 * where had to use getenv_r(), which can be pretty slow when
866 * the environment is in EEPROM.
869 #if defined(CFG_EXTBDINFO)
870 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
871 #if defined(CONFIG_I2CFAST)
873 * set bi_iic_fast for linux taking environment variable
874 * "i2cfast" into account
877 char *s = getenv ("i2cfast");
878 if (s && ((*s == 'y') || (*s == 'Y'))) {
879 bd->bi_iic_fast[0] = 1;
880 bd->bi_iic_fast[1] = 1;
882 bd->bi_iic_fast[0] = 0;
883 bd->bi_iic_fast[1] = 0;
887 bd->bi_iic_fast[0] = 0;
888 bd->bi_iic_fast[1] = 0;
889 #endif /* CONFIG_I2CFAST */
890 #endif /* CONFIG_405GP, CONFIG_405EP */
891 #endif /* CFG_EXTBDINFO */
893 #if defined(CONFIG_SC3)
897 #if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
898 mac_read_from_eeprom();
901 s = getenv ("ethaddr");
902 #if defined (CONFIG_MBX) || \
903 defined (CONFIG_RPXCLASSIC) || \
904 defined(CONFIG_IAD210) || \
907 board_get_enetaddr (bd->bi_enetaddr);
910 for (i = 0; i < 6; ++i) {
911 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
913 s = (*e) ? e + 1 : e;
916 if ((gd->board_type >> 16) == 2)
917 bd->bi_ethspeed = gd->board_type & 0xFFFF;
919 bd->bi_ethspeed = 0xFFFF;
923 load_sernum_ethaddr ();
926 #ifdef CONFIG_HAS_ETH1
927 /* handle the 2nd ethernet address */
929 s = getenv ("eth1addr");
931 for (i = 0; i < 6; ++i) {
932 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
934 s = (*e) ? e + 1 : e;
937 #ifdef CONFIG_HAS_ETH2
938 /* handle the 3rd ethernet address */
940 s = getenv ("eth2addr");
941 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
943 board_get_enetaddr(bd->bi_enet2addr);
946 for (i = 0; i < 6; ++i) {
947 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
949 s = (*e) ? e + 1 : e;
953 #ifdef CONFIG_HAS_ETH3
954 /* handle 4th ethernet address */
955 s = getenv("eth3addr");
956 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
958 board_get_enetaddr(bd->bi_enet3addr);
961 for (i = 0; i < 6; ++i) {
962 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
964 s = (*e) ? e + 1 : e;
968 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
969 defined(CONFIG_TQM8272) || \
970 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
971 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
972 load_sernum_ethaddr ();
975 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
979 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
981 * Do pci configuration
986 /** leave this here (after malloc(), environment and PCI are working) **/
987 /* Initialize devices */
990 /* Initialize the jump table for applications */
993 #if defined(CONFIG_API)
998 /* Initialize the console (after the relocation and devices init) */
1001 #if defined(CONFIG_CCM) || \
1002 defined(CONFIG_COGENT) || \
1003 defined(CONFIG_CPCI405) || \
1004 defined(CONFIG_EVB64260) || \
1005 defined(CONFIG_KUP4K) || \
1006 defined(CONFIG_KUP4X) || \
1007 defined(CONFIG_LWMON) || \
1008 defined(CONFIG_PCU_E) || \
1009 defined(CONFIG_SC3) || \
1010 defined(CONFIG_W7O) || \
1011 defined(CONFIG_MISC_INIT_R)
1012 /* miscellaneous platform dependent initialisations */
1016 #ifdef CONFIG_HERMES
1017 if (bd->bi_ethspeed != 0xFFFF)
1018 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1021 #if defined(CONFIG_CMD_KGDB)
1027 debug ("U-Boot relocated to %08lx\n", dest_addr);
1034 /* Must happen after interrupts are initialized since
1035 * an irq handler gets installed
1037 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1038 serial_buffered_init();
1041 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1042 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1049 /* Initialize from environment */
1050 if ((s = getenv ("loadaddr")) != NULL) {
1051 load_addr = simple_strtoul (s, NULL, 16);
1053 #if defined(CONFIG_CMD_NET)
1054 if ((s = getenv ("bootfile")) != NULL) {
1055 copy_filename (BootFile, s, sizeof (BootFile));
1061 #if defined(CONFIG_CMD_SCSI)
1067 #if defined(CONFIG_CMD_DOC)
1073 #if defined(CONFIG_CMD_NET)
1074 #if defined(CONFIG_NET_MULTI)
1078 eth_initialize (bd);
1081 #if defined(CONFIG_CMD_NET) && ( \
1082 defined(CONFIG_CCM) || \
1083 defined(CONFIG_ELPT860) || \
1084 defined(CONFIG_EP8260) || \
1085 defined(CONFIG_IP860) || \
1086 defined(CONFIG_IVML24) || \
1087 defined(CONFIG_IVMS8) || \
1088 defined(CONFIG_MPC8260ADS) || \
1089 defined(CONFIG_MPC8266ADS) || \
1090 defined(CONFIG_MPC8560ADS) || \
1091 defined(CONFIG_PCU_E) || \
1092 defined(CONFIG_RPXSUPER) || \
1093 defined(CONFIG_STXGP3) || \
1094 defined(CONFIG_SPD823TS) || \
1095 defined(CONFIG_RESET_PHY_R) )
1098 debug ("Reset Ethernet PHY\n");
1103 post_run (NULL, POST_RAM | post_bootmode_get(0));
1106 #if defined(CONFIG_CMD_PCMCIA) \
1107 && !defined(CONFIG_CMD_IDE)
1113 #if defined(CONFIG_CMD_IDE)
1115 # ifdef CONFIG_IDE_8xx_PCCARD
1120 #if defined(CONFIG_START_IDE)
1121 if (board_start_ide())
1128 #if defined(CONFIG_CMD_SATA)
1133 #ifdef CONFIG_LAST_STAGE_INIT
1136 * Some parts can be only initialized if all others (like
1137 * Interrupts) are up and running (i.e. the PC-style ISA
1143 #if defined(CONFIG_CMD_BEDBUG)
1148 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1150 * Export available size of memory for Linux,
1151 * taking into account the protected RAM at top of memory
1159 if ((s = getenv ("pram")) != NULL) {
1160 pram = simple_strtoul (s, NULL, 10);
1167 #ifdef CONFIG_LOGBUFFER
1168 #ifndef CONFIG_ALT_LB_ADDR
1169 /* Also take the logbuffer into account (pram is in kB) */
1170 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1173 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1174 setenv ("mem", (char *)memsz);
1178 #ifdef CONFIG_PS2KBD
1183 #ifdef CONFIG_MODEM_SUPPORT
1185 extern int do_mdm_init;
1186 do_mdm_init = gd->do_mdm_init;
1190 /* Initialization complete - start the monitor */
1192 /* main_loop() can return to retry autoboot, if so just run it again. */
1198 /* NOTREACHED - no way out of command loop except booting */
1203 puts ("### ERROR ### Please RESET the board ###\n");
1204 show_boot_progress(-30);
1208 #ifdef CONFIG_MODEM_SUPPORT
1209 /* called from main loop (common/main.c) */
1210 /* 'inline' - We have to do it fast */
1211 static inline void mdm_readline(char *buf, int bufsiz)
1222 /* dbg("(%c)", c); */
1234 return; /* sanity check */
1243 extern void dbg(const char *fmt, ...);
1249 extern char console_buffer[];
1250 extern void enable_putc(void);
1251 extern int hwflow_onoff(int);
1253 enable_putc(); /* enable serial_putc() */
1255 #ifdef CONFIG_HWFLOW
1256 init_str = getenv("mdm_flow_control");
1257 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1264 sprintf(env_str, "mdm_init%d", i);
1265 if ((init_str = getenv(env_str)) != NULL) {
1266 serial_puts(init_str);
1269 mdm_readline(console_buffer, CFG_CBSIZE);
1270 dbg("ini%d: [%s]", i, console_buffer);
1272 if ((strcmp(console_buffer, "OK") == 0) ||
1273 (strcmp(console_buffer, "ERROR") == 0)) {
1274 dbg("ini%d: cmd done", i);
1276 } else /* in case we are originating call ... */
1277 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1278 dbg("ini%d: connect", i);
1283 break; /* no init string - stop modem init */
1290 /* final stage - wait for connect */
1291 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1292 message from modem */
1293 mdm_readline(console_buffer, CFG_CBSIZE);
1294 dbg("ini_f: [%s]", console_buffer);
1295 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1296 dbg("ini_f: connected");
1306 #if 0 /* We could use plain global data, but the resulting code is bigger */
1308 * Pointer to initial global data area
1310 * Here we initialize it.
1312 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1313 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1314 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1317 /************************************************************************/