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,
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>
52 #ifdef CFG_ALLOC_DPRAM
53 #if !defined(CONFIG_CPM2)
58 #if defined(CONFIG_BAB7xx)
62 #if defined(CONFIG_POST)
65 #if defined(CONFIG_LOGBUFFER)
68 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
69 #include <asm/cache.h>
75 #ifdef CFG_UPDATE_FLASH_SIZE
76 extern int update_flash_size (int flash_size);
79 #if defined(CONFIG_SC3)
80 extern void sc3_read_eeprom(void);
83 #if defined(CONFIG_CMD_DOC)
86 #if defined(CONFIG_HARD_I2C) || \
87 defined(CONFIG_SOFT_I2C)
90 #if defined(CONFIG_CMD_NAND)
91 void nand_init (void);
94 static char *failed = "*** failed ***\n";
96 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
97 extern flash_info_t flash_info[];
100 #if defined(CONFIG_START_IDE)
101 extern int board_start_ide(void);
103 #include <environment.h>
105 DECLARE_GLOBAL_DATA_PTR;
107 #if defined(CFG_ENV_IS_EMBEDDED)
108 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
109 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
110 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
111 defined(CFG_ENV_IS_IN_NVRAM)
112 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
117 extern ulong __init_end;
119 ulong monitor_flash_len;
121 #if defined(CONFIG_CMD_BEDBUG)
122 #include <bedbug/type.h>
126 * Begin and End of memory area for malloc(), and current "brk"
128 static ulong mem_malloc_start = 0;
129 static ulong mem_malloc_end = 0;
130 static ulong mem_malloc_brk = 0;
132 /************************************************************************
134 ************************************************************************
138 * The Malloc area is immediately below the monitor copy in DRAM
140 static void mem_malloc_init (void)
142 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
143 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
145 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
146 mem_malloc_brk = mem_malloc_start;
148 memset ((void *) mem_malloc_start,
150 mem_malloc_end - mem_malloc_start);
153 void *sbrk (ptrdiff_t increment)
155 ulong old = mem_malloc_brk;
156 ulong new = old + increment;
158 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
161 mem_malloc_brk = new;
162 return ((void *) old);
165 char *strmhz (char *buf, long hz)
171 l = sprintf (buf, "%ld", n);
172 m = (hz % 1000000L) / 1000L;
174 sprintf (buf + l, ".%03ld", m);
179 * All attempts to come up with a "common" initialization sequence
180 * that works for all boards and architectures failed: some of the
181 * requirements are just _too_ different. To get rid of the resulting
182 * mess of board dependend #ifdef'ed code we now make the whole
183 * initialization sequence configurable to the user.
185 * The requirements for any new initalization function is simple: it
186 * receives a pointer to the "global data" structure as it's only
187 * argument, and returns an integer return code, where 0 means
188 * "continue" and != 0 means "fatal error, hang the system".
190 typedef int (init_fnc_t) (void);
192 /************************************************************************
194 ************************************************************************
195 * Some of this code should be moved into the core functions,
196 * but let's get it working (again) first...
199 static int init_baudrate (void)
201 char tmp[64]; /* long enough for environment variables */
202 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
204 gd->baudrate = (i > 0)
205 ? (int) simple_strtoul (tmp, NULL, 10)
210 /***********************************************************************/
212 void __board_add_ram_info(int use_default)
214 /* please define platform specific board_add_ram_info() */
216 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
219 static int init_func_ram (void)
221 #ifdef CONFIG_BOARD_TYPES
222 int board_type = gd->board_type;
224 int board_type = 0; /* use dummy arg */
228 if ((gd->ram_size = initdram (board_type)) > 0) {
229 print_size (gd->ram_size, "");
230 board_add_ram_info(0);
238 /***********************************************************************/
240 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
241 static int init_func_i2c (void)
244 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
250 /***********************************************************************/
252 #if defined(CONFIG_WATCHDOG)
253 static int init_func_watchdog_init (void)
255 puts (" Watchdog enabled\n");
259 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
261 static int init_func_watchdog_reset (void)
266 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
268 # define INIT_FUNC_WATCHDOG_INIT /* undef */
269 # define INIT_FUNC_WATCHDOG_RESET /* undef */
270 #endif /* CONFIG_WATCHDOG */
272 /************************************************************************
273 * Initialization sequence *
274 ************************************************************************
277 init_fnc_t *init_sequence[] = {
279 #if defined(CONFIG_BOARD_EARLY_INIT_F)
283 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
284 get_clocks, /* get CPU and bus clocks (etc.) */
285 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
286 && !defined(CONFIG_TQM885D)
287 adjust_sdram_tbs_8xx,
291 #ifdef CFG_ALLOC_DPRAM
292 #if !defined(CONFIG_CPM2)
296 #if defined(CONFIG_BOARD_POSTCLK_INIT)
300 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
301 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
302 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
309 #if defined(CONFIG_8260)
312 #endif /* CONFIG_8260 */
313 #if defined(CONFIG_MPC83XX)
317 #if defined(CONFIG_MPC5xxx)
319 #endif /* CONFIG_MPC5xxx */
320 #if defined(CONFIG_MPC8220)
324 INIT_FUNC_WATCHDOG_INIT
325 #if defined(CONFIG_MISC_INIT_F)
328 INIT_FUNC_WATCHDOG_RESET
329 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
332 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
338 INIT_FUNC_WATCHDOG_RESET
340 #if defined(CFG_DRAM_TEST)
342 #endif /* CFG_DRAM_TEST */
343 INIT_FUNC_WATCHDOG_RESET
345 NULL, /* Terminate this list */
348 /************************************************************************
350 * This is the first part of the initialization sequence that is
351 * implemented in C, but still running from ROM.
353 * The main purpose is to provide a (serial) console interface as
354 * soon as possible (so we can see any error messages), and to
355 * initialize the RAM so that we can relocate the monitor code to
358 * Be aware of the restrictions: global data is read-only, BSS is not
359 * initialized, and stack space is limited to a few kB.
361 ************************************************************************
364 void board_init_f (ulong bootflag)
367 ulong len, addr, addr_sp;
370 init_fnc_t **init_fnc_ptr;
374 uchar tmp[64]; /* long enough for environment variables */
377 /* Pointer is writable since we allocated a register for it */
378 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
379 /* compiler optimization barrier needed for GCC >= 3.4 */
380 __asm__ __volatile__("": : :"memory");
382 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
383 /* Clear initial global data */
384 memset ((void *) gd, 0, sizeof (gd_t));
387 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
388 if ((*init_fnc_ptr) () != 0) {
394 * Now that we have DRAM mapped and working, we can
395 * relocate the code and continue running from DRAM.
397 * Reserve memory at end of RAM for (top down in that order):
398 * - kernel log buffer
402 * - board info struct
404 len = (ulong)&_end - CFG_MONITOR_BASE;
406 #ifndef CONFIG_VERY_BIG_RAM
407 addr = CFG_SDRAM_BASE + gd->ram_size;
409 /* only allow stack below 256M */
410 addr = CFG_SDRAM_BASE +
411 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
414 #ifdef CONFIG_LOGBUFFER
415 /* reserve kernel log buffer */
416 addr -= (LOGBUFF_RESERVE);
417 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
422 * reserve protected RAM
424 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
425 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
426 addr -= (reg << 10); /* size is in kB */
427 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
428 #endif /* CONFIG_PRAM */
430 /* round down to next 4 kB limit */
432 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
435 /* reserve memory for LCD display (always full pages) */
436 addr = lcd_setmem (addr);
438 #endif /* CONFIG_LCD */
440 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
441 /* reserve memory for video display (always full pages) */
442 addr = video_setmem (addr);
444 #endif /* CONFIG_VIDEO */
447 * reserve memory for U-Boot code, data & bss
448 * round down to next 4 kB limit
453 /* round down to next 64 kB limit so that IVPR stays aligned */
454 addr &= ~(65536 - 1);
457 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
459 #ifdef CONFIG_AMIGAONEG3SE
460 gd->relocaddr = addr;
464 * reserve memory for malloc() arena
466 addr_sp = addr - TOTAL_MALLOC_LEN;
467 debug ("Reserving %dk for malloc() at: %08lx\n",
468 TOTAL_MALLOC_LEN >> 10, addr_sp);
471 * (permanently) allocate a Board Info struct
472 * and a permanent copy of the "global" data
474 addr_sp -= sizeof (bd_t);
475 bd = (bd_t *) addr_sp;
477 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
478 sizeof (bd_t), addr_sp);
479 addr_sp -= sizeof (gd_t);
480 id = (gd_t *) addr_sp;
481 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
482 sizeof (gd_t), addr_sp);
485 * Finally, we set up a new (bigger) stack.
487 * Leave some safety gap for SP, force alignment on 16 byte boundary
488 * Clear initial stack frame
492 s = (ulong *)addr_sp;
496 debug ("Stack Pointer at: %08lx\n", addr_sp);
499 * Save local variables to board info struct
502 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
503 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
506 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
507 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
508 #elif defined CONFIG_MPC8220
509 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
510 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
512 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
513 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
516 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
517 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
518 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
520 #if defined(CONFIG_MPC5xxx)
521 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
523 #if defined(CONFIG_MPC83XX)
524 bd->bi_immrbar = CFG_IMMR;
526 #if defined(CONFIG_MPC8220)
527 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
528 bd->bi_inpfreq = gd->inp_clk;
529 bd->bi_pcifreq = gd->pci_clk;
530 bd->bi_vcofreq = gd->vco_clk;
531 bd->bi_pevfreq = gd->pev_clk;
532 bd->bi_flbfreq = gd->flb_clk;
534 /* store bootparam to sram (backward compatible), here? */
536 u32 *sram = (u32 *)CFG_SRAM_BASE;
537 *sram++ = gd->ram_size;
538 *sram++ = gd->bus_clk;
539 *sram++ = gd->inp_clk;
540 *sram++ = gd->cpu_clk;
541 *sram++ = gd->vco_clk;
542 *sram++ = gd->flb_clk;
543 *sram++ = 0xb8c3ba11; /* boot signature */
547 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
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->cpm_clk;
554 bd->bi_brgfreq = gd->brg_clk;
555 bd->bi_sccfreq = gd->scc_clk;
556 bd->bi_vco = gd->vco_out;
557 #endif /* CONFIG_CPM2 */
558 #if defined(CONFIG_MPC5xxx)
559 bd->bi_ipbfreq = gd->ipb_clk;
560 bd->bi_pcifreq = gd->pci_clk;
561 #endif /* CONFIG_MPC5xxx */
562 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
565 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
566 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
568 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
569 bd->bi_plb_busfreq = gd->bus_clk;
570 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
571 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
572 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
573 bd->bi_pci_busfreq = get_PCI_freq ();
574 bd->bi_opbfreq = get_OPB_freq ();
575 #elif defined(CONFIG_XILINX_ML300)
576 bd->bi_pci_busfreq = get_PCI_freq ();
580 debug ("New Stack Pointer is: %08lx\n", addr_sp);
585 post_bootmode_init();
586 post_run (NULL, POST_ROM | post_bootmode_get(0));
591 memcpy (id, (void *)gd, sizeof (gd_t));
593 relocate_code (addr_sp, id, addr);
595 /* NOTREACHED - relocate_code() does not return */
598 /************************************************************************
600 * This is the next part if the initialization sequence: we are now
601 * running from RAM and have a "normal" C environment, i. e. global
602 * data can be written, BSS has been cleared, the stack size in not
603 * that critical any more, etc.
605 ************************************************************************
607 void board_init_r (gd_t *id, ulong dest_addr)
613 extern void malloc_bin_reloc (void);
614 #ifndef CFG_ENV_IS_NOWHERE
615 extern char * env_name_spec;
622 gd = id; /* initialize RAM version of global data */
625 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
627 #if defined(CONFIG_RELOC_FIXUP_WORKS)
629 mem_malloc_end = dest_addr;
631 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
634 #ifdef CONFIG_SERIAL_MULTI
638 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
642 #if defined(CONFIG_BOARD_EARLY_INIT_R)
643 board_early_init_r ();
646 monitor_flash_len = (ulong)&__init_end - dest_addr;
649 * We have to relocate the command table manually
651 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
653 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
655 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
656 cmdtp->name, (ulong) (cmdtp->cmd), addr);
659 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
661 addr = (ulong)(cmdtp->name) + gd->reloc_off;
662 cmdtp->name = (char *)addr;
665 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
666 cmdtp->usage = (char *)addr;
670 addr = (ulong)(cmdtp->help) + gd->reloc_off;
671 cmdtp->help = (char *)addr;
675 /* there are some other pointer constants we must deal with */
676 #ifndef CFG_ENV_IS_NOWHERE
677 env_name_spec += gd->reloc_off;
682 #ifdef CONFIG_LOGBUFFER
683 logbuff_init_ptrs ();
686 post_output_backlog ();
692 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
693 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
694 icache_enable (); /* it's time to enable the instruction cache */
697 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
698 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
701 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
703 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
704 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
709 #if defined(CONFIG_BAB7xx)
711 * Initialise the ISA bridge
713 initialise_w83c553f ();
716 asm ("sync ; isync");
719 * Setup trap handlers
721 trap_init (dest_addr);
723 #if !defined(CFG_NO_FLASH)
726 if ((flash_size = flash_init ()) > 0) {
727 # ifdef CFG_FLASH_CHECKSUM
728 print_size (flash_size, "");
730 * Compute and print flash CRC if flashchecksum is set to 'y'
732 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
734 s = getenv ("flashchecksum");
735 if (s && (*s == 'y')) {
736 printf (" CRC: %08lX",
737 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
741 # else /* !CFG_FLASH_CHECKSUM */
742 print_size (flash_size, "\n");
743 # endif /* CFG_FLASH_CHECKSUM */
749 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
750 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
752 #if defined(CFG_UPDATE_FLASH_SIZE)
753 /* Make a update of the Memctrl. */
754 update_flash_size (flash_size);
758 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
759 /* flash mapped at end of memory map */
760 bd->bi_flashoffset = TEXT_BASE + flash_size;
761 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
762 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
764 bd->bi_flashoffset = 0;
766 #else /* CFG_NO_FLASH */
768 bd->bi_flashsize = 0;
769 bd->bi_flashstart = 0;
770 bd->bi_flashoffset = 0;
771 #endif /* !CFG_NO_FLASH */
775 /* initialize higher level parts of CPU like time base and timers */
780 /* initialize malloc() area */
785 # if !defined(CFG_ENV_IS_IN_EEPROM)
791 #if defined(CONFIG_CMD_NAND)
794 nand_init(); /* go init the NAND */
797 /* relocate environment function pointers etc. */
801 * Fill in missing fields of bd_info.
802 * We do this here, where we have "normal" access to the
803 * environment; we used to do this still running from ROM,
804 * where had to use getenv_r(), which can be pretty slow when
805 * the environment is in EEPROM.
808 #if defined(CFG_EXTBDINFO)
809 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
810 #if defined(CONFIG_I2CFAST)
812 * set bi_iic_fast for linux taking environment variable
813 * "i2cfast" into account
816 char *s = getenv ("i2cfast");
817 if (s && ((*s == 'y') || (*s == 'Y'))) {
818 bd->bi_iic_fast[0] = 1;
819 bd->bi_iic_fast[1] = 1;
821 bd->bi_iic_fast[0] = 0;
822 bd->bi_iic_fast[1] = 0;
826 bd->bi_iic_fast[0] = 0;
827 bd->bi_iic_fast[1] = 0;
828 #endif /* CONFIG_I2CFAST */
829 #endif /* CONFIG_405GP, CONFIG_405EP */
830 #endif /* CFG_EXTBDINFO */
832 #if defined(CONFIG_SC3)
835 s = getenv ("ethaddr");
836 #if defined (CONFIG_MBX) || \
837 defined (CONFIG_RPXCLASSIC) || \
838 defined(CONFIG_IAD210) || \
841 board_get_enetaddr (bd->bi_enetaddr);
844 for (i = 0; i < 6; ++i) {
845 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
847 s = (*e) ? e + 1 : e;
850 if ((gd->board_type >> 16) == 2)
851 bd->bi_ethspeed = gd->board_type & 0xFFFF;
853 bd->bi_ethspeed = 0xFFFF;
857 load_sernum_ethaddr ();
860 #ifdef CONFIG_HAS_ETH1
861 /* handle the 2nd ethernet address */
863 s = getenv ("eth1addr");
865 for (i = 0; i < 6; ++i) {
866 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
868 s = (*e) ? e + 1 : e;
871 #ifdef CONFIG_HAS_ETH2
872 /* handle the 3rd ethernet address */
874 s = getenv ("eth2addr");
875 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
877 board_get_enetaddr(bd->bi_enet2addr);
880 for (i = 0; i < 6; ++i) {
881 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
883 s = (*e) ? e + 1 : e;
887 #ifdef CONFIG_HAS_ETH3
888 /* handle 4th ethernet address */
889 s = getenv("eth3addr");
890 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
892 board_get_enetaddr(bd->bi_enet3addr);
895 for (i = 0; i < 6; ++i) {
896 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
898 s = (*e) ? e + 1 : e;
903 mac_read_from_eeprom();
906 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
907 defined(CONFIG_TQM8272) || \
908 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
909 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
910 load_sernum_ethaddr ();
913 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
917 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
919 * Do pci configuration
924 /** leave this here (after malloc(), environment and PCI are working) **/
925 /* Initialize devices */
928 /* Initialize the jump table for applications */
931 /* Initialize the console (after the relocation and devices init) */
934 #if defined(CONFIG_CCM) || \
935 defined(CONFIG_COGENT) || \
936 defined(CONFIG_CPCI405) || \
937 defined(CONFIG_EVB64260) || \
938 defined(CONFIG_KUP4K) || \
939 defined(CONFIG_KUP4X) || \
940 defined(CONFIG_LWMON) || \
941 defined(CONFIG_PCU_E) || \
942 defined(CONFIG_SC3) || \
943 defined(CONFIG_W7O) || \
944 defined(CONFIG_MISC_INIT_R)
945 /* miscellaneous platform dependent initialisations */
950 if (bd->bi_ethspeed != 0xFFFF)
951 hermes_start_lxt980 ((int) bd->bi_ethspeed);
954 #if defined(CONFIG_CMD_KGDB)
960 debug ("U-Boot relocated to %08lx\n", dest_addr);
967 /* Must happen after interrupts are initialized since
968 * an irq handler gets installed
970 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
971 serial_buffered_init();
974 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
975 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
982 /* Initialize from environment */
983 if ((s = getenv ("loadaddr")) != NULL) {
984 load_addr = simple_strtoul (s, NULL, 16);
986 #if defined(CONFIG_CMD_NET)
987 if ((s = getenv ("bootfile")) != NULL) {
988 copy_filename (BootFile, s, sizeof (BootFile));
994 #if defined(CONFIG_CMD_SCSI)
1000 #if defined(CONFIG_CMD_DOC)
1006 #if defined(CONFIG_CMD_NET)
1007 #if defined(CONFIG_NET_MULTI)
1011 eth_initialize (bd);
1014 #if defined(CONFIG_CMD_NET) && ( \
1015 defined(CONFIG_CCM) || \
1016 defined(CONFIG_ELPT860) || \
1017 defined(CONFIG_EP8260) || \
1018 defined(CONFIG_IP860) || \
1019 defined(CONFIG_IVML24) || \
1020 defined(CONFIG_IVMS8) || \
1021 defined(CONFIG_MPC8260ADS) || \
1022 defined(CONFIG_MPC8266ADS) || \
1023 defined(CONFIG_MPC8560ADS) || \
1024 defined(CONFIG_PCU_E) || \
1025 defined(CONFIG_RPXSUPER) || \
1026 defined(CONFIG_STXGP3) || \
1027 defined(CONFIG_SPD823TS) || \
1028 defined(CONFIG_RESET_PHY_R) )
1031 debug ("Reset Ethernet PHY\n");
1036 post_run (NULL, POST_RAM | post_bootmode_get(0));
1039 #if defined(CONFIG_CMD_PCMCIA) \
1040 && !defined(CONFIG_CMD_IDE)
1046 #if defined(CONFIG_CMD_IDE)
1048 # ifdef CONFIG_IDE_8xx_PCCARD
1053 #if defined(CONFIG_START_IDE)
1054 if (board_start_ide())
1061 #ifdef CONFIG_LAST_STAGE_INIT
1064 * Some parts can be only initialized if all others (like
1065 * Interrupts) are up and running (i.e. the PC-style ISA
1071 #if defined(CONFIG_CMD_BEDBUG)
1076 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1078 * Export available size of memory for Linux,
1079 * taking into account the protected RAM at top of memory
1087 if ((s = getenv ("pram")) != NULL) {
1088 pram = simple_strtoul (s, NULL, 10);
1095 #ifdef CONFIG_LOGBUFFER
1096 /* Also take the logbuffer into account (pram is in kB) */
1097 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1099 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1100 setenv ("mem", (char *)memsz);
1104 #ifdef CONFIG_PS2KBD
1109 #ifdef CONFIG_MODEM_SUPPORT
1111 extern int do_mdm_init;
1112 do_mdm_init = gd->do_mdm_init;
1116 /* Initialization complete - start the monitor */
1118 /* main_loop() can return to retry autoboot, if so just run it again. */
1124 /* NOTREACHED - no way out of command loop except booting */
1129 puts ("### ERROR ### Please RESET the board ###\n");
1130 show_boot_progress(-30);
1134 #ifdef CONFIG_MODEM_SUPPORT
1135 /* called from main loop (common/main.c) */
1136 /* 'inline' - We have to do it fast */
1137 static inline void mdm_readline(char *buf, int bufsiz)
1148 /* dbg("(%c)", c); */
1160 return; /* sanity check */
1169 extern void dbg(const char *fmt, ...);
1175 extern char console_buffer[];
1176 extern void enable_putc(void);
1177 extern int hwflow_onoff(int);
1179 enable_putc(); /* enable serial_putc() */
1181 #ifdef CONFIG_HWFLOW
1182 init_str = getenv("mdm_flow_control");
1183 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1190 sprintf(env_str, "mdm_init%d", i);
1191 if ((init_str = getenv(env_str)) != NULL) {
1192 serial_puts(init_str);
1195 mdm_readline(console_buffer, CFG_CBSIZE);
1196 dbg("ini%d: [%s]", i, console_buffer);
1198 if ((strcmp(console_buffer, "OK") == 0) ||
1199 (strcmp(console_buffer, "ERROR") == 0)) {
1200 dbg("ini%d: cmd done", i);
1202 } else /* in case we are originating call ... */
1203 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1204 dbg("ini%d: connect", i);
1209 break; /* no init string - stop modem init */
1216 /* final stage - wait for connect */
1217 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1218 message from modem */
1219 mdm_readline(console_buffer, CFG_CBSIZE);
1220 dbg("ini_f: [%s]", console_buffer);
1221 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1222 dbg("ini_f: connected");
1232 #if 0 /* We could use plain global data, but the resulting code is bigger */
1234 * Pointer to initial global data area
1236 * Here we initialize it.
1238 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1239 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1240 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1243 /************************************************************************/