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 (CONFIG_COMMANDS & CFG_CMD_IDE)
41 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
44 #if (CONFIG_COMMANDS & CFG_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_SOLIDCARD3)
80 extern void sc3_read_eeprom(void);
83 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
86 #if defined(CONFIG_HARD_I2C) || \
87 defined(CONFIG_SOFT_I2C)
90 #if (CONFIG_COMMANDS & CFG_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 (CONFIG_COMMANDS & CFG_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 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
144 mem_malloc_end = dest_addr;
145 mem_malloc_start = dest_addr - 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 #ifdef CONFIG_ADD_RAM_INFO
213 void board_add_ram_info(int);
216 static int init_func_ram (void)
218 #ifdef CONFIG_BOARD_TYPES
219 int board_type = gd->board_type;
221 int board_type = 0; /* use dummy arg */
225 if ((gd->ram_size = initdram (board_type)) > 0) {
226 print_size (gd->ram_size, "");
227 #ifdef CONFIG_ADD_RAM_INFO
228 board_add_ram_info(0);
237 /***********************************************************************/
239 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
240 static int init_func_i2c (void)
243 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
249 /***********************************************************************/
251 #if defined(CONFIG_WATCHDOG)
252 static int init_func_watchdog_init (void)
254 puts (" Watchdog enabled\n");
258 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
260 static int init_func_watchdog_reset (void)
265 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
267 # define INIT_FUNC_WATCHDOG_INIT /* undef */
268 # define INIT_FUNC_WATCHDOG_RESET /* undef */
269 #endif /* CONFIG_WATCHDOG */
271 /************************************************************************
272 * Initialization sequence *
273 ************************************************************************
276 init_fnc_t *init_sequence[] = {
278 #if defined(CONFIG_BOARD_EARLY_INIT_F)
282 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
283 get_clocks, /* get CPU and bus clocks (etc.) */
284 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
285 && !defined(CONFIG_TQM885D)
286 adjust_sdram_tbs_8xx,
290 #ifdef CFG_ALLOC_DPRAM
291 #if !defined(CONFIG_CPM2)
295 #if defined(CONFIG_BOARD_POSTCLK_INIT)
299 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
300 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
301 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
308 #if defined(CONFIG_8260)
311 #endif /* CONFIG_8260 */
314 #if defined(CONFIG_MPC5xxx)
316 #endif /* CONFIG_MPC5xxx */
317 #if defined(CONFIG_MPC8220)
321 INIT_FUNC_WATCHDOG_INIT
322 #if defined(CONFIG_MISC_INIT_F)
325 INIT_FUNC_WATCHDOG_RESET
326 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
329 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
335 INIT_FUNC_WATCHDOG_RESET
337 #if defined(CFG_DRAM_TEST)
339 #endif /* CFG_DRAM_TEST */
340 INIT_FUNC_WATCHDOG_RESET
342 NULL, /* Terminate this list */
345 /************************************************************************
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.
358 ************************************************************************
361 void board_init_f (ulong bootflag)
364 ulong len, addr, addr_sp;
367 init_fnc_t **init_fnc_ptr;
371 uchar tmp[64]; /* long enough for environment variables */
374 /* Pointer is writable since we allocated a register for it */
375 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
376 /* compiler optimization barrier needed for GCC >= 3.4 */
377 __asm__ __volatile__("": : :"memory");
379 #if !defined(CONFIG_CPM2)
380 /* Clear initial global data */
381 memset ((void *) gd, 0, sizeof (gd_t));
384 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
385 if ((*init_fnc_ptr) () != 0) {
391 * Now that we have DRAM mapped and working, we can
392 * relocate the code and continue running from DRAM.
394 * Reserve memory at end of RAM for (top down in that order):
395 * - kernel log buffer
399 * - board info struct
401 len = (ulong)&_end - CFG_MONITOR_BASE;
403 #ifndef CONFIG_VERY_BIG_RAM
404 addr = CFG_SDRAM_BASE + gd->ram_size;
406 /* only allow stack below 256M */
407 addr = CFG_SDRAM_BASE +
408 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
411 #ifdef CONFIG_LOGBUFFER
412 /* reserve kernel log buffer */
413 addr -= (LOGBUFF_RESERVE);
414 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
419 * reserve protected RAM
421 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
422 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
423 addr -= (reg << 10); /* size is in kB */
424 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
425 #endif /* CONFIG_PRAM */
427 /* round down to next 4 kB limit */
429 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
432 /* reserve memory for LCD display (always full pages) */
433 addr = lcd_setmem (addr);
435 #endif /* CONFIG_LCD */
437 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
438 /* reserve memory for video display (always full pages) */
439 addr = video_setmem (addr);
441 #endif /* CONFIG_VIDEO */
444 * reserve memory for U-Boot code, data & bss
445 * round down to next 4 kB limit
450 /* round down to next 64 kB limit so that IVPR stays aligned */
451 addr &= ~(65536 - 1);
454 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
456 #ifdef CONFIG_AMIGAONEG3SE
457 gd->relocaddr = addr;
461 * reserve memory for malloc() arena
463 addr_sp = addr - TOTAL_MALLOC_LEN;
464 debug ("Reserving %dk for malloc() at: %08lx\n",
465 TOTAL_MALLOC_LEN >> 10, addr_sp);
468 * (permanently) allocate a Board Info struct
469 * and a permanent copy of the "global" data
471 addr_sp -= sizeof (bd_t);
472 bd = (bd_t *) addr_sp;
474 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
475 sizeof (bd_t), addr_sp);
476 addr_sp -= sizeof (gd_t);
477 id = (gd_t *) addr_sp;
478 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
479 sizeof (gd_t), addr_sp);
482 * Finally, we set up a new (bigger) stack.
484 * Leave some safety gap for SP, force alignment on 16 byte boundary
485 * Clear initial stack frame
489 s = (ulong *)addr_sp;
493 debug ("Stack Pointer at: %08lx\n", addr_sp);
496 * Save local variables to board info struct
499 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
500 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
503 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
504 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
505 #elif defined CONFIG_MPC8220
506 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
507 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
509 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
510 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
513 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
514 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
515 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
517 #if defined(CONFIG_MPC5xxx)
518 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
520 #if defined(CONFIG_MPC83XX)
521 bd->bi_immrbar = CFG_IMMR;
523 #if defined(CONFIG_MPC8220)
524 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
525 bd->bi_inpfreq = gd->inp_clk;
526 bd->bi_pcifreq = gd->pci_clk;
527 bd->bi_vcofreq = gd->vco_clk;
528 bd->bi_pevfreq = gd->pev_clk;
529 bd->bi_flbfreq = gd->flb_clk;
531 /* store bootparam to sram (backward compatible), here? */
533 u32 *sram = (u32 *)CFG_SRAM_BASE;
534 *sram++ = gd->ram_size;
535 *sram++ = gd->bus_clk;
536 *sram++ = gd->inp_clk;
537 *sram++ = gd->cpu_clk;
538 *sram++ = gd->vco_clk;
539 *sram++ = gd->flb_clk;
540 *sram++ = 0xb8c3ba11; /* boot signature */
544 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
547 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
548 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
549 #if defined(CONFIG_CPM2)
550 bd->bi_cpmfreq = gd->cpm_clk;
551 bd->bi_brgfreq = gd->brg_clk;
552 bd->bi_sccfreq = gd->scc_clk;
553 bd->bi_vco = gd->vco_out;
554 #endif /* CONFIG_CPM2 */
555 #if defined(CONFIG_MPC5xxx)
556 bd->bi_ipbfreq = gd->ipb_clk;
557 bd->bi_pcifreq = gd->pci_clk;
558 #endif /* CONFIG_MPC5xxx */
559 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
562 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
563 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
565 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
566 bd->bi_plb_busfreq = gd->bus_clk;
567 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
568 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
569 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
570 bd->bi_pci_busfreq = get_PCI_freq ();
571 bd->bi_opbfreq = get_OPB_freq ();
572 #elif defined(CONFIG_XILINX_ML300)
573 bd->bi_pci_busfreq = get_PCI_freq ();
577 debug ("New Stack Pointer is: %08lx\n", addr_sp);
582 post_bootmode_init();
583 post_run (NULL, POST_ROM | post_bootmode_get(0));
588 memcpy (id, (void *)gd, sizeof (gd_t));
590 relocate_code (addr_sp, id, addr);
592 /* NOTREACHED - relocate_code() does not return */
595 /************************************************************************
597 * This is the next part if the initialization sequence: we are now
598 * running from RAM and have a "normal" C environment, i. e. global
599 * data can be written, BSS has been cleared, the stack size in not
600 * that critical any more, etc.
602 ************************************************************************
604 void board_init_r (gd_t *id, ulong dest_addr)
610 extern void malloc_bin_reloc (void);
611 #ifndef CFG_ENV_IS_NOWHERE
612 extern char * env_name_spec;
619 gd = id; /* initialize RAM version of global data */
622 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
623 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
625 #ifdef CONFIG_SERIAL_MULTI
629 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
633 #if defined(CONFIG_BOARD_EARLY_INIT_R)
634 board_early_init_r ();
637 monitor_flash_len = (ulong)&__init_end - dest_addr;
640 * We have to relocate the command table manually
642 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
644 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
646 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
647 cmdtp->name, (ulong) (cmdtp->cmd), addr);
650 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
652 addr = (ulong)(cmdtp->name) + gd->reloc_off;
653 cmdtp->name = (char *)addr;
656 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
657 cmdtp->usage = (char *)addr;
661 addr = (ulong)(cmdtp->help) + gd->reloc_off;
662 cmdtp->help = (char *)addr;
666 /* there are some other pointer constants we must deal with */
667 #ifndef CFG_ENV_IS_NOWHERE
668 env_name_spec += gd->reloc_off;
673 #ifdef CONFIG_LOGBUFFER
674 logbuff_init_ptrs ();
677 post_output_backlog ();
683 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
684 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
685 icache_enable (); /* it's time to enable the instruction cache */
688 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
689 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
692 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
694 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
695 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
700 #if defined(CONFIG_BAB7xx)
702 * Initialise the ISA bridge
704 initialise_w83c553f ();
707 asm ("sync ; isync");
710 * Setup trap handlers
712 trap_init (dest_addr);
714 #if !defined(CFG_NO_FLASH)
717 if ((flash_size = flash_init ()) > 0) {
718 # ifdef CFG_FLASH_CHECKSUM
719 print_size (flash_size, "");
721 * Compute and print flash CRC if flashchecksum is set to 'y'
723 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
725 s = getenv ("flashchecksum");
726 if (s && (*s == 'y')) {
727 printf (" CRC: %08lX",
728 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
732 # else /* !CFG_FLASH_CHECKSUM */
733 print_size (flash_size, "\n");
734 # endif /* CFG_FLASH_CHECKSUM */
740 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
741 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
743 #if defined(CFG_UPDATE_FLASH_SIZE)
744 /* Make a update of the Memctrl. */
745 update_flash_size (flash_size);
749 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
750 /* flash mapped at end of memory map */
751 bd->bi_flashoffset = TEXT_BASE + flash_size;
752 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
753 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
755 bd->bi_flashoffset = 0;
757 #else /* CFG_NO_FLASH */
759 bd->bi_flashsize = 0;
760 bd->bi_flashstart = 0;
761 bd->bi_flashoffset = 0;
762 #endif /* !CFG_NO_FLASH */
766 /* initialize higher level parts of CPU like time base and timers */
771 /* initialize malloc() area */
776 # if !defined(CFG_ENV_IS_IN_EEPROM)
782 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
785 nand_init(); /* go init the NAND */
788 /* relocate environment function pointers etc. */
792 * Fill in missing fields of bd_info.
793 * We do this here, where we have "normal" access to the
794 * environment; we used to do this still running from ROM,
795 * where had to use getenv_r(), which can be pretty slow when
796 * the environment is in EEPROM.
799 #if defined(CFG_EXTBDINFO)
800 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
801 #if defined(CONFIG_I2CFAST)
803 * set bi_iic_fast for linux taking environment variable
804 * "i2cfast" into account
807 char *s = getenv ("i2cfast");
808 if (s && ((*s == 'y') || (*s == 'Y'))) {
809 bd->bi_iic_fast[0] = 1;
810 bd->bi_iic_fast[1] = 1;
812 bd->bi_iic_fast[0] = 0;
813 bd->bi_iic_fast[1] = 0;
817 bd->bi_iic_fast[0] = 0;
818 bd->bi_iic_fast[1] = 0;
819 #endif /* CONFIG_I2CFAST */
820 #endif /* CONFIG_405GP, CONFIG_405EP */
821 #endif /* CFG_EXTBDINFO */
823 #if defined(CONFIG_SOLIDCARD3)
826 s = getenv ("ethaddr");
827 #if defined (CONFIG_MBX) || \
828 defined (CONFIG_RPXCLASSIC) || \
829 defined(CONFIG_IAD210) || \
832 board_get_enetaddr (bd->bi_enetaddr);
835 for (i = 0; i < 6; ++i) {
836 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
838 s = (*e) ? e + 1 : e;
841 if ((gd->board_type >> 16) == 2)
842 bd->bi_ethspeed = gd->board_type & 0xFFFF;
844 bd->bi_ethspeed = 0xFFFF;
848 load_sernum_ethaddr ();
851 #ifdef CONFIG_HAS_ETH1
852 /* handle the 2nd ethernet address */
854 s = getenv ("eth1addr");
856 for (i = 0; i < 6; ++i) {
857 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
859 s = (*e) ? e + 1 : e;
862 #ifdef CONFIG_HAS_ETH2
863 /* handle the 3rd ethernet address */
865 s = getenv ("eth2addr");
866 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
868 board_get_enetaddr(bd->bi_enet2addr);
871 for (i = 0; i < 6; ++i) {
872 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
874 s = (*e) ? e + 1 : e;
878 #ifdef CONFIG_HAS_ETH3
879 /* handle 4th ethernet address */
880 s = getenv("eth3addr");
881 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
883 board_get_enetaddr(bd->bi_enet3addr);
886 for (i = 0; i < 6; ++i) {
887 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
889 s = (*e) ? e + 1 : e;
894 mac_read_from_eeprom();
897 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
898 defined(CONFIG_TQM8272) || \
899 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
900 load_sernum_ethaddr ();
903 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
907 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
909 * Do pci configuration
914 /** leave this here (after malloc(), environment and PCI are working) **/
915 /* Initialize devices */
918 /* Initialize the jump table for applications */
921 /* Initialize the console (after the relocation and devices init) */
924 #if defined(CONFIG_CCM) || \
925 defined(CONFIG_COGENT) || \
926 defined(CONFIG_CPCI405) || \
927 defined(CONFIG_EVB64260) || \
928 defined(CONFIG_KUP4K) || \
929 defined(CONFIG_KUP4X) || \
930 defined(CONFIG_LWMON) || \
931 defined(CONFIG_PCU_E) || \
932 defined(CONFIG_SOLIDCARD3) || \
933 defined(CONFIG_W7O) || \
934 defined(CONFIG_MISC_INIT_R)
935 /* miscellaneous platform dependent initialisations */
940 if (bd->bi_ethspeed != 0xFFFF)
941 hermes_start_lxt980 ((int) bd->bi_ethspeed);
944 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
950 debug ("U-Boot relocated to %08lx\n", dest_addr);
957 /* Must happen after interrupts are initialized since
958 * an irq handler gets installed
960 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
961 serial_buffered_init();
964 #ifdef CONFIG_STATUS_LED
965 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
972 /* Initialize from environment */
973 if ((s = getenv ("loadaddr")) != NULL) {
974 load_addr = simple_strtoul (s, NULL, 16);
976 #if (CONFIG_COMMANDS & CFG_CMD_NET)
977 if ((s = getenv ("bootfile")) != NULL) {
978 copy_filename (BootFile, s, sizeof (BootFile));
980 #endif /* CFG_CMD_NET */
984 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
990 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
996 #if (CONFIG_COMMANDS & CFG_CMD_NET)
997 #if defined(CONFIG_NET_MULTI)
1001 eth_initialize (bd);
1004 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
1005 defined(CONFIG_CCM) || \
1006 defined(CONFIG_ELPT860) || \
1007 defined(CONFIG_EP8260) || \
1008 defined(CONFIG_IP860) || \
1009 defined(CONFIG_IVML24) || \
1010 defined(CONFIG_IVMS8) || \
1011 defined(CONFIG_MPC8260ADS) || \
1012 defined(CONFIG_MPC8266ADS) || \
1013 defined(CONFIG_MPC8560ADS) || \
1014 defined(CONFIG_PCU_E) || \
1015 defined(CONFIG_RPXSUPER) || \
1016 defined(CONFIG_STXGP3) || \
1017 defined(CONFIG_SPD823TS) || \
1018 defined(CONFIG_RESET_PHY_R) )
1021 debug ("Reset Ethernet PHY\n");
1026 post_run (NULL, POST_RAM | post_bootmode_get(0));
1029 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1035 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1037 # ifdef CONFIG_IDE_8xx_PCCARD
1042 #if defined(CONFIG_START_IDE)
1043 if (board_start_ide())
1048 #endif /* CFG_CMD_IDE */
1050 #ifdef CONFIG_LAST_STAGE_INIT
1053 * Some parts can be only initialized if all others (like
1054 * Interrupts) are up and running (i.e. the PC-style ISA
1060 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1065 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1067 * Export available size of memory for Linux,
1068 * taking into account the protected RAM at top of memory
1076 if ((s = getenv ("pram")) != NULL) {
1077 pram = simple_strtoul (s, NULL, 10);
1084 #ifdef CONFIG_LOGBUFFER
1085 /* Also take the logbuffer into account (pram is in kB) */
1086 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1088 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1089 setenv ("mem", (char *)memsz);
1093 #ifdef CONFIG_PS2KBD
1098 #ifdef CONFIG_MODEM_SUPPORT
1100 extern int do_mdm_init;
1101 do_mdm_init = gd->do_mdm_init;
1105 /* Initialization complete - start the monitor */
1107 /* main_loop() can return to retry autoboot, if so just run it again. */
1113 /* NOTREACHED - no way out of command loop except booting */
1118 puts ("### ERROR ### Please RESET the board ###\n");
1119 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1120 show_boot_progress(-30);
1125 #ifdef CONFIG_MODEM_SUPPORT
1126 /* called from main loop (common/main.c) */
1127 /* 'inline' - We have to do it fast */
1128 static inline void mdm_readline(char *buf, int bufsiz)
1139 /* dbg("(%c)", c); */
1151 return; /* sanity check */
1160 extern void dbg(const char *fmt, ...);
1166 extern char console_buffer[];
1167 extern void enable_putc(void);
1168 extern int hwflow_onoff(int);
1170 enable_putc(); /* enable serial_putc() */
1172 #ifdef CONFIG_HWFLOW
1173 init_str = getenv("mdm_flow_control");
1174 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1181 sprintf(env_str, "mdm_init%d", i);
1182 if ((init_str = getenv(env_str)) != NULL) {
1183 serial_puts(init_str);
1186 mdm_readline(console_buffer, CFG_CBSIZE);
1187 dbg("ini%d: [%s]", i, console_buffer);
1189 if ((strcmp(console_buffer, "OK") == 0) ||
1190 (strcmp(console_buffer, "ERROR") == 0)) {
1191 dbg("ini%d: cmd done", i);
1193 } else /* in case we are originating call ... */
1194 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1195 dbg("ini%d: connect", i);
1200 break; /* no init string - stop modem init */
1207 /* final stage - wait for connect */
1208 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1209 message from modem */
1210 mdm_readline(console_buffer, CFG_CBSIZE);
1211 dbg("ini_f: [%s]", console_buffer);
1212 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1213 dbg("ini_f: connected");
1223 #if 0 /* We could use plain global data, but the resulting code is bigger */
1225 * Pointer to initial global data area
1227 * Here we initialize it.
1229 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1230 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1231 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1234 /************************************************************************/