2 * (C) Copyright 2000-2004
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 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
78 #if defined(CONFIG_HARD_I2C) || \
79 defined(CONFIG_SOFT_I2C)
82 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
83 void nand_init (void);
86 static char *failed = "*** failed ***\n";
88 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
89 extern flash_info_t flash_info[];
92 #include <environment.h>
94 #if defined(CFG_ENV_IS_EMBEDDED)
95 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
96 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
97 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
98 defined(CFG_ENV_IS_IN_NVRAM)
99 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
101 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
104 extern ulong __init_end;
106 ulong monitor_flash_len;
108 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
109 #include <bedbug/type.h>
113 * Begin and End of memory area for malloc(), and current "brk"
115 static ulong mem_malloc_start = 0;
116 static ulong mem_malloc_end = 0;
117 static ulong mem_malloc_brk = 0;
119 /************************************************************************
121 ************************************************************************
125 * The Malloc area is immediately below the monitor copy in DRAM
127 static void mem_malloc_init (void)
129 DECLARE_GLOBAL_DATA_PTR;
131 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
133 mem_malloc_end = dest_addr;
134 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
135 mem_malloc_brk = mem_malloc_start;
137 memset ((void *) mem_malloc_start,
139 mem_malloc_end - mem_malloc_start);
142 void *sbrk (ptrdiff_t increment)
144 ulong old = mem_malloc_brk;
145 ulong new = old + increment;
147 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
150 mem_malloc_brk = new;
151 return ((void *) old);
154 char *strmhz (char *buf, long hz)
160 l = sprintf (buf, "%ld", n);
161 m = (hz % 1000000L) / 1000L;
163 sprintf (buf + l, ".%03ld", m);
168 * All attempts to come up with a "common" initialization sequence
169 * that works for all boards and architectures failed: some of the
170 * requirements are just _too_ different. To get rid of the resulting
171 * mess of board dependend #ifdef'ed code we now make the whole
172 * initialization sequence configurable to the user.
174 * The requirements for any new initalization function is simple: it
175 * receives a pointer to the "global data" structure as it's only
176 * argument, and returns an integer return code, where 0 means
177 * "continue" and != 0 means "fatal error, hang the system".
179 typedef int (init_fnc_t) (void);
181 /************************************************************************
183 ************************************************************************
184 * Some of this code should be moved into the core functions,
185 * but let's get it working (again) first...
188 static int init_baudrate (void)
190 DECLARE_GLOBAL_DATA_PTR;
192 uchar tmp[64]; /* long enough for environment variables */
193 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
195 gd->baudrate = (i > 0)
196 ? (int) simple_strtoul (tmp, NULL, 10)
201 /***********************************************************************/
203 static int init_func_ram (void)
205 DECLARE_GLOBAL_DATA_PTR;
207 #ifdef CONFIG_BOARD_TYPES
208 int board_type = gd->board_type;
210 int board_type = 0; /* use dummy arg */
214 if ((gd->ram_size = initdram (board_type)) > 0) {
215 print_size (gd->ram_size, "\n");
222 /***********************************************************************/
224 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
225 static int init_func_i2c (void)
228 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
234 /***********************************************************************/
236 #if defined(CONFIG_WATCHDOG)
237 static int init_func_watchdog_init (void)
239 puts (" Watchdog enabled\n");
243 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
245 static int init_func_watchdog_reset (void)
250 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
252 # define INIT_FUNC_WATCHDOG_INIT /* undef */
253 # define INIT_FUNC_WATCHDOG_RESET /* undef */
254 #endif /* CONFIG_WATCHDOG */
256 /************************************************************************
257 * Initialization sequence *
258 ************************************************************************
261 init_fnc_t *init_sequence[] = {
263 #if defined(CONFIG_BOARD_EARLY_INIT_F)
267 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
268 get_clocks, /* get CPU and bus clocks (etc.) */
269 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
270 adjust_sdram_tbs_8xx,
274 #ifdef CFG_ALLOC_DPRAM
275 #if !defined(CONFIG_CPM2)
279 #if defined(CONFIG_BOARD_POSTCLK_INIT)
283 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
284 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
285 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
292 #if defined(CONFIG_8260)
295 #endif /* CONFIG_8260 */
297 #if defined(CONFIG_MPC83XX)
302 #if defined(CONFIG_MPC5xxx)
304 #endif /* CONFIG_MPC5xxx */
305 #if defined(CONFIG_MPC8220)
309 INIT_FUNC_WATCHDOG_INIT
310 #if defined(CONFIG_MISC_INIT_F)
313 INIT_FUNC_WATCHDOG_RESET
314 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
317 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
323 INIT_FUNC_WATCHDOG_RESET
325 #if defined(CFG_DRAM_TEST)
327 #endif /* CFG_DRAM_TEST */
328 INIT_FUNC_WATCHDOG_RESET
330 NULL, /* Terminate this list */
333 /************************************************************************
335 * This is the first part of the initialization sequence that is
336 * implemented in C, but still running from ROM.
338 * The main purpose is to provide a (serial) console interface as
339 * soon as possible (so we can see any error messages), and to
340 * initialize the RAM so that we can relocate the monitor code to
343 * Be aware of the restrictions: global data is read-only, BSS is not
344 * initialized, and stack space is limited to a few kB.
346 ************************************************************************
349 void board_init_f (ulong bootflag)
351 DECLARE_GLOBAL_DATA_PTR;
354 ulong len, addr, addr_sp;
357 init_fnc_t **init_fnc_ptr;
361 uchar tmp[64]; /* long enough for environment variables */
364 /* Pointer is writable since we allocated a register for it */
365 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
366 /* compiler optimization barrier needed for GCC >= 3.4 */
367 __asm__ __volatile__("": : :"memory");
369 #if !defined(CONFIG_CPM2)
370 /* Clear initial global data */
371 memset ((void *) gd, 0, sizeof (gd_t));
374 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
375 if ((*init_fnc_ptr) () != 0) {
381 * Now that we have DRAM mapped and working, we can
382 * relocate the code and continue running from DRAM.
384 * Reserve memory at end of RAM for (top down in that order):
385 * - kernel log buffer
389 * - board info struct
391 len = (ulong)&_end - CFG_MONITOR_BASE;
393 #ifndef CONFIG_VERY_BIG_RAM
394 addr = CFG_SDRAM_BASE + gd->ram_size;
396 /* only allow stack below 256M */
397 addr = CFG_SDRAM_BASE +
398 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
401 #ifdef CONFIG_LOGBUFFER
402 /* reserve kernel log buffer */
403 addr -= (LOGBUFF_RESERVE);
404 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
409 * reserve protected RAM
411 i = getenv_r ("pram", tmp, sizeof (tmp));
412 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
413 addr -= (reg << 10); /* size is in kB */
414 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
415 #endif /* CONFIG_PRAM */
417 /* round down to next 4 kB limit */
419 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
422 /* reserve memory for LCD display (always full pages) */
423 addr = lcd_setmem (addr);
425 #endif /* CONFIG_LCD */
427 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
428 /* reserve memory for video display (always full pages) */
429 addr = video_setmem (addr);
431 #endif /* CONFIG_VIDEO */
434 * reserve memory for U-Boot code, data & bss
435 * round down to next 4 kB limit
440 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
442 #ifdef CONFIG_AMIGAONEG3SE
443 gd->relocaddr = addr;
447 * reserve memory for malloc() arena
449 addr_sp = addr - TOTAL_MALLOC_LEN;
450 debug ("Reserving %dk for malloc() at: %08lx\n",
451 TOTAL_MALLOC_LEN >> 10, addr_sp);
454 * (permanently) allocate a Board Info struct
455 * and a permanent copy of the "global" data
457 addr_sp -= sizeof (bd_t);
458 bd = (bd_t *) addr_sp;
460 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
461 sizeof (bd_t), addr_sp);
462 addr_sp -= sizeof (gd_t);
463 id = (gd_t *) addr_sp;
464 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
465 sizeof (gd_t), addr_sp);
468 * Finally, we set up a new (bigger) stack.
470 * Leave some safety gap for SP, force alignment on 16 byte boundary
471 * Clear initial stack frame
475 s = (ulong *)addr_sp;
479 debug ("Stack Pointer at: %08lx\n", addr_sp);
482 * Save local variables to board info struct
485 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
486 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
489 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
490 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
491 #elif defined CONFIG_MPC8220
492 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
493 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
495 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
496 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
499 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
501 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
503 #if defined(CONFIG_MPC5xxx)
504 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
506 #if defined(CONFIG_MPC83XX)
507 bd->bi_immrbar = CFG_IMMRBAR;
509 #if defined(CONFIG_MPC8220)
510 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
511 bd->bi_inpfreq = gd->inp_clk;
512 bd->bi_pcifreq = gd->pci_clk;
513 bd->bi_vcofreq = gd->vco_clk;
514 bd->bi_pevfreq = gd->pev_clk;
515 bd->bi_flbfreq = gd->flb_clk;
517 /* store bootparam to sram (backward compatible), here? */
519 u32 *sram = (u32 *)CFG_SRAM_BASE;
520 *sram++ = gd->ram_size;
521 *sram++ = gd->bus_clk;
522 *sram++ = gd->inp_clk;
523 *sram++ = gd->cpu_clk;
524 *sram++ = gd->vco_clk;
525 *sram++ = gd->flb_clk;
526 *sram++ = 0xb8c3ba11; /* boot signature */
530 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
533 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
534 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
535 #if defined(CONFIG_CPM2)
536 bd->bi_cpmfreq = gd->cpm_clk;
537 bd->bi_brgfreq = gd->brg_clk;
538 bd->bi_sccfreq = gd->scc_clk;
539 bd->bi_vco = gd->vco_out;
540 #endif /* CONFIG_CPM2 */
541 #if defined(CONFIG_MPC5xxx)
542 bd->bi_ipbfreq = gd->ipb_clk;
543 bd->bi_pcifreq = gd->pci_clk;
544 #endif /* CONFIG_MPC5xxx */
545 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
548 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
549 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
551 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
552 bd->bi_plb_busfreq = gd->bus_clk;
553 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
554 bd->bi_pci_busfreq = get_PCI_freq ();
555 bd->bi_opbfreq = get_OPB_freq ();
556 #elif defined(CONFIG_XILINX_ML300)
557 bd->bi_pci_busfreq = get_PCI_freq ();
561 debug ("New Stack Pointer is: %08lx\n", addr_sp);
566 post_bootmode_init();
567 post_run (NULL, POST_ROM | post_bootmode_get(0));
572 memcpy (id, (void *)gd, sizeof (gd_t));
574 relocate_code (addr_sp, id, addr);
576 /* NOTREACHED - relocate_code() does not return */
580 /************************************************************************
582 * This is the next part if the initialization sequence: we are now
583 * running from RAM and have a "normal" C environment, i. e. global
584 * data can be written, BSS has been cleared, the stack size in not
585 * that critical any more, etc.
587 ************************************************************************
590 void board_init_r (gd_t *id, ulong dest_addr)
592 DECLARE_GLOBAL_DATA_PTR;
597 extern void malloc_bin_reloc (void);
598 #ifndef CFG_ENV_IS_NOWHERE
599 extern char * env_name_spec;
606 gd = id; /* initialize RAM version of global data */
609 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
611 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
615 #if defined(CONFIG_BOARD_EARLY_INIT_R)
616 board_early_init_r ();
619 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
621 monitor_flash_len = (ulong)&__init_end - dest_addr;
623 #ifdef CONFIG_SERIAL_MULTI
628 * We have to relocate the command table manually
630 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
632 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
634 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
635 cmdtp->name, (ulong) (cmdtp->cmd), addr);
638 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
640 addr = (ulong)(cmdtp->name) + gd->reloc_off;
641 cmdtp->name = (char *)addr;
644 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
645 cmdtp->usage = (char *)addr;
649 addr = (ulong)(cmdtp->help) + gd->reloc_off;
650 cmdtp->help = (char *)addr;
654 /* there are some other pointer constants we must deal with */
655 #ifndef CFG_ENV_IS_NOWHERE
656 env_name_spec += gd->reloc_off;
661 #ifdef CONFIG_LOGBUFFER
662 logbuff_init_ptrs ();
665 post_output_backlog ();
671 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
672 icache_enable (); /* it's time to enable the instruction cache */
675 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
676 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
679 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
681 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
682 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
687 #if defined(CONFIG_BAB7xx)
689 * Initialise the ISA bridge
691 initialise_w83c553f ();
694 asm ("sync ; isync");
697 * Setup trap handlers
699 trap_init (dest_addr);
701 #if !defined(CFG_NO_FLASH)
704 if ((flash_size = flash_init ()) > 0) {
705 # ifdef CFG_FLASH_CHECKSUM
706 print_size (flash_size, "");
708 * Compute and print flash CRC if flashchecksum is set to 'y'
710 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
712 s = getenv ("flashchecksum");
713 if (s && (*s == 'y')) {
714 printf (" CRC: %08lX",
715 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
719 # else /* !CFG_FLASH_CHECKSUM */
720 print_size (flash_size, "\n");
721 # endif /* CFG_FLASH_CHECKSUM */
727 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
728 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
729 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
730 /* flash mapped at end of memory map */
731 bd->bi_flashoffset = TEXT_BASE + flash_size;
732 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
733 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
735 bd->bi_flashoffset = 0;
737 #else /* CFG_NO_FLASH */
739 bd->bi_flashsize = 0;
740 bd->bi_flashstart = 0;
741 bd->bi_flashoffset = 0;
742 #endif /* !CFG_NO_FLASH */
746 /* initialize higher level parts of CPU like time base and timers */
751 /* initialize malloc() area */
756 # if !defined(CFG_ENV_IS_IN_EEPROM)
762 /* relocate environment function pointers etc. */
766 * Fill in missing fields of bd_info.
767 * We do this here, where we have "normal" access to the
768 * environment; we used to do this still running from ROM,
769 * where had to use getenv_r(), which can be pretty slow when
770 * the environment is in EEPROM.
773 #if defined(CFG_EXTBDINFO)
774 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
775 #if defined(CONFIG_I2CFAST)
777 * set bi_iic_fast for linux taking environment variable
778 * "i2cfast" into account
781 char *s = getenv ("i2cfast");
782 if (s && ((*s == 'y') || (*s == 'Y'))) {
783 bd->bi_iic_fast[0] = 1;
784 bd->bi_iic_fast[1] = 1;
786 bd->bi_iic_fast[0] = 0;
787 bd->bi_iic_fast[1] = 0;
791 bd->bi_iic_fast[0] = 0;
792 bd->bi_iic_fast[1] = 0;
793 #endif /* CONFIG_I2CFAST */
794 #endif /* CONFIG_405GP, CONFIG_405EP */
795 #endif /* CFG_EXTBDINFO */
797 s = getenv ("ethaddr");
798 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
800 board_get_enetaddr (bd->bi_enetaddr);
803 for (i = 0; i < 6; ++i) {
804 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
806 s = (*e) ? e + 1 : e;
809 if ((gd->board_type >> 16) == 2)
810 bd->bi_ethspeed = gd->board_type & 0xFFFF;
812 bd->bi_ethspeed = 0xFFFF;
816 load_sernum_ethaddr ();
819 #ifdef CONFIG_HAS_ETH1
820 /* handle the 2nd ethernet address */
822 s = getenv ("eth1addr");
824 for (i = 0; i < 6; ++i) {
825 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
827 s = (*e) ? e + 1 : e;
830 #ifdef CONFIG_HAS_ETH2
831 /* handle the 3rd ethernet address */
833 s = getenv ("eth2addr");
834 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
836 board_get_enetaddr(bd->bi_enet2addr);
839 for (i = 0; i < 6; ++i) {
840 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
842 s = (*e) ? e + 1 : e;
846 #ifdef CONFIG_HAS_ETH3
847 /* handle 4th ethernet address */
848 s = getenv("eth3addr");
849 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
851 board_get_enetaddr(bd->bi_enet3addr);
854 for (i = 0; i < 6; ++i) {
855 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
857 s = (*e) ? e + 1 : e;
861 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
862 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
863 load_sernum_ethaddr ();
866 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
870 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
872 * Do pci configuration
877 /** leave this here (after malloc(), environment and PCI are working) **/
878 /* Initialize devices */
881 /* Initialize the jump table for applications */
884 /* Initialize the console (after the relocation and devices init) */
887 #if defined(CONFIG_CCM) || \
888 defined(CONFIG_COGENT) || \
889 defined(CONFIG_CPCI405) || \
890 defined(CONFIG_EVB64260) || \
891 defined(CONFIG_KUP4K) || \
892 defined(CONFIG_KUP4X) || \
893 defined(CONFIG_LWMON) || \
894 defined(CONFIG_PCU_E) || \
895 defined(CONFIG_W7O) || \
896 defined(CONFIG_MISC_INIT_R)
897 /* miscellaneous platform dependent initialisations */
902 if (bd->bi_ethspeed != 0xFFFF)
903 hermes_start_lxt980 ((int) bd->bi_ethspeed);
906 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
907 defined(CONFIG_CCM) || \
908 defined(CONFIG_ELPT860) || \
909 defined(CONFIG_EP8260) || \
910 defined(CONFIG_IP860) || \
911 defined(CONFIG_IVML24) || \
912 defined(CONFIG_IVMS8) || \
913 defined(CONFIG_MPC8260ADS) || \
914 defined(CONFIG_MPC8266ADS) || \
915 defined(CONFIG_MPC8560ADS) || \
916 defined(CONFIG_PCU_E) || \
917 defined(CONFIG_RPXSUPER) || \
918 defined(CONFIG_STXGP3) || \
919 defined(CONFIG_SPD823TS) || \
920 defined(CONFIG_RESET_PHY_R) )
923 debug ("Reset Ethernet PHY\n");
927 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
933 debug ("U-Boot relocated to %08lx\n", dest_addr);
940 /* Must happen after interrupts are initialized since
941 * an irq handler gets installed
943 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
944 serial_buffered_init();
947 #ifdef CONFIG_STATUS_LED
948 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
955 /* Initialize from environment */
956 if ((s = getenv ("loadaddr")) != NULL) {
957 load_addr = simple_strtoul (s, NULL, 16);
959 #if (CONFIG_COMMANDS & CFG_CMD_NET)
960 if ((s = getenv ("bootfile")) != NULL) {
961 copy_filename (BootFile, s, sizeof (BootFile));
963 #endif /* CFG_CMD_NET */
967 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
973 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
979 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
982 nand_init(); /* go init the NAND */
985 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
992 post_run (NULL, POST_RAM | post_bootmode_get(0));
995 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1001 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1003 # ifdef CONFIG_IDE_8xx_PCCARD
1009 #endif /* CFG_CMD_IDE */
1011 #ifdef CONFIG_LAST_STAGE_INIT
1014 * Some parts can be only initialized if all others (like
1015 * Interrupts) are up and running (i.e. the PC-style ISA
1021 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1026 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1028 * Export available size of memory for Linux,
1029 * taking into account the protected RAM at top of memory
1037 if ((s = getenv ("pram")) != NULL) {
1038 pram = simple_strtoul (s, NULL, 10);
1045 #ifdef CONFIG_LOGBUFFER
1046 /* Also take the logbuffer into account (pram is in kB) */
1047 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1049 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1050 setenv ("mem", memsz);
1054 #ifdef CONFIG_PS2KBD
1059 #ifdef CONFIG_MODEM_SUPPORT
1061 extern int do_mdm_init;
1062 do_mdm_init = gd->do_mdm_init;
1066 /* Initialization complete - start the monitor */
1068 /* main_loop() can return to retry autoboot, if so just run it again. */
1074 /* NOTREACHED - no way out of command loop except booting */
1079 puts ("### ERROR ### Please RESET the board ###\n");
1080 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1081 show_boot_progress(-30);
1086 #ifdef CONFIG_MODEM_SUPPORT
1087 /* called from main loop (common/main.c) */
1088 extern void dbg(const char *fmt, ...);
1094 extern char console_buffer[];
1095 static inline void mdm_readline(char *buf, int bufsiz);
1096 extern void enable_putc(void);
1097 extern int hwflow_onoff(int);
1099 enable_putc(); /* enable serial_putc() */
1101 #ifdef CONFIG_HWFLOW
1102 init_str = getenv("mdm_flow_control");
1103 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1110 sprintf(env_str, "mdm_init%d", i);
1111 if ((init_str = getenv(env_str)) != NULL) {
1112 serial_puts(init_str);
1115 mdm_readline(console_buffer, CFG_CBSIZE);
1116 dbg("ini%d: [%s]", i, console_buffer);
1118 if ((strcmp(console_buffer, "OK") == 0) ||
1119 (strcmp(console_buffer, "ERROR") == 0)) {
1120 dbg("ini%d: cmd done", i);
1122 } else /* in case we are originating call ... */
1123 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1124 dbg("ini%d: connect", i);
1129 break; /* no init string - stop modem init */
1136 /* final stage - wait for connect */
1137 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1138 message from modem */
1139 mdm_readline(console_buffer, CFG_CBSIZE);
1140 dbg("ini_f: [%s]", console_buffer);
1141 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1142 dbg("ini_f: connected");
1150 /* 'inline' - We have to do it fast */
1151 static inline void mdm_readline(char *buf, int bufsiz)
1162 /* dbg("(%c)", c); */
1174 return; /* sanity check */
1184 #if 0 /* We could use plain global data, but the resulting code is bigger */
1186 * Pointer to initial global data area
1188 * Here we initialize it.
1190 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1191 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1192 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1195 /************************************************************************/