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_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)
96 static char *failed = "*** failed ***\n";
98 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
99 extern flash_info_t flash_info[];
102 #if defined(CONFIG_START_IDE)
103 extern int board_start_ide(void);
105 #include <environment.h>
107 DECLARE_GLOBAL_DATA_PTR;
109 #if defined(CONFIG_ENV_IS_EMBEDDED)
110 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
111 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CFG_MONITOR_BASE) || \
112 (CONFIG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
113 defined(CONFIG_ENV_IS_IN_NVRAM)
114 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CONFIG_ENV_SIZE)
116 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
119 #if !defined(CFG_MEM_TOP_HIDE)
120 #define CFG_MEM_TOP_HIDE 0
123 extern ulong __init_end;
125 ulong monitor_flash_len;
127 #if defined(CONFIG_CMD_BEDBUG)
128 #include <bedbug/type.h>
132 * Begin and End of memory area for malloc(), and current "brk"
134 static ulong mem_malloc_start = 0;
135 static ulong mem_malloc_end = 0;
136 static ulong mem_malloc_brk = 0;
138 /************************************************************************
140 ************************************************************************
144 * The Malloc area is immediately below the monitor copy in DRAM
146 static void mem_malloc_init (void)
148 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
149 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
151 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
152 mem_malloc_brk = mem_malloc_start;
154 memset ((void *) mem_malloc_start,
156 mem_malloc_end - mem_malloc_start);
159 void *sbrk (ptrdiff_t increment)
161 ulong old = mem_malloc_brk;
162 ulong new = old + increment;
164 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
167 mem_malloc_brk = new;
168 return ((void *) old);
172 * All attempts to come up with a "common" initialization sequence
173 * that works for all boards and architectures failed: some of the
174 * requirements are just _too_ different. To get rid of the resulting
175 * mess of board dependend #ifdef'ed code we now make the whole
176 * initialization sequence configurable to the user.
178 * The requirements for any new initalization function is simple: it
179 * receives a pointer to the "global data" structure as it's only
180 * argument, and returns an integer return code, where 0 means
181 * "continue" and != 0 means "fatal error, hang the system".
183 typedef int (init_fnc_t) (void);
185 /************************************************************************
187 ************************************************************************
188 * Some of this code should be moved into the core functions,
189 * but let's get it working (again) first...
192 static int init_baudrate (void)
194 char tmp[64]; /* long enough for environment variables */
195 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
197 gd->baudrate = (i > 0)
198 ? (int) simple_strtoul (tmp, NULL, 10)
203 /***********************************************************************/
205 void __board_add_ram_info(int use_default)
207 /* please define platform specific board_add_ram_info() */
209 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
212 static int init_func_ram (void)
214 #ifdef CONFIG_BOARD_TYPES
215 int board_type = gd->board_type;
217 int board_type = 0; /* use dummy arg */
221 if ((gd->ram_size = initdram (board_type)) > 0) {
222 print_size (gd->ram_size, "");
223 board_add_ram_info(0);
231 /***********************************************************************/
233 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
234 static int init_func_i2c (void)
237 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
243 #if defined(CONFIG_HARD_SPI)
244 static int init_func_spi (void)
253 /***********************************************************************/
255 #if defined(CONFIG_WATCHDOG)
256 static int init_func_watchdog_init (void)
258 puts (" Watchdog enabled\n");
262 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
264 static int init_func_watchdog_reset (void)
269 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
271 # define INIT_FUNC_WATCHDOG_INIT /* undef */
272 # define INIT_FUNC_WATCHDOG_RESET /* undef */
273 #endif /* CONFIG_WATCHDOG */
275 /************************************************************************
276 * Initialization sequence *
277 ************************************************************************
280 init_fnc_t *init_sequence[] = {
282 #if defined(CONFIG_BOARD_EARLY_INIT_F)
286 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
287 get_clocks, /* get CPU and bus clocks (etc.) */
288 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
289 && !defined(CONFIG_TQM885D)
290 adjust_sdram_tbs_8xx,
294 #ifdef CFG_ALLOC_DPRAM
295 #if !defined(CONFIG_CPM2)
299 #if defined(CONFIG_BOARD_POSTCLK_INIT)
303 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
304 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
305 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
312 #if defined(CONFIG_8260)
315 #endif /* CONFIG_8260 */
316 #if defined(CONFIG_MPC83XX)
320 #if defined(CONFIG_MPC5xxx)
322 #endif /* CONFIG_MPC5xxx */
323 #if defined(CONFIG_MPC8220)
327 INIT_FUNC_WATCHDOG_INIT
328 #if defined(CONFIG_MISC_INIT_F)
331 INIT_FUNC_WATCHDOG_RESET
332 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
335 #if defined(CONFIG_HARD_SPI)
338 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
344 INIT_FUNC_WATCHDOG_RESET
346 #if defined(CFG_DRAM_TEST)
348 #endif /* CFG_DRAM_TEST */
349 INIT_FUNC_WATCHDOG_RESET
351 NULL, /* Terminate this list */
354 #ifndef CONFIG_MAX_MEM_MAPPED
355 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
357 ulong get_effective_memsize(void)
359 #ifndef CONFIG_VERY_BIG_RAM
362 /* limit stack to what we can reasonable map */
363 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
364 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
368 /************************************************************************
370 * This is the first part of the initialization sequence that is
371 * implemented in C, but still running from ROM.
373 * The main purpose is to provide a (serial) console interface as
374 * soon as possible (so we can see any error messages), and to
375 * initialize the RAM so that we can relocate the monitor code to
378 * Be aware of the restrictions: global data is read-only, BSS is not
379 * initialized, and stack space is limited to a few kB.
381 ************************************************************************
384 #ifdef CONFIG_LOGBUFFER
385 unsigned long logbuffer_base(void)
387 return CFG_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
391 void board_init_f (ulong bootflag)
394 ulong len, addr, addr_sp;
397 init_fnc_t **init_fnc_ptr;
401 uchar tmp[64]; /* long enough for environment variables */
404 /* Pointer is writable since we allocated a register for it */
405 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
406 /* compiler optimization barrier needed for GCC >= 3.4 */
407 __asm__ __volatile__("": : :"memory");
409 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
410 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
411 /* Clear initial global data */
412 memset ((void *) gd, 0, sizeof (gd_t));
415 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
416 if ((*init_fnc_ptr) () != 0) {
422 * Now that we have DRAM mapped and working, we can
423 * relocate the code and continue running from DRAM.
425 * Reserve memory at end of RAM for (top down in that order):
426 * - area that won't get touched by U-Boot and Linux (optional)
427 * - kernel log buffer
431 * - board info struct
433 len = (ulong)&_end - CFG_MONITOR_BASE;
436 * Subtract specified amount of memory to hide so that it won't
437 * get "touched" at all by U-Boot. By fixing up gd->ram_size
438 * the Linux kernel should now get passed the now "corrected"
439 * memory size and won't touch it either. This should work
440 * for arch/ppc and arch/powerpc. Only Linux board ports in
441 * arch/powerpc with bootwrapper support, that recalculate the
442 * memory size from the SDRAM controller setup will have to
445 gd->ram_size -= CFG_MEM_TOP_HIDE;
447 addr = CFG_SDRAM_BASE + get_effective_memsize();
449 #ifdef CONFIG_LOGBUFFER
450 #ifndef CONFIG_ALT_LB_ADDR
451 /* reserve kernel log buffer */
452 addr -= (LOGBUFF_RESERVE);
453 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
459 * reserve protected RAM
461 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
462 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
463 addr -= (reg << 10); /* size is in kB */
464 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
465 #endif /* CONFIG_PRAM */
467 /* round down to next 4 kB limit */
469 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
472 /* reserve memory for LCD display (always full pages) */
473 addr = lcd_setmem (addr);
475 #endif /* CONFIG_LCD */
477 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
478 /* reserve memory for video display (always full pages) */
479 addr = video_setmem (addr);
481 #endif /* CONFIG_VIDEO */
484 * reserve memory for U-Boot code, data & bss
485 * round down to next 4 kB limit
490 /* round down to next 64 kB limit so that IVPR stays aligned */
491 addr &= ~(65536 - 1);
494 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
496 #ifdef CONFIG_AMIGAONEG3SE
497 gd->relocaddr = addr;
501 * reserve memory for malloc() arena
503 addr_sp = addr - TOTAL_MALLOC_LEN;
504 debug ("Reserving %dk for malloc() at: %08lx\n",
505 TOTAL_MALLOC_LEN >> 10, addr_sp);
508 * (permanently) allocate a Board Info struct
509 * and a permanent copy of the "global" data
511 addr_sp -= sizeof (bd_t);
512 bd = (bd_t *) addr_sp;
514 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
515 sizeof (bd_t), addr_sp);
516 addr_sp -= sizeof (gd_t);
517 id = (gd_t *) addr_sp;
518 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
519 sizeof (gd_t), addr_sp);
522 * Finally, we set up a new (bigger) stack.
524 * Leave some safety gap for SP, force alignment on 16 byte boundary
525 * Clear initial stack frame
529 s = (ulong *)addr_sp;
533 debug ("Stack Pointer at: %08lx\n", addr_sp);
536 * Save local variables to board info struct
539 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
540 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
543 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
544 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
545 #elif defined CONFIG_MPC8220
546 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
547 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
549 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
550 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
553 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
554 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
555 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
557 #if defined(CONFIG_MPC5xxx)
558 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
560 #if defined(CONFIG_MPC83XX)
561 bd->bi_immrbar = CFG_IMMR;
563 #if defined(CONFIG_MPC8220)
564 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
565 bd->bi_inpfreq = gd->inp_clk;
566 bd->bi_pcifreq = gd->pci_clk;
567 bd->bi_vcofreq = gd->vco_clk;
568 bd->bi_pevfreq = gd->pev_clk;
569 bd->bi_flbfreq = gd->flb_clk;
571 /* store bootparam to sram (backward compatible), here? */
573 u32 *sram = (u32 *)CFG_SRAM_BASE;
574 *sram++ = gd->ram_size;
575 *sram++ = gd->bus_clk;
576 *sram++ = gd->inp_clk;
577 *sram++ = gd->cpu_clk;
578 *sram++ = gd->vco_clk;
579 *sram++ = gd->flb_clk;
580 *sram++ = 0xb8c3ba11; /* boot signature */
584 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
587 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
588 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
589 #if defined(CONFIG_CPM2)
590 bd->bi_cpmfreq = gd->cpm_clk;
591 bd->bi_brgfreq = gd->brg_clk;
592 bd->bi_sccfreq = gd->scc_clk;
593 bd->bi_vco = gd->vco_out;
594 #endif /* CONFIG_CPM2 */
595 #if defined(CONFIG_MPC512X)
596 bd->bi_ipsfreq = gd->ips_clk;
597 #endif /* CONFIG_MPC512X */
598 #if defined(CONFIG_MPC5xxx)
599 bd->bi_ipbfreq = gd->ipb_clk;
600 bd->bi_pcifreq = gd->pci_clk;
601 #endif /* CONFIG_MPC5xxx */
602 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
605 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
606 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
608 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
609 bd->bi_plb_busfreq = gd->bus_clk;
610 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
611 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
612 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
613 bd->bi_pci_busfreq = get_PCI_freq ();
614 bd->bi_opbfreq = get_OPB_freq ();
615 #elif defined(CONFIG_XILINX_405)
616 bd->bi_pci_busfreq = get_PCI_freq ();
620 debug ("New Stack Pointer is: %08lx\n", addr_sp);
625 post_bootmode_init();
626 post_run (NULL, POST_ROM | post_bootmode_get(0));
631 memcpy (id, (void *)gd, sizeof (gd_t));
633 relocate_code (addr_sp, id, addr);
635 /* NOTREACHED - relocate_code() does not return */
638 int __is_sata_supported(void)
640 /* For some boards, when sata disabled by the switch, and the
641 * driver still access the sata registers, the cpu will hangup.
642 * please define platform specific is_sata_supported() if your
643 * board have such issue.*/
646 int is_sata_supported(void) __attribute__((weak, alias("__is_sata_supported")));
648 /************************************************************************
650 * This is the next part if the initialization sequence: we are now
651 * running from RAM and have a "normal" C environment, i. e. global
652 * data can be written, BSS has been cleared, the stack size in not
653 * that critical any more, etc.
655 ************************************************************************
657 void board_init_r (gd_t *id, ulong dest_addr)
663 extern void malloc_bin_reloc (void);
664 #ifndef CONFIG_ENV_IS_NOWHERE
665 extern char * env_name_spec;
672 gd = id; /* initialize RAM version of global data */
675 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
677 #if defined(CONFIG_RELOC_FIXUP_WORKS)
679 mem_malloc_end = dest_addr;
681 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
684 #ifdef CONFIG_SERIAL_MULTI
688 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
692 #if defined(CONFIG_BOARD_EARLY_INIT_R)
693 board_early_init_r ();
696 monitor_flash_len = (ulong)&__init_end - dest_addr;
699 * We have to relocate the command table manually
701 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
703 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
705 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
706 cmdtp->name, (ulong) (cmdtp->cmd), addr);
709 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
711 addr = (ulong)(cmdtp->name) + gd->reloc_off;
712 cmdtp->name = (char *)addr;
715 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
716 cmdtp->usage = (char *)addr;
720 addr = (ulong)(cmdtp->help) + gd->reloc_off;
721 cmdtp->help = (char *)addr;
725 /* there are some other pointer constants we must deal with */
726 #ifndef CONFIG_ENV_IS_NOWHERE
727 env_name_spec += gd->reloc_off;
732 #ifdef CONFIG_LOGBUFFER
733 logbuff_init_ptrs ();
736 post_output_backlog ();
742 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
743 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
744 icache_enable (); /* it's time to enable the instruction cache */
747 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
748 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
751 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
753 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
754 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
759 #if defined(CONFIG_BAB7xx)
761 * Initialise the ISA bridge
763 initialise_w83c553f ();
766 asm ("sync ; isync");
769 * Setup trap handlers
771 trap_init (dest_addr);
773 #if !defined(CFG_NO_FLASH)
776 if ((flash_size = flash_init ()) > 0) {
777 # ifdef CFG_FLASH_CHECKSUM
778 print_size (flash_size, "");
780 * Compute and print flash CRC if flashchecksum is set to 'y'
782 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
784 s = getenv ("flashchecksum");
785 if (s && (*s == 'y')) {
786 printf (" CRC: %08X",
787 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
791 # else /* !CFG_FLASH_CHECKSUM */
792 print_size (flash_size, "\n");
793 # endif /* CFG_FLASH_CHECKSUM */
799 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
800 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
802 #if defined(CFG_UPDATE_FLASH_SIZE)
803 /* Make a update of the Memctrl. */
804 update_flash_size (flash_size);
808 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
809 /* flash mapped at end of memory map */
810 bd->bi_flashoffset = TEXT_BASE + flash_size;
811 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
812 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
814 bd->bi_flashoffset = 0;
816 #else /* CFG_NO_FLASH */
818 bd->bi_flashsize = 0;
819 bd->bi_flashstart = 0;
820 bd->bi_flashoffset = 0;
821 #endif /* !CFG_NO_FLASH */
825 /* initialize higher level parts of CPU like time base and timers */
830 /* initialize malloc() area */
835 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
841 #if defined(CONFIG_CMD_NAND)
844 nand_init(); /* go init the NAND */
847 /* relocate environment function pointers etc. */
851 * Fill in missing fields of bd_info.
852 * We do this here, where we have "normal" access to the
853 * environment; we used to do this still running from ROM,
854 * where had to use getenv_r(), which can be pretty slow when
855 * the environment is in EEPROM.
858 #if defined(CFG_EXTBDINFO)
859 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
860 #if defined(CONFIG_I2CFAST)
862 * set bi_iic_fast for linux taking environment variable
863 * "i2cfast" into account
866 char *s = getenv ("i2cfast");
867 if (s && ((*s == 'y') || (*s == 'Y'))) {
868 bd->bi_iic_fast[0] = 1;
869 bd->bi_iic_fast[1] = 1;
871 bd->bi_iic_fast[0] = 0;
872 bd->bi_iic_fast[1] = 0;
876 bd->bi_iic_fast[0] = 0;
877 bd->bi_iic_fast[1] = 0;
878 #endif /* CONFIG_I2CFAST */
879 #endif /* CONFIG_405GP, CONFIG_405EP */
880 #endif /* CFG_EXTBDINFO */
882 #if defined(CONFIG_SC3)
886 #if defined (CONFIG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
887 mac_read_from_eeprom();
890 s = getenv ("ethaddr");
891 #if defined (CONFIG_MBX) || \
892 defined (CONFIG_RPXCLASSIC) || \
893 defined(CONFIG_IAD210) || \
896 board_get_enetaddr (bd->bi_enetaddr);
899 for (i = 0; i < 6; ++i) {
900 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
902 s = (*e) ? e + 1 : e;
905 if ((gd->board_type >> 16) == 2)
906 bd->bi_ethspeed = gd->board_type & 0xFFFF;
908 bd->bi_ethspeed = 0xFFFF;
912 load_sernum_ethaddr ();
915 #ifdef CONFIG_HAS_ETH1
916 /* handle the 2nd ethernet address */
918 s = getenv ("eth1addr");
920 for (i = 0; i < 6; ++i) {
921 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
923 s = (*e) ? e + 1 : e;
926 #ifdef CONFIG_HAS_ETH2
927 /* handle the 3rd ethernet address */
929 s = getenv ("eth2addr");
930 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
932 board_get_enetaddr(bd->bi_enet2addr);
935 for (i = 0; i < 6; ++i) {
936 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
938 s = (*e) ? e + 1 : e;
942 #ifdef CONFIG_HAS_ETH3
943 /* handle 4th ethernet address */
944 s = getenv("eth3addr");
945 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
947 board_get_enetaddr(bd->bi_enet3addr);
950 for (i = 0; i < 6; ++i) {
951 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
953 s = (*e) ? e + 1 : e;
957 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
958 defined(CONFIG_TQM8272) || \
959 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
960 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
961 load_sernum_ethaddr ();
964 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
968 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
970 * Do pci configuration
975 /** leave this here (after malloc(), environment and PCI are working) **/
976 /* Initialize devices */
979 /* Initialize the jump table for applications */
982 #if defined(CONFIG_API)
987 /* Initialize the console (after the relocation and devices init) */
990 #if defined(CONFIG_CCM) || \
991 defined(CONFIG_COGENT) || \
992 defined(CONFIG_CPCI405) || \
993 defined(CONFIG_EVB64260) || \
994 defined(CONFIG_KUP4K) || \
995 defined(CONFIG_KUP4X) || \
996 defined(CONFIG_LWMON) || \
997 defined(CONFIG_PCU_E) || \
998 defined(CONFIG_SC3) || \
999 defined(CONFIG_W7O) || \
1000 defined(CONFIG_MISC_INIT_R)
1001 /* miscellaneous platform dependent initialisations */
1005 #ifdef CONFIG_HERMES
1006 if (bd->bi_ethspeed != 0xFFFF)
1007 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1010 #if defined(CONFIG_CMD_KGDB)
1016 debug ("U-Boot relocated to %08lx\n", dest_addr);
1023 /* Must happen after interrupts are initialized since
1024 * an irq handler gets installed
1026 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1027 serial_buffered_init();
1030 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1031 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1038 /* Initialize from environment */
1039 if ((s = getenv ("loadaddr")) != NULL) {
1040 load_addr = simple_strtoul (s, NULL, 16);
1042 #if defined(CONFIG_CMD_NET)
1043 if ((s = getenv ("bootfile")) != NULL) {
1044 copy_filename (BootFile, s, sizeof (BootFile));
1050 #if defined(CONFIG_CMD_SCSI)
1056 #if defined(CONFIG_CMD_DOC)
1062 #if defined(CONFIG_CMD_NET)
1063 #if defined(CONFIG_NET_MULTI)
1067 eth_initialize (bd);
1070 #if defined(CONFIG_CMD_NET) && ( \
1071 defined(CONFIG_CCM) || \
1072 defined(CONFIG_ELPT860) || \
1073 defined(CONFIG_EP8260) || \
1074 defined(CONFIG_IP860) || \
1075 defined(CONFIG_IVML24) || \
1076 defined(CONFIG_IVMS8) || \
1077 defined(CONFIG_MPC8260ADS) || \
1078 defined(CONFIG_MPC8266ADS) || \
1079 defined(CONFIG_MPC8560ADS) || \
1080 defined(CONFIG_PCU_E) || \
1081 defined(CONFIG_RPXSUPER) || \
1082 defined(CONFIG_STXGP3) || \
1083 defined(CONFIG_SPD823TS) || \
1084 defined(CONFIG_RESET_PHY_R) )
1087 debug ("Reset Ethernet PHY\n");
1092 post_run (NULL, POST_RAM | post_bootmode_get(0));
1095 #if defined(CONFIG_CMD_PCMCIA) \
1096 && !defined(CONFIG_CMD_IDE)
1102 #if defined(CONFIG_CMD_IDE)
1104 # ifdef CONFIG_IDE_8xx_PCCARD
1109 #if defined(CONFIG_START_IDE)
1110 if (board_start_ide())
1117 #if defined(CONFIG_CMD_SATA)
1118 if (is_sata_supported()) {
1124 #ifdef CONFIG_LAST_STAGE_INIT
1127 * Some parts can be only initialized if all others (like
1128 * Interrupts) are up and running (i.e. the PC-style ISA
1134 #if defined(CONFIG_CMD_BEDBUG)
1139 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1141 * Export available size of memory for Linux,
1142 * taking into account the protected RAM at top of memory
1150 if ((s = getenv ("pram")) != NULL) {
1151 pram = simple_strtoul (s, NULL, 10);
1158 #ifdef CONFIG_LOGBUFFER
1159 #ifndef CONFIG_ALT_LB_ADDR
1160 /* Also take the logbuffer into account (pram is in kB) */
1161 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1164 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1165 setenv ("mem", (char *)memsz);
1169 #ifdef CONFIG_PS2KBD
1174 #ifdef CONFIG_MODEM_SUPPORT
1176 extern int do_mdm_init;
1177 do_mdm_init = gd->do_mdm_init;
1181 /* Initialization complete - start the monitor */
1183 /* main_loop() can return to retry autoboot, if so just run it again. */
1189 /* NOTREACHED - no way out of command loop except booting */
1194 puts ("### ERROR ### Please RESET the board ###\n");
1195 show_boot_progress(-30);
1199 #ifdef CONFIG_MODEM_SUPPORT
1200 /* called from main loop (common/main.c) */
1201 /* 'inline' - We have to do it fast */
1202 static inline void mdm_readline(char *buf, int bufsiz)
1213 /* dbg("(%c)", c); */
1225 return; /* sanity check */
1234 extern void dbg(const char *fmt, ...);
1240 extern char console_buffer[];
1241 extern void enable_putc(void);
1242 extern int hwflow_onoff(int);
1244 enable_putc(); /* enable serial_putc() */
1246 #ifdef CONFIG_HWFLOW
1247 init_str = getenv("mdm_flow_control");
1248 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1255 sprintf(env_str, "mdm_init%d", i);
1256 if ((init_str = getenv(env_str)) != NULL) {
1257 serial_puts(init_str);
1260 mdm_readline(console_buffer, CFG_CBSIZE);
1261 dbg("ini%d: [%s]", i, console_buffer);
1263 if ((strcmp(console_buffer, "OK") == 0) ||
1264 (strcmp(console_buffer, "ERROR") == 0)) {
1265 dbg("ini%d: cmd done", i);
1267 } else /* in case we are originating call ... */
1268 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1269 dbg("ini%d: connect", i);
1274 break; /* no init string - stop modem init */
1281 /* final stage - wait for connect */
1282 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1283 message from modem */
1284 mdm_readline(console_buffer, CFG_CBSIZE);
1285 dbg("ini_f: [%s]", console_buffer);
1286 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1287 dbg("ini_f: connected");
1297 #if 0 /* We could use plain global data, but the resulting code is bigger */
1299 * Pointer to initial global data area
1301 * Here we initialize it.
1303 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1304 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1305 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1308 /************************************************************************/