2 * (C) Copyright 2000-2006
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SATA)
44 #if defined(CONFIG_CMD_SCSI)
47 #if defined(CONFIG_CMD_KGDB)
50 #ifdef CONFIG_STATUS_LED
51 #include <status_led.h>
55 #ifdef CFG_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
61 #if defined(CONFIG_BAB7xx)
65 #if defined(CONFIG_POST)
68 #if defined(CONFIG_LOGBUFFER)
71 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CFG_UPDATE_FLASH_SIZE
79 extern int update_flash_size (int flash_size);
82 #if defined(CONFIG_SC3)
83 extern void sc3_read_eeprom(void);
86 #if defined(CONFIG_CMD_DOC)
89 #if defined(CONFIG_HARD_I2C) || \
90 defined(CONFIG_SOFT_I2C)
93 #if defined(CONFIG_HARD_SPI)
96 #if defined(CONFIG_CMD_NAND)
97 void nand_init (void);
100 static char *failed = "*** failed ***\n";
102 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
103 extern flash_info_t flash_info[];
106 #if defined(CONFIG_START_IDE)
107 extern int board_start_ide(void);
109 #include <environment.h>
111 DECLARE_GLOBAL_DATA_PTR;
113 #if defined(CFG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
115 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
116 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
117 defined(CFG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
120 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
123 #if !defined(CFG_MEM_TOP_HIDE)
124 #define CFG_MEM_TOP_HIDE 0
127 extern ulong __init_end;
129 ulong monitor_flash_len;
131 #if defined(CONFIG_CMD_BEDBUG)
132 #include <bedbug/type.h>
136 * Begin and End of memory area for malloc(), and current "brk"
138 static ulong mem_malloc_start = 0;
139 static ulong mem_malloc_end = 0;
140 static ulong mem_malloc_brk = 0;
142 /************************************************************************
144 ************************************************************************
148 * The Malloc area is immediately below the monitor copy in DRAM
150 static void mem_malloc_init (void)
152 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
153 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
155 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
156 mem_malloc_brk = mem_malloc_start;
158 memset ((void *) mem_malloc_start,
160 mem_malloc_end - mem_malloc_start);
163 void *sbrk (ptrdiff_t increment)
165 ulong old = mem_malloc_brk;
166 ulong new = old + increment;
168 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
171 mem_malloc_brk = new;
172 return ((void *) old);
175 char *strmhz (char *buf, long hz)
181 l = sprintf (buf, "%ld", n);
182 m = (hz % 1000000L) / 1000L;
184 sprintf (buf + l, ".%03ld", m);
189 * All attempts to come up with a "common" initialization sequence
190 * that works for all boards and architectures failed: some of the
191 * requirements are just _too_ different. To get rid of the resulting
192 * mess of board dependend #ifdef'ed code we now make the whole
193 * initialization sequence configurable to the user.
195 * The requirements for any new initalization function is simple: it
196 * receives a pointer to the "global data" structure as it's only
197 * argument, and returns an integer return code, where 0 means
198 * "continue" and != 0 means "fatal error, hang the system".
200 typedef int (init_fnc_t) (void);
202 /************************************************************************
204 ************************************************************************
205 * Some of this code should be moved into the core functions,
206 * but let's get it working (again) first...
209 static int init_baudrate (void)
211 char tmp[64]; /* long enough for environment variables */
212 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
214 gd->baudrate = (i > 0)
215 ? (int) simple_strtoul (tmp, NULL, 10)
220 /***********************************************************************/
222 void __board_add_ram_info(int use_default)
224 /* please define platform specific board_add_ram_info() */
226 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
229 static int init_func_ram (void)
231 #ifdef CONFIG_BOARD_TYPES
232 int board_type = gd->board_type;
234 int board_type = 0; /* use dummy arg */
238 if ((gd->ram_size = initdram (board_type)) > 0) {
239 print_size (gd->ram_size, "");
240 board_add_ram_info(0);
248 /***********************************************************************/
250 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
251 static int init_func_i2c (void)
254 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
260 #if defined(CONFIG_HARD_SPI)
261 static int init_func_spi (void)
270 /***********************************************************************/
272 #if defined(CONFIG_WATCHDOG)
273 static int init_func_watchdog_init (void)
275 puts (" Watchdog enabled\n");
279 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
281 static int init_func_watchdog_reset (void)
286 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
288 # define INIT_FUNC_WATCHDOG_INIT /* undef */
289 # define INIT_FUNC_WATCHDOG_RESET /* undef */
290 #endif /* CONFIG_WATCHDOG */
292 /************************************************************************
293 * Initialization sequence *
294 ************************************************************************
297 init_fnc_t *init_sequence[] = {
299 #if defined(CONFIG_BOARD_EARLY_INIT_F)
303 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
304 get_clocks, /* get CPU and bus clocks (etc.) */
305 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
306 && !defined(CONFIG_TQM885D)
307 adjust_sdram_tbs_8xx,
311 #ifdef CFG_ALLOC_DPRAM
312 #if !defined(CONFIG_CPM2)
316 #if defined(CONFIG_BOARD_POSTCLK_INIT)
320 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
321 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
322 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
329 #if defined(CONFIG_8260)
332 #endif /* CONFIG_8260 */
333 #if defined(CONFIG_MPC83XX)
337 #if defined(CONFIG_MPC5xxx)
339 #endif /* CONFIG_MPC5xxx */
340 #if defined(CONFIG_MPC8220)
344 INIT_FUNC_WATCHDOG_INIT
345 #if defined(CONFIG_MISC_INIT_F)
348 INIT_FUNC_WATCHDOG_RESET
349 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
352 #if defined(CONFIG_HARD_SPI)
355 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
361 INIT_FUNC_WATCHDOG_RESET
363 #if defined(CFG_DRAM_TEST)
365 #endif /* CFG_DRAM_TEST */
366 INIT_FUNC_WATCHDOG_RESET
368 NULL, /* Terminate this list */
371 #ifndef CONFIG_MAX_MEM_MAPPED
372 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
374 ulong get_effective_memsize(void)
376 #ifndef CONFIG_VERY_BIG_RAM
379 /* limit stack to what we can reasonable map */
380 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
381 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
385 /************************************************************************
387 * This is the first part of the initialization sequence that is
388 * implemented in C, but still running from ROM.
390 * The main purpose is to provide a (serial) console interface as
391 * soon as possible (so we can see any error messages), and to
392 * initialize the RAM so that we can relocate the monitor code to
395 * Be aware of the restrictions: global data is read-only, BSS is not
396 * initialized, and stack space is limited to a few kB.
398 ************************************************************************
401 void board_init_f (ulong bootflag)
404 ulong len, addr, addr_sp;
407 init_fnc_t **init_fnc_ptr;
411 uchar tmp[64]; /* long enough for environment variables */
414 /* Pointer is writable since we allocated a register for it */
415 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
416 /* compiler optimization barrier needed for GCC >= 3.4 */
417 __asm__ __volatile__("": : :"memory");
419 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
420 /* Clear initial global data */
421 memset ((void *) gd, 0, sizeof (gd_t));
424 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
425 if ((*init_fnc_ptr) () != 0) {
431 * Now that we have DRAM mapped and working, we can
432 * relocate the code and continue running from DRAM.
434 * Reserve memory at end of RAM for (top down in that order):
435 * - area that won't get touched by U-Boot and Linux (optional)
436 * - kernel log buffer
440 * - board info struct
442 len = (ulong)&_end - CFG_MONITOR_BASE;
445 * Subtract specified amount of memory to hide so that it won't
446 * get "touched" at all by U-Boot. By fixing up gd->ram_size
447 * the Linux kernel should now get passed the now "corrected"
448 * memory size and won't touch it either. This should work
449 * for arch/ppc and arch/powerpc. Only Linux board ports in
450 * arch/powerpc with bootwrapper support, that recalculate the
451 * memory size from the SDRAM controller setup will have to
454 gd->ram_size -= CFG_MEM_TOP_HIDE;
456 #ifndef CONFIG_MAX_MEM_MAPPED
457 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
460 #ifndef CONFIG_VERY_BIG_RAM
461 addr = CFG_SDRAM_BASE + get_effective_memsize();
463 /* only allow stack below 256M */
464 addr = CFG_SDRAM_BASE +
465 (gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
466 CONFIG_MAX_MEM_MAPPED : get_effective_memsize();
469 #ifdef CONFIG_LOGBUFFER
470 #ifndef CONFIG_ALT_LB_ADDR
471 /* reserve kernel log buffer */
472 addr -= (LOGBUFF_RESERVE);
473 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
479 * reserve protected RAM
481 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
482 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
483 addr -= (reg << 10); /* size is in kB */
484 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
485 #endif /* CONFIG_PRAM */
487 /* round down to next 4 kB limit */
489 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
492 /* reserve memory for LCD display (always full pages) */
493 addr = lcd_setmem (addr);
495 #endif /* CONFIG_LCD */
497 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
498 /* reserve memory for video display (always full pages) */
499 addr = video_setmem (addr);
501 #endif /* CONFIG_VIDEO */
504 * reserve memory for U-Boot code, data & bss
505 * round down to next 4 kB limit
510 /* round down to next 64 kB limit so that IVPR stays aligned */
511 addr &= ~(65536 - 1);
514 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
516 #ifdef CONFIG_AMIGAONEG3SE
517 gd->relocaddr = addr;
521 * reserve memory for malloc() arena
523 addr_sp = addr - TOTAL_MALLOC_LEN;
524 debug ("Reserving %dk for malloc() at: %08lx\n",
525 TOTAL_MALLOC_LEN >> 10, addr_sp);
528 * (permanently) allocate a Board Info struct
529 * and a permanent copy of the "global" data
531 addr_sp -= sizeof (bd_t);
532 bd = (bd_t *) addr_sp;
534 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
535 sizeof (bd_t), addr_sp);
536 addr_sp -= sizeof (gd_t);
537 id = (gd_t *) addr_sp;
538 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
539 sizeof (gd_t), addr_sp);
542 * Finally, we set up a new (bigger) stack.
544 * Leave some safety gap for SP, force alignment on 16 byte boundary
545 * Clear initial stack frame
549 s = (ulong *)addr_sp;
553 debug ("Stack Pointer at: %08lx\n", addr_sp);
556 * Save local variables to board info struct
559 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
560 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
563 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
564 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
565 #elif defined CONFIG_MPC8220
566 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
567 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
569 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
570 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
573 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
574 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
575 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
577 #if defined(CONFIG_MPC5xxx)
578 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
580 #if defined(CONFIG_MPC83XX)
581 bd->bi_immrbar = CFG_IMMR;
583 #if defined(CONFIG_MPC8220)
584 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
585 bd->bi_inpfreq = gd->inp_clk;
586 bd->bi_pcifreq = gd->pci_clk;
587 bd->bi_vcofreq = gd->vco_clk;
588 bd->bi_pevfreq = gd->pev_clk;
589 bd->bi_flbfreq = gd->flb_clk;
591 /* store bootparam to sram (backward compatible), here? */
593 u32 *sram = (u32 *)CFG_SRAM_BASE;
594 *sram++ = gd->ram_size;
595 *sram++ = gd->bus_clk;
596 *sram++ = gd->inp_clk;
597 *sram++ = gd->cpu_clk;
598 *sram++ = gd->vco_clk;
599 *sram++ = gd->flb_clk;
600 *sram++ = 0xb8c3ba11; /* boot signature */
604 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
607 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
608 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
609 #if defined(CONFIG_CPM2)
610 bd->bi_cpmfreq = gd->cpm_clk;
611 bd->bi_brgfreq = gd->brg_clk;
612 bd->bi_sccfreq = gd->scc_clk;
613 bd->bi_vco = gd->vco_out;
614 #endif /* CONFIG_CPM2 */
615 #if defined(CONFIG_MPC512X)
616 bd->bi_ipsfreq = gd->ips_clk;
617 #endif /* CONFIG_MPC512X */
618 #if defined(CONFIG_MPC5xxx)
619 bd->bi_ipbfreq = gd->ipb_clk;
620 bd->bi_pcifreq = gd->pci_clk;
621 #endif /* CONFIG_MPC5xxx */
622 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
625 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
626 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
628 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
629 bd->bi_plb_busfreq = gd->bus_clk;
630 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
631 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
632 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
633 bd->bi_pci_busfreq = get_PCI_freq ();
634 bd->bi_opbfreq = get_OPB_freq ();
635 #elif defined(CONFIG_XILINX_ML300)
636 bd->bi_pci_busfreq = get_PCI_freq ();
640 debug ("New Stack Pointer is: %08lx\n", addr_sp);
645 post_bootmode_init();
646 post_run (NULL, POST_ROM | post_bootmode_get(0));
651 memcpy (id, (void *)gd, sizeof (gd_t));
653 relocate_code (addr_sp, id, addr);
655 /* NOTREACHED - relocate_code() does not return */
658 /************************************************************************
660 * This is the next part if the initialization sequence: we are now
661 * running from RAM and have a "normal" C environment, i. e. global
662 * data can be written, BSS has been cleared, the stack size in not
663 * that critical any more, etc.
665 ************************************************************************
667 void board_init_r (gd_t *id, ulong dest_addr)
673 extern void malloc_bin_reloc (void);
674 #ifndef CFG_ENV_IS_NOWHERE
675 extern char * env_name_spec;
682 gd = id; /* initialize RAM version of global data */
685 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
687 #if defined(CONFIG_RELOC_FIXUP_WORKS)
689 mem_malloc_end = dest_addr;
691 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
694 #ifdef CONFIG_SERIAL_MULTI
698 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
702 #if defined(CONFIG_BOARD_EARLY_INIT_R)
703 board_early_init_r ();
706 monitor_flash_len = (ulong)&__init_end - dest_addr;
709 * We have to relocate the command table manually
711 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
713 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
715 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
716 cmdtp->name, (ulong) (cmdtp->cmd), addr);
719 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
721 addr = (ulong)(cmdtp->name) + gd->reloc_off;
722 cmdtp->name = (char *)addr;
725 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
726 cmdtp->usage = (char *)addr;
730 addr = (ulong)(cmdtp->help) + gd->reloc_off;
731 cmdtp->help = (char *)addr;
735 /* there are some other pointer constants we must deal with */
736 #ifndef CFG_ENV_IS_NOWHERE
737 env_name_spec += gd->reloc_off;
742 #ifdef CONFIG_LOGBUFFER
743 logbuff_init_ptrs ();
746 post_output_backlog ();
752 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
753 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
754 icache_enable (); /* it's time to enable the instruction cache */
757 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
758 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
761 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
763 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
764 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
769 #if defined(CONFIG_BAB7xx)
771 * Initialise the ISA bridge
773 initialise_w83c553f ();
776 asm ("sync ; isync");
779 * Setup trap handlers
781 trap_init (dest_addr);
783 #if !defined(CFG_NO_FLASH)
786 if ((flash_size = flash_init ()) > 0) {
787 # ifdef CFG_FLASH_CHECKSUM
788 print_size (flash_size, "");
790 * Compute and print flash CRC if flashchecksum is set to 'y'
792 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
794 s = getenv ("flashchecksum");
795 if (s && (*s == 'y')) {
796 printf (" CRC: %08lX",
797 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
801 # else /* !CFG_FLASH_CHECKSUM */
802 print_size (flash_size, "\n");
803 # endif /* CFG_FLASH_CHECKSUM */
809 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
810 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
812 #if defined(CFG_UPDATE_FLASH_SIZE)
813 /* Make a update of the Memctrl. */
814 update_flash_size (flash_size);
818 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
819 /* flash mapped at end of memory map */
820 bd->bi_flashoffset = TEXT_BASE + flash_size;
821 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
822 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
824 bd->bi_flashoffset = 0;
826 #else /* CFG_NO_FLASH */
828 bd->bi_flashsize = 0;
829 bd->bi_flashstart = 0;
830 bd->bi_flashoffset = 0;
831 #endif /* !CFG_NO_FLASH */
835 /* initialize higher level parts of CPU like time base and timers */
840 /* initialize malloc() area */
845 # if !defined(CFG_ENV_IS_IN_EEPROM)
851 #if defined(CONFIG_CMD_NAND)
854 nand_init(); /* go init the NAND */
857 /* relocate environment function pointers etc. */
861 * Fill in missing fields of bd_info.
862 * We do this here, where we have "normal" access to the
863 * environment; we used to do this still running from ROM,
864 * where had to use getenv_r(), which can be pretty slow when
865 * the environment is in EEPROM.
868 #if defined(CFG_EXTBDINFO)
869 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
870 #if defined(CONFIG_I2CFAST)
872 * set bi_iic_fast for linux taking environment variable
873 * "i2cfast" into account
876 char *s = getenv ("i2cfast");
877 if (s && ((*s == 'y') || (*s == 'Y'))) {
878 bd->bi_iic_fast[0] = 1;
879 bd->bi_iic_fast[1] = 1;
881 bd->bi_iic_fast[0] = 0;
882 bd->bi_iic_fast[1] = 0;
886 bd->bi_iic_fast[0] = 0;
887 bd->bi_iic_fast[1] = 0;
888 #endif /* CONFIG_I2CFAST */
889 #endif /* CONFIG_405GP, CONFIG_405EP */
890 #endif /* CFG_EXTBDINFO */
892 #if defined(CONFIG_SC3)
896 #if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
897 mac_read_from_eeprom();
900 s = getenv ("ethaddr");
901 #if defined (CONFIG_MBX) || \
902 defined (CONFIG_RPXCLASSIC) || \
903 defined(CONFIG_IAD210) || \
906 board_get_enetaddr (bd->bi_enetaddr);
909 for (i = 0; i < 6; ++i) {
910 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
912 s = (*e) ? e + 1 : e;
915 if ((gd->board_type >> 16) == 2)
916 bd->bi_ethspeed = gd->board_type & 0xFFFF;
918 bd->bi_ethspeed = 0xFFFF;
922 load_sernum_ethaddr ();
925 #ifdef CONFIG_HAS_ETH1
926 /* handle the 2nd ethernet address */
928 s = getenv ("eth1addr");
930 for (i = 0; i < 6; ++i) {
931 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
933 s = (*e) ? e + 1 : e;
936 #ifdef CONFIG_HAS_ETH2
937 /* handle the 3rd ethernet address */
939 s = getenv ("eth2addr");
940 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
942 board_get_enetaddr(bd->bi_enet2addr);
945 for (i = 0; i < 6; ++i) {
946 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
948 s = (*e) ? e + 1 : e;
952 #ifdef CONFIG_HAS_ETH3
953 /* handle 4th ethernet address */
954 s = getenv("eth3addr");
955 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
957 board_get_enetaddr(bd->bi_enet3addr);
960 for (i = 0; i < 6; ++i) {
961 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
963 s = (*e) ? e + 1 : e;
967 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
968 defined(CONFIG_TQM8272) || \
969 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
970 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
971 load_sernum_ethaddr ();
974 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
978 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
980 * Do pci configuration
985 /** leave this here (after malloc(), environment and PCI are working) **/
986 /* Initialize devices */
989 /* Initialize the jump table for applications */
992 #if defined(CONFIG_API)
997 /* Initialize the console (after the relocation and devices init) */
1000 #if defined(CONFIG_CCM) || \
1001 defined(CONFIG_COGENT) || \
1002 defined(CONFIG_CPCI405) || \
1003 defined(CONFIG_EVB64260) || \
1004 defined(CONFIG_KUP4K) || \
1005 defined(CONFIG_KUP4X) || \
1006 defined(CONFIG_LWMON) || \
1007 defined(CONFIG_PCU_E) || \
1008 defined(CONFIG_SC3) || \
1009 defined(CONFIG_W7O) || \
1010 defined(CONFIG_MISC_INIT_R)
1011 /* miscellaneous platform dependent initialisations */
1015 #ifdef CONFIG_HERMES
1016 if (bd->bi_ethspeed != 0xFFFF)
1017 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1020 #if defined(CONFIG_CMD_KGDB)
1026 debug ("U-Boot relocated to %08lx\n", dest_addr);
1033 /* Must happen after interrupts are initialized since
1034 * an irq handler gets installed
1036 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1037 serial_buffered_init();
1040 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1041 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1048 /* Initialize from environment */
1049 if ((s = getenv ("loadaddr")) != NULL) {
1050 load_addr = simple_strtoul (s, NULL, 16);
1052 #if defined(CONFIG_CMD_NET)
1053 if ((s = getenv ("bootfile")) != NULL) {
1054 copy_filename (BootFile, s, sizeof (BootFile));
1060 #if defined(CONFIG_CMD_SCSI)
1066 #if defined(CONFIG_CMD_DOC)
1072 #if defined(CONFIG_CMD_NET)
1073 #if defined(CONFIG_NET_MULTI)
1077 eth_initialize (bd);
1080 #if defined(CONFIG_CMD_NET) && ( \
1081 defined(CONFIG_CCM) || \
1082 defined(CONFIG_ELPT860) || \
1083 defined(CONFIG_EP8260) || \
1084 defined(CONFIG_IP860) || \
1085 defined(CONFIG_IVML24) || \
1086 defined(CONFIG_IVMS8) || \
1087 defined(CONFIG_MPC8260ADS) || \
1088 defined(CONFIG_MPC8266ADS) || \
1089 defined(CONFIG_MPC8560ADS) || \
1090 defined(CONFIG_PCU_E) || \
1091 defined(CONFIG_RPXSUPER) || \
1092 defined(CONFIG_STXGP3) || \
1093 defined(CONFIG_SPD823TS) || \
1094 defined(CONFIG_RESET_PHY_R) )
1097 debug ("Reset Ethernet PHY\n");
1102 post_run (NULL, POST_RAM | post_bootmode_get(0));
1105 #if defined(CONFIG_CMD_PCMCIA) \
1106 && !defined(CONFIG_CMD_IDE)
1112 #if defined(CONFIG_CMD_IDE)
1114 # ifdef CONFIG_IDE_8xx_PCCARD
1119 #if defined(CONFIG_START_IDE)
1120 if (board_start_ide())
1127 #if defined(CONFIG_CMD_SATA)
1132 #ifdef CONFIG_LAST_STAGE_INIT
1135 * Some parts can be only initialized if all others (like
1136 * Interrupts) are up and running (i.e. the PC-style ISA
1142 #if defined(CONFIG_CMD_BEDBUG)
1147 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1149 * Export available size of memory for Linux,
1150 * taking into account the protected RAM at top of memory
1158 if ((s = getenv ("pram")) != NULL) {
1159 pram = simple_strtoul (s, NULL, 10);
1166 #ifdef CONFIG_LOGBUFFER
1167 #ifndef CONFIG_ALT_LB_ADDR
1168 /* Also take the logbuffer into account (pram is in kB) */
1169 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1172 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1173 setenv ("mem", (char *)memsz);
1177 #ifdef CONFIG_PS2KBD
1182 #ifdef CONFIG_MODEM_SUPPORT
1184 extern int do_mdm_init;
1185 do_mdm_init = gd->do_mdm_init;
1189 /* Initialization complete - start the monitor */
1191 /* main_loop() can return to retry autoboot, if so just run it again. */
1197 /* NOTREACHED - no way out of command loop except booting */
1202 puts ("### ERROR ### Please RESET the board ###\n");
1203 show_boot_progress(-30);
1207 #ifdef CONFIG_MODEM_SUPPORT
1208 /* called from main loop (common/main.c) */
1209 /* 'inline' - We have to do it fast */
1210 static inline void mdm_readline(char *buf, int bufsiz)
1221 /* dbg("(%c)", c); */
1233 return; /* sanity check */
1242 extern void dbg(const char *fmt, ...);
1248 extern char console_buffer[];
1249 extern void enable_putc(void);
1250 extern int hwflow_onoff(int);
1252 enable_putc(); /* enable serial_putc() */
1254 #ifdef CONFIG_HWFLOW
1255 init_str = getenv("mdm_flow_control");
1256 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1263 sprintf(env_str, "mdm_init%d", i);
1264 if ((init_str = getenv(env_str)) != NULL) {
1265 serial_puts(init_str);
1268 mdm_readline(console_buffer, CFG_CBSIZE);
1269 dbg("ini%d: [%s]", i, console_buffer);
1271 if ((strcmp(console_buffer, "OK") == 0) ||
1272 (strcmp(console_buffer, "ERROR") == 0)) {
1273 dbg("ini%d: cmd done", i);
1275 } else /* in case we are originating call ... */
1276 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1277 dbg("ini%d: connect", i);
1282 break; /* no init string - stop modem init */
1289 /* final stage - wait for connect */
1290 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1291 message from modem */
1292 mdm_readline(console_buffer, CFG_CBSIZE);
1293 dbg("ini_f: [%s]", console_buffer);
1294 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1295 dbg("ini_f: connected");
1305 #if 0 /* We could use plain global data, but the resulting code is bigger */
1307 * Pointer to initial global data area
1309 * Here we initialize it.
1311 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1312 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1313 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1316 /************************************************************************/