2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
38 #if defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SCSI)
44 #if defined(CONFIG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
52 #ifdef CONFIG_SYS_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(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
69 #include <asm/cache.h>
75 #ifdef CONFIG_ADDR_MAP
79 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
80 extern int update_flash_size (int flash_size);
83 #if defined(CONFIG_SC3)
84 extern void sc3_read_eeprom(void);
87 #if defined(CONFIG_CMD_DOC)
90 #if defined(CONFIG_HARD_I2C) || \
91 defined(CONFIG_SOFT_I2C)
97 static char *failed = "*** failed ***\n";
99 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
100 extern flash_info_t flash_info[];
103 #if defined(CONFIG_START_IDE)
104 extern int board_start_ide(void);
106 #include <environment.h>
108 DECLARE_GLOBAL_DATA_PTR;
110 #if defined(CONFIG_ENV_IS_EMBEDDED)
111 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
112 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
113 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
114 defined(CONFIG_ENV_IS_IN_NVRAM)
115 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
117 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
120 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
121 #define CONFIG_SYS_MEM_TOP_HIDE 0
124 extern ulong __init_end;
126 ulong monitor_flash_len;
128 #if defined(CONFIG_CMD_BEDBUG)
129 #include <bedbug/type.h>
133 * Begin and End of memory area for malloc(), and current "brk"
135 static ulong mem_malloc_start = 0;
136 static ulong mem_malloc_end = 0;
137 static ulong mem_malloc_brk = 0;
139 /************************************************************************
141 ************************************************************************
145 * The Malloc area is immediately below the monitor copy in DRAM
147 static void mem_malloc_init (void)
149 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
150 mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off;
152 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
153 mem_malloc_brk = mem_malloc_start;
155 memset ((void *) mem_malloc_start,
157 mem_malloc_end - mem_malloc_start);
160 void *sbrk (ptrdiff_t increment)
162 ulong old = mem_malloc_brk;
163 ulong new = old + increment;
165 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
168 mem_malloc_brk = new;
169 return ((void *) old);
173 * All attempts to come up with a "common" initialization sequence
174 * that works for all boards and architectures failed: some of the
175 * requirements are just _too_ different. To get rid of the resulting
176 * mess of board dependend #ifdef'ed code we now make the whole
177 * initialization sequence configurable to the user.
179 * The requirements for any new initalization function is simple: it
180 * receives a pointer to the "global data" structure as it's only
181 * argument, and returns an integer return code, where 0 means
182 * "continue" and != 0 means "fatal error, hang the system".
184 typedef int (init_fnc_t) (void);
186 /************************************************************************
188 ************************************************************************
189 * Some of this code should be moved into the core functions,
190 * but let's get it working (again) first...
193 static int init_baudrate (void)
195 char tmp[64]; /* long enough for environment variables */
196 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
198 gd->baudrate = (i > 0)
199 ? (int) simple_strtoul (tmp, NULL, 10)
204 /***********************************************************************/
206 void __board_add_ram_info(int use_default)
208 /* please define platform specific board_add_ram_info() */
210 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
213 static int init_func_ram (void)
215 #ifdef CONFIG_BOARD_TYPES
216 int board_type = gd->board_type;
218 int board_type = 0; /* use dummy arg */
222 if ((gd->ram_size = initdram (board_type)) > 0) {
223 print_size (gd->ram_size, "");
224 board_add_ram_info(0);
232 /***********************************************************************/
234 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
235 static int init_func_i2c (void)
238 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
244 #if defined(CONFIG_HARD_SPI)
245 static int init_func_spi (void)
254 /***********************************************************************/
256 #if defined(CONFIG_WATCHDOG)
257 static int init_func_watchdog_init (void)
259 puts (" Watchdog enabled\n");
263 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
265 static int init_func_watchdog_reset (void)
270 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
272 # define INIT_FUNC_WATCHDOG_INIT /* undef */
273 # define INIT_FUNC_WATCHDOG_RESET /* undef */
274 #endif /* CONFIG_WATCHDOG */
276 /************************************************************************
277 * Initialization sequence *
278 ************************************************************************
281 init_fnc_t *init_sequence[] = {
283 #if defined(CONFIG_BOARD_EARLY_INIT_F)
287 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
288 get_clocks, /* get CPU and bus clocks (etc.) */
289 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
290 && !defined(CONFIG_TQM885D)
291 adjust_sdram_tbs_8xx,
295 #ifdef CONFIG_SYS_ALLOC_DPRAM
296 #if !defined(CONFIG_CPM2)
300 #if defined(CONFIG_BOARD_POSTCLK_INIT)
304 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
305 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
306 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
313 #if defined(CONFIG_8260)
316 #endif /* CONFIG_8260 */
317 #if defined(CONFIG_MPC83XX)
321 #if defined(CONFIG_MPC5xxx)
323 #endif /* CONFIG_MPC5xxx */
324 #if defined(CONFIG_MPC8220)
328 INIT_FUNC_WATCHDOG_INIT
329 #if defined(CONFIG_MISC_INIT_F)
332 INIT_FUNC_WATCHDOG_RESET
333 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
336 #if defined(CONFIG_HARD_SPI)
339 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
345 INIT_FUNC_WATCHDOG_RESET
347 #if defined(CONFIG_SYS_DRAM_TEST)
349 #endif /* CONFIG_SYS_DRAM_TEST */
350 INIT_FUNC_WATCHDOG_RESET
352 NULL, /* Terminate this list */
355 ulong get_effective_memsize(void)
357 #ifndef CONFIG_VERY_BIG_RAM
360 /* limit stack to what we can reasonable map */
361 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
362 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
366 /************************************************************************
368 * This is the first part of the initialization sequence that is
369 * implemented in C, but still running from ROM.
371 * The main purpose is to provide a (serial) console interface as
372 * soon as possible (so we can see any error messages), and to
373 * initialize the RAM so that we can relocate the monitor code to
376 * Be aware of the restrictions: global data is read-only, BSS is not
377 * initialized, and stack space is limited to a few kB.
379 ************************************************************************
382 #ifdef CONFIG_LOGBUFFER
383 unsigned long logbuffer_base(void)
385 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
389 void board_init_f (ulong bootflag)
392 ulong len, addr, addr_sp;
395 init_fnc_t **init_fnc_ptr;
399 uchar tmp[64]; /* long enough for environment variables */
402 /* Pointer is writable since we allocated a register for it */
403 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
404 /* compiler optimization barrier needed for GCC >= 3.4 */
405 __asm__ __volatile__("": : :"memory");
407 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
408 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
409 /* Clear initial global data */
410 memset ((void *) gd, 0, sizeof (gd_t));
413 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
414 if ((*init_fnc_ptr) () != 0) {
420 * Now that we have DRAM mapped and working, we can
421 * relocate the code and continue running from DRAM.
423 * Reserve memory at end of RAM for (top down in that order):
424 * - area that won't get touched by U-Boot and Linux (optional)
425 * - kernel log buffer
429 * - board info struct
431 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
434 * Subtract specified amount of memory to hide so that it won't
435 * get "touched" at all by U-Boot. By fixing up gd->ram_size
436 * the Linux kernel should now get passed the now "corrected"
437 * memory size and won't touch it either. This should work
438 * for arch/ppc and arch/powerpc. Only Linux board ports in
439 * arch/powerpc with bootwrapper support, that recalculate the
440 * memory size from the SDRAM controller setup will have to
443 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
445 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
447 #ifdef CONFIG_LOGBUFFER
448 #ifndef CONFIG_ALT_LB_ADDR
449 /* reserve kernel log buffer */
450 addr -= (LOGBUFF_RESERVE);
451 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
457 * reserve protected RAM
459 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
460 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
461 addr -= (reg << 10); /* size is in kB */
462 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
463 #endif /* CONFIG_PRAM */
465 /* round down to next 4 kB limit */
467 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
470 /* reserve memory for LCD display (always full pages) */
471 addr = lcd_setmem (addr);
473 #endif /* CONFIG_LCD */
475 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
476 /* reserve memory for video display (always full pages) */
477 addr = video_setmem (addr);
479 #endif /* CONFIG_VIDEO */
482 * reserve memory for U-Boot code, data & bss
483 * round down to next 4 kB limit
488 /* round down to next 64 kB limit so that IVPR stays aligned */
489 addr &= ~(65536 - 1);
492 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
494 #ifdef CONFIG_AMIGAONEG3SE
495 gd->relocaddr = addr;
499 * reserve memory for malloc() arena
501 addr_sp = addr - TOTAL_MALLOC_LEN;
502 debug ("Reserving %dk for malloc() at: %08lx\n",
503 TOTAL_MALLOC_LEN >> 10, addr_sp);
506 * (permanently) allocate a Board Info struct
507 * and a permanent copy of the "global" data
509 addr_sp -= sizeof (bd_t);
510 bd = (bd_t *) addr_sp;
512 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
513 sizeof (bd_t), addr_sp);
514 addr_sp -= sizeof (gd_t);
515 id = (gd_t *) addr_sp;
516 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
517 sizeof (gd_t), addr_sp);
520 * Finally, we set up a new (bigger) stack.
522 * Leave some safety gap for SP, force alignment on 16 byte boundary
523 * Clear initial stack frame
527 s = (ulong *)addr_sp;
531 debug ("Stack Pointer at: %08lx\n", addr_sp);
534 * Save local variables to board info struct
537 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
538 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
541 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
542 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
543 #elif defined CONFIG_MPC8220
544 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
545 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
547 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
548 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
551 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
552 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
553 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
555 #if defined(CONFIG_MPC5xxx)
556 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
558 #if defined(CONFIG_MPC83XX)
559 bd->bi_immrbar = CONFIG_SYS_IMMR;
561 #if defined(CONFIG_MPC8220)
562 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
563 bd->bi_inpfreq = gd->inp_clk;
564 bd->bi_pcifreq = gd->pci_clk;
565 bd->bi_vcofreq = gd->vco_clk;
566 bd->bi_pevfreq = gd->pev_clk;
567 bd->bi_flbfreq = gd->flb_clk;
569 /* store bootparam to sram (backward compatible), here? */
571 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
572 *sram++ = gd->ram_size;
573 *sram++ = gd->bus_clk;
574 *sram++ = gd->inp_clk;
575 *sram++ = gd->cpu_clk;
576 *sram++ = gd->vco_clk;
577 *sram++ = gd->flb_clk;
578 *sram++ = 0xb8c3ba11; /* boot signature */
582 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
585 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
586 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
587 #if defined(CONFIG_CPM2)
588 bd->bi_cpmfreq = gd->cpm_clk;
589 bd->bi_brgfreq = gd->brg_clk;
590 bd->bi_sccfreq = gd->scc_clk;
591 bd->bi_vco = gd->vco_out;
592 #endif /* CONFIG_CPM2 */
593 #if defined(CONFIG_MPC512X)
594 bd->bi_ipsfreq = gd->ips_clk;
595 #endif /* CONFIG_MPC512X */
596 #if defined(CONFIG_MPC5xxx)
597 bd->bi_ipbfreq = gd->ipb_clk;
598 bd->bi_pcifreq = gd->pci_clk;
599 #endif /* CONFIG_MPC5xxx */
600 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
602 #ifdef CONFIG_SYS_EXTBDINFO
603 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
604 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
606 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
607 bd->bi_plb_busfreq = gd->bus_clk;
608 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
609 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
610 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
611 bd->bi_pci_busfreq = get_PCI_freq ();
612 bd->bi_opbfreq = get_OPB_freq ();
613 #elif defined(CONFIG_XILINX_405)
614 bd->bi_pci_busfreq = get_PCI_freq ();
618 debug ("New Stack Pointer is: %08lx\n", addr_sp);
623 post_bootmode_init();
624 post_run (NULL, POST_ROM | post_bootmode_get(0));
629 memcpy (id, (void *)gd, sizeof (gd_t));
631 relocate_code (addr_sp, id, addr);
633 /* NOTREACHED - relocate_code() does not return */
636 /************************************************************************
638 * This is the next part if the initialization sequence: we are now
639 * running from RAM and have a "normal" C environment, i. e. global
640 * data can be written, BSS has been cleared, the stack size in not
641 * that critical any more, etc.
643 ************************************************************************
645 void board_init_r (gd_t *id, ulong dest_addr)
651 extern void malloc_bin_reloc (void);
652 #ifndef CONFIG_ENV_IS_NOWHERE
653 extern char * env_name_spec;
656 #ifndef CONFIG_SYS_NO_FLASH
660 gd = id; /* initialize RAM version of global data */
663 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
665 #if defined(CONFIG_RELOC_FIXUP_WORKS)
667 mem_malloc_end = dest_addr;
669 gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
672 #ifdef CONFIG_SERIAL_MULTI
676 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
681 * Setup trap handlers
683 trap_init (dest_addr);
685 #ifdef CONFIG_ADDR_MAP
689 #if defined(CONFIG_BOARD_EARLY_INIT_R)
690 board_early_init_r ();
693 monitor_flash_len = (ulong)&__init_end - dest_addr;
696 * We have to relocate the command table manually
698 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
700 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
702 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
703 cmdtp->name, (ulong) (cmdtp->cmd), addr);
706 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
708 addr = (ulong)(cmdtp->name) + gd->reloc_off;
709 cmdtp->name = (char *)addr;
712 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
713 cmdtp->usage = (char *)addr;
715 #ifdef CONFIG_SYS_LONGHELP
717 addr = (ulong)(cmdtp->help) + gd->reloc_off;
718 cmdtp->help = (char *)addr;
722 /* there are some other pointer constants we must deal with */
723 #ifndef CONFIG_ENV_IS_NOWHERE
724 env_name_spec += gd->reloc_off;
729 #ifdef CONFIG_LOGBUFFER
730 logbuff_init_ptrs ();
733 post_output_backlog ();
739 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
740 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
741 icache_enable (); /* it's time to enable the instruction cache */
744 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
745 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
748 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
750 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
751 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
756 #if defined(CONFIG_BAB7xx)
758 * Initialise the ISA bridge
760 initialise_w83c553f ();
763 asm ("sync ; isync");
765 #if !defined(CONFIG_SYS_NO_FLASH)
768 if ((flash_size = flash_init ()) > 0) {
769 # ifdef CONFIG_SYS_FLASH_CHECKSUM
770 print_size (flash_size, "");
772 * Compute and print flash CRC if flashchecksum is set to 'y'
774 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
776 s = getenv ("flashchecksum");
777 if (s && (*s == 'y')) {
778 printf (" CRC: %08X",
779 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
783 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
784 print_size (flash_size, "\n");
785 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
791 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
792 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
794 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
795 /* Make a update of the Memctrl. */
796 update_flash_size (flash_size);
800 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
801 /* flash mapped at end of memory map */
802 bd->bi_flashoffset = TEXT_BASE + flash_size;
803 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
804 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
806 bd->bi_flashoffset = 0;
808 #else /* CONFIG_SYS_NO_FLASH */
810 bd->bi_flashsize = 0;
811 bd->bi_flashstart = 0;
812 bd->bi_flashoffset = 0;
813 #endif /* !CONFIG_SYS_NO_FLASH */
817 /* initialize higher level parts of CPU like time base and timers */
822 /* initialize malloc() area */
827 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
833 #if defined(CONFIG_CMD_NAND)
836 nand_init(); /* go init the NAND */
839 /* relocate environment function pointers etc. */
843 * Fill in missing fields of bd_info.
844 * We do this here, where we have "normal" access to the
845 * environment; we used to do this still running from ROM,
846 * where had to use getenv_r(), which can be pretty slow when
847 * the environment is in EEPROM.
850 #if defined(CONFIG_SYS_EXTBDINFO)
851 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
852 #if defined(CONFIG_I2CFAST)
854 * set bi_iic_fast for linux taking environment variable
855 * "i2cfast" into account
858 char *s = getenv ("i2cfast");
859 if (s && ((*s == 'y') || (*s == 'Y'))) {
860 bd->bi_iic_fast[0] = 1;
861 bd->bi_iic_fast[1] = 1;
863 bd->bi_iic_fast[0] = 0;
864 bd->bi_iic_fast[1] = 0;
868 bd->bi_iic_fast[0] = 0;
869 bd->bi_iic_fast[1] = 0;
870 #endif /* CONFIG_I2CFAST */
871 #endif /* CONFIG_405GP, CONFIG_405EP */
872 #endif /* CONFIG_SYS_EXTBDINFO */
874 #if defined(CONFIG_SC3)
878 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
879 mac_read_from_eeprom();
882 s = getenv ("ethaddr");
883 #if defined (CONFIG_MBX) || \
884 defined (CONFIG_RPXCLASSIC) || \
885 defined(CONFIG_IAD210) || \
888 board_get_enetaddr (bd->bi_enetaddr);
891 for (i = 0; i < 6; ++i) {
892 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
894 s = (*e) ? e + 1 : e;
897 if ((gd->board_type >> 16) == 2)
898 bd->bi_ethspeed = gd->board_type & 0xFFFF;
900 bd->bi_ethspeed = 0xFFFF;
904 load_sernum_ethaddr ();
907 #ifdef CONFIG_HAS_ETH1
908 /* handle the 2nd ethernet address */
910 s = getenv ("eth1addr");
912 for (i = 0; i < 6; ++i) {
913 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
915 s = (*e) ? e + 1 : e;
918 #ifdef CONFIG_HAS_ETH2
919 /* handle the 3rd ethernet address */
921 s = getenv ("eth2addr");
922 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
924 board_get_enetaddr(bd->bi_enet2addr);
927 for (i = 0; i < 6; ++i) {
928 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
930 s = (*e) ? e + 1 : e;
934 #ifdef CONFIG_HAS_ETH3
935 /* handle 4th ethernet address */
936 s = getenv("eth3addr");
937 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
939 board_get_enetaddr(bd->bi_enet3addr);
942 for (i = 0; i < 6; ++i) {
943 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
945 s = (*e) ? e + 1 : e;
949 #ifdef CONFIG_HAS_ETH4
950 /* handle 5th ethernet address */
951 s = getenv("eth4addr");
952 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
954 board_get_enetaddr(bd->bi_enet4addr);
957 for (i = 0; i < 6; ++i) {
958 bd->bi_enet4addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
960 s = (*e) ? e + 1 : e;
964 #ifdef CONFIG_HAS_ETH5
965 /* handle 6th ethernet address */
966 s = getenv("eth5addr");
967 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
969 board_get_enetaddr(bd->bi_enet5addr);
972 for (i = 0; i < 6; ++i) {
973 bd->bi_enet5addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
975 s = (*e) ? e + 1 : e;
979 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
980 defined(CONFIG_TQM8272) || \
981 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
982 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
983 load_sernum_ethaddr ();
986 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
990 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
992 * Do pci configuration
997 /** leave this here (after malloc(), environment and PCI are working) **/
998 /* Initialize devices */
1001 /* Initialize the jump table for applications */
1004 #if defined(CONFIG_API)
1005 /* Initialize API */
1009 /* Initialize the console (after the relocation and devices init) */
1012 #if defined(CONFIG_CCM) || \
1013 defined(CONFIG_COGENT) || \
1014 defined(CONFIG_CPCI405) || \
1015 defined(CONFIG_EVB64260) || \
1016 defined(CONFIG_KUP4K) || \
1017 defined(CONFIG_KUP4X) || \
1018 defined(CONFIG_LWMON) || \
1019 defined(CONFIG_PCU_E) || \
1020 defined(CONFIG_SC3) || \
1021 defined(CONFIG_W7O) || \
1022 defined(CONFIG_MISC_INIT_R)
1023 /* miscellaneous platform dependent initialisations */
1027 #ifdef CONFIG_HERMES
1028 if (bd->bi_ethspeed != 0xFFFF)
1029 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1032 #if defined(CONFIG_CMD_KGDB)
1038 debug ("U-Boot relocated to %08lx\n", dest_addr);
1045 /* Must happen after interrupts are initialized since
1046 * an irq handler gets installed
1048 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1049 serial_buffered_init();
1052 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1053 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1060 /* Initialize from environment */
1061 if ((s = getenv ("loadaddr")) != NULL) {
1062 load_addr = simple_strtoul (s, NULL, 16);
1064 #if defined(CONFIG_CMD_NET)
1065 if ((s = getenv ("bootfile")) != NULL) {
1066 copy_filename (BootFile, s, sizeof (BootFile));
1072 #if defined(CONFIG_CMD_SCSI)
1078 #if defined(CONFIG_CMD_DOC)
1084 #if defined(CONFIG_CMD_NET)
1085 #if defined(CONFIG_NET_MULTI)
1089 eth_initialize (bd);
1092 #if defined(CONFIG_CMD_NET) && ( \
1093 defined(CONFIG_CCM) || \
1094 defined(CONFIG_ELPT860) || \
1095 defined(CONFIG_EP8260) || \
1096 defined(CONFIG_IP860) || \
1097 defined(CONFIG_IVML24) || \
1098 defined(CONFIG_IVMS8) || \
1099 defined(CONFIG_MPC8260ADS) || \
1100 defined(CONFIG_MPC8266ADS) || \
1101 defined(CONFIG_MPC8560ADS) || \
1102 defined(CONFIG_PCU_E) || \
1103 defined(CONFIG_RPXSUPER) || \
1104 defined(CONFIG_STXGP3) || \
1105 defined(CONFIG_SPD823TS) || \
1106 defined(CONFIG_RESET_PHY_R) )
1109 debug ("Reset Ethernet PHY\n");
1114 post_run (NULL, POST_RAM | post_bootmode_get(0));
1117 #if defined(CONFIG_CMD_PCMCIA) \
1118 && !defined(CONFIG_CMD_IDE)
1124 #if defined(CONFIG_CMD_IDE)
1126 # ifdef CONFIG_IDE_8xx_PCCARD
1131 #if defined(CONFIG_START_IDE)
1132 if (board_start_ide())
1139 #ifdef CONFIG_LAST_STAGE_INIT
1142 * Some parts can be only initialized if all others (like
1143 * Interrupts) are up and running (i.e. the PC-style ISA
1149 #if defined(CONFIG_CMD_BEDBUG)
1154 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1156 * Export available size of memory for Linux,
1157 * taking into account the protected RAM at top of memory
1165 if ((s = getenv ("pram")) != NULL) {
1166 pram = simple_strtoul (s, NULL, 10);
1173 #ifdef CONFIG_LOGBUFFER
1174 #ifndef CONFIG_ALT_LB_ADDR
1175 /* Also take the logbuffer into account (pram is in kB) */
1176 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1179 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1180 setenv ("mem", (char *)memsz);
1184 #ifdef CONFIG_PS2KBD
1189 #ifdef CONFIG_MODEM_SUPPORT
1191 extern int do_mdm_init;
1192 do_mdm_init = gd->do_mdm_init;
1196 /* Initialization complete - start the monitor */
1198 /* main_loop() can return to retry autoboot, if so just run it again. */
1204 /* NOTREACHED - no way out of command loop except booting */
1209 puts ("### ERROR ### Please RESET the board ###\n");
1210 show_boot_progress(-30);
1214 #ifdef CONFIG_MODEM_SUPPORT
1215 /* called from main loop (common/main.c) */
1216 /* 'inline' - We have to do it fast */
1217 static inline void mdm_readline(char *buf, int bufsiz)
1228 /* dbg("(%c)", c); */
1240 return; /* sanity check */
1249 extern void dbg(const char *fmt, ...);
1255 extern char console_buffer[];
1256 extern void enable_putc(void);
1257 extern int hwflow_onoff(int);
1259 enable_putc(); /* enable serial_putc() */
1261 #ifdef CONFIG_HWFLOW
1262 init_str = getenv("mdm_flow_control");
1263 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1270 sprintf(env_str, "mdm_init%d", i);
1271 if ((init_str = getenv(env_str)) != NULL) {
1272 serial_puts(init_str);
1275 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1276 dbg("ini%d: [%s]", i, console_buffer);
1278 if ((strcmp(console_buffer, "OK") == 0) ||
1279 (strcmp(console_buffer, "ERROR") == 0)) {
1280 dbg("ini%d: cmd done", i);
1282 } else /* in case we are originating call ... */
1283 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1284 dbg("ini%d: connect", i);
1289 break; /* no init string - stop modem init */
1296 /* final stage - wait for connect */
1297 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1298 message from modem */
1299 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1300 dbg("ini_f: [%s]", console_buffer);
1301 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1302 dbg("ini_f: connected");
1312 #if 0 /* We could use plain global data, but the resulting code is bigger */
1314 * Pointer to initial global data area
1316 * Here we initialize it.
1318 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1319 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1320 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1323 /************************************************************************/