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>
51 #ifdef CONFIG_GENERIC_MMC
55 #ifdef CONFIG_SYS_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(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CONFIG_ADDR_MAP
82 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
83 extern int update_flash_size (int flash_size);
86 #if defined(CONFIG_SC3)
87 extern void sc3_read_eeprom(void);
90 #if defined(CONFIG_CMD_DOC)
93 #if defined(CONFIG_HARD_I2C) || \
94 defined(CONFIG_SOFT_I2C)
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(CONFIG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
115 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
116 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
117 defined(CONFIG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
120 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
123 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
124 #define CONFIG_SYS_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 = CONFIG_SYS_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);
176 * All attempts to come up with a "common" initialization sequence
177 * that works for all boards and architectures failed: some of the
178 * requirements are just _too_ different. To get rid of the resulting
179 * mess of board dependend #ifdef'ed code we now make the whole
180 * initialization sequence configurable to the user.
182 * The requirements for any new initalization function is simple: it
183 * receives a pointer to the "global data" structure as it's only
184 * argument, and returns an integer return code, where 0 means
185 * "continue" and != 0 means "fatal error, hang the system".
187 typedef int (init_fnc_t) (void);
189 /************************************************************************
191 ************************************************************************
192 * Some of this code should be moved into the core functions,
193 * but let's get it working (again) first...
196 static int init_baudrate (void)
198 char tmp[64]; /* long enough for environment variables */
199 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
201 gd->baudrate = (i > 0)
202 ? (int) simple_strtoul (tmp, NULL, 10)
207 /***********************************************************************/
209 void __board_add_ram_info(int use_default)
211 /* please define platform specific board_add_ram_info() */
213 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
216 static int init_func_ram (void)
218 #ifdef CONFIG_BOARD_TYPES
219 int board_type = gd->board_type;
221 int board_type = 0; /* use dummy arg */
225 if ((gd->ram_size = initdram (board_type)) > 0) {
226 print_size (gd->ram_size, "");
227 board_add_ram_info(0);
235 /***********************************************************************/
237 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
238 static int init_func_i2c (void)
241 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
247 #if defined(CONFIG_HARD_SPI)
248 static int init_func_spi (void)
257 /***********************************************************************/
259 #if defined(CONFIG_WATCHDOG)
260 static int init_func_watchdog_init (void)
262 puts (" Watchdog enabled\n");
266 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
268 static int init_func_watchdog_reset (void)
273 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
275 # define INIT_FUNC_WATCHDOG_INIT /* undef */
276 # define INIT_FUNC_WATCHDOG_RESET /* undef */
277 #endif /* CONFIG_WATCHDOG */
279 /************************************************************************
280 * Initialization sequence *
281 ************************************************************************
284 init_fnc_t *init_sequence[] = {
286 #if defined(CONFIG_BOARD_EARLY_INIT_F)
290 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
291 get_clocks, /* get CPU and bus clocks (etc.) */
292 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
293 && !defined(CONFIG_TQM885D)
294 adjust_sdram_tbs_8xx,
298 #ifdef CONFIG_SYS_ALLOC_DPRAM
299 #if !defined(CONFIG_CPM2)
303 #if defined(CONFIG_BOARD_POSTCLK_INIT)
307 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
308 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
309 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
316 #if defined(CONFIG_8260)
319 #endif /* CONFIG_8260 */
320 #if defined(CONFIG_MPC83XX)
324 #if defined(CONFIG_MPC5xxx)
326 #endif /* CONFIG_MPC5xxx */
327 #if defined(CONFIG_MPC8220)
331 INIT_FUNC_WATCHDOG_INIT
332 #if defined(CONFIG_MISC_INIT_F)
335 INIT_FUNC_WATCHDOG_RESET
336 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
339 #if defined(CONFIG_HARD_SPI)
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_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83XX)
740 icache_enable (); /* it's time to enable the instruction cache */
743 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
744 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
747 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
749 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
750 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
755 #if defined(CONFIG_BAB7xx)
757 * Initialise the ISA bridge
759 initialise_w83c553f ();
762 asm ("sync ; isync");
764 #if !defined(CONFIG_SYS_NO_FLASH)
767 if ((flash_size = flash_init ()) > 0) {
768 # ifdef CONFIG_SYS_FLASH_CHECKSUM
769 print_size (flash_size, "");
771 * Compute and print flash CRC if flashchecksum is set to 'y'
773 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
775 s = getenv ("flashchecksum");
776 if (s && (*s == 'y')) {
777 printf (" CRC: %08X",
778 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
782 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
783 print_size (flash_size, "\n");
784 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
790 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
791 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
793 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
794 /* Make a update of the Memctrl. */
795 update_flash_size (flash_size);
799 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
800 /* flash mapped at end of memory map */
801 bd->bi_flashoffset = TEXT_BASE + flash_size;
802 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
803 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
805 bd->bi_flashoffset = 0;
807 #else /* CONFIG_SYS_NO_FLASH */
809 bd->bi_flashsize = 0;
810 bd->bi_flashstart = 0;
811 bd->bi_flashoffset = 0;
812 #endif /* !CONFIG_SYS_NO_FLASH */
816 /* initialize higher level parts of CPU like time base and timers */
821 /* initialize malloc() area */
826 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
832 #if defined(CONFIG_CMD_NAND)
835 nand_init(); /* go init the NAND */
838 /* relocate environment function pointers etc. */
842 * Fill in missing fields of bd_info.
843 * We do this here, where we have "normal" access to the
844 * environment; we used to do this still running from ROM,
845 * where had to use getenv_r(), which can be pretty slow when
846 * the environment is in EEPROM.
849 #if defined(CONFIG_SYS_EXTBDINFO)
850 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
851 #if defined(CONFIG_I2CFAST)
853 * set bi_iic_fast for linux taking environment variable
854 * "i2cfast" into account
857 char *s = getenv ("i2cfast");
858 if (s && ((*s == 'y') || (*s == 'Y'))) {
859 bd->bi_iic_fast[0] = 1;
860 bd->bi_iic_fast[1] = 1;
862 bd->bi_iic_fast[0] = 0;
863 bd->bi_iic_fast[1] = 0;
867 bd->bi_iic_fast[0] = 0;
868 bd->bi_iic_fast[1] = 0;
869 #endif /* CONFIG_I2CFAST */
870 #endif /* CONFIG_405GP, CONFIG_405EP */
871 #endif /* CONFIG_SYS_EXTBDINFO */
873 #if defined(CONFIG_SC3)
877 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
878 mac_read_from_eeprom();
881 s = getenv ("ethaddr");
882 #if defined (CONFIG_MBX) || \
883 defined (CONFIG_RPXCLASSIC) || \
884 defined(CONFIG_IAD210) || \
887 board_get_enetaddr (bd->bi_enetaddr);
890 for (i = 0; i < 6; ++i) {
891 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
893 s = (*e) ? e + 1 : e;
896 if ((gd->board_type >> 16) == 2)
897 bd->bi_ethspeed = gd->board_type & 0xFFFF;
899 bd->bi_ethspeed = 0xFFFF;
903 load_sernum_ethaddr ();
906 #ifdef CONFIG_HAS_ETH1
907 /* handle the 2nd ethernet address */
909 s = getenv ("eth1addr");
911 for (i = 0; i < 6; ++i) {
912 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
914 s = (*e) ? e + 1 : e;
917 #ifdef CONFIG_HAS_ETH2
918 /* handle the 3rd ethernet address */
920 s = getenv ("eth2addr");
921 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
923 board_get_enetaddr(bd->bi_enet2addr);
926 for (i = 0; i < 6; ++i) {
927 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
929 s = (*e) ? e + 1 : e;
933 #ifdef CONFIG_HAS_ETH3
934 /* handle 4th ethernet address */
935 s = getenv("eth3addr");
936 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
938 board_get_enetaddr(bd->bi_enet3addr);
941 for (i = 0; i < 6; ++i) {
942 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
944 s = (*e) ? e + 1 : e;
948 #ifdef CONFIG_HAS_ETH4
949 /* handle 5th ethernet address */
950 s = getenv("eth4addr");
951 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
953 board_get_enetaddr(bd->bi_enet4addr);
956 for (i = 0; i < 6; ++i) {
957 bd->bi_enet4addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
959 s = (*e) ? e + 1 : e;
963 #ifdef CONFIG_HAS_ETH5
964 /* handle 6th ethernet address */
965 s = getenv("eth5addr");
966 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
968 board_get_enetaddr(bd->bi_enet5addr);
971 for (i = 0; i < 6; ++i) {
972 bd->bi_enet5addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
974 s = (*e) ? e + 1 : e;
978 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
979 defined(CONFIG_TQM8272) || \
980 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
981 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
982 load_sernum_ethaddr ();
985 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
989 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
991 * Do pci configuration
996 /** leave this here (after malloc(), environment and PCI are working) **/
997 /* Initialize devices */
1000 /* Initialize the jump table for applications */
1003 #if defined(CONFIG_API)
1004 /* Initialize API */
1008 /* Initialize the console (after the relocation and devices init) */
1011 #if defined(CONFIG_CCM) || \
1012 defined(CONFIG_COGENT) || \
1013 defined(CONFIG_CPCI405) || \
1014 defined(CONFIG_EVB64260) || \
1015 defined(CONFIG_KUP4K) || \
1016 defined(CONFIG_KUP4X) || \
1017 defined(CONFIG_LWMON) || \
1018 defined(CONFIG_PCU_E) || \
1019 defined(CONFIG_SC3) || \
1020 defined(CONFIG_W7O) || \
1021 defined(CONFIG_MISC_INIT_R)
1022 /* miscellaneous platform dependent initialisations */
1026 #ifdef CONFIG_HERMES
1027 if (bd->bi_ethspeed != 0xFFFF)
1028 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1031 #if defined(CONFIG_CMD_KGDB)
1037 debug ("U-Boot relocated to %08lx\n", dest_addr);
1044 /* Must happen after interrupts are initialized since
1045 * an irq handler gets installed
1047 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1048 serial_buffered_init();
1051 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1052 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1059 /* Initialize from environment */
1060 if ((s = getenv ("loadaddr")) != NULL) {
1061 load_addr = simple_strtoul (s, NULL, 16);
1063 #if defined(CONFIG_CMD_NET)
1064 if ((s = getenv ("bootfile")) != NULL) {
1065 copy_filename (BootFile, s, sizeof (BootFile));
1071 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
1074 #if defined(CONFIG_CMD_SCSI)
1080 #ifdef CONFIG_GENERIC_MMC
1083 mmc_initialize (bd);
1086 #if defined(CONFIG_CMD_DOC)
1092 #if defined(CONFIG_CMD_NET)
1093 #if defined(CONFIG_NET_MULTI)
1097 eth_initialize (bd);
1100 #if defined(CONFIG_CMD_NET) && ( \
1101 defined(CONFIG_CCM) || \
1102 defined(CONFIG_ELPT860) || \
1103 defined(CONFIG_EP8260) || \
1104 defined(CONFIG_IP860) || \
1105 defined(CONFIG_IVML24) || \
1106 defined(CONFIG_IVMS8) || \
1107 defined(CONFIG_MPC8260ADS) || \
1108 defined(CONFIG_MPC8266ADS) || \
1109 defined(CONFIG_MPC8560ADS) || \
1110 defined(CONFIG_PCU_E) || \
1111 defined(CONFIG_RPXSUPER) || \
1112 defined(CONFIG_STXGP3) || \
1113 defined(CONFIG_SPD823TS) || \
1114 defined(CONFIG_RESET_PHY_R) )
1117 debug ("Reset Ethernet PHY\n");
1122 post_run (NULL, POST_RAM | post_bootmode_get(0));
1125 #if defined(CONFIG_CMD_PCMCIA) \
1126 && !defined(CONFIG_CMD_IDE)
1132 #if defined(CONFIG_CMD_IDE)
1134 # ifdef CONFIG_IDE_8xx_PCCARD
1139 #if defined(CONFIG_START_IDE)
1140 if (board_start_ide())
1147 #ifdef CONFIG_LAST_STAGE_INIT
1150 * Some parts can be only initialized if all others (like
1151 * Interrupts) are up and running (i.e. the PC-style ISA
1157 #if defined(CONFIG_CMD_BEDBUG)
1162 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1164 * Export available size of memory for Linux,
1165 * taking into account the protected RAM at top of memory
1173 if ((s = getenv ("pram")) != NULL) {
1174 pram = simple_strtoul (s, NULL, 10);
1181 #ifdef CONFIG_LOGBUFFER
1182 #ifndef CONFIG_ALT_LB_ADDR
1183 /* Also take the logbuffer into account (pram is in kB) */
1184 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1187 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1188 setenv ("mem", (char *)memsz);
1192 #ifdef CONFIG_PS2KBD
1197 #ifdef CONFIG_MODEM_SUPPORT
1199 extern int do_mdm_init;
1200 do_mdm_init = gd->do_mdm_init;
1204 /* Initialization complete - start the monitor */
1206 /* main_loop() can return to retry autoboot, if so just run it again. */
1212 /* NOTREACHED - no way out of command loop except booting */
1217 puts ("### ERROR ### Please RESET the board ###\n");
1218 show_boot_progress(-30);
1222 #ifdef CONFIG_MODEM_SUPPORT
1223 /* called from main loop (common/main.c) */
1224 /* 'inline' - We have to do it fast */
1225 static inline void mdm_readline(char *buf, int bufsiz)
1236 /* dbg("(%c)", c); */
1248 return; /* sanity check */
1257 extern void dbg(const char *fmt, ...);
1263 extern char console_buffer[];
1264 extern void enable_putc(void);
1265 extern int hwflow_onoff(int);
1267 enable_putc(); /* enable serial_putc() */
1269 #ifdef CONFIG_HWFLOW
1270 init_str = getenv("mdm_flow_control");
1271 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1278 sprintf(env_str, "mdm_init%d", i);
1279 if ((init_str = getenv(env_str)) != NULL) {
1280 serial_puts(init_str);
1283 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1284 dbg("ini%d: [%s]", i, console_buffer);
1286 if ((strcmp(console_buffer, "OK") == 0) ||
1287 (strcmp(console_buffer, "ERROR") == 0)) {
1288 dbg("ini%d: cmd done", i);
1290 } else /* in case we are originating call ... */
1291 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1292 dbg("ini%d: connect", i);
1297 break; /* no init string - stop modem init */
1304 /* final stage - wait for connect */
1305 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1306 message from modem */
1307 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1308 dbg("ini_f: [%s]", console_buffer);
1309 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1310 dbg("ini_f: connected");
1320 #if 0 /* We could use plain global data, but the resulting code is bigger */
1322 * Pointer to initial global data area
1324 * Here we initialize it.
1326 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1327 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1328 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1331 /************************************************************************/