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)
93 #if defined(CONFIG_HARD_SPI)
98 static char *failed = "*** failed ***\n";
100 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
101 extern flash_info_t flash_info[];
104 #if defined(CONFIG_START_IDE)
105 extern int board_start_ide(void);
107 #include <environment.h>
109 DECLARE_GLOBAL_DATA_PTR;
111 #if defined(CFG_ENV_IS_EMBEDDED)
112 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
113 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
114 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
115 defined(CFG_ENV_IS_IN_NVRAM)
116 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
118 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
121 #if !defined(CFG_MEM_TOP_HIDE)
122 #define CFG_MEM_TOP_HIDE 0
125 extern ulong __init_end;
127 ulong monitor_flash_len;
129 #if defined(CONFIG_CMD_BEDBUG)
130 #include <bedbug/type.h>
134 * Begin and End of memory area for malloc(), and current "brk"
136 static ulong mem_malloc_start = 0;
137 static ulong mem_malloc_end = 0;
138 static ulong mem_malloc_brk = 0;
140 /************************************************************************
142 ************************************************************************
146 * The Malloc area is immediately below the monitor copy in DRAM
148 static void mem_malloc_init (void)
150 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
151 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
153 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
154 mem_malloc_brk = mem_malloc_start;
156 memset ((void *) mem_malloc_start,
158 mem_malloc_end - mem_malloc_start);
161 void *sbrk (ptrdiff_t increment)
163 ulong old = mem_malloc_brk;
164 ulong new = old + increment;
166 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
169 mem_malloc_brk = new;
170 return ((void *) old);
173 char *strmhz (char *buf, long hz)
179 l = sprintf (buf, "%ld", n);
180 m = (hz % 1000000L) / 1000L;
182 sprintf (buf + l, ".%03ld", m);
187 * All attempts to come up with a "common" initialization sequence
188 * that works for all boards and architectures failed: some of the
189 * requirements are just _too_ different. To get rid of the resulting
190 * mess of board dependend #ifdef'ed code we now make the whole
191 * initialization sequence configurable to the user.
193 * The requirements for any new initalization function is simple: it
194 * receives a pointer to the "global data" structure as it's only
195 * argument, and returns an integer return code, where 0 means
196 * "continue" and != 0 means "fatal error, hang the system".
198 typedef int (init_fnc_t) (void);
200 /************************************************************************
202 ************************************************************************
203 * Some of this code should be moved into the core functions,
204 * but let's get it working (again) first...
207 static int init_baudrate (void)
209 char tmp[64]; /* long enough for environment variables */
210 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
212 gd->baudrate = (i > 0)
213 ? (int) simple_strtoul (tmp, NULL, 10)
218 /***********************************************************************/
220 void __board_add_ram_info(int use_default)
222 /* please define platform specific board_add_ram_info() */
224 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
227 static int init_func_ram (void)
229 #ifdef CONFIG_BOARD_TYPES
230 int board_type = gd->board_type;
232 int board_type = 0; /* use dummy arg */
236 if ((gd->ram_size = initdram (board_type)) > 0) {
237 print_size (gd->ram_size, "");
238 board_add_ram_info(0);
246 /***********************************************************************/
248 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
249 static int init_func_i2c (void)
252 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
258 #if defined(CONFIG_HARD_SPI)
259 static int init_func_spi (void)
268 /***********************************************************************/
270 #if defined(CONFIG_WATCHDOG)
271 static int init_func_watchdog_init (void)
273 puts (" Watchdog enabled\n");
277 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
279 static int init_func_watchdog_reset (void)
284 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
286 # define INIT_FUNC_WATCHDOG_INIT /* undef */
287 # define INIT_FUNC_WATCHDOG_RESET /* undef */
288 #endif /* CONFIG_WATCHDOG */
290 /************************************************************************
291 * Initialization sequence *
292 ************************************************************************
295 init_fnc_t *init_sequence[] = {
297 #if defined(CONFIG_BOARD_EARLY_INIT_F)
301 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
302 get_clocks, /* get CPU and bus clocks (etc.) */
303 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
304 && !defined(CONFIG_TQM885D)
305 adjust_sdram_tbs_8xx,
309 #ifdef CFG_ALLOC_DPRAM
310 #if !defined(CONFIG_CPM2)
314 #if defined(CONFIG_BOARD_POSTCLK_INIT)
318 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
319 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
320 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
327 #if defined(CONFIG_8260)
330 #endif /* CONFIG_8260 */
331 #if defined(CONFIG_MPC83XX)
335 #if defined(CONFIG_MPC5xxx)
337 #endif /* CONFIG_MPC5xxx */
338 #if defined(CONFIG_MPC8220)
342 INIT_FUNC_WATCHDOG_INIT
343 #if defined(CONFIG_MISC_INIT_F)
346 INIT_FUNC_WATCHDOG_RESET
347 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
350 #if defined(CONFIG_HARD_SPI)
353 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
359 INIT_FUNC_WATCHDOG_RESET
361 #if defined(CFG_DRAM_TEST)
363 #endif /* CFG_DRAM_TEST */
364 INIT_FUNC_WATCHDOG_RESET
366 NULL, /* Terminate this list */
369 #ifndef CONFIG_MAX_MEM_MAPPED
370 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
372 ulong get_effective_memsize(void)
374 #ifndef CONFIG_VERY_BIG_RAM
377 /* limit stack to what we can reasonable map */
378 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
379 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
383 /************************************************************************
385 * This is the first part of the initialization sequence that is
386 * implemented in C, but still running from ROM.
388 * The main purpose is to provide a (serial) console interface as
389 * soon as possible (so we can see any error messages), and to
390 * initialize the RAM so that we can relocate the monitor code to
393 * Be aware of the restrictions: global data is read-only, BSS is not
394 * initialized, and stack space is limited to a few kB.
396 ************************************************************************
399 #ifdef CONFIG_LOGBUFFER
400 unsigned long logbuffer_base(void)
402 return CFG_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
406 void board_init_f (ulong bootflag)
409 ulong len, addr, addr_sp;
412 init_fnc_t **init_fnc_ptr;
416 uchar tmp[64]; /* long enough for environment variables */
419 /* Pointer is writable since we allocated a register for it */
420 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
421 /* compiler optimization barrier needed for GCC >= 3.4 */
422 __asm__ __volatile__("": : :"memory");
424 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
425 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
426 /* Clear initial global data */
427 memset ((void *) gd, 0, sizeof (gd_t));
430 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
431 if ((*init_fnc_ptr) () != 0) {
437 * Now that we have DRAM mapped and working, we can
438 * relocate the code and continue running from DRAM.
440 * Reserve memory at end of RAM for (top down in that order):
441 * - area that won't get touched by U-Boot and Linux (optional)
442 * - kernel log buffer
446 * - board info struct
448 len = (ulong)&_end - CFG_MONITOR_BASE;
451 * Subtract specified amount of memory to hide so that it won't
452 * get "touched" at all by U-Boot. By fixing up gd->ram_size
453 * the Linux kernel should now get passed the now "corrected"
454 * memory size and won't touch it either. This should work
455 * for arch/ppc and arch/powerpc. Only Linux board ports in
456 * arch/powerpc with bootwrapper support, that recalculate the
457 * memory size from the SDRAM controller setup will have to
460 gd->ram_size -= CFG_MEM_TOP_HIDE;
462 addr = CFG_SDRAM_BASE + get_effective_memsize();
464 #ifdef CONFIG_LOGBUFFER
465 #ifndef CONFIG_ALT_LB_ADDR
466 /* reserve kernel log buffer */
467 addr -= (LOGBUFF_RESERVE);
468 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
474 * reserve protected RAM
476 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
477 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
478 addr -= (reg << 10); /* size is in kB */
479 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
480 #endif /* CONFIG_PRAM */
482 /* round down to next 4 kB limit */
484 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
487 /* reserve memory for LCD display (always full pages) */
488 addr = lcd_setmem (addr);
490 #endif /* CONFIG_LCD */
492 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
493 /* reserve memory for video display (always full pages) */
494 addr = video_setmem (addr);
496 #endif /* CONFIG_VIDEO */
499 * reserve memory for U-Boot code, data & bss
500 * round down to next 4 kB limit
505 /* round down to next 64 kB limit so that IVPR stays aligned */
506 addr &= ~(65536 - 1);
509 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
511 #ifdef CONFIG_AMIGAONEG3SE
512 gd->relocaddr = addr;
516 * reserve memory for malloc() arena
518 addr_sp = addr - TOTAL_MALLOC_LEN;
519 debug ("Reserving %dk for malloc() at: %08lx\n",
520 TOTAL_MALLOC_LEN >> 10, addr_sp);
523 * (permanently) allocate a Board Info struct
524 * and a permanent copy of the "global" data
526 addr_sp -= sizeof (bd_t);
527 bd = (bd_t *) addr_sp;
529 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
530 sizeof (bd_t), addr_sp);
531 addr_sp -= sizeof (gd_t);
532 id = (gd_t *) addr_sp;
533 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
534 sizeof (gd_t), addr_sp);
537 * Finally, we set up a new (bigger) stack.
539 * Leave some safety gap for SP, force alignment on 16 byte boundary
540 * Clear initial stack frame
544 s = (ulong *)addr_sp;
548 debug ("Stack Pointer at: %08lx\n", addr_sp);
551 * Save local variables to board info struct
554 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
555 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
558 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
559 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
560 #elif defined CONFIG_MPC8220
561 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
562 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
564 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
565 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
568 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
569 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
570 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
572 #if defined(CONFIG_MPC5xxx)
573 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
575 #if defined(CONFIG_MPC83XX)
576 bd->bi_immrbar = CFG_IMMR;
578 #if defined(CONFIG_MPC8220)
579 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
580 bd->bi_inpfreq = gd->inp_clk;
581 bd->bi_pcifreq = gd->pci_clk;
582 bd->bi_vcofreq = gd->vco_clk;
583 bd->bi_pevfreq = gd->pev_clk;
584 bd->bi_flbfreq = gd->flb_clk;
586 /* store bootparam to sram (backward compatible), here? */
588 u32 *sram = (u32 *)CFG_SRAM_BASE;
589 *sram++ = gd->ram_size;
590 *sram++ = gd->bus_clk;
591 *sram++ = gd->inp_clk;
592 *sram++ = gd->cpu_clk;
593 *sram++ = gd->vco_clk;
594 *sram++ = gd->flb_clk;
595 *sram++ = 0xb8c3ba11; /* boot signature */
599 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
602 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
603 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
604 #if defined(CONFIG_CPM2)
605 bd->bi_cpmfreq = gd->cpm_clk;
606 bd->bi_brgfreq = gd->brg_clk;
607 bd->bi_sccfreq = gd->scc_clk;
608 bd->bi_vco = gd->vco_out;
609 #endif /* CONFIG_CPM2 */
610 #if defined(CONFIG_MPC512X)
611 bd->bi_ipsfreq = gd->ips_clk;
612 #endif /* CONFIG_MPC512X */
613 #if defined(CONFIG_MPC5xxx)
614 bd->bi_ipbfreq = gd->ipb_clk;
615 bd->bi_pcifreq = gd->pci_clk;
616 #endif /* CONFIG_MPC5xxx */
617 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
620 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
621 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
623 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
624 bd->bi_plb_busfreq = gd->bus_clk;
625 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
626 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
627 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
628 bd->bi_pci_busfreq = get_PCI_freq ();
629 bd->bi_opbfreq = get_OPB_freq ();
630 #elif defined(CONFIG_XILINX_ML300)
631 bd->bi_pci_busfreq = get_PCI_freq ();
635 debug ("New Stack Pointer is: %08lx\n", addr_sp);
640 post_bootmode_init();
641 post_run (NULL, POST_ROM | post_bootmode_get(0));
646 memcpy (id, (void *)gd, sizeof (gd_t));
648 relocate_code (addr_sp, id, addr);
650 /* NOTREACHED - relocate_code() does not return */
653 /************************************************************************
655 * This is the next part if the initialization sequence: we are now
656 * running from RAM and have a "normal" C environment, i. e. global
657 * data can be written, BSS has been cleared, the stack size in not
658 * that critical any more, etc.
660 ************************************************************************
662 void board_init_r (gd_t *id, ulong dest_addr)
668 extern void malloc_bin_reloc (void);
669 #ifndef CFG_ENV_IS_NOWHERE
670 extern char * env_name_spec;
677 gd = id; /* initialize RAM version of global data */
680 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
682 #if defined(CONFIG_RELOC_FIXUP_WORKS)
684 mem_malloc_end = dest_addr;
686 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
689 #ifdef CONFIG_SERIAL_MULTI
693 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
697 #if defined(CONFIG_BOARD_EARLY_INIT_R)
698 board_early_init_r ();
701 monitor_flash_len = (ulong)&__init_end - dest_addr;
704 * We have to relocate the command table manually
706 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
708 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
710 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
711 cmdtp->name, (ulong) (cmdtp->cmd), addr);
714 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
716 addr = (ulong)(cmdtp->name) + gd->reloc_off;
717 cmdtp->name = (char *)addr;
720 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
721 cmdtp->usage = (char *)addr;
725 addr = (ulong)(cmdtp->help) + gd->reloc_off;
726 cmdtp->help = (char *)addr;
730 /* there are some other pointer constants we must deal with */
731 #ifndef CFG_ENV_IS_NOWHERE
732 env_name_spec += gd->reloc_off;
737 #ifdef CONFIG_LOGBUFFER
738 logbuff_init_ptrs ();
741 post_output_backlog ();
747 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
748 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
749 icache_enable (); /* it's time to enable the instruction cache */
752 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
753 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
756 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
758 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
759 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
764 #if defined(CONFIG_BAB7xx)
766 * Initialise the ISA bridge
768 initialise_w83c553f ();
771 asm ("sync ; isync");
774 * Setup trap handlers
776 trap_init (dest_addr);
778 #if !defined(CFG_NO_FLASH)
781 if ((flash_size = flash_init ()) > 0) {
782 # ifdef CFG_FLASH_CHECKSUM
783 print_size (flash_size, "");
785 * Compute and print flash CRC if flashchecksum is set to 'y'
787 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
789 s = getenv ("flashchecksum");
790 if (s && (*s == 'y')) {
791 printf (" CRC: %08lX",
792 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
796 # else /* !CFG_FLASH_CHECKSUM */
797 print_size (flash_size, "\n");
798 # endif /* CFG_FLASH_CHECKSUM */
804 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
805 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
807 #if defined(CFG_UPDATE_FLASH_SIZE)
808 /* Make a update of the Memctrl. */
809 update_flash_size (flash_size);
813 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
814 /* flash mapped at end of memory map */
815 bd->bi_flashoffset = TEXT_BASE + flash_size;
816 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
817 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
819 bd->bi_flashoffset = 0;
821 #else /* CFG_NO_FLASH */
823 bd->bi_flashsize = 0;
824 bd->bi_flashstart = 0;
825 bd->bi_flashoffset = 0;
826 #endif /* !CFG_NO_FLASH */
830 /* initialize higher level parts of CPU like time base and timers */
835 /* initialize malloc() area */
840 # if !defined(CFG_ENV_IS_IN_EEPROM)
846 #if defined(CONFIG_CMD_NAND)
849 nand_init(); /* go init the NAND */
852 /* relocate environment function pointers etc. */
856 * Fill in missing fields of bd_info.
857 * We do this here, where we have "normal" access to the
858 * environment; we used to do this still running from ROM,
859 * where had to use getenv_r(), which can be pretty slow when
860 * the environment is in EEPROM.
863 #if defined(CFG_EXTBDINFO)
864 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
865 #if defined(CONFIG_I2CFAST)
867 * set bi_iic_fast for linux taking environment variable
868 * "i2cfast" into account
871 char *s = getenv ("i2cfast");
872 if (s && ((*s == 'y') || (*s == 'Y'))) {
873 bd->bi_iic_fast[0] = 1;
874 bd->bi_iic_fast[1] = 1;
876 bd->bi_iic_fast[0] = 0;
877 bd->bi_iic_fast[1] = 0;
881 bd->bi_iic_fast[0] = 0;
882 bd->bi_iic_fast[1] = 0;
883 #endif /* CONFIG_I2CFAST */
884 #endif /* CONFIG_405GP, CONFIG_405EP */
885 #endif /* CFG_EXTBDINFO */
887 #if defined(CONFIG_SC3)
891 #if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
892 mac_read_from_eeprom();
895 s = getenv ("ethaddr");
896 #if defined (CONFIG_MBX) || \
897 defined (CONFIG_RPXCLASSIC) || \
898 defined(CONFIG_IAD210) || \
901 board_get_enetaddr (bd->bi_enetaddr);
904 for (i = 0; i < 6; ++i) {
905 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
907 s = (*e) ? e + 1 : e;
910 if ((gd->board_type >> 16) == 2)
911 bd->bi_ethspeed = gd->board_type & 0xFFFF;
913 bd->bi_ethspeed = 0xFFFF;
917 load_sernum_ethaddr ();
920 #ifdef CONFIG_HAS_ETH1
921 /* handle the 2nd ethernet address */
923 s = getenv ("eth1addr");
925 for (i = 0; i < 6; ++i) {
926 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
928 s = (*e) ? e + 1 : e;
931 #ifdef CONFIG_HAS_ETH2
932 /* handle the 3rd ethernet address */
934 s = getenv ("eth2addr");
935 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
937 board_get_enetaddr(bd->bi_enet2addr);
940 for (i = 0; i < 6; ++i) {
941 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
943 s = (*e) ? e + 1 : e;
947 #ifdef CONFIG_HAS_ETH3
948 /* handle 4th ethernet address */
949 s = getenv("eth3addr");
950 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
952 board_get_enetaddr(bd->bi_enet3addr);
955 for (i = 0; i < 6; ++i) {
956 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
958 s = (*e) ? e + 1 : e;
962 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
963 defined(CONFIG_TQM8272) || \
964 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
965 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
966 load_sernum_ethaddr ();
969 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
973 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
975 * Do pci configuration
980 /** leave this here (after malloc(), environment and PCI are working) **/
981 /* Initialize devices */
984 /* Initialize the jump table for applications */
987 #if defined(CONFIG_API)
992 /* Initialize the console (after the relocation and devices init) */
995 #if defined(CONFIG_CCM) || \
996 defined(CONFIG_COGENT) || \
997 defined(CONFIG_CPCI405) || \
998 defined(CONFIG_EVB64260) || \
999 defined(CONFIG_KUP4K) || \
1000 defined(CONFIG_KUP4X) || \
1001 defined(CONFIG_LWMON) || \
1002 defined(CONFIG_PCU_E) || \
1003 defined(CONFIG_SC3) || \
1004 defined(CONFIG_W7O) || \
1005 defined(CONFIG_MISC_INIT_R)
1006 /* miscellaneous platform dependent initialisations */
1010 #ifdef CONFIG_HERMES
1011 if (bd->bi_ethspeed != 0xFFFF)
1012 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1015 #if defined(CONFIG_CMD_KGDB)
1021 debug ("U-Boot relocated to %08lx\n", dest_addr);
1028 /* Must happen after interrupts are initialized since
1029 * an irq handler gets installed
1031 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1032 serial_buffered_init();
1035 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1036 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1043 /* Initialize from environment */
1044 if ((s = getenv ("loadaddr")) != NULL) {
1045 load_addr = simple_strtoul (s, NULL, 16);
1047 #if defined(CONFIG_CMD_NET)
1048 if ((s = getenv ("bootfile")) != NULL) {
1049 copy_filename (BootFile, s, sizeof (BootFile));
1055 #if defined(CONFIG_CMD_SCSI)
1061 #if defined(CONFIG_CMD_DOC)
1067 #if defined(CONFIG_CMD_NET)
1068 #if defined(CONFIG_NET_MULTI)
1072 eth_initialize (bd);
1075 #if defined(CONFIG_CMD_NET) && ( \
1076 defined(CONFIG_CCM) || \
1077 defined(CONFIG_ELPT860) || \
1078 defined(CONFIG_EP8260) || \
1079 defined(CONFIG_IP860) || \
1080 defined(CONFIG_IVML24) || \
1081 defined(CONFIG_IVMS8) || \
1082 defined(CONFIG_MPC8260ADS) || \
1083 defined(CONFIG_MPC8266ADS) || \
1084 defined(CONFIG_MPC8560ADS) || \
1085 defined(CONFIG_PCU_E) || \
1086 defined(CONFIG_RPXSUPER) || \
1087 defined(CONFIG_STXGP3) || \
1088 defined(CONFIG_SPD823TS) || \
1089 defined(CONFIG_RESET_PHY_R) )
1092 debug ("Reset Ethernet PHY\n");
1097 post_run (NULL, POST_RAM | post_bootmode_get(0));
1100 #if defined(CONFIG_CMD_PCMCIA) \
1101 && !defined(CONFIG_CMD_IDE)
1107 #if defined(CONFIG_CMD_IDE)
1109 # ifdef CONFIG_IDE_8xx_PCCARD
1114 #if defined(CONFIG_START_IDE)
1115 if (board_start_ide())
1122 #if defined(CONFIG_CMD_SATA)
1127 #ifdef CONFIG_LAST_STAGE_INIT
1130 * Some parts can be only initialized if all others (like
1131 * Interrupts) are up and running (i.e. the PC-style ISA
1137 #if defined(CONFIG_CMD_BEDBUG)
1142 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1144 * Export available size of memory for Linux,
1145 * taking into account the protected RAM at top of memory
1153 if ((s = getenv ("pram")) != NULL) {
1154 pram = simple_strtoul (s, NULL, 10);
1161 #ifdef CONFIG_LOGBUFFER
1162 #ifndef CONFIG_ALT_LB_ADDR
1163 /* Also take the logbuffer into account (pram is in kB) */
1164 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1167 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1168 setenv ("mem", (char *)memsz);
1172 #ifdef CONFIG_PS2KBD
1177 #ifdef CONFIG_MODEM_SUPPORT
1179 extern int do_mdm_init;
1180 do_mdm_init = gd->do_mdm_init;
1184 /* Initialization complete - start the monitor */
1186 /* main_loop() can return to retry autoboot, if so just run it again. */
1192 /* NOTREACHED - no way out of command loop except booting */
1197 puts ("### ERROR ### Please RESET the board ###\n");
1198 show_boot_progress(-30);
1202 #ifdef CONFIG_MODEM_SUPPORT
1203 /* called from main loop (common/main.c) */
1204 /* 'inline' - We have to do it fast */
1205 static inline void mdm_readline(char *buf, int bufsiz)
1216 /* dbg("(%c)", c); */
1228 return; /* sanity check */
1237 extern void dbg(const char *fmt, ...);
1243 extern char console_buffer[];
1244 extern void enable_putc(void);
1245 extern int hwflow_onoff(int);
1247 enable_putc(); /* enable serial_putc() */
1249 #ifdef CONFIG_HWFLOW
1250 init_str = getenv("mdm_flow_control");
1251 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1258 sprintf(env_str, "mdm_init%d", i);
1259 if ((init_str = getenv(env_str)) != NULL) {
1260 serial_puts(init_str);
1263 mdm_readline(console_buffer, CFG_CBSIZE);
1264 dbg("ini%d: [%s]", i, console_buffer);
1266 if ((strcmp(console_buffer, "OK") == 0) ||
1267 (strcmp(console_buffer, "ERROR") == 0)) {
1268 dbg("ini%d: cmd done", i);
1270 } else /* in case we are originating call ... */
1271 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1272 dbg("ini%d: connect", i);
1277 break; /* no init string - stop modem init */
1284 /* final stage - wait for connect */
1285 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1286 message from modem */
1287 mdm_readline(console_buffer, CFG_CBSIZE);
1288 dbg("ini_f: [%s]", console_buffer);
1289 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1290 dbg("ini_f: connected");
1300 #if 0 /* We could use plain global data, but the resulting code is bigger */
1302 * Pointer to initial global data area
1304 * Here we initialize it.
1306 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1307 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1308 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1311 /************************************************************************/