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 (CONFIG_COMMANDS & CFG_CMD_IDE)
41 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
44 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
52 #ifdef CFG_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(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
69 #include <asm/cache.h>
75 #ifdef CFG_UPDATE_FLASH_SIZE
76 extern int update_flash_size (int flash_size);
79 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
82 #if defined(CONFIG_HARD_I2C) || \
83 defined(CONFIG_SOFT_I2C)
86 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
87 void nand_init (void);
90 static char *failed = "*** failed ***\n";
92 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
93 extern flash_info_t flash_info[];
96 #include <environment.h>
98 DECLARE_GLOBAL_DATA_PTR;
100 #if defined(CFG_ENV_IS_EMBEDDED)
101 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
102 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
103 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
104 defined(CFG_ENV_IS_IN_NVRAM)
105 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
107 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
110 extern ulong __init_end;
112 ulong monitor_flash_len;
114 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
115 #include <bedbug/type.h>
119 * Begin and End of memory area for malloc(), and current "brk"
121 static ulong mem_malloc_start = 0;
122 static ulong mem_malloc_end = 0;
123 static ulong mem_malloc_brk = 0;
125 /************************************************************************
127 ************************************************************************
131 * The Malloc area is immediately below the monitor copy in DRAM
133 static void mem_malloc_init (void)
135 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
137 mem_malloc_end = dest_addr;
138 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
139 mem_malloc_brk = mem_malloc_start;
141 memset ((void *) mem_malloc_start,
143 mem_malloc_end - mem_malloc_start);
146 void *sbrk (ptrdiff_t increment)
148 ulong old = mem_malloc_brk;
149 ulong new = old + increment;
151 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
154 mem_malloc_brk = new;
155 return ((void *) old);
158 char *strmhz (char *buf, long hz)
164 l = sprintf (buf, "%ld", n);
165 m = (hz % 1000000L) / 1000L;
167 sprintf (buf + l, ".%03ld", m);
172 * All attempts to come up with a "common" initialization sequence
173 * that works for all boards and architectures failed: some of the
174 * requirements are just _too_ different. To get rid of the resulting
175 * mess of board dependend #ifdef'ed code we now make the whole
176 * initialization sequence configurable to the user.
178 * The requirements for any new initalization function is simple: it
179 * receives a pointer to the "global data" structure as it's only
180 * argument, and returns an integer return code, where 0 means
181 * "continue" and != 0 means "fatal error, hang the system".
183 typedef int (init_fnc_t) (void);
185 /************************************************************************
187 ************************************************************************
188 * Some of this code should be moved into the core functions,
189 * but let's get it working (again) first...
192 static int init_baudrate (void)
194 char tmp[64]; /* long enough for environment variables */
195 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
197 gd->baudrate = (i > 0)
198 ? (int) simple_strtoul (tmp, NULL, 10)
203 /***********************************************************************/
205 #ifdef CONFIG_ADD_RAM_INFO
206 void board_add_ram_info(int);
209 static int init_func_ram (void)
211 #ifdef CONFIG_BOARD_TYPES
212 int board_type = gd->board_type;
214 int board_type = 0; /* use dummy arg */
218 if ((gd->ram_size = initdram (board_type)) > 0) {
219 print_size (gd->ram_size, "");
220 #ifdef CONFIG_ADD_RAM_INFO
221 board_add_ram_info(0);
230 /***********************************************************************/
232 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
233 static int init_func_i2c (void)
236 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
242 /***********************************************************************/
244 #if defined(CONFIG_WATCHDOG)
245 static int init_func_watchdog_init (void)
247 puts (" Watchdog enabled\n");
251 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
253 static int init_func_watchdog_reset (void)
258 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
260 # define INIT_FUNC_WATCHDOG_INIT /* undef */
261 # define INIT_FUNC_WATCHDOG_RESET /* undef */
262 #endif /* CONFIG_WATCHDOG */
264 /************************************************************************
265 * Initialization sequence *
266 ************************************************************************
269 init_fnc_t *init_sequence[] = {
271 #if defined(CONFIG_BOARD_EARLY_INIT_F)
275 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
276 get_clocks, /* get CPU and bus clocks (etc.) */
277 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
278 && !defined(CONFIG_TQM885D)
279 adjust_sdram_tbs_8xx,
283 #ifdef CFG_ALLOC_DPRAM
284 #if !defined(CONFIG_CPM2)
288 #if defined(CONFIG_BOARD_POSTCLK_INIT)
292 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
293 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
294 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
301 #if defined(CONFIG_8260)
304 #endif /* CONFIG_8260 */
306 #if defined(CONFIG_MPC83XX)
311 #if defined(CONFIG_MPC5xxx)
313 #endif /* CONFIG_MPC5xxx */
314 #if defined(CONFIG_MPC8220)
318 INIT_FUNC_WATCHDOG_INIT
319 #if defined(CONFIG_MISC_INIT_F)
322 INIT_FUNC_WATCHDOG_RESET
323 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
326 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
332 INIT_FUNC_WATCHDOG_RESET
334 #if defined(CFG_DRAM_TEST)
336 #endif /* CFG_DRAM_TEST */
337 INIT_FUNC_WATCHDOG_RESET
339 NULL, /* Terminate this list */
342 /************************************************************************
344 * This is the first part of the initialization sequence that is
345 * implemented in C, but still running from ROM.
347 * The main purpose is to provide a (serial) console interface as
348 * soon as possible (so we can see any error messages), and to
349 * initialize the RAM so that we can relocate the monitor code to
352 * Be aware of the restrictions: global data is read-only, BSS is not
353 * initialized, and stack space is limited to a few kB.
355 ************************************************************************
358 void board_init_f (ulong bootflag)
361 ulong len, addr, addr_sp;
364 init_fnc_t **init_fnc_ptr;
368 uchar tmp[64]; /* long enough for environment variables */
371 /* Pointer is writable since we allocated a register for it */
372 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
373 /* compiler optimization barrier needed for GCC >= 3.4 */
374 __asm__ __volatile__("": : :"memory");
376 #if !defined(CONFIG_CPM2)
377 /* Clear initial global data */
378 memset ((void *) gd, 0, sizeof (gd_t));
381 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
382 if ((*init_fnc_ptr) () != 0) {
388 * Now that we have DRAM mapped and working, we can
389 * relocate the code and continue running from DRAM.
391 * Reserve memory at end of RAM for (top down in that order):
392 * - kernel log buffer
396 * - board info struct
398 len = (ulong)&_end - CFG_MONITOR_BASE;
400 #ifndef CONFIG_VERY_BIG_RAM
401 addr = CFG_SDRAM_BASE + gd->ram_size;
403 /* only allow stack below 256M */
404 addr = CFG_SDRAM_BASE +
405 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
408 #ifdef CONFIG_LOGBUFFER
409 /* reserve kernel log buffer */
410 addr -= (LOGBUFF_RESERVE);
411 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
416 * reserve protected RAM
418 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
419 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
420 addr -= (reg << 10); /* size is in kB */
421 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
422 #endif /* CONFIG_PRAM */
424 /* round down to next 4 kB limit */
426 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
429 /* reserve memory for LCD display (always full pages) */
430 addr = lcd_setmem (addr);
432 #endif /* CONFIG_LCD */
434 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
435 /* reserve memory for video display (always full pages) */
436 addr = video_setmem (addr);
438 #endif /* CONFIG_VIDEO */
441 * reserve memory for U-Boot code, data & bss
442 * round down to next 4 kB limit
447 /* round down to next 64 kB limit so that IVPR stays aligned */
448 addr &= ~(65536 - 1);
451 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
453 #ifdef CONFIG_AMIGAONEG3SE
454 gd->relocaddr = addr;
458 * reserve memory for malloc() arena
460 addr_sp = addr - TOTAL_MALLOC_LEN;
461 debug ("Reserving %dk for malloc() at: %08lx\n",
462 TOTAL_MALLOC_LEN >> 10, addr_sp);
465 * (permanently) allocate a Board Info struct
466 * and a permanent copy of the "global" data
468 addr_sp -= sizeof (bd_t);
469 bd = (bd_t *) addr_sp;
471 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
472 sizeof (bd_t), addr_sp);
473 addr_sp -= sizeof (gd_t);
474 id = (gd_t *) addr_sp;
475 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
476 sizeof (gd_t), addr_sp);
479 * Finally, we set up a new (bigger) stack.
481 * Leave some safety gap for SP, force alignment on 16 byte boundary
482 * Clear initial stack frame
486 s = (ulong *)addr_sp;
490 debug ("Stack Pointer at: %08lx\n", addr_sp);
493 * Save local variables to board info struct
496 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
497 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
500 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
501 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
502 #elif defined CONFIG_MPC8220
503 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
504 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
506 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
507 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
510 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
511 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
512 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
514 #if defined(CONFIG_MPC5xxx)
515 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
517 #if defined(CONFIG_MPC83XX)
518 bd->bi_immrbar = CFG_IMMR;
520 #if defined(CONFIG_MPC8220)
521 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
522 bd->bi_inpfreq = gd->inp_clk;
523 bd->bi_pcifreq = gd->pci_clk;
524 bd->bi_vcofreq = gd->vco_clk;
525 bd->bi_pevfreq = gd->pev_clk;
526 bd->bi_flbfreq = gd->flb_clk;
528 /* store bootparam to sram (backward compatible), here? */
530 u32 *sram = (u32 *)CFG_SRAM_BASE;
531 *sram++ = gd->ram_size;
532 *sram++ = gd->bus_clk;
533 *sram++ = gd->inp_clk;
534 *sram++ = gd->cpu_clk;
535 *sram++ = gd->vco_clk;
536 *sram++ = gd->flb_clk;
537 *sram++ = 0xb8c3ba11; /* boot signature */
541 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
544 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
545 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
546 #if defined(CONFIG_CPM2)
547 bd->bi_cpmfreq = gd->cpm_clk;
548 bd->bi_brgfreq = gd->brg_clk;
549 bd->bi_sccfreq = gd->scc_clk;
550 bd->bi_vco = gd->vco_out;
551 #endif /* CONFIG_CPM2 */
552 #if defined(CONFIG_MPC5xxx)
553 bd->bi_ipbfreq = gd->ipb_clk;
554 bd->bi_pcifreq = gd->pci_clk;
555 #endif /* CONFIG_MPC5xxx */
556 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
559 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
560 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
562 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
563 bd->bi_plb_busfreq = gd->bus_clk;
564 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
565 bd->bi_pci_busfreq = get_PCI_freq ();
566 bd->bi_opbfreq = get_OPB_freq ();
567 #elif defined(CONFIG_XILINX_ML300)
568 bd->bi_pci_busfreq = get_PCI_freq ();
572 debug ("New Stack Pointer is: %08lx\n", addr_sp);
577 post_bootmode_init();
578 post_run (NULL, POST_ROM | post_bootmode_get(0));
583 memcpy (id, (void *)gd, sizeof (gd_t));
585 relocate_code (addr_sp, id, addr);
587 /* NOTREACHED - relocate_code() does not return */
590 /************************************************************************
592 * This is the next part if the initialization sequence: we are now
593 * running from RAM and have a "normal" C environment, i. e. global
594 * data can be written, BSS has been cleared, the stack size in not
595 * that critical any more, etc.
597 ************************************************************************
599 void board_init_r (gd_t *id, ulong dest_addr)
605 extern void malloc_bin_reloc (void);
606 #ifndef CFG_ENV_IS_NOWHERE
607 extern char * env_name_spec;
614 gd = id; /* initialize RAM version of global data */
617 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
618 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
620 #ifdef CONFIG_SERIAL_MULTI
624 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
628 #if defined(CONFIG_BOARD_EARLY_INIT_R)
629 board_early_init_r ();
632 monitor_flash_len = (ulong)&__init_end - dest_addr;
635 * We have to relocate the command table manually
637 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
639 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
641 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
642 cmdtp->name, (ulong) (cmdtp->cmd), addr);
645 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
647 addr = (ulong)(cmdtp->name) + gd->reloc_off;
648 cmdtp->name = (char *)addr;
651 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
652 cmdtp->usage = (char *)addr;
656 addr = (ulong)(cmdtp->help) + gd->reloc_off;
657 cmdtp->help = (char *)addr;
661 /* there are some other pointer constants we must deal with */
662 #ifndef CFG_ENV_IS_NOWHERE
663 env_name_spec += gd->reloc_off;
668 #ifdef CONFIG_LOGBUFFER
669 logbuff_init_ptrs ();
672 post_output_backlog ();
678 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
679 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
680 icache_enable (); /* it's time to enable the instruction cache */
683 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
684 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
687 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
689 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
690 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
695 #if defined(CONFIG_BAB7xx)
697 * Initialise the ISA bridge
699 initialise_w83c553f ();
702 asm ("sync ; isync");
705 * Setup trap handlers
707 trap_init (dest_addr);
709 #if !defined(CFG_NO_FLASH)
712 if ((flash_size = flash_init ()) > 0) {
713 # ifdef CFG_FLASH_CHECKSUM
714 print_size (flash_size, "");
716 * Compute and print flash CRC if flashchecksum is set to 'y'
718 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
720 s = getenv ("flashchecksum");
721 if (s && (*s == 'y')) {
722 printf (" CRC: %08lX",
723 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
727 # else /* !CFG_FLASH_CHECKSUM */
728 print_size (flash_size, "\n");
729 # endif /* CFG_FLASH_CHECKSUM */
735 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
736 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
738 #if defined(CFG_UPDATE_FLASH_SIZE)
739 /* Make a update of the Memctrl. */
740 update_flash_size (flash_size);
744 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
745 /* flash mapped at end of memory map */
746 bd->bi_flashoffset = TEXT_BASE + flash_size;
747 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
748 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
750 bd->bi_flashoffset = 0;
752 #else /* CFG_NO_FLASH */
754 bd->bi_flashsize = 0;
755 bd->bi_flashstart = 0;
756 bd->bi_flashoffset = 0;
757 #endif /* !CFG_NO_FLASH */
761 /* initialize higher level parts of CPU like time base and timers */
766 /* initialize malloc() area */
771 # if !defined(CFG_ENV_IS_IN_EEPROM)
777 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
780 nand_init(); /* go init the NAND */
783 /* relocate environment function pointers etc. */
787 * Fill in missing fields of bd_info.
788 * We do this here, where we have "normal" access to the
789 * environment; we used to do this still running from ROM,
790 * where had to use getenv_r(), which can be pretty slow when
791 * the environment is in EEPROM.
794 #if defined(CFG_EXTBDINFO)
795 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
796 #if defined(CONFIG_I2CFAST)
798 * set bi_iic_fast for linux taking environment variable
799 * "i2cfast" into account
802 char *s = getenv ("i2cfast");
803 if (s && ((*s == 'y') || (*s == 'Y'))) {
804 bd->bi_iic_fast[0] = 1;
805 bd->bi_iic_fast[1] = 1;
807 bd->bi_iic_fast[0] = 0;
808 bd->bi_iic_fast[1] = 0;
812 bd->bi_iic_fast[0] = 0;
813 bd->bi_iic_fast[1] = 0;
814 #endif /* CONFIG_I2CFAST */
815 #endif /* CONFIG_405GP, CONFIG_405EP */
816 #endif /* CFG_EXTBDINFO */
818 s = getenv ("ethaddr");
819 #if defined (CONFIG_MBX) || \
820 defined (CONFIG_RPXCLASSIC) || \
821 defined(CONFIG_IAD210) || \
824 board_get_enetaddr (bd->bi_enetaddr);
827 for (i = 0; i < 6; ++i) {
828 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
830 s = (*e) ? e + 1 : e;
833 if ((gd->board_type >> 16) == 2)
834 bd->bi_ethspeed = gd->board_type & 0xFFFF;
836 bd->bi_ethspeed = 0xFFFF;
840 load_sernum_ethaddr ();
843 #ifdef CONFIG_HAS_ETH1
844 /* handle the 2nd ethernet address */
846 s = getenv ("eth1addr");
848 for (i = 0; i < 6; ++i) {
849 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
851 s = (*e) ? e + 1 : e;
854 #ifdef CONFIG_HAS_ETH2
855 /* handle the 3rd ethernet address */
857 s = getenv ("eth2addr");
858 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
860 board_get_enetaddr(bd->bi_enet2addr);
863 for (i = 0; i < 6; ++i) {
864 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
866 s = (*e) ? e + 1 : e;
870 #ifdef CONFIG_HAS_ETH3
871 /* handle 4th ethernet address */
872 s = getenv("eth3addr");
873 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
875 board_get_enetaddr(bd->bi_enet3addr);
878 for (i = 0; i < 6; ++i) {
879 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
881 s = (*e) ? e + 1 : e;
886 mac_read_from_eeprom();
889 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
890 defined(CONFIG_TQM8272) || \
891 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
892 load_sernum_ethaddr ();
895 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
899 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
901 * Do pci configuration
906 /** leave this here (after malloc(), environment and PCI are working) **/
907 /* Initialize devices */
910 /* Initialize the jump table for applications */
913 /* Initialize the console (after the relocation and devices init) */
916 #if defined(CONFIG_CCM) || \
917 defined(CONFIG_COGENT) || \
918 defined(CONFIG_CPCI405) || \
919 defined(CONFIG_EVB64260) || \
920 defined(CONFIG_KUP4K) || \
921 defined(CONFIG_KUP4X) || \
922 defined(CONFIG_LWMON) || \
923 defined(CONFIG_PCU_E) || \
924 defined(CONFIG_W7O) || \
925 defined(CONFIG_MISC_INIT_R)
926 /* miscellaneous platform dependent initialisations */
931 if (bd->bi_ethspeed != 0xFFFF)
932 hermes_start_lxt980 ((int) bd->bi_ethspeed);
935 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
941 debug ("U-Boot relocated to %08lx\n", dest_addr);
948 /* Must happen after interrupts are initialized since
949 * an irq handler gets installed
951 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
952 serial_buffered_init();
955 #ifdef CONFIG_STATUS_LED
956 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
963 /* Initialize from environment */
964 if ((s = getenv ("loadaddr")) != NULL) {
965 load_addr = simple_strtoul (s, NULL, 16);
967 #if (CONFIG_COMMANDS & CFG_CMD_NET)
968 if ((s = getenv ("bootfile")) != NULL) {
969 copy_filename (BootFile, s, sizeof (BootFile));
971 #endif /* CFG_CMD_NET */
975 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
981 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
987 #if (CONFIG_COMMANDS & CFG_CMD_NET)
988 #if defined(CONFIG_NET_MULTI)
995 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
996 defined(CONFIG_CCM) || \
997 defined(CONFIG_ELPT860) || \
998 defined(CONFIG_EP8260) || \
999 defined(CONFIG_IP860) || \
1000 defined(CONFIG_IVML24) || \
1001 defined(CONFIG_IVMS8) || \
1002 defined(CONFIG_MPC8260ADS) || \
1003 defined(CONFIG_MPC8266ADS) || \
1004 defined(CONFIG_MPC8560ADS) || \
1005 defined(CONFIG_PCU_E) || \
1006 defined(CONFIG_RPXSUPER) || \
1007 defined(CONFIG_STXGP3) || \
1008 defined(CONFIG_SPD823TS) || \
1009 defined(CONFIG_RESET_PHY_R) )
1012 debug ("Reset Ethernet PHY\n");
1017 post_run (NULL, POST_RAM | post_bootmode_get(0));
1020 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1026 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1028 # ifdef CONFIG_IDE_8xx_PCCARD
1034 #endif /* CFG_CMD_IDE */
1036 #ifdef CONFIG_LAST_STAGE_INIT
1039 * Some parts can be only initialized if all others (like
1040 * Interrupts) are up and running (i.e. the PC-style ISA
1046 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1051 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1053 * Export available size of memory for Linux,
1054 * taking into account the protected RAM at top of memory
1062 if ((s = getenv ("pram")) != NULL) {
1063 pram = simple_strtoul (s, NULL, 10);
1070 #ifdef CONFIG_LOGBUFFER
1071 /* Also take the logbuffer into account (pram is in kB) */
1072 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1074 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1075 setenv ("mem", (char *)memsz);
1079 #ifdef CONFIG_PS2KBD
1084 #ifdef CONFIG_MODEM_SUPPORT
1086 extern int do_mdm_init;
1087 do_mdm_init = gd->do_mdm_init;
1091 /* Initialization complete - start the monitor */
1093 /* main_loop() can return to retry autoboot, if so just run it again. */
1099 /* NOTREACHED - no way out of command loop except booting */
1104 puts ("### ERROR ### Please RESET the board ###\n");
1105 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1106 show_boot_progress(-30);
1111 #ifdef CONFIG_MODEM_SUPPORT
1112 /* called from main loop (common/main.c) */
1113 /* 'inline' - We have to do it fast */
1114 static inline void mdm_readline(char *buf, int bufsiz)
1125 /* dbg("(%c)", c); */
1137 return; /* sanity check */
1146 extern void dbg(const char *fmt, ...);
1152 extern char console_buffer[];
1153 extern void enable_putc(void);
1154 extern int hwflow_onoff(int);
1156 enable_putc(); /* enable serial_putc() */
1158 #ifdef CONFIG_HWFLOW
1159 init_str = getenv("mdm_flow_control");
1160 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1167 sprintf(env_str, "mdm_init%d", i);
1168 if ((init_str = getenv(env_str)) != NULL) {
1169 serial_puts(init_str);
1172 mdm_readline(console_buffer, CFG_CBSIZE);
1173 dbg("ini%d: [%s]", i, console_buffer);
1175 if ((strcmp(console_buffer, "OK") == 0) ||
1176 (strcmp(console_buffer, "ERROR") == 0)) {
1177 dbg("ini%d: cmd done", i);
1179 } else /* in case we are originating call ... */
1180 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1181 dbg("ini%d: connect", i);
1186 break; /* no init string - stop modem init */
1193 /* final stage - wait for connect */
1194 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1195 message from modem */
1196 mdm_readline(console_buffer, CFG_CBSIZE);
1197 dbg("ini_f: [%s]", console_buffer);
1198 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1199 dbg("ini_f: connected");
1209 #if 0 /* We could use plain global data, but the resulting code is bigger */
1211 * Pointer to initial global data area
1213 * Here we initialize it.
1215 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1216 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1217 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1220 /************************************************************************/