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 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 defined(CONFIG_SC3)
80 extern void sc3_read_eeprom(void);
83 #if defined(CONFIG_CMD_DOC)
86 #if defined(CONFIG_HARD_I2C) || \
87 defined(CONFIG_SOFT_I2C)
90 #if defined(CONFIG_CMD_NAND)
91 void nand_init (void);
94 static char *failed = "*** failed ***\n";
96 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
97 extern flash_info_t flash_info[];
100 #if defined(CONFIG_START_IDE)
101 extern int board_start_ide(void);
103 #include <environment.h>
105 DECLARE_GLOBAL_DATA_PTR;
107 #if defined(CFG_ENV_IS_EMBEDDED)
108 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
109 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
110 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
111 defined(CFG_ENV_IS_IN_NVRAM)
112 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
117 extern ulong __init_end;
119 ulong monitor_flash_len;
121 #if defined(CONFIG_CMD_BEDBUG)
122 #include <bedbug/type.h>
126 * Begin and End of memory area for malloc(), and current "brk"
128 static ulong mem_malloc_start = 0;
129 static ulong mem_malloc_end = 0;
130 static ulong mem_malloc_brk = 0;
132 /************************************************************************
134 ************************************************************************
138 * The Malloc area is immediately below the monitor copy in DRAM
140 static void mem_malloc_init (void)
142 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
143 mem_malloc_end = CFG_MONITOR_BASE + gd->reloc_off;
145 mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN;
146 mem_malloc_brk = mem_malloc_start;
148 memset ((void *) mem_malloc_start,
150 mem_malloc_end - mem_malloc_start);
153 void *sbrk (ptrdiff_t increment)
155 ulong old = mem_malloc_brk;
156 ulong new = old + increment;
158 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
161 mem_malloc_brk = new;
162 return ((void *) old);
165 char *strmhz (char *buf, long hz)
171 l = sprintf (buf, "%ld", n);
172 m = (hz % 1000000L) / 1000L;
174 sprintf (buf + l, ".%03ld", m);
179 * All attempts to come up with a "common" initialization sequence
180 * that works for all boards and architectures failed: some of the
181 * requirements are just _too_ different. To get rid of the resulting
182 * mess of board dependend #ifdef'ed code we now make the whole
183 * initialization sequence configurable to the user.
185 * The requirements for any new initalization function is simple: it
186 * receives a pointer to the "global data" structure as it's only
187 * argument, and returns an integer return code, where 0 means
188 * "continue" and != 0 means "fatal error, hang the system".
190 typedef int (init_fnc_t) (void);
192 /************************************************************************
194 ************************************************************************
195 * Some of this code should be moved into the core functions,
196 * but let's get it working (again) first...
199 static int init_baudrate (void)
201 char tmp[64]; /* long enough for environment variables */
202 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
204 gd->baudrate = (i > 0)
205 ? (int) simple_strtoul (tmp, NULL, 10)
210 /***********************************************************************/
212 #ifdef CONFIG_ADD_RAM_INFO
213 void board_add_ram_info(int);
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 #ifdef CONFIG_ADD_RAM_INFO
228 board_add_ram_info(0);
237 /***********************************************************************/
239 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
240 static int init_func_i2c (void)
243 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
249 /***********************************************************************/
251 #if defined(CONFIG_WATCHDOG)
252 static int init_func_watchdog_init (void)
254 puts (" Watchdog enabled\n");
258 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
260 static int init_func_watchdog_reset (void)
265 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
267 # define INIT_FUNC_WATCHDOG_INIT /* undef */
268 # define INIT_FUNC_WATCHDOG_RESET /* undef */
269 #endif /* CONFIG_WATCHDOG */
271 /************************************************************************
272 * Initialization sequence *
273 ************************************************************************
276 init_fnc_t *init_sequence[] = {
278 #if defined(CONFIG_BOARD_EARLY_INIT_F)
282 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
283 get_clocks, /* get CPU and bus clocks (etc.) */
284 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
285 && !defined(CONFIG_TQM885D)
286 adjust_sdram_tbs_8xx,
290 #ifdef CFG_ALLOC_DPRAM
291 #if !defined(CONFIG_CPM2)
295 #if defined(CONFIG_BOARD_POSTCLK_INIT)
299 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
300 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
301 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
308 #if defined(CONFIG_8260)
311 #endif /* CONFIG_8260 */
312 #if defined(CONFIG_MPC83XX)
316 #if defined(CONFIG_MPC5xxx)
318 #endif /* CONFIG_MPC5xxx */
319 #if defined(CONFIG_MPC8220)
323 INIT_FUNC_WATCHDOG_INIT
324 #if defined(CONFIG_MISC_INIT_F)
327 INIT_FUNC_WATCHDOG_RESET
328 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
331 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
337 INIT_FUNC_WATCHDOG_RESET
339 #if defined(CFG_DRAM_TEST)
341 #endif /* CFG_DRAM_TEST */
342 INIT_FUNC_WATCHDOG_RESET
344 NULL, /* Terminate this list */
347 /************************************************************************
349 * This is the first part of the initialization sequence that is
350 * implemented in C, but still running from ROM.
352 * The main purpose is to provide a (serial) console interface as
353 * soon as possible (so we can see any error messages), and to
354 * initialize the RAM so that we can relocate the monitor code to
357 * Be aware of the restrictions: global data is read-only, BSS is not
358 * initialized, and stack space is limited to a few kB.
360 ************************************************************************
363 void board_init_f (ulong bootflag)
366 ulong len, addr, addr_sp;
369 init_fnc_t **init_fnc_ptr;
373 uchar tmp[64]; /* long enough for environment variables */
376 /* Pointer is writable since we allocated a register for it */
377 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
378 /* compiler optimization barrier needed for GCC >= 3.4 */
379 __asm__ __volatile__("": : :"memory");
381 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
382 /* Clear initial global data */
383 memset ((void *) gd, 0, sizeof (gd_t));
386 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
387 if ((*init_fnc_ptr) () != 0) {
393 * Now that we have DRAM mapped and working, we can
394 * relocate the code and continue running from DRAM.
396 * Reserve memory at end of RAM for (top down in that order):
397 * - kernel log buffer
401 * - board info struct
403 len = (ulong)&_end - CFG_MONITOR_BASE;
405 #ifndef CONFIG_VERY_BIG_RAM
406 addr = CFG_SDRAM_BASE + gd->ram_size;
408 /* only allow stack below 256M */
409 addr = CFG_SDRAM_BASE +
410 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
413 #ifdef CONFIG_LOGBUFFER
414 /* reserve kernel log buffer */
415 addr -= (LOGBUFF_RESERVE);
416 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
421 * reserve protected RAM
423 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
424 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
425 addr -= (reg << 10); /* size is in kB */
426 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
427 #endif /* CONFIG_PRAM */
429 /* round down to next 4 kB limit */
431 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
434 /* reserve memory for LCD display (always full pages) */
435 addr = lcd_setmem (addr);
437 #endif /* CONFIG_LCD */
439 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
440 /* reserve memory for video display (always full pages) */
441 addr = video_setmem (addr);
443 #endif /* CONFIG_VIDEO */
446 * reserve memory for U-Boot code, data & bss
447 * round down to next 4 kB limit
452 /* round down to next 64 kB limit so that IVPR stays aligned */
453 addr &= ~(65536 - 1);
456 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
458 #ifdef CONFIG_AMIGAONEG3SE
459 gd->relocaddr = addr;
463 * reserve memory for malloc() arena
465 addr_sp = addr - TOTAL_MALLOC_LEN;
466 debug ("Reserving %dk for malloc() at: %08lx\n",
467 TOTAL_MALLOC_LEN >> 10, addr_sp);
470 * (permanently) allocate a Board Info struct
471 * and a permanent copy of the "global" data
473 addr_sp -= sizeof (bd_t);
474 bd = (bd_t *) addr_sp;
476 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
477 sizeof (bd_t), addr_sp);
478 addr_sp -= sizeof (gd_t);
479 id = (gd_t *) addr_sp;
480 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
481 sizeof (gd_t), addr_sp);
484 * Finally, we set up a new (bigger) stack.
486 * Leave some safety gap for SP, force alignment on 16 byte boundary
487 * Clear initial stack frame
491 s = (ulong *)addr_sp;
495 debug ("Stack Pointer at: %08lx\n", addr_sp);
498 * Save local variables to board info struct
501 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
502 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
505 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
506 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
507 #elif defined CONFIG_MPC8220
508 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
509 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
511 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
512 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
515 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
516 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
517 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
519 #if defined(CONFIG_MPC5xxx)
520 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
522 #if defined(CONFIG_MPC83XX)
523 bd->bi_immrbar = CFG_IMMR;
525 #if defined(CONFIG_MPC8220)
526 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
527 bd->bi_inpfreq = gd->inp_clk;
528 bd->bi_pcifreq = gd->pci_clk;
529 bd->bi_vcofreq = gd->vco_clk;
530 bd->bi_pevfreq = gd->pev_clk;
531 bd->bi_flbfreq = gd->flb_clk;
533 /* store bootparam to sram (backward compatible), here? */
535 u32 *sram = (u32 *)CFG_SRAM_BASE;
536 *sram++ = gd->ram_size;
537 *sram++ = gd->bus_clk;
538 *sram++ = gd->inp_clk;
539 *sram++ = gd->cpu_clk;
540 *sram++ = gd->vco_clk;
541 *sram++ = gd->flb_clk;
542 *sram++ = 0xb8c3ba11; /* boot signature */
546 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
549 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
550 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
551 #if defined(CONFIG_CPM2)
552 bd->bi_cpmfreq = gd->cpm_clk;
553 bd->bi_brgfreq = gd->brg_clk;
554 bd->bi_sccfreq = gd->scc_clk;
555 bd->bi_vco = gd->vco_out;
556 #endif /* CONFIG_CPM2 */
557 #if defined(CONFIG_MPC5xxx)
558 bd->bi_ipbfreq = gd->ipb_clk;
559 bd->bi_pcifreq = gd->pci_clk;
560 #endif /* CONFIG_MPC5xxx */
561 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
564 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
565 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
567 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
568 bd->bi_plb_busfreq = gd->bus_clk;
569 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
570 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
571 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
572 bd->bi_pci_busfreq = get_PCI_freq ();
573 bd->bi_opbfreq = get_OPB_freq ();
574 #elif defined(CONFIG_XILINX_ML300)
575 bd->bi_pci_busfreq = get_PCI_freq ();
579 debug ("New Stack Pointer is: %08lx\n", addr_sp);
584 post_bootmode_init();
585 post_run (NULL, POST_ROM | post_bootmode_get(0));
590 memcpy (id, (void *)gd, sizeof (gd_t));
592 relocate_code (addr_sp, id, addr);
594 /* NOTREACHED - relocate_code() does not return */
597 /************************************************************************
599 * This is the next part if the initialization sequence: we are now
600 * running from RAM and have a "normal" C environment, i. e. global
601 * data can be written, BSS has been cleared, the stack size in not
602 * that critical any more, etc.
604 ************************************************************************
606 void board_init_r (gd_t *id, ulong dest_addr)
612 extern void malloc_bin_reloc (void);
613 #ifndef CFG_ENV_IS_NOWHERE
614 extern char * env_name_spec;
621 gd = id; /* initialize RAM version of global data */
624 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
626 #if defined(CONFIG_RELOC_FIXUP_WORKS)
628 mem_malloc_end = dest_addr;
630 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
633 #ifdef CONFIG_SERIAL_MULTI
637 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
641 #if defined(CONFIG_BOARD_EARLY_INIT_R)
642 board_early_init_r ();
645 monitor_flash_len = (ulong)&__init_end - dest_addr;
648 * We have to relocate the command table manually
650 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
652 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
654 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
655 cmdtp->name, (ulong) (cmdtp->cmd), addr);
658 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
660 addr = (ulong)(cmdtp->name) + gd->reloc_off;
661 cmdtp->name = (char *)addr;
664 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
665 cmdtp->usage = (char *)addr;
669 addr = (ulong)(cmdtp->help) + gd->reloc_off;
670 cmdtp->help = (char *)addr;
674 /* there are some other pointer constants we must deal with */
675 #ifndef CFG_ENV_IS_NOWHERE
676 env_name_spec += gd->reloc_off;
681 #ifdef CONFIG_LOGBUFFER
682 logbuff_init_ptrs ();
685 post_output_backlog ();
691 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
692 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
693 icache_enable (); /* it's time to enable the instruction cache */
696 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
697 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
700 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
702 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
703 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
708 #if defined(CONFIG_BAB7xx)
710 * Initialise the ISA bridge
712 initialise_w83c553f ();
715 asm ("sync ; isync");
718 * Setup trap handlers
720 trap_init (dest_addr);
722 #if !defined(CFG_NO_FLASH)
725 if ((flash_size = flash_init ()) > 0) {
726 # ifdef CFG_FLASH_CHECKSUM
727 print_size (flash_size, "");
729 * Compute and print flash CRC if flashchecksum is set to 'y'
731 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
733 s = getenv ("flashchecksum");
734 if (s && (*s == 'y')) {
735 printf (" CRC: %08lX",
736 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
740 # else /* !CFG_FLASH_CHECKSUM */
741 print_size (flash_size, "\n");
742 # endif /* CFG_FLASH_CHECKSUM */
748 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
749 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
751 #if defined(CFG_UPDATE_FLASH_SIZE)
752 /* Make a update of the Memctrl. */
753 update_flash_size (flash_size);
757 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
758 /* flash mapped at end of memory map */
759 bd->bi_flashoffset = TEXT_BASE + flash_size;
760 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
761 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
763 bd->bi_flashoffset = 0;
765 #else /* CFG_NO_FLASH */
767 bd->bi_flashsize = 0;
768 bd->bi_flashstart = 0;
769 bd->bi_flashoffset = 0;
770 #endif /* !CFG_NO_FLASH */
774 /* initialize higher level parts of CPU like time base and timers */
779 /* initialize malloc() area */
784 # if !defined(CFG_ENV_IS_IN_EEPROM)
790 #if defined(CONFIG_CMD_NAND)
793 nand_init(); /* go init the NAND */
796 /* relocate environment function pointers etc. */
800 * Fill in missing fields of bd_info.
801 * We do this here, where we have "normal" access to the
802 * environment; we used to do this still running from ROM,
803 * where had to use getenv_r(), which can be pretty slow when
804 * the environment is in EEPROM.
807 #if defined(CFG_EXTBDINFO)
808 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
809 #if defined(CONFIG_I2CFAST)
811 * set bi_iic_fast for linux taking environment variable
812 * "i2cfast" into account
815 char *s = getenv ("i2cfast");
816 if (s && ((*s == 'y') || (*s == 'Y'))) {
817 bd->bi_iic_fast[0] = 1;
818 bd->bi_iic_fast[1] = 1;
820 bd->bi_iic_fast[0] = 0;
821 bd->bi_iic_fast[1] = 0;
825 bd->bi_iic_fast[0] = 0;
826 bd->bi_iic_fast[1] = 0;
827 #endif /* CONFIG_I2CFAST */
828 #endif /* CONFIG_405GP, CONFIG_405EP */
829 #endif /* CFG_EXTBDINFO */
831 #if defined(CONFIG_SC3)
834 s = getenv ("ethaddr");
835 #if defined (CONFIG_MBX) || \
836 defined (CONFIG_RPXCLASSIC) || \
837 defined(CONFIG_IAD210) || \
840 board_get_enetaddr (bd->bi_enetaddr);
843 for (i = 0; i < 6; ++i) {
844 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
846 s = (*e) ? e + 1 : e;
849 if ((gd->board_type >> 16) == 2)
850 bd->bi_ethspeed = gd->board_type & 0xFFFF;
852 bd->bi_ethspeed = 0xFFFF;
856 load_sernum_ethaddr ();
859 #ifdef CONFIG_HAS_ETH1
860 /* handle the 2nd ethernet address */
862 s = getenv ("eth1addr");
864 for (i = 0; i < 6; ++i) {
865 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
867 s = (*e) ? e + 1 : e;
870 #ifdef CONFIG_HAS_ETH2
871 /* handle the 3rd ethernet address */
873 s = getenv ("eth2addr");
874 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
876 board_get_enetaddr(bd->bi_enet2addr);
879 for (i = 0; i < 6; ++i) {
880 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
882 s = (*e) ? e + 1 : e;
886 #ifdef CONFIG_HAS_ETH3
887 /* handle 4th ethernet address */
888 s = getenv("eth3addr");
889 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
891 board_get_enetaddr(bd->bi_enet3addr);
894 for (i = 0; i < 6; ++i) {
895 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
897 s = (*e) ? e + 1 : e;
902 mac_read_from_eeprom();
905 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
906 defined(CONFIG_TQM8272) || \
907 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
908 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
909 load_sernum_ethaddr ();
912 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
916 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
918 * Do pci configuration
923 /** leave this here (after malloc(), environment and PCI are working) **/
924 /* Initialize devices */
927 /* Initialize the jump table for applications */
930 /* Initialize the console (after the relocation and devices init) */
933 #if defined(CONFIG_CCM) || \
934 defined(CONFIG_COGENT) || \
935 defined(CONFIG_CPCI405) || \
936 defined(CONFIG_EVB64260) || \
937 defined(CONFIG_KUP4K) || \
938 defined(CONFIG_KUP4X) || \
939 defined(CONFIG_LWMON) || \
940 defined(CONFIG_PCU_E) || \
941 defined(CONFIG_SC3) || \
942 defined(CONFIG_W7O) || \
943 defined(CONFIG_MISC_INIT_R)
944 /* miscellaneous platform dependent initialisations */
949 if (bd->bi_ethspeed != 0xFFFF)
950 hermes_start_lxt980 ((int) bd->bi_ethspeed);
953 #if defined(CONFIG_CMD_KGDB)
959 debug ("U-Boot relocated to %08lx\n", dest_addr);
966 /* Must happen after interrupts are initialized since
967 * an irq handler gets installed
969 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
970 serial_buffered_init();
973 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
974 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
981 /* Initialize from environment */
982 if ((s = getenv ("loadaddr")) != NULL) {
983 load_addr = simple_strtoul (s, NULL, 16);
985 #if defined(CONFIG_CMD_NET)
986 if ((s = getenv ("bootfile")) != NULL) {
987 copy_filename (BootFile, s, sizeof (BootFile));
993 #if defined(CONFIG_CMD_SCSI)
999 #if defined(CONFIG_CMD_DOC)
1005 #if defined(CONFIG_CMD_NET)
1006 #if defined(CONFIG_NET_MULTI)
1010 eth_initialize (bd);
1013 #if defined(CONFIG_CMD_NET) && ( \
1014 defined(CONFIG_CCM) || \
1015 defined(CONFIG_ELPT860) || \
1016 defined(CONFIG_EP8260) || \
1017 defined(CONFIG_IP860) || \
1018 defined(CONFIG_IVML24) || \
1019 defined(CONFIG_IVMS8) || \
1020 defined(CONFIG_MPC8260ADS) || \
1021 defined(CONFIG_MPC8266ADS) || \
1022 defined(CONFIG_MPC8560ADS) || \
1023 defined(CONFIG_PCU_E) || \
1024 defined(CONFIG_RPXSUPER) || \
1025 defined(CONFIG_STXGP3) || \
1026 defined(CONFIG_SPD823TS) || \
1027 defined(CONFIG_RESET_PHY_R) )
1030 debug ("Reset Ethernet PHY\n");
1035 post_run (NULL, POST_RAM | post_bootmode_get(0));
1038 #if defined(CONFIG_CMD_PCMCIA) \
1039 && !defined(CONFIG_CMD_IDE)
1045 #if defined(CONFIG_CMD_IDE)
1047 # ifdef CONFIG_IDE_8xx_PCCARD
1052 #if defined(CONFIG_START_IDE)
1053 if (board_start_ide())
1060 #ifdef CONFIG_LAST_STAGE_INIT
1063 * Some parts can be only initialized if all others (like
1064 * Interrupts) are up and running (i.e. the PC-style ISA
1070 #if defined(CONFIG_CMD_BEDBUG)
1075 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1077 * Export available size of memory for Linux,
1078 * taking into account the protected RAM at top of memory
1086 if ((s = getenv ("pram")) != NULL) {
1087 pram = simple_strtoul (s, NULL, 10);
1094 #ifdef CONFIG_LOGBUFFER
1095 /* Also take the logbuffer into account (pram is in kB) */
1096 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1098 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1099 setenv ("mem", (char *)memsz);
1103 #ifdef CONFIG_PS2KBD
1108 #ifdef CONFIG_MODEM_SUPPORT
1110 extern int do_mdm_init;
1111 do_mdm_init = gd->do_mdm_init;
1115 /* Initialization complete - start the monitor */
1117 /* main_loop() can return to retry autoboot, if so just run it again. */
1123 /* NOTREACHED - no way out of command loop except booting */
1128 puts ("### ERROR ### Please RESET the board ###\n");
1129 show_boot_progress(-30);
1133 #ifdef CONFIG_MODEM_SUPPORT
1134 /* called from main loop (common/main.c) */
1135 /* 'inline' - We have to do it fast */
1136 static inline void mdm_readline(char *buf, int bufsiz)
1147 /* dbg("(%c)", c); */
1159 return; /* sanity check */
1168 extern void dbg(const char *fmt, ...);
1174 extern char console_buffer[];
1175 extern void enable_putc(void);
1176 extern int hwflow_onoff(int);
1178 enable_putc(); /* enable serial_putc() */
1180 #ifdef CONFIG_HWFLOW
1181 init_str = getenv("mdm_flow_control");
1182 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1189 sprintf(env_str, "mdm_init%d", i);
1190 if ((init_str = getenv(env_str)) != NULL) {
1191 serial_puts(init_str);
1194 mdm_readline(console_buffer, CFG_CBSIZE);
1195 dbg("ini%d: [%s]", i, console_buffer);
1197 if ((strcmp(console_buffer, "OK") == 0) ||
1198 (strcmp(console_buffer, "ERROR") == 0)) {
1199 dbg("ini%d: cmd done", i);
1201 } else /* in case we are originating call ... */
1202 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1203 dbg("ini%d: connect", i);
1208 break; /* no init string - stop modem init */
1215 /* final stage - wait for connect */
1216 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1217 message from modem */
1218 mdm_readline(console_buffer, CFG_CBSIZE);
1219 dbg("ini_f: [%s]", console_buffer);
1220 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1221 dbg("ini_f: connected");
1231 #if 0 /* We could use plain global data, but the resulting code is bigger */
1233 * Pointer to initial global data area
1235 * Here we initialize it.
1237 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1238 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1239 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1242 /************************************************************************/