2 * (C) Copyright 2000-2004
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 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
78 #if defined(CONFIG_HARD_I2C) || \
79 defined(CONFIG_SOFT_I2C)
82 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
83 void nand_init (void);
86 static char *failed = "*** failed ***\n";
88 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
89 extern flash_info_t flash_info[];
92 #include <environment.h>
93 DECLARE_GLOBAL_DATA_PTR;
95 #if defined(CFG_ENV_IS_EMBEDDED)
96 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
97 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
98 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
99 defined(CFG_ENV_IS_IN_NVRAM)
100 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
102 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
105 extern ulong __init_end;
107 ulong monitor_flash_len;
109 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
110 #include <bedbug/type.h>
114 * Begin and End of memory area for malloc(), and current "brk"
116 static ulong mem_malloc_start = 0;
117 static ulong mem_malloc_end = 0;
118 static ulong mem_malloc_brk = 0;
120 /************************************************************************
122 ************************************************************************
126 * The Malloc area is immediately below the monitor copy in DRAM
128 static void mem_malloc_init (void)
130 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
132 mem_malloc_end = dest_addr;
133 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
134 mem_malloc_brk = mem_malloc_start;
136 memset ((void *) mem_malloc_start,
138 mem_malloc_end - mem_malloc_start);
141 void *sbrk (ptrdiff_t increment)
143 ulong old = mem_malloc_brk;
144 ulong new = old + increment;
146 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
149 mem_malloc_brk = new;
150 return ((void *) old);
153 char *strmhz (char *buf, long hz)
159 l = sprintf (buf, "%ld", n);
160 m = (hz % 1000000L) / 1000L;
162 sprintf (buf + l, ".%03ld", m);
167 * All attempts to come up with a "common" initialization sequence
168 * that works for all boards and architectures failed: some of the
169 * requirements are just _too_ different. To get rid of the resulting
170 * mess of board dependend #ifdef'ed code we now make the whole
171 * initialization sequence configurable to the user.
173 * The requirements for any new initalization function is simple: it
174 * receives a pointer to the "global data" structure as it's only
175 * argument, and returns an integer return code, where 0 means
176 * "continue" and != 0 means "fatal error, hang the system".
178 typedef int (init_fnc_t) (void);
180 /************************************************************************
182 ************************************************************************
183 * Some of this code should be moved into the core functions,
184 * but let's get it working (again) first...
187 static int init_baudrate (void)
189 char tmp[64]; /* long enough for environment variables */
190 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
192 gd->baudrate = (i > 0)
193 ? (int) simple_strtoul (tmp, NULL, 10)
198 /***********************************************************************/
200 #ifdef CONFIG_ADD_RAM_INFO
201 void board_add_ram_info(int);
204 static int init_func_ram (void)
206 #ifdef CONFIG_BOARD_TYPES
207 int board_type = gd->board_type;
209 int board_type = 0; /* use dummy arg */
213 if ((gd->ram_size = initdram (board_type)) > 0) {
214 print_size (gd->ram_size, "");
215 #ifdef CONFIG_ADD_RAM_INFO
216 board_add_ram_info(0);
225 /***********************************************************************/
227 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
228 static int init_func_i2c (void)
231 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
237 /***********************************************************************/
239 #if defined(CONFIG_WATCHDOG)
240 static int init_func_watchdog_init (void)
242 puts (" Watchdog enabled\n");
246 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
248 static int init_func_watchdog_reset (void)
253 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
255 # define INIT_FUNC_WATCHDOG_INIT /* undef */
256 # define INIT_FUNC_WATCHDOG_RESET /* undef */
257 #endif /* CONFIG_WATCHDOG */
259 /************************************************************************
260 * Initialization sequence *
261 ************************************************************************
264 init_fnc_t *init_sequence[] = {
266 #if defined(CONFIG_BOARD_EARLY_INIT_F)
270 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
271 get_clocks, /* get CPU and bus clocks (etc.) */
272 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
273 adjust_sdram_tbs_8xx,
277 #ifdef CFG_ALLOC_DPRAM
278 #if !defined(CONFIG_CPM2)
282 #if defined(CONFIG_BOARD_POSTCLK_INIT)
286 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
287 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
288 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
295 #if defined(CONFIG_8260)
298 #endif /* CONFIG_8260 */
300 #if defined(CONFIG_MPC83XX)
305 #if defined(CONFIG_MPC5xxx)
307 #endif /* CONFIG_MPC5xxx */
308 #if defined(CONFIG_MPC8220)
312 INIT_FUNC_WATCHDOG_INIT
313 #if defined(CONFIG_MISC_INIT_F)
316 INIT_FUNC_WATCHDOG_RESET
317 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
320 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
326 INIT_FUNC_WATCHDOG_RESET
328 #if defined(CFG_DRAM_TEST)
330 #endif /* CFG_DRAM_TEST */
331 INIT_FUNC_WATCHDOG_RESET
333 NULL, /* Terminate this list */
336 /************************************************************************
338 * This is the first part of the initialization sequence that is
339 * implemented in C, but still running from ROM.
341 * The main purpose is to provide a (serial) console interface as
342 * soon as possible (so we can see any error messages), and to
343 * initialize the RAM so that we can relocate the monitor code to
346 * Be aware of the restrictions: global data is read-only, BSS is not
347 * initialized, and stack space is limited to a few kB.
349 ************************************************************************
352 void board_init_f (ulong bootflag)
355 ulong len, addr, addr_sp;
358 init_fnc_t **init_fnc_ptr;
362 uchar tmp[64]; /* long enough for environment variables */
365 /* Pointer is writable since we allocated a register for it */
366 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
367 /* compiler optimization barrier needed for GCC >= 3.4 */
368 __asm__ __volatile__("": : :"memory");
370 #if !defined(CONFIG_CPM2)
371 /* Clear initial global data */
372 memset ((void *) gd, 0, sizeof (gd_t));
375 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
376 if ((*init_fnc_ptr) () != 0) {
382 * Now that we have DRAM mapped and working, we can
383 * relocate the code and continue running from DRAM.
385 * Reserve memory at end of RAM for (top down in that order):
386 * - kernel log buffer
390 * - board info struct
392 len = (ulong)&_end - CFG_MONITOR_BASE;
394 #ifndef CONFIG_VERY_BIG_RAM
395 addr = CFG_SDRAM_BASE + gd->ram_size;
397 /* only allow stack below 256M */
398 addr = CFG_SDRAM_BASE +
399 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
402 #ifdef CONFIG_LOGBUFFER
403 /* reserve kernel log buffer */
404 addr -= (LOGBUFF_RESERVE);
405 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
410 * reserve protected RAM
412 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
413 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
414 addr -= (reg << 10); /* size is in kB */
415 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
416 #endif /* CONFIG_PRAM */
418 /* round down to next 4 kB limit */
420 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
423 /* reserve memory for LCD display (always full pages) */
424 addr = lcd_setmem (addr);
426 #endif /* CONFIG_LCD */
428 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
429 /* reserve memory for video display (always full pages) */
430 addr = video_setmem (addr);
432 #endif /* CONFIG_VIDEO */
435 * reserve memory for U-Boot code, data & bss
436 * round down to next 4 kB limit
441 /* round down to next 64 kB limit so that IVPR stays aligned */
442 addr &= ~(65536 - 1);
445 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
447 #ifdef CONFIG_AMIGAONEG3SE
448 gd->relocaddr = addr;
452 * reserve memory for malloc() arena
454 addr_sp = addr - TOTAL_MALLOC_LEN;
455 debug ("Reserving %dk for malloc() at: %08lx\n",
456 TOTAL_MALLOC_LEN >> 10, addr_sp);
459 * (permanently) allocate a Board Info struct
460 * and a permanent copy of the "global" data
462 addr_sp -= sizeof (bd_t);
463 bd = (bd_t *) addr_sp;
465 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
466 sizeof (bd_t), addr_sp);
467 addr_sp -= sizeof (gd_t);
468 id = (gd_t *) addr_sp;
469 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
470 sizeof (gd_t), addr_sp);
473 * Finally, we set up a new (bigger) stack.
475 * Leave some safety gap for SP, force alignment on 16 byte boundary
476 * Clear initial stack frame
480 s = (ulong *)addr_sp;
484 debug ("Stack Pointer at: %08lx\n", addr_sp);
487 * Save local variables to board info struct
490 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
491 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
494 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
495 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
496 #elif defined CONFIG_MPC8220
497 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
498 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
500 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
501 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
504 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
506 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
508 #if defined(CONFIG_MPC5xxx)
509 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
511 #if defined(CONFIG_MPC83XX)
512 bd->bi_immrbar = CFG_IMMRBAR;
514 #if defined(CONFIG_MPC8220)
515 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
516 bd->bi_inpfreq = gd->inp_clk;
517 bd->bi_pcifreq = gd->pci_clk;
518 bd->bi_vcofreq = gd->vco_clk;
519 bd->bi_pevfreq = gd->pev_clk;
520 bd->bi_flbfreq = gd->flb_clk;
522 /* store bootparam to sram (backward compatible), here? */
524 u32 *sram = (u32 *)CFG_SRAM_BASE;
525 *sram++ = gd->ram_size;
526 *sram++ = gd->bus_clk;
527 *sram++ = gd->inp_clk;
528 *sram++ = gd->cpu_clk;
529 *sram++ = gd->vco_clk;
530 *sram++ = gd->flb_clk;
531 *sram++ = 0xb8c3ba11; /* boot signature */
535 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
538 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
539 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
540 #if defined(CONFIG_CPM2)
541 bd->bi_cpmfreq = gd->cpm_clk;
542 bd->bi_brgfreq = gd->brg_clk;
543 bd->bi_sccfreq = gd->scc_clk;
544 bd->bi_vco = gd->vco_out;
545 #endif /* CONFIG_CPM2 */
546 #if defined(CONFIG_MPC5xxx)
547 bd->bi_ipbfreq = gd->ipb_clk;
548 bd->bi_pcifreq = gd->pci_clk;
549 #endif /* CONFIG_MPC5xxx */
550 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
553 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
554 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
556 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
557 bd->bi_plb_busfreq = gd->bus_clk;
558 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
559 bd->bi_pci_busfreq = get_PCI_freq ();
560 bd->bi_opbfreq = get_OPB_freq ();
561 #elif defined(CONFIG_XILINX_ML300)
562 bd->bi_pci_busfreq = get_PCI_freq ();
566 debug ("New Stack Pointer is: %08lx\n", addr_sp);
571 post_bootmode_init();
572 post_run (NULL, POST_ROM | post_bootmode_get(0));
577 memcpy (id, (void *)gd, sizeof (gd_t));
579 relocate_code (addr_sp, id, addr);
581 /* NOTREACHED - relocate_code() does not return */
584 /************************************************************************
586 * This is the next part if the initialization sequence: we are now
587 * running from RAM and have a "normal" C environment, i. e. global
588 * data can be written, BSS has been cleared, the stack size in not
589 * that critical any more, etc.
591 ************************************************************************
593 void board_init_r (gd_t *id, ulong dest_addr)
599 extern void malloc_bin_reloc (void);
600 #ifndef CFG_ENV_IS_NOWHERE
601 extern char * env_name_spec;
608 gd = id; /* initialize RAM version of global data */
611 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
613 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
617 #if defined(CONFIG_BOARD_EARLY_INIT_R)
618 board_early_init_r ();
621 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
623 monitor_flash_len = (ulong)&__init_end - dest_addr;
625 #ifdef CONFIG_SERIAL_MULTI
630 * We have to relocate the command table manually
632 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
634 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
636 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
637 cmdtp->name, (ulong) (cmdtp->cmd), addr);
640 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
642 addr = (ulong)(cmdtp->name) + gd->reloc_off;
643 cmdtp->name = (char *)addr;
646 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
647 cmdtp->usage = (char *)addr;
651 addr = (ulong)(cmdtp->help) + gd->reloc_off;
652 cmdtp->help = (char *)addr;
656 /* there are some other pointer constants we must deal with */
657 #ifndef CFG_ENV_IS_NOWHERE
658 env_name_spec += gd->reloc_off;
663 #ifdef CONFIG_LOGBUFFER
664 logbuff_init_ptrs ();
667 post_output_backlog ();
673 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
674 icache_enable (); /* it's time to enable the instruction cache */
677 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
678 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
681 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
683 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
684 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
689 #if defined(CONFIG_BAB7xx)
691 * Initialise the ISA bridge
693 initialise_w83c553f ();
696 asm ("sync ; isync");
699 * Setup trap handlers
701 trap_init (dest_addr);
703 #if !defined(CFG_NO_FLASH)
706 if ((flash_size = flash_init ()) > 0) {
707 # ifdef CFG_FLASH_CHECKSUM
708 print_size (flash_size, "");
710 * Compute and print flash CRC if flashchecksum is set to 'y'
712 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
714 s = getenv ("flashchecksum");
715 if (s && (*s == 'y')) {
716 printf (" CRC: %08lX",
717 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
721 # else /* !CFG_FLASH_CHECKSUM */
722 print_size (flash_size, "\n");
723 # endif /* CFG_FLASH_CHECKSUM */
729 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
730 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
731 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
732 /* flash mapped at end of memory map */
733 bd->bi_flashoffset = TEXT_BASE + flash_size;
734 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
735 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
737 bd->bi_flashoffset = 0;
739 #else /* CFG_NO_FLASH */
741 bd->bi_flashsize = 0;
742 bd->bi_flashstart = 0;
743 bd->bi_flashoffset = 0;
744 #endif /* !CFG_NO_FLASH */
748 /* initialize higher level parts of CPU like time base and timers */
753 /* initialize malloc() area */
758 # if !defined(CFG_ENV_IS_IN_EEPROM)
764 /* relocate environment function pointers etc. */
768 * Fill in missing fields of bd_info.
769 * We do this here, where we have "normal" access to the
770 * environment; we used to do this still running from ROM,
771 * where had to use getenv_r(), which can be pretty slow when
772 * the environment is in EEPROM.
775 #if defined(CFG_EXTBDINFO)
776 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
777 #if defined(CONFIG_I2CFAST)
779 * set bi_iic_fast for linux taking environment variable
780 * "i2cfast" into account
783 char *s = getenv ("i2cfast");
784 if (s && ((*s == 'y') || (*s == 'Y'))) {
785 bd->bi_iic_fast[0] = 1;
786 bd->bi_iic_fast[1] = 1;
788 bd->bi_iic_fast[0] = 0;
789 bd->bi_iic_fast[1] = 0;
793 bd->bi_iic_fast[0] = 0;
794 bd->bi_iic_fast[1] = 0;
795 #endif /* CONFIG_I2CFAST */
796 #endif /* CONFIG_405GP, CONFIG_405EP */
797 #endif /* CFG_EXTBDINFO */
799 s = getenv ("ethaddr");
800 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
802 board_get_enetaddr (bd->bi_enetaddr);
805 for (i = 0; i < 6; ++i) {
806 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
808 s = (*e) ? e + 1 : e;
811 if ((gd->board_type >> 16) == 2)
812 bd->bi_ethspeed = gd->board_type & 0xFFFF;
814 bd->bi_ethspeed = 0xFFFF;
818 load_sernum_ethaddr ();
821 #ifdef CONFIG_HAS_ETH1
822 /* handle the 2nd ethernet address */
824 s = getenv ("eth1addr");
826 for (i = 0; i < 6; ++i) {
827 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
829 s = (*e) ? e + 1 : e;
832 #ifdef CONFIG_HAS_ETH2
833 /* handle the 3rd ethernet address */
835 s = getenv ("eth2addr");
836 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
838 board_get_enetaddr(bd->bi_enet2addr);
841 for (i = 0; i < 6; ++i) {
842 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
844 s = (*e) ? e + 1 : e;
848 #ifdef CONFIG_HAS_ETH3
849 /* handle 4th ethernet address */
850 s = getenv("eth3addr");
851 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
853 board_get_enetaddr(bd->bi_enet3addr);
856 for (i = 0; i < 6; ++i) {
857 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
859 s = (*e) ? e + 1 : e;
863 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
864 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
865 load_sernum_ethaddr ();
868 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
872 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
874 * Do pci configuration
879 /** leave this here (after malloc(), environment and PCI are working) **/
880 /* Initialize devices */
883 /* Initialize the jump table for applications */
886 /* Initialize the console (after the relocation and devices init) */
889 #if defined(CONFIG_CCM) || \
890 defined(CONFIG_COGENT) || \
891 defined(CONFIG_CPCI405) || \
892 defined(CONFIG_EVB64260) || \
893 defined(CONFIG_KUP4K) || \
894 defined(CONFIG_KUP4X) || \
895 defined(CONFIG_LWMON) || \
896 defined(CONFIG_PCU_E) || \
897 defined(CONFIG_W7O) || \
898 defined(CONFIG_MISC_INIT_R)
899 /* miscellaneous platform dependent initialisations */
904 if (bd->bi_ethspeed != 0xFFFF)
905 hermes_start_lxt980 ((int) bd->bi_ethspeed);
908 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
914 debug ("U-Boot relocated to %08lx\n", dest_addr);
921 /* Must happen after interrupts are initialized since
922 * an irq handler gets installed
924 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
925 serial_buffered_init();
928 #ifdef CONFIG_STATUS_LED
929 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
936 /* Initialize from environment */
937 if ((s = getenv ("loadaddr")) != NULL) {
938 load_addr = simple_strtoul (s, NULL, 16);
940 #if (CONFIG_COMMANDS & CFG_CMD_NET)
941 if ((s = getenv ("bootfile")) != NULL) {
942 copy_filename (BootFile, s, sizeof (BootFile));
944 #endif /* CFG_CMD_NET */
948 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
954 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
960 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
963 nand_init(); /* go init the NAND */
966 #if (CONFIG_COMMANDS & CFG_CMD_NET)
967 #if defined(CONFIG_NET_MULTI)
974 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
975 defined(CONFIG_CCM) || \
976 defined(CONFIG_ELPT860) || \
977 defined(CONFIG_EP8260) || \
978 defined(CONFIG_IP860) || \
979 defined(CONFIG_IVML24) || \
980 defined(CONFIG_IVMS8) || \
981 defined(CONFIG_MPC8260ADS) || \
982 defined(CONFIG_MPC8266ADS) || \
983 defined(CONFIG_MPC8560ADS) || \
984 defined(CONFIG_PCU_E) || \
985 defined(CONFIG_RPXSUPER) || \
986 defined(CONFIG_STXGP3) || \
987 defined(CONFIG_SPD823TS) || \
988 defined(CONFIG_RESET_PHY_R) )
991 debug ("Reset Ethernet PHY\n");
996 post_run (NULL, POST_RAM | post_bootmode_get(0));
999 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1005 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1007 # ifdef CONFIG_IDE_8xx_PCCARD
1013 #endif /* CFG_CMD_IDE */
1015 #ifdef CONFIG_LAST_STAGE_INIT
1018 * Some parts can be only initialized if all others (like
1019 * Interrupts) are up and running (i.e. the PC-style ISA
1025 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1030 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1032 * Export available size of memory for Linux,
1033 * taking into account the protected RAM at top of memory
1041 if ((s = getenv ("pram")) != NULL) {
1042 pram = simple_strtoul (s, NULL, 10);
1049 #ifdef CONFIG_LOGBUFFER
1050 /* Also take the logbuffer into account (pram is in kB) */
1051 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1053 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1054 setenv ("mem", (char *)memsz);
1058 #ifdef CONFIG_PS2KBD
1063 #ifdef CONFIG_MODEM_SUPPORT
1065 extern int do_mdm_init;
1066 do_mdm_init = gd->do_mdm_init;
1070 /* Initialization complete - start the monitor */
1072 /* main_loop() can return to retry autoboot, if so just run it again. */
1078 /* NOTREACHED - no way out of command loop except booting */
1083 puts ("### ERROR ### Please RESET the board ###\n");
1084 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1085 show_boot_progress(-30);
1090 #ifdef CONFIG_MODEM_SUPPORT
1091 /* called from main loop (common/main.c) */
1092 /* 'inline' - We have to do it fast */
1093 static inline void mdm_readline(char *buf, int bufsiz)
1104 /* dbg("(%c)", c); */
1116 return; /* sanity check */
1125 extern void dbg(const char *fmt, ...);
1131 extern char console_buffer[];
1132 extern void enable_putc(void);
1133 extern int hwflow_onoff(int);
1135 enable_putc(); /* enable serial_putc() */
1137 #ifdef CONFIG_HWFLOW
1138 init_str = getenv("mdm_flow_control");
1139 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1146 sprintf(env_str, "mdm_init%d", i);
1147 if ((init_str = getenv(env_str)) != NULL) {
1148 serial_puts(init_str);
1151 mdm_readline(console_buffer, CFG_CBSIZE);
1152 dbg("ini%d: [%s]", i, console_buffer);
1154 if ((strcmp(console_buffer, "OK") == 0) ||
1155 (strcmp(console_buffer, "ERROR") == 0)) {
1156 dbg("ini%d: cmd done", i);
1158 } else /* in case we are originating call ... */
1159 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1160 dbg("ini%d: connect", i);
1165 break; /* no init string - stop modem init */
1172 /* final stage - wait for connect */
1173 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1174 message from modem */
1175 mdm_readline(console_buffer, CFG_CBSIZE);
1176 dbg("ini_f: [%s]", console_buffer);
1177 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1178 dbg("ini_f: connected");
1188 #if 0 /* We could use plain global data, but the resulting code is bigger */
1190 * Pointer to initial global data area
1192 * Here we initialize it.
1194 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1195 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1196 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1199 /************************************************************************/