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>
94 DECLARE_GLOBAL_DATA_PTR;
96 #if defined(CFG_ENV_IS_EMBEDDED)
97 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
98 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
99 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
100 defined(CFG_ENV_IS_IN_NVRAM)
101 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
103 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
106 extern ulong __init_end;
108 ulong monitor_flash_len;
110 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
111 #include <bedbug/type.h>
115 * Begin and End of memory area for malloc(), and current "brk"
117 static ulong mem_malloc_start = 0;
118 static ulong mem_malloc_end = 0;
119 static ulong mem_malloc_brk = 0;
121 /************************************************************************
123 ************************************************************************
127 * The Malloc area is immediately below the monitor copy in DRAM
129 static void mem_malloc_init (void)
131 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
133 mem_malloc_end = dest_addr;
134 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
135 mem_malloc_brk = mem_malloc_start;
137 memset ((void *) mem_malloc_start,
139 mem_malloc_end - mem_malloc_start);
142 void *sbrk (ptrdiff_t increment)
144 ulong old = mem_malloc_brk;
145 ulong new = old + increment;
147 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
150 mem_malloc_brk = new;
151 return ((void *) old);
154 char *strmhz (char *buf, long hz)
160 l = sprintf (buf, "%ld", n);
161 m = (hz % 1000000L) / 1000L;
163 sprintf (buf + l, ".%03ld", m);
168 * All attempts to come up with a "common" initialization sequence
169 * that works for all boards and architectures failed: some of the
170 * requirements are just _too_ different. To get rid of the resulting
171 * mess of board dependend #ifdef'ed code we now make the whole
172 * initialization sequence configurable to the user.
174 * The requirements for any new initalization function is simple: it
175 * receives a pointer to the "global data" structure as it's only
176 * argument, and returns an integer return code, where 0 means
177 * "continue" and != 0 means "fatal error, hang the system".
179 typedef int (init_fnc_t) (void);
181 /************************************************************************
183 ************************************************************************
184 * Some of this code should be moved into the core functions,
185 * but let's get it working (again) first...
188 static int init_baudrate (void)
190 char tmp[64]; /* long enough for environment variables */
191 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
193 gd->baudrate = (i > 0)
194 ? (int) simple_strtoul (tmp, NULL, 10)
199 /***********************************************************************/
201 #ifdef CONFIG_ADD_RAM_INFO
202 void board_add_ram_info(int);
205 static int init_func_ram (void)
207 #ifdef CONFIG_BOARD_TYPES
208 int board_type = gd->board_type;
210 int board_type = 0; /* use dummy arg */
214 if ((gd->ram_size = initdram (board_type)) > 0) {
215 print_size (gd->ram_size, "");
216 #ifdef CONFIG_ADD_RAM_INFO
217 board_add_ram_info(0);
226 /***********************************************************************/
228 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
229 static int init_func_i2c (void)
232 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
238 /***********************************************************************/
240 #if defined(CONFIG_WATCHDOG)
241 static int init_func_watchdog_init (void)
243 puts (" Watchdog enabled\n");
247 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
249 static int init_func_watchdog_reset (void)
254 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
256 # define INIT_FUNC_WATCHDOG_INIT /* undef */
257 # define INIT_FUNC_WATCHDOG_RESET /* undef */
258 #endif /* CONFIG_WATCHDOG */
260 /************************************************************************
261 * Initialization sequence *
262 ************************************************************************
265 init_fnc_t *init_sequence[] = {
267 #if defined(CONFIG_BOARD_EARLY_INIT_F)
271 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
272 get_clocks, /* get CPU and bus clocks (etc.) */
273 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
274 adjust_sdram_tbs_8xx,
278 #ifdef CFG_ALLOC_DPRAM
279 #if !defined(CONFIG_CPM2)
283 #if defined(CONFIG_BOARD_POSTCLK_INIT)
287 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
288 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
289 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
296 #if defined(CONFIG_8260)
299 #endif /* CONFIG_8260 */
301 #if defined(CONFIG_MPC83XX)
306 #if defined(CONFIG_MPC5xxx)
308 #endif /* CONFIG_MPC5xxx */
309 #if defined(CONFIG_MPC8220)
313 INIT_FUNC_WATCHDOG_INIT
314 #if defined(CONFIG_MISC_INIT_F)
317 INIT_FUNC_WATCHDOG_RESET
318 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
321 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
327 INIT_FUNC_WATCHDOG_RESET
329 #if defined(CFG_DRAM_TEST)
331 #endif /* CFG_DRAM_TEST */
332 INIT_FUNC_WATCHDOG_RESET
334 NULL, /* Terminate this list */
337 /************************************************************************
339 * This is the first part of the initialization sequence that is
340 * implemented in C, but still running from ROM.
342 * The main purpose is to provide a (serial) console interface as
343 * soon as possible (so we can see any error messages), and to
344 * initialize the RAM so that we can relocate the monitor code to
347 * Be aware of the restrictions: global data is read-only, BSS is not
348 * initialized, and stack space is limited to a few kB.
350 ************************************************************************
353 void board_init_f (ulong bootflag)
356 ulong len, addr, addr_sp;
359 init_fnc_t **init_fnc_ptr;
363 uchar tmp[64]; /* long enough for environment variables */
366 /* Pointer is writable since we allocated a register for it */
367 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
368 /* compiler optimization barrier needed for GCC >= 3.4 */
369 __asm__ __volatile__("": : :"memory");
371 #if !defined(CONFIG_CPM2)
372 /* Clear initial global data */
373 memset ((void *) gd, 0, sizeof (gd_t));
376 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
377 if ((*init_fnc_ptr) () != 0) {
383 * Now that we have DRAM mapped and working, we can
384 * relocate the code and continue running from DRAM.
386 * Reserve memory at end of RAM for (top down in that order):
387 * - kernel log buffer
391 * - board info struct
393 len = (ulong)&_end - CFG_MONITOR_BASE;
395 #ifndef CONFIG_VERY_BIG_RAM
396 addr = CFG_SDRAM_BASE + gd->ram_size;
398 /* only allow stack below 256M */
399 addr = CFG_SDRAM_BASE +
400 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
403 #ifdef CONFIG_LOGBUFFER
404 /* reserve kernel log buffer */
405 addr -= (LOGBUFF_RESERVE);
406 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
411 * reserve protected RAM
413 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
414 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
415 addr -= (reg << 10); /* size is in kB */
416 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
417 #endif /* CONFIG_PRAM */
419 /* round down to next 4 kB limit */
421 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
424 /* reserve memory for LCD display (always full pages) */
425 addr = lcd_setmem (addr);
427 #endif /* CONFIG_LCD */
429 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
430 /* reserve memory for video display (always full pages) */
431 addr = video_setmem (addr);
433 #endif /* CONFIG_VIDEO */
436 * reserve memory for U-Boot code, data & bss
437 * round down to next 4 kB limit
442 /* round down to next 64 kB limit so that IVPR stays aligned */
443 addr &= ~(65536 - 1);
446 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
448 #ifdef CONFIG_AMIGAONEG3SE
449 gd->relocaddr = addr;
453 * reserve memory for malloc() arena
455 addr_sp = addr - TOTAL_MALLOC_LEN;
456 debug ("Reserving %dk for malloc() at: %08lx\n",
457 TOTAL_MALLOC_LEN >> 10, addr_sp);
460 * (permanently) allocate a Board Info struct
461 * and a permanent copy of the "global" data
463 addr_sp -= sizeof (bd_t);
464 bd = (bd_t *) addr_sp;
466 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
467 sizeof (bd_t), addr_sp);
468 addr_sp -= sizeof (gd_t);
469 id = (gd_t *) addr_sp;
470 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
471 sizeof (gd_t), addr_sp);
474 * Finally, we set up a new (bigger) stack.
476 * Leave some safety gap for SP, force alignment on 16 byte boundary
477 * Clear initial stack frame
481 s = (ulong *)addr_sp;
485 debug ("Stack Pointer at: %08lx\n", addr_sp);
488 * Save local variables to board info struct
491 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
492 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
495 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
496 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
497 #elif defined CONFIG_MPC8220
498 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
499 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
501 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
502 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
505 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
507 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
509 #if defined(CONFIG_MPC5xxx)
510 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
512 #if defined(CONFIG_MPC83XX)
513 bd->bi_immrbar = CFG_IMMRBAR;
515 #if defined(CONFIG_MPC8220)
516 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
517 bd->bi_inpfreq = gd->inp_clk;
518 bd->bi_pcifreq = gd->pci_clk;
519 bd->bi_vcofreq = gd->vco_clk;
520 bd->bi_pevfreq = gd->pev_clk;
521 bd->bi_flbfreq = gd->flb_clk;
523 /* store bootparam to sram (backward compatible), here? */
525 u32 *sram = (u32 *)CFG_SRAM_BASE;
526 *sram++ = gd->ram_size;
527 *sram++ = gd->bus_clk;
528 *sram++ = gd->inp_clk;
529 *sram++ = gd->cpu_clk;
530 *sram++ = gd->vco_clk;
531 *sram++ = gd->flb_clk;
532 *sram++ = 0xb8c3ba11; /* boot signature */
536 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
539 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
540 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
541 #if defined(CONFIG_CPM2)
542 bd->bi_cpmfreq = gd->cpm_clk;
543 bd->bi_brgfreq = gd->brg_clk;
544 bd->bi_sccfreq = gd->scc_clk;
545 bd->bi_vco = gd->vco_out;
546 #endif /* CONFIG_CPM2 */
547 #if defined(CONFIG_MPC5xxx)
548 bd->bi_ipbfreq = gd->ipb_clk;
549 bd->bi_pcifreq = gd->pci_clk;
550 #endif /* CONFIG_MPC5xxx */
551 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
554 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
555 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
557 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
558 bd->bi_plb_busfreq = gd->bus_clk;
559 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
560 bd->bi_pci_busfreq = get_PCI_freq ();
561 bd->bi_opbfreq = get_OPB_freq ();
562 #elif defined(CONFIG_XILINX_ML300)
563 bd->bi_pci_busfreq = get_PCI_freq ();
567 debug ("New Stack Pointer is: %08lx\n", addr_sp);
572 post_bootmode_init();
573 post_run (NULL, POST_ROM | post_bootmode_get(0));
578 memcpy (id, (void *)gd, sizeof (gd_t));
580 relocate_code (addr_sp, id, addr);
582 /* NOTREACHED - relocate_code() does not return */
585 /************************************************************************
587 * This is the next part if the initialization sequence: we are now
588 * running from RAM and have a "normal" C environment, i. e. global
589 * data can be written, BSS has been cleared, the stack size in not
590 * that critical any more, etc.
592 ************************************************************************
594 void board_init_r (gd_t *id, ulong dest_addr)
600 extern void malloc_bin_reloc (void);
601 #ifndef CFG_ENV_IS_NOWHERE
602 extern char * env_name_spec;
609 gd = id; /* initialize RAM version of global data */
612 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
613 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
615 #ifdef CONFIG_SERIAL_MULTI
619 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
623 #if defined(CONFIG_BOARD_EARLY_INIT_R)
624 board_early_init_r ();
627 monitor_flash_len = (ulong)&__init_end - dest_addr;
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) || \
674 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
675 icache_enable (); /* it's time to enable the instruction cache */
678 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
679 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
682 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
684 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
685 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
690 #if defined(CONFIG_BAB7xx)
692 * Initialise the ISA bridge
694 initialise_w83c553f ();
697 asm ("sync ; isync");
700 * Setup trap handlers
702 trap_init (dest_addr);
704 #if !defined(CFG_NO_FLASH)
707 if ((flash_size = flash_init ()) > 0) {
708 # ifdef CFG_FLASH_CHECKSUM
709 print_size (flash_size, "");
711 * Compute and print flash CRC if flashchecksum is set to 'y'
713 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
715 s = getenv ("flashchecksum");
716 if (s && (*s == 'y')) {
717 printf (" CRC: %08lX",
718 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
722 # else /* !CFG_FLASH_CHECKSUM */
723 print_size (flash_size, "\n");
724 # endif /* CFG_FLASH_CHECKSUM */
730 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
731 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
732 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
733 /* flash mapped at end of memory map */
734 bd->bi_flashoffset = TEXT_BASE + flash_size;
735 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
736 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
738 bd->bi_flashoffset = 0;
740 #else /* CFG_NO_FLASH */
742 bd->bi_flashsize = 0;
743 bd->bi_flashstart = 0;
744 bd->bi_flashoffset = 0;
745 #endif /* !CFG_NO_FLASH */
749 /* initialize higher level parts of CPU like time base and timers */
754 /* initialize malloc() area */
759 # if !defined(CFG_ENV_IS_IN_EEPROM)
765 /* relocate environment function pointers etc. */
769 * Fill in missing fields of bd_info.
770 * We do this here, where we have "normal" access to the
771 * environment; we used to do this still running from ROM,
772 * where had to use getenv_r(), which can be pretty slow when
773 * the environment is in EEPROM.
776 #if defined(CFG_EXTBDINFO)
777 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
778 #if defined(CONFIG_I2CFAST)
780 * set bi_iic_fast for linux taking environment variable
781 * "i2cfast" into account
784 char *s = getenv ("i2cfast");
785 if (s && ((*s == 'y') || (*s == 'Y'))) {
786 bd->bi_iic_fast[0] = 1;
787 bd->bi_iic_fast[1] = 1;
789 bd->bi_iic_fast[0] = 0;
790 bd->bi_iic_fast[1] = 0;
794 bd->bi_iic_fast[0] = 0;
795 bd->bi_iic_fast[1] = 0;
796 #endif /* CONFIG_I2CFAST */
797 #endif /* CONFIG_405GP, CONFIG_405EP */
798 #endif /* CFG_EXTBDINFO */
800 s = getenv ("ethaddr");
801 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
803 board_get_enetaddr (bd->bi_enetaddr);
806 for (i = 0; i < 6; ++i) {
807 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
809 s = (*e) ? e + 1 : e;
812 if ((gd->board_type >> 16) == 2)
813 bd->bi_ethspeed = gd->board_type & 0xFFFF;
815 bd->bi_ethspeed = 0xFFFF;
819 load_sernum_ethaddr ();
822 #ifdef CONFIG_HAS_ETH1
823 /* handle the 2nd ethernet address */
825 s = getenv ("eth1addr");
827 for (i = 0; i < 6; ++i) {
828 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
830 s = (*e) ? e + 1 : e;
833 #ifdef CONFIG_HAS_ETH2
834 /* handle the 3rd ethernet address */
836 s = getenv ("eth2addr");
837 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
839 board_get_enetaddr(bd->bi_enet2addr);
842 for (i = 0; i < 6; ++i) {
843 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
845 s = (*e) ? e + 1 : e;
849 #ifdef CONFIG_HAS_ETH3
850 /* handle 4th ethernet address */
851 s = getenv("eth3addr");
852 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
854 board_get_enetaddr(bd->bi_enet3addr);
857 for (i = 0; i < 6; ++i) {
858 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
860 s = (*e) ? e + 1 : e;
864 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
865 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
866 load_sernum_ethaddr ();
869 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
873 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
875 * Do pci configuration
880 /** leave this here (after malloc(), environment and PCI are working) **/
881 /* Initialize devices */
884 /* Initialize the jump table for applications */
887 /* Initialize the console (after the relocation and devices init) */
890 #if defined(CONFIG_CCM) || \
891 defined(CONFIG_COGENT) || \
892 defined(CONFIG_CPCI405) || \
893 defined(CONFIG_EVB64260) || \
894 defined(CONFIG_KUP4K) || \
895 defined(CONFIG_KUP4X) || \
896 defined(CONFIG_LWMON) || \
897 defined(CONFIG_PCU_E) || \
898 defined(CONFIG_W7O) || \
899 defined(CONFIG_MISC_INIT_R)
900 /* miscellaneous platform dependent initialisations */
905 if (bd->bi_ethspeed != 0xFFFF)
906 hermes_start_lxt980 ((int) bd->bi_ethspeed);
909 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
915 debug ("U-Boot relocated to %08lx\n", dest_addr);
922 /* Must happen after interrupts are initialized since
923 * an irq handler gets installed
925 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
926 serial_buffered_init();
929 #ifdef CONFIG_STATUS_LED
930 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
937 /* Initialize from environment */
938 if ((s = getenv ("loadaddr")) != NULL) {
939 load_addr = simple_strtoul (s, NULL, 16);
941 #if (CONFIG_COMMANDS & CFG_CMD_NET)
942 if ((s = getenv ("bootfile")) != NULL) {
943 copy_filename (BootFile, s, sizeof (BootFile));
945 #endif /* CFG_CMD_NET */
949 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
955 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
961 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
964 nand_init(); /* go init the NAND */
967 #if (CONFIG_COMMANDS & CFG_CMD_NET)
968 #if defined(CONFIG_NET_MULTI)
975 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
976 defined(CONFIG_CCM) || \
977 defined(CONFIG_ELPT860) || \
978 defined(CONFIG_EP8260) || \
979 defined(CONFIG_IP860) || \
980 defined(CONFIG_IVML24) || \
981 defined(CONFIG_IVMS8) || \
982 defined(CONFIG_MPC8260ADS) || \
983 defined(CONFIG_MPC8266ADS) || \
984 defined(CONFIG_MPC8560ADS) || \
985 defined(CONFIG_PCU_E) || \
986 defined(CONFIG_RPXSUPER) || \
987 defined(CONFIG_STXGP3) || \
988 defined(CONFIG_SPD823TS) || \
989 defined(CONFIG_RESET_PHY_R) )
992 debug ("Reset Ethernet PHY\n");
997 post_run (NULL, POST_RAM | post_bootmode_get(0));
1000 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
1006 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1008 # ifdef CONFIG_IDE_8xx_PCCARD
1014 #endif /* CFG_CMD_IDE */
1016 #ifdef CONFIG_LAST_STAGE_INIT
1019 * Some parts can be only initialized if all others (like
1020 * Interrupts) are up and running (i.e. the PC-style ISA
1026 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1031 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1033 * Export available size of memory for Linux,
1034 * taking into account the protected RAM at top of memory
1042 if ((s = getenv ("pram")) != NULL) {
1043 pram = simple_strtoul (s, NULL, 10);
1050 #ifdef CONFIG_LOGBUFFER
1051 /* Also take the logbuffer into account (pram is in kB) */
1052 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1054 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1055 setenv ("mem", (char *)memsz);
1059 #ifdef CONFIG_PS2KBD
1064 #ifdef CONFIG_MODEM_SUPPORT
1066 extern int do_mdm_init;
1067 do_mdm_init = gd->do_mdm_init;
1071 /* Initialization complete - start the monitor */
1073 /* main_loop() can return to retry autoboot, if so just run it again. */
1079 /* NOTREACHED - no way out of command loop except booting */
1084 puts ("### ERROR ### Please RESET the board ###\n");
1085 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1086 show_boot_progress(-30);
1091 #ifdef CONFIG_MODEM_SUPPORT
1092 /* called from main loop (common/main.c) */
1093 /* 'inline' - We have to do it fast */
1094 static inline void mdm_readline(char *buf, int bufsiz)
1105 /* dbg("(%c)", c); */
1117 return; /* sanity check */
1126 extern void dbg(const char *fmt, ...);
1132 extern char console_buffer[];
1133 extern void enable_putc(void);
1134 extern int hwflow_onoff(int);
1136 enable_putc(); /* enable serial_putc() */
1138 #ifdef CONFIG_HWFLOW
1139 init_str = getenv("mdm_flow_control");
1140 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1147 sprintf(env_str, "mdm_init%d", i);
1148 if ((init_str = getenv(env_str)) != NULL) {
1149 serial_puts(init_str);
1152 mdm_readline(console_buffer, CFG_CBSIZE);
1153 dbg("ini%d: [%s]", i, console_buffer);
1155 if ((strcmp(console_buffer, "OK") == 0) ||
1156 (strcmp(console_buffer, "ERROR") == 0)) {
1157 dbg("ini%d: cmd done", i);
1159 } else /* in case we are originating call ... */
1160 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1161 dbg("ini%d: connect", i);
1166 break; /* no init string - stop modem init */
1173 /* final stage - wait for connect */
1174 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1175 message from modem */
1176 mdm_readline(console_buffer, CFG_CBSIZE);
1177 dbg("ini_f: [%s]", console_buffer);
1178 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1179 dbg("ini_f: connected");
1189 #if 0 /* We could use plain global data, but the resulting code is bigger */
1191 * Pointer to initial global data area
1193 * Here we initialize it.
1195 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1196 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1197 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1200 /************************************************************************/