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 #if defined(CFG_ENV_IS_EMBEDDED)
95 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
96 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
97 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
98 defined(CFG_ENV_IS_IN_NVRAM)
99 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
101 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
104 extern ulong __init_end;
106 ulong monitor_flash_len;
108 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
109 #include <bedbug/type.h>
113 * Begin and End of memory area for malloc(), and current "brk"
115 static ulong mem_malloc_start = 0;
116 static ulong mem_malloc_end = 0;
117 static ulong mem_malloc_brk = 0;
119 /************************************************************************
121 ************************************************************************
125 * The Malloc area is immediately below the monitor copy in DRAM
127 static void mem_malloc_init (void)
129 DECLARE_GLOBAL_DATA_PTR;
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 DECLARE_GLOBAL_DATA_PTR;
192 uchar tmp[64]; /* long enough for environment variables */
193 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
195 gd->baudrate = (i > 0)
196 ? (int) simple_strtoul (tmp, NULL, 10)
201 /***********************************************************************/
203 static int init_func_ram (void)
205 DECLARE_GLOBAL_DATA_PTR;
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, "\n");
222 /***********************************************************************/
224 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
225 static int init_func_i2c (void)
228 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
234 /***********************************************************************/
236 #if defined(CONFIG_WATCHDOG)
237 static int init_func_watchdog_init (void)
239 puts (" Watchdog enabled\n");
243 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
245 static int init_func_watchdog_reset (void)
250 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
252 # define INIT_FUNC_WATCHDOG_INIT /* undef */
253 # define INIT_FUNC_WATCHDOG_RESET /* undef */
254 #endif /* CONFIG_WATCHDOG */
256 /************************************************************************
257 * Initialization sequence *
258 ************************************************************************
261 init_fnc_t *init_sequence[] = {
263 #if defined(CONFIG_BOARD_EARLY_INIT_F)
267 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
268 get_clocks, /* get CPU and bus clocks (etc.) */
269 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M)
270 adjust_sdram_tbs_8xx,
274 #ifdef CFG_ALLOC_DPRAM
275 #if !defined(CONFIG_CPM2)
279 #if defined(CONFIG_BOARD_POSTCLK_INIT)
283 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
284 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
285 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
292 #if defined(CONFIG_8260)
295 #endif /* CONFIG_8260 */
297 #if defined(CONFIG_MPC83XX)
302 #if defined(CONFIG_MPC5xxx)
304 #endif /* CONFIG_MPC5xxx */
305 #if defined(CONFIG_MPC8220)
309 INIT_FUNC_WATCHDOG_INIT
310 #if defined(CONFIG_MISC_INIT_F)
313 INIT_FUNC_WATCHDOG_RESET
314 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
317 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
323 INIT_FUNC_WATCHDOG_RESET
325 #if defined(CFG_DRAM_TEST)
327 #endif /* CFG_DRAM_TEST */
328 INIT_FUNC_WATCHDOG_RESET
330 NULL, /* Terminate this list */
333 /************************************************************************
335 * This is the first part of the initialization sequence that is
336 * implemented in C, but still running from ROM.
338 * The main purpose is to provide a (serial) console interface as
339 * soon as possible (so we can see any error messages), and to
340 * initialize the RAM so that we can relocate the monitor code to
343 * Be aware of the restrictions: global data is read-only, BSS is not
344 * initialized, and stack space is limited to a few kB.
346 ************************************************************************
349 void board_init_f (ulong bootflag)
351 DECLARE_GLOBAL_DATA_PTR;
354 ulong len, addr, addr_sp;
356 init_fnc_t **init_fnc_ptr;
360 uchar tmp[64]; /* long enough for environment variables */
363 /* Pointer is writable since we allocated a register for it */
364 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
365 /* compiler optimization barrier needed for GCC >= 3.4 */
366 __asm__ __volatile__("": : :"memory");
368 #if !defined(CONFIG_CPM2)
369 /* Clear initial global data */
370 memset ((void *) gd, 0, sizeof (gd_t));
373 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
374 if ((*init_fnc_ptr) () != 0) {
380 * Now that we have DRAM mapped and working, we can
381 * relocate the code and continue running from DRAM.
383 * Reserve memory at end of RAM for (top down in that order):
384 * - kernel log buffer
388 * - board info struct
390 len = (ulong)&_end - CFG_MONITOR_BASE;
392 #ifndef CONFIG_VERY_BIG_RAM
393 addr = CFG_SDRAM_BASE + gd->ram_size;
395 /* only allow stack below 256M */
396 addr = CFG_SDRAM_BASE +
397 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
400 #ifdef CONFIG_LOGBUFFER
401 /* reserve kernel log buffer */
402 addr -= (LOGBUFF_RESERVE);
403 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
408 * reserve protected RAM
410 i = getenv_r ("pram", tmp, sizeof (tmp));
411 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
412 addr -= (reg << 10); /* size is in kB */
413 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
414 #endif /* CONFIG_PRAM */
416 /* round down to next 4 kB limit */
418 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
421 /* reserve memory for LCD display (always full pages) */
422 addr = lcd_setmem (addr);
424 #endif /* CONFIG_LCD */
426 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
427 /* reserve memory for video display (always full pages) */
428 addr = video_setmem (addr);
430 #endif /* CONFIG_VIDEO */
433 * reserve memory for U-Boot code, data & bss
434 * round down to next 4 kB limit
439 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
441 #ifdef CONFIG_AMIGAONEG3SE
442 gd->relocaddr = addr;
446 * reserve memory for malloc() arena
448 addr_sp = addr - TOTAL_MALLOC_LEN;
449 debug ("Reserving %dk for malloc() at: %08lx\n",
450 TOTAL_MALLOC_LEN >> 10, addr_sp);
453 * (permanently) allocate a Board Info struct
454 * and a permanent copy of the "global" data
456 addr_sp -= sizeof (bd_t);
457 bd = (bd_t *) addr_sp;
459 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
460 sizeof (bd_t), addr_sp);
461 addr_sp -= sizeof (gd_t);
462 id = (gd_t *) addr_sp;
463 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
464 sizeof (gd_t), addr_sp);
467 * Finally, we set up a new (bigger) stack.
469 * Leave some safety gap for SP, force alignment on 16 byte boundary
470 * Clear initial stack frame
474 *((ulong *) addr_sp)-- = 0;
475 *((ulong *) addr_sp)-- = 0;
476 debug ("Stack Pointer at: %08lx\n", addr_sp);
479 * Save local variables to board info struct
482 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
483 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
486 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
487 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
488 #elif defined CONFIG_MPC8220
489 bd->bi_sramstart = CFG_SRAM_BASE; /* start of SRAM memory */
490 bd->bi_sramsize = CFG_SRAM_SIZE; /* size of SRAM memory */
492 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
493 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
496 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
498 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
500 #if defined(CONFIG_MPC5xxx)
501 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
503 #if defined(CONFIG_MPC83XX)
504 bd->bi_immrbar = CFG_IMMRBAR;
506 #if defined(CONFIG_MPC8220)
507 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
508 bd->bi_inpfreq = gd->inp_clk;
509 bd->bi_pcifreq = gd->pci_clk;
510 bd->bi_vcofreq = gd->vco_clk;
511 bd->bi_pevfreq = gd->pev_clk;
512 bd->bi_flbfreq = gd->flb_clk;
514 /* store bootparam to sram (backward compatible), here? */
516 u32 *sram = (u32 *)CFG_SRAM_BASE;
517 *sram++ = gd->ram_size;
518 *sram++ = gd->bus_clk;
519 *sram++ = gd->inp_clk;
520 *sram++ = gd->cpu_clk;
521 *sram++ = gd->vco_clk;
522 *sram++ = gd->flb_clk;
523 *sram++ = 0xb8c3ba11; /* boot signature */
527 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
530 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
531 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
532 #if defined(CONFIG_CPM2)
533 bd->bi_cpmfreq = gd->cpm_clk;
534 bd->bi_brgfreq = gd->brg_clk;
535 bd->bi_sccfreq = gd->scc_clk;
536 bd->bi_vco = gd->vco_out;
537 #endif /* CONFIG_CPM2 */
538 #if defined(CONFIG_MPC5xxx)
539 bd->bi_ipbfreq = gd->ipb_clk;
540 bd->bi_pcifreq = gd->pci_clk;
541 #endif /* CONFIG_MPC5xxx */
542 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
545 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
546 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
548 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
549 bd->bi_plb_busfreq = gd->bus_clk;
550 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
551 bd->bi_pci_busfreq = get_PCI_freq ();
552 bd->bi_opbfreq = get_OPB_freq ();
553 #elif defined(CONFIG_XILINX_ML300)
554 bd->bi_pci_busfreq = get_PCI_freq ();
558 debug ("New Stack Pointer is: %08lx\n", addr_sp);
563 post_bootmode_init();
564 post_run (NULL, POST_ROM | post_bootmode_get(0));
569 memcpy (id, (void *)gd, sizeof (gd_t));
571 relocate_code (addr_sp, id, addr);
573 /* NOTREACHED - relocate_code() does not return */
577 /************************************************************************
579 * This is the next part if the initialization sequence: we are now
580 * running from RAM and have a "normal" C environment, i. e. global
581 * data can be written, BSS has been cleared, the stack size in not
582 * that critical any more, etc.
584 ************************************************************************
587 void board_init_r (gd_t *id, ulong dest_addr)
589 DECLARE_GLOBAL_DATA_PTR;
594 extern void malloc_bin_reloc (void);
595 #ifndef CFG_ENV_IS_NOWHERE
596 extern char * env_name_spec;
603 gd = id; /* initialize RAM version of global data */
606 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
608 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
612 #if defined(CONFIG_BOARD_EARLY_INIT_R)
613 board_early_init_r ();
616 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
618 monitor_flash_len = (ulong)&__init_end - dest_addr;
620 #ifdef CONFIG_SERIAL_MULTI
625 * We have to relocate the command table manually
627 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
629 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
631 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
632 cmdtp->name, (ulong) (cmdtp->cmd), addr);
635 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
637 addr = (ulong)(cmdtp->name) + gd->reloc_off;
638 cmdtp->name = (char *)addr;
641 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
642 cmdtp->usage = (char *)addr;
646 addr = (ulong)(cmdtp->help) + gd->reloc_off;
647 cmdtp->help = (char *)addr;
651 /* there are some other pointer constants we must deal with */
652 #ifndef CFG_ENV_IS_NOWHERE
653 env_name_spec += gd->reloc_off;
658 #ifdef CONFIG_LOGBUFFER
659 logbuff_init_ptrs ();
662 post_output_backlog ();
668 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
669 icache_enable (); /* it's time to enable the instruction cache */
672 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
673 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
676 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
678 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
679 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
684 #if defined(CONFIG_BAB7xx)
686 * Initialise the ISA bridge
688 initialise_w83c553f ();
691 asm ("sync ; isync");
694 * Setup trap handlers
696 trap_init (dest_addr);
698 #if !defined(CFG_NO_FLASH)
701 if ((flash_size = flash_init ()) > 0) {
702 # ifdef CFG_FLASH_CHECKSUM
703 print_size (flash_size, "");
705 * Compute and print flash CRC if flashchecksum is set to 'y'
707 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
709 s = getenv ("flashchecksum");
710 if (s && (*s == 'y')) {
711 printf (" CRC: %08lX",
712 crc32 (0, (const unsigned char *) CFG_FLASH_BASE, flash_size)
716 # else /* !CFG_FLASH_CHECKSUM */
717 print_size (flash_size, "\n");
718 # endif /* CFG_FLASH_CHECKSUM */
724 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
725 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
726 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
727 /* flash mapped at end of memory map */
728 bd->bi_flashoffset = TEXT_BASE + flash_size;
729 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
730 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
732 bd->bi_flashoffset = 0;
734 #else /* CFG_NO_FLASH */
736 bd->bi_flashsize = 0;
737 bd->bi_flashstart = 0;
738 bd->bi_flashoffset = 0;
739 #endif /* !CFG_NO_FLASH */
743 /* initialize higher level parts of CPU like time base and timers */
748 /* initialize malloc() area */
753 # if !defined(CFG_ENV_IS_IN_EEPROM)
759 /* relocate environment function pointers etc. */
763 * Fill in missing fields of bd_info.
764 * We do this here, where we have "normal" access to the
765 * environment; we used to do this still running from ROM,
766 * where had to use getenv_r(), which can be pretty slow when
767 * the environment is in EEPROM.
770 #if defined(CFG_EXTBDINFO)
771 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
772 #if defined(CONFIG_I2CFAST)
774 * set bi_iic_fast for linux taking environment variable
775 * "i2cfast" into account
778 char *s = getenv ("i2cfast");
779 if (s && ((*s == 'y') || (*s == 'Y'))) {
780 bd->bi_iic_fast[0] = 1;
781 bd->bi_iic_fast[1] = 1;
783 bd->bi_iic_fast[0] = 0;
784 bd->bi_iic_fast[1] = 0;
788 bd->bi_iic_fast[0] = 0;
789 bd->bi_iic_fast[1] = 0;
790 #endif /* CONFIG_I2CFAST */
791 #endif /* CONFIG_405GP, CONFIG_405EP */
792 #endif /* CFG_EXTBDINFO */
794 s = getenv ("ethaddr");
795 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
797 board_get_enetaddr (bd->bi_enetaddr);
800 for (i = 0; i < 6; ++i) {
801 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
803 s = (*e) ? e + 1 : e;
806 if ((gd->board_type >> 16) == 2)
807 bd->bi_ethspeed = gd->board_type & 0xFFFF;
809 bd->bi_ethspeed = 0xFFFF;
813 load_sernum_ethaddr ();
816 #ifdef CONFIG_HAS_ETH1
817 /* handle the 2nd ethernet address */
819 s = getenv ("eth1addr");
821 for (i = 0; i < 6; ++i) {
822 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
824 s = (*e) ? e + 1 : e;
827 #ifdef CONFIG_HAS_ETH2
828 /* handle the 3rd ethernet address */
830 s = getenv ("eth2addr");
831 #if defined(CONFIG_XPEDITE1K)
833 board_get_enetaddr(bd->bi_enet2addr);
836 for (i = 0; i < 6; ++i) {
837 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
839 s = (*e) ? e + 1 : e;
843 #ifdef CONFIG_HAS_ETH3
844 /* handle 4th ethernet address */
845 s = getenv("eth3addr");
846 #if defined(CONFIG_XPEDITE1K)
848 board_get_enetaddr(bd->bi_enet3addr);
851 for (i = 0; i < 6; ++i) {
852 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
854 s = (*e) ? e + 1 : e;
858 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
859 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X)
860 load_sernum_ethaddr ();
863 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
867 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
869 * Do pci configuration
874 /** leave this here (after malloc(), environment and PCI are working) **/
875 /* Initialize devices */
878 /* Initialize the jump table for applications */
881 /* Initialize the console (after the relocation and devices init) */
884 #if defined(CONFIG_CCM) || \
885 defined(CONFIG_COGENT) || \
886 defined(CONFIG_CPCI405) || \
887 defined(CONFIG_EVB64260) || \
888 defined(CONFIG_KUP4K) || \
889 defined(CONFIG_KUP4X) || \
890 defined(CONFIG_LWMON) || \
891 defined(CONFIG_PCU_E) || \
892 defined(CONFIG_W7O) || \
893 defined(CONFIG_MISC_INIT_R)
894 /* miscellaneous platform dependent initialisations */
899 if (bd->bi_ethspeed != 0xFFFF)
900 hermes_start_lxt980 ((int) bd->bi_ethspeed);
903 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
904 defined(CONFIG_CCM) || \
905 defined(CONFIG_ELPT860) || \
906 defined(CONFIG_EP8260) || \
907 defined(CONFIG_IP860) || \
908 defined(CONFIG_IVML24) || \
909 defined(CONFIG_IVMS8) || \
910 defined(CONFIG_MPC8260ADS) || \
911 defined(CONFIG_MPC8266ADS) || \
912 defined(CONFIG_MPC8560ADS) || \
913 defined(CONFIG_PCU_E) || \
914 defined(CONFIG_RPXSUPER) || \
915 defined(CONFIG_STXGP3) || \
916 defined(CONFIG_SPD823TS) || \
917 defined(CONFIG_RESET_PHY_R) )
920 debug ("Reset Ethernet PHY\n");
924 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
930 debug ("U-Boot relocated to %08lx\n", dest_addr);
937 /* Must happen after interrupts are initialized since
938 * an irq handler gets installed
940 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
941 serial_buffered_init();
944 #ifdef CONFIG_STATUS_LED
945 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
952 /* Initialize from environment */
953 if ((s = getenv ("loadaddr")) != NULL) {
954 load_addr = simple_strtoul (s, NULL, 16);
956 #if (CONFIG_COMMANDS & CFG_CMD_NET)
957 if ((s = getenv ("bootfile")) != NULL) {
958 copy_filename (BootFile, s, sizeof (BootFile));
960 #endif /* CFG_CMD_NET */
964 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
970 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
976 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
979 nand_init(); /* go init the NAND */
982 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
989 post_run (NULL, POST_RAM | post_bootmode_get(0));
992 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
998 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
1000 # ifdef CONFIG_IDE_8xx_PCCARD
1006 #endif /* CFG_CMD_IDE */
1008 #ifdef CONFIG_LAST_STAGE_INIT
1011 * Some parts can be only initialized if all others (like
1012 * Interrupts) are up and running (i.e. the PC-style ISA
1018 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
1023 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1025 * Export available size of memory for Linux,
1026 * taking into account the protected RAM at top of memory
1034 if ((s = getenv ("pram")) != NULL) {
1035 pram = simple_strtoul (s, NULL, 10);
1042 #ifdef CONFIG_LOGBUFFER
1043 /* Also take the logbuffer into account (pram is in kB) */
1044 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1046 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1047 setenv ("mem", memsz);
1051 #ifdef CONFIG_PS2KBD
1056 #ifdef CONFIG_MODEM_SUPPORT
1058 extern int do_mdm_init;
1059 do_mdm_init = gd->do_mdm_init;
1063 /* Initialization complete - start the monitor */
1065 /* main_loop() can return to retry autoboot, if so just run it again. */
1071 /* NOTREACHED - no way out of command loop except booting */
1076 puts ("### ERROR ### Please RESET the board ###\n");
1077 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1078 show_boot_progress(-30);
1083 #ifdef CONFIG_MODEM_SUPPORT
1084 /* called from main loop (common/main.c) */
1085 extern void dbg(const char *fmt, ...);
1091 extern char console_buffer[];
1092 static inline void mdm_readline(char *buf, int bufsiz);
1093 extern void enable_putc(void);
1094 extern int hwflow_onoff(int);
1096 enable_putc(); /* enable serial_putc() */
1098 #ifdef CONFIG_HWFLOW
1099 init_str = getenv("mdm_flow_control");
1100 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1107 sprintf(env_str, "mdm_init%d", i);
1108 if ((init_str = getenv(env_str)) != NULL) {
1109 serial_puts(init_str);
1112 mdm_readline(console_buffer, CFG_CBSIZE);
1113 dbg("ini%d: [%s]", i, console_buffer);
1115 if ((strcmp(console_buffer, "OK") == 0) ||
1116 (strcmp(console_buffer, "ERROR") == 0)) {
1117 dbg("ini%d: cmd done", i);
1119 } else /* in case we are originating call ... */
1120 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1121 dbg("ini%d: connect", i);
1126 break; /* no init string - stop modem init */
1133 /* final stage - wait for connect */
1134 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1135 message from modem */
1136 mdm_readline(console_buffer, CFG_CBSIZE);
1137 dbg("ini_f: [%s]", console_buffer);
1138 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1139 dbg("ini_f: connected");
1147 /* 'inline' - We have to do it fast */
1148 static inline void mdm_readline(char *buf, int bufsiz)
1159 /* dbg("(%c)", c); */
1171 return; /* sanity check */
1181 #if 0 /* We could use plain global data, but the resulting code is bigger */
1183 * Pointer to initial global data area
1185 * Here we initialize it.
1187 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1188 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1189 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1192 /************************************************************************/