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>
51 #ifdef CFG_ALLOC_DPRAM
52 #if !(defined(CONFIG_8260)||defined(CONFIG_MPC8560))
57 #if defined(CONFIG_BAB7xx)
61 #if defined(CONFIG_POST)
64 #if defined(CONFIG_LOGBUFFER)
67 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
68 #include <asm/cache.h>
74 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
77 #if defined(CONFIG_HARD_I2C) || \
78 defined(CONFIG_SOFT_I2C)
81 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
82 void nand_init (void);
85 static char *failed = "*** failed ***\n";
87 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
88 extern flash_info_t flash_info[];
91 #include <environment.h>
93 #if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
94 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
95 defined(CFG_ENV_IS_IN_NVRAM)
96 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
98 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
101 extern ulong __init_end;
103 ulong monitor_flash_len;
105 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
106 #include <bedbug/type.h>
110 * Begin and End of memory area for malloc(), and current "brk"
112 static ulong mem_malloc_start = 0;
113 static ulong mem_malloc_end = 0;
114 static ulong mem_malloc_brk = 0;
116 /************************************************************************
118 ************************************************************************
122 * The Malloc area is immediately below the monitor copy in DRAM
124 static void mem_malloc_init (void)
126 DECLARE_GLOBAL_DATA_PTR;
128 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
130 mem_malloc_end = dest_addr;
131 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
132 mem_malloc_brk = mem_malloc_start;
134 memset ((void *) mem_malloc_start,
136 mem_malloc_end - mem_malloc_start);
139 void *sbrk (ptrdiff_t increment)
141 ulong old = mem_malloc_brk;
142 ulong new = old + increment;
144 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
147 mem_malloc_brk = new;
148 return ((void *) old);
151 char *strmhz (char *buf, long hz)
157 l = sprintf (buf, "%ld", n);
158 m = (hz % 1000000L) / 1000L;
160 sprintf (buf + l, ".%03ld", m);
165 * All attempts to come up with a "common" initialization sequence
166 * that works for all boards and architectures failed: some of the
167 * requirements are just _too_ different. To get rid of the resulting
168 * mess of board dependend #ifdef'ed code we now make the whole
169 * initialization sequence configurable to the user.
171 * The requirements for any new initalization function is simple: it
172 * receives a pointer to the "global data" structure as it's only
173 * argument, and returns an integer return code, where 0 means
174 * "continue" and != 0 means "fatal error, hang the system".
176 typedef int (init_fnc_t) (void);
178 /************************************************************************
180 ************************************************************************
181 * Some of this code should be moved into the core functions,
182 * but let's get it working (again) first...
185 static int init_baudrate (void)
187 DECLARE_GLOBAL_DATA_PTR;
189 uchar 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 static int init_func_ram (void)
202 DECLARE_GLOBAL_DATA_PTR;
204 #ifdef CONFIG_BOARD_TYPES
205 int board_type = gd->board_type;
207 int board_type = 0; /* use dummy arg */
211 if ((gd->ram_size = initdram (board_type)) > 0) {
212 print_size (gd->ram_size, "\n");
219 /***********************************************************************/
221 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
222 static int init_func_i2c (void)
225 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
231 /***********************************************************************/
233 #if defined(CONFIG_WATCHDOG)
234 static int init_func_watchdog_init (void)
236 puts (" Watchdog enabled\n");
240 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
242 static int init_func_watchdog_reset (void)
247 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
249 # define INIT_FUNC_WATCHDOG_INIT /* undef */
250 # define INIT_FUNC_WATCHDOG_RESET /* undef */
251 #endif /* CONFIG_WATCHDOG */
253 /************************************************************************
254 * Initialization sequence *
255 ************************************************************************
258 init_fnc_t *init_sequence[] = {
260 #if defined(CONFIG_BOARD_EARLY_INIT_F)
264 #if !defined(CONFIG_TQM866M)
265 get_clocks, /* get CPU and bus clocks (etc.) */
268 #ifdef CFG_ALLOC_DPRAM
269 #if !(defined(CONFIG_8260) || defined(CONFIG_MPC8560))
273 #if defined(CONFIG_BOARD_POSTCLK_INIT)
277 #if defined(CONFIG_TQM866M)
278 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
279 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
286 #if defined(CONFIG_8260)
289 #endif /* CONFIG_8260 */
291 #if defined(CONFIG_MPC5xxx)
293 #endif /* CONFIG_MPC5xxx */
295 INIT_FUNC_WATCHDOG_INIT
296 #if defined(CONFIG_MISC_INIT_F)
299 INIT_FUNC_WATCHDOG_RESET
300 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
303 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
309 INIT_FUNC_WATCHDOG_RESET
311 #if defined(CFG_DRAM_TEST)
313 #endif /* CFG_DRAM_TEST */
314 INIT_FUNC_WATCHDOG_RESET
316 NULL, /* Terminate this list */
319 /************************************************************************
321 * This is the first part of the initialization sequence that is
322 * implemented in C, but still running from ROM.
324 * The main purpose is to provide a (serial) console interface as
325 * soon as possible (so we can see any error messages), and to
326 * initialize the RAM so that we can relocate the monitor code to
329 * Be aware of the restrictions: global data is read-only, BSS is not
330 * initialized, and stack space is limited to a few kB.
332 ************************************************************************
335 void board_init_f (ulong bootflag)
337 DECLARE_GLOBAL_DATA_PTR;
340 ulong len, addr, addr_sp;
342 init_fnc_t **init_fnc_ptr;
346 uchar tmp[64]; /* long enough for environment variables */
349 /* Pointer is writable since we allocated a register for it */
350 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
352 #if !(defined(CONFIG_8260) || defined(CONFIG_MPC8560))
353 /* Clear initial global data */
354 memset ((void *) gd, 0, sizeof (gd_t));
357 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
358 if ((*init_fnc_ptr) () != 0) {
364 * Now that we have DRAM mapped and working, we can
365 * relocate the code and continue running from DRAM.
367 * Reserve memory at end of RAM for (top down in that order):
368 * - kernel log buffer
372 * - board info struct
374 len = (ulong)&_end - CFG_MONITOR_BASE;
376 #ifndef CONFIG_VERY_BIG_RAM
377 addr = CFG_SDRAM_BASE + gd->ram_size;
379 /* only allow stack below 256M */
380 addr = CFG_SDRAM_BASE +
381 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
384 #ifdef CONFIG_LOGBUFFER
385 /* reserve kernel log buffer */
386 addr -= (LOGBUFF_RESERVE);
387 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
392 * reserve protected RAM
394 i = getenv_r ("pram", tmp, sizeof (tmp));
395 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
396 addr -= (reg << 10); /* size is in kB */
397 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
398 #endif /* CONFIG_PRAM */
400 /* round down to next 4 kB limit */
402 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
405 /* reserve memory for LCD display (always full pages) */
406 addr = lcd_setmem (addr);
408 #endif /* CONFIG_LCD */
410 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
411 /* reserve memory for video display (always full pages) */
412 addr = video_setmem (addr);
414 #endif /* CONFIG_VIDEO */
417 * reserve memory for U-Boot code, data & bss
418 * round down to next 4 kB limit
423 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
425 #ifdef CONFIG_AMIGAONEG3SE
426 gd->relocaddr = addr;
430 * reserve memory for malloc() arena
432 addr_sp = addr - TOTAL_MALLOC_LEN;
433 debug ("Reserving %dk for malloc() at: %08lx\n",
434 TOTAL_MALLOC_LEN >> 10, addr_sp);
437 * (permanently) allocate a Board Info struct
438 * and a permanent copy of the "global" data
440 addr_sp -= sizeof (bd_t);
441 bd = (bd_t *) addr_sp;
443 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
444 sizeof (bd_t), addr_sp);
445 addr_sp -= sizeof (gd_t);
446 id = (gd_t *) addr_sp;
447 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
448 sizeof (gd_t), addr_sp);
451 * Finally, we set up a new (bigger) stack.
453 * Leave some safety gap for SP, force alignment on 16 byte boundary
454 * Clear initial stack frame
458 *((ulong *) addr_sp)-- = 0;
459 *((ulong *) addr_sp)-- = 0;
460 debug ("Stack Pointer at: %08lx\n", addr_sp);
463 * Save local variables to board info struct
466 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
467 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
470 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
471 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
473 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
474 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
477 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
479 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
481 #if defined(CONFIG_MPC5xxx)
482 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
485 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
488 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
489 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
490 #if defined(CONFIG_8260) || defined(CONFIG_MPC8560)
491 bd->bi_cpmfreq = gd->cpm_clk;
492 bd->bi_brgfreq = gd->brg_clk;
493 bd->bi_sccfreq = gd->scc_clk;
494 bd->bi_vco = gd->vco_out;
495 #endif /* CONFIG_8260 */
496 #if defined(CONFIG_MPC5xxx)
497 bd->bi_ipbfreq = gd->ipb_clk;
498 bd->bi_pcifreq = gd->pci_clk;
499 #endif /* CONFIG_MPC5xxx */
500 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
503 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
504 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
506 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
507 bd->bi_plb_busfreq = gd->bus_clk;
508 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
509 bd->bi_pci_busfreq = get_PCI_freq ();
510 bd->bi_opbfreq = get_OPB_freq ();
512 bd->bi_iic_fast[0] = 0;
513 bd->bi_iic_fast[1] = 0;
514 #elif defined(CONFIG_XILINX_ML300)
515 bd->bi_pci_busfreq = get_PCI_freq ();
519 debug ("New Stack Pointer is: %08lx\n", addr_sp);
524 post_bootmode_init();
525 post_run (NULL, POST_ROM | post_bootmode_get(0));
530 memcpy (id, (void *)gd, sizeof (gd_t));
532 relocate_code (addr_sp, id, addr);
534 /* NOTREACHED - relocate_code() does not return */
538 /************************************************************************
540 * This is the next part if the initialization sequence: we are now
541 * running from RAM and have a "normal" C environment, i. e. global
542 * data can be written, BSS has been cleared, the stack size in not
543 * that critical any more, etc.
545 ************************************************************************
548 void board_init_r (gd_t *id, ulong dest_addr)
550 DECLARE_GLOBAL_DATA_PTR;
555 extern void malloc_bin_reloc (void);
556 #ifndef CFG_ENV_IS_NOWHERE
557 extern char * env_name_spec;
564 gd = id; /* initialize RAM version of global data */
567 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
569 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
573 #if defined(CONFIG_BOARD_EARLY_INIT_R)
574 board_early_init_r ();
577 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
579 monitor_flash_len = (ulong)&__init_end - dest_addr;
582 * We have to relocate the command table manually
584 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
586 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
588 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
589 cmdtp->name, (ulong) (cmdtp->cmd), addr);
592 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
594 addr = (ulong)(cmdtp->name) + gd->reloc_off;
595 cmdtp->name = (char *)addr;
598 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
599 cmdtp->usage = (char *)addr;
603 addr = (ulong)(cmdtp->help) + gd->reloc_off;
604 cmdtp->help = (char *)addr;
608 /* there are some other pointer constants we must deal with */
609 #ifndef CFG_ENV_IS_NOWHERE
610 env_name_spec += gd->reloc_off;
615 #ifdef CONFIG_LOGBUFFER
616 logbuff_init_ptrs ();
619 post_output_backlog ();
625 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
626 icache_enable (); /* it's time to enable the instruction cache */
629 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
630 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
633 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
635 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
636 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
641 #if defined(CONFIG_BAB7xx)
643 * Initialise the ISA bridge
645 initialise_w83c553f ();
648 asm ("sync ; isync");
651 * Setup trap handlers
653 trap_init (dest_addr);
655 #if !defined(CFG_NO_FLASH)
658 if ((flash_size = flash_init ()) > 0) {
659 # ifdef CFG_FLASH_CHECKSUM
660 print_size (flash_size, "");
662 * Compute and print flash CRC if flashchecksum is set to 'y'
664 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
666 s = getenv ("flashchecksum");
667 if (s && (*s == 'y')) {
668 printf (" CRC: %08lX",
670 (const unsigned char *) CFG_FLASH_BASE,
675 # else /* !CFG_FLASH_CHECKSUM */
676 print_size (flash_size, "\n");
677 # endif /* CFG_FLASH_CHECKSUM */
683 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
684 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
685 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
686 bd->bi_flashoffset = 0;
687 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
688 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
690 bd->bi_flashoffset = 0;
692 #else /* CFG_NO_FLASH */
694 bd->bi_flashsize = 0;
695 bd->bi_flashstart = 0;
696 bd->bi_flashoffset = 0;
697 #endif /* !CFG_NO_FLASH */
701 /* initialize higher level parts of CPU like time base and timers */
706 /* initialize malloc() area */
711 # if !defined(CFG_ENV_IS_IN_EEPROM)
717 /* relocate environment function pointers etc. */
721 * Fill in missing fields of bd_info.
722 * We do this here, where we have "normal" access to the
723 * environment; we used to do this still running from ROM,
724 * where had to use getenv_r(), which can be pretty slow when
725 * the environment is in EEPROM.
727 s = getenv ("ethaddr");
728 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
730 board_get_enetaddr (bd->bi_enetaddr);
733 for (i = 0; i < 6; ++i) {
734 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
736 s = (*e) ? e + 1 : e;
739 if ((gd->board_type >> 16) == 2)
740 bd->bi_ethspeed = gd->board_type & 0xFFFF;
742 bd->bi_ethspeed = 0xFFFF;
746 load_sernum_ethaddr ();
749 #if defined(CFG_GT_6426x) || defined(CONFIG_PN62) || defined(CONFIG_PPCHAMELEONEVB) || \
750 defined(CONFIG_MPC8540ADS) || defined(CONFIG_MPC8560ADS) || defined(CONFIG_440_GX)
751 /* handle the 2nd ethernet address */
753 s = getenv ("eth1addr");
755 for (i = 0; i < 6; ++i) {
756 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
758 s = (*e) ? e + 1 : e;
761 #if defined(CFG_GT_6426x) || defined(CONFIG_MPC8540ADS) || defined(CONFIG_MPC8560ADS) || \
762 defined(CONFIG_440_GX)
763 /* handle the 3rd ethernet address */
765 s = getenv ("eth2addr");
766 #if defined(CONFIG_XPEDITE1K)
768 board_get_enetaddr(bd->bi_enet2addr);
771 for (i = 0; i < 6; ++i) {
772 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
774 s = (*e) ? e + 1 : e;
778 #if defined(CONFIG_440_GX)
779 /* handle 4th ethernet address */
780 s = getenv("eth3addr");
781 #if defined(CONFIG_XPEDITE1K)
783 board_get_enetaddr(bd->bi_enet3addr);
786 for (i = 0; i < 6; ++i) {
787 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
789 s = (*e) ? e + 1 : e;
793 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
795 load_sernum_ethaddr ();
798 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
802 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx)
804 * Do pci configuration
809 /** leave this here (after malloc(), environment and PCI are working) **/
810 /* Initialize devices */
813 /* Initialize the jump table for applications */
816 /* Initialize the console (after the relocation and devices init) */
819 #if defined(CONFIG_CCM) || \
820 defined(CONFIG_COGENT) || \
821 defined(CONFIG_CPCI405) || \
822 defined(CONFIG_EVB64260) || \
823 defined(CONFIG_KUP4K) || \
824 defined(CONFIG_LWMON) || \
825 defined(CONFIG_PCU_E) || \
826 defined(CONFIG_W7O) || \
827 defined(CONFIG_MISC_INIT_R)
828 /* miscellaneous platform dependent initialisations */
833 if (bd->bi_ethspeed != 0xFFFF)
834 hermes_start_lxt980 ((int) bd->bi_ethspeed);
837 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
838 defined(CONFIG_CCM) || \
839 defined(CONFIG_ELPT860) || \
840 defined(CONFIG_EP8260) || \
841 defined(CONFIG_IP860) || \
842 defined(CONFIG_IVML24) || \
843 defined(CONFIG_IVMS8) || \
844 defined(CONFIG_LWMON) || \
845 defined(CONFIG_MPC8260ADS) || \
846 defined(CONFIG_MPC8266ADS) || \
847 defined(CONFIG_MPC8560ADS) || \
848 defined(CONFIG_PCU_E) || \
849 defined(CONFIG_RPXSUPER) || \
850 defined(CONFIG_SPD823TS) )
853 debug ("Reset Ethernet PHY\n");
857 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
863 debug ("U-Boot relocated to %08lx\n", dest_addr);
870 /* Must happen after interrupts are initialized since
871 * an irq handler gets installed
873 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
874 serial_buffered_init();
877 #ifdef CONFIG_STATUS_LED
878 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
885 /* Insert function pointers now that we have relocated the code */
887 /* Initialize from environment */
888 if ((s = getenv ("loadaddr")) != NULL) {
889 load_addr = simple_strtoul (s, NULL, 16);
891 #if (CONFIG_COMMANDS & CFG_CMD_NET)
892 if ((s = getenv ("bootfile")) != NULL) {
893 copy_filename (BootFile, s, sizeof (BootFile));
895 #endif /* CFG_CMD_NET */
899 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
905 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
911 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
914 nand_init(); /* go init the NAND */
917 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
924 post_run (NULL, POST_RAM | post_bootmode_get(0));
927 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
933 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
935 # ifdef CONFIG_IDE_8xx_PCCARD
941 #endif /* CFG_CMD_IDE */
943 #ifdef CONFIG_LAST_STAGE_INIT
946 * Some parts can be only initialized if all others (like
947 * Interrupts) are up and running (i.e. the PC-style ISA
953 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
958 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
960 * Export available size of memory for Linux,
961 * taking into account the protected RAM at top of memory
969 if ((s = getenv ("pram")) != NULL) {
970 pram = simple_strtoul (s, NULL, 10);
977 #ifdef CONFIG_LOGBUFFER
978 /* Also take the logbuffer into account (pram is in kB) */
979 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
981 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
982 setenv ("mem", memsz);
991 #ifdef CONFIG_MODEM_SUPPORT
993 extern int do_mdm_init;
994 do_mdm_init = gd->do_mdm_init;
998 /* Initialization complete - start the monitor */
1000 /* main_loop() can return to retry autoboot, if so just run it again. */
1006 /* NOTREACHED - no way out of command loop except booting */
1011 puts ("### ERROR ### Please RESET the board ###\n");
1012 #ifdef CONFIG_SHOW_BOOT_PROGRESS
1013 show_boot_progress(-30);
1018 #ifdef CONFIG_MODEM_SUPPORT
1019 /* called from main loop (common/main.c) */
1020 extern void dbg(const char *fmt, ...);
1026 extern char console_buffer[];
1027 static inline void mdm_readline(char *buf, int bufsiz);
1028 extern void enable_putc(void);
1029 extern int hwflow_onoff(int);
1031 enable_putc(); /* enable serial_putc() */
1033 #ifdef CONFIG_HWFLOW
1034 init_str = getenv("mdm_flow_control");
1035 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1042 sprintf(env_str, "mdm_init%d", i);
1043 if ((init_str = getenv(env_str)) != NULL) {
1044 serial_puts(init_str);
1047 mdm_readline(console_buffer, CFG_CBSIZE);
1048 dbg("ini%d: [%s]", i, console_buffer);
1050 if ((strcmp(console_buffer, "OK") == 0) ||
1051 (strcmp(console_buffer, "ERROR") == 0)) {
1052 dbg("ini%d: cmd done", i);
1054 } else /* in case we are originating call ... */
1055 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1056 dbg("ini%d: connect", i);
1061 break; /* no init string - stop modem init */
1068 /* final stage - wait for connect */
1069 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1070 message from modem */
1071 mdm_readline(console_buffer, CFG_CBSIZE);
1072 dbg("ini_f: [%s]", console_buffer);
1073 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1074 dbg("ini_f: connected");
1082 /* 'inline' - We have to do it fast */
1083 static inline void mdm_readline(char *buf, int bufsiz)
1094 /* dbg("(%c)", c); */
1106 return; /* sanity check */
1116 #if 0 /* We could use plain global data, but the resulting code is bigger */
1118 * Pointer to initial global data area
1120 * Here we initialize it.
1122 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1123 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1124 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1127 /************************************************************************/