2 * (C) Copyright 2000-2002
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)
57 #if defined(CONFIG_BAB7xx)
61 #if defined(CONFIG_POST)
64 #if defined(CONFIG_LOGBUFFER)
68 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
71 #if defined(CONFIG_HARD_I2C) || \
72 defined(CONFIG_SOFT_I2C)
75 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
76 void nand_init (void);
79 static char *failed = "*** failed ***\n";
81 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
82 extern flash_info_t flash_info[];
85 #include <environment.h>
87 #if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
88 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
89 defined(CFG_ENV_IS_IN_NVRAM)
90 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
92 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
95 extern ulong __init_end;
97 ulong monitor_flash_len;
99 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
100 #include <bedbug/type.h>
104 * Begin and End of memory area for malloc(), and current "brk"
106 static ulong mem_malloc_start = 0;
107 static ulong mem_malloc_end = 0;
108 static ulong mem_malloc_brk = 0;
110 /************************************************************************
112 ************************************************************************
116 * The Malloc area is immediately below the monitor copy in DRAM
118 static void mem_malloc_init (void)
120 DECLARE_GLOBAL_DATA_PTR;
122 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
124 mem_malloc_end = dest_addr;
125 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
126 mem_malloc_brk = mem_malloc_start;
128 memset ((void *) mem_malloc_start,
130 mem_malloc_end - mem_malloc_start);
133 void *sbrk (ptrdiff_t increment)
135 ulong old = mem_malloc_brk;
136 ulong new = old + increment;
138 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
141 mem_malloc_brk = new;
142 return ((void *) old);
145 char *strmhz (char *buf, long hz)
151 l = sprintf (buf, "%ld", n);
152 m = (hz % 1000000L) / 1000L;
154 sprintf (buf + l, ".%03ld", m);
159 * All attempts to come up with a "common" initialization sequence
160 * that works for all boards and architectures failed: some of the
161 * requirements are just _too_ different. To get rid of the resulting
162 * mess of board dependend #ifdef'ed code we now make the whole
163 * initialization sequence configurable to the user.
165 * The requirements for any new initalization function is simple: it
166 * receives a pointer to the "global data" structure as it's only
167 * argument, and returns an integer return code, where 0 means
168 * "continue" and != 0 means "fatal error, hang the system".
170 typedef int (init_fnc_t) (void);
172 /************************************************************************
174 ************************************************************************
175 * Some of this code should be moved into the core functions,
176 * but let's get it working (again) first...
179 static int init_baudrate (void)
181 DECLARE_GLOBAL_DATA_PTR;
183 uchar tmp[64]; /* long enough for environment variables */
184 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
186 gd->baudrate = (i > 0)
187 ? (int) simple_strtoul (tmp, NULL, 10)
192 /***********************************************************************/
194 static int init_func_ram (void)
196 DECLARE_GLOBAL_DATA_PTR;
198 #ifdef CONFIG_BOARD_TYPES
199 int board_type = gd->board_type;
201 int board_type = 0; /* use dummy arg */
205 if ((gd->ram_size = initdram (board_type)) > 0) {
206 print_size (gd->ram_size, "\n");
213 /***********************************************************************/
215 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
216 static int init_func_i2c (void)
219 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
225 /***********************************************************************/
227 #if defined(CONFIG_WATCHDOG)
228 static int init_func_watchdog_init (void)
230 puts (" Watchdog enabled\n");
234 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
236 static int init_func_watchdog_reset (void)
241 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
243 # define INIT_FUNC_WATCHDOG_INIT /* undef */
244 # define INIT_FUNC_WATCHDOG_RESET /* undef */
245 #endif /* CONFIG_WATCHDOG */
247 /************************************************************************
248 * Initialization sequence *
249 ************************************************************************
252 init_fnc_t *init_sequence[] = {
254 #if defined(CONFIG_BOARD_PRE_INIT)
255 board_pre_init, /* very early board init code (fpga boot, etc.) */
258 get_clocks, /* get CPU and bus clocks (etc.) */
260 #ifdef CFG_ALLOC_DPRAM
261 #if !defined(CONFIG_8260)
265 #if defined(CONFIG_BOARD_POSTCLK_INIT)
273 #if defined(CONFIG_8260)
276 #endif /* CONFIG_8260 */
278 #if defined(CONFIG_MPC5XXX)
280 #endif /* CONFIG_MPC5XXX */
282 INIT_FUNC_WATCHDOG_INIT
283 #if defined(CONFIG_BMW) || \
284 defined(CONFIG_COGENT) || \
285 defined(CONFIG_HYMOD) || \
286 defined(CONFIG_RSD_PROTO) || \
290 INIT_FUNC_WATCHDOG_RESET
291 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
294 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
300 INIT_FUNC_WATCHDOG_RESET
302 #if defined(CFG_DRAM_TEST)
304 #endif /* CFG_DRAM_TEST */
305 INIT_FUNC_WATCHDOG_RESET
307 NULL, /* Terminate this list */
310 /************************************************************************
312 * This is the first part of the initialization sequence that is
313 * implemented in C, but still running from ROM.
315 * The main purpose is to provide a (serial) console interface as
316 * soon as possible (so we can see any error messages), and to
317 * initialize the RAM so that we can relocate the monitor code to
320 * Be aware of the restrictions: global data is read-only, BSS is not
321 * initialized, and stack space is limited to a few kB.
323 ************************************************************************
326 void board_init_f (ulong bootflag)
328 DECLARE_GLOBAL_DATA_PTR;
331 ulong len, addr, addr_sp;
333 init_fnc_t **init_fnc_ptr;
337 uchar tmp[64]; /* long enough for environment variables */
340 /* Pointer is writable since we allocated a register for it */
341 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
344 /* Clear initial global data */
345 memset ((void *) gd, 0, sizeof (gd_t));
348 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
349 if ((*init_fnc_ptr) () != 0) {
355 * Now that we have DRAM mapped and working, we can
356 * relocate the code and continue running from DRAM.
358 * Reserve memory at end of RAM for (top down in that order):
359 * - kernel log buffer
363 * - board info struct
365 len = (ulong)&_end - CFG_MONITOR_BASE;
367 #ifndef CONFIG_VERY_BIG_RAM
368 addr = CFG_SDRAM_BASE + gd->ram_size;
370 /* only allow stack below 256M */
371 addr = CFG_SDRAM_BASE +
372 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
375 #ifdef CONFIG_LOGBUFFER
376 /* reserve kernel log buffer */
377 addr -= (LOGBUFF_RESERVE);
378 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
383 * reserve protected RAM
385 i = getenv_r ("pram", tmp, sizeof (tmp));
386 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
387 addr -= (reg << 10); /* size is in kB */
388 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
389 #endif /* CONFIG_PRAM */
391 /* round down to next 4 kB limit */
393 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
396 /* reserve memory for LCD display (always full pages) */
397 addr = lcd_setmem (addr);
399 #endif /* CONFIG_LCD */
401 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
402 /* reserve memory for video display (always full pages) */
403 addr = video_setmem (addr);
405 #endif /* CONFIG_VIDEO */
408 * reserve memory for U-Boot code, data & bss
409 * round down to next 4 kB limit
414 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
416 #ifdef CONFIG_AMIGAONEG3SE
417 gd->relocaddr = addr;
421 * reserve memory for malloc() arena
423 addr_sp = addr - TOTAL_MALLOC_LEN;
424 debug ("Reserving %dk for malloc() at: %08lx\n",
425 TOTAL_MALLOC_LEN >> 10, addr_sp);
428 * (permanently) allocate a Board Info struct
429 * and a permanent copy of the "global" data
431 addr_sp -= sizeof (bd_t);
432 bd = (bd_t *) addr_sp;
434 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
435 sizeof (bd_t), addr_sp);
436 addr_sp -= sizeof (gd_t);
437 id = (gd_t *) addr_sp;
438 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
439 sizeof (gd_t), addr_sp);
442 * Finally, we set up a new (bigger) stack.
444 * Leave some safety gap for SP, force alignment on 16 byte boundary
445 * Clear initial stack frame
449 *((ulong *) addr_sp)-- = 0;
450 *((ulong *) addr_sp)-- = 0;
451 debug ("Stack Pointer at: %08lx\n", addr_sp);
454 * Save local variables to board info struct
457 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
458 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
461 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
462 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
464 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
465 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
468 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx)
469 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
471 #if defined(CONFIG_MPC5XXX)
472 bd->bi_mbar_base = CFG_MBAR; /* base of internal registers */
475 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
478 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
479 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
480 #if defined(CONFIG_8260)
481 bd->bi_cpmfreq = gd->cpm_clk;
482 bd->bi_brgfreq = gd->brg_clk;
483 bd->bi_sccfreq = gd->scc_clk;
484 bd->bi_vco = gd->vco_out;
485 #endif /* CONFIG_8260 */
486 #if defined(CONFIG_MPC5XXX)
487 bd->bi_ipbfreq = gd->ipb_clk;
488 bd->bi_pcifreq = gd->pci_clk;
489 #endif /* CONFIG_MPC5XXX */
490 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
493 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
494 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
496 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
497 bd->bi_plb_busfreq = gd->bus_clk;
498 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
499 bd->bi_pci_busfreq = get_PCI_freq ();
503 debug ("New Stack Pointer is: %08lx\n", addr_sp);
508 post_bootmode_init();
509 post_run (NULL, POST_ROM | post_bootmode_get(0));
514 memcpy (id, (void *)gd, sizeof (gd_t));
516 relocate_code (addr_sp, id, addr);
518 /* NOTREACHED - relocate_code() does not return */
522 /************************************************************************
524 * This is the next part if the initialization sequence: we are now
525 * running from RAM and have a "normal" C environment, i. e. global
526 * data can be written, BSS has been cleared, the stack size in not
527 * that critical any more, etc.
529 ************************************************************************
532 void board_init_r (gd_t *id, ulong dest_addr)
534 DECLARE_GLOBAL_DATA_PTR;
539 extern void malloc_bin_reloc (void);
540 #ifndef CFG_ENV_IS_NOWHERE
541 extern char * env_name_spec;
548 gd = id; /* initialize RAM version of global data */
551 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
553 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
557 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
559 monitor_flash_len = (ulong)&__init_end - dest_addr;
562 * We have to relocate the command table manually
564 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
566 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
568 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
569 cmdtp->name, (ulong) (cmdtp->cmd), addr);
572 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
574 addr = (ulong)(cmdtp->name) + gd->reloc_off;
575 cmdtp->name = (char *)addr;
578 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
579 cmdtp->usage = (char *)addr;
583 addr = (ulong)(cmdtp->help) + gd->reloc_off;
584 cmdtp->help = (char *)addr;
588 /* there are some other pointer constants we must deal with */
589 #ifndef CFG_ENV_IS_NOWHERE
590 env_name_spec += gd->reloc_off;
595 #ifdef CONFIG_LOGBUFFER
596 logbuff_init_ptrs ();
599 post_output_backlog ();
605 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
606 icache_enable (); /* it's time to enable the instruction cache */
609 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
611 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
612 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
617 #if defined(CONFIG_BAB7xx)
619 * Initialise the ISA bridge
621 initialise_w83c553f ();
624 asm ("sync ; isync");
627 * Setup trap handlers
629 trap_init (dest_addr);
631 #if !defined(CFG_NO_FLASH)
634 if ((flash_size = flash_init ()) > 0) {
635 # ifdef CFG_FLASH_CHECKSUM
636 print_size (flash_size, "");
638 * Compute and print flash CRC if flashchecksum is set to 'y'
640 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
642 s = getenv ("flashchecksum");
643 if (s && (*s == 'y')) {
644 printf (" CRC: %08lX",
646 (const unsigned char *) CFG_FLASH_BASE,
651 # else /* !CFG_FLASH_CHECKSUM */
652 print_size (flash_size, "\n");
653 # endif /* CFG_FLASH_CHECKSUM */
659 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
660 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
661 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
662 bd->bi_flashoffset = 0;
663 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
664 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
666 bd->bi_flashoffset = 0;
668 #else /* CFG_NO_FLASH */
670 bd->bi_flashsize = 0;
671 bd->bi_flashstart = 0;
672 bd->bi_flashoffset = 0;
673 #endif /* !CFG_NO_FLASH */
677 /* initialize higher level parts of CPU like time base and timers */
682 /* initialize malloc() area */
687 # if !defined(CFG_ENV_IS_IN_EEPROM)
693 /* relocate environment function pointers etc. */
697 * Fill in missing fields of bd_info.
698 * We do this here, where we have "normal" access to the
699 * environment; we used to do this still running from ROM,
700 * where had to use getenv_r(), which can be pretty slow when
701 * the environment is in EEPROM.
703 s = getenv ("ethaddr");
704 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
706 board_get_enetaddr (bd->bi_enetaddr);
709 for (i = 0; i < 6; ++i) {
710 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
712 s = (*e) ? e + 1 : e;
715 if ((gd->board_type >> 16) == 2)
716 bd->bi_ethspeed = gd->board_type & 0xFFFF;
718 bd->bi_ethspeed = 0xFFFF;
722 load_sernum_ethaddr ();
725 #if defined(CFG_GT_6426x) || defined(CONFIG_PN62) || defined(CONFIG_PPCHAMELEONEVB)
726 /* handle the 2nd ethernet address */
728 s = getenv ("eth1addr");
730 for (i = 0; i < 6; ++i) {
731 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
733 s = (*e) ? e + 1 : e;
736 #if defined(CFG_GT_6426x)
737 /* handle the 3rd ethernet address */
739 s = getenv ("eth2addr");
741 for (i = 0; i < 6; ++i) {
742 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
744 s = (*e) ? e + 1 : e;
749 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
751 load_sernum_ethaddr ();
754 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
758 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx)
760 * Do pci configuration
765 /** leave this here (after malloc(), environment and PCI are working) **/
766 /* Initialize devices */
769 /* Initialize the jump table for applications */
772 /* Initialize the console (after the relocation and devices init) */
775 #if defined(CONFIG_CCM) || \
776 defined(CONFIG_COGENT) || \
777 defined(CONFIG_CPCI405) || \
778 defined(CONFIG_EVB64260) || \
779 defined(CONFIG_KUP4K) || \
780 defined(CONFIG_LWMON) || \
781 defined(CONFIG_PCU_E) || \
782 defined(CONFIG_W7O) || \
783 defined(CONFIG_MISC_INIT_R)
784 /* miscellaneous platform dependent initialisations */
789 if (bd->bi_ethspeed != 0xFFFF)
790 hermes_start_lxt980 ((int) bd->bi_ethspeed);
793 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
794 defined(CONFIG_CCM) || \
795 defined(CONFIG_ELPT860) || \
796 defined(CONFIG_EP8260) || \
797 defined(CONFIG_IP860) || \
798 defined(CONFIG_IVML24) || \
799 defined(CONFIG_IVMS8) || \
800 defined(CONFIG_LWMON) || \
801 defined(CONFIG_MPC8260ADS) || \
802 defined(CONFIG_MPC8266ADS) || \
803 defined(CONFIG_PCU_E) || \
804 defined(CONFIG_RPXSUPER) || \
805 defined(CONFIG_SPD823TS) )
808 debug ("Reset Ethernet PHY\n");
812 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
818 debug ("U-Boot relocated to %08lx\n", dest_addr);
825 /* Must happen after interrupts are initialized since
826 * an irq handler gets installed
828 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
829 serial_buffered_init();
832 #ifdef CONFIG_STATUS_LED
833 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
840 /* Insert function pointers now that we have relocated the code */
842 /* Initialize from environment */
843 if ((s = getenv ("loadaddr")) != NULL) {
844 load_addr = simple_strtoul (s, NULL, 16);
846 #if (CONFIG_COMMANDS & CFG_CMD_NET)
847 if ((s = getenv ("bootfile")) != NULL) {
848 copy_filename (BootFile, s, sizeof (BootFile));
850 #endif /* CFG_CMD_NET */
854 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
860 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
866 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
868 nand_init(); /* go init the NAND */
871 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
878 post_run (NULL, POST_RAM | post_bootmode_get(0));
881 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
887 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
889 # ifdef CONFIG_IDE_8xx_PCCARD
895 #endif /* CFG_CMD_IDE */
897 #ifdef CONFIG_LAST_STAGE_INIT
900 * Some parts can be only initialized if all others (like
901 * Interrupts) are up and running (i.e. the PC-style ISA
907 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
912 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
914 * Export available size of memory for Linux,
915 * taking into account the protected RAM at top of memory
923 if ((s = getenv ("pram")) != NULL) {
924 pram = simple_strtoul (s, NULL, 10);
931 #ifdef CONFIG_LOGBUFFER
932 /* Also take the logbuffer into account (pram is in kB) */
933 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
935 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
936 setenv ("mem", memsz);
940 #ifdef CONFIG_MODEM_SUPPORT
942 extern int do_mdm_init;
943 do_mdm_init = gd->do_mdm_init;
947 /* Initialization complete - start the monitor */
949 /* main_loop() can return to retry autoboot, if so just run it again. */
955 /* NOTREACHED - no way out of command loop except booting */
960 puts ("### ERROR ### Please RESET the board ###\n");
964 #ifdef CONFIG_MODEM_SUPPORT
965 /* called from main loop (common/main.c) */
966 extern void dbg(const char *fmt, ...);
972 extern char console_buffer[];
973 static inline void mdm_readline(char *buf, int bufsiz);
974 extern void enable_putc(void);
975 extern int hwflow_onoff(int);
977 enable_putc(); /* enable serial_putc() */
980 init_str = getenv("mdm_flow_control");
981 if (init_str && (strcmp(init_str, "rts/cts") == 0))
988 sprintf(env_str, "mdm_init%d", i);
989 if ((init_str = getenv(env_str)) != NULL) {
990 serial_puts(init_str);
993 mdm_readline(console_buffer, CFG_CBSIZE);
994 dbg("ini%d: [%s]", i, console_buffer);
996 if ((strcmp(console_buffer, "OK") == 0) ||
997 (strcmp(console_buffer, "ERROR") == 0)) {
998 dbg("ini%d: cmd done", i);
1000 } else /* in case we are originating call ... */
1001 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1002 dbg("ini%d: connect", i);
1007 break; /* no init string - stop modem init */
1014 /* final stage - wait for connect */
1015 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1016 message from modem */
1017 mdm_readline(console_buffer, CFG_CBSIZE);
1018 dbg("ini_f: [%s]", console_buffer);
1019 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1020 dbg("ini_f: connected");
1028 /* 'inline' - We have to do it fast */
1029 static inline void mdm_readline(char *buf, int bufsiz)
1040 /* dbg("(%c)", c); */
1052 return; /* sanity check */
1062 #if 0 /* We could use plain global data, but the resulting code is bigger */
1064 * Pointer to initial global data area
1066 * Here we initialize it.
1068 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1069 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1070 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1073 /************************************************************************/