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,
36 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
39 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
42 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
45 #ifdef CONFIG_STATUS_LED
46 #include <status_led.h>
49 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
50 #include <cmd_bedbug.h>
52 #ifdef CFG_ALLOC_DPRAM
56 #if defined(CONFIG_BAB7xx)
60 #if defined(CONFIG_POST)
63 #if defined(CONFIG_LOGBUFFER)
67 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
70 #if defined(CONFIG_HARD_I2C) || \
71 defined(CONFIG_SOFT_I2C)
75 static char *failed = "*** failed ***\n";
77 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
78 extern flash_info_t flash_info[];
81 #include <environment.h>
83 #if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
84 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
85 defined(CFG_ENV_IS_IN_NVRAM)
86 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
88 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
92 * Begin and End of memory area for malloc(), and current "brk"
94 static ulong mem_malloc_start = 0;
95 static ulong mem_malloc_end = 0;
96 static ulong mem_malloc_brk = 0;
98 /************************************************************************
100 ************************************************************************
104 * The Malloc area is immediately below the monitor copy in DRAM
106 static void mem_malloc_init (void)
108 DECLARE_GLOBAL_DATA_PTR;
110 ulong dest_addr = CFG_MONITOR_BASE + gd->reloc_off;
112 mem_malloc_end = dest_addr;
113 mem_malloc_start = dest_addr - TOTAL_MALLOC_LEN;
114 mem_malloc_brk = mem_malloc_start;
116 memset ((void *) mem_malloc_start,
118 mem_malloc_end - mem_malloc_start);
121 void *sbrk (ptrdiff_t increment)
123 ulong old = mem_malloc_brk;
124 ulong new = old + increment;
126 if ((new < mem_malloc_start) || (new > mem_malloc_end)) {
129 mem_malloc_brk = new;
130 return ((void *) old);
133 char *strmhz (char *buf, long hz)
139 l = sprintf (buf, "%ld", n);
140 m = (hz % 1000000L) / 1000L;
142 sprintf (buf + l, ".%03ld", m);
146 static void syscalls_init (void)
150 syscall_tbl[SYSCALL_MALLOC] = (void *) malloc;
151 syscall_tbl[SYSCALL_FREE] = (void *) free;
153 syscall_tbl[SYSCALL_INSTALL_HDLR] = (void *) irq_install_handler;
154 syscall_tbl[SYSCALL_FREE_HDLR] = (void *) irq_free_handler;
155 syscall_tbl[SYSCALL_GET_TIMER] = (void *)get_timer;
156 syscall_tbl[SYSCALL_UDELAY] = (void *)udelay;
158 addr = (ulong *) 0xc00; /* syscall ISR addr */
161 *addr++ |= (ulong) syscall_tbl >> 16;
162 *addr++ |= (ulong) syscall_tbl & 0xFFFF;
163 *addr++ |= NR_SYSCALLS >> 16;
164 *addr++ |= NR_SYSCALLS & 0xFFFF;
167 flush_cache (0x0C00, 0x10);
169 /* Initialize syscalls stack pointer */
170 addr = (ulong *) 0xCFC;
173 flush_cache ((ulong)addr, 0x10);
178 * All attempts to come up with a "common" initialization sequence
179 * that works for all boards and architectures failed: some of the
180 * requirements are just _too_ different. To get rid of the resulting
181 * mess of board dependend #ifdef'ed code we now make the whole
182 * initialization sequence configurable to the user.
184 * The requirements for any new initalization function is simple: it
185 * receives a pointer to the "global data" structure as it's only
186 * argument, and returns an integer return code, where 0 means
187 * "continue" and != 0 means "fatal error, hang the system".
189 typedef int (init_fnc_t) (void);
191 /************************************************************************
193 ************************************************************************
194 * Some of this code should be moved into the core functions,
195 * but let's get it working (again) first...
198 static int init_baudrate (void)
200 DECLARE_GLOBAL_DATA_PTR;
202 uchar tmp[64]; /* long enough for environment variables */
203 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
205 gd->baudrate = (i > 0)
206 ? (int) simple_strtoul (tmp, NULL, 10)
211 /***********************************************************************/
213 static int init_func_ram (void)
215 DECLARE_GLOBAL_DATA_PTR;
217 #ifdef CONFIG_BOARD_TYPES
218 int board_type = gd->board_type;
220 int board_type = 0; /* use dummy arg */
224 if ((gd->ram_size = initdram (board_type)) > 0) {
225 print_size (gd->ram_size, "\n");
232 /***********************************************************************/
234 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
235 static int init_func_i2c (void)
238 i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
244 /***********************************************************************/
246 #if defined(CONFIG_WATCHDOG)
247 static int init_func_watchdog_init (void)
249 puts (" Watchdog enabled\n");
253 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
255 static int init_func_watchdog_reset (void)
260 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
262 # define INIT_FUNC_WATCHDOG_INIT /* undef */
263 # define INIT_FUNC_WATCHDOG_RESET /* undef */
264 #endif /* CONFIG_WATCHDOG */
266 /************************************************************************
267 * Initialization sequence *
268 ************************************************************************
271 init_fnc_t *init_sequence[] = {
273 #if defined(CONFIG_BOARD_PRE_INIT)
274 board_pre_init, /* very early board init code (fpga boot, etc.) */
277 get_clocks, /* get CPU and bus clocks (etc.) */
279 #ifdef CFG_ALLOC_DPRAM
282 #if defined(CONFIG_BOARD_POSTCLK_INIT)
290 #if defined(CONFIG_8260)
293 #endif /* CONFIG_8260 */
296 INIT_FUNC_WATCHDOG_INIT
297 #if defined(CONFIG_BMW) || \
298 defined(CONFIG_COGENT) || \
299 defined(CONFIG_HYMOD) || \
300 defined(CONFIG_RSD_PROTO) || \
304 INIT_FUNC_WATCHDOG_RESET
305 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
308 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
311 INIT_FUNC_WATCHDOG_RESET
313 #if defined(CFG_DRAM_TEST)
315 #endif /* CFG_DRAM_TEST */
316 INIT_FUNC_WATCHDOG_RESET
318 NULL, /* Terminate this list */
321 /************************************************************************
323 * This is the first part of the initialization sequence that is
324 * implemented in C, but still running from ROM.
326 * The main purpose is to provide a (serial) console interface as
327 * soon as possible (so we can see any error messages), and to
328 * initialize the RAM so that we can relocate the monitor code to
331 * Be aware of the restrictions: global data is read-only, BSS is not
332 * initialized, and stack space is limited to a few kB.
334 ************************************************************************
337 void board_init_f (ulong bootflag)
339 DECLARE_GLOBAL_DATA_PTR;
342 ulong len, addr, addr_sp;
344 init_fnc_t **init_fnc_ptr;
348 uchar tmp[64]; /* long enough for environment variables */
351 /* Pointer is writable since we allocated a register for it */
352 gd = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
355 /* Clear initial global data */
356 memset ((void *) gd, 0, sizeof (gd_t));
359 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
360 if ((*init_fnc_ptr) () != 0) {
366 * Now that we have DRAM mapped and working, we can
367 * relocate the code and continue running from DRAM.
369 * Reserve memory at end of RAM for (top down in that order):
370 * - kernel log buffer
374 * - board info struct
376 len = get_endaddr () - CFG_MONITOR_BASE;
378 if (len > CFG_MONITOR_LEN) {
379 printf ("*** U-Boot size %ld > reserved memory (%d)\n",
380 len, CFG_MONITOR_LEN);
384 if (CFG_MONITOR_LEN > len)
385 len = CFG_MONITOR_LEN;
387 #ifndef CONFIG_VERY_BIG_RAM
388 addr = CFG_SDRAM_BASE + gd->ram_size;
390 /* only allow stack below 256M */
391 addr = CFG_SDRAM_BASE +
392 (gd->ram_size > 256 << 20) ? 256 << 20 : gd->ram_size;
395 #ifdef CONFIG_LOGBUFFER
396 /* reserve kernel log buffer */
397 addr -= (LOGBUFF_RESERVE);
399 printf ("Reserving %ldk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
405 * reserve protected RAM
407 i = getenv_r ("pram", tmp, sizeof (tmp));
408 reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM;
409 addr -= (reg << 10); /* size is in kB */
411 printf ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
413 #endif /* CONFIG_PRAM */
415 /* round down to next 4 kB limit */
418 printf ("Top of RAM usable for U-Boot at: %08lx\n", addr);
422 /* reserve memory for LCD display (always full pages) */
423 addr = lcd_setmem (addr);
425 #endif /* CONFIG_LCD */
427 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
428 /* reserve memory for video display (always full pages) */
429 addr = video_setmem (addr);
431 #endif /* CONFIG_VIDEO */
434 * reserve memory for U-Boot code, data & bss
435 * round down to next 4 kB limit
441 printf ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
444 #ifdef CONFIG_AMIGAONEG3SE
445 gd->relocaddr = addr;
449 * reserve memory for malloc() arena
451 addr_sp = addr - TOTAL_MALLOC_LEN;
453 printf ("Reserving %dk for malloc() at: %08lx\n",
454 TOTAL_MALLOC_LEN >> 10, addr_sp);
458 * (permanently) allocate a Board Info struct
459 * and a permanent copy of the "global" data
461 addr_sp -= sizeof (bd_t);
462 bd = (bd_t *) addr_sp;
465 printf ("Reserving %d Bytes for Board Info at: %08lx\n",
466 sizeof (bd_t), addr_sp);
468 addr_sp -= sizeof (gd_t);
469 id = (gd_t *) addr_sp;
471 printf ("Reserving %d Bytes for Global Data at: %08lx\n",
472 sizeof (gd_t), addr_sp);
476 * Finally, we set up a new (bigger) stack.
478 * Leave some safety gap for SP, force alignment on 16 byte boundary
479 * Clear initial stack frame
483 *((ulong *) addr_sp)-- = 0;
484 *((ulong *) addr_sp)-- = 0;
486 printf ("Stack Pointer at: %08lx\n", addr_sp);
490 * Save local variables to board info struct
493 bd->bi_memstart = CFG_SDRAM_BASE; /* start of DRAM memory */
494 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
497 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
498 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
500 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
501 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
504 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx)
505 bd->bi_immr_base = CFG_IMMR; /* base of IMMR register */
508 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
511 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
512 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
513 #if defined(CONFIG_8260)
514 bd->bi_cpmfreq = gd->cpm_clk;
515 bd->bi_brgfreq = gd->brg_clk;
516 bd->bi_sccfreq = gd->scc_clk;
517 bd->bi_vco = gd->vco_out;
518 #endif /* CONFIG_8260 */
520 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
523 strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
524 strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
526 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
527 bd->bi_plb_busfreq = gd->bus_clk;
529 bd->bi_pci_busfreq = get_PCI_freq ();
534 printf ("New Stack Pointer is: %08lx\n", addr_sp);
540 post_bootmode_init();
541 post_run (NULL, POST_ROM | post_bootmode_get(0));
546 memcpy (id, gd, sizeof (gd_t));
548 relocate_code (addr_sp, id, addr);
550 /* NOTREACHED - relocate_code() does not return */
554 /************************************************************************
556 * This is the next part if the initialization sequence: we are now
557 * running from RAM and have a "normal" C environment, i. e. global
558 * data can be written, BSS has been cleared, the stack size in not
559 * that critical any more, etc.
561 ************************************************************************
564 void board_init_r (gd_t *id, ulong dest_addr)
566 DECLARE_GLOBAL_DATA_PTR;
572 extern void malloc_bin_reloc (void);
573 #ifndef CFG_ENV_IS_NOWHERE
574 extern char * env_name_spec;
581 gd = id; /* initialize RAM version of global data */
584 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
587 printf ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
592 gd->reloc_off = dest_addr - CFG_MONITOR_BASE;
595 * We have to relocate the command table manually
597 for (cmdtp = &cmd_tbl[0]; cmdtp->name; cmdtp++) {
600 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
602 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
603 cmdtp->name, (ulong) (cmdtp->cmd), addr);
606 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
608 addr = (ulong)(cmdtp->name) + gd->reloc_off;
609 cmdtp->name = (char *)addr;
612 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
613 cmdtp->usage = (char *)addr;
617 addr = (ulong)(cmdtp->help) + gd->reloc_off;
618 cmdtp->help = (char *)addr;
622 /* there are some other pointer constants we must deal with */
623 #ifndef CFG_ENV_IS_NOWHERE
624 env_name_spec += gd->reloc_off;
629 #ifdef CONFIG_LOGBUFFER
630 logbuff_init_ptrs ();
633 post_output_backlog ();
639 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
640 icache_enable (); /* it's time to enable the instruction cache */
643 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
645 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
646 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
651 #if defined(CONFIG_BAB7xx)
653 * Initialise the ISA bridge
655 initialise_w83c553f ();
658 asm ("sync ; isync");
661 * Setup trap handlers
663 trap_init (dest_addr);
665 #if !defined(CFG_NO_FLASH)
668 if ((flash_size = flash_init ()) > 0) {
669 #ifdef CFG_FLASH_CHECKSUM
670 print_size (flash_size, "");
672 * Compute and print flash CRC if flashchecksum is set to 'y'
674 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
676 s = getenv ("flashchecksum");
677 if (s && (*s == 'y')) {
678 printf (" CRC: %08lX",
680 (const unsigned char *) CFG_FLASH_BASE,
686 print_size (flash_size, "\n");
687 #endif /* CFG_FLASH_CHECKSUM */
693 bd->bi_flashstart = CFG_FLASH_BASE; /* update start of FLASH memory */
694 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
695 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
696 bd->bi_flashoffset = 0;
697 #elif CFG_MONITOR_BASE == CFG_FLASH_BASE
698 bd->bi_flashoffset = CFG_MONITOR_LEN; /* reserved area for startup monitor */
700 bd->bi_flashoffset = 0;
704 bd->bi_flashsize = 0;
705 bd->bi_flashstart = 0;
706 bd->bi_flashoffset = 0;
707 #endif /* !CFG_NO_FLASH */
711 /* initialize higher level parts of CPU like time base and timers */
716 /* initialize malloc() area */
721 # if !defined(CFG_ENV_IS_IN_EEPROM)
727 /* relocate environment function pointers etc. */
731 * Fill in missing fields of bd_info.
732 * We do this here, where we have "normal" access to the
733 * environment; we used to do this still running from ROM,
734 * where had to use getenv_r(), which can be pretty slow when
735 * the environment is in EEPROM.
737 s = getenv ("ethaddr");
738 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
740 board_get_enetaddr (bd->bi_enetaddr);
743 for (i = 0; i < 6; ++i) {
744 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
746 s = (*e) ? e + 1 : e;
749 if ((gd->board_type >> 16) == 2)
750 bd->bi_ethspeed = gd->board_type & 0xFFFF;
752 bd->bi_ethspeed = 0xFFFF;
756 load_sernum_ethaddr ();
759 #if defined(CFG_GT_6426x) || defined(CONFIG_PN62)
760 /* handle the 2nd ethernet address */
762 s = getenv ("eth1addr");
764 for (i = 0; i < 6; ++i) {
765 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
767 s = (*e) ? e + 1 : e;
770 #if defined(CFG_GT_6426x)
771 /* handle the 3rd ethernet address */
773 s = getenv ("eth2addr");
775 for (i = 0; i < 6; ++i) {
776 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
778 s = (*e) ? e + 1 : e;
783 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
785 load_sernum_ethaddr ();
788 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
792 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx)
794 * Do pci configuration
799 /** leave this here (after malloc(), environment and PCI are working) **/
800 /* Initialize devices */
803 /* allocate syscalls table (console_init_r will fill it in */
804 syscall_tbl = (void **) malloc (NR_SYSCALLS * sizeof (void *));
806 /* Initialize the console (after the relocation and devices init) */
808 /** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
811 #if defined(CONFIG_CCM) || \
812 defined(CONFIG_COGENT) || \
813 defined(CONFIG_CPCI405) || \
814 defined(CONFIG_EVB64260) || \
815 defined(CONFIG_HYMOD) || \
816 defined(CONFIG_KUP4K) || \
817 defined(CONFIG_LWMON) || \
818 defined(CONFIG_PCU_E) || \
819 defined(CONFIG_W7O) || \
820 defined(CONFIG_MISC_INIT_R)
821 /* miscellaneous platform dependent initialisations */
826 if (bd->bi_ethspeed != 0xFFFF)
827 hermes_start_lxt980 ((int) bd->bi_ethspeed);
830 #if (CONFIG_COMMANDS & CFG_CMD_NET) && ( \
831 defined(CONFIG_CCM) || \
832 defined(CONFIG_ELPT860) || \
833 defined(CONFIG_EP8260) || \
834 defined(CONFIG_IP860) || \
835 defined(CONFIG_IVML24) || \
836 defined(CONFIG_IVMS8) || \
837 defined(CONFIG_LWMON) || \
838 defined(CONFIG_MPC8260ADS) || \
839 defined(CONFIG_PCU_E) || \
840 defined(CONFIG_RPXSUPER) || \
841 defined(CONFIG_SPD823TS) )
845 puts ("Reset Ethernet PHY\n");
850 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
857 printf ("U-Boot relocated to %08lx\n", dest_addr);
865 /* Must happen after interrupts are initialized since
866 * an irq handler gets installed
868 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
869 serial_buffered_init();
872 #ifdef CONFIG_STATUS_LED
873 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
880 /* Insert function pointers now that we have relocated the code */
882 /* Initialize from environment */
883 if ((s = getenv ("loadaddr")) != NULL) {
884 load_addr = simple_strtoul (s, NULL, 16);
886 #if (CONFIG_COMMANDS & CFG_CMD_NET)
887 if ((s = getenv ("bootfile")) != NULL) {
888 copy_filename (BootFile, s, sizeof (BootFile));
890 #endif /* CFG_CMD_NET */
894 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
900 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
906 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
913 post_run (NULL, POST_RAM | post_bootmode_get(0));
914 if (post_bootmode_get(0) & POST_POWERFAIL) {
915 post_bootmode_clear();
920 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
926 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
928 # ifdef CONFIG_IDE_8xx_PCCARD
934 #endif /* CFG_CMD_IDE */
936 #ifdef CONFIG_LAST_STAGE_INIT
939 * Some parts can be only initialized if all others (like
940 * Interrupts) are up and running (i.e. the PC-style ISA
946 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
951 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
953 * Export available size of memory for Linux,
954 * taking into account the protected RAM at top of memory
962 if ((s = getenv ("pram")) != NULL) {
963 pram = simple_strtoul (s, NULL, 10);
970 #ifdef CONFIG_LOGBUFFER
971 /* Also take the logbuffer into account (pram is in kB) */
972 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
974 sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
975 setenv ("mem", memsz);
979 /* Initialization complete - start the monitor */
981 /* main_loop() can return to retry autoboot, if so just run it again. */
987 /* NOTREACHED - no way out of command loop except booting */
992 puts ("### ERROR ### Please RESET the board ###\n");
996 #if 0 /* We could use plain global data, but the resulting code is bigger */
998 * Pointer to initial global data area
1000 * Here we initialize it.
1002 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1003 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1004 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CFG_INIT_RAM_ADDR + CFG_GBL_DATA_OFFSET);
1007 /************************************************************************/