]>
git.ipfire.org Git - people/ms/u-boot.git/blob - lib_ppc/board.c
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
53 #if !defined(CONFIG_8260)
58 #if defined(CONFIG_BAB7xx)
62 #if defined(CONFIG_POST)
65 #if defined(CONFIG_LOGBUFFER)
69 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
72 #if defined(CONFIG_HARD_I2C) || \
73 defined(CONFIG_SOFT_I2C)
76 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
77 void nand_init (void);
80 static char *failed
= "*** failed ***\n";
82 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
83 extern flash_info_t flash_info
[];
86 #include <environment.h>
88 #if ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
89 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
90 defined(CFG_ENV_IS_IN_NVRAM)
91 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
93 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
96 extern ulong __init_end
;
99 ulong monitor_flash_len
;
102 * Begin and End of memory area for malloc(), and current "brk"
104 static ulong mem_malloc_start
= 0;
105 static ulong mem_malloc_end
= 0;
106 static ulong mem_malloc_brk
= 0;
108 /************************************************************************
110 ************************************************************************
114 * The Malloc area is immediately below the monitor copy in DRAM
116 static void mem_malloc_init (void)
118 DECLARE_GLOBAL_DATA_PTR
;
120 ulong dest_addr
= CFG_MONITOR_BASE
+ gd
->reloc_off
;
122 mem_malloc_end
= dest_addr
;
123 mem_malloc_start
= dest_addr
- TOTAL_MALLOC_LEN
;
124 mem_malloc_brk
= mem_malloc_start
;
126 memset ((void *) mem_malloc_start
,
128 mem_malloc_end
- mem_malloc_start
);
131 void *sbrk (ptrdiff_t increment
)
133 ulong old
= mem_malloc_brk
;
134 ulong
new = old
+ increment
;
136 if ((new < mem_malloc_start
) || (new > mem_malloc_end
)) {
139 mem_malloc_brk
= new;
140 return ((void *) old
);
143 char *strmhz (char *buf
, long hz
)
149 l
= sprintf (buf
, "%ld", n
);
150 m
= (hz
% 1000000L) / 1000L;
152 sprintf (buf
+ l
, ".%03ld", m
);
156 static void syscalls_init (void)
160 syscall_tbl
[SYSCALL_MALLOC
] = (void *) malloc
;
161 syscall_tbl
[SYSCALL_FREE
] = (void *) free
;
163 syscall_tbl
[SYSCALL_INSTALL_HDLR
] = (void *) irq_install_handler
;
164 syscall_tbl
[SYSCALL_FREE_HDLR
] = (void *) irq_free_handler
;
165 syscall_tbl
[SYSCALL_GET_TIMER
] = (void *)get_timer
;
166 syscall_tbl
[SYSCALL_UDELAY
] = (void *)udelay
;
168 addr
= (ulong
*) 0xc00; /* syscall ISR addr */
171 *addr
++ |= (ulong
) syscall_tbl
>> 16;
172 *addr
++ |= (ulong
) syscall_tbl
& 0xFFFF;
173 *addr
++ |= NR_SYSCALLS
>> 16;
174 *addr
++ |= NR_SYSCALLS
& 0xFFFF;
177 flush_cache (0x0C00, 0x10);
179 /* Initialize syscalls stack pointer */
180 addr
= (ulong
*) 0xCFC;
183 flush_cache ((ulong
)addr
, 0x10);
188 * All attempts to come up with a "common" initialization sequence
189 * that works for all boards and architectures failed: some of the
190 * requirements are just _too_ different. To get rid of the resulting
191 * mess of board dependend #ifdef'ed code we now make the whole
192 * initialization sequence configurable to the user.
194 * The requirements for any new initalization function is simple: it
195 * receives a pointer to the "global data" structure as it's only
196 * argument, and returns an integer return code, where 0 means
197 * "continue" and != 0 means "fatal error, hang the system".
199 typedef int (init_fnc_t
) (void);
201 /************************************************************************
203 ************************************************************************
204 * Some of this code should be moved into the core functions,
205 * but let's get it working (again) first...
208 static int init_baudrate (void)
210 DECLARE_GLOBAL_DATA_PTR
;
212 uchar tmp
[64]; /* long enough for environment variables */
213 int i
= getenv_r ("baudrate", tmp
, sizeof (tmp
));
215 gd
->baudrate
= (i
> 0)
216 ? (int) simple_strtoul (tmp
, NULL
, 10)
221 /***********************************************************************/
223 static int init_func_ram (void)
225 DECLARE_GLOBAL_DATA_PTR
;
227 #ifdef CONFIG_BOARD_TYPES
228 int board_type
= gd
->board_type
;
230 int board_type
= 0; /* use dummy arg */
234 if ((gd
->ram_size
= initdram (board_type
)) > 0) {
235 print_size (gd
->ram_size
, "\n");
242 /***********************************************************************/
244 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
245 static int init_func_i2c (void)
248 i2c_init (CFG_I2C_SPEED
, CFG_I2C_SLAVE
);
254 /***********************************************************************/
256 #if defined(CONFIG_WATCHDOG)
257 static int init_func_watchdog_init (void)
259 puts (" Watchdog enabled\n");
263 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
265 static int init_func_watchdog_reset (void)
270 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
272 # define INIT_FUNC_WATCHDOG_INIT /* undef */
273 # define INIT_FUNC_WATCHDOG_RESET /* undef */
274 #endif /* CONFIG_WATCHDOG */
276 /************************************************************************
277 * Initialization sequence *
278 ************************************************************************
281 init_fnc_t
*init_sequence
[] = {
283 #if defined(CONFIG_BOARD_PRE_INIT)
284 board_pre_init
, /* very early board init code (fpga boot, etc.) */
287 get_clocks
, /* get CPU and bus clocks (etc.) */
289 #ifdef CFG_ALLOC_DPRAM
290 #if !defined(CONFIG_8260)
294 #if defined(CONFIG_BOARD_POSTCLK_INIT)
302 #if defined(CONFIG_8260)
305 #endif /* CONFIG_8260 */
308 INIT_FUNC_WATCHDOG_INIT
309 #if defined(CONFIG_BMW) || \
310 defined(CONFIG_COGENT) || \
311 defined(CONFIG_HYMOD) || \
312 defined(CONFIG_RSD_PROTO) || \
316 INIT_FUNC_WATCHDOG_RESET
317 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
320 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
326 INIT_FUNC_WATCHDOG_RESET
328 #if defined(CFG_DRAM_TEST)
330 #endif /* CFG_DRAM_TEST */
331 INIT_FUNC_WATCHDOG_RESET
333 NULL
, /* Terminate this list */
336 /************************************************************************
338 * This is the first part of the initialization sequence that is
339 * implemented in C, but still running from ROM.
341 * The main purpose is to provide a (serial) console interface as
342 * soon as possible (so we can see any error messages), and to
343 * initialize the RAM so that we can relocate the monitor code to
346 * Be aware of the restrictions: global data is read-only, BSS is not
347 * initialized, and stack space is limited to a few kB.
349 ************************************************************************
352 void board_init_f (ulong bootflag
)
354 DECLARE_GLOBAL_DATA_PTR
;
357 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
);
370 /* Clear initial global data */
371 memset ((void *) gd
, 0, sizeof (gd_t
));
374 for (init_fnc_ptr
= init_sequence
; *init_fnc_ptr
; ++init_fnc_ptr
) {
375 if ((*init_fnc_ptr
) () != 0) {
381 * Now that we have DRAM mapped and working, we can
382 * relocate the code and continue running from DRAM.
384 * Reserve memory at end of RAM for (top down in that order):
385 * - kernel log buffer
389 * - board info struct
391 len
= (ulong
)&_end
- CFG_MONITOR_BASE
;
393 #ifndef CONFIG_VERY_BIG_RAM
394 addr
= CFG_SDRAM_BASE
+ gd
->ram_size
;
396 /* only allow stack below 256M */
397 addr
= CFG_SDRAM_BASE
+
398 (gd
->ram_size
> 256 << 20) ? 256 << 20 : gd
->ram_size
;
401 #ifdef CONFIG_LOGBUFFER
402 /* reserve kernel log buffer */
403 addr
-= (LOGBUFF_RESERVE
);
405 printf ("Reserving %ldk for kernel logbuffer at %08lx\n", LOGBUFF_LEN
, addr
);
411 * reserve protected RAM
413 i
= getenv_r ("pram", tmp
, sizeof (tmp
));
414 reg
= (i
> 0) ? simple_strtoul (tmp
, NULL
, 10) : CONFIG_PRAM
;
415 addr
-= (reg
<< 10); /* size is in kB */
417 printf ("Reserving %ldk for protected RAM at %08lx\n", reg
, addr
);
419 #endif /* CONFIG_PRAM */
421 /* round down to next 4 kB limit */
424 printf ("Top of RAM usable for U-Boot at: %08lx\n", addr
);
428 /* reserve memory for LCD display (always full pages) */
429 addr
= lcd_setmem (addr
);
431 #endif /* CONFIG_LCD */
433 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
434 /* reserve memory for video display (always full pages) */
435 addr
= video_setmem (addr
);
437 #endif /* CONFIG_VIDEO */
440 * reserve memory for U-Boot code, data & bss
441 * round down to next 4 kB limit
447 printf ("Reserving %ldk for U-Boot at: %08lx\n", len
>> 10, addr
);
450 #ifdef CONFIG_AMIGAONEG3SE
451 gd
->relocaddr
= addr
;
455 * reserve memory for malloc() arena
457 addr_sp
= addr
- TOTAL_MALLOC_LEN
;
459 printf ("Reserving %dk for malloc() at: %08lx\n",
460 TOTAL_MALLOC_LEN
>> 10, addr_sp
);
464 * (permanently) allocate a Board Info struct
465 * and a permanent copy of the "global" data
467 addr_sp
-= sizeof (bd_t
);
468 bd
= (bd_t
*) addr_sp
;
471 printf ("Reserving %d Bytes for Board Info at: %08lx\n",
472 sizeof (bd_t
), addr_sp
);
474 addr_sp
-= sizeof (gd_t
);
475 id
= (gd_t
*) addr_sp
;
477 printf ("Reserving %d Bytes for Global Data at: %08lx\n",
478 sizeof (gd_t
), addr_sp
);
482 * Finally, we set up a new (bigger) stack.
484 * Leave some safety gap for SP, force alignment on 16 byte boundary
485 * Clear initial stack frame
489 *((ulong
*) addr_sp
)-- = 0;
490 *((ulong
*) addr_sp
)-- = 0;
492 printf ("Stack Pointer at: %08lx\n", addr_sp
);
496 * Save local variables to board info struct
499 bd
->bi_memstart
= CFG_SDRAM_BASE
; /* start of DRAM memory */
500 bd
->bi_memsize
= gd
->ram_size
; /* size of DRAM memory in bytes */
503 bd
->bi_sramstart
= SRAM_BASE
; /* start of SRAM memory */
504 bd
->bi_sramsize
= SRAM_SIZE
; /* size of SRAM memory */
506 bd
->bi_sramstart
= 0; /* FIXME */ /* start of SRAM memory */
507 bd
->bi_sramsize
= 0; /* FIXME */ /* size of SRAM memory */
510 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx)
511 bd
->bi_immr_base
= CFG_IMMR
; /* base of IMMR register */
514 bd
->bi_bootflags
= bootflag
; /* boot / reboot flag (for LynxOS) */
517 bd
->bi_intfreq
= gd
->cpu_clk
; /* Internal Freq, in Hz */
518 bd
->bi_busfreq
= gd
->bus_clk
; /* Bus Freq, in Hz */
519 #if defined(CONFIG_8260)
520 bd
->bi_cpmfreq
= gd
->cpm_clk
;
521 bd
->bi_brgfreq
= gd
->brg_clk
;
522 bd
->bi_sccfreq
= gd
->scc_clk
;
523 bd
->bi_vco
= gd
->vco_out
;
524 #endif /* CONFIG_8260 */
526 bd
->bi_baudrate
= gd
->baudrate
; /* Console Baudrate */
529 strncpy (bd
->bi_s_version
, "1.2", sizeof (bd
->bi_s_version
));
530 strncpy (bd
->bi_r_version
, U_BOOT_VERSION
, sizeof (bd
->bi_r_version
));
532 bd
->bi_procfreq
= gd
->cpu_clk
; /* Processor Speed, In Hz */
533 bd
->bi_plb_busfreq
= gd
->bus_clk
;
534 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
535 bd
->bi_pci_busfreq
= get_PCI_freq ();
540 printf ("New Stack Pointer is: %08lx\n", addr_sp
);
546 post_bootmode_init();
547 post_run (NULL
, POST_ROM
| post_bootmode_get(0));
552 memcpy (id
, gd
, sizeof (gd_t
));
554 relocate_code (addr_sp
, id
, addr
);
556 /* NOTREACHED - relocate_code() does not return */
560 /************************************************************************
562 * This is the next part if the initialization sequence: we are now
563 * running from RAM and have a "normal" C environment, i. e. global
564 * data can be written, BSS has been cleared, the stack size in not
565 * that critical any more, etc.
567 ************************************************************************
570 void board_init_r (gd_t
*id
, ulong dest_addr
)
572 DECLARE_GLOBAL_DATA_PTR
;
578 extern void malloc_bin_reloc (void);
579 #ifndef CFG_ENV_IS_NOWHERE
580 extern char * env_name_spec
;
587 gd
= id
; /* initialize RAM version of global data */
590 gd
->flags
|= GD_FLG_RELOC
; /* tell others: relocation done */
593 printf ("Now running in RAM - U-Boot at: %08lx\n", dest_addr
);
598 gd
->reloc_off
= dest_addr
- CFG_MONITOR_BASE
;
600 monitor_flash_len
= (ulong
)&__init_end
- dest_addr
;
603 * We have to relocate the command table manually
605 for (cmdtp
= &cmd_tbl
[0]; cmdtp
->name
; cmdtp
++) {
608 addr
= (ulong
) (cmdtp
->cmd
) + gd
->reloc_off
;
610 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
611 cmdtp
->name
, (ulong
) (cmdtp
->cmd
), addr
);
614 (int (*)(struct cmd_tbl_s
*, int, int, char *[]))addr
;
616 addr
= (ulong
)(cmdtp
->name
) + gd
->reloc_off
;
617 cmdtp
->name
= (char *)addr
;
620 addr
= (ulong
)(cmdtp
->usage
) + gd
->reloc_off
;
621 cmdtp
->usage
= (char *)addr
;
625 addr
= (ulong
)(cmdtp
->help
) + gd
->reloc_off
;
626 cmdtp
->help
= (char *)addr
;
630 /* there are some other pointer constants we must deal with */
631 #ifndef CFG_ENV_IS_NOWHERE
632 env_name_spec
+= gd
->reloc_off
;
637 #ifdef CONFIG_LOGBUFFER
638 logbuff_init_ptrs ();
641 post_output_backlog ();
647 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || defined (CONFIG_FLAGADM)
648 icache_enable (); /* it's time to enable the instruction cache */
651 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
653 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
654 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
659 #if defined(CONFIG_BAB7xx)
661 * Initialise the ISA bridge
663 initialise_w83c553f ();
666 asm ("sync ; isync");
669 * Setup trap handlers
671 trap_init (dest_addr
);
673 #if !defined(CFG_NO_FLASH)
676 if ((flash_size
= flash_init ()) > 0) {
677 #ifdef CFG_FLASH_CHECKSUM
678 print_size (flash_size
, "");
680 * Compute and print flash CRC if flashchecksum is set to 'y'
682 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
684 s
= getenv ("flashchecksum");
685 if (s
&& (*s
== 'y')) {
686 printf (" CRC: %08lX",
688 (const unsigned char *) CFG_FLASH_BASE
,
694 print_size (flash_size
, "\n");
695 #endif /* CFG_FLASH_CHECKSUM */
701 bd
->bi_flashstart
= CFG_FLASH_BASE
; /* update start of FLASH memory */
702 bd
->bi_flashsize
= flash_size
; /* size of FLASH memory (final value) */
703 #if defined(CONFIG_PCU_E) || defined(CONFIG_OXC)
704 bd
->bi_flashoffset
= 0;
705 #elif CFG_MONITOR_BASE == CFG_FLASH_BASE
706 bd
->bi_flashoffset
= monitor_flash_len
; /* reserved area for startup monitor */
708 bd
->bi_flashoffset
= 0;
712 bd
->bi_flashsize
= 0;
713 bd
->bi_flashstart
= 0;
714 bd
->bi_flashoffset
= 0;
715 #endif /* !CFG_NO_FLASH */
719 /* initialize higher level parts of CPU like time base and timers */
724 /* initialize malloc() area */
729 # if !defined(CFG_ENV_IS_IN_EEPROM)
735 /* relocate environment function pointers etc. */
739 * Fill in missing fields of bd_info.
740 * We do this here, where we have "normal" access to the
741 * environment; we used to do this still running from ROM,
742 * where had to use getenv_r(), which can be pretty slow when
743 * the environment is in EEPROM.
745 s
= getenv ("ethaddr");
746 #if defined (CONFIG_MBX) || defined (CONFIG_RPXCLASSIC) || defined(CONFIG_IAD210)
748 board_get_enetaddr (bd
->bi_enetaddr
);
751 for (i
= 0; i
< 6; ++i
) {
752 bd
->bi_enetaddr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
754 s
= (*e
) ? e
+ 1 : e
;
757 if ((gd
->board_type
>> 16) == 2)
758 bd
->bi_ethspeed
= gd
->board_type
& 0xFFFF;
760 bd
->bi_ethspeed
= 0xFFFF;
764 load_sernum_ethaddr ();
767 #if defined(CFG_GT_6426x) || defined(CONFIG_PN62)
768 /* handle the 2nd ethernet address */
770 s
= getenv ("eth1addr");
772 for (i
= 0; i
< 6; ++i
) {
773 bd
->bi_enet1addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
775 s
= (*e
) ? e
+ 1 : e
;
778 #if defined(CFG_GT_6426x)
779 /* handle the 3rd ethernet address */
781 s
= getenv ("eth2addr");
783 for (i
= 0; i
< 6; ++i
) {
784 bd
->bi_enet2addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
786 s
= (*e
) ? e
+ 1 : e
;
791 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
793 load_sernum_ethaddr ();
796 bd
->bi_ip_addr
= getenv_IPaddr ("ipaddr");
800 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx)
802 * Do pci configuration
807 /** leave this here (after malloc(), environment and PCI are working) **/
808 /* Initialize devices */
811 /* allocate syscalls table (console_init_r will fill it in */
812 syscall_tbl
= (void **) malloc (NR_SYSCALLS
* sizeof (void *));
814 /* Initialize the console (after the relocation and devices init) */
816 /** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **/
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_PCU_E) || \
848 defined(CONFIG_RPXSUPER) || \
849 defined(CONFIG_SPD823TS) )
853 puts ("Reset Ethernet PHY\n");
858 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
865 printf ("U-Boot relocated to %08lx\n", dest_addr
);
873 /* Must happen after interrupts are initialized since
874 * an irq handler gets installed
876 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
877 serial_buffered_init();
880 #ifdef CONFIG_STATUS_LED
881 status_led_set (STATUS_LED_BOOT
, STATUS_LED_BLINKING
);
888 /* Insert function pointers now that we have relocated the code */
890 /* Initialize from environment */
891 if ((s
= getenv ("loadaddr")) != NULL
) {
892 load_addr
= simple_strtoul (s
, NULL
, 16);
894 #if (CONFIG_COMMANDS & CFG_CMD_NET)
895 if ((s
= getenv ("bootfile")) != NULL
) {
896 copy_filename (BootFile
, s
, sizeof (BootFile
));
898 #endif /* CFG_CMD_NET */
902 #if (CONFIG_COMMANDS & CFG_CMD_SCSI)
908 #if (CONFIG_COMMANDS & CFG_CMD_DOC)
914 #if (CONFIG_COMMANDS & CFG_CMD_NAND)
916 nand_init(); /* go init the NAND */
919 #if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI)
926 post_run (NULL
, POST_RAM
| post_bootmode_get(0));
927 if (post_bootmode_get(0) & POST_POWERFAIL
) {
928 post_bootmode_clear();
933 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) && !(CONFIG_COMMANDS & CFG_CMD_IDE)
939 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
941 # ifdef CONFIG_IDE_8xx_PCCARD
947 #endif /* CFG_CMD_IDE */
949 #ifdef CONFIG_LAST_STAGE_INIT
952 * Some parts can be only initialized if all others (like
953 * Interrupts) are up and running (i.e. the PC-style ISA
959 #if (CONFIG_COMMANDS & CFG_CMD_BEDBUG)
964 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
966 * Export available size of memory for Linux,
967 * taking into account the protected RAM at top of memory
975 if ((s
= getenv ("pram")) != NULL
) {
976 pram
= simple_strtoul (s
, NULL
, 10);
983 #ifdef CONFIG_LOGBUFFER
984 /* Also take the logbuffer into account (pram is in kB) */
985 pram
+= (LOGBUFF_LEN
+LOGBUFF_OVERHEAD
)/1024;
987 sprintf (memsz
, "%ldk", (bd
->bi_memsize
/ 1024) - pram
);
988 setenv ("mem", memsz
);
992 #ifdef CONFIG_MODEM_SUPPORT
994 extern int do_mdm_init
;
995 do_mdm_init
= gd
->do_mdm_init
;
999 /* Initialization complete - start the monitor */
1001 /* main_loop() can return to retry autoboot, if so just run it again. */
1007 /* NOTREACHED - no way out of command loop except booting */
1012 puts ("### ERROR ### Please RESET the board ###\n");
1016 #ifdef CONFIG_MODEM_SUPPORT
1017 /* called from main loop (common/main.c) */
1018 extern void dbg(const char *fmt
, ...);
1024 extern char console_buffer
[];
1025 static inline void mdm_readline(char *buf
, int bufsiz
);
1026 extern void enable_putc(void);
1027 extern int hwflow_onoff(int);
1029 enable_putc(); /* enable serial_putc() */
1031 #ifdef CONFIG_HWFLOW
1032 init_str
= getenv("mdm_flow_control");
1033 if (init_str
&& (strcmp(init_str
, "rts/cts") == 0))
1040 sprintf(env_str
, "mdm_init%d", i
);
1041 if ((init_str
= getenv(env_str
)) != NULL
) {
1042 serial_puts(init_str
);
1045 mdm_readline(console_buffer
, CFG_CBSIZE
);
1046 dbg("ini%d: [%s]", i
, console_buffer
);
1048 if ((strcmp(console_buffer
, "OK") == 0) ||
1049 (strcmp(console_buffer
, "ERROR") == 0)) {
1050 dbg("ini%d: cmd done", i
);
1052 } else /* in case we are originating call ... */
1053 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1054 dbg("ini%d: connect", i
);
1059 break; /* no init string - stop modem init */
1066 /* final stage - wait for connect */
1067 for(;i
> 1;) { /* if 'i' > 1 - wait for connection
1068 message from modem */
1069 mdm_readline(console_buffer
, CFG_CBSIZE
);
1070 dbg("ini_f: [%s]", console_buffer
);
1071 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1072 dbg("ini_f: connected");
1080 /* 'inline' - We have to do it fast */
1081 static inline void mdm_readline(char *buf
, int bufsiz
)
1092 /* dbg("(%c)", c); */
1104 return; /* sanity check */
1114 #if 0 /* We could use plain global data, but the resulting code is bigger */
1116 * Pointer to initial global data area
1118 * Here we initialize it.
1120 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1121 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1122 DECLARE_GLOBAL_DATA_PTR
= (gd_t
*) (CFG_INIT_RAM_ADDR
+ CFG_GBL_DATA_OFFSET
);
1125 /************************************************************************/