]>
git.ipfire.org Git - people/ms/u-boot.git/blob - lib_ppc/board.c
2 * (C) Copyright 2000-2006
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 defined(CONFIG_CMD_IDE)
41 #if defined(CONFIG_CMD_SATA)
44 #if defined(CONFIG_CMD_SCSI)
47 #if defined(CONFIG_CMD_KGDB)
50 #ifdef CONFIG_STATUS_LED
51 #include <status_led.h>
55 #ifdef CFG_ALLOC_DPRAM
56 #if !defined(CONFIG_CPM2)
61 #if defined(CONFIG_BAB7xx)
65 #if defined(CONFIG_POST)
68 #if defined(CONFIG_LOGBUFFER)
71 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CFG_UPDATE_FLASH_SIZE
79 extern int update_flash_size (int flash_size
);
82 #if defined(CONFIG_SC3)
83 extern void sc3_read_eeprom(void);
86 #if defined(CONFIG_CMD_DOC)
89 #if defined(CONFIG_HARD_I2C) || \
90 defined(CONFIG_SOFT_I2C)
93 #if defined(CONFIG_HARD_SPI)
96 #if defined(CONFIG_CMD_NAND)
97 void nand_init (void);
100 static char *failed
= "*** failed ***\n";
102 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
103 extern flash_info_t flash_info
[];
106 #if defined(CONFIG_START_IDE)
107 extern int board_start_ide(void);
109 #include <environment.h>
111 DECLARE_GLOBAL_DATA_PTR
;
113 #if defined(CFG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
115 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
116 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
117 defined(CFG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
120 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
123 #if !defined(CFG_MEM_TOP_HIDE)
124 #define CFG_MEM_TOP_HIDE 0
127 extern ulong __init_end
;
129 ulong monitor_flash_len
;
131 #if defined(CONFIG_CMD_BEDBUG)
132 #include <bedbug/type.h>
136 * Begin and End of memory area for malloc(), and current "brk"
138 static ulong mem_malloc_start
= 0;
139 static ulong mem_malloc_end
= 0;
140 static ulong mem_malloc_brk
= 0;
142 /************************************************************************
144 ************************************************************************
148 * The Malloc area is immediately below the monitor copy in DRAM
150 static void mem_malloc_init (void)
152 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
153 mem_malloc_end
= CFG_MONITOR_BASE
+ gd
->reloc_off
;
155 mem_malloc_start
= mem_malloc_end
- TOTAL_MALLOC_LEN
;
156 mem_malloc_brk
= mem_malloc_start
;
158 memset ((void *) mem_malloc_start
,
160 mem_malloc_end
- mem_malloc_start
);
163 void *sbrk (ptrdiff_t increment
)
165 ulong old
= mem_malloc_brk
;
166 ulong
new = old
+ increment
;
168 if ((new < mem_malloc_start
) || (new > mem_malloc_end
)) {
171 mem_malloc_brk
= new;
172 return ((void *) old
);
175 char *strmhz (char *buf
, long hz
)
181 l
= sprintf (buf
, "%ld", n
);
182 m
= (hz
% 1000000L) / 1000L;
184 sprintf (buf
+ l
, ".%03ld", m
);
189 * All attempts to come up with a "common" initialization sequence
190 * that works for all boards and architectures failed: some of the
191 * requirements are just _too_ different. To get rid of the resulting
192 * mess of board dependend #ifdef'ed code we now make the whole
193 * initialization sequence configurable to the user.
195 * The requirements for any new initalization function is simple: it
196 * receives a pointer to the "global data" structure as it's only
197 * argument, and returns an integer return code, where 0 means
198 * "continue" and != 0 means "fatal error, hang the system".
200 typedef int (init_fnc_t
) (void);
202 /************************************************************************
204 ************************************************************************
205 * Some of this code should be moved into the core functions,
206 * but let's get it working (again) first...
209 static int init_baudrate (void)
211 char tmp
[64]; /* long enough for environment variables */
212 int i
= getenv_r ("baudrate", tmp
, sizeof (tmp
));
214 gd
->baudrate
= (i
> 0)
215 ? (int) simple_strtoul (tmp
, NULL
, 10)
220 /***********************************************************************/
222 void __board_add_ram_info(int use_default
)
224 /* please define platform specific board_add_ram_info() */
226 void board_add_ram_info(int) __attribute__((weak
, alias("__board_add_ram_info")));
229 static int init_func_ram (void)
231 #ifdef CONFIG_BOARD_TYPES
232 int board_type
= gd
->board_type
;
234 int board_type
= 0; /* use dummy arg */
238 if ((gd
->ram_size
= initdram (board_type
)) > 0) {
239 print_size (gd
->ram_size
, "");
240 board_add_ram_info(0);
248 /***********************************************************************/
250 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
251 static int init_func_i2c (void)
254 i2c_init (CFG_I2C_SPEED
, CFG_I2C_SLAVE
);
260 #if defined(CONFIG_HARD_SPI)
261 static int init_func_spi (void)
270 /***********************************************************************/
272 #if defined(CONFIG_WATCHDOG)
273 static int init_func_watchdog_init (void)
275 puts (" Watchdog enabled\n");
279 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
281 static int init_func_watchdog_reset (void)
286 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
288 # define INIT_FUNC_WATCHDOG_INIT /* undef */
289 # define INIT_FUNC_WATCHDOG_RESET /* undef */
290 #endif /* CONFIG_WATCHDOG */
292 /************************************************************************
293 * Initialization sequence *
294 ************************************************************************
297 init_fnc_t
*init_sequence
[] = {
299 #if defined(CONFIG_BOARD_EARLY_INIT_F)
303 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
304 get_clocks
, /* get CPU and bus clocks (etc.) */
305 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
306 && !defined(CONFIG_TQM885D)
307 adjust_sdram_tbs_8xx
,
311 #ifdef CFG_ALLOC_DPRAM
312 #if !defined(CONFIG_CPM2)
316 #if defined(CONFIG_BOARD_POSTCLK_INIT)
320 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
321 get_clocks_866
, /* get CPU and bus clocks according to the environment variable */
322 sdram_adjust_866
, /* adjust sdram refresh rate according to the new clock */
329 #if defined(CONFIG_8260)
332 #endif /* CONFIG_8260 */
333 #if defined(CONFIG_MPC83XX)
337 #if defined(CONFIG_MPC5xxx)
339 #endif /* CONFIG_MPC5xxx */
340 #if defined(CONFIG_MPC8220)
344 INIT_FUNC_WATCHDOG_INIT
345 #if defined(CONFIG_MISC_INIT_F)
348 INIT_FUNC_WATCHDOG_RESET
349 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
352 #if defined(CONFIG_HARD_SPI)
355 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
361 INIT_FUNC_WATCHDOG_RESET
363 #if defined(CFG_DRAM_TEST)
365 #endif /* CFG_DRAM_TEST */
366 INIT_FUNC_WATCHDOG_RESET
368 NULL
, /* Terminate this list */
371 #ifndef CONFIG_MAX_MEM_MAPPED
372 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
374 ulong
get_effective_memsize(void)
376 #ifndef CONFIG_VERY_BIG_RAM
379 /* limit stack to what we can reasonable map */
380 return ((gd
->ram_size
> CONFIG_MAX_MEM_MAPPED
) ?
381 CONFIG_MAX_MEM_MAPPED
: gd
->ram_size
);
385 /************************************************************************
387 * This is the first part of the initialization sequence that is
388 * implemented in C, but still running from ROM.
390 * The main purpose is to provide a (serial) console interface as
391 * soon as possible (so we can see any error messages), and to
392 * initialize the RAM so that we can relocate the monitor code to
395 * Be aware of the restrictions: global data is read-only, BSS is not
396 * initialized, and stack space is limited to a few kB.
398 ************************************************************************
401 void board_init_f (ulong bootflag
)
404 ulong len
, addr
, addr_sp
;
407 init_fnc_t
**init_fnc_ptr
;
411 uchar tmp
[64]; /* long enough for environment variables */
414 /* Pointer is writable since we allocated a register for it */
415 gd
= (gd_t
*) (CFG_INIT_RAM_ADDR
+ CFG_GBL_DATA_OFFSET
);
416 /* compiler optimization barrier needed for GCC >= 3.4 */
417 __asm__
__volatile__("": : :"memory");
419 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
420 /* Clear initial global data */
421 memset ((void *) gd
, 0, sizeof (gd_t
));
424 for (init_fnc_ptr
= init_sequence
; *init_fnc_ptr
; ++init_fnc_ptr
) {
425 if ((*init_fnc_ptr
) () != 0) {
431 * Now that we have DRAM mapped and working, we can
432 * relocate the code and continue running from DRAM.
434 * Reserve memory at end of RAM for (top down in that order):
435 * - area that won't get touched by U-Boot and Linux (optional)
436 * - kernel log buffer
440 * - board info struct
442 len
= (ulong
)&_end
- CFG_MONITOR_BASE
;
445 * Subtract specified amount of memory to hide so that it won't
446 * get "touched" at all by U-Boot. By fixing up gd->ram_size
447 * the Linux kernel should now get passed the now "corrected"
448 * memory size and won't touch it either. This should work
449 * for arch/ppc and arch/powerpc. Only Linux board ports in
450 * arch/powerpc with bootwrapper support, that recalculate the
451 * memory size from the SDRAM controller setup will have to
454 gd
->ram_size
-= CFG_MEM_TOP_HIDE
;
456 addr
= CFG_SDRAM_BASE
+ get_effective_memsize();
458 #ifdef CONFIG_LOGBUFFER
459 #ifndef CONFIG_ALT_LB_ADDR
460 /* reserve kernel log buffer */
461 addr
-= (LOGBUFF_RESERVE
);
462 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN
, addr
);
468 * reserve protected RAM
470 i
= getenv_r ("pram", (char *)tmp
, sizeof (tmp
));
471 reg
= (i
> 0) ? simple_strtoul ((const char *)tmp
, NULL
, 10) : CONFIG_PRAM
;
472 addr
-= (reg
<< 10); /* size is in kB */
473 debug ("Reserving %ldk for protected RAM at %08lx\n", reg
, addr
);
474 #endif /* CONFIG_PRAM */
476 /* round down to next 4 kB limit */
478 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr
);
481 /* reserve memory for LCD display (always full pages) */
482 addr
= lcd_setmem (addr
);
484 #endif /* CONFIG_LCD */
486 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
487 /* reserve memory for video display (always full pages) */
488 addr
= video_setmem (addr
);
490 #endif /* CONFIG_VIDEO */
493 * reserve memory for U-Boot code, data & bss
494 * round down to next 4 kB limit
499 /* round down to next 64 kB limit so that IVPR stays aligned */
500 addr
&= ~(65536 - 1);
503 debug ("Reserving %ldk for U-Boot at: %08lx\n", len
>> 10, addr
);
505 #ifdef CONFIG_AMIGAONEG3SE
506 gd
->relocaddr
= addr
;
510 * reserve memory for malloc() arena
512 addr_sp
= addr
- TOTAL_MALLOC_LEN
;
513 debug ("Reserving %dk for malloc() at: %08lx\n",
514 TOTAL_MALLOC_LEN
>> 10, addr_sp
);
517 * (permanently) allocate a Board Info struct
518 * and a permanent copy of the "global" data
520 addr_sp
-= sizeof (bd_t
);
521 bd
= (bd_t
*) addr_sp
;
523 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
524 sizeof (bd_t
), addr_sp
);
525 addr_sp
-= sizeof (gd_t
);
526 id
= (gd_t
*) addr_sp
;
527 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
528 sizeof (gd_t
), addr_sp
);
531 * Finally, we set up a new (bigger) stack.
533 * Leave some safety gap for SP, force alignment on 16 byte boundary
534 * Clear initial stack frame
538 s
= (ulong
*)addr_sp
;
542 debug ("Stack Pointer at: %08lx\n", addr_sp
);
545 * Save local variables to board info struct
548 bd
->bi_memstart
= CFG_SDRAM_BASE
; /* start of DRAM memory */
549 bd
->bi_memsize
= gd
->ram_size
; /* size of DRAM memory in bytes */
552 bd
->bi_sramstart
= SRAM_BASE
; /* start of SRAM memory */
553 bd
->bi_sramsize
= SRAM_SIZE
; /* size of SRAM memory */
554 #elif defined CONFIG_MPC8220
555 bd
->bi_sramstart
= CFG_SRAM_BASE
; /* start of SRAM memory */
556 bd
->bi_sramsize
= CFG_SRAM_SIZE
; /* size of SRAM memory */
558 bd
->bi_sramstart
= 0; /* FIXME */ /* start of SRAM memory */
559 bd
->bi_sramsize
= 0; /* FIXME */ /* size of SRAM memory */
562 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
563 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
564 bd
->bi_immr_base
= CFG_IMMR
; /* base of IMMR register */
566 #if defined(CONFIG_MPC5xxx)
567 bd
->bi_mbar_base
= CFG_MBAR
; /* base of internal registers */
569 #if defined(CONFIG_MPC83XX)
570 bd
->bi_immrbar
= CFG_IMMR
;
572 #if defined(CONFIG_MPC8220)
573 bd
->bi_mbar_base
= CFG_MBAR
; /* base of internal registers */
574 bd
->bi_inpfreq
= gd
->inp_clk
;
575 bd
->bi_pcifreq
= gd
->pci_clk
;
576 bd
->bi_vcofreq
= gd
->vco_clk
;
577 bd
->bi_pevfreq
= gd
->pev_clk
;
578 bd
->bi_flbfreq
= gd
->flb_clk
;
580 /* store bootparam to sram (backward compatible), here? */
582 u32
*sram
= (u32
*)CFG_SRAM_BASE
;
583 *sram
++ = gd
->ram_size
;
584 *sram
++ = gd
->bus_clk
;
585 *sram
++ = gd
->inp_clk
;
586 *sram
++ = gd
->cpu_clk
;
587 *sram
++ = gd
->vco_clk
;
588 *sram
++ = gd
->flb_clk
;
589 *sram
++ = 0xb8c3ba11; /* boot signature */
593 bd
->bi_bootflags
= bootflag
; /* boot / reboot flag (for LynxOS) */
596 bd
->bi_intfreq
= gd
->cpu_clk
; /* Internal Freq, in Hz */
597 bd
->bi_busfreq
= gd
->bus_clk
; /* Bus Freq, in Hz */
598 #if defined(CONFIG_CPM2)
599 bd
->bi_cpmfreq
= gd
->cpm_clk
;
600 bd
->bi_brgfreq
= gd
->brg_clk
;
601 bd
->bi_sccfreq
= gd
->scc_clk
;
602 bd
->bi_vco
= gd
->vco_out
;
603 #endif /* CONFIG_CPM2 */
604 #if defined(CONFIG_MPC512X)
605 bd
->bi_ipsfreq
= gd
->ips_clk
;
606 #endif /* CONFIG_MPC512X */
607 #if defined(CONFIG_MPC5xxx)
608 bd
->bi_ipbfreq
= gd
->ipb_clk
;
609 bd
->bi_pcifreq
= gd
->pci_clk
;
610 #endif /* CONFIG_MPC5xxx */
611 bd
->bi_baudrate
= gd
->baudrate
; /* Console Baudrate */
614 strncpy ((char *)bd
->bi_s_version
, "1.2", sizeof (bd
->bi_s_version
));
615 strncpy ((char *)bd
->bi_r_version
, U_BOOT_VERSION
, sizeof (bd
->bi_r_version
));
617 bd
->bi_procfreq
= gd
->cpu_clk
; /* Processor Speed, In Hz */
618 bd
->bi_plb_busfreq
= gd
->bus_clk
;
619 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
620 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
621 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
622 bd
->bi_pci_busfreq
= get_PCI_freq ();
623 bd
->bi_opbfreq
= get_OPB_freq ();
624 #elif defined(CONFIG_XILINX_ML300)
625 bd
->bi_pci_busfreq
= get_PCI_freq ();
629 debug ("New Stack Pointer is: %08lx\n", addr_sp
);
634 post_bootmode_init();
635 post_run (NULL
, POST_ROM
| post_bootmode_get(0));
640 memcpy (id
, (void *)gd
, sizeof (gd_t
));
642 relocate_code (addr_sp
, id
, addr
);
644 /* NOTREACHED - relocate_code() does not return */
647 /************************************************************************
649 * This is the next part if the initialization sequence: we are now
650 * running from RAM and have a "normal" C environment, i. e. global
651 * data can be written, BSS has been cleared, the stack size in not
652 * that critical any more, etc.
654 ************************************************************************
656 void board_init_r (gd_t
*id
, ulong dest_addr
)
662 extern void malloc_bin_reloc (void);
663 #ifndef CFG_ENV_IS_NOWHERE
664 extern char * env_name_spec
;
671 gd
= id
; /* initialize RAM version of global data */
674 gd
->flags
|= GD_FLG_RELOC
; /* tell others: relocation done */
676 #if defined(CONFIG_RELOC_FIXUP_WORKS)
678 mem_malloc_end
= dest_addr
;
680 gd
->reloc_off
= dest_addr
- CFG_MONITOR_BASE
;
683 #ifdef CONFIG_SERIAL_MULTI
687 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr
);
691 #if defined(CONFIG_BOARD_EARLY_INIT_R)
692 board_early_init_r ();
695 monitor_flash_len
= (ulong
)&__init_end
- dest_addr
;
698 * We have to relocate the command table manually
700 for (cmdtp
= &__u_boot_cmd_start
; cmdtp
!= &__u_boot_cmd_end
; cmdtp
++) {
702 addr
= (ulong
) (cmdtp
->cmd
) + gd
->reloc_off
;
704 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
705 cmdtp
->name
, (ulong
) (cmdtp
->cmd
), addr
);
708 (int (*)(struct cmd_tbl_s
*, int, int, char *[]))addr
;
710 addr
= (ulong
)(cmdtp
->name
) + gd
->reloc_off
;
711 cmdtp
->name
= (char *)addr
;
714 addr
= (ulong
)(cmdtp
->usage
) + gd
->reloc_off
;
715 cmdtp
->usage
= (char *)addr
;
719 addr
= (ulong
)(cmdtp
->help
) + gd
->reloc_off
;
720 cmdtp
->help
= (char *)addr
;
724 /* there are some other pointer constants we must deal with */
725 #ifndef CFG_ENV_IS_NOWHERE
726 env_name_spec
+= gd
->reloc_off
;
731 #ifdef CONFIG_LOGBUFFER
732 logbuff_init_ptrs ();
735 post_output_backlog ();
741 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
742 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
743 icache_enable (); /* it's time to enable the instruction cache */
746 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
747 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
750 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
752 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
753 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
758 #if defined(CONFIG_BAB7xx)
760 * Initialise the ISA bridge
762 initialise_w83c553f ();
765 asm ("sync ; isync");
768 * Setup trap handlers
770 trap_init (dest_addr
);
772 #if !defined(CFG_NO_FLASH)
775 if ((flash_size
= flash_init ()) > 0) {
776 # ifdef CFG_FLASH_CHECKSUM
777 print_size (flash_size
, "");
779 * Compute and print flash CRC if flashchecksum is set to 'y'
781 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
783 s
= getenv ("flashchecksum");
784 if (s
&& (*s
== 'y')) {
785 printf (" CRC: %08lX",
786 crc32 (0, (const unsigned char *) CFG_FLASH_BASE
, flash_size
)
790 # else /* !CFG_FLASH_CHECKSUM */
791 print_size (flash_size
, "\n");
792 # endif /* CFG_FLASH_CHECKSUM */
798 bd
->bi_flashstart
= CFG_FLASH_BASE
; /* update start of FLASH memory */
799 bd
->bi_flashsize
= flash_size
; /* size of FLASH memory (final value) */
801 #if defined(CFG_UPDATE_FLASH_SIZE)
802 /* Make a update of the Memctrl. */
803 update_flash_size (flash_size
);
807 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
808 /* flash mapped at end of memory map */
809 bd
->bi_flashoffset
= TEXT_BASE
+ flash_size
;
810 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
811 bd
->bi_flashoffset
= monitor_flash_len
; /* reserved area for startup monitor */
813 bd
->bi_flashoffset
= 0;
815 #else /* CFG_NO_FLASH */
817 bd
->bi_flashsize
= 0;
818 bd
->bi_flashstart
= 0;
819 bd
->bi_flashoffset
= 0;
820 #endif /* !CFG_NO_FLASH */
824 /* initialize higher level parts of CPU like time base and timers */
829 /* initialize malloc() area */
834 # if !defined(CFG_ENV_IS_IN_EEPROM)
840 #if defined(CONFIG_CMD_NAND)
843 nand_init(); /* go init the NAND */
846 /* relocate environment function pointers etc. */
850 * Fill in missing fields of bd_info.
851 * We do this here, where we have "normal" access to the
852 * environment; we used to do this still running from ROM,
853 * where had to use getenv_r(), which can be pretty slow when
854 * the environment is in EEPROM.
857 #if defined(CFG_EXTBDINFO)
858 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
859 #if defined(CONFIG_I2CFAST)
861 * set bi_iic_fast for linux taking environment variable
862 * "i2cfast" into account
865 char *s
= getenv ("i2cfast");
866 if (s
&& ((*s
== 'y') || (*s
== 'Y'))) {
867 bd
->bi_iic_fast
[0] = 1;
868 bd
->bi_iic_fast
[1] = 1;
870 bd
->bi_iic_fast
[0] = 0;
871 bd
->bi_iic_fast
[1] = 0;
875 bd
->bi_iic_fast
[0] = 0;
876 bd
->bi_iic_fast
[1] = 0;
877 #endif /* CONFIG_I2CFAST */
878 #endif /* CONFIG_405GP, CONFIG_405EP */
879 #endif /* CFG_EXTBDINFO */
881 #if defined(CONFIG_SC3)
885 #if defined (CFG_ID_EEPROM) || defined (CFG_I2C_MAC_OFFSET)
886 mac_read_from_eeprom();
889 s
= getenv ("ethaddr");
890 #if defined (CONFIG_MBX) || \
891 defined (CONFIG_RPXCLASSIC) || \
892 defined(CONFIG_IAD210) || \
895 board_get_enetaddr (bd
->bi_enetaddr
);
898 for (i
= 0; i
< 6; ++i
) {
899 bd
->bi_enetaddr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
901 s
= (*e
) ? e
+ 1 : e
;
904 if ((gd
->board_type
>> 16) == 2)
905 bd
->bi_ethspeed
= gd
->board_type
& 0xFFFF;
907 bd
->bi_ethspeed
= 0xFFFF;
911 load_sernum_ethaddr ();
914 #ifdef CONFIG_HAS_ETH1
915 /* handle the 2nd ethernet address */
917 s
= getenv ("eth1addr");
919 for (i
= 0; i
< 6; ++i
) {
920 bd
->bi_enet1addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
922 s
= (*e
) ? e
+ 1 : e
;
925 #ifdef CONFIG_HAS_ETH2
926 /* handle the 3rd ethernet address */
928 s
= getenv ("eth2addr");
929 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
931 board_get_enetaddr(bd
->bi_enet2addr
);
934 for (i
= 0; i
< 6; ++i
) {
935 bd
->bi_enet2addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
937 s
= (*e
) ? e
+ 1 : e
;
941 #ifdef CONFIG_HAS_ETH3
942 /* handle 4th ethernet address */
943 s
= getenv("eth3addr");
944 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
946 board_get_enetaddr(bd
->bi_enet3addr
);
949 for (i
= 0; i
< 6; ++i
) {
950 bd
->bi_enet3addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
952 s
= (*e
) ? e
+ 1 : e
;
956 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
957 defined(CONFIG_TQM8272) || \
958 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
959 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
960 load_sernum_ethaddr ();
963 bd
->bi_ip_addr
= getenv_IPaddr ("ipaddr");
967 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
969 * Do pci configuration
974 /** leave this here (after malloc(), environment and PCI are working) **/
975 /* Initialize devices */
978 /* Initialize the jump table for applications */
981 #if defined(CONFIG_API)
986 /* Initialize the console (after the relocation and devices init) */
989 #if defined(CONFIG_CCM) || \
990 defined(CONFIG_COGENT) || \
991 defined(CONFIG_CPCI405) || \
992 defined(CONFIG_EVB64260) || \
993 defined(CONFIG_KUP4K) || \
994 defined(CONFIG_KUP4X) || \
995 defined(CONFIG_LWMON) || \
996 defined(CONFIG_PCU_E) || \
997 defined(CONFIG_SC3) || \
998 defined(CONFIG_W7O) || \
999 defined(CONFIG_MISC_INIT_R)
1000 /* miscellaneous platform dependent initialisations */
1004 #ifdef CONFIG_HERMES
1005 if (bd
->bi_ethspeed
!= 0xFFFF)
1006 hermes_start_lxt980 ((int) bd
->bi_ethspeed
);
1009 #if defined(CONFIG_CMD_KGDB)
1015 debug ("U-Boot relocated to %08lx\n", dest_addr
);
1022 /* Must happen after interrupts are initialized since
1023 * an irq handler gets installed
1025 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1026 serial_buffered_init();
1029 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1030 status_led_set (STATUS_LED_BOOT
, STATUS_LED_BLINKING
);
1037 /* Initialize from environment */
1038 if ((s
= getenv ("loadaddr")) != NULL
) {
1039 load_addr
= simple_strtoul (s
, NULL
, 16);
1041 #if defined(CONFIG_CMD_NET)
1042 if ((s
= getenv ("bootfile")) != NULL
) {
1043 copy_filename (BootFile
, s
, sizeof (BootFile
));
1049 #if defined(CONFIG_CMD_SCSI)
1055 #if defined(CONFIG_CMD_DOC)
1061 #if defined(CONFIG_CMD_NET)
1062 #if defined(CONFIG_NET_MULTI)
1066 eth_initialize (bd
);
1069 #if defined(CONFIG_CMD_NET) && ( \
1070 defined(CONFIG_CCM) || \
1071 defined(CONFIG_ELPT860) || \
1072 defined(CONFIG_EP8260) || \
1073 defined(CONFIG_IP860) || \
1074 defined(CONFIG_IVML24) || \
1075 defined(CONFIG_IVMS8) || \
1076 defined(CONFIG_MPC8260ADS) || \
1077 defined(CONFIG_MPC8266ADS) || \
1078 defined(CONFIG_MPC8560ADS) || \
1079 defined(CONFIG_PCU_E) || \
1080 defined(CONFIG_RPXSUPER) || \
1081 defined(CONFIG_STXGP3) || \
1082 defined(CONFIG_SPD823TS) || \
1083 defined(CONFIG_RESET_PHY_R) )
1086 debug ("Reset Ethernet PHY\n");
1091 post_run (NULL
, POST_RAM
| post_bootmode_get(0));
1094 #if defined(CONFIG_CMD_PCMCIA) \
1095 && !defined(CONFIG_CMD_IDE)
1101 #if defined(CONFIG_CMD_IDE)
1103 # ifdef CONFIG_IDE_8xx_PCCARD
1108 #if defined(CONFIG_START_IDE)
1109 if (board_start_ide())
1116 #if defined(CONFIG_CMD_SATA)
1121 #ifdef CONFIG_LAST_STAGE_INIT
1124 * Some parts can be only initialized if all others (like
1125 * Interrupts) are up and running (i.e. the PC-style ISA
1131 #if defined(CONFIG_CMD_BEDBUG)
1136 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1138 * Export available size of memory for Linux,
1139 * taking into account the protected RAM at top of memory
1147 if ((s
= getenv ("pram")) != NULL
) {
1148 pram
= simple_strtoul (s
, NULL
, 10);
1155 #ifdef CONFIG_LOGBUFFER
1156 #ifndef CONFIG_ALT_LB_ADDR
1157 /* Also take the logbuffer into account (pram is in kB) */
1158 pram
+= (LOGBUFF_LEN
+LOGBUFF_OVERHEAD
)/1024;
1161 sprintf ((char *)memsz
, "%ldk", (bd
->bi_memsize
/ 1024) - pram
);
1162 setenv ("mem", (char *)memsz
);
1166 #ifdef CONFIG_PS2KBD
1171 #ifdef CONFIG_MODEM_SUPPORT
1173 extern int do_mdm_init
;
1174 do_mdm_init
= gd
->do_mdm_init
;
1178 /* Initialization complete - start the monitor */
1180 /* main_loop() can return to retry autoboot, if so just run it again. */
1186 /* NOTREACHED - no way out of command loop except booting */
1191 puts ("### ERROR ### Please RESET the board ###\n");
1192 show_boot_progress(-30);
1196 #ifdef CONFIG_MODEM_SUPPORT
1197 /* called from main loop (common/main.c) */
1198 /* 'inline' - We have to do it fast */
1199 static inline void mdm_readline(char *buf
, int bufsiz
)
1210 /* dbg("(%c)", c); */
1222 return; /* sanity check */
1231 extern void dbg(const char *fmt
, ...);
1237 extern char console_buffer
[];
1238 extern void enable_putc(void);
1239 extern int hwflow_onoff(int);
1241 enable_putc(); /* enable serial_putc() */
1243 #ifdef CONFIG_HWFLOW
1244 init_str
= getenv("mdm_flow_control");
1245 if (init_str
&& (strcmp(init_str
, "rts/cts") == 0))
1252 sprintf(env_str
, "mdm_init%d", i
);
1253 if ((init_str
= getenv(env_str
)) != NULL
) {
1254 serial_puts(init_str
);
1257 mdm_readline(console_buffer
, CFG_CBSIZE
);
1258 dbg("ini%d: [%s]", i
, console_buffer
);
1260 if ((strcmp(console_buffer
, "OK") == 0) ||
1261 (strcmp(console_buffer
, "ERROR") == 0)) {
1262 dbg("ini%d: cmd done", i
);
1264 } else /* in case we are originating call ... */
1265 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1266 dbg("ini%d: connect", i
);
1271 break; /* no init string - stop modem init */
1278 /* final stage - wait for connect */
1279 for(;i
> 1;) { /* if 'i' > 1 - wait for connection
1280 message from modem */
1281 mdm_readline(console_buffer
, CFG_CBSIZE
);
1282 dbg("ini_f: [%s]", console_buffer
);
1283 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1284 dbg("ini_f: connected");
1294 #if 0 /* We could use plain global data, but the resulting code is bigger */
1296 * Pointer to initial global data area
1298 * Here we initialize it.
1300 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1301 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1302 DECLARE_GLOBAL_DATA_PTR
= (gd_t
*) (CFG_INIT_RAM_ADDR
+ CFG_GBL_DATA_OFFSET
);
1305 /************************************************************************/