]>
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_SCSI)
44 #if defined(CONFIG_CMD_KGDB)
47 #ifdef CONFIG_STATUS_LED
48 #include <status_led.h>
52 #ifdef CFG_ALLOC_DPRAM
53 #if !defined(CONFIG_CPM2)
58 #if defined(CONFIG_BAB7xx)
62 #if defined(CONFIG_POST)
65 #if defined(CONFIG_LOGBUFFER)
68 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
69 #include <asm/cache.h>
75 #ifdef CFG_UPDATE_FLASH_SIZE
76 extern int update_flash_size (int flash_size
);
79 #if defined(CONFIG_SC3)
80 extern void sc3_read_eeprom(void);
83 #if defined(CONFIG_CMD_DOC)
86 #if defined(CONFIG_HARD_I2C) || \
87 defined(CONFIG_SOFT_I2C)
90 #if defined(CONFIG_CMD_NAND)
91 void nand_init (void);
94 static char *failed
= "*** failed ***\n";
96 #if defined(CONFIG_OXC) || defined(CONFIG_PCU_E) || defined(CONFIG_RMU)
97 extern flash_info_t flash_info
[];
100 #if defined(CONFIG_START_IDE)
101 extern int board_start_ide(void);
103 #include <environment.h>
105 DECLARE_GLOBAL_DATA_PTR
;
107 #if defined(CFG_ENV_IS_EMBEDDED)
108 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
109 #elif ( ((CFG_ENV_ADDR+CFG_ENV_SIZE) < CFG_MONITOR_BASE) || \
110 (CFG_ENV_ADDR >= (CFG_MONITOR_BASE + CFG_MONITOR_LEN)) ) || \
111 defined(CFG_ENV_IS_IN_NVRAM)
112 #define TOTAL_MALLOC_LEN (CFG_MALLOC_LEN + CFG_ENV_SIZE)
114 #define TOTAL_MALLOC_LEN CFG_MALLOC_LEN
117 extern ulong __init_end
;
119 ulong monitor_flash_len
;
121 #if defined(CONFIG_CMD_BEDBUG)
122 #include <bedbug/type.h>
126 * Begin and End of memory area for malloc(), and current "brk"
128 static ulong mem_malloc_start
= 0;
129 static ulong mem_malloc_end
= 0;
130 static ulong mem_malloc_brk
= 0;
132 /************************************************************************
134 ************************************************************************
138 * The Malloc area is immediately below the monitor copy in DRAM
140 static void mem_malloc_init (void)
142 #if !defined(CONFIG_RELOC_FIXUP_WORKS)
143 mem_malloc_end
= CFG_MONITOR_BASE
+ gd
->reloc_off
;
145 mem_malloc_start
= mem_malloc_end
- TOTAL_MALLOC_LEN
;
146 mem_malloc_brk
= mem_malloc_start
;
148 memset ((void *) mem_malloc_start
,
150 mem_malloc_end
- mem_malloc_start
);
153 void *sbrk (ptrdiff_t increment
)
155 ulong old
= mem_malloc_brk
;
156 ulong
new = old
+ increment
;
158 if ((new < mem_malloc_start
) || (new > mem_malloc_end
)) {
161 mem_malloc_brk
= new;
162 return ((void *) old
);
165 char *strmhz (char *buf
, long hz
)
171 l
= sprintf (buf
, "%ld", n
);
172 m
= (hz
% 1000000L) / 1000L;
174 sprintf (buf
+ l
, ".%03ld", m
);
179 * All attempts to come up with a "common" initialization sequence
180 * that works for all boards and architectures failed: some of the
181 * requirements are just _too_ different. To get rid of the resulting
182 * mess of board dependend #ifdef'ed code we now make the whole
183 * initialization sequence configurable to the user.
185 * The requirements for any new initalization function is simple: it
186 * receives a pointer to the "global data" structure as it's only
187 * argument, and returns an integer return code, where 0 means
188 * "continue" and != 0 means "fatal error, hang the system".
190 typedef int (init_fnc_t
) (void);
192 /************************************************************************
194 ************************************************************************
195 * Some of this code should be moved into the core functions,
196 * but let's get it working (again) first...
199 static int init_baudrate (void)
201 char tmp
[64]; /* long enough for environment variables */
202 int i
= getenv_r ("baudrate", tmp
, sizeof (tmp
));
204 gd
->baudrate
= (i
> 0)
205 ? (int) simple_strtoul (tmp
, NULL
, 10)
210 /***********************************************************************/
212 void __board_add_ram_info(int use_default
)
214 /* please define platform specific board_add_ram_info() */
216 void board_add_ram_info(int) __attribute__((weak
, alias("__board_add_ram_info")));
219 static int init_func_ram (void)
221 #ifdef CONFIG_BOARD_TYPES
222 int board_type
= gd
->board_type
;
224 int board_type
= 0; /* use dummy arg */
228 if ((gd
->ram_size
= initdram (board_type
)) > 0) {
229 print_size (gd
->ram_size
, "");
230 board_add_ram_info(0);
238 /***********************************************************************/
240 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
241 static int init_func_i2c (void)
244 i2c_init (CFG_I2C_SPEED
, CFG_I2C_SLAVE
);
250 /***********************************************************************/
252 #if defined(CONFIG_WATCHDOG)
253 static int init_func_watchdog_init (void)
255 puts (" Watchdog enabled\n");
259 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
261 static int init_func_watchdog_reset (void)
266 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
268 # define INIT_FUNC_WATCHDOG_INIT /* undef */
269 # define INIT_FUNC_WATCHDOG_RESET /* undef */
270 #endif /* CONFIG_WATCHDOG */
272 /************************************************************************
273 * Initialization sequence *
274 ************************************************************************
277 init_fnc_t
*init_sequence
[] = {
279 #if defined(CONFIG_BOARD_EARLY_INIT_F)
283 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
284 get_clocks
, /* get CPU and bus clocks (etc.) */
285 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
286 && !defined(CONFIG_TQM885D)
287 adjust_sdram_tbs_8xx
,
291 #ifdef CFG_ALLOC_DPRAM
292 #if !defined(CONFIG_CPM2)
296 #if defined(CONFIG_BOARD_POSTCLK_INIT)
300 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
301 get_clocks_866
, /* get CPU and bus clocks according to the environment variable */
302 sdram_adjust_866
, /* adjust sdram refresh rate according to the new clock */
309 #if defined(CONFIG_8260)
312 #endif /* CONFIG_8260 */
313 #if defined(CONFIG_MPC83XX)
317 #if defined(CONFIG_MPC5xxx)
319 #endif /* CONFIG_MPC5xxx */
320 #if defined(CONFIG_MPC8220)
324 INIT_FUNC_WATCHDOG_INIT
325 #if defined(CONFIG_MISC_INIT_F)
328 INIT_FUNC_WATCHDOG_RESET
329 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
332 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
338 INIT_FUNC_WATCHDOG_RESET
340 #if defined(CFG_DRAM_TEST)
342 #endif /* CFG_DRAM_TEST */
343 INIT_FUNC_WATCHDOG_RESET
345 NULL
, /* Terminate this list */
348 /************************************************************************
350 * This is the first part of the initialization sequence that is
351 * implemented in C, but still running from ROM.
353 * The main purpose is to provide a (serial) console interface as
354 * soon as possible (so we can see any error messages), and to
355 * initialize the RAM so that we can relocate the monitor code to
358 * Be aware of the restrictions: global data is read-only, BSS is not
359 * initialized, and stack space is limited to a few kB.
361 ************************************************************************
364 void board_init_f (ulong bootflag
)
367 ulong len
, addr
, addr_sp
;
370 init_fnc_t
**init_fnc_ptr
;
374 uchar tmp
[64]; /* long enough for environment variables */
377 /* Pointer is writable since we allocated a register for it */
378 gd
= (gd_t
*) (CFG_INIT_RAM_ADDR
+ CFG_GBL_DATA_OFFSET
);
379 /* compiler optimization barrier needed for GCC >= 3.4 */
380 __asm__
__volatile__("": : :"memory");
382 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX)
383 /* Clear initial global data */
384 memset ((void *) gd
, 0, sizeof (gd_t
));
387 for (init_fnc_ptr
= init_sequence
; *init_fnc_ptr
; ++init_fnc_ptr
) {
388 if ((*init_fnc_ptr
) () != 0) {
394 * Now that we have DRAM mapped and working, we can
395 * relocate the code and continue running from DRAM.
397 * Reserve memory at end of RAM for (top down in that order):
398 * - kernel log buffer
402 * - board info struct
404 len
= (ulong
)&_end
- CFG_MONITOR_BASE
;
406 #ifndef CONFIG_VERY_BIG_RAM
407 addr
= CFG_SDRAM_BASE
+ gd
->ram_size
;
409 /* only allow stack below 256M */
410 addr
= CFG_SDRAM_BASE
+
411 (gd
->ram_size
> 256 << 20) ? 256 << 20 : gd
->ram_size
;
414 #ifdef CONFIG_LOGBUFFER
415 /* reserve kernel log buffer */
416 addr
-= (LOGBUFF_RESERVE
);
417 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN
, addr
);
422 * reserve protected RAM
424 i
= getenv_r ("pram", (char *)tmp
, sizeof (tmp
));
425 reg
= (i
> 0) ? simple_strtoul ((const char *)tmp
, NULL
, 10) : CONFIG_PRAM
;
426 addr
-= (reg
<< 10); /* size is in kB */
427 debug ("Reserving %ldk for protected RAM at %08lx\n", reg
, addr
);
428 #endif /* CONFIG_PRAM */
430 /* round down to next 4 kB limit */
432 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr
);
435 /* reserve memory for LCD display (always full pages) */
436 addr
= lcd_setmem (addr
);
438 #endif /* CONFIG_LCD */
440 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
441 /* reserve memory for video display (always full pages) */
442 addr
= video_setmem (addr
);
444 #endif /* CONFIG_VIDEO */
447 * reserve memory for U-Boot code, data & bss
448 * round down to next 4 kB limit
453 /* round down to next 64 kB limit so that IVPR stays aligned */
454 addr
&= ~(65536 - 1);
457 debug ("Reserving %ldk for U-Boot at: %08lx\n", len
>> 10, addr
);
459 #ifdef CONFIG_AMIGAONEG3SE
460 gd
->relocaddr
= addr
;
464 * reserve memory for malloc() arena
466 addr_sp
= addr
- TOTAL_MALLOC_LEN
;
467 debug ("Reserving %dk for malloc() at: %08lx\n",
468 TOTAL_MALLOC_LEN
>> 10, addr_sp
);
471 * (permanently) allocate a Board Info struct
472 * and a permanent copy of the "global" data
474 addr_sp
-= sizeof (bd_t
);
475 bd
= (bd_t
*) addr_sp
;
477 debug ("Reserving %d Bytes for Board Info at: %08lx\n",
478 sizeof (bd_t
), addr_sp
);
479 addr_sp
-= sizeof (gd_t
);
480 id
= (gd_t
*) addr_sp
;
481 debug ("Reserving %d Bytes for Global Data at: %08lx\n",
482 sizeof (gd_t
), addr_sp
);
485 * Finally, we set up a new (bigger) stack.
487 * Leave some safety gap for SP, force alignment on 16 byte boundary
488 * Clear initial stack frame
492 s
= (ulong
*)addr_sp
;
496 debug ("Stack Pointer at: %08lx\n", addr_sp
);
499 * Save local variables to board info struct
502 bd
->bi_memstart
= CFG_SDRAM_BASE
; /* start of DRAM memory */
503 bd
->bi_memsize
= gd
->ram_size
; /* size of DRAM memory in bytes */
506 bd
->bi_sramstart
= SRAM_BASE
; /* start of SRAM memory */
507 bd
->bi_sramsize
= SRAM_SIZE
; /* size of SRAM memory */
508 #elif defined CONFIG_MPC8220
509 bd
->bi_sramstart
= CFG_SRAM_BASE
; /* start of SRAM memory */
510 bd
->bi_sramsize
= CFG_SRAM_SIZE
; /* size of SRAM memory */
512 bd
->bi_sramstart
= 0; /* FIXME */ /* start of SRAM memory */
513 bd
->bi_sramsize
= 0; /* FIXME */ /* size of SRAM memory */
516 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
517 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
518 bd
->bi_immr_base
= CFG_IMMR
; /* base of IMMR register */
520 #if defined(CONFIG_MPC5xxx)
521 bd
->bi_mbar_base
= CFG_MBAR
; /* base of internal registers */
523 #if defined(CONFIG_MPC83XX)
524 bd
->bi_immrbar
= CFG_IMMR
;
526 #if defined(CONFIG_MPC8220)
527 bd
->bi_mbar_base
= CFG_MBAR
; /* base of internal registers */
528 bd
->bi_inpfreq
= gd
->inp_clk
;
529 bd
->bi_pcifreq
= gd
->pci_clk
;
530 bd
->bi_vcofreq
= gd
->vco_clk
;
531 bd
->bi_pevfreq
= gd
->pev_clk
;
532 bd
->bi_flbfreq
= gd
->flb_clk
;
534 /* store bootparam to sram (backward compatible), here? */
536 u32
*sram
= (u32
*)CFG_SRAM_BASE
;
537 *sram
++ = gd
->ram_size
;
538 *sram
++ = gd
->bus_clk
;
539 *sram
++ = gd
->inp_clk
;
540 *sram
++ = gd
->cpu_clk
;
541 *sram
++ = gd
->vco_clk
;
542 *sram
++ = gd
->flb_clk
;
543 *sram
++ = 0xb8c3ba11; /* boot signature */
547 bd
->bi_bootflags
= bootflag
; /* boot / reboot flag (for LynxOS) */
550 bd
->bi_intfreq
= gd
->cpu_clk
; /* Internal Freq, in Hz */
551 bd
->bi_busfreq
= gd
->bus_clk
; /* Bus Freq, in Hz */
552 #if defined(CONFIG_CPM2)
553 bd
->bi_cpmfreq
= gd
->cpm_clk
;
554 bd
->bi_brgfreq
= gd
->brg_clk
;
555 bd
->bi_sccfreq
= gd
->scc_clk
;
556 bd
->bi_vco
= gd
->vco_out
;
557 #endif /* CONFIG_CPM2 */
558 #if defined(CONFIG_MPC512X)
559 bd
->bi_ipsfreq
= gd
->ips_clk
;
560 #endif /* CONFIG_MPC512X */
561 #if defined(CONFIG_MPC5xxx)
562 bd
->bi_ipbfreq
= gd
->ipb_clk
;
563 bd
->bi_pcifreq
= gd
->pci_clk
;
564 #endif /* CONFIG_MPC5xxx */
565 bd
->bi_baudrate
= gd
->baudrate
; /* Console Baudrate */
568 strncpy ((char *)bd
->bi_s_version
, "1.2", sizeof (bd
->bi_s_version
));
569 strncpy ((char *)bd
->bi_r_version
, U_BOOT_VERSION
, sizeof (bd
->bi_r_version
));
571 bd
->bi_procfreq
= gd
->cpu_clk
; /* Processor Speed, In Hz */
572 bd
->bi_plb_busfreq
= gd
->bus_clk
;
573 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
574 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
575 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
576 bd
->bi_pci_busfreq
= get_PCI_freq ();
577 bd
->bi_opbfreq
= get_OPB_freq ();
578 #elif defined(CONFIG_XILINX_ML300)
579 bd
->bi_pci_busfreq
= get_PCI_freq ();
583 debug ("New Stack Pointer is: %08lx\n", addr_sp
);
588 post_bootmode_init();
589 post_run (NULL
, POST_ROM
| post_bootmode_get(0));
594 memcpy (id
, (void *)gd
, sizeof (gd_t
));
596 relocate_code (addr_sp
, id
, addr
);
598 /* NOTREACHED - relocate_code() does not return */
601 /************************************************************************
603 * This is the next part if the initialization sequence: we are now
604 * running from RAM and have a "normal" C environment, i. e. global
605 * data can be written, BSS has been cleared, the stack size in not
606 * that critical any more, etc.
608 ************************************************************************
610 void board_init_r (gd_t
*id
, ulong dest_addr
)
616 extern void malloc_bin_reloc (void);
617 #ifndef CFG_ENV_IS_NOWHERE
618 extern char * env_name_spec
;
625 gd
= id
; /* initialize RAM version of global data */
628 gd
->flags
|= GD_FLG_RELOC
; /* tell others: relocation done */
630 #if defined(CONFIG_RELOC_FIXUP_WORKS)
632 mem_malloc_end
= dest_addr
;
634 gd
->reloc_off
= dest_addr
- CFG_MONITOR_BASE
;
637 #ifdef CONFIG_SERIAL_MULTI
641 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr
);
645 #if defined(CONFIG_BOARD_EARLY_INIT_R)
646 board_early_init_r ();
649 monitor_flash_len
= (ulong
)&__init_end
- dest_addr
;
652 * We have to relocate the command table manually
654 for (cmdtp
= &__u_boot_cmd_start
; cmdtp
!= &__u_boot_cmd_end
; cmdtp
++) {
656 addr
= (ulong
) (cmdtp
->cmd
) + gd
->reloc_off
;
658 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
659 cmdtp
->name
, (ulong
) (cmdtp
->cmd
), addr
);
662 (int (*)(struct cmd_tbl_s
*, int, int, char *[]))addr
;
664 addr
= (ulong
)(cmdtp
->name
) + gd
->reloc_off
;
665 cmdtp
->name
= (char *)addr
;
668 addr
= (ulong
)(cmdtp
->usage
) + gd
->reloc_off
;
669 cmdtp
->usage
= (char *)addr
;
673 addr
= (ulong
)(cmdtp
->help
) + gd
->reloc_off
;
674 cmdtp
->help
= (char *)addr
;
678 /* there are some other pointer constants we must deal with */
679 #ifndef CFG_ENV_IS_NOWHERE
680 env_name_spec
+= gd
->reloc_off
;
685 #ifdef CONFIG_LOGBUFFER
686 logbuff_init_ptrs ();
689 post_output_backlog ();
695 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
696 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
697 icache_enable (); /* it's time to enable the instruction cache */
700 #if defined(CFG_INIT_RAM_LOCK) && defined(CONFIG_E500)
701 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
704 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
706 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
707 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
712 #if defined(CONFIG_BAB7xx)
714 * Initialise the ISA bridge
716 initialise_w83c553f ();
719 asm ("sync ; isync");
722 * Setup trap handlers
724 trap_init (dest_addr
);
726 #if !defined(CFG_NO_FLASH)
729 if ((flash_size
= flash_init ()) > 0) {
730 # ifdef CFG_FLASH_CHECKSUM
731 print_size (flash_size
, "");
733 * Compute and print flash CRC if flashchecksum is set to 'y'
735 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
737 s
= getenv ("flashchecksum");
738 if (s
&& (*s
== 'y')) {
739 printf (" CRC: %08lX",
740 crc32 (0, (const unsigned char *) CFG_FLASH_BASE
, flash_size
)
744 # else /* !CFG_FLASH_CHECKSUM */
745 print_size (flash_size
, "\n");
746 # endif /* CFG_FLASH_CHECKSUM */
752 bd
->bi_flashstart
= CFG_FLASH_BASE
; /* update start of FLASH memory */
753 bd
->bi_flashsize
= flash_size
; /* size of FLASH memory (final value) */
755 #if defined(CFG_UPDATE_FLASH_SIZE)
756 /* Make a update of the Memctrl. */
757 update_flash_size (flash_size
);
761 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
762 /* flash mapped at end of memory map */
763 bd
->bi_flashoffset
= TEXT_BASE
+ flash_size
;
764 # elif CFG_MONITOR_BASE == CFG_FLASH_BASE
765 bd
->bi_flashoffset
= monitor_flash_len
; /* reserved area for startup monitor */
767 bd
->bi_flashoffset
= 0;
769 #else /* CFG_NO_FLASH */
771 bd
->bi_flashsize
= 0;
772 bd
->bi_flashstart
= 0;
773 bd
->bi_flashoffset
= 0;
774 #endif /* !CFG_NO_FLASH */
778 /* initialize higher level parts of CPU like time base and timers */
783 /* initialize malloc() area */
788 # if !defined(CFG_ENV_IS_IN_EEPROM)
794 #if defined(CONFIG_CMD_NAND)
797 nand_init(); /* go init the NAND */
800 /* relocate environment function pointers etc. */
804 * Fill in missing fields of bd_info.
805 * We do this here, where we have "normal" access to the
806 * environment; we used to do this still running from ROM,
807 * where had to use getenv_r(), which can be pretty slow when
808 * the environment is in EEPROM.
811 #if defined(CFG_EXTBDINFO)
812 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
813 #if defined(CONFIG_I2CFAST)
815 * set bi_iic_fast for linux taking environment variable
816 * "i2cfast" into account
819 char *s
= getenv ("i2cfast");
820 if (s
&& ((*s
== 'y') || (*s
== 'Y'))) {
821 bd
->bi_iic_fast
[0] = 1;
822 bd
->bi_iic_fast
[1] = 1;
824 bd
->bi_iic_fast
[0] = 0;
825 bd
->bi_iic_fast
[1] = 0;
829 bd
->bi_iic_fast
[0] = 0;
830 bd
->bi_iic_fast
[1] = 0;
831 #endif /* CONFIG_I2CFAST */
832 #endif /* CONFIG_405GP, CONFIG_405EP */
833 #endif /* CFG_EXTBDINFO */
835 #if defined(CONFIG_SC3)
840 mac_read_from_eeprom();
843 s
= getenv ("ethaddr");
844 #if defined (CONFIG_MBX) || \
845 defined (CONFIG_RPXCLASSIC) || \
846 defined(CONFIG_IAD210) || \
849 board_get_enetaddr (bd
->bi_enetaddr
);
852 for (i
= 0; i
< 6; ++i
) {
853 bd
->bi_enetaddr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
855 s
= (*e
) ? e
+ 1 : e
;
858 if ((gd
->board_type
>> 16) == 2)
859 bd
->bi_ethspeed
= gd
->board_type
& 0xFFFF;
861 bd
->bi_ethspeed
= 0xFFFF;
865 load_sernum_ethaddr ();
868 #ifdef CONFIG_HAS_ETH1
869 /* handle the 2nd ethernet address */
871 s
= getenv ("eth1addr");
873 for (i
= 0; i
< 6; ++i
) {
874 bd
->bi_enet1addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
876 s
= (*e
) ? e
+ 1 : e
;
879 #ifdef CONFIG_HAS_ETH2
880 /* handle the 3rd ethernet address */
882 s
= getenv ("eth2addr");
883 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
885 board_get_enetaddr(bd
->bi_enet2addr
);
888 for (i
= 0; i
< 6; ++i
) {
889 bd
->bi_enet2addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
891 s
= (*e
) ? e
+ 1 : e
;
895 #ifdef CONFIG_HAS_ETH3
896 /* handle 4th ethernet address */
897 s
= getenv("eth3addr");
898 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
900 board_get_enetaddr(bd
->bi_enet3addr
);
903 for (i
= 0; i
< 6; ++i
) {
904 bd
->bi_enet3addr
[i
] = s
? simple_strtoul (s
, &e
, 16) : 0;
906 s
= (*e
) ? e
+ 1 : e
;
910 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
911 defined(CONFIG_TQM8272) || \
912 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
913 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
914 load_sernum_ethaddr ();
917 bd
->bi_ip_addr
= getenv_IPaddr ("ipaddr");
921 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
923 * Do pci configuration
928 /** leave this here (after malloc(), environment and PCI are working) **/
929 /* Initialize devices */
932 /* Initialize the jump table for applications */
935 #if defined(CONFIG_API)
940 /* Initialize the console (after the relocation and devices init) */
943 #if defined(CONFIG_CCM) || \
944 defined(CONFIG_COGENT) || \
945 defined(CONFIG_CPCI405) || \
946 defined(CONFIG_EVB64260) || \
947 defined(CONFIG_KUP4K) || \
948 defined(CONFIG_KUP4X) || \
949 defined(CONFIG_LWMON) || \
950 defined(CONFIG_PCU_E) || \
951 defined(CONFIG_SC3) || \
952 defined(CONFIG_W7O) || \
953 defined(CONFIG_MISC_INIT_R)
954 /* miscellaneous platform dependent initialisations */
959 if (bd
->bi_ethspeed
!= 0xFFFF)
960 hermes_start_lxt980 ((int) bd
->bi_ethspeed
);
963 #if defined(CONFIG_CMD_KGDB)
969 debug ("U-Boot relocated to %08lx\n", dest_addr
);
976 /* Must happen after interrupts are initialized since
977 * an irq handler gets installed
979 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
980 serial_buffered_init();
983 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
984 status_led_set (STATUS_LED_BOOT
, STATUS_LED_BLINKING
);
991 /* Initialize from environment */
992 if ((s
= getenv ("loadaddr")) != NULL
) {
993 load_addr
= simple_strtoul (s
, NULL
, 16);
995 #if defined(CONFIG_CMD_NET)
996 if ((s
= getenv ("bootfile")) != NULL
) {
997 copy_filename (BootFile
, s
, sizeof (BootFile
));
1003 #if defined(CONFIG_CMD_SCSI)
1009 #if defined(CONFIG_CMD_DOC)
1015 #if defined(CONFIG_CMD_NET)
1016 #if defined(CONFIG_NET_MULTI)
1020 eth_initialize (bd
);
1023 #if defined(CONFIG_CMD_NET) && ( \
1024 defined(CONFIG_CCM) || \
1025 defined(CONFIG_ELPT860) || \
1026 defined(CONFIG_EP8260) || \
1027 defined(CONFIG_IP860) || \
1028 defined(CONFIG_IVML24) || \
1029 defined(CONFIG_IVMS8) || \
1030 defined(CONFIG_MPC8260ADS) || \
1031 defined(CONFIG_MPC8266ADS) || \
1032 defined(CONFIG_MPC8560ADS) || \
1033 defined(CONFIG_PCU_E) || \
1034 defined(CONFIG_RPXSUPER) || \
1035 defined(CONFIG_STXGP3) || \
1036 defined(CONFIG_SPD823TS) || \
1037 defined(CONFIG_RESET_PHY_R) )
1040 debug ("Reset Ethernet PHY\n");
1045 post_run (NULL
, POST_RAM
| post_bootmode_get(0));
1048 #if defined(CONFIG_CMD_PCMCIA) \
1049 && !defined(CONFIG_CMD_IDE)
1055 #if defined(CONFIG_CMD_IDE)
1057 # ifdef CONFIG_IDE_8xx_PCCARD
1062 #if defined(CONFIG_START_IDE)
1063 if (board_start_ide())
1070 #ifdef CONFIG_LAST_STAGE_INIT
1073 * Some parts can be only initialized if all others (like
1074 * Interrupts) are up and running (i.e. the PC-style ISA
1080 #if defined(CONFIG_CMD_BEDBUG)
1085 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1087 * Export available size of memory for Linux,
1088 * taking into account the protected RAM at top of memory
1096 if ((s
= getenv ("pram")) != NULL
) {
1097 pram
= simple_strtoul (s
, NULL
, 10);
1104 #ifdef CONFIG_LOGBUFFER
1105 /* Also take the logbuffer into account (pram is in kB) */
1106 pram
+= (LOGBUFF_LEN
+LOGBUFF_OVERHEAD
)/1024;
1108 sprintf ((char *)memsz
, "%ldk", (bd
->bi_memsize
/ 1024) - pram
);
1109 setenv ("mem", (char *)memsz
);
1113 #ifdef CONFIG_PS2KBD
1118 #ifdef CONFIG_MODEM_SUPPORT
1120 extern int do_mdm_init
;
1121 do_mdm_init
= gd
->do_mdm_init
;
1125 /* Initialization complete - start the monitor */
1127 /* main_loop() can return to retry autoboot, if so just run it again. */
1133 /* NOTREACHED - no way out of command loop except booting */
1138 puts ("### ERROR ### Please RESET the board ###\n");
1139 show_boot_progress(-30);
1143 #ifdef CONFIG_MODEM_SUPPORT
1144 /* called from main loop (common/main.c) */
1145 /* 'inline' - We have to do it fast */
1146 static inline void mdm_readline(char *buf
, int bufsiz
)
1157 /* dbg("(%c)", c); */
1169 return; /* sanity check */
1178 extern void dbg(const char *fmt
, ...);
1184 extern char console_buffer
[];
1185 extern void enable_putc(void);
1186 extern int hwflow_onoff(int);
1188 enable_putc(); /* enable serial_putc() */
1190 #ifdef CONFIG_HWFLOW
1191 init_str
= getenv("mdm_flow_control");
1192 if (init_str
&& (strcmp(init_str
, "rts/cts") == 0))
1199 sprintf(env_str
, "mdm_init%d", i
);
1200 if ((init_str
= getenv(env_str
)) != NULL
) {
1201 serial_puts(init_str
);
1204 mdm_readline(console_buffer
, CFG_CBSIZE
);
1205 dbg("ini%d: [%s]", i
, console_buffer
);
1207 if ((strcmp(console_buffer
, "OK") == 0) ||
1208 (strcmp(console_buffer
, "ERROR") == 0)) {
1209 dbg("ini%d: cmd done", i
);
1211 } else /* in case we are originating call ... */
1212 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1213 dbg("ini%d: connect", i
);
1218 break; /* no init string - stop modem init */
1225 /* final stage - wait for connect */
1226 for(;i
> 1;) { /* if 'i' > 1 - wait for connection
1227 message from modem */
1228 mdm_readline(console_buffer
, CFG_CBSIZE
);
1229 dbg("ini_f: [%s]", console_buffer
);
1230 if (strncmp(console_buffer
, "CONNECT", 7) == 0) {
1231 dbg("ini_f: connected");
1241 #if 0 /* We could use plain global data, but the resulting code is bigger */
1243 * Pointer to initial global data area
1245 * Here we initialize it.
1247 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1248 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1249 DECLARE_GLOBAL_DATA_PTR
= (gd_t
*) (CFG_INIT_RAM_ADDR
+ CFG_GBL_DATA_OFFSET
);
1252 /************************************************************************/