2 * (C) Copyright 2000-2006
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 CONFIG_SYS_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(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
72 #include <asm/cache.h>
78 #ifdef CONFIG_ADDR_MAP
82 #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
83 extern int update_flash_size (int flash_size);
86 #if defined(CONFIG_SC3)
87 extern void sc3_read_eeprom(void);
90 #if defined(CONFIG_CMD_DOC)
93 #if defined(CONFIG_HARD_I2C) || \
94 defined(CONFIG_SOFT_I2C)
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(CONFIG_ENV_IS_EMBEDDED)
114 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
115 #elif ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \
116 (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \
117 defined(CONFIG_ENV_IS_IN_NVRAM)
118 #define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE)
120 #define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN
123 #if !defined(CONFIG_SYS_MEM_TOP_HIDE)
124 #define CONFIG_SYS_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 = CONFIG_SYS_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);
176 * All attempts to come up with a "common" initialization sequence
177 * that works for all boards and architectures failed: some of the
178 * requirements are just _too_ different. To get rid of the resulting
179 * mess of board dependend #ifdef'ed code we now make the whole
180 * initialization sequence configurable to the user.
182 * The requirements for any new initalization function is simple: it
183 * receives a pointer to the "global data" structure as it's only
184 * argument, and returns an integer return code, where 0 means
185 * "continue" and != 0 means "fatal error, hang the system".
187 typedef int (init_fnc_t) (void);
189 /************************************************************************
191 ************************************************************************
192 * Some of this code should be moved into the core functions,
193 * but let's get it working (again) first...
196 static int init_baudrate (void)
198 char tmp[64]; /* long enough for environment variables */
199 int i = getenv_r ("baudrate", tmp, sizeof (tmp));
201 gd->baudrate = (i > 0)
202 ? (int) simple_strtoul (tmp, NULL, 10)
207 /***********************************************************************/
209 void __board_add_ram_info(int use_default)
211 /* please define platform specific board_add_ram_info() */
213 void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
216 static int init_func_ram (void)
218 #ifdef CONFIG_BOARD_TYPES
219 int board_type = gd->board_type;
221 int board_type = 0; /* use dummy arg */
225 if ((gd->ram_size = initdram (board_type)) > 0) {
226 print_size (gd->ram_size, "");
227 board_add_ram_info(0);
235 /***********************************************************************/
237 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
238 static int init_func_i2c (void)
241 i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
247 #if defined(CONFIG_HARD_SPI)
248 static int init_func_spi (void)
257 /***********************************************************************/
259 #if defined(CONFIG_WATCHDOG)
260 static int init_func_watchdog_init (void)
262 puts (" Watchdog enabled\n");
266 # define INIT_FUNC_WATCHDOG_INIT init_func_watchdog_init,
268 static int init_func_watchdog_reset (void)
273 # define INIT_FUNC_WATCHDOG_RESET init_func_watchdog_reset,
275 # define INIT_FUNC_WATCHDOG_INIT /* undef */
276 # define INIT_FUNC_WATCHDOG_RESET /* undef */
277 #endif /* CONFIG_WATCHDOG */
279 /************************************************************************
280 * Initialization sequence *
281 ************************************************************************
284 init_fnc_t *init_sequence[] = {
286 #if defined(CONFIG_BOARD_EARLY_INIT_F)
290 #if !defined(CONFIG_8xx_CPUCLK_DEFAULT)
291 get_clocks, /* get CPU and bus clocks (etc.) */
292 #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \
293 && !defined(CONFIG_TQM885D)
294 adjust_sdram_tbs_8xx,
298 #ifdef CONFIG_SYS_ALLOC_DPRAM
299 #if !defined(CONFIG_CPM2)
303 #if defined(CONFIG_BOARD_POSTCLK_INIT)
307 #if defined(CONFIG_8xx_CPUCLK_DEFAULT)
308 get_clocks_866, /* get CPU and bus clocks according to the environment variable */
309 sdram_adjust_866, /* adjust sdram refresh rate according to the new clock */
316 #if defined(CONFIG_8260)
319 #endif /* CONFIG_8260 */
320 #if defined(CONFIG_MPC83XX)
324 #if defined(CONFIG_MPC5xxx)
326 #endif /* CONFIG_MPC5xxx */
327 #if defined(CONFIG_MPC8220)
331 INIT_FUNC_WATCHDOG_INIT
332 #if defined(CONFIG_MISC_INIT_F)
335 INIT_FUNC_WATCHDOG_RESET
336 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
339 #if defined(CONFIG_HARD_SPI)
342 #if defined(CONFIG_DTT) /* Digital Thermometers and Thermostats */
348 INIT_FUNC_WATCHDOG_RESET
350 #if defined(CONFIG_SYS_DRAM_TEST)
352 #endif /* CONFIG_SYS_DRAM_TEST */
353 INIT_FUNC_WATCHDOG_RESET
355 NULL, /* Terminate this list */
358 #ifndef CONFIG_MAX_MEM_MAPPED
359 #define CONFIG_MAX_MEM_MAPPED (256 << 20)
361 ulong get_effective_memsize(void)
363 #ifndef CONFIG_VERY_BIG_RAM
366 /* limit stack to what we can reasonable map */
367 return ((gd->ram_size > CONFIG_MAX_MEM_MAPPED) ?
368 CONFIG_MAX_MEM_MAPPED : gd->ram_size);
372 /************************************************************************
374 * This is the first part of the initialization sequence that is
375 * implemented in C, but still running from ROM.
377 * The main purpose is to provide a (serial) console interface as
378 * soon as possible (so we can see any error messages), and to
379 * initialize the RAM so that we can relocate the monitor code to
382 * Be aware of the restrictions: global data is read-only, BSS is not
383 * initialized, and stack space is limited to a few kB.
385 ************************************************************************
388 #ifdef CONFIG_LOGBUFFER
389 unsigned long logbuffer_base(void)
391 return CONFIG_SYS_SDRAM_BASE + get_effective_memsize() - LOGBUFF_LEN;
395 void board_init_f (ulong bootflag)
398 ulong len, addr, addr_sp;
401 init_fnc_t **init_fnc_ptr;
405 uchar tmp[64]; /* long enough for environment variables */
408 /* Pointer is writable since we allocated a register for it */
409 gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
410 /* compiler optimization barrier needed for GCC >= 3.4 */
411 __asm__ __volatile__("": : :"memory");
413 #if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \
414 !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx)
415 /* Clear initial global data */
416 memset ((void *) gd, 0, sizeof (gd_t));
419 for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
420 if ((*init_fnc_ptr) () != 0) {
426 * Now that we have DRAM mapped and working, we can
427 * relocate the code and continue running from DRAM.
429 * Reserve memory at end of RAM for (top down in that order):
430 * - area that won't get touched by U-Boot and Linux (optional)
431 * - kernel log buffer
435 * - board info struct
437 len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE;
440 * Subtract specified amount of memory to hide so that it won't
441 * get "touched" at all by U-Boot. By fixing up gd->ram_size
442 * the Linux kernel should now get passed the now "corrected"
443 * memory size and won't touch it either. This should work
444 * for arch/ppc and arch/powerpc. Only Linux board ports in
445 * arch/powerpc with bootwrapper support, that recalculate the
446 * memory size from the SDRAM controller setup will have to
449 gd->ram_size -= CONFIG_SYS_MEM_TOP_HIDE;
451 addr = CONFIG_SYS_SDRAM_BASE + get_effective_memsize();
453 #ifdef CONFIG_LOGBUFFER
454 #ifndef CONFIG_ALT_LB_ADDR
455 /* reserve kernel log buffer */
456 addr -= (LOGBUFF_RESERVE);
457 debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr);
463 * reserve protected RAM
465 i = getenv_r ("pram", (char *)tmp, sizeof (tmp));
466 reg = (i > 0) ? simple_strtoul ((const char *)tmp, NULL, 10) : CONFIG_PRAM;
467 addr -= (reg << 10); /* size is in kB */
468 debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr);
469 #endif /* CONFIG_PRAM */
471 /* round down to next 4 kB limit */
473 debug ("Top of RAM usable for U-Boot at: %08lx\n", addr);
476 /* reserve memory for LCD display (always full pages) */
477 addr = lcd_setmem (addr);
479 #endif /* CONFIG_LCD */
481 #if defined(CONFIG_VIDEO) && defined(CONFIG_8xx)
482 /* reserve memory for video display (always full pages) */
483 addr = video_setmem (addr);
485 #endif /* CONFIG_VIDEO */
488 * reserve memory for U-Boot code, data & bss
489 * round down to next 4 kB limit
494 /* round down to next 64 kB limit so that IVPR stays aligned */
495 addr &= ~(65536 - 1);
498 debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr);
500 #ifdef CONFIG_AMIGAONEG3SE
501 gd->relocaddr = addr;
505 * reserve memory for malloc() arena
507 addr_sp = addr - TOTAL_MALLOC_LEN;
508 debug ("Reserving %dk for malloc() at: %08lx\n",
509 TOTAL_MALLOC_LEN >> 10, addr_sp);
512 * (permanently) allocate a Board Info struct
513 * and a permanent copy of the "global" data
515 addr_sp -= sizeof (bd_t);
516 bd = (bd_t *) addr_sp;
518 debug ("Reserving %zu Bytes for Board Info at: %08lx\n",
519 sizeof (bd_t), addr_sp);
520 addr_sp -= sizeof (gd_t);
521 id = (gd_t *) addr_sp;
522 debug ("Reserving %zu Bytes for Global Data at: %08lx\n",
523 sizeof (gd_t), addr_sp);
526 * Finally, we set up a new (bigger) stack.
528 * Leave some safety gap for SP, force alignment on 16 byte boundary
529 * Clear initial stack frame
533 s = (ulong *)addr_sp;
537 debug ("Stack Pointer at: %08lx\n", addr_sp);
540 * Save local variables to board info struct
543 bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */
544 bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */
547 bd->bi_sramstart = SRAM_BASE; /* start of SRAM memory */
548 bd->bi_sramsize = SRAM_SIZE; /* size of SRAM memory */
549 #elif defined CONFIG_MPC8220
550 bd->bi_sramstart = CONFIG_SYS_SRAM_BASE; /* start of SRAM memory */
551 bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE; /* size of SRAM memory */
553 bd->bi_sramstart = 0; /* FIXME */ /* start of SRAM memory */
554 bd->bi_sramsize = 0; /* FIXME */ /* size of SRAM memory */
557 #if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
558 defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
559 bd->bi_immr_base = CONFIG_SYS_IMMR; /* base of IMMR register */
561 #if defined(CONFIG_MPC5xxx)
562 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
564 #if defined(CONFIG_MPC83XX)
565 bd->bi_immrbar = CONFIG_SYS_IMMR;
567 #if defined(CONFIG_MPC8220)
568 bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */
569 bd->bi_inpfreq = gd->inp_clk;
570 bd->bi_pcifreq = gd->pci_clk;
571 bd->bi_vcofreq = gd->vco_clk;
572 bd->bi_pevfreq = gd->pev_clk;
573 bd->bi_flbfreq = gd->flb_clk;
575 /* store bootparam to sram (backward compatible), here? */
577 u32 *sram = (u32 *)CONFIG_SYS_SRAM_BASE;
578 *sram++ = gd->ram_size;
579 *sram++ = gd->bus_clk;
580 *sram++ = gd->inp_clk;
581 *sram++ = gd->cpu_clk;
582 *sram++ = gd->vco_clk;
583 *sram++ = gd->flb_clk;
584 *sram++ = 0xb8c3ba11; /* boot signature */
588 bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */
591 bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */
592 bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */
593 #if defined(CONFIG_CPM2)
594 bd->bi_cpmfreq = gd->cpm_clk;
595 bd->bi_brgfreq = gd->brg_clk;
596 bd->bi_sccfreq = gd->scc_clk;
597 bd->bi_vco = gd->vco_out;
598 #endif /* CONFIG_CPM2 */
599 #if defined(CONFIG_MPC512X)
600 bd->bi_ipsfreq = gd->ips_clk;
601 #endif /* CONFIG_MPC512X */
602 #if defined(CONFIG_MPC5xxx)
603 bd->bi_ipbfreq = gd->ipb_clk;
604 bd->bi_pcifreq = gd->pci_clk;
605 #endif /* CONFIG_MPC5xxx */
606 bd->bi_baudrate = gd->baudrate; /* Console Baudrate */
608 #ifdef CONFIG_SYS_EXTBDINFO
609 strncpy ((char *)bd->bi_s_version, "1.2", sizeof (bd->bi_s_version));
610 strncpy ((char *)bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version));
612 bd->bi_procfreq = gd->cpu_clk; /* Processor Speed, In Hz */
613 bd->bi_plb_busfreq = gd->bus_clk;
614 #if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
615 defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
616 defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
617 bd->bi_pci_busfreq = get_PCI_freq ();
618 bd->bi_opbfreq = get_OPB_freq ();
619 #elif defined(CONFIG_XILINX_405)
620 bd->bi_pci_busfreq = get_PCI_freq ();
624 debug ("New Stack Pointer is: %08lx\n", addr_sp);
629 post_bootmode_init();
630 post_run (NULL, POST_ROM | post_bootmode_get(0));
635 memcpy (id, (void *)gd, sizeof (gd_t));
637 relocate_code (addr_sp, id, addr);
639 /* NOTREACHED - relocate_code() does not return */
642 int __is_sata_supported(void)
644 /* For some boards, when sata disabled by the switch, and the
645 * driver still access the sata registers, the cpu will hangup.
646 * please define platform specific is_sata_supported() if your
647 * board have such issue.*/
650 int is_sata_supported(void) __attribute__((weak, alias("__is_sata_supported")));
652 /************************************************************************
654 * This is the next part if the initialization sequence: we are now
655 * running from RAM and have a "normal" C environment, i. e. global
656 * data can be written, BSS has been cleared, the stack size in not
657 * that critical any more, etc.
659 ************************************************************************
661 void board_init_r (gd_t *id, ulong dest_addr)
667 extern void malloc_bin_reloc (void);
668 #ifndef CONFIG_ENV_IS_NOWHERE
669 extern char * env_name_spec;
672 #ifndef CONFIG_SYS_NO_FLASH
676 gd = id; /* initialize RAM version of global data */
679 gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
681 #if defined(CONFIG_RELOC_FIXUP_WORKS)
683 mem_malloc_end = dest_addr;
685 gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE;
688 #ifdef CONFIG_SERIAL_MULTI
692 debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr);
697 * Setup trap handlers
699 trap_init (dest_addr);
701 #if defined(CONFIG_ADDR_MAP) && defined(CONFIG_E500)
705 #if defined(CONFIG_BOARD_EARLY_INIT_R)
706 board_early_init_r ();
709 monitor_flash_len = (ulong)&__init_end - dest_addr;
712 * We have to relocate the command table manually
714 for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) {
716 addr = (ulong) (cmdtp->cmd) + gd->reloc_off;
718 printf ("Command \"%s\": 0x%08lx => 0x%08lx\n",
719 cmdtp->name, (ulong) (cmdtp->cmd), addr);
722 (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr;
724 addr = (ulong)(cmdtp->name) + gd->reloc_off;
725 cmdtp->name = (char *)addr;
728 addr = (ulong)(cmdtp->usage) + gd->reloc_off;
729 cmdtp->usage = (char *)addr;
731 #ifdef CONFIG_SYS_LONGHELP
733 addr = (ulong)(cmdtp->help) + gd->reloc_off;
734 cmdtp->help = (char *)addr;
738 /* there are some other pointer constants we must deal with */
739 #ifndef CONFIG_ENV_IS_NOWHERE
740 env_name_spec += gd->reloc_off;
745 #ifdef CONFIG_LOGBUFFER
746 logbuff_init_ptrs ();
749 post_output_backlog ();
755 #if defined(CONFIG_IP860) || defined(CONFIG_PCU_E) || \
756 defined (CONFIG_FLAGADM) || defined(CONFIG_MPC83XX)
757 icache_enable (); /* it's time to enable the instruction cache */
760 #if defined(CONFIG_SYS_INIT_RAM_LOCK) && defined(CONFIG_E500)
761 unlock_ram_in_cache(); /* it's time to unlock D-cache in e500 */
764 #if defined(CONFIG_BAB7xx) || defined(CONFIG_CPC45)
766 * Do PCI configuration on BAB7xx and CPC45 _before_ the flash
767 * gets initialised, because we need the ISA resp. PCI_to_LOCAL bus
772 #if defined(CONFIG_BAB7xx)
774 * Initialise the ISA bridge
776 initialise_w83c553f ();
779 asm ("sync ; isync");
781 #if !defined(CONFIG_SYS_NO_FLASH)
784 if ((flash_size = flash_init ()) > 0) {
785 # ifdef CONFIG_SYS_FLASH_CHECKSUM
786 print_size (flash_size, "");
788 * Compute and print flash CRC if flashchecksum is set to 'y'
790 * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
792 s = getenv ("flashchecksum");
793 if (s && (*s == 'y')) {
794 printf (" CRC: %08X",
795 crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
799 # else /* !CONFIG_SYS_FLASH_CHECKSUM */
800 print_size (flash_size, "\n");
801 # endif /* CONFIG_SYS_FLASH_CHECKSUM */
807 bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */
808 bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */
810 #if defined(CONFIG_SYS_UPDATE_FLASH_SIZE)
811 /* Make a update of the Memctrl. */
812 update_flash_size (flash_size);
816 # if defined(CONFIG_PCU_E) || defined(CONFIG_OXC) || defined(CONFIG_RMU)
817 /* flash mapped at end of memory map */
818 bd->bi_flashoffset = TEXT_BASE + flash_size;
819 # elif CONFIG_SYS_MONITOR_BASE == CONFIG_SYS_FLASH_BASE
820 bd->bi_flashoffset = monitor_flash_len; /* reserved area for startup monitor */
822 bd->bi_flashoffset = 0;
824 #else /* CONFIG_SYS_NO_FLASH */
826 bd->bi_flashsize = 0;
827 bd->bi_flashstart = 0;
828 bd->bi_flashoffset = 0;
829 #endif /* !CONFIG_SYS_NO_FLASH */
833 /* initialize higher level parts of CPU like time base and timers */
838 /* initialize malloc() area */
843 # if !defined(CONFIG_ENV_IS_IN_EEPROM)
849 #if defined(CONFIG_CMD_NAND)
852 nand_init(); /* go init the NAND */
855 /* relocate environment function pointers etc. */
859 * Fill in missing fields of bd_info.
860 * We do this here, where we have "normal" access to the
861 * environment; we used to do this still running from ROM,
862 * where had to use getenv_r(), which can be pretty slow when
863 * the environment is in EEPROM.
866 #if defined(CONFIG_SYS_EXTBDINFO)
867 #if defined(CONFIG_405GP) || defined(CONFIG_405EP)
868 #if defined(CONFIG_I2CFAST)
870 * set bi_iic_fast for linux taking environment variable
871 * "i2cfast" into account
874 char *s = getenv ("i2cfast");
875 if (s && ((*s == 'y') || (*s == 'Y'))) {
876 bd->bi_iic_fast[0] = 1;
877 bd->bi_iic_fast[1] = 1;
879 bd->bi_iic_fast[0] = 0;
880 bd->bi_iic_fast[1] = 0;
884 bd->bi_iic_fast[0] = 0;
885 bd->bi_iic_fast[1] = 0;
886 #endif /* CONFIG_I2CFAST */
887 #endif /* CONFIG_405GP, CONFIG_405EP */
888 #endif /* CONFIG_SYS_EXTBDINFO */
890 #if defined(CONFIG_SC3)
894 #if defined (CONFIG_ID_EEPROM) || defined (CONFIG_SYS_I2C_MAC_OFFSET)
895 mac_read_from_eeprom();
898 s = getenv ("ethaddr");
899 #if defined (CONFIG_MBX) || \
900 defined (CONFIG_RPXCLASSIC) || \
901 defined(CONFIG_IAD210) || \
904 board_get_enetaddr (bd->bi_enetaddr);
907 for (i = 0; i < 6; ++i) {
908 bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
910 s = (*e) ? e + 1 : e;
913 if ((gd->board_type >> 16) == 2)
914 bd->bi_ethspeed = gd->board_type & 0xFFFF;
916 bd->bi_ethspeed = 0xFFFF;
920 load_sernum_ethaddr ();
923 #ifdef CONFIG_HAS_ETH1
924 /* handle the 2nd ethernet address */
926 s = getenv ("eth1addr");
928 for (i = 0; i < 6; ++i) {
929 bd->bi_enet1addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
931 s = (*e) ? e + 1 : e;
934 #ifdef CONFIG_HAS_ETH2
935 /* handle the 3rd ethernet address */
937 s = getenv ("eth2addr");
938 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
940 board_get_enetaddr(bd->bi_enet2addr);
943 for (i = 0; i < 6; ++i) {
944 bd->bi_enet2addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
946 s = (*e) ? e + 1 : e;
950 #ifdef CONFIG_HAS_ETH3
951 /* handle 4th ethernet address */
952 s = getenv("eth3addr");
953 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
955 board_get_enetaddr(bd->bi_enet3addr);
958 for (i = 0; i < 6; ++i) {
959 bd->bi_enet3addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
961 s = (*e) ? e + 1 : e;
965 #ifdef CONFIG_HAS_ETH4
966 /* handle 5th ethernet address */
967 s = getenv("eth4addr");
968 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
970 board_get_enetaddr(bd->bi_enet4addr);
973 for (i = 0; i < 6; ++i) {
974 bd->bi_enet4addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
976 s = (*e) ? e + 1 : e;
980 #ifdef CONFIG_HAS_ETH5
981 /* handle 6th ethernet address */
982 s = getenv("eth5addr");
983 #if defined(CONFIG_XPEDITE1K) || defined(CONFIG_METROBOX) || defined(CONFIG_KAREF)
985 board_get_enetaddr(bd->bi_enet5addr);
988 for (i = 0; i < 6; ++i) {
989 bd->bi_enet5addr[i] = s ? simple_strtoul (s, &e, 16) : 0;
991 s = (*e) ? e + 1 : e;
995 #if defined(CONFIG_TQM8xxL) || defined(CONFIG_TQM8260) || \
996 defined(CONFIG_TQM8272) || \
997 defined(CONFIG_CCM) || defined(CONFIG_KUP4K) || \
998 defined(CONFIG_KUP4X) || defined(CONFIG_PCS440EP)
999 load_sernum_ethaddr ();
1002 bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
1006 #if defined(CONFIG_PCI) && !defined(CONFIG_BAB7xx) && !defined(CONFIG_CPC45)
1008 * Do pci configuration
1013 /** leave this here (after malloc(), environment and PCI are working) **/
1014 /* Initialize devices */
1017 /* Initialize the jump table for applications */
1020 #if defined(CONFIG_API)
1021 /* Initialize API */
1025 /* Initialize the console (after the relocation and devices init) */
1028 #if defined(CONFIG_CCM) || \
1029 defined(CONFIG_COGENT) || \
1030 defined(CONFIG_CPCI405) || \
1031 defined(CONFIG_EVB64260) || \
1032 defined(CONFIG_KUP4K) || \
1033 defined(CONFIG_KUP4X) || \
1034 defined(CONFIG_LWMON) || \
1035 defined(CONFIG_PCU_E) || \
1036 defined(CONFIG_SC3) || \
1037 defined(CONFIG_W7O) || \
1038 defined(CONFIG_MISC_INIT_R)
1039 /* miscellaneous platform dependent initialisations */
1043 #ifdef CONFIG_HERMES
1044 if (bd->bi_ethspeed != 0xFFFF)
1045 hermes_start_lxt980 ((int) bd->bi_ethspeed);
1048 #if defined(CONFIG_CMD_KGDB)
1054 debug ("U-Boot relocated to %08lx\n", dest_addr);
1061 /* Must happen after interrupts are initialized since
1062 * an irq handler gets installed
1064 #ifdef CONFIG_SERIAL_SOFTWARE_FIFO
1065 serial_buffered_init();
1068 #if defined(CONFIG_STATUS_LED) && defined(STATUS_LED_BOOT)
1069 status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING);
1076 /* Initialize from environment */
1077 if ((s = getenv ("loadaddr")) != NULL) {
1078 load_addr = simple_strtoul (s, NULL, 16);
1080 #if defined(CONFIG_CMD_NET)
1081 if ((s = getenv ("bootfile")) != NULL) {
1082 copy_filename (BootFile, s, sizeof (BootFile));
1088 #if defined(CONFIG_CMD_SCSI)
1094 #if defined(CONFIG_CMD_DOC)
1100 #if defined(CONFIG_CMD_NET)
1101 #if defined(CONFIG_NET_MULTI)
1105 eth_initialize (bd);
1108 #if defined(CONFIG_CMD_NET) && ( \
1109 defined(CONFIG_CCM) || \
1110 defined(CONFIG_ELPT860) || \
1111 defined(CONFIG_EP8260) || \
1112 defined(CONFIG_IP860) || \
1113 defined(CONFIG_IVML24) || \
1114 defined(CONFIG_IVMS8) || \
1115 defined(CONFIG_MPC8260ADS) || \
1116 defined(CONFIG_MPC8266ADS) || \
1117 defined(CONFIG_MPC8560ADS) || \
1118 defined(CONFIG_PCU_E) || \
1119 defined(CONFIG_RPXSUPER) || \
1120 defined(CONFIG_STXGP3) || \
1121 defined(CONFIG_SPD823TS) || \
1122 defined(CONFIG_RESET_PHY_R) )
1125 debug ("Reset Ethernet PHY\n");
1130 post_run (NULL, POST_RAM | post_bootmode_get(0));
1133 #if defined(CONFIG_CMD_PCMCIA) \
1134 && !defined(CONFIG_CMD_IDE)
1140 #if defined(CONFIG_CMD_IDE)
1142 # ifdef CONFIG_IDE_8xx_PCCARD
1147 #if defined(CONFIG_START_IDE)
1148 if (board_start_ide())
1155 #if defined(CONFIG_CMD_SATA)
1156 if (is_sata_supported()) {
1162 #ifdef CONFIG_LAST_STAGE_INIT
1165 * Some parts can be only initialized if all others (like
1166 * Interrupts) are up and running (i.e. the PC-style ISA
1172 #if defined(CONFIG_CMD_BEDBUG)
1177 #if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER)
1179 * Export available size of memory for Linux,
1180 * taking into account the protected RAM at top of memory
1188 if ((s = getenv ("pram")) != NULL) {
1189 pram = simple_strtoul (s, NULL, 10);
1196 #ifdef CONFIG_LOGBUFFER
1197 #ifndef CONFIG_ALT_LB_ADDR
1198 /* Also take the logbuffer into account (pram is in kB) */
1199 pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024;
1202 sprintf ((char *)memsz, "%ldk", (bd->bi_memsize / 1024) - pram);
1203 setenv ("mem", (char *)memsz);
1207 #ifdef CONFIG_PS2KBD
1212 #ifdef CONFIG_MODEM_SUPPORT
1214 extern int do_mdm_init;
1215 do_mdm_init = gd->do_mdm_init;
1219 /* Initialization complete - start the monitor */
1221 /* main_loop() can return to retry autoboot, if so just run it again. */
1227 /* NOTREACHED - no way out of command loop except booting */
1232 puts ("### ERROR ### Please RESET the board ###\n");
1233 show_boot_progress(-30);
1237 #ifdef CONFIG_MODEM_SUPPORT
1238 /* called from main loop (common/main.c) */
1239 /* 'inline' - We have to do it fast */
1240 static inline void mdm_readline(char *buf, int bufsiz)
1251 /* dbg("(%c)", c); */
1263 return; /* sanity check */
1272 extern void dbg(const char *fmt, ...);
1278 extern char console_buffer[];
1279 extern void enable_putc(void);
1280 extern int hwflow_onoff(int);
1282 enable_putc(); /* enable serial_putc() */
1284 #ifdef CONFIG_HWFLOW
1285 init_str = getenv("mdm_flow_control");
1286 if (init_str && (strcmp(init_str, "rts/cts") == 0))
1293 sprintf(env_str, "mdm_init%d", i);
1294 if ((init_str = getenv(env_str)) != NULL) {
1295 serial_puts(init_str);
1298 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1299 dbg("ini%d: [%s]", i, console_buffer);
1301 if ((strcmp(console_buffer, "OK") == 0) ||
1302 (strcmp(console_buffer, "ERROR") == 0)) {
1303 dbg("ini%d: cmd done", i);
1305 } else /* in case we are originating call ... */
1306 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1307 dbg("ini%d: connect", i);
1312 break; /* no init string - stop modem init */
1319 /* final stage - wait for connect */
1320 for(;i > 1;) { /* if 'i' > 1 - wait for connection
1321 message from modem */
1322 mdm_readline(console_buffer, CONFIG_SYS_CBSIZE);
1323 dbg("ini_f: [%s]", console_buffer);
1324 if (strncmp(console_buffer, "CONNECT", 7) == 0) {
1325 dbg("ini_f: connected");
1335 #if 0 /* We could use plain global data, but the resulting code is bigger */
1337 * Pointer to initial global data area
1339 * Here we initialize it.
1341 #undef XTRN_DECLARE_GLOBAL_DATA_PTR
1342 #define XTRN_DECLARE_GLOBAL_DATA_PTR /* empty = allocate here */
1343 DECLARE_GLOBAL_DATA_PTR = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
1346 /************************************************************************/