2004-04-18 21:13:41 +00:00
|
|
|
/*
|
2007-03-11 12:48:24 +00:00
|
|
|
* (C) Copyright 2007 Michal Simek
|
2004-04-18 21:13:41 +00:00
|
|
|
* (C) Copyright 2004 Atmark Techno, Inc.
|
|
|
|
*
|
2007-03-11 12:48:24 +00:00
|
|
|
* Michal SIMEK <monstr@monstr.eu>
|
2004-04-18 21:13:41 +00:00
|
|
|
* Yasushi SHOJI <yashi@atmark-techno.com>
|
|
|
|
*
|
|
|
|
* See file CREDITS for list of people who contributed to this
|
|
|
|
* project.
|
|
|
|
*
|
|
|
|
* This program is free software; you can redistribute it and/or
|
|
|
|
* modify it under the terms of the GNU General Public License as
|
|
|
|
* published by the Free Software Foundation; either version 2 of
|
|
|
|
* the License, or (at your option) any later version.
|
|
|
|
*
|
|
|
|
* This program is distributed in the hope that it will be useful,
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
2007-03-11 12:48:24 +00:00
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
2004-04-18 21:13:41 +00:00
|
|
|
* GNU General Public License for more details.
|
|
|
|
*
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
|
|
* MA 02111-1307 USA
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <common.h>
|
|
|
|
#include <command.h>
|
|
|
|
#include <malloc.h>
|
|
|
|
#include <version.h>
|
2004-04-18 21:45:42 +00:00
|
|
|
#include <watchdog.h>
|
2010-04-16 09:57:35 +00:00
|
|
|
#include <stdio_dev.h>
|
2012-07-02 08:31:29 +00:00
|
|
|
#include <serial.h>
|
2010-08-02 12:42:09 +00:00
|
|
|
#include <net.h>
|
2012-06-29 08:29:46 +00:00
|
|
|
#include <linux/compiler.h>
|
2011-07-21 09:01:58 +00:00
|
|
|
#include <asm/processor.h>
|
2012-07-10 08:31:31 +00:00
|
|
|
#include <asm/microblaze_intc.h>
|
2012-06-28 12:34:32 +00:00
|
|
|
#include <fdtdec.h>
|
2004-04-18 21:13:41 +00:00
|
|
|
|
2006-03-31 16:32:53 +00:00
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
|
2004-04-18 21:13:41 +00:00
|
|
|
/*
|
|
|
|
* All attempts to come up with a "common" initialization sequence
|
|
|
|
* that works for all boards and architectures failed: some of the
|
|
|
|
* requirements are just _too_ different. To get rid of the resulting
|
|
|
|
* mess of board dependend #ifdef'ed code we now make the whole
|
|
|
|
* initialization sequence configurable to the user.
|
|
|
|
*
|
|
|
|
* The requirements for any new initalization function is simple: it
|
|
|
|
* receives a pointer to the "global data" structure as it's only
|
|
|
|
* argument, and returns an integer return code, where 0 means
|
|
|
|
* "continue" and != 0 means "fatal error, hang the system".
|
|
|
|
*/
|
|
|
|
typedef int (init_fnc_t) (void);
|
|
|
|
|
|
|
|
init_fnc_t *init_sequence[] = {
|
2007-03-11 12:48:24 +00:00
|
|
|
env_init,
|
2012-06-28 12:34:32 +00:00
|
|
|
#ifdef CONFIG_OF_CONTROL
|
|
|
|
fdtdec_check_fdt,
|
|
|
|
#endif
|
2007-03-11 12:48:24 +00:00
|
|
|
serial_init,
|
2011-07-21 07:52:25 +00:00
|
|
|
console_init_f,
|
2007-03-11 12:48:24 +00:00
|
|
|
interrupts_init,
|
2010-04-16 09:37:41 +00:00
|
|
|
timer_init,
|
2004-04-18 21:13:41 +00:00
|
|
|
NULL,
|
|
|
|
};
|
|
|
|
|
2011-07-21 09:01:58 +00:00
|
|
|
unsigned long monitor_flash_len;
|
|
|
|
|
2012-07-04 11:12:37 +00:00
|
|
|
void board_init_f(ulong not_used)
|
2004-04-18 21:45:42 +00:00
|
|
|
{
|
2004-07-10 23:48:41 +00:00
|
|
|
bd_t *bd;
|
2004-04-18 21:45:42 +00:00
|
|
|
init_fnc_t **init_fnc_ptr;
|
2010-12-21 08:32:44 +00:00
|
|
|
gd = (gd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET);
|
|
|
|
bd = (bd_t *) (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET \
|
|
|
|
- GENERATED_BD_INFO_SIZE);
|
2012-06-29 08:29:46 +00:00
|
|
|
__maybe_unused char *s;
|
2007-07-09 23:02:11 +00:00
|
|
|
#if defined(CONFIG_CMD_FLASH)
|
2007-03-11 12:48:24 +00:00
|
|
|
ulong flash_size = 0;
|
|
|
|
#endif
|
|
|
|
asm ("nop"); /* FIXME gd is not initialize - wait */
|
2010-10-26 12:34:52 +00:00
|
|
|
memset ((void *)gd, 0, GENERATED_GBL_DATA_SIZE);
|
2010-12-21 08:32:44 +00:00
|
|
|
memset ((void *)bd, 0, GENERATED_BD_INFO_SIZE);
|
|
|
|
gd->bd = bd;
|
2004-07-10 23:48:41 +00:00
|
|
|
gd->baudrate = CONFIG_BAUDRATE;
|
|
|
|
bd->bi_baudrate = CONFIG_BAUDRATE;
|
2008-10-16 13:01:15 +00:00
|
|
|
bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
|
|
|
|
bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
|
2008-11-24 10:38:22 +00:00
|
|
|
gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
|
2007-03-11 12:48:24 +00:00
|
|
|
|
2011-07-21 09:01:58 +00:00
|
|
|
monitor_flash_len = __end - __text_start;
|
|
|
|
|
2012-06-28 12:34:32 +00:00
|
|
|
#ifdef CONFIG_OF_EMBED
|
|
|
|
/* Get a pointer to the FDT */
|
|
|
|
gd->fdt_blob = _binary_dt_dtb_start;
|
|
|
|
#elif defined CONFIG_OF_SEPARATE
|
|
|
|
/* FDT is at end of image */
|
|
|
|
gd->fdt_blob = (void *)__end;
|
|
|
|
#endif
|
|
|
|
/* Allow the early environment to override the fdt address */
|
|
|
|
gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
|
|
|
|
(uintptr_t)gd->fdt_blob);
|
|
|
|
|
2009-08-22 04:05:21 +00:00
|
|
|
/*
|
|
|
|
* The Malloc area is immediately below the monitor copy in DRAM
|
|
|
|
* aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
|
|
|
|
* as our monitory code is run from SDRAM
|
|
|
|
*/
|
2009-08-22 04:05:20 +00:00
|
|
|
mem_malloc_init (CONFIG_SYS_MALLOC_BASE, CONFIG_SYS_MALLOC_LEN);
|
2004-07-10 23:48:41 +00:00
|
|
|
|
2012-07-02 08:31:29 +00:00
|
|
|
#ifdef CONFIG_SERIAL_MULTI
|
|
|
|
serial_initialize();
|
|
|
|
#endif
|
|
|
|
|
2004-04-18 21:45:42 +00:00
|
|
|
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
if ((*init_fnc_ptr) () != 0) {
|
|
|
|
hang ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-06-28 12:34:32 +00:00
|
|
|
#ifdef CONFIG_OF_CONTROL
|
|
|
|
/* For now, put this check after the console is ready */
|
|
|
|
if (fdtdec_prepare_fdt()) {
|
|
|
|
panic("** CONFIG_OF_CONTROL defined but no FDT - please see "
|
|
|
|
"doc/README.fdt-control");
|
|
|
|
} else
|
|
|
|
printf("DTB: 0x%x\n", (u32)gd->fdt_blob);
|
|
|
|
#endif
|
|
|
|
|
2009-01-05 12:28:40 +00:00
|
|
|
puts ("SDRAM :\n");
|
2010-04-16 09:55:01 +00:00
|
|
|
printf ("\t\tIcache:%s\n", icache_status() ? "ON" : "OFF");
|
|
|
|
printf ("\t\tDcache:%s\n", dcache_status() ? "ON" : "OFF");
|
2010-10-07 19:51:12 +00:00
|
|
|
printf ("\tU-Boot Start:0x%08x\n", CONFIG_SYS_TEXT_BASE);
|
2009-01-05 12:28:40 +00:00
|
|
|
|
2007-07-09 23:02:11 +00:00
|
|
|
#if defined(CONFIG_CMD_FLASH)
|
2010-12-29 00:12:05 +00:00
|
|
|
puts ("Flash: ");
|
2008-10-16 13:01:15 +00:00
|
|
|
bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
|
2012-07-10 08:21:25 +00:00
|
|
|
flash_size = flash_init();
|
|
|
|
if (bd->bi_flashstart && flash_size > 0) {
|
2009-01-05 12:28:40 +00:00
|
|
|
# ifdef CONFIG_SYS_FLASH_CHECKSUM
|
|
|
|
print_size (flash_size, "");
|
|
|
|
/*
|
|
|
|
* Compute and print flash CRC if flashchecksum is set to 'y'
|
|
|
|
*
|
|
|
|
* NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
|
|
|
|
*/
|
|
|
|
s = getenv ("flashchecksum");
|
|
|
|
if (s && (*s == 'y')) {
|
|
|
|
printf (" CRC: %08X",
|
2012-07-10 08:21:25 +00:00
|
|
|
crc32(0, (const u8 *)bd->bi_flashstart,
|
|
|
|
flash_size)
|
2009-01-05 12:28:40 +00:00
|
|
|
);
|
|
|
|
}
|
|
|
|
putc ('\n');
|
|
|
|
# else /* !CONFIG_SYS_FLASH_CHECKSUM */
|
|
|
|
print_size (flash_size, "\n");
|
|
|
|
# endif /* CONFIG_SYS_FLASH_CHECKSUM */
|
2012-07-10 08:21:25 +00:00
|
|
|
bd->bi_flashsize = flash_size;
|
|
|
|
bd->bi_flashoffset = bd->bi_flashstart + flash_size;
|
2007-03-11 12:48:24 +00:00
|
|
|
} else {
|
|
|
|
puts ("Flash init FAILED");
|
|
|
|
bd->bi_flashstart = 0;
|
|
|
|
bd->bi_flashsize = 0;
|
|
|
|
bd->bi_flashoffset = 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2010-04-16 09:57:35 +00:00
|
|
|
/* relocate environment function pointers etc. */
|
|
|
|
env_relocate ();
|
|
|
|
|
|
|
|
/* Initialize stdio devices */
|
|
|
|
stdio_init ();
|
|
|
|
|
2011-07-21 08:30:42 +00:00
|
|
|
/* Initialize the jump table for applications */
|
|
|
|
jumptable_init();
|
|
|
|
|
|
|
|
/* Initialize the console (after the relocation and devices init) */
|
|
|
|
console_init_r();
|
|
|
|
|
2012-07-04 11:12:37 +00:00
|
|
|
board_init();
|
|
|
|
|
2011-10-13 14:43:10 +00:00
|
|
|
/* Initialize from environment */
|
|
|
|
load_addr = getenv_ulong("loadaddr", 16, load_addr);
|
2010-04-16 09:57:35 +00:00
|
|
|
|
2007-07-09 23:02:11 +00:00
|
|
|
#if defined(CONFIG_CMD_NET)
|
2010-08-02 12:42:09 +00:00
|
|
|
printf("Net: ");
|
|
|
|
eth_initialize(gd->bd);
|
|
|
|
|
|
|
|
uchar enetaddr[6];
|
|
|
|
eth_getenv_enetaddr("ethaddr", enetaddr);
|
|
|
|
printf("MAC: %pM\n", enetaddr);
|
2007-03-11 12:48:24 +00:00
|
|
|
#endif
|
|
|
|
|
2004-04-18 21:45:42 +00:00
|
|
|
/* main_loop */
|
|
|
|
for (;;) {
|
|
|
|
WATCHDOG_RESET ();
|
|
|
|
main_loop ();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-04-18 21:13:41 +00:00
|
|
|
void hang (void)
|
|
|
|
{
|
|
|
|
puts ("### ERROR ### Please RESET the board ###\n");
|
2007-03-11 12:48:24 +00:00
|
|
|
for (;;) ;
|
2004-04-18 21:13:41 +00:00
|
|
|
}
|