upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/onenand_ipl/onenand_boot.c

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1.8 KiB

/*
* (C) Copyright 2005-2008 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* Derived from x-loader
*
* 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
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* 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 <version.h>
#include "onenand_ipl.h"
#ifdef CFG_PRINTF
int print_info(void)
{
printf(XLOADER_VERSION);
return 0;
}
#endif
typedef int (init_fnc_t)(void);
init_fnc_t *init_sequence[] = {
board_init, /* basic board dependent setup */
#ifdef CFG_PRINTF
serial_init, /* serial communications setup */
print_info,
#endif
NULL,
};
void start_oneboot(void)
{
init_fnc_t **init_fnc_ptr;
uchar *buf;
for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
if ((*init_fnc_ptr)() != 0)
hang();
}
buf = (uchar *) CFG_LOAD_ADDR;
if (!onenand_read_block0(buf))
buf += ONENAND_BLOCK_SIZE;
if (buf == (uchar *)CFG_LOAD_ADDR)
hang();
/* go run U-Boot and never return */
printf("Starting OS Bootloader...\n");
((init_fnc_t *)CFG_LOAD_ADDR)();
/* should never come here */
}
void hang(void)
{
/* if board_hang() returns, hange here */
printf("X-Loader hangs\n");
for (;;);
}