mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-30 22:08:52 +09:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
![]() |
/*
|
||
|
* Copyright (C) 2011
|
||
|
* Heiko Schocher, DENX Software Engineering, hs@denx.de.
|
||
|
*
|
||
|
* 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 <nand.h>
|
||
|
|
||
|
/*
|
||
|
* The main entry for NAND booting. It's necessary that SDRAM is already
|
||
|
* configured and available since this code loads the main U-Boot image
|
||
|
* from NAND into SDRAM and starts it from there.
|
||
|
*/
|
||
|
void nand_boot(void)
|
||
|
{
|
||
|
int ret;
|
||
|
__attribute__((noreturn)) void (*uboot)(void);
|
||
|
|
||
|
/*
|
||
|
* Load U-Boot image from NAND into RAM
|
||
|
*/
|
||
|
ret = nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
|
||
|
CONFIG_SYS_NAND_U_BOOT_SIZE,
|
||
|
(void *)CONFIG_SYS_NAND_U_BOOT_DST);
|
||
|
|
||
|
#ifdef CONFIG_NAND_ENV_DST
|
||
|
ret = nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
|
||
|
(void *)CONFIG_NAND_ENV_DST);
|
||
|
|
||
|
#ifdef CONFIG_ENV_OFFSET_REDUND
|
||
|
ret = nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
|
||
|
(void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
|
||
|
#endif
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* Jump to U-Boot image
|
||
|
*/
|
||
|
uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
|
||
|
(*uboot)();
|
||
|
}
|