mirror of
https://github.com/AsahiLinux/u-boot
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57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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/*
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* Copyright (C) 2011
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <nand.h>
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/*
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* The main entry for NAND booting. It's necessary that SDRAM is already
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* configured and available since this code loads the main U-Boot image
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* from NAND into SDRAM and starts it from there.
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*/
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void nand_boot(void)
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{
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int ret;
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__attribute__((noreturn)) void (*uboot)(void);
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/*
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* Load U-Boot image from NAND into RAM
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*/
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ret = nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
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CONFIG_SYS_NAND_U_BOOT_SIZE,
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(void *)CONFIG_SYS_NAND_U_BOOT_DST);
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#ifdef CONFIG_NAND_ENV_DST
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ret = nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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(void *)CONFIG_NAND_ENV_DST);
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#ifdef CONFIG_ENV_OFFSET_REDUND
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ret = nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_ENV_SIZE,
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(void *)CONFIG_NAND_ENV_DST + CONFIG_ENV_SIZE);
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#endif
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#endif
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/*
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* Jump to U-Boot image
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*/
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uboot = (void *)CONFIG_SYS_NAND_U_BOOT_START;
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(*uboot)();
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}
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