Signed-off-by: Heiko Schocher <hs@denx.de> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Cc: Sandeep Paulraj <s-paulraj@ti.com> Cc: Scott Wood <scottwood@freescale.com> Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>master
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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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* See file CREDITS for list of people who contributed to this |
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* project. |
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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 <asm/u-boot.h> |
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#include <asm/utils.h> |
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#include <nand.h> |
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#include <asm/arch/dm365_lowlevel.h> |
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#include <ns16550.h> |
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void puts(const char *str) |
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{ |
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while (*str) |
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putc(*str++); |
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} |
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void putc(char c) |
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{ |
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if (c == '\n') |
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NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r'); |
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NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c); |
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} |
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inline void hang(void) |
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{ |
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puts("### ERROR ### Please RESET the board ###\n"); |
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for (;;) |
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; |
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} |
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void board_init_f(ulong dummy) |
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{ |
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dm36x_lowlevel_init(0); |
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relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE); |
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} |
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void board_init_r(gd_t *id, ulong dummy) |
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{ |
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nand_init(); |
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puts("Nand boot...\n"); |
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nand_boot(); |
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} |
@ -0,0 +1,56 @@ |
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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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