/* * (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 CONFIG_SYS_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 CONFIG_SYS_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 *) CONFIG_SYS_LOAD_ADDR; if (!onenand_read_block0(buf)) buf += ONENAND_BLOCK_SIZE; if (buf == (uchar *)CONFIG_SYS_LOAD_ADDR) hang(); /* go run U-Boot and never return */ printf("Starting OS Bootloader...\n"); ((init_fnc_t *)CONFIG_SYS_LOAD_ADDR)(); /* should never come here */ } void hang(void) { /* if board_hang() returns, hange here */ printf("X-Loader hangs\n"); for (;;); }