/* * Voipac PXA270 OneNAND SPL * * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> * * 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 <config.h> #include <asm/io.h> #include <onenand_uboot.h> #include <asm/arch/pxa.h> void board_init_f(unsigned long unused) { extern uint32_t _end; uint32_t tmp; asm volatile("mov %0, pc" : "=r"(tmp)); tmp >>= 24; /* The code runs from OneNAND RAM, copy SPL to SRAM and execute it. */ if (tmp == 0) { tmp = (uint32_t)&_end - CONFIG_SPL_TEXT_BASE; onenand_spl_load_image(0, tmp, (void *)CONFIG_SPL_TEXT_BASE); asm volatile("mov pc, %0" : : "r"(CONFIG_SPL_TEXT_BASE)); } /* Hereby, the code runs from (S)RAM, copy U-Boot and execute it. */ arch_cpu_init(); pxa2xx_dram_init(); onenand_spl_load_image(CONFIG_SPL_ONENAND_LOAD_ADDR, CONFIG_SPL_ONENAND_LOAD_SIZE, (void *)CONFIG_SYS_TEXT_BASE); asm volatile("mov pc, %0" : : "r"(CONFIG_SYS_TEXT_BASE)); for (;;) ; } void __attribute__((noreturn)) hang(void) { for (;;) ; }