diff options
Diffstat (limited to 'board/vpac270/onenand.c')
| -rw-r--r-- | board/vpac270/onenand.c | 66 | 
1 files changed, 66 insertions, 0 deletions
| diff --git a/board/vpac270/onenand.c b/board/vpac270/onenand.c new file mode 100644 index 000000000..6a0a37bce --- /dev/null +++ b/board/vpac270/onenand.c @@ -0,0 +1,66 @@ +/* + * 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> + +extern void pxa_dram_init(void); + +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(); +	pxa_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 (;;) +		; +} + +void icache_disable(void) {} +void dcache_disable(void) {} |