diff options
Diffstat (limited to 'common/spl/spl_nor.c')
| -rw-r--r-- | common/spl/spl_nor.c | 62 | 
1 files changed, 62 insertions, 0 deletions
| diff --git a/common/spl/spl_nor.c b/common/spl/spl_nor.c new file mode 100644 index 000000000..976e86510 --- /dev/null +++ b/common/spl/spl_nor.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2012 Stefan Roese <sr@denx.de> + * + * 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. + */ + +#include <common.h> +#include <spl.h> + +void spl_nor_load_image(void) +{ +	/* +	 * Loading of the payload to SDRAM is done with skipping of +	 * the mkimage header in this SPL NOR driver +	 */ +	spl_image.flags |= SPL_COPY_PAYLOAD_ONLY; + +	if (spl_start_uboot()) { +		/* +		 * Load real U-Boot from its location in NOR flash to its +		 * defined location in SDRAM +		 */ +		spl_parse_image_header( +			(const struct image_header *)CONFIG_SYS_UBOOT_BASE); + +		memcpy((void *)spl_image.load_addr, +		       (void *)(CONFIG_SYS_UBOOT_BASE + +				sizeof(struct image_header)), +		       spl_image.size); +	} else { +		/* +		 * Load Linux from its location in NOR flash to its defined +		 * location in SDRAM +		 */ +		spl_parse_image_header( +			(const struct image_header *)CONFIG_SYS_OS_BASE); + +		memcpy((void *)spl_image.load_addr, +		       (void *)(CONFIG_SYS_OS_BASE + +				sizeof(struct image_header)), +		       spl_image.size); + +		/* +		 * Copy DT blob (fdt) to SDRAM. Passing pointer to flash +		 * doesn't work (16 KiB should be enough for DT) +		 */ +		memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR, +		       (void *)(CONFIG_SYS_FDT_BASE), +		       (16 << 10)); +	} +} |