xref: /OK3568_Linux_fs/u-boot/common/spl/spl_onenand.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2013
3*4882a593Smuzhiyun  * ISEE 2007 SL - Enric Balletbo i Serra <eballetbo@iseebcn.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Based on common/spl/spl_nand.c
6*4882a593Smuzhiyun  * Copyright (C) 2011
7*4882a593Smuzhiyun  * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <config.h>
13*4882a593Smuzhiyun #include <spl.h>
14*4882a593Smuzhiyun #include <asm/io.h>
15*4882a593Smuzhiyun #include <onenand_uboot.h>
16*4882a593Smuzhiyun 
spl_onenand_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)17*4882a593Smuzhiyun static int spl_onenand_load_image(struct spl_image_info *spl_image,
18*4882a593Smuzhiyun 				  struct spl_boot_device *bootdev)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	struct image_header *header;
21*4882a593Smuzhiyun 	int ret;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	debug("spl: onenand\n");
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	/*use CONFIG_SYS_TEXT_BASE as temporary storage area */
26*4882a593Smuzhiyun 	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
27*4882a593Smuzhiyun 	/* Load u-boot */
28*4882a593Smuzhiyun 	onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
29*4882a593Smuzhiyun 		CONFIG_SYS_ONENAND_PAGE_SIZE, (void *)header);
30*4882a593Smuzhiyun 	ret = spl_parse_image_header(spl_image, header);
31*4882a593Smuzhiyun 	if (ret)
32*4882a593Smuzhiyun 		return ret;
33*4882a593Smuzhiyun 	onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
34*4882a593Smuzhiyun 		spl_image->size, (void *)spl_image->load_addr);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun 	return 0;
37*4882a593Smuzhiyun }
38*4882a593Smuzhiyun /* Use priorty 1 so that Ubi can override this */
39*4882a593Smuzhiyun SPL_LOAD_IMAGE_METHOD("OneNAND", 1, BOOT_DEVICE_ONENAND,
40*4882a593Smuzhiyun 		      spl_onenand_load_image);
41