3 * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/u-boot.h>
26 #include <asm/utils.h>
31 void spl_nand_load_image(void)
33 struct image_header *header;
34 int *src __attribute__((unused));
35 int *dst __attribute__((unused));
37 debug("spl: nand - using hw ecc\n");
40 /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
41 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
42 #ifdef CONFIG_SPL_OS_BOOT
43 if (!spl_start_uboot()) {
45 * load parameter image
46 * load to temp position since nand_spl_load_image reads
47 * a whole block which is typically larger than
48 * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
49 * following sections like BSS
51 nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS,
52 CONFIG_CMD_SPL_WRITE_SIZE,
53 (void *)CONFIG_SYS_TEXT_BASE);
54 /* copy to destintion */
55 for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR,
56 src = (int *)CONFIG_SYS_TEXT_BASE;
57 src < (int *)(CONFIG_SYS_TEXT_BASE +
58 CONFIG_CMD_SPL_WRITE_SIZE);
60 writel(readl(src), dst);
64 nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
65 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
66 spl_parse_image_header(header);
67 if (header->ih_os == IH_OS_LINUX) {
68 /* happy - was a linux */
69 nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
70 spl_image.size, (void *)spl_image.load_addr);
74 printf("The Expected Linux image was not"
75 "found. Please check your NAND"
77 printf("Trying to start u-boot now...\n");
81 #ifdef CONFIG_NAND_ENV_DST
82 nand_spl_load_image(CONFIG_ENV_OFFSET,
83 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
84 spl_parse_image_header(header);
85 nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
86 (void *)spl_image.load_addr);
87 #ifdef CONFIG_ENV_OFFSET_REDUND
88 nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
89 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
90 spl_parse_image_header(header);
91 nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
92 (void *)spl_image.load_addr);
96 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
97 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
98 spl_parse_image_header(header);
99 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
100 spl_image.size, (void *)spl_image.load_addr);