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,
24 #include <asm/u-boot.h>
25 #include <asm/utils.h>
26 #include <asm/arch/sys_proto.h>
30 #include <asm/omap_common.h>
32 void spl_nand_load_image(void)
34 struct image_header *header;
35 int *src __attribute__((unused));
36 int *dst __attribute__((unused));
38 switch (omap_boot_mode()) {
39 case NAND_MODE_HW_ECC:
40 debug("spl: nand - using hw ecc\n");
45 puts("spl: ERROR: This bootmode is not implemented - hanging");
49 /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
50 header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
51 #ifdef CONFIG_SPL_OS_BOOT
52 if (!spl_start_uboot()) {
54 * load parameter image
55 * load to temp position since nand_spl_load_image reads
56 * a whole block which is typically larger than
57 * CONFIG_CMD_SPL_WRITE_SIZE therefore may overwrite
58 * following sections like BSS
60 nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS,
61 CONFIG_CMD_SPL_WRITE_SIZE,
62 (void *)CONFIG_SYS_TEXT_BASE);
63 /* copy to destintion */
64 for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR,
65 src = (int *)CONFIG_SYS_TEXT_BASE;
66 src < (int *)(CONFIG_SYS_TEXT_BASE +
67 CONFIG_CMD_SPL_WRITE_SIZE);
69 writel(readl(src), dst);
73 nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
74 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
75 spl_parse_image_header(header);
76 if (header->ih_os == IH_OS_LINUX) {
77 /* happy - was a linux */
78 nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS,
79 spl_image.size, (void *)spl_image.load_addr);
83 printf("The Expected Linux image was not"
84 "found. Please check your NAND"
86 printf("Trying to start u-boot now...\n");
90 #ifdef CONFIG_NAND_ENV_DST
91 nand_spl_load_image(CONFIG_ENV_OFFSET,
92 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
93 spl_parse_image_header(header);
94 nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size,
95 (void *)spl_image.load_addr);
96 #ifdef CONFIG_ENV_OFFSET_REDUND
97 nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND,
98 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
99 spl_parse_image_header(header);
100 nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size,
101 (void *)spl_image.load_addr);
105 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
106 CONFIG_SYS_NAND_PAGE_SIZE, (void *)header);
107 spl_parse_image_header(header);
108 nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
109 spl_image.size, (void *)spl_image.load_addr);