diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/spl_nand.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/spl_nand.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c b/arch/arm/cpu/armv7/omap-common/spl_nand.c index 38d06b1ea8..1295e88752 100644 --- a/arch/arm/cpu/armv7/omap-common/spl_nand.c +++ b/arch/arm/cpu/armv7/omap-common/spl_nand.c @@ -24,14 +24,17 @@ #include <asm/u-boot.h> #include <asm/utils.h> #include <asm/arch/sys_proto.h> +#include <asm/io.h> #include <nand.h> #include <version.h> #include <asm/omap_common.h> - void spl_nand_load_image(void) { struct image_header *header; + int *src __attribute__((unused)); + int *dst __attribute__((unused)); + switch (omap_boot_mode()) { case NAND_MODE_HW_ECC: debug("spl: nand - using hw ecc\n"); @@ -45,19 +48,57 @@ void spl_nand_load_image(void) /*use CONFIG_SYS_TEXT_BASE as temporary storage area */ header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); +#ifdef CONFIG_SPL_OS_BOOT + if (!spl_start_uboot()) { + /* + * load parameter image + * load to temp position since nand_spl_load_image reads + * a whole block which is typically larger than + * CONFIG_CMD_SAVEBP_WRITE_SIZE therefore may overwrite + * following sections like BSS + */ + nand_spl_load_image(CONFIG_CMD_SPL_NAND_OFS, + CONFIG_CMD_SPL_WRITE_SIZE, + (void *)CONFIG_SYS_TEXT_BASE); + /* copy to destintion */ + for (dst = (int *)CONFIG_SYS_SPL_ARGS_ADDR, + src = (int *)CONFIG_SYS_TEXT_BASE; + src < (int *)(CONFIG_SYS_TEXT_BASE + + CONFIG_CMD_SPL_WRITE_SIZE); + src++, dst++) { + writel(readl(src), dst); + } + /* load linux */ + nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS, + CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); + spl_parse_image_header(header); + if (header->ih_os == IH_OS_LINUX) { + /* happy - was a linux */ + nand_spl_load_image(CONFIG_SYS_NAND_SPL_KERNEL_OFFS, + spl_image.size, (void *)spl_image.load_addr); + nand_deselect(); + return; + } else { + printf("The Expected Linux image was not" + "found. Please check your NAND" + "configuration.\n"); + printf("Trying to start u-boot now...\n"); + } + } +#endif #ifdef CONFIG_NAND_ENV_DST nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); spl_parse_image_header(header); nand_spl_load_image(CONFIG_ENV_OFFSET, spl_image.size, - (void *)image_load_addr); + (void *)spl_image.load_addr); #ifdef CONFIG_ENV_OFFSET_REDUND nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); spl_parse_image_header(header); nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, spl_image.size, - (void *)image_load_addr); + (void *)spl_image.load_addr); #endif #endif /* Load u-boot */ |
