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spl, nand: add option to boot raw u-boot.bin image only
enable to boot only a raw u-boot.bin image from nand with the CONFIG_SPL_NAND_RAW_ONLY define. This option saves space on boards where spl space is low. Signed-off-by: Heiko Schocher <hs@denx.de> Reviewed-by: Andreas Bießmann <andreas.devel@googlemail.com> Reviewed-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
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4 changed files with 28 additions and 5 deletions
4
README
4
README
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@ -3605,6 +3605,10 @@ FIT uImage format:
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Support for the MTD subsystem within SPL. Useful for
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environment on NAND support within SPL.
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CONFIG_SPL_NAND_RAW_ONLY
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Support to boot only raw u-boot.bin images. Use this only
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if you need to save space.
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CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
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Set for the SPL on PPC mpc8xxx targets, support for
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drivers/ddr/fsl/libddr.o in SPL binary.
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@ -62,6 +62,15 @@ __weak void spl_board_prepare_for_linux(void)
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/* Nothing to do! */
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}
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void spl_set_header_raw_uboot(void)
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{
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spl_image.size = CONFIG_SYS_MONITOR_LEN;
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spl_image.entry_point = CONFIG_SYS_UBOOT_START;
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spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
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spl_image.os = IH_OS_U_BOOT;
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spl_image.name = "U-Boot";
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}
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void spl_parse_image_header(const struct image_header *header)
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{
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u32 header_size = sizeof(struct image_header);
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@ -93,11 +102,7 @@ void spl_parse_image_header(const struct image_header *header)
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/* Signature not found - assume u-boot.bin */
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debug("mkimage signature not found - ih_magic = %x\n",
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header->ih_magic);
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spl_image.size = CONFIG_SYS_MONITOR_LEN;
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spl_image.entry_point = CONFIG_SYS_UBOOT_START;
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spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
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spl_image.os = IH_OS_U_BOOT;
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spl_image.name = "U-Boot";
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spl_set_header_raw_uboot();
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}
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}
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@ -10,6 +10,18 @@
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#include <asm/io.h>
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#include <nand.h>
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#if defined(CONFIG_SPL_NAND_RAW_ONLY)
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void spl_nand_load_image(void)
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{
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nand_init();
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nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
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CONFIG_SYS_NAND_U_BOOT_SIZE,
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(void *)CONFIG_SYS_NAND_U_BOOT_DST);
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spl_set_header_raw_uboot();
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nand_deselect();
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}
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#else
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void spl_nand_load_image(void)
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{
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struct image_header *header;
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@ -82,3 +94,4 @@ void spl_nand_load_image(void)
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spl_image.size, (void *)spl_image.load_addr);
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nand_deselect();
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}
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#endif
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@ -35,6 +35,7 @@ extern struct spl_image_info spl_image;
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void preloader_console_init(void);
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u32 spl_boot_device(void);
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u32 spl_boot_mode(void);
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void spl_set_header_raw_uboot(void);
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void spl_parse_image_header(const struct image_header *header);
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void spl_board_prepare_for_linux(void);
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void __noreturn jump_to_image_linux(void *arg);
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