@@ -3596,6 +3596,10 @@ FIT uImage format:
Support for the MTD subsystem within SPL. Useful for
environment on NAND support within SPL.
+ CONFIG_SPL_NAND_RAW_ONLY
+ Support to boot only raw u-boot.bin images. Use this only
+ if you need to save space.
+
CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
Set for the SPL on PPC mpc8xxx targets, support for
drivers/ddr/fsl/libddr.o in SPL binary.
@@ -61,6 +61,15 @@ __weak void spl_board_prepare_for_linux(void)
/* Nothing to do! */
}
+void spl_set_header_raw_uboot(void)
+{
+ spl_image.size = CONFIG_SYS_MONITOR_LEN;
+ spl_image.entry_point = CONFIG_SYS_UBOOT_START;
+ spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
+ spl_image.os = IH_OS_U_BOOT;
+ spl_image.name = "U-Boot";
+}
+
void spl_parse_image_header(const struct image_header *header)
{
u32 header_size = sizeof(struct image_header);
@@ -93,11 +102,7 @@ void spl_parse_image_header(const struct image_header *header)
debug("mkimage signature not found - ih_magic = %x\n",
header->ih_magic);
/* Let's assume U-Boot will not be more than 200 KB */
- spl_image.size = CONFIG_SYS_MONITOR_LEN;
- spl_image.entry_point = CONFIG_SYS_UBOOT_START;
- spl_image.load_addr = CONFIG_SYS_TEXT_BASE;
- spl_image.os = IH_OS_U_BOOT;
- spl_image.name = "U-Boot";
+ spl_set_header_raw_uboot();
}
}
@@ -10,6 +10,18 @@
#include <asm/io.h>
#include <nand.h>
+#if defined(CONFIG_SPL_NAND_RAW_ONLY)
+void spl_nand_load_image(void)
+{
+ nand_init();
+
+ nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS,
+ CONFIG_SYS_NAND_U_BOOT_SIZE,
+ (void *)CONFIG_SYS_NAND_U_BOOT_DST);
+ spl_set_header_raw_uboot();
+ nand_deselect();
+}
+#else
void spl_nand_load_image(void)
{
struct image_header *header;
@@ -82,3 +94,4 @@ void spl_nand_load_image(void)
spl_image.size, (void *)spl_image.load_addr);
nand_deselect();
}
+#endif
@@ -35,6 +35,7 @@ extern struct spl_image_info spl_image;
void preloader_console_init(void);
u32 spl_boot_device(void);
u32 spl_boot_mode(void);
+void spl_set_header_raw_uboot(void);
void spl_parse_image_header(const struct image_header *header);
void spl_board_prepare_for_linux(void);
void __noreturn jump_to_image_linux(void *arg);
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> Cc: Andreas Bießmann <andreas.devel@googlemail.com> Cc: Bo Shen <voice.shen@atmel.com> Cc: Scott Wood <scottwood@freescale.com> Cc: Josh Wu <josh.wu@atmel.com> --- on the siemens taurus board, this option saved 0x14d bytes --- README | 4 ++++ common/spl/spl.c | 15 ++++++++++----- common/spl/spl_nand.c | 13 +++++++++++++ include/spl.h | 1 + 4 files changed, 28 insertions(+), 5 deletions(-)