The layout of the ROM is a bit hard to discover by reading the code. Add a table to make it easier.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v3: None Changes in v2: - Fix typos in README.x86
doc/README.x86 | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/doc/README.x86 b/doc/README.x86 index 49d6e83..e58ca19 100644 --- a/doc/README.x86 +++ b/doc/README.x86 @@ -160,6 +160,23 @@ Now you can build U-Boot and obtain u-boot.rom $ make minnowmax_defconfig $ make all
+The ROM image is broken up into these parts: + +Offset Description Controlling config +------------------------------------------------------------ +000000 descriptor.bin Hard-coded to 0 in ifdtool +001000 me.bin Set by the descriptor +500000 <spare> +700000 u-boot-dtb.bin CONFIG_SYS_TEXT_BASE +790000 vga.bin CONFIG_X86_OPTION_ROM_ADDR +7c0000 fsp.bin CONFIG_FSP_ADDR +7f8000 <spare> (depends on size of fsp.bin) +7fe000 Environment CONFIG_ENV_OFFSET +7ff800 U-Boot 16-bit boot CONFIG_SYS_X86_START16 + +Overall ROM image size is controlled by CONFIG_ROM_SIZE. + + Intel Galileo instructions:
Only one binary blob is needed for Remote Management Unit (RMU) within Intel