## ## Compute the location and size of where this firmware image ## (coreboot plus bootloader) will live in the boot rom chip. ## if CONFIG_USE_FALLBACK_IMAGE default CONFIG_ROM_SECTION_SIZE = CONFIG_FALLBACK_SIZE default CONFIG_ROM_SECTION_OFFSET = ( CONFIG_ROM_SIZE - CONFIG_FALLBACK_SIZE ) else if CONFIG_CBFS default CONFIG_ROM_SECTION_SIZE = CONFIG_FALLBACK_SIZE default CONFIG_ROM_SECTION_OFFSET = ( CONFIG_ROM_SIZE - CONFIG_FALLBACK_SIZE - CONFIG_FALLBACK_SIZE ) else default CONFIG_ROM_SECTION_SIZE = ( CONFIG_ROM_SIZE - CONFIG_FALLBACK_SIZE ) default CONFIG_ROM_SECTION_OFFSET = 0 end end ## ## Compute the start location and size size of ## The coreboot bootloader. ## default CONFIG_PAYLOAD_SIZE = ( CONFIG_ROM_SECTION_SIZE - CONFIG_ROM_IMAGE_SIZE ) default CONFIG_ROM_PAYLOAD_START = (0xffffffff - CONFIG_ROM_SIZE + CONFIG_ROM_SECTION_OFFSET + 1) ## ## Compute where this copy of coreboot will start in the boot rom ## default CONFIG_ROMBASE = ( CONFIG_ROM_PAYLOAD_START + CONFIG_PAYLOAD_SIZE ) ## ## Compute a range of ROM that can cached to speed up coreboot, ## execution speed. ## ## CONFIG_XIP_ROM_SIZE must be a power of 2 and is set in mainboard Config.lb ## CONFIG_XIP_ROM_BASE must be a multiple of CONFIG_XIP_ROM_SIZE ## default CONFIG_XIP_ROM_BASE = ( CONFIG_ROMBASE - CONFIG_XIP_ROM_SIZE + CONFIG_ROM_IMAGE_SIZE )