ExternalVendorCode/heads
1
0
Fork 0
mirror of https://github.com/linuxboot/heads.git synced 2024-12-18 20:47:55 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

split the x230 ROM image into 8MB and 4MB pieces (issue #375)

Browse Source
This commit is contained in:
Trammell hudson 2018-04-18 16:41:22 -04:00
parent 0eff9914ea
commit 4fe148a19b
Failed to extract signature
2 changed files with 25 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
boards/x230-flash/x230-flash.config
View File

@ -15,3 +15,12 @@ CONFIG_LINUX_USB=y
CONFIG_LINUX_E1000E=y
export CONFIG_BOOTSCRIPT=/bin/x230-flash.init
# This board is "special" in that we only want the top 4 MB of the ROM
# for flashing into SPI flash 1 on the mainboard. This is enough to
# allow the board to boot into a minimal Heads and read the full
# ROM from an external USB media.
all: $(build)/$(BOARD)/$(BOARD).rom
$(build)/$(BOARD)/$(BOARD).rom: $(build)/$(BOARD)/coreboot.rom
dd of=$@ if=$< bs=65536 count=64 skip=128
sha256sum $@

16
boards/x230/x230.config
View File

@ -28,3 +28,19 @@ export CONFIG_BOOT_KERNEL_ADD="intel_iommu=on"
export CONFIG_BOOT_KERNEL_REMOVE="quiet"
export CONFIG_BOOT_DEV="/dev/sda1"
export CONFIG_USB_BOOT_DEV="/dev/sdb1"
# This board has two SPI flash chips, an 8 MB that holds the IFD,
# the ME image and part of the coreboot image, and a 4 MB one that
# has the rest of the coreboot and the reset vector.
#
# When flashing via an external programmer it is easiest to have
# to separate files for these pieces.
all: $(build)/$(BOARD)/$(BOARD)-8.rom
$(build)/$(BOARD)/$(BOARD)-8.rom: $(build)/$(BOARD)/coreboot.rom
dd of=$@ if=$< bs=65536 count=128 skip=0
sha256sum $@
all: $(build)/$(BOARD)/$(BOARD)-4.rom
$(build)/$(BOARD)/$(BOARD)-4.rom: $(build)/$(BOARD)/coreboot.rom
dd of=$@ if=$< bs=65536 count=64 skip=128
sha256sum $@