Paul Menzel (paulepanter@users.sourceforge.net) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6046
-gerrit
commit 3ba494874b4cc3096dcb56587569afad45bca1f5 Author: Paul Menzel paulepanter@users.sourceforge.net Date: Mon Jun 16 09:28:36 2014 +0200
intel/lynxpoint: Allow building without IFD (descripter.bin)
Change-Id: I26a604446cdf37a6bbcee2b14a107b7ccf417d5c Signed-off-by: Paul Menzel paulepanter@users.sourceforge.net --- src/southbridge/intel/lynxpoint/Kconfig | 46 ++++++++++++++++++++++++++++ src/southbridge/intel/lynxpoint/Makefile.inc | 24 +++++++++++++-- 2 files changed, 67 insertions(+), 3 deletions(-)
diff --git a/src/southbridge/intel/lynxpoint/Kconfig b/src/southbridge/intel/lynxpoint/Kconfig index f0c62e4..1440892 100644 --- a/src/southbridge/intel/lynxpoint/Kconfig +++ b/src/southbridge/intel/lynxpoint/Kconfig @@ -54,6 +54,52 @@ config SERIRQ_CONTINUOUS_MODE If you set this option to y, the serial IRQ machine will be operated in continuous mode.
+config HAVE_IFD_BIN + bool + default y + +config BUILD_WITH_FAKE_IFD + bool "Build with a fake IFD" + default y if !HAVE_IFD_BIN + help + If you don't have an Intel Firmware Descriptor (ifd.bin) for your + board, you can select this option and coreboot will build without it. + Though, the resulting coreboot.rom will not contain all parts required + to get coreboot running on your board. You can however write only the + BIOS section to your board's flash ROM and keep the other sections + untouched. Unfortunately the current version of flashrom doesn't + support this yet. But there is a patch pending [1]. + + WARNING: Never write a complete coreboot.rom to your flash ROM if it + was built with a fake IFD. It just won't work. + + [1] http://www.flashrom.org/pipermail/flashrom/2013-June/011083.html + +config IFD_BIOS_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_ME_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_GBE_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_PLATFORM_SECTION + depends on BUILD_WITH_FAKE_IFD + string + default "" + +config IFD_BIN_PATH + string "Path to intel firmware descriptor" + depends on !BUILD_WITH_FAKE_IFD + default "3rdparty/mainboard/$(MAINBOARDDIR)/descriptor.bin" + config ME_BIN_PATH string "Path to management engine firmware" default "3rdparty/mainboard/$(MAINBOARDDIR)/me.bin" diff --git a/src/southbridge/intel/lynxpoint/Makefile.inc b/src/southbridge/intel/lynxpoint/Makefile.inc index ce948f4..bd298ae 100644 --- a/src/southbridge/intel/lynxpoint/Makefile.inc +++ b/src/southbridge/intel/lynxpoint/Makefile.inc @@ -63,9 +63,27 @@ ramstage-y += gpio.c smm-$(CONFIG_HAVE_SMI_HANDLER) += gpio.c endif
-lynxpoint_add_me: $(obj)/coreboot.pre $(IFDTOOL) +ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y) +IFD_BIN_PATH := $(objgenerated)/ifdfake.bin +IFD_SECTIONS := $(addprefix -b ,$(CONFIG_IFD_BIOS_SECTION:"%"=%)) \ + $(addprefix -m ,$(CONFIG_IFD_ME_SECTION:"%"=%)) \ + $(addprefix -g ,$(CONFIG_IFD_GBE_SECTION:"%"=%)) \ + $(addprefix -p ,$(CONFIG_IFD_PLATFORM_SECTION:"%"=%)) +else +IFD_BIN_PATH := $(CONFIG_IFD_BIN_PATH) +endif + +lynxpoint_add_me: $(obj)/coreboot.pre $(IFDTOOL) $(IFDFAKE) +ifeq ($(CONFIG_BUILD_WITH_FAKE_IFD),y) + printf "\n** WARNING **\n" + printf "Coreboot will be built with a fake Intel Firmware Descriptor (IFD).\n" + printf "Never write a complete coreboot.rom with a fake IFD to your board's\n" + printf "flash ROM! Make sure that you only write valid flash regions.\n\n" + printf " IFDFAKE Building a fake Intel Firmware Descriptor\n" + $(IFDFAKE) $(IFD_SECTIONS) $(IFD_BIN_PATH) +endif printf " DD Adding Intel Firmware Descriptor\n" - dd if=$(CONFIG_IFD_BIN_PATH) \ + dd if=$(IFD_BIN_PATH) \ of=$(obj)/coreboot.pre conv=notrunc >/dev/null 2>&1 printf " IFDTOOL me.bin -> coreboot.pre\n" $(objutil)/ifdtool/ifdtool \ @@ -76,7 +94,7 @@ ifeq ($(CONFIG_LOCK_MANAGEMENT_ENGINE),y) printf " IFDTOOL Locking Management Engine\n" $(objutil)/ifdtool/ifdtool -l $(obj)/coreboot.pre mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre -else +else ifneq ($(CONFIG_BUILD_WITH_FAKE_IFD),y) printf " IFDTOOL Unlocking Management Engine\n" $(objutil)/ifdtool/ifdtool -u $(obj)/coreboot.pre mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre