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UPSTREAM: Kconfig: Add option for microcode filenames

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Hardcoding the microcode filenames into the makefiles is great when
the microcode is in the blobs directory.  When the microcode isn't
posted to the blobs directory, we need some method of supplying the
microcode binary into the build.  This can of course be done manually
after the build has completed, as can be done with everything that
we're including in the ROM image.  Instead of making life hard for
everyone though, let's just add a way to specify where the microcode
rom comes from.

BUG=chrome-os-partner:53013
BRANCH=None
TEST=None

Signed-off-by: Martin Roth <martinroth@chromium.org>
Reviewed-on: https://review.coreboot.org/16386
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Omar Pakker
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

Change-Id: I7c5127234809e8515906efa56c04af6005eecf0b
Reviewed-on: https://chromium-review.googlesource.com/382718
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Martin Roth 2016-08-30 16:21:53 -06:00 • committed by chrome-bot
commit 8f661e711a
2 changed files with 17 additions and 0 deletions
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15
src/cpu/Kconfig
View file

@ -166,3 +166,18 @@ config CPU_MICROCODE_HEADER_FILES
help
A list of one or more microcode header files with path from the
coreboot directory. These should be separated by spaces.
config CPU_UCODE_BINARIES
string "Microcode binary path and filename"
depends on CPU_MICROCODE_CBFS_GENERATE
default ""
help
Some platforms have microcode in the blobs directory, and these can
be hardcoded in the makefiles. For platforms with microcode
binaries that aren't in the makefile, set this option to pull
in the microcode.
This should contain the full path of the file for one or more
microcode binary files to include, separated by spaces.
If unsure, leave this blank.

2
src/cpu/intel/microcode/Makefile.inc
View file

@ -4,3 +4,5 @@
################################################################################
ramstage-$(CONFIG_SUPPORT_CPU_UCODE_IN_CBFS) += microcode.c
romstage-$(CONFIG_SUPPORT_CPU_UCODE_IN_CBFS) += microcode.c
cpu_microcode_bins += $(call strip_quotes,$(CONFIG_CPU_UCODE_BINARIES))