[coreboot-gerrit] New patch to review for coreboot: intel/common/firmware: Add option to configure SPI for EM100

[Martin Roth (martinroth@google.com)]

Martin Roth (martinroth at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12637

-gerrit

commit d665252687efaa2fda3e8c97ee5c9d974e1fbee5
Author: Martin Roth <martinroth at google.com>
Date:   Thu Dec 3 14:27:45 2015 -0700

    intel/common/firmware: Add option to configure SPI for EM100
    
    Add a Kconfig option to set the firmware descriptor to allow EM100 use.
    
    Change-Id: If5d7cd6ad671f0328ee5be0b5e660dbc837fcac3
    Signed-off-by: Martin Roth <martinroth at google.com>
---
 src/southbridge/intel/common/firmware/Kconfig      | 6 ++++++
 src/southbridge/intel/common/firmware/Makefile.inc | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/southbridge/intel/common/firmware/Kconfig b/src/southbridge/intel/common/firmware/Kconfig
index 316ade4..62b9a31 100644
--- a/src/southbridge/intel/common/firmware/Kconfig
+++ b/src/southbridge/intel/common/firmware/Kconfig
@@ -34,6 +34,12 @@ config IFD_BIN_PATH
 	default "3rdparty/blobs/mainboard/$(MAINBOARDDIR)/descriptor.bin"
 	depends on HAVE_IFD_BIN && !BUILD_WITH_FAKE_IFD
 
+config EM100
+	bool "Configure IFD for EM100 usage"
+	depends on HAVE_IFD_BIN && !BUILD_WITH_FAKE_IFD
+	help
+	  Set SPI frequency to 20MHz and disable Dual Output Fast Read Support
+
 config HAVE_ME_BIN
 	bool "Add Intel ME/TXE firmware"
 	depends on HAVE_IFD_BIN
diff --git a/src/southbridge/intel/common/firmware/Makefile.inc b/src/southbridge/intel/common/firmware/Makefile.inc
index 49a4434..3cf2159 100644
--- a/src/southbridge/intel/common/firmware/Makefile.inc
+++ b/src/southbridge/intel/common/firmware/Makefile.inc
@@ -71,6 +71,12 @@ else ifneq ($(CONFIG_BUILD_WITH_FAKE_IFD),y)
 	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
 endif
 
+ifeq ($(CONFIG_EM100),y)
+	printf "    IFDTOOL    Setting EM100 mode\n"
+	$(objutil)/ifdtool/ifdtool -e $(obj)/coreboot.pre
+	mv $(obj)/coreboot.pre.new $(obj)/coreboot.pre
+endif
+
 PHONY+=add_intel_firmware
 
 endif