[coreboot-gerrit] Patch set updated for coreboot: 9085386 ARM: Make it possible to use a custom bootblock implementation.
Isaac Christensen (isaac.christensen@se-eng.com)
gerrit at coreboot.org
Wed Aug 27 22:45:45 CEST 2014
Isaac Christensen (isaac.christensen at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6710
-gerrit
commit 90853864e085bae4ee0415f9385f625ef01d1ef1
Author: Gabe Black <gabeblack at google.com>
Date: Sun Sep 29 05:40:13 2013 -0700
ARM: Make it possible to use a custom bootblock implementation.
Tegra needs to use a custom bootblock implementation because it starts on a
coprocessor which uses ARMv4. It doesn't have the same control registers,
caches, etc., and the regular bootblock gets exceptions and dies.
Change-Id: Id197db2939bc840ad64244d6e2017fc5c89e0cbd
Signed-off-by: Gabe Black <gabeblack at google.com>
Reviewed-on: https://chromium-review.googlesource.com/171018
Reviewed-by: Ronald Minnich <rminnich at chromium.org>
Commit-Queue: Gabe Black <gabeblack at chromium.org>
Tested-by: Gabe Black <gabeblack at chromium.org>
(cherry picked from commit a66393fdd6fe68757e394b8a611e610f1938771d)
Signed-off-by: Isaac Christensen <isaac.christensen at se-eng.com>
---
src/arch/armv7/Kconfig | 6 ++++++
src/arch/armv7/Makefile.inc | 7 ++++---
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/src/arch/armv7/Kconfig b/src/arch/armv7/Kconfig
index a7f5b23..e272474 100644
--- a/src/arch/armv7/Kconfig
+++ b/src/arch/armv7/Kconfig
@@ -11,6 +11,12 @@ config ARCH_RAMSTAGE_ARMV7
bool
default n
+# If a custom bootblock is necessary, this option should be "select"-ed by
+# the thing that needs it, probably the CPU.
+config ARM_BOOTBLOCK_CUSTOM
+ bool
+ default n
+
config CPU_HAS_BOOTBLOCK_INIT
bool
default n
diff --git a/src/arch/armv7/Makefile.inc b/src/arch/armv7/Makefile.inc
index a18398a..2022f20 100644
--- a/src/arch/armv7/Makefile.inc
+++ b/src/arch/armv7/Makefile.inc
@@ -51,11 +51,12 @@ endif # CONFIG_ARCH_ARMV7
ifeq ($(CONFIG_ARCH_BOOTBLOCK_ARMV7),y)
-bootblock-y += id.S
+ifneq ($(CONFIG_ARM_BOOTBLOCK_CUSTOM),y)
bootblock-y += bootblock.S
-
+bootblock-$(CONFIG_BOOTBLOCK_SIMPLE) += bootblock_simple.c
+endif
+bootblock-y += id.S
$(obj)/arch/arm/id.bootblock.o: $(obj)/build.h
-bootblock-y += $(call strip_quotes,$(CONFIG_BOOTBLOCK_SOURCE))
bootblock-y += stages.c
bootblock-y += cache.c
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