diff options
| author | Gabe Black <gabeblack@google.com> | 2013-09-29 05:40:13 -0700 |
|---|---|---|
| committer | Isaac Christensen <isaac.christensen@se-eng.com> | 2014-08-28 01:23:51 +0200 |
| commit | a2a87d4bca39bdb2e0ffda88e50cab0a98a09621 (patch) | |
| tree | c8c2e7373e0c92d905005ab7dbb4b55dd366c711 /src | |
| parent | 74fade43ee6563505b29484ac5cf8c860a766650 (diff) | |
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@google.com>
Reviewed-on: https://chromium-review.googlesource.com/171018
Reviewed-by: Ronald Minnich <rminnich@chromium.org>
Commit-Queue: Gabe Black <gabeblack@chromium.org>
Tested-by: Gabe Black <gabeblack@chromium.org>
(cherry picked from commit a66393fdd6fe68757e394b8a611e610f1938771d)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6710
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/armv7/Kconfig | 6 | ||||
| -rw-r--r-- | 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 a7f5b23e8e..e272474604 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 a18398a58c..2022f2078b 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 |