arm720t is an armv4t not an armv4. Force some tegra initialization functions to arm mode because they contain arm only inline assembly.
Signed-off-by: Allen Martin amartin@nvidia.com --- arch/arm/cpu/arm720t/config.mk | 2 +- arch/arm/cpu/arm720t/tegra20/config.mk | 7 +++++++ 2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/cpu/arm720t/config.mk b/arch/arm/cpu/arm720t/config.mk index 210c6dc..1f8aa95 100644 --- a/arch/arm/cpu/arm720t/config.mk +++ b/arch/arm/cpu/arm720t/config.mk @@ -24,7 +24,7 @@
PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-PLATFORM_CPPFLAGS += -march=armv4 -mtune=arm7tdmi +PLATFORM_CPPFLAGS += -march=armv4t -mtune=arm7tdmi # ========================================================================= # # Supply options according to compiler version diff --git a/arch/arm/cpu/arm720t/tegra20/config.mk b/arch/arm/cpu/arm720t/tegra20/config.mk index 62a31d8..af63fcb 100644 --- a/arch/arm/cpu/arm720t/tegra20/config.mk +++ b/arch/arm/cpu/arm720t/tegra20/config.mk @@ -24,3 +24,10 @@ # MA 02111-1307 USA # USE_PRIVATE_LIBGCC = yes + +# +# THUMB1 doesn't allow mrc/mcr instructions, so need to force +# these files to ARM mode +# +CFLAGS_arch/arm/cpu/tegra20-common/ap20.o += -marm +CFLAGS_arch/arm/lib/cache-cp15.o += -marm