arm: config: Introduce CONFIG_SYS_ARM_ARCH
Introduce new helper Kconfig option, which is automatically set to
the version of ARM architecture for which the U-Boot is built. This
is useful when selecting tuning options in the libgcc imported from
Linux kernel.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index e5463d2..77eab66 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -64,6 +64,20 @@
default "sa1100" if CPU_SA1100
default "armv8" if ARM64
+config SYS_ARM_ARCH
+ int
+ default 4 if CPU_ARM720T
+ default 4 if CPU_ARM920T
+ default 5 if CPU_ARM926EJS
+ default 5 if CPU_ARM946ES
+ default 6 if CPU_ARM1136
+ default 6 if CPU_ARM1176
+ default 7 if CPU_V7
+ default 7 if CPU_V7M
+ default 5 if CPU_PXA
+ default 4 if CPU_SA1100
+ default 8 if ARM64
+
config SEMIHOSTING
bool "support boot from semihosting"
help