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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>
This commit is contained in:
Marek Vasut 2016-05-26 18:01:36 +02:00 committed by Tom Rini
parent e68df9994e
commit 66020a67c1
1 changed files with 14 additions and 0 deletions
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arch/arm/Kconfig
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@ -64,6 +64,20 @@ config SYS_CPU
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