[U-Boot] [PATCH 01/12] arm: config: Introduce CONFIG_SYS_ARM_ARCH

[Marek Vasut]

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 at denx.de>
Cc: Albert Aribaud <albert.u.boot at aribaud.net>
Cc: Masahiro Yamada <yamada.masahiro at socionext.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Tom Rini <trini at konsulko.com>
---
 arch/arm/Kconfig | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 729b181..b71c2bb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -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
-- 
2.7.0