From c21d1a858e7fc9f273c23d7ae92bc6911f34a1e9 Mon Sep 17 00:00:00 2001
From: Yann Sionneau <ysionneau@kalray.eu>
Date: Thu, 14 Sep 2023 16:55:20 +0200
Subject: kvx: add support for kv3-2 (Coolidge v2 SoC)

The only difference, with regard to libc, is the compile flag: -march=

Signed-off-by: Yann Sionneau <ysionneau@kalray.eu>
---
 Rules.mak                |  3 ++-
 extra/Configs/Config.kvx | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/Rules.mak b/Rules.mak
index 0c49009a2..5b9154b72 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -459,7 +459,8 @@ ifeq ($(TARGET_ARCH),csky)
 endif
 
 ifeq ($(TARGET_ARCH),kvx)
-	CPU_CFLAGS-$(CONFIG_KVX) += -march=kvx
+	CPU_CFLAGS-y += -march=$(call qstrip,$(TARGET_MARCH))
+	CPU_LDFLAGS-y += -march=$(call qstrip,$(TARGET_MARCH))
 endif
 
 ifeq ($(TARGET_ARCH),m68k)
diff --git a/extra/Configs/Config.kvx b/extra/Configs/Config.kvx
index 398ffceaa..04df53c38 100644
--- a/extra/Configs/Config.kvx
+++ b/extra/Configs/Config.kvx
@@ -7,6 +7,24 @@ config TARGET_ARCH
 	string
 	default "kvx"
 
+choice
+	prompt "Target architecture variant"
+	help
+		Select CPU variant to use
+
+config CONFIG_KVX_COOLIDGE_V1
+        bool "Coolidge V1"
+
+config CONFIG_KVX_COOLIDGE_V2
+        bool "Coolidge V2"
+
+endchoice
+
+config TARGET_MARCH
+	string
+	default "kv3-1" if CONFIG_KVX_COOLIDGE_V1
+	default "kv3-2" if CONFIG_KVX_COOLIDGE_V2
+
 config FORCE_OPTIONS_FOR_ARCH
 	bool
 	default y
-- 
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