[PATCH 1/7] add AVR32 architecture to kbuild

[Hans-Christian Egtvedt]

This patch adds AVR32 to the kbuild system.

Signed-off-by: Hans-Christian Egtvedt <hcegtvedt at atmel.com>
--- 

diff --git a/Rules.mak b/Rules.mak
index 0197fa3..9f60273 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -317,6 +317,12 @@ ifeq ($(TARGET_ARCH),frv)
 	UCLIBC_LDSO=ld.so.1
 endif
 
+ifeq ($(strip $(TARGET_ARCH)),avr32)
+	CPU_CFLAGS-$(CONFIG_AVR32_AP7)	+= -march=ap
+	CPU_CFLAGS-$(CONFIG_LINKRELAX)	+= -mrelax
+	CPU_LDFLAGS-$(CONFIG_LINKRELAX)	+= --relax
+endif
+
 # Keep the check_gcc from being needlessly executed
 ifndef PIEFLAG
 ifneq ($(UCLIBC_BUILD_PIE),y)
diff --git a/extra/Configs/Config.avr32 b/extra/Configs/Config.avr32
new file mode 100644
index 0000000..8d70e6e
--- /dev/null
+++ b/extra/Configs/Config.avr32
@@ -0,0 +1,31 @@
+#
+# For a description of the syntax of this configuration file,
+# see extra/config/Kconfig-language.txt
+#
+
+config TARGET_ARCH
+	string
+	default "avr32"
+
+config FORCE_OPTIONS_FOR_ARCH
+	bool
+	default y
+	select ARCH_BIG_ENDIAN
+	select FORCE_SHAREABLE_TEXT_SEGMENTS
+
+config ARCH_CFLAGS
+	string
+
+choice
+	prompt "Target CPU Type"
+	default CONFIG_AVR32_AP7
+
+config CONFIG_AVR32_AP7
+	bool "AVR32 AP7"
+	select ARCH_HAS_MMU
+
+endchoice
+
+config LINKRELAX
+	bool "Enable linker optimizations"
+	default y
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index 30b4a4c..1ddaeec 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -16,6 +16,9 @@ config TARGET_alpha
 config TARGET_arm
 	bool "arm"
 
+config TARGET_avr32
+	bool "avr32"
+
 config TARGET_bfin
 	bool "bfin"
 
@@ -92,6 +95,10 @@ if TARGET_arm
 source "extra/Configs/Config.arm"
 endif
 
+if TARGET_avr32
+source "extra/Configs/Config.avr32"
+endif
+
 if TARGET_bfin
 source "extra/Configs/Config.bfin"
 endif
diff --git a/extra/Configs/defconfigs/avr32 b/extra/Configs/defconfigs/avr32
new file mode 100644
index 0000000..0b890a2
--- /dev/null
+++ b/extra/Configs/defconfigs/avr32
@@ -0,0 +1 @@
+TARGET_avr32=y