csky: add old gcc back

target/config/Config.in.compiler

@@ -14,13 +14,13 @@ prompt "GCC version"
 depends on ADK_BUILD_COMPILER_GCC
 default ADK_TOOLCHAIN_GCC_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_AVR32 if ADK_TARGET_ARCH_AVR32
+default ADK_TOOLCHAIN_GCC_CSKY if ADK_TARGET_ARCH_CSKY
 default ADK_TOOLCHAIN_GCC_LM32 if ADK_TARGET_ARCH_LM32
 default ADK_TOOLCHAIN_GCC_METAG if ADK_TARGET_ARCH_METAG
 default ADK_TOOLCHAIN_GCC_NDS32 if ADK_TARGET_ARCH_NDS32
 default ADK_TOOLCHAIN_GCC_7 if ADK_TARGET_CPU_ARM_ARM11MPCORE
 default ADK_TOOLCHAIN_GCC_7 if ADK_TARGET_CPU_ARM_CORTEX_A53
 default ADK_TOOLCHAIN_GCC_9 if ADK_TARGET_ARCH_OR1K
-default ADK_TOOLCHAIN_GCC_9 if ADK_TARGET_ARCH_CSKY
 default ADK_TOOLCHAIN_GCC_8
 
 config ADK_TOOLCHAIN_GCC_GIT
@@ -66,6 +66,10 @@ config ADK_TOOLCHAIN_GCC_AVR32
 	bool "4.4.7-avr32"
 	depends on ADK_TARGET_ARCH_AVR32
 
+config ADK_TOOLCHAIN_GCC_CSKY
+	bool "6.3.0-csky"
+	depends on ADK_TARGET_ARCH_CSKY
+
 config ADK_TOOLCHAIN_GCC_METAG
 	bool "4.2.4-metag"
 	depends on ADK_TARGET_ARCH_METAG

target/linux/Config.in.kernelversion

@@ -233,7 +233,7 @@ config ADK_TARGET_LINUX_KERNEL_GIT_REPO_NAME
 config ADK_TARGET_LINUX_KERNEL_GIT
 	string "git version"
 	depends on ADK_TARGET_LINUX_KERNEL_VERSION_GIT
-	default "6064a9bdf48cefbccc4f6472dd04251f0dec1931" if ADK_TARGET_ARCH_CSKY
+	default "10c530f34ed3fb9eb89ff7d7a95df62a2072b623" if ADK_TARGET_ARCH_CSKY
 	default "6a2f2e4198eaff63ee75f6085ce9f966c47b4441" if ADK_TARGET_ARCH_LM32
 	default "a2092141807514666a273971cc8fa9e80f14439f" if ADK_TARGET_BOARD_BCM28XX
 	default "f8d3b2a0fa5054aaed0f14cd457db9d8922bb167" if ADK_TARGET_SYSTEM_ADSP_BF537

toolchain/gcc/Makefile.inc

@@ -33,6 +33,13 @@ PKG_SITES:=		https://github.com/foss-for-synopsys-dwc-arc-processors/gcc.git
 PKG_RELEASE:=		1
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.xz
 endif
+ifeq ($(ADK_TOOLCHAIN_GCC_CSKY),y)
+PKG_VERSION:=          gcc-6-branch-csky
+PKG_GIT:=              branch
+PKG_SITES:=            https://github.com/c-sky/gcc.git
+PKG_RELEASE:=          1
+DISTFILES:=            ${PKG_NAME}-${PKG_VERSION}.tar.xz
+endif
 ifeq ($(ADK_TOOLCHAIN_GCC_AVR32),y)
 PKG_VERSION:=		4.4.7
 PKG_HASH:=		76ad7c433af1c798a1e116c4dfa8f5f794f0d32bff65f88c54dcd5e5d146fc32