add some basic support for emcraft kinetis

mk/linux.mk

@@ -4,9 +4,9 @@
 PKG_NAME:=	linux
 PKG_VERSION:=	$(KERNEL_VERSION)
 PKG_RELEASE:=	$(KERNEL_RELEASE)
-PKG_HASH:=	$(KERNEL_HASH)
 ifeq ($(ADK_KERNEL_VERSION_GIT),y)
 PKG_SITES:=	$(ADK_KERNEL_REPO)
+PKG_VERSION:=	$(ADK_KERNEL_HASH)
 else
 PKG_SITES:=  	${MASTER_SITE_KERNEL:=kernel/v4.x/} \
 		${MASTER_SITE_KERNEL:=kernel/v3.x/} \

mk/vars.mk

@@ -88,14 +88,11 @@ endif
 # target tools
 TARGET_CC:=		${TARGET_COMPILER_PREFIX}gcc
 
-# use a gcc wrapper for coldfire/arm uclinux support
+# use a gcc wrapper for coldfire uclinux support
 ifeq ($(ADK_TARGET_UCLINUX),y)
 ifeq ($(ADK_TARGET_ARCH_M68K),y)
 TARGET_CC:=		adk-uclinux-gcc
 endif
-ifeq ($(ADK_TARGET_ARCH_ARM),y)
-TARGET_CC:=		adk-uclinux-gcc
-endif
 endif
 
 TARGET_CXX:=		${TARGET_COMPILER_PREFIX}g++
@@ -293,8 +290,8 @@ TARGET_CFLAGS+=		-funsafe-math-optimizations -ffast-math
 TARGET_CXXFLAGS+=	-funsafe-math-optimizations -ffast-math
 endif
 ifeq ($(ADK_TARGET_ARCH_ARM_WITH_THUMB),y)
-TARGET_CFLAGS+=		-mthumb -Wa,-mimplicit-it=thumb
-TARGET_CXXFLAGS+=	-mthumb -Wa,-mimplicit-it=thumb
+TARGET_CFLAGS+=		-mthumb -Wa,-mimplicit-it=thumb -mno-thumb-interwork
+TARGET_CXXFLAGS+=	-mthumb -Wa,-mimplicit-it=thumb -mno-thumb-interwork
 else
 TARGET_CFLAGS+=		-marm
 TARGET_CXXFLAGS+=	-marm

rules.mk

@@ -65,6 +65,7 @@ ADK_PARAMETER_NETCONSOLE_SRC_IP:=	$(strip $(subst ",, $(ADK_PARAMETER_NETCONSOLE
 ADK_PARAMETER_NETCONSOLE_DST_IP:=	$(strip $(subst ",, $(ADK_PARAMETER_NETCONSOLE_DST_IP)))
 ADK_JFFS2_OPTS:=			$(strip $(subst ",, $(ADK_JFFS2_OPTS)))
 ADK_WGET_TIMEOUT:=			$(strip $(subst ",, $(ADK_WGET_TIMEOUT)))
+ADK_KERNEL_HASH:=			$(strip $(subst ",, $(ADK_KERNEL_HASH)))
 
 ADK_TARGET_KARCH:=$(ADK_TARGET_ARCH)
 

target/arm/kernel/kinetis-k70

@@ -0,0 +1,16 @@
+CONFIG_ARM=y
+CONFIG_ARCH_KINETIS=y
+CONFIG_MACH_KINETIS=y
+CONFIG_KINETIS_UART2=y
+CONFIG_KINETIS_MAC=y
+CONFIG_KINETIS_EDMA=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7M=y
+CONFIG_CPU_32v7M=y
+CONFIG_CPU_ABRT_NOMMU=y
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_ARM_THUMB=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_ARM_CORTEXM3=y
+CONFIG_ARM_ASM_UNIFIED=y

target/arm/systems/kinetis-k70

@@ -0,0 +1,14 @@
+config ADK_TARGET_SYSTEM_KINETIS_K70
+	bool "Kinetis K70"
+	depends on ADK_EXPERIMENTAL
+	select ADK_CPU_CORTEX_M3
+	select ADK_TARGET_LITTLE_ENDIAN
+	select ADK_TARGET_WITH_SERIAL
+	select ADK_TARGET_WITH_USB
+	select ADK_TARGET_UCLINUX
+	select ADK_TARGET_KERNEL_UIMAGE
+	select ADK_KERNEL_REPO "https://github.com/EmcraftSystems/linux-emcraft.git"
+	select ADK_KERNEL_HASH "a5125a7f66b441008f505e4ce5d45ebb24ea28a7"
+	help
+	  Kinetis K70
+

target/config/Config.in

@@ -29,6 +29,7 @@ config ADK_TARGET_VBOX
 
 config ADK_TARGET_ARCH_ARM_WITH_THUMB
 	bool
+	select ADK_KERNEL_ARM_THUMB
 	select ADK_KERNEL_THUMB2_KERNEL
 	depends on ADK_TARGET_ARCH_ARM
 

target/config/Config.in.cpu

@@ -369,11 +369,13 @@ config ADK_CPU_CORTEX_M3
 	bool
 	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
+	select ADK_TARGET_ARCH_ARM_WITH_THUMB
 
 config ADK_CPU_CORTEX_M4
 	bool
 	select ADK_TARGET_WITH_LT
 	select ADK_TARGET_WITHOUT_MMU
+	select ADK_TARGET_ARCH_ARM_WITH_THUMB
 
 config ADK_CPU_CORTEX_A5
 	bool

target/config/Config.in.kernel

@@ -77,6 +77,7 @@ config ADK_TARGET_KERNEL_MINICONFIG
 	default "banana-pro" if ADK_TARGET_SYSTEM_BANANA_PRO
 	default "xilinx-kintex7" if ADK_TARGET_SYSTEM_XILINX_KINTEX7
 	default "pcengines-alix" if ADK_TARGET_SYSTEM_PCENGINES_ALIX
+	default "kinetis-k70" if ADK_TARGET_SYSTEM_KINETIS_K70
 	default "sim-bfin" if ADK_TARGET_SYSTEM_SIM_BFIN
 	default "sim-h8300h" if ADK_TARGET_SYSTEM_SIM_H8300H
 	default "qemu-m68k-mcf5208" if ADK_TARGET_QEMU_M68K_MCF5208

target/config/Config.in.kernelversion.choice

@@ -4,6 +4,7 @@
 choice
 prompt "Kernel Version"
 depends on ADK_TARGET_KERNEL_CUSTOMISING
+default ADK_KERNEL_VERSION_GIT if ADK_TARGET_SYSTEM_KINETIS_K70
 default ADK_KERNEL_VERSION_4_0_6
 
 config ADK_KERNEL_VERSION_GIT
@@ -16,6 +17,7 @@ config ADK_KERNEL_VERSION_4_1_2
 	bool "4.1.2"
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6 || ADK_EXPERIMENTAL
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_4_1
 
 config ADK_KERNEL_VERSION_4_0_6
@@ -24,6 +26,7 @@ config ADK_KERNEL_VERSION_4_0_6
 	depends on !ADK_TARGET_SYSTEM_RASPBERRY_PI2 || ADK_EXPERIMENTAL
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6 || ADK_EXPERIMENTAL
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_4_0
 
 config ADK_KERNEL_VERSION_3_18_16
@@ -33,6 +36,7 @@ config ADK_KERNEL_VERSION_3_18_16
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_18
 
 config ADK_KERNEL_VERSION_3_14_45
@@ -42,6 +46,7 @@ config ADK_KERNEL_VERSION_3_14_45
 	depends on !ADK_TARGET_SYSTEM_RASPBERRY_PI2
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_14
 
 config ADK_KERNEL_VERSION_3_14_36
@@ -62,6 +67,7 @@ config ADK_KERNEL_VERSION_3_12_44
 	depends on !ADK_TARGET_SYSTEM_RASPBERRY_PI
 	depends on !ADK_TARGET_SYSTEM_RASPBERRY_PI2
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_12
 
 config ADK_KERNEL_VERSION_3_10_81
@@ -73,6 +79,7 @@ config ADK_KERNEL_VERSION_3_10_81
 	depends on !ADK_TARGET_ARCH_NIOS2
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_10
 
 config ADK_KERNEL_VERSION_3_4_108
@@ -84,6 +91,7 @@ config ADK_KERNEL_VERSION_3_4_108
 	depends on !ADK_TARGET_ARCH_NIOS2
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_4
 
 config ADK_KERNEL_VERSION_3_2_69
@@ -95,6 +103,7 @@ config ADK_KERNEL_VERSION_3_2_69
 	depends on !ADK_TARGET_ARCH_NIOS2
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_3_2
 
 config ADK_KERNEL_VERSION_2_6_32_67
@@ -106,6 +115,7 @@ config ADK_KERNEL_VERSION_2_6_32_67
 	depends on !ADK_TARGET_ARCH_NIOS2
 	depends on !ADK_TARGET_SYSTEM_QEMU_SPARC
 	depends on !ADK_TARGET_ARCH_H8300
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_KERNEL_VERSION_2_6_32
 
 endchoice
@@ -116,3 +126,9 @@ config ADK_KERNEL_REPO
 	default "git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git"
 	help
 	  GIT repository to use.
+
+config ADK_KERNEL_HASH
+	string
+	depends on ADK_KERNEL_VERSION_GIT
+	help
+	  GIT hash to use.

target/config/Config.in.runtime

@@ -234,6 +234,7 @@ config ADK_RUNTIME_CONSOLE_SERIAL_DEVICE
 	default "ttymxc0" if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	default "ttyAMA0" if ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default "ttyAMA0" if ADK_TARGET_SYSTEM_RASPBERRY_PI2
+	default "ttyS2" if ADK_TARGET_SYSTEM_KINETIS_K70
 	default "ttyS0"
 
 config ADK_RUNTIME_CONSOLE_SERIAL_SPEED

target/config/Config.in.target

@@ -5,6 +5,7 @@ config ADK_TARGET_CMDLINE
 	string
 	default "fbcon=rotate:1" if ADK_TARGET_SYSTEM_SHARP_ZAURUS
 	default "geodewdt.nowayout=1" if ADK_TARGET_SYSTEM_PCENGINES_ALIX1C
+	default "kinetis_platform=k70-som" if ADK_TARGET_SYSTEM_KINETIS_K70
 	default ""
 
 choice

target/linux/config/Config.in.ethernet

@@ -64,9 +64,11 @@ config ADK_KERNEL_FEC
 	select ADK_KERNEL_NET_VENDOR_FREESCALE
 	select ADK_KERNEL_AT803X_PHY
 	depends on ADK_TARGET_SYSTEM_SOLIDRUN_IMX6 || \
-		   ADK_TARGET_QEMU_M68K_MCF5208
+		   ADK_TARGET_QEMU_M68K_MCF5208 || \
+		   ADK_TARGET_SYSTEM_KINETIS_K70
 	default y if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	default y if ADK_TARGET_QEMU_M68K_MCF5208
+	default y if ADK_TARGET_SYSTEM_KINETIS_K70
 	default n
 	help
 	  FEC ethernet driver

target/linux/config/Config.in.kernel

@@ -112,6 +112,9 @@ config ADK_KERNEL_AEABI
 	bool
 	default y if ADK_TARGET_ARCH_ARM
 
+config ADK_KERNEL_ARM_THUMB
+	bool
+
 config ADK_KERNEL_THUMB2_KERNEL
 	bool
 
@@ -126,7 +129,8 @@ config ADK_KERNEL_CPU_LITTLE_ENDIAN
 
 choice
 prompt "Kernel Compression"
-depends on !ADK_TARGET_SYSTEM_MIKROTIK_RB532
+default ADK_KERNEL_COMPRESS_NONE if ADK_TARGET_SYSTEM_MIKROTIK_RB532 \
+				|| ADK_TARGET_SYSTEM_KINETIS_K70
 default ADK_KERNEL_COMP_GZIP if ADK_TARGET_BOARD_BCM28XX
 
 config ADK_KERNEL_COMP_XZ
@@ -171,6 +175,10 @@ config ADK_KERNEL_COMP_GZIP
 	select ADK_KERNEL_KERNEL_GZIP
 	select ADK_KERNEL_INITRAMFS_COMPRESSION_GZIP
 
+config ADK_KERNEL_COMPRESS_NONE
+	bool "use no compression"
+	select ADK_KERNEL_INITRAMFS_COMPRESSION_NONE
+
 endchoice
 
 menu "Kernel options"
@@ -243,7 +251,6 @@ config ADK_KERNEL_PREEMPT
 	help
 	  Enable preemptive mode.
 
-
 choice
 prompt "tick configuration"
 

target/linux/config/Config.in.usb

@@ -46,6 +46,7 @@ config ADK_KERNEL_USB
 	default m if ADK_TARGET_SYSTEM_LEMOTE_YEELONG
 	default m if ADK_TARGET_SYSTEM_ACMESYSTEMS_FOXG20
 	default m if ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
+	default y if ADK_TARGET_SYSTEM_KINETIS_K70
 	default n
 	help
 	  Universal Serial Bus (USB) is a specification for a serial bus
@@ -198,6 +199,16 @@ config ADK_KERNEL_USB_SL811_HCD
 	  board has this chip, and you want to use it as a host controller. 
 	  If unsure, say N.
 
+config ADK_KERNEL_USB_EHCI_MXC
+	bool "Freescale EHCI MXC USB controller"
+	depends on ADK_KERNEL_USB
+	depends on ADK_TARGET_SYSTEM_KINETIS_K70
+	select ADK_KERNEL_GPIOLIB
+	default y if ADK_TARGET_SYSTEM_KINETIS_K70
+	default n
+	help
+	  Freescale USB controller.
+
 endmenu
 
 menu "USB devices support"

toolchain/uclibc-ng/Makefile

@@ -177,6 +177,7 @@ endif
 ifeq ($(ADK_TARGET_ARCH_ARM),y)
 ifeq ($(ADK_TARGET_ARCH_ARM_WITH_THUMB),y)
 	$(SED) 's/.*\(COMPILE_IN_THUMB_MODE\).*/\1=y/' ${WRKBUILD}/.config
+	$(SED) 's/.*\(UCLIBC_HAS_CONTEXT_FUNCS\).*/# \1 is not set/' ${WRKBUILD}/.config
 endif
 endif