linux: add support to specify $KERNEL_UBOOT_TARGET, $KERNEL_UBOOT_EXTRA_TARGET, $KERNEL_MAKE_EXTRACMD, so we support kernels new devicetree support and support building zImage kernels with u-boot

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/linux/package.mk

@@ -50,7 +50,7 @@ fi
 PKG_MAKE_OPTS_HOST="ARCH=$TARGET_ARCH headers_check"
 
 if [ "$BOOTLOADER" = "u-boot" ]; then
-  KERNEL_IMAGE="uImage"
+  KERNEL_IMAGE="$KERNEL_UBOOT_TARGET"
 else
   KERNEL_IMAGE="bzImage"
 fi
@@ -133,7 +133,13 @@ make_target() {
     $SCRIPTS/install initramfs
   )
 
-  LDFLAGS="" make $KERNEL_IMAGE
+  LDFLAGS="" make $KERNEL_IMAGE $KERNEL_MAKE_EXTRACMD
+
+  if [ "$BOOTLOADER" = "u-boot" -a -n "$KERNEL_UBOOT_EXTRA_TARGET" ]; then
+    for extra_target in "$KERNEL_UBOOT_EXTRA_TARGET"; do
+      LDFLAGS="" make $extra_target
+    done
+  fi
 
   if [ "$PERF_SUPPORT" = "yes" -a "$DEVTOOLS" = "yes" ]; then
     ( cd tools/perf
@@ -164,6 +170,13 @@ make_target() {
 }
 
 makeinstall_target() {
+  if [ "$BOOTLOADER" = "u-boot" ]; then
+    mkdir -p $INSTALL/usr/share/u-boot
+    for dtb in arch/arm/boot/dts/*.dtb; do
+      cp $dtb $INSTALL/usr/share/u-boot
+    done
+  fi
+
   if [ "$PERF_SUPPORT" = "yes" -a "$DEVTOOLS" = "yes" ]; then
     mkdir -p $INSTALL/usr/bin
       cp -P tools/perf/perf $INSTALL/usr/bin/

packages/tools/u-boot/package.mk

@@ -83,10 +83,18 @@ makeinstall_target() {
   mkdir -p $INSTALL/usr/share/u-boot
     cp ./u-boot.bin $INSTALL/usr/share/u-boot
 
+  if [ -f "./u-boot.img" ]; then
+    cp ./u-boot.img $INSTALL/usr/share/u-boot
+  fi
+
   if [ -f "./MLO" ]; then
     cp ./MLO $INSTALL/usr/share/u-boot
   fi
 
+  if [ -f "./SPL" ]; then
+    cp ./SPL $INSTALL/usr/share/u-boot
+  fi
+
   if [ -f "./boot.cfg" ]; then
     cp ./boot.cfg $INSTALL/usr/share/u-boot
   fi

projects/ATV/options

@@ -91,6 +91,15 @@
 # Target Configfile for u-boot
   UBOOT_CONFIGFILE=""
 
+# Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
+  KERNEL_UBOOT_TARGET=""
+
+# Kernel extra targets to build
+  KERNEL_UBOOT_EXTRA_TARGET=""
+
+# Additional kernel make parameters (for example to specify the u-boot loadaddress)
+  KERNEL_MAKE_EXTRACMD=""
+
 # GCC to use. values can be:
 # default:  default mainline gcc
   GCC_VERSION="default"

projects/Cuboxi/options

@@ -91,6 +91,15 @@
 # Target Configfile for u-boot
   UBOOT_CONFIGFILE=""
 
+# Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
+  KERNEL_UBOOT_TARGET="zImage"
+
+# Kernel extra targets to build
+  KERNEL_UBOOT_EXTRA_TARGET="imx6q-cubox-i.dtb imx6dl-cubox-i.dtb imx6dl-hummingboard.dtb"
+
+# Additional kernel make parameters (for example to specify the u-boot loadaddress)
+  KERNEL_MAKE_EXTRACMD=""
+
 # GCC to use. values can be:
 # default:  default mainline gcc
   GCC_VERSION="4.7"

projects/Generic/options

@@ -91,6 +91,15 @@
 # Target Configfile for u-boot
   UBOOT_CONFIGFILE=""
 
+# Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
+  KERNEL_UBOOT_TARGET=""
+
+# Kernel extra targets to build
+  KERNEL_UBOOT_EXTRA_TARGET=""
+
+# Additional kernel make parameters (for example to specify the u-boot loadaddress)
+  KERNEL_MAKE_EXTRACMD=""
+
 # GCC to use. values can be:
 # default:  default mainline gcc
   GCC_VERSION="default"

projects/RPi/options

@@ -91,6 +91,15 @@
 # Target Configfile for u-boot
   UBOOT_CONFIGFILE=""
 
+# Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
+  KERNEL_UBOOT_TARGET=""
+
+# Kernel extra targets to build
+  KERNEL_UBOOT_EXTRA_TARGET=""
+
+# Additional kernel make parameters (for example to specify the u-boot loadaddress)
+  KERNEL_MAKE_EXTRACMD=""
+
 # GCC to use. values can be:
 # default:  default mainline gcc
   GCC_VERSION="4.7"

projects/Virtual/options

@@ -86,6 +86,15 @@
 # Target Configfile for u-boot
   UBOOT_CONFIGFILE=""
 
+# Kernel target for u-boot (default 'uImage' if BOOTLOADER=u-boot) (uImage / zImage)
+  KERNEL_UBOOT_TARGET=""
+
+# Kernel extra targets to build
+  KERNEL_UBOOT_EXTRA_TARGET=""
+
+# Additional kernel make parameters (for example to specify the u-boot loadaddress)
+  KERNEL_MAKE_EXTRACMD=""
+
 # GCC to use. values can be:
 # default:  default mainline gcc
   GCC_VERSION="default"

scripts/image

@@ -176,7 +176,7 @@ IMAGE_NAME="$DISTRONAME-$TARGET_VERSION"
 
 # copy kernel to target dir
   if [ "$BOOTLOADER" = "u-boot" ]; then
-    KERNEL_IMAGE="uImage"
+    KERNEL_IMAGE="$KERNEL_UBOOT_TARGET"
   elif [ "$BOOTLOADER" = "bcm2835-bootloader" ]; then
     KERNEL_IMAGE="zImage"
   else