arm-bsp/juno: move to compressed initramfs image

Change u-boot and machine config to default to booting a compressed
initramfs.  This allows for easier testing.  A compressed image is
needed as the image is too big for the storage, and the error notifying
of such is vague.

Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/juno.conf

@@ -10,10 +10,10 @@ require conf/machine/include/arm/arch-armv8a.inc
 
 MACHINE_FEATURES = "usbhost usbgadget alsa screen wifi bluetooth optee pci"
 
-KERNEL_IMAGETYPE = "Image"
+KERNEL_IMAGETYPE = "Image.gz"
 KERNEL_DEVICETREE = "arm/juno.dtb arm/juno-r1.dtb arm/juno-r2.dtb"
 
-IMAGE_FSTYPES += "tar.bz2 ext4"
+IMAGE_FSTYPES += "tar.bz2 ext4 cpio.gz"
 
 SERIAL_CONSOLES = "115200;ttyAMA0"
 
@@ -26,3 +26,6 @@ EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-a u-boot firmware-image-juno"
 
 # Juno u-boot configuration
 UBOOT_MACHINE = "vexpress_aemv8a_juno_defconfig"
+
+INITRAMFS_IMAGE_BUNDLE ?= "1"
+INITRAMFS_IMAGE = "core-image-minimal"

meta-arm-bsp/recipes-bsp/images/firmware-image-juno.bb

@@ -62,7 +62,7 @@ do_deploy() {
     done
 
     if [ "${INITRAMFS_IMAGE_BUNDLE}" -eq 1 ]; then
-        cp -L -f ${DEPLOY_DIR_IMAGE}/Image-initramfs-juno.bin \
+        cp -L -f ${DEPLOY_DIR_IMAGE}/Image.gz-initramfs-juno.bin \
             ${D}/${UNPACK_DIR}/SOFTWARE/Image
     else
         cp -L -f ${DEPLOY_DIR_IMAGE}/Image ${D}/${UNPACK_DIR}/SOFTWARE/

meta-arm-bsp/recipes-bsp/u-boot/u-boot-2020.07/juno/0002-configs-vexpress-modify-to-boot-compressed-initramfs.patch

@@ -0,0 +1,27 @@
+From 097a43223da4fa42335944295903ede2755e2dfd Mon Sep 17 00:00:00 2001
+From: Jon Mason <jdmason@kudzu.us>
+Date: Mon, 19 Dec 2022 11:36:04 -0500
+Subject: [PATCH] configs: vexpress: modify to boot compressed initramfs
+
+Signed-off-by: Jon Mason <jdmason@kudzu.us>
+Upstream-Status: Inappropriate
+---
+ include/configs/vexpress_aemv8a.h       | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/include/configs/vexpress_aemv8.h b/include/configs/vexpress_aemv8a.h
+index cd7f6c1b9ba0..c2f5eb302076 100644
+--- a/include/configs/vexpress_aemv8a.h
++++ b/include/configs/vexpress_aemv8a.h
+@@ -164,6 +164,8 @@
+ 				"kernel_name=norkern\0"	\
+ 				"kernel_alt_name=Image\0"	\
+ 				"kernel_addr_r=0x80080000\0" \
++				"kernel_comp_addr_r=0x90000000\0" \
++				"kernel_comp_size=0x3000000\0" \
+ 				"initrd_name=ramdisk.img\0"	\
+ 				"initrd_addr_r=0x88000000\0"	\
+ 				"fdtfile=board.dtb\0" \
+-- 
+2.30.2
+

meta-arm-bsp/recipes-bsp/u-boot/u-boot_2020.07.bbappend

@@ -29,7 +29,10 @@ SRC_URI_append_fvp-base-arm32 = " file://0001-Add-vexpress_aemv8a_aarch32-varian
 #
 # Juno KMACHINE
 #
-SRC_URI_append_juno = " file://u-boot_vexpress_uenv.patch"
+SRC_URI_append_juno = " \
+    file://u-boot_vexpress_uenv.patch \
+    file://0002-configs-vexpress-modify-to-boot-compressed-initramfs.patch \
+    "
 
 #
 # Total Compute KMACHINE

meta-arm-toolchain/conf/layer.conf

@@ -14,8 +14,5 @@ LICENSE_PATH += "${LAYERDIR}/custom-licenses"
 LAYERDEPENDS_arm-toolchain = "core"
 LAYERSERIES_COMPAT_arm-toolchain = "gatesgarth"
 
-# do not error out on bbappends for missing recipes
-BB_DANGLINGAPPENDS_WARNONLY = "true"
-
 # These variables are used for armcompiler license
 BB_HASHBASE_WHITELIST_append = " ARM_TOOL_VARIANT ARMLMD_LICENSE_FILE LM_LICENSE_FILE"