[oe-commits] [openembedded-core] 05/08: kernel-fitimage: Add DTBO support for configurations

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 024fde267a0f46572dedc504accec206775d2a71
Author: Alex Kiernan <alex.kiernan at gmail.com>
AuthorDate: Sat Jun 16 09:28:53 2018 +0000

    kernel-fitimage: Add DTBO support for configurations
    
    When generating overlay DTB configuration sections, U-Boot doesn't want
    the kernel specified again as we already have that in our base DTB. Add
    support for this to allow bootm to process overlay configuration sections.
    
    Signed-off-by: Alex Kiernan <alex.kiernan at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 meta/classes/kernel-fitimage.bbclass | 42 +++++++++++++++++++++++++++---------
 1 file changed, 32 insertions(+), 10 deletions(-)

diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index f3c2ff0..f84be44 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -258,25 +258,34 @@ fitimage_emit_section_config() {
 	fi
 
 	# Test if we have any DTBs at all
-	conf_desc="Linux kernel"
-	kernel_line="kernel = \"kernel@${2}\";"
+	sep=""
+	conf_desc=""
+	kernel_line=""
 	fdt_line=""
 	ramdisk_line=""
 	setup_line=""
 	default_line=""
 
+	if [ -n "${2}" ]; then
+		conf_desc="Linux kernel"
+		sep=", "
+		kernel_line="kernel = \"kernel@${2}\";"
+	fi
+
 	if [ -n "${3}" ]; then
-		conf_desc="${conf_desc}, FDT blob"
+		conf_desc="${conf_desc}${sep}FDT blob"
+		sep=", "
 		fdt_line="fdt = \"fdt@${3}\";"
 	fi
 
 	if [ -n "${4}" ]; then
-		conf_desc="${conf_desc}, ramdisk"
+		conf_desc="${conf_desc}${sep}ramdisk"
+		sep=", "
 		ramdisk_line="ramdisk = \"ramdisk@${4}\";"
 	fi
 
 	if [ -n "${5}" ]; then
-		conf_desc="${conf_desc}, setup"
+		conf_desc="${conf_desc}${sep}setup"
 		setup_line="setup = \"setup@${5}\";"
 	fi
 
@@ -299,18 +308,26 @@ EOF
 
 	if [ ! -z "${conf_sign_keyname}" ] ; then
 
-		sign_line="sign-images = \"kernel\""
+		sign_line="sign-images = "
+		sep=""
+
+		if [ -n "${2}" ]; then
+			sign_line="${sign_line}${sep}\"kernel\""
+			sep=", "
+		fi
 
 		if [ -n "${3}" ]; then
-			sign_line="${sign_line}, \"fdt\""
+			sign_line="${sign_line}${sep}\"fdt\""
+			sep=", "
 		fi
 
 		if [ -n "${4}" ]; then
-			sign_line="${sign_line}, \"ramdisk\""
+			sign_line="${sign_line}${sep}\"ramdisk\""
+			sep=", "
 		fi
 
 		if [ -n "${5}" ]; then
-			sign_line="${sign_line}, \"setup\""
+			sign_line="${sign_line}${sep}\"setup\""
 		fi
 
 		sign_line="${sign_line};"
@@ -413,7 +430,12 @@ fitimage_assemble() {
 	if [ -n "${DTBS}" ]; then
 		i=1
 		for DTB in ${DTBS}; do
-			fitimage_emit_section_config ${1} "${kernelcount}" "${DTB}" "${ramdiskcount}" "${setupcount}" "`expr ${i} = ${dtbcount}`"
+			dtb_ext=${DTB##*.}
+			if [ "${dtb_ext}" = "dtbo" ]; then
+				fitimage_emit_section_config ${1} "" "${DTB}" "" "" "`expr ${i} = ${dtbcount}`"
+			else
+				fitimage_emit_section_config ${1} "${kernelcount}" "${DTB}" "${ramdiskcount}" "${setupcount}" "`expr ${i} = ${dtbcount}`"
+			fi
 			i=`expr ${i} + 1`
 		done
 	fi

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