From 910eb994eb6db33998cf1877f6a258ae49f9a67a Mon Sep 17 00:00:00 2001
From: Tomasz Maciej Nowak <tomek_n@o2.pl>
Date: Thu, 28 Mar 2019 18:07:05 +0100
Subject: mvebu: make bootfs size for sdcard image configurable

Let's take this oportunity to implement boot-part and rootfs-part feature
flags.

Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
---
 target/linux/mvebu/image/Makefile | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

(limited to 'target/linux/mvebu/image/Makefile')

diff --git a/target/linux/mvebu/image/Makefile b/target/linux/mvebu/image/Makefile
index be01623e86..88790777d9 100644
--- a/target/linux/mvebu/image/Makefile
+++ b/target/linux/mvebu/image/Makefile
@@ -19,12 +19,6 @@ define Build/dtb
 	$(call Image/BuildDTB,$(DTS_DIR)/$(DEVICE_DTS).dts,$@.dtb)
 endef
 
-# SD-Card Images:
-# these values are optimized for a 4GB labeled sdcard that actually holds 7744512 sectors of 512 byte
-# MBR:            2048 sectors
-# Partition 1:   32768 sectors
-# Partition 2:   98304 sectors (configurable)
-
 define Build/boot-scr
 	rm -f $@-boot.scr
 	sed -e 's#@ROOT@#$(SIGNATURE)#g' \
@@ -34,7 +28,7 @@ endef
 
 define Build/boot-img
 	rm -f $@.boot
-	mkfs.fat -C $@.boot 16384
+	mkfs.fat -C $@.boot $$(( $(CONFIG_TARGET_KERNEL_PARTSIZE) * 1024 ))
 	$(foreach dts,$(DEVICE_DTS), mcopy -i $@.boot $(DTS_DIR)/$(dts).dtb ::$(dts).dtb;)
 	mcopy -i $@.boot $(IMAGE_KERNEL) ::$(KERNEL_NAME)
 	-mcopy -i $@.boot $@-boot.scr ::boot.scr
@@ -46,26 +40,28 @@ define Build/boot-img-ext4
 	$(foreach dts,$(DEVICE_DTS), $(CP) $(DTS_DIR)/$(dts).dtb $@.boot;)
 	$(CP) $(IMAGE_KERNEL) $@.boot/$(KERNEL_NAME)
 	-$(CP) $@-boot.scr $@.boot/boot.scr
-	make_ext4fs -J -l 16384K $@.bootimg $@.boot
+	make_ext4fs -J -l $(CONFIG_TARGET_KERNEL_PARTSIZE)M $@.bootimg $@.boot
 endef
 
 define Build/sdcard-img
 	if [ -n "$(UBOOT)" ]; then UBOOT="$(STAGING_DIR_IMAGE)/$(UBOOT)"; fi; \
+	BOOTFS_SIZE=$$(( $(CONFIG_TARGET_KERNEL_PARTSIZE) * 1024 * 2 )); \
 	ROOTFS_SIZE=$$(( $(CONFIG_TARGET_ROOTFS_PARTSIZE) * 1024 * 2 )); \
 	SIGNATURE="$(SIGNATURE)" \
 	./gen_mvebu_sdcard_img.sh $@ \
 		$$UBOOT \
-		c 32768 $@.boot \
+		c $$BOOTFS_SIZE $@.boot \
 		83 $$ROOTFS_SIZE $(IMAGE_ROOTFS)
 endef
 
 define Build/sdcard-img-ext4
 	if [ -n "$(UBOOT)" ]; then UBOOT="$(STAGING_DIR_IMAGE)/$(UBOOT)"; fi; \
+	BOOTFS_SIZE=$$(( $(CONFIG_TARGET_KERNEL_PARTSIZE) * 1024 * 2 )); \
 	ROOTFS_SIZE=$$(( $(CONFIG_TARGET_ROOTFS_PARTSIZE) * 1024 * 2 )); \
 	SIGNATURE="$(SIGNATURE)" \
 	./gen_mvebu_sdcard_img.sh $@ \
 		$$UBOOT \
-		83 32768 $@.bootimg \
+		83 $$BOOTFS_SIZE $@.bootimg \
 		83 $$ROOTFS_SIZE $(IMAGE_ROOTFS)
 endef
 
-- 
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