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authorChristian Lamparter <chunkeey@gmail.com>2018-03-18 22:51:07 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2018-03-30 00:30:41 +0200
commite2b35f91b38f668976cc8a8e08843cf853d9be71 (patch)
treea6ccb930cfdfdf0dfd3af034cd07fac63a944354 /target/linux/apm821xx
parent479aaf6375e1823c484e2251f11eee5b911c48e7 (diff)
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apm821xx: switch MR24's initramfs to multi-image method
The recent change to switch to gcc 7.3 broke the image generation code, as the kernel would no longer fit into KERNEL_SIZE. This patch fixes the issue by reworking the initramfs creation and packaging, which will get rid of the KERNEL_SIZE check in the process. This new initramfs can be loaded through the MR24 U-boot in the following way: => setenv ipaddr 192.168.1.1 => setenv bootargs console=ttyS0,$baudrate => tftpboot c00000 192.168.1.2:meraki_mr24-initramfs-kernel.bin [...] Load address: 0xc00000 Loading: ################################################ [...] done Bytes transferred = 5952544 (5ad420 hex) => bootm $fileaddr \## Booting kernel from Legacy Image at 00c00000 ... ... For more information and the latest flashing guide: please visit the OpenWrt Wiki Page for the MR24: <https://openwrt.org/toh/meraki/mr24#flashing> Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Christian Lamparter <chunkeey@gmail.com> Signed-off-by: Chris Blake <chrisrblake93@gmail.com>
Diffstat (limited to 'target/linux/apm821xx')
-rw-r--r--target/linux/apm821xx/image/Makefile10
1 files changed, 3 insertions, 7 deletions
diff --git a/target/linux/apm821xx/image/Makefile b/target/linux/apm821xx/image/Makefile
index 82a857a4d0..4e6b6e4995 100644
--- a/target/linux/apm821xx/image/Makefile
+++ b/target/linux/apm821xx/image/Makefile
@@ -75,13 +75,9 @@ define Device/meraki_mr24
BLOCKSIZE := 63k
IMAGES := sysupgrade.tar
DTB_SIZE := 64512
- KERNEL_SIZE := 1984k
IMAGE_SIZE := 8191k
KERNEL := kernel-bin | lzma | uImage lzma | MerakiAdd-dtb | MerakiNAND
- KERNEL_INITRAMFS := copy-file $(KDIR)/vmlinux | lzma | uImage lzma | \
- check-size $$(KERNEL_SIZE) | \
- MerakiAdd-dtb | pad-to 2047k | MerakiAdd-initramfs | \
- MerakiNAND
+ KERNEL_INITRAMFS := kernel-bin | lzma | dtb | MuImage-initramfs lzma
IMAGE/sysupgrade.tar := sysupgrade-tar | append-metadata
UBINIZE_OPTS := -E 5
SUPPORTED_DEVICES += mr24
@@ -123,7 +119,7 @@ define Build/create-uImage-dtb
@mv $@.new $@
endef
-define Build/wndr4700-specialImage
+define Build/MuImage-initramfs
rm -rf $@.fakerd $@.new
dd if=/dev/zero of=$@.fakerd bs=32 count=1 conv=sync
@@ -170,7 +166,7 @@ define Device/netgear_wndr4700
KERNEL_SIZE := 1920k
KERNEL := dtb | kernel-bin | lzma | uImage lzma | pad-offset $$(BLOCKSIZE) 64 | \
append-uImage-fakeroot-hdr
- KERNEL_INITRAMFS := kernel-bin | gzip | dtb | wndr4700-specialImage gzip
+ KERNEL_INITRAMFS := kernel-bin | gzip | dtb | MuImage-initramfs gzip
IMAGE/factory.img := create-uImage-dtb | append-kernel | pad-to 2M | append-ubi | \
netgear-dni | check-size $$$$(IMAGE_SIZE)
IMAGE/sysupgrade.tar := sysupgrade-tar | append-metadata