From: Tomasz Maciej Nowak <tmn...@gmail.com>
'bootipq' command, on some devices with kernel on NOR flash chip, read
kernel partition size from Qualcomm proprietary partition table, which
seems to be stored in MIBIB partition. The partition table can be read
by 'smeminfo' command in U-Boot command line interface. Because this
partition table is never updated on sysupgrade (even when the kernel
size changes) kernel size is capped at initial value, usually 4MiB.
Sysupgrading such kernel will soft-brick the device, which will need
serial console for recovery. Some devices already suffer from this,
beacuse its U-Boot does not allow to boot LZMA compressed kernel image
and/or kernel zImage. Even some devices allowing to boot LZMA compressed
kernel will hit this limitation later. Therefore limit the kernel size
to 4MiB for devices not having it specified, so we won't create
soft-bricking images.
Signed-off-by: Tomasz Maciej Nowak <tmn...@gmail.com>
---
target/linux/ipq40xx/image/generic.mk | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/target/linux/ipq40xx/image/generic.mk
b/target/linux/ipq40xx/image/generic.mk
index f15463ae8ca5..d9d60a25ff0f 100644
--- a/target/linux/ipq40xx/image/generic.mk
+++ b/target/linux/ipq40xx/image/generic.mk
@@ -130,6 +130,7 @@ define Device/8dev_habanero-dvk
DEVICE_VENDOR := 8devices
DEVICE_MODEL := Habanero DVK
IMAGE_SIZE := 30976k
+ KERNEL_SIZE := 4096k
SOC := qcom-ipq4019
IMAGE/sysupgrade.bin := append-kernel | pad-to 64k | append-rootfs |
pad-rootfs | check-size | append-metadata
endef
@@ -400,6 +401,7 @@ define Device/dlink_dap-2610
WRGG_DEVNAME := /dev/mtdblock/8
WRGG_SIGNATURE := wapac30_dkbs_dap2610
IMAGE_SIZE := 14080k
+ KERNEL_SIZE := 4096k
IMAGES += factory.bin
# Bootloader expects a special 160 byte header which is added by
# wrgg-image.
@@ -478,6 +480,7 @@ define Device/engenius_emd1
DEVICE_DTS_CONFIG := config@4
SOC := qcom-ipq4018
IMAGE_SIZE := 30720k
+ KERNEL_SIZE := 4096k
IMAGES += factory.bin
IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs |
append-metadata
IMAGE/factory.bin := qsdk-ipq-factory-nor | check-size
@@ -800,6 +803,7 @@ define Device/netgear_ex61x0v2
NETGEAR_BOARD_ID := EX6150v2series
NETGEAR_HW_ID := 29765285+16+0+128+2x2
IMAGE_SIZE := 14400k
+ KERNEL_SIZE := 4096k
SOC := qcom-ipq4018
endef
@@ -954,6 +958,7 @@ define Device/pakedge_wr-1
SOC := qcom-ipq4018
BLOCKSIZE := 64k
IMAGE_SIZE := 31232k
+ KERNEL_SIZE := 4096k
IMAGE/sysupgrade.bin := append-kernel | pad-to $$$$(BLOCKSIZE) |
append-rootfs | pad-rootfs | append-metadata
endef
TARGET_DEVICES += pakedge_wr-1
@@ -1030,6 +1035,7 @@ define Device/qxwlan_e2600ac-c1
BOARD_NAME := e2600ac-c1
SOC := qcom-ipq4019
IMAGE_SIZE := 31232k
+ KERNEL_SIZE := 4096k
IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs |
append-metadata
endef
TARGET_DEVICES += qxwlan_e2600ac-c1
@@ -1202,6 +1208,7 @@ define Device/zyxel_wre6606
DEVICE_DTS_CONFIG := config@4
SOC := qcom-ipq4018
IMAGE_SIZE := 13184k
+ KERNEL_SIZE := 4096k
IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs |
check-size | append-metadata
DEVICE_PACKAGES := -kmod-ath10k-ct kmod-ath10k-ct-smallbuffers
endef
--
2.41.0
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