domenico/openwrt-R7800-nss
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layerscape: ls1012afrdm: introduce dynamic partitioning

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Combine fixed sizes of "kernel" and "rootfs" partitions into one
partition managed by OpenWrt splitter, it will allow better management
of chip capacity and less maintenance burden when compiled kernel image
will outgrow allocated size for kernel partition. This also changes kernel
image format, since splitter only manages kernel and rootfs partitions,
the dtb needs to be updated with the kernel, so for convenience, kernel is
packed to FIT image.

Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
This commit is contained in:
Tomasz Maciej Nowak
2020-02-25 20:07:39 +01:00
committed by Petr Štetiar
parent 63f5268c7f
commit 5031fbfd22
3 changed files with 6 additions and 3 deletions
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2
target/linux/layerscape/armv8_64b/config-4.14
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@@ -630,6 +630,8 @@ CONFIG_MTD_NAND_FSL_IFC=y
CONFIG_MTD_SPI_NOR=y
CONFIG_MTD_SPI_NOR_USE_4K_SECTORS=y
CONFIG_MTD_SPI_NOR_USE_4K_SECTORS_LIMIT=16384
CONFIG_MTD_SPLIT_FIRMWARE=y
CONFIG_MTD_SPLIT_FIT_FW=y
CONFIG_MTD_SST25L=y
CONFIG_MTD_UBI=y
CONFIG_MTD_UBI_BEB_LIMIT=20

3
target/linux/layerscape/image/armv8_64b.mk
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@@ -32,8 +32,9 @@ define Device/ls1012afrdm
ls-append $(1)-uboot-env.bin | pad-to 10M | \
ls-append pfe.itb | pad-to 15M | \
ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
append-kernel | pad-to 32M | \
append-kernel | pad-to $$(BLOCKSIZE) | \
append-rootfs | pad-rootfs | check-size 67108865
KERNEL := kernel-bin | gzip | fit gzip $$(DTS_DIR)/$$(DEVICE_DTS).dtb
KERNEL_INITRAMFS := kernel-bin | fit none $$(DTS_DIR)/$$(DEVICE_DTS).dtb
endef
TARGET_DEVICES += ls1012afrdm