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layerscape: ls1012afrdm: introduce dynamic partitioning 

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>
master
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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4
package/boot/uboot-layerscape/files/ls1012afrdm-uEnv.txt
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@ -2,7 +2,7 @@ fdtaddr=0x8f000000
loadaddr=0x81000000
fdt_high=0xffffffffffffffff
initrd_high=0xffffffffffffffff
qspi_boot=sf probe 0:0;sf read $fdtaddr f00000 100000;sf read $loadaddr 1000000 1000000;bootm $loadaddr - $fdtaddr
bootargs=rootfstype=squashfs,jffs2 noinitrd earlycon=uart8250,mmio,0x21c0500 console=ttyS0,115200 mtdparts=1550000.quadspi:1m(bl2),4m(fip),1m(u-boot-env),4m(reserved-1),3m(pfe),2m(reserved-2),1m(dtb),16m(kernel),32m(rootfs)
qspi_boot=sf probe 0:0;sf read $loadaddr 1000000 2800000;bootm $loadaddr
bootargs=rootfstype=squashfs,jffs2 noinitrd earlycon=uart8250,mmio,0x21c0500 console=ttyS0,115200 mtdparts=1550000.quadspi:1m(bl2),4m(fip),1m(u-boot-env),4m(reserved-1),3m(pfe),2m(reserved-2),1m(dtb),-(firmware)
bootcmd=echo starting OpenWrt ...;pfe stop;run qspi_boot
bootdelay=3

2
target/linux/layerscape/armv8_64b/config-4.14
View File

@ -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
View File

@ -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