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Device specifications:
* QCA IPQ4019
* 256 MB of RAM
* 32 MB of SPI NOR flash (w25q256)
- 2x 15 MB available; but one of the 15 MB regions is the recovery image
* 2T2R 2.4 GHz
- QCA4019 hw1.0 (SoC)
- requires special BDF in QCA4019/hw1.0/board-2.bin with
bus=ahb,bmi-chip-id=0,bmi-board-id=20,variant=PlasmaCloud-PA2200
* 2T2R 5 GHz (channel 36-64)
- QCA9888 hw2.0 (PCI)
- requires special BDF in QCA9888/hw2.0/board-2.bin
bus=pci,bmi-chip-id=0,bmi-board-id=16,variant=PlasmaCloud-PA2200
* 2T2R 5 GHz (channel 100-165)
- QCA4019 hw1.0 (SoC)
- requires special BDF in QCA4019/hw1.0/board-2.bin with
bus=ahb,bmi-chip-id=0,bmi-board-id=21,variant=PlasmaCloud-PA2200
* GPIO-LEDs for 2.4GHz, 5GHz-SoC and 5GHz-PCIE
* GPIO-LEDs for power (orange) and status (blue)
* 1x GPIO-button (reset)
* TTL pins are on board (arrow points to VCC, then follows: GND, TX, RX)
* 2x gigabit ethernet
- phy@mdio3:
+ Label: Ethernet 1
+ gmac0 (ethaddr) in original firmware
+ used as LAN interface
- phy@mdio4:
+ Label: Ethernet 2
+ gmac1 (eth1addr) in original firmware
+ 802.3at POE+
+ used as WAN interface
* 12V 2A DC
Flashing instructions:
The tool ap51-flash (https://github.com/ap51-flash/ap51-flash) should be
used to transfer the factory image to the u-boot when the device boots up.
Signed-off-by: Marek Lindner <marek.lindner@kaiwoo.ai>
[sven@narfation.org: prepare commit message, rebase, use all LEDs, switch
to dualboot_datachk upgrade script, use eth1 as designated WAN interface]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
109 lines
4.2 KiB
Bash
109 lines
4.2 KiB
Bash
# The U-Boot loader with the datachk patchset for dualbooting requires image
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# sizes and checksums to be provided in the U-Boot environment.
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# The devices come with 2 main partitions - while one is active
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# sysupgrade will flash the other. The boot order is changed to boot the
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# newly flashed partition. If the new partition can't be booted due to
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# upgrade failures the previously used partition is loaded.
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platform_do_upgrade_dualboot_datachk() {
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local tar_file="$1"
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local restore_backup
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local primary_kernel_mtd
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local setenv_script="/tmp/fw_env_upgrade"
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local kernel_mtd="$(find_mtd_index $PART_NAME)"
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local kernel_offset="$(cat /sys/class/mtd/mtd${kernel_mtd}/offset)"
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local total_size="$(cat /sys/class/mtd/mtd${kernel_mtd}/size)"
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# detect to which flash region the new image is written to.
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#
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# 1. check what is the mtd index for the first flash region on this
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# device
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# 2. check if the target partition ("inactive") has the mtd index of
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# the first flash region
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#
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# - when it is: the new bootseq will be 1,2 and the first region is
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# modified
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# - when it isnt: bootseq will be 2,1 and the second region is
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# modified
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#
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# The detection has to be done via the hardcoded mtd partition because
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# the current boot might be done with the fallback region. Let us
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# assume that the current bootseq is 1,2. The bootloader detected that
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# the image in flash region 1 is corrupt and thus switches to flash
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# region 2. The bootseq in the u-boot-env is now still the same and
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# the sysupgrade code can now only rely on the actual mtd indexes and
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# not the bootseq variable to detect the currently booted flash
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# region/image.
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#
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# In the above example, an implementation which uses bootseq ("1,2") to
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# detect the currently booted image would assume that region 1 is booted
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# and then overwrite the variables for the wrong flash region (aka the
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# one which isn't modified). This could result in a device which doesn't
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# boot anymore to Linux until it was reflashed with ap51-flash.
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local next_boot_part="1"
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case "$(board_name)" in
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plasmacloud,pa1200|\
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openmesh,a42)
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primary_kernel_mtd=8
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;;
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plasmacloud,pa2200|\
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openmesh,a62)
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primary_kernel_mtd=10
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;;
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*)
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echo "failed to detect primary kernel mtd partition for board"
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return 1
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;;
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esac
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[ "$kernel_mtd" = "$primary_kernel_mtd" ] || next_boot_part="2"
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local board_dir=$(tar tf $tar_file | grep -m 1 '^sysupgrade-.*/$')
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board_dir=${board_dir%/}
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local kernel_length=$(tar xf $tar_file ${board_dir}/kernel -O | wc -c)
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local rootfs_length=$(tar xf $tar_file ${board_dir}/root -O | wc -c)
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# rootfs without EOF marker
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rootfs_length=$((rootfs_length-4))
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local kernel_md5=$(tar xf $tar_file ${board_dir}/kernel -O | md5sum); kernel_md5="${kernel_md5%% *}"
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# md5 checksum of rootfs with EOF marker
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local rootfs_md5=$(tar xf $tar_file ${board_dir}/root -O | dd bs=1 count=$rootfs_length | md5sum); rootfs_md5="${rootfs_md5%% *}"
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#
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# add tar support to get_image() to use default_do_upgrade() instead?
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#
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# take care of restoring a saved config
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[ -n "$UPGRADE_BACKUP" ] && restore_backup="${MTD_CONFIG_ARGS} -j ${UPGRADE_BACKUP}"
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mtd -q erase inactive
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tar xf $tar_file ${board_dir}/root -O | mtd -n -p $kernel_length $restore_backup write - $PART_NAME
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tar xf $tar_file ${board_dir}/kernel -O | mtd -n write - $PART_NAME
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# prepare new u-boot env
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if [ "$next_boot_part" = "1" ]; then
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echo "bootseq 1,2" > $setenv_script
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else
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echo "bootseq 2,1" > $setenv_script
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fi
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printf "kernel_size_%i 0x%08x\n" $next_boot_part $kernel_length >> $setenv_script
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printf "vmlinux_start_addr 0x%08x\n" ${kernel_offset} >> $setenv_script
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printf "vmlinux_size 0x%08x\n" ${kernel_length} >> $setenv_script
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printf "vmlinux_checksum %s\n" ${kernel_md5} >> $setenv_script
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printf "rootfs_size_%i 0x%08x\n" $next_boot_part $((total_size-kernel_length)) >> $setenv_script
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printf "rootfs_start_addr 0x%08x\n" $((kernel_offset+kernel_length)) >> $setenv_script
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printf "rootfs_size 0x%08x\n" ${rootfs_length} >> $setenv_script
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printf "rootfs_checksum %s\n" ${rootfs_md5} >> $setenv_script
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# store u-boot env changes
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mkdir -p /var/lock
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fw_setenv -s $setenv_script || {
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echo "failed to update U-Boot environment"
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return 1
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}
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}
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