ath79: modify mtd partitions for Buffalo BHR-4GRV2
This commit modifies mtd partitions define for Buffalo BHR-4GRV2 and move it to generic subtarget. In Buffalo BHR-4GRV2, "kernel" partition is located behined "rootfs" partition in the stock firmware. This causes the size of the kernel to be limited by the fixed value. 0x50000 0xe80000 0xff0000 +-------------------------------+--------------+ | rootfs | kernel | | (14528k) | (1472k) | +-------------------------------+--------------+ After ar71xx was updated to Kernel 4.14, the kernel size of BHR-4GRV2 exceeded the limit, and it breaks builds on official buildbot. Since this issue was also confirmed in ath79, I modified the mtd partitions to get rid of that limitation. 0x50000 0xff0000 +----------------------------------------------+ | firmware | | (16000k) | +----------------------------------------------+ However, this commit breaks compatibility with ar71xx firmware, so I dropped "SUPPORTED_DEVICES += bhr-4grv2". This commit requires new flash instruction instead of the old one. Flash instruction using initramfs image: 1. Connect the computer to the LAN port of BHR-4GRV2 2. Set the IP address of the computer to 192.168.12.10 3. Rename the OpenWrt initramfs image to "bhr4grv2-uImage-initramfs-gzip.bin" and place it into the TFTP directory 4. Start the tftp server on the computer 5. While holding down the "ECO" button, connect power cable to BHR-4GRV2 and turn on it 6. Flashing (orange) diag LED and release the finger from the button, BHR-4GRV2 downloads the intiramfs image from TFTP server and boot with it 7. On the initramfs image, create "/etc/fw_env.config" file with following contents /dev/mtd1 0x0 0x10000 0x10000 8. Execute following commands to add environment variables for u-boot fw_setenv ipaddr 192.168.12.1 fw_setenv serverip 192.168.12.10 fw_setenv ethaddr 00:aa:bb:cc:dd:ee fw_setenv bootcmd "bootm 0x9f050000 || bootm 0x9fe80000" 9. Perform sysupgrade with squashfs-sysupgrade image 10. Wait ~150 seconds to complete flashing And this commit includes small fix; BHR-4GRV2 has QCA9557 as a SoC, not QCA9558. Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
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6 changed files with 19 additions and 39 deletions
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@ -62,14 +62,6 @@ define Build/zyxel-ras-image
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&& mv $@.new $@
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endef
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define Build/mkbuffaloimg
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$(STAGING_DIR_HOST)/bin/mkbuffaloimg -B $(BOARDNAME) \
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-R $$(($(subst k, * 1024,$(ROOTFS_SIZE)))) \
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-K $$(($(subst k, * 1024,$(KERNEL_SIZE)))) \
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-i $@ -o $@.new
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mv $@.new $@
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endef
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define Build/netgear-chk
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$(STAGING_DIR_HOST)/bin/mkchkimg \
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-o $@.new \
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@ -1,3 +1,12 @@
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define Build/mkbuffaloimg
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$(STAGING_DIR_HOST)/bin/mkbuffaloimg -B $(BOARDNAME) \
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-R $$(($(subst k, * 1024,$(ROOTFS_SIZE)))) \
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-K $$(($(subst k, * 1024,$(KERNEL_SIZE)))) \
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-i $@ -o $@.new
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mv $@.new $@
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endef
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define Device/bhr-4grv2
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DEVICE_TITLE := Buffalo BHR-4GRV2
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BOARDNAME := BHR-4GRV2
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@ -22,10 +22,6 @@ platform_do_upgrade() {
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local board=$(board_name)
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case "$board" in
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buffalo,bhr-4grv2)
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PART_NAME="rootfs:kernel"
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default_do_upgrade "$ARGV"
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;;
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ubnt,routerstation|\
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ubnt,routerstation-pro)
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routerstation_do_upgrade "$ARGV"
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@ -93,17 +93,12 @@
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partition@40000 {
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label = "u-boot-env";
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reg = <0x040000 0x010000>;
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read-only;
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};
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partition@50000 {
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label = "rootfs";
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reg = <0x050000 0xe30000>;
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};
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partition@e80000 {
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label = "kernel";
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reg = <0xe80000 0x170000>;
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compatible = "denx,uimage";
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label = "firmware";
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reg = <0x050000 0xfa0000>;
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};
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art: partition@ff0000 {
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@ -82,6 +82,13 @@ define Device/buffalo_bhr-4grv
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endef
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TARGET_DEVICES += buffalo_bhr-4grv
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define Device/buffalo_bhr-4grv2
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ATH_SOC := qca9557
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DEVICE_TITLE := Buffalo BHR-4GRV2
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IMAGE_SIZE := 16000k
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endef
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TARGET_DEVICES += buffalo_bhr-4grv2
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define Device/buffalo_wzr-hp-ag300h
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ATH_SOC := ar7161
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DEVICE_TITLE := Buffalo WZR-HP-AG300H
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@ -1,24 +1,5 @@
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include ./common-buffalo.mk
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DEVICE_VARS += ROOTFS_SIZE
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define Device/buffalo_bhr-4grv2
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ATH_SOC := qca9558
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DEVICE_TITLE := Buffalo BHR-4GRV2
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BOARDNAME := BHR-4GRV2
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ROOTFS_SIZE := 14528k
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KERNEL_SIZE := 1472k
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IMAGE_SIZE := 16000k
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IMAGES += factory.bin
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IMAGE/sysupgrade.bin := \
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append-rootfs | pad-rootfs | pad-to $$$$(ROOTFS_SIZE) | \
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append-kernel | append-metadata | check-size $$$$(IMAGE_SIZE)
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IMAGE/factory.bin := append-kernel | \
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pad-to $$$$(KERNEL_SIZE) | append-rootfs | pad-rootfs | mkbuffaloimg
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SUPPORTED_DEVICES += bhr-4grv2
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endef
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TARGET_DEVICES += buffalo_bhr-4grv2
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define Device/buffalo_whr-g301n
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ATH_SOC := ar7240
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DEVICE_TITLE := Buffalo WHR-G301N
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