{"payload":{"feedbackUrl":"https://github.com/orgs/community/discussions/53140","repo":{"id":130391014,"defaultBranch":"master","name":"openwrt","ownerLogin":"981213","currentUserCanPush":false,"isFork":true,"isEmpty":false,"createdAt":"2018-04-20T16:59:58.000Z","ownerAvatar":"https://avatars.githubusercontent.com/u/3888062?v=4","public":true,"private":false,"isOrgOwned":false},"refInfo":{"name":"","listCacheKey":"v0:1711203632.0","currentOid":""},"activityList":{"items":[{"before":"870870486864143db8689bbd848989f69662b641","after":null,"ref":"refs/heads/ax6s","pushedAt":"2024-03-23T14:20:32.000Z","pushType":"branch_deletion","commitsCount":0,"pusher":{"login":"981213","name":"Chuanhong Guo","path":"/981213","primaryAvatarUrl":"https://avatars.githubusercontent.com/u/3888062?s=80&v=4"}},{"before":"86325d441e34b0344b9d2717ac35d8e2030de3d4","after":"870870486864143db8689bbd848989f69662b641","ref":"refs/heads/ax6s","pushedAt":"2024-03-20T07:21:47.000Z","pushType":"force_push","commitsCount":0,"pusher":{"login":"981213","name":"Chuanhong Guo","path":"/981213","primaryAvatarUrl":"https://avatars.githubusercontent.com/u/3888062?s=80&v=4"},"commit":{"message":"mediatek: mt7622: add a second u-boot for redmi-ax6s\n\nThe vendor u-boot knows nothing about UBI, and we used to have a\nfixed-size kernel partition for vendor u-boot and UBI for rootfs.\nHowever, that fixed partition becomes too small eventually, and\nexpanding it requires complicated procedure.\n\nThis commit changed the flash layout and added a second u-boot\nwhere the kernel supposed to be.\nNow the vendor u-boot chainloads our mainline u-boot, and our\nu-boot reads kernel+rootfs from UBI, verifies it, and boot\ninto OpenWrt.\n\nThere are two possible ways to convert from the old fw:\nFlash the factory image using mtd (provided by @rany2):\n\nmount -o remount,ro /\nmount -o remount,ro /overlay\ncd /tmp\ndd if=factory.bin bs=1M count=4 | mtd write - kernel\ndd if=factory.bin bs=1M skip=4 | mtd -r write - ubi\n\nOr, flash the 2nd u-boot via mtd and upload the firmware\nto the 2nd u-boot using tftp:\n\n1. prepare a tftp server at 192.168.1.254 to serve the\n   sysupgrade image:\n   openwrt-mediatek-mt7622-xiaomi_redmi-router-ax6s-squashfs-sysupgrade.itb\n2. upload the ubi-loader.itb to OpenWrt /tmp, and flash it to\n   the old kernel partition:\n   mtd -r write openwrt-mediatek-mt7622-xiaomi_redmi-router-ax6s-ubi-loader.itb\n3. 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The router should reboot and flash the sysupgrade image via TFTP.\n\nFlashing from vendor firmware:\nI don't know... 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The router should reboot and flash the sysupgrade image via TFTP.\n\nFlashing from vendor firmware:\nI don't know... 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