linux-ampere-fourier: bootstrap PKGBUILD (CoolPi GenBook RK3588)
Sibling to kernel-agent PR #8 which lands the scope-tagged board patches + fleet/ampere.yaml manifest. This PR carries the makepkg-side recipe. ## Baseline marfrit/linux-rk3588-marfrit @ f8f3ad9 (mainline v7.0-rc3 + 18 commits): 10 by Markus Fritsche (board DTS + Kconfig + suspend/wakeup + bt) 4 by Shawn Lin (phy: rockchip-snps-pcie3 stability) 2 by Cristian Ciocaltea (clk + dw-dp bridge — Collabora) 1 by Sebastian Reichel (Rock 5 ITX hdmirx — unused by ampere) 1 by Pedro Alves (CLK_SET_RATE_PARENT VOP2 fix) The 6 board-relevant patches (pwm15 pinctrl + RK806 power-off + genbook pwm-fan/speaker/USB-C/lid) are scope-tagged in kernel-agent. The 12 others are 'cherry-picks-in-baseline' currently — splitting them into scope-tagged patches is a follow-up. ## Source distribution The kernel tree isn't pushable to Gitea (boltzmann's working clone is shallow). Tarball (260MB) doesn't belong in marfrit-packages either. Pragmatic shortcut: ship prebuild.sh that produces the tarball locally from $LINUX_RK3588_MARFRIT_TREE (default ~/src/linux-rockchip) just before makepkg runs. PKGBUILD source array references the tarball by name; makepkg picks it up from the PKGBUILD dir. Build flow: cd arch/linux-ampere-fourier ./prebuild.sh # produces 260MB tarball; idempotent w/ sha check makepkg -s --noconfirm Future iteration: host the tarball on Gitea release assets or packages.reauktion.de/sources/ and switch source to URL. ## What the PR ships PKGBUILD — the recipe (linux-rk3588-marfrit @ f8f3ad9) config — snapshot of ampere's /proc/config.gz linux-ampere-fourier.preset — mkinitcpio preset, /boot/firmware/ paths extlinux-add.hook — alpm hook, fires on /boot/firmware/Image* changes extlinux-add.sh — idempotent managed-label injector for /boot/firmware/extlinux/extlinux.conf (vfat on mmcblk0p1, ampere-specific path) prebuild.sh — source-staging helper (see above) README.md — build + install runbook ## ampere-specific boot path differences vs fresnel ampere boots from /boot/firmware/ (vfat partition), not /boot/ (root partition) like fresnel. The PKGBUILD installs Image + initramfs + DTB under /boot/firmware/ directly. The extlinux-add hook fires on /boot/firmware/<X> path changes and edits /boot/firmware/extlinux/extlinux.conf. The mkinitcpio preset writes initramfs to /boot/firmware/. Only one PRESET ('default') — no fallback image — because /boot/firmware is ~1G total and two ~20MB initramfs files plus the DTB and a couple of kernel-image backups would squeeze it tight. ## Out of scope this PR - Ask 2 (VP9 enablement) and Ask 3 (AV1 dec) from kernel-agent issue #6 - Build + publish + install (sequenced after this PR + kernel-agent PR #8 merge) - Splitting the 12 non-board commits into scope-tagged kernel-agent patches
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