raspberry-pi1.sh (3641B)
1 #!/usr/bin/env zsh 2 # Copyright (c) 2016-2021 Ivan J. <parazyd@dyne.org> 3 # This file is part of arm-sdk 4 # 5 # This source code is free software: you can redistribute it and/or modify 6 # it under the terms of the GNU General Public License as published by 7 # the Free Software Foundation, either version 3 of the License, or 8 # (at your option) any later version. 9 # 10 # This software is distributed in the hope that it will be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU General Public License for more details. 14 # 15 # You should have received a copy of the GNU General Public License 16 # along with this source code. If not, see <http://www.gnu.org/licenses/>. 17 18 ## kernel build script for Raspberry Pi 1 boards 19 20 ## settings & config 21 vars+=(device_name arch size parted_type parted_boot parted_root bootfs inittab) 22 vars+=(gitkernel gitbranch rpifirmware) 23 arrs+=(custmodules) 24 25 device_name="raspi1" 26 arch="armel" 27 size=1891 28 inittab=("T0:23:respawn:/sbin/agetty -L ttyAMA0 115200 vt100") 29 30 parted_type="dos" 31 bootfs="vfat" 32 rootfs="ext4" 33 dos_boot="fat32 2048s 264191s" 34 dos_root="$rootfs 264192s 100%" 35 36 extra_packages+=() 37 custmodules=(snd_bcm2835) 38 39 gitkernel="https://github.com/raspberrypi/linux.git" 40 gitbranch="rpi-4.14.y" 41 rpifirmware="https://github.com/raspberrypi/firmware.git" 42 43 44 prebuild() { 45 fn prebuild 46 req=(device_name strapdir) 47 ckreq || return 1 48 49 notice "executing $device_name prebuild" 50 51 mkdir -p $R/tmp/kernels/$device_name 52 } 53 54 postbuild() { 55 fn postbuild 56 57 notice "executing $device_name postbuild" 58 59 copy-root-overlay 60 61 notice "downloading broadcom firmware for bt/wifi" 62 sudo mkdir -p $strapdir/lib/firmware/brcm 63 # https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/brcm 64 sudo wget -q -O "$strapdir/lib/firmware/brcm/brcmfmac43430-sdio.bin" \ 65 https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/brcm/brcmfmac43430-sdio.bin 66 67 postbuild-clean 68 } 69 70 build_kernel_armel() { 71 fn build_kernel_armel 72 req=(R arch device_name gitkernel gitbranch rpifirmware) 73 req+=(strapdir) 74 ckreq || return 1 75 76 notice "building $arch kernel" 77 78 prebuild || zerr 79 80 get-kernel-sources || zerr 81 pushd $R/tmp/kernels/$device_name/${device_name}-linux 82 # pi1 defconfig 83 make \ 84 $MAKEOPTS \ 85 ARCH=arm \ 86 CROSS_COMPILE=$compiler \ 87 bcmrpi_defconfig || zerr 88 89 # compile kernel and modules 90 make \ 91 $MAKEOPTS \ 92 ARCH=arm \ 93 CROSS_COMPILE=$compiler || zerr 94 95 # install kernel modules 96 sudo -E PATH="$PATH" \ 97 make \ 98 $MAKEOPTS \ 99 ARCH=arm \ 100 CROSS_COMPILE=$compiler \ 101 INSTALL_MOD_PATH=$strapdir \ 102 modules_install || zerr 103 popd 104 105 clone-git "$rpifirmware" "$R/tmp/kernels/$device_name/${device_name}-firmware" 106 sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/bootcode.bin "$strapdir/boot/" 107 sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/fixup* "$strapdir/boot/" 108 sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/start* "$strapdir/boot/" 109 sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/COPYING.linux "$strapdir/boot/" 110 sudo cp $R/tmp/kernels/$device_name/${device_name}-firmware/boot/LICENCE.broadcom "$strapdir/boot/" 111 112 pushd $R/tmp/kernels/$device_name/${device_name}-linux 113 sudo perl scripts/mkknlimg --dtok arch/arm/boot/zImage $strapdir/boot/kernel.img 114 sudo cp arch/arm/boot/dts/bcm*.dtb $strapdir/boot/ 115 sudo cp arch/arm/boot/dts/overlays/*.dtbo $strapdir/boot/overlays/ 116 sudo cp arch/arm/boot/dts/overlays/README $strapdir/boot/overlays/ 117 popd 118 119 postbuild || zerr 120 }