From e0020032e80181eaad4c92d2c7641cd14f2b533f Mon Sep 17 00:00:00 2001 From: Stefan Date: Wed, 13 Apr 2022 21:19:41 +0200 Subject: [PATCH v3 8/8] gnu: raspberry-pi: Add a bootloader-chain for the Raspberry Pi and os examples. * gnu/packages/raspberry-pi.scm (grub-efi-bootloader-chain-raspi-64): New bootloader variable, capable to boot a Raspberry Pi over network or from a local storage. * gnu/system/examples/raspberry-pi-64.tmpl: New operating-system example. * gnu/system/examples/raspberry-pi-64-nfs-root.tmpl: New operating-system example for booting over network. diff --git a/gnu/packages/raspberry-pi.scm b/gnu/packages/raspberry-pi.scm index d808f61ac2..d52a4a72c5 100644 --- a/gnu/packages/raspberry-pi.scm +++ b/gnu/packages/raspberry-pi.scm @@ -18,11 +18,14 @@ ;;; along with GNU Guix. If not, see . (define-module (gnu packages raspberry-pi) + #:use-module (gnu bootloader) + #:use-module (gnu bootloader grub) #:use-module (gnu packages) #:use-module (gnu packages admin) #:use-module (gnu packages algebra) #:use-module (gnu packages base) #:use-module (gnu packages bash) + #:use-module (gnu packages bootloaders) #:use-module (gnu packages commencement) #:use-module (gnu packages cross-base) #:use-module (gnu packages documentation) @@ -312,6 +315,22 @@ (define-public (make-raspi-bcm28-dtbs linux) (simple-format #f "The device-tree files for Raspberry Pi models from ~a." (package-name linux))))) +(define-public grub-efi-bootloader-chain-raspi-64 + ;; A bootloader capable to boot a Raspberry Pi over network via TFTP or from + ;; a local storage like a micro SD card. + ;; It neither installs firmware nor device-tree files for the Raspberry Pi. + ;; It just assumes them to be existing in boot/efi in the same way that some + ;; UEFI firmware with ACPI data is usually assumed to be existing on PCs. + ;; It creates firmware configuration files and a bootloader-chain with U-Boot + ;; to provide an EFI API for the final GRUB bootloader. + ;; It also serves as a blue-print to create an own bootloader-chain with + ;; firmwre and device-tree packages or files. + (efi-bootloader-chain grub-efi-netboot-removable-bootloader + #:packages (list u-boot-rpi-efi-64) + #:files (list %raspi-config-txt + %raspi-bcm27-dtb-txt + %raspi-u-boot-bootloader-txt))) + (define (make-raspi-defconfig arch defconfig sha256-as-base32) "Make for the architecture ARCH a file-like object from the DEFCONFIG file with the hash SHA256-AS-BASE32. This object can be used as the #:defconfig diff --git a/gnu/system/examples/raspberry-pi-64-nfs-root.tmpl b/gnu/system/examples/raspberry-pi-64-nfs-root.tmpl new file mode 100644 index 0000000000..c006a287fb --- /dev/null +++ b/gnu/system/examples/raspberry-pi-64-nfs-root.tmpl @@ -0,0 +1,73 @@ +;; This is an operating-system configuration template of a +;; 64-bit minimal system for a Raspberry Pi with an NFS root file-system. + +;; It neither installs firmware nor device-tree files for the Raspberry Pi. +;; It just assumes them to be existing in boot/efi in the same way that some +;; UEFI firmware with ACPI data is usually assumed to be existing on PCs. + +;; It expects the boot/efi directory to be served via TFTP and the root +;; file-system to be served via NFS. See the grub-efi-netboot-bootloader +;; description in the manual for more details. + +(use-modules (gnu) + (gnu artwork) + (gnu system nss)) +(use-service-modules admin + avahi + networking + ssh) +(use-package-modules certs + linux + raspberry-pi + ssh) + +(define %my-public-key + (local-file (string-append (getenv "HOME") "/.ssh/id_ecdsa.pub"))) + +(define-public raspberry-pi-64-nfs-root + (operating-system + (host-name "raspberrypi-guix") + (timezone "Europe/Berlin") + (bootloader (bootloader-configuration + (bootloader grub-efi-bootloader-chain-raspi-64) + (targets '("/boot/efi")) + (theme (grub-theme (resolution '(1920 . 1080)) + (image (file-append + %artwork-repository + "/grub/GuixSD-fully-black-16-9.svg")))))) + (kernel-arguments '("ip=dhcp")) + (kernel (modify-linux #:linux linux-libre-arm64-generic + #:extra-version "arm64-generic-netboot" + #:configs '("CONFIG_NFS_SWAP=y" + "CONFIG_USB_USBNET=y" + "CONFIG_USB_LAN78XX=y" + "CONFIG_USB_NET_SMSC95XX=y"))) + (initrd-modules '()) + (file-systems (cons* (file-system + (mount-point "/") + (type "nfs") + (device ":/export/raspberrypi/guix") + (options "addr=10.20.30.40,vers=4.1")) + %base-file-systems)) + (swap-devices (list (swap-space (target "/run/swapfile")))) + (users (cons* (user-account + (name "pi") + (group "users") + (supplementary-groups '("wheel" "netdev" "audio" "video")) + (home-directory "/home/pi")) + %base-user-accounts)) + (packages (cons* nss-certs + openssh + %base-packages)) + (services (cons* (service avahi-service-type) + (service dhcp-client-service-type) + (service ntp-service-type) + (service openssh-service-type + (openssh-configuration + (x11-forwarding? #t) + (authorized-keys + `(("pi" ,%my-public-key))))) + %base-services)) + (name-service-switch %mdns-host-lookup-nss))) + +raspberry-pi-64-nfs-root diff --git a/gnu/system/examples/raspberry-pi-64.tmpl b/gnu/system/examples/raspberry-pi-64.tmpl new file mode 100644 index 0000000000..6b0178c861 --- /dev/null +++ b/gnu/system/examples/raspberry-pi-64.tmpl @@ -0,0 +1,77 @@ +;; This is an operating-system configuration template of a +;; 64-bit minimal system for a Raspberry Pi with local storage. + +;; It neither installs firmware nor device-tree files for the Raspberry Pi. +;; It just assumes them to be existing in boot/efi in the same way that some +;; UEFI firmware with ACPI data is usually assumed to be existing on PCs. + +;; It expects the boot-partition to be mounted as boot/efi in the same way +;; as it is usually expeted on PCs with UEFI firmware. + +(use-modules (gnu) + (gnu artwork) + (gnu system nss)) +(use-service-modules admin + avahi + networking + ssh) +(use-package-modules certs + linux + raspberry-pi + ssh) + +(define %my-public-key + (local-file (string-append (getenv "HOME") "/.ssh/id_ecdsa.pub"))) + +(define-public raspberry-pi-64 + (operating-system + (host-name "raspberrypi-guix") + (timezone "Europe/Berlin") + (bootloader (bootloader-configuration + (bootloader grub-efi-bootloader-chain-raspi-64) + (targets '("/boot/efi")) + (theme (grub-theme (resolution '(1920 . 1080)) + (image (file-append + %artwork-repository + "/grub/GuixSD-fully-black-16-9.svg")))))) + (kernel (modify-linux #:linux linux-libre-arm64-generic + #| It is possible to use a specific defconfig file, + for example the "bcmrpi3_defconfig" with the + variable shown below. Unfortunately the kernel + build from the linux-libre sources with this + defconfig file does not boot. + #:extra-version "gnu-bcmrpi3" + #:defconfig %bcmrpi3-defconfig + |#)) + (initrd-modules '()) + (file-systems (cons* (file-system + (mount-point "/") + (type "ext4") + (device (file-system-label "Guix"))) + (file-system + (mount-point "/boot/efi") + (type "vfat") + (device (file-system-label "EFI"))) + %base-file-systems)) + (swap-devices (list (swap-space (target "/run/swapfile")))) + (users (cons* (user-account + (name "pi") + (group "users") + (supplementary-groups '("wheel" "netdev" "audio" "video")) + (home-directory "/home/pi")) + %base-user-accounts)) + (packages (cons* nss-certs + openssh + %base-packages)) + (services (cons* (service avahi-service-type) + (service dhcp-client-service-type) + (service ntp-service-type) + (service openssh-service-type + (openssh-configuration + (x11-forwarding? #t) + (authorized-keys + `(("pi" ,%my-public-key))))) + %base-services)) + (name-service-switch %mdns-host-lookup-nss))) + +raspberry-pi-64 -- 2.35.1