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-rw-r--r--gnu/packages/raspberry-pi.scm136
1 files changed, 134 insertions, 2 deletions
diff --git a/gnu/packages/raspberry-pi.scm b/gnu/packages/raspberry-pi.scm
index bb38b8b218..21bc9a3bd8 100644
--- a/gnu/packages/raspberry-pi.scm
+++ b/gnu/packages/raspberry-pi.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020 Danny Milosavljevic <[email protected]>
+;;; Copyright © 2021 Stefan <[email protected]>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -17,17 +18,22 @@
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(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)
+ #:use-module (gnu packages embedded)
#:use-module (gnu packages file)
#:use-module (gnu packages gcc)
- #:use-module (gnu packages embedded)
+ #:use-module (gnu packages linux)
+ #:use-module (guix build-system copy)
#:use-module (guix build-system gnu)
#:use-module (guix download)
#:use-module (guix git-download)
@@ -40,7 +46,10 @@
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-2)
#:use-module (srfi srfi-26)
- #:use-module (ice-9 match))
+ #:use-module (ice-9 match)
+ #:export (make-raspi-bcm28-dtbs
+ raspi-config-file
+ raspi-custom-txt))
(define-public bcm2835
(package
@@ -235,3 +244,126 @@ Raspberry Pi. Note: It does not work on Raspberry Pi 1.")
(install-file "arm64.bin" libexec)
#t))))))))
(supported-systems '("aarch64-linux"))))
+
+(define (raspi-config-file name content)
+ "Make a configuration file like config.txt for the Raspberry Pi firmware.
+CONTENT can be a list of strings, which are concatenated with a newline
+character. Alternatively CONTENT can be a string with the full file content."
+ (plain-file
+ name
+ (if (list? content)
+ (string-join content "\n" 'suffix)
+ content)))
+
+(define-public %raspi-config-txt
+ ;; A config.txt file to start the ARM cores up in 64-bit mode if necessary
+ ;; and to include a dtb.txt, bootloader.txt, and a custom.txt, each with
+ ;; separated configurations for the Raspberry Pi firmware.
+ (raspi-config-file
+ "config.txt"
+ `("# See https://www.raspberrypi.org/documentation/configuration/config-txt/README.md for details."
+ ""
+ ,(string-append "arm_64bit=" (if (target-aarch64?) "1" "0"))
+ "include dtb.txt"
+ "include bootloader.txt"
+ "include custom.txt")))
+
+(define-public %raspi-bcm27-dtb-txt
+ ;; A dtb.txt file to be included by the config.txt to ensure that the
+ ;; downstream device tree files bcm27*.dtb will be used.
+ (raspi-config-file
+ "dtb.txt"
+ "upstream_kernel=0"))
+
+(define-public %raspi-bcm28-dtb-txt
+ ;; A dtb.txt file to be included by the config.txt to ensure that the
+ ;; upstream device tree files bcm28*.dtb will be used.
+ ;; This also implies the use of the dtoverlay=upstream.
+ (raspi-config-file
+ "dtb.txt"
+ "upstream_kernel=1"))
+
+(define-public %raspi-u-boot-bootloader-txt
+ ;; A bootloader.txt file to be included by the config.txt to load the
+ ;; U-Boot bootloader.
+ (raspi-config-file
+ "bootloader.txt"
+ '("dtoverlay=upstream"
+ "enable_uart=1"
+ "kernel=u-boot.bin")))
+
+(define (raspi-custom-txt content)
+ "Make a custom.txt file for the Raspberry Pi firmware.
+CONTENT can be a list of strings, which are concatenated with a newline
+character. Alternatively CONTENT can be a string with the full file content."
+ (raspi-config-file "custom.txt" content))
+
+(define (make-raspi-bcm28-dtbs linux)
+ "Make a package with the device-tree files for Raspberry Pi models from the
+kernel LINUX."
+ (package
+ (inherit linux)
+ (name "raspi-bcm28-dtbs")
+ (source #f)
+ (build-system copy-build-system)
+ (arguments
+ #~(list
+ #:phases #~(modify-phases %standard-phases (delete 'unpack))
+ #:install-plan
+ (list (list (search-input-directory %build-inputs
+ "lib/dtbs/broadcom/")
+ "." #:include-regexp '("/bcm....-rpi.*\\.dtb")))))
+ (inputs (list linux))
+ (synopsis "Device-tree files for a Raspberry Pi")
+ (description
+ (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 a custom bootloader-chain with firmware and device-tree
+ ;; packages or files.
+ (efi-bootloader-chain grub-efi-netboot-removable-bootloader
+ #:packages (list u-boot-rpi-arm64-efi-bin)
+ #: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
+argument of the function (modify-linux)."
+ (make-defconfig
+ (string-append
+ ;; This is from commit 7838840 on branch rpi-5.18.y,
+ ;; see https://github.com/raspberrypi/linux/tree/rpi-5.18.y/
+ ;; and https://github.com/raspberrypi/linux/commit/7838840b5606a2051b31da4c598466df7b1c3005
+ "https://raw.githubusercontent.com/raspberrypi/linux/7838840b5606a2051b31da4c598466df7b1c3005/arch/"
+ arch "/configs/" defconfig)
+ sha256-as-base32))
+
+(define-public %bcm2709-defconfig
+ (make-raspi-defconfig
+ "arm" "bcm2709_defconfig"
+ "1hcxmsr131f92ay3bfglrggds8ajy904yj3vw7c42i4c66256a79"))
+
+(define-public %bcm2711-defconfig
+ (make-raspi-defconfig
+ "arm" "bcm2711_defconfig"
+ "1n7g5yq0hdp8lh0x6bfxph2ff8yn8zisdj3qg0gbn83j4v8i1zbd"))
+
+(define-public %bcm2711-defconfig-64
+ (make-raspi-defconfig
+ "arm64" "bcm2711_defconfig"
+ "0k9q7qvw826v2hrp49xnxnw93pnnkicwx869chvlf7i57461n4i7"))
+
+(define-public %bcmrpi3-defconfig
+ (make-raspi-defconfig
+ "arm64" "bcmrpi3_defconfig"
+ "1bfnl4p0ddx3200dg91kmh2pln36w95y05x1asc312kixv0jgd81"))