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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 David Craven <david@craven.ch>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu bootloader u-boot)
#:use-module (gnu bootloader extlinux)
#:use-module (gnu bootloader)
#:use-module (gnu system)
#:use-module (gnu build bootloader)
#:use-module (gnu packages bootloaders)
#:use-module (guix gexp)
#:use-module (guix monads)
#:use-module (guix records)
#:use-module (guix utils)
#:export (u-boot-bootloader
u-boot-banana-pi-m2-ultra-bootloader
u-boot-beaglebone-black-bootloader))
(define install-u-boot
#~(lambda (bootloader device mount-point)
(if bootloader
(error "Failed to install U-Boot"))))
(define install-beaglebone-black-u-boot
;; http://wiki.beyondlogic.org/index.php?title=BeagleBoneBlack_Upgrading_uBoot
;; This first stage bootloader called MLO (U-Boot SPL) is expected at
;; 0x20000 by BBB ROM code. The second stage bootloader will be loaded by
;; the MLO and is expected at 0x60000. Write both first stage ("MLO") and
;; second stage ("u-boot.img") images, read in BOOTLOADER directory, to the
;; specified DEVICE.
#~(lambda (bootloader device mount-point)
(let ((mlo (string-append bootloader "/libexec/MLO"))
(u-boot (string-append bootloader "/libexec/u-boot.img")))
(write-file-on-device mlo (* 256 512)
device (* 256 512))
(write-file-on-device u-boot (* 1024 512)
device (* 768 512)))))
(define install-allwinner-u-boot
#~(lambda (bootloader device mount-point)
(let ((u-boot (string-append bootloader
"/libexec/u-boot-sunxi-with-spl.bin")))
(write-file-on-device u-boot (stat:size (stat u-boot))
device (* 8 1024)))))
;;;
;;; Bootloader definitions.
;;;
(define u-boot-bootloader
(bootloader
(inherit extlinux-bootloader)
(name 'u-boot)
(package #f)
(installer install-u-boot)))
(define u-boot-beaglebone-black-bootloader
(bootloader
(inherit u-boot-bootloader)
(package u-boot-beagle-bone-black)
(installer install-beaglebone-black-u-boot)))
(define u-boot-allwinner-bootloader
(bootloader
(inherit u-boot-bootloader)
(installer install-allwinner-u-boot)))
(define u-boot-banana-pi-m2-ultra-bootloader
(bootloader
(inherit u-boot-allwinner-bootloader)
(package u-boot-banana-pi-m2-ultra)))
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