ceb3952764
* gnu/bootloader/u-boot.scm (u-boot-beaglebone-black-bootloader): New exported bootloader. * gnu/system/install.scm (beaglebone-black-installation-os): New exported variable.
70 lines
2.5 KiB
Scheme
70 lines
2.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2017 David Craven <david@craven.ch>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu bootloader u-boot)
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#:use-module (gnu bootloader extlinux)
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#:use-module (gnu bootloader)
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#:use-module (gnu system)
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#:use-module (gnu build bootloader)
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#:use-module (gnu packages bootloaders)
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#:use-module (guix gexp)
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#:use-module (guix monads)
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#:use-module (guix records)
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#:use-module (guix utils)
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#:export (u-boot-bootloader
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u-boot-beaglebone-black-bootloader))
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(define install-u-boot
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#~(lambda (bootloader device mount-point)
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(if bootloader
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(error "Failed to install U-Boot"))))
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(define install-beaglebone-black-u-boot
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;; http://wiki.beyondlogic.org/index.php?title=BeagleBoneBlack_Upgrading_uBoot
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;; This first stage bootloader called MLO (U-Boot SPL) is expected at
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;; 0x20000 by BBB ROM code. The second stage bootloader will be loaded by
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;; the MLO and is expected at 0x60000. Write both first stage ("MLO") and
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;; second stage ("u-boot.img") images, read in BOOTLOADER directory, to the
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;; specified DEVICE.
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#~(lambda (bootloader device mount-point)
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(let ((mlo (string-append bootloader "/libexec/MLO"))
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(u-boot (string-append bootloader "/libexec/u-boot.img")))
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(write-file-on-device mlo (* 256 512)
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device (* 256 512))
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(write-file-on-device u-boot (* 1024 512)
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device (* 768 512)))))
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;;;
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;;; Bootloader definitions.
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;;;
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(define u-boot-bootloader
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(bootloader
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(inherit extlinux-bootloader)
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(name 'u-boot)
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(package #f)
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(installer install-u-boot)))
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(define u-boot-beaglebone-black-bootloader
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(bootloader
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(inherit u-boot-bootloader)
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(package u-boot-beagle-bone-black)
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(installer install-beaglebone-black-u-boot)))
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