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-rw-r--r--gnu/bootloader/u-boot.scm25
-rw-r--r--gnu/system/install.scm29
2 files changed, 51 insertions, 3 deletions
diff --git a/gnu/bootloader/u-boot.scm b/gnu/bootloader/u-boot.scm
index 963b0d7597..397eb8181c 100644
--- a/gnu/bootloader/u-boot.scm
+++ b/gnu/bootloader/u-boot.scm
@@ -21,18 +21,35 @@
#: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))
+ #:export (u-boot-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)))))
+
;;;
@@ -45,3 +62,9 @@
(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)))
diff --git a/gnu/system/install.scm b/gnu/system/install.scm
index c2f73f7e8f..8864415d7c 100644
--- a/gnu/system/install.scm
+++ b/gnu/system/install.scm
@@ -22,6 +22,7 @@
(define-module (gnu system install)
#:use-module (gnu)
+ #:use-module (gnu bootloader u-boot)
#:use-module (guix gexp)
#:use-module (guix store)
#:use-module (guix monads)
@@ -42,7 +43,8 @@
#:use-module (gnu packages nvi)
#:use-module (ice-9 match)
#:use-module (srfi srfi-26)
- #:export (installation-os))
+ #:export (installation-os
+ beaglebone-black-installation-os))
;;; Commentary:
;;;
@@ -372,7 +374,30 @@ You have been warned. Thanks for being so brave.\x1b[0m
nvi ;:wq!
%base-packages))))
-;; Return it here so 'guix system' can consume it directly.
+(define beaglebone-black-installation-os
+ (operating-system
+ (inherit installation-os)
+ (bootloader (bootloader-configuration
+ (bootloader u-boot-beaglebone-black-bootloader)
+ (target "/dev/sda")))
+ (kernel linux-libre)
+ (initrd (lambda (fs . rest)
+ (apply base-initrd fs
+ ;; This module is required to mount the sd card.
+ #:extra-modules (list "omap_hsmmc")
+ rest)))
+ (services (append
+ ;; mingetty does not work on serial lines.
+ ;; Use agetty with board-specific serial parameters.
+ (list (agetty-service
+ (agetty-configuration
+ (extra-options '("-L"))
+ (baud-rate "115200")
+ (term "vt100")
+ (tty "ttyO0"))))
+ (operating-system-user-services installation-os)))))
+
+;; Return the default os here so 'guix system' can consume it directly.
installation-os
;;; install.scm ends here