diff options
Diffstat (limited to 'gnu/bootloader/u-boot.scm')
| -rw-r--r-- | gnu/bootloader/u-boot.scm | 25 |
1 files changed, 24 insertions, 1 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))) |