system: Add mx6cuboxi installer.

* gnu/bootloader/u-boot.scm (u-boot-mx6cuboxi-bootloader):
  New exported variable.
* gnu/system/install.scm (mx6cuboxi-installation-os):
  New exported variable.

gnu/bootloader/u-boot.scm

@@ -33,6 +33,7 @@
             u-boot-a20-olinuxino-micro-bootloader
             u-boot-banana-pi-m2-ultra-bootloader
             u-boot-beaglebone-black-bootloader
+            u-boot-mx6cuboxi-bootloader
             u-boot-nintendo-nes-classic-edition-bootloader))
 
 (define install-u-boot
@@ -62,6 +63,15 @@
         (write-file-on-device u-boot (stat:size (stat u-boot))
                               device (* 8 1024)))))
 
+(define install-imx-u-boot
+  #~(lambda (bootloader device mount-point)
+      (let ((spl (string-append bootloader "/libexec/SPL"))
+            (u-boot (string-append bootloader "/libexec/u-boot.img")))
+        (write-file-on-device spl (stat:size (stat spl))
+                              device (* 1 1024))
+        (write-file-on-device u-boot (stat:size (stat u-boot))
+                              device (* 69 1024)))))
+
 
 
 ;;;
@@ -86,6 +96,11 @@
    (inherit u-boot-bootloader)
    (installer install-allwinner-u-boot)))
 
+(define u-boot-imx-bootloader
+  (bootloader
+   (inherit u-boot-bootloader)
+   (installer install-imx-u-boot)))
+
 (define u-boot-nintendo-nes-classic-edition-bootloader
   (bootloader
     (inherit u-boot-allwinner-bootloader)
@@ -110,3 +125,8 @@
   (bootloader
    (inherit u-boot-allwinner-bootloader)
    (package u-boot-banana-pi-m2-ultra)))
+
+(define u-boot-mx6cuboxi-bootloader
+  (bootloader
+   (inherit u-boot-imx-bootloader)
+   (package u-boot-mx6cuboxi)))

gnu/system/install.scm

@@ -49,6 +49,7 @@
             a20-olinuxino-micro-installation-os
             banana-pi-m2-ultra-installation-os
             beaglebone-black-installation-os
+            mx6cuboxi-installation-os
             nintendo-nes-classic-edition-installation-os))
 
 ;;; Commentary:
@@ -429,6 +430,11 @@ The bootloader BOOTLOADER is installed to BOOTLOADER-TARGET."
                             "/dev/mmcblk1" ; eMMC storage
                             "ttyS0"))
 
+(define mx6cuboxi-installation-os
+  (embedded-installation-os u-boot-mx6cuboxi-bootloader
+                            "/dev/mmcblk0" ; SD card storage
+                            "ttymxc0"))
+
 (define nintendo-nes-classic-edition-installation-os
   (embedded-installation-os u-boot-nintendo-nes-classic-edition-bootloader
                             "/dev/mmcblk0" ; SD card (solder it yourself)