diff options
| -rw-r--r-- | build/entities/tftp-images.ent | 11 | ||||
| -rw-r--r-- | debian/changelog | 8 | ||||
| -rw-r--r-- | en/boot-installer/arm.xml | 52 | ||||
| -rw-r--r-- | en/install-methods/download/arm.xml | 4 | ||||
| -rw-r--r-- | en/preparing/bios-setup/arm.xml | 24 |
5 files changed, 99 insertions, 0 deletions
diff --git a/build/entities/tftp-images.ent b/build/entities/tftp-images.ent index 7293e268f..11754a856 100644 --- a/build/entities/tftp-images.ent +++ b/build/entities/tftp-images.ent @@ -60,6 +60,17 @@ <ulink url="&downloadable-file;images/hd-media/">.../images/hd-media/</ulink> '> + <!ENTITY armmp-uboot-img ' +<ulink url="&downloadable-file;images/u-boot/">.../images/u-boot/</ulink> + '> + + <!ENTITY armmp-netboot-sd-img ' +<ulink url="&downloadable-file;images/netboot/SD-card-images/">.../images/netboot/SD-card-images/</ulink> + '> + + <!ENTITY armmp-hd-media-sd-img ' +<ulink url="&downloadable-file;images/hd-media/SD-card-images/">.../images/hd-media/SD-card-images/</ulink> + '> <!-- --> <!-- tftp disk images: proper --> diff --git a/debian/changelog b/debian/changelog index 7f52d8c67..fe4db9fb7 100644 --- a/debian/changelog +++ b/debian/changelog @@ -3,6 +3,14 @@ installation-guide (20150324) UNRELEASED; urgency=medium [ Stéphane Blondon ] * Improve html table aspect. + [ Karsten Merker ] + * Add a "Debian-provided u-boot (system firmware) images" subsection + in the "Pre-Installation Hardware and Operating System Setup" section + and add a link to the u-boot images in the "Downloading Files from + Debian Mirrors" section. + * Add a "Using pre-built SD-card images with the installer" subsection + in the "Booting the Installer on ARM" section. + -- Samuel Thibault <sthibault@debian.org> Sat, 28 Mar 2015 10:10:34 +0100 installation-guide (20150323) unstable; urgency=medium diff --git a/en/boot-installer/arm.xml b/en/boot-installer/arm.xml index ca9bb5d4c..095638a47 100644 --- a/en/boot-installer/arm.xml +++ b/en/boot-installer/arm.xml @@ -186,6 +186,58 @@ bootz ${kernel_addr_r} ${ramdisk_addr_r}:${filesize} ${fdt_addr_r} <quote>run bootcmd_usb0</quote> command. </para> </sect2> + + <sect2 arch="armhf" id="boot-installer-sd-image"> + <title>Using pre-built SD-card images with the installer</title> + <para> + For a number of systems, Debian provides SD card images that contain + both u-boot and the &d-i;. These images are provided in two variants + - one for downloading the software packages over the network + (available at &armmp-netboot-sd-img;) and one for offline + installations using a Debian CD/DVD (available at + &armmp-hd-media-sd-img;). To save space and network bandwidth, the + images consist of two parts - a system-dependent part named + <quote>firmware.<system-type>.img.gz</quote>, and a + system-independent part named <quote>partition.img.gz</quote>. + </para> + <para> + To create a complete image from the two parts on Linux systems, you + can use zcat as follows: + + <informalexample><screen>zcat firmware.<system-type>.img.gz partition.img.gz > complete_image.img</screen></informalexample> + + On Windows systems, you have to first decompress the two parts + separately, which can be done e.g. by using 7-Zip, and then + concatenate the decompressed parts together by running the command + + <informalexample><screen>copy /b firmware.<system-type>.img + partition.img complete_image.img</screen></informalexample> + + in a Windows CMD.exe window. + </para> + <para> + Write the resulting image onto an SD card, e.g. by running the + following command on a Linux system: + + <informalexample><screen>cat complete_image.img > /dev/SD_CARD_DEVICE</screen></informalexample> + + After plugging the SD card into the target system and powering the + system up, the installer is loaded from the SD card. If you use the + hd-media variant for offline installations, you must provide the + installer with access to the first &debian; CD/DVD on a separate + medium, which can e.g. be a CD/DVD ISO image on a USB stick. + </para> + <para> + When you come to the partitioning step in the installer (see <xref + linkend="di-partition"/>), you can delete or replace any previous + partitions on the card. Once the installer is started, it runs + completely in the system's main memory and does not need to access the + SD card anymore, so you can use the full card for installing &debian;. + The easiest way to create a proper partition layout on the SD card is + to let the installer automatically create one for you (see + <xref linkend="partman-auto"/>). + </para> + </sect2> + <!-- # None of the arm systems supported in Jessie is able to boot from # CD/DVD -> commenting out the "Booting from CD-ROM section" for arm diff --git a/en/install-methods/download/arm.xml b/en/install-methods/download/arm.xml index 3f26b12b0..5aad4960b 100644 --- a/en/install-methods/download/arm.xml +++ b/en/install-methods/download/arm.xml @@ -104,4 +104,8 @@ for creating a bootable USB stick with the installer can be obtained from &armmp-hd-media-tarball;. </para> +<para> +U-boot images for various armhf platforms are available at +&armmp-uboot-img;. +</para> </sect3> diff --git a/en/preparing/bios-setup/arm.xml b/en/preparing/bios-setup/arm.xml index 531271c97..f1bb5006c 100644 --- a/en/preparing/bios-setup/arm.xml +++ b/en/preparing/bios-setup/arm.xml @@ -28,6 +28,30 @@ </para> </sect2> + <sect2 arch="armhf" id="armhf-uboot-images"> + <title>Debian-provided u-boot (system firmware) images</title> + <para> + Debian provides u-boot images for various armhf systems that can load + their u-boot from an SD card at &armmp-uboot-img;. The u-boot builds + are offered in two formats: raw u-boot components and a ready-made + card image that can easily be written onto an SD card. The raw u-boot + components are provided for advanced users; the generally recommended + way is to use one of the ready-made SD card images. They are named + <system-type>.sdcard.img.gz and can be written to a card e.g. + with + + <informalexample><screen>zcat <system-type>.sdcard.img.gz > /dev/SD_CARD_DEVICE</screen></informalexample> + + As with all images, please be aware that writing the image to an SD + card wipes all previous contents of the card! + </para> + <para> + If Debian provides a u-boot image for your system, it is recommended + that you use this image instead of the vendor-provided u-boot, as the + version in Debian is usually newer and has more features. + </para> + </sect2> + <sect2 arch="arm" id="uboot-macsetting"> <title>Setting the ethernet MAC address in u-boot</title> <para> |