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olimex_a20_olinuxino_*: remove old SD writing instructions

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Now that all the boards have been converted to use genimage, the old
instructions on how to partition and write an SD card are useless.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Luca Ceresoli 2016-02-23 01:24:33 +01:00 committed by Peter Korsgaard
parent ae13fd947b
commit a59dc492f0
1 changed files with 2 additions and 56 deletions
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58
board/olimex/a20_olinuxino/readme.txt
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@ -61,8 +61,8 @@ After building, you should get a tree like this:
`-- zImage
How to write the SD card - boards with sdcard.img
=================================================
How to write the SD card
========================
The sdcard.img file is a complete bootable image ready to be written
on the boot medium. To install it, simply copy the image to a uSD
@ -72,59 +72,5 @@ card:
Where 'sdX' is the device node of the uSD.
How to write the SD card - other boards
=======================================
Prepare the SD card
-------------------
Erase existing stuff, and create an unique Linux partition with `fdisk`.
# fdisk /dev/sdX
Command (m for help): o
Building a new DOS disklabel with disk identifier 0xf9e1616a.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1): 1
First sector (2048-7626751, default 2048): 2048
Last sector, +sectors or +size{K,M,G} (2048-7626751, default 7626751):
Using default value 7626751
Command (m for help): p
Disk /dev/sdX: 3904 MB, 3904897024 bytes
4 heads, 16 sectors/track, 119168 cylinders, total 7626752 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xf9e1616a
Device Boot Start End Blocks Id System
/dev/sdX1 2048 7626751 3812352 83 Linux
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
Copy images on the SD card
--------------------------
# dd if=output/images/rootfs.ext2 of=/dev/sdX1
# dd if=output/images/u-boot-sunxi-with-spl.bin of=/dev/sdX bs=1024 seek=8
Finish
======
Eject the SD card, insert it in the A20-OLinuXino board, and power it up.