boards/raspberrypi: update readme with RPi-2 specifics

The RPi-2 has its own DTB, so document it in the list of generated
files.

Also, not all DTBs need to be present on the boot partition, so add a
comment that identifies which should be copied for each model.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Yann E. MORIN 2015-03-08 16:22:53 +01:00 committed by Thomas Petazzoni
parent 65e8a2e75d
commit 97aaf8b7a2

View File

@ -62,8 +62,9 @@ After building, you should obtain this tree:
output/images/
+-- rootfs.tar [0]
+-- rpi-firmware/
| +-- bcm2708-rpi-b.dtb [1]
| +-- bcm2708-rpi-b-plus.dtb [1]
| +-- bcm2708-rpi-b.dtb
| +-- bcm2708-rpi-b-plus.dtb
| +-- bcm2709-rpi-2-b.dtb
| +-- bootcode.bin
| +-- config.txt
| +-- fixup.dat
@ -73,10 +74,6 @@ After building, you should obtain this tree:
[0] Note for Volatile: rootfs.tar will only be there if you kept
"tar the root filesystem" option selected in "Filesystem images".
[1] The DTBs (Device Tree Blobs) will only be present if you setup
Buildroot to install the DTBs from the rpi-firmware package, and
will only be used if your kernel has support for the Device Tree.
Prepare you SDCard
==================
@ -104,15 +101,18 @@ Install the binaries to the SDCard
At the root of the boot partition, the Raspberry Pi must find the following
files:
* bcm2708-rpi-b.dtb [2]
* bcm2708-rpi-b.dtb [1]
* bcm2708-rpi-b-plus.dtb [2]
* bcm2709-rpi-2-b.dtb [3]
* bootcode.bin
* config.txt
* fixup.dat
* start.elf
* zImage
[2] Only needed if your kernel has support for the Device Tree.
[1] For models A and B
[2] For models A+ and B+
[3] For model 2
For example: