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ROCK Pi S is a Rockchip RK3308 based SBC from Radxa. It contains a 64-bit quad core processor, USB, ethernet, wireless connectivity, and voice detection engine in 1.7-inches square. The ROCK Pi S comes in two RAM sizes 256MB or 512MB DDR3, and uses an sdmmc card for OS and storage. Optionally, some versions of the ROCK Pi S provide on-board storage via 1Gb/2Gb/4Gb/8Gb of SLC NAND flash. "S" stands for "small square" since the total board size of the rock-pi-s is 1.7-inches square. This BSP assumes booting from sdmmc, and using ttyS0 for the serial console (similar to Raspberry Pi). The latest version of the binary ddr initializer code from rkbin does not provide a uart0 option, therefore all diagnostic output from rkbin and u-boot is lost on the console (and replaced with a stream of gibberish until the Linux kernel starts). Therefore, by default, the build assumes the user would prefer to see this information and have the option to interact with U-Boot, which means an older version of rkbin is used. The user can override this decision by setting: RKBIN_RK3308_LATEST = "1" Signed-off-by: Trevor Woerner <twoerner@gmail.com> |
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| classes | ||
| conf | ||
| dynamic-layers/qt5-layer/recipes-qt/qt5 | ||
| recipes-bsp | ||
| recipes-graphics/mesa | ||
| recipes-kernel/linux | ||
| wic | ||
| COPYING.MIT | ||
| README | ||
OpenEmbedded BSP layer for Rockchip boards
About:
The purpose of this layer is to provide OpenEmbedded BSP support for
Rockchip-based devices using upstream sources as much as possible.
Dependencies:
URI: git://git.openembedded.org/openembedded-core
layers: meta
branch: matched branches (e.g. master, sumo, ...)
URI: git://git.yoctoproject.org/meta-arm
layers: meta-arm, meta-arm-toolchain
branch: matched branches (e.g. master, sumo, ...)
Status of supported boards:
builds and boots wic image:
nanopi-m4
nanopi-m4-2gb
rock-pi-e
rock-pi-4a
rock-pi-4b
rock-pi-4c
rock64
tinker-board
tinker-board-s
vyasa-rk3288
firefly-rk3288
nanopi-r4s
rock-5b
nanopi-r2s
nanopi-m4b
rock-pi-s
builds:
marsboard-rk3066
radxarock
rock2-square
Notes:
The latest ddr initializer for the rk3308 platform (currently only
used by the rock-pi-s machine) does not output diagnostic messages
to uart0. This causes a bunch of gibberish to be printed to the
console window which only becomes legible once the linux kernel
starts. I.e. the console output of the ddr initialization routine,
as well as u-boot is lost. An older version of this same binary
blob does, however, support output to uart0 (making its diagnostic
messages as well as u-boot available on the console). By default
the build assumes the user would like to see these message and be
able to have the option to interact with u-boot. Iow: for the
rock-pi-s an older version of rkbin is used.
If, however, the user would prefer to use the latest binary ddr
initializer from rkbin, simply set:
RKBIN_RK3308_LATEST = "1"
in the configuration (e.g. conf/local.conf).
Maintenance:
Please send pull requests, patches, comments, or questions to the
yocto mailing list (yocto@lists.yoctoproject.org) CCing the maintainer
When sending patches, please make sure the email subject line includes
"[meta-rockchip][PATCH]" and follow the community's patch submission
guidelines, as described in:
https://www.openembedded.org/wiki/Commit_Patch_Message_Guidelines
https://www.openembedded.org/wiki/How_to_submit_a_patch_to_OpenEmbedded
Please send changes to the yocto mailing list with [meta-rockchip] in the subject line,
cc'ing the maintainer.
This can be configured within the repository with the following commands:
git config sendemail.to yocto@lists.yoctoproject.org
git config sendemail.cc twoerner@gmail.com
git config format.subjectprefix "meta-rockchip] [PATCH"
Then, to send your most recent commit (i.e. just one patch),
please use something like:
git format-patch -M -1
git send-email <your patch file>
Maintainer:
Trevor Woerner <twoerner@gmail.com>
Brief History:
2014 April
- originally started by Julien Chauveau
- Romain Perier joins
2014 Sep
- Julien leaves
2015 Aug
- Trevor Woerner joins
2017 Mar
- developers from Rockchip fork this layer see:
https://github.com/rockchip-linux/meta-rockchip.git
http://rockchip.wikidot.com/yocto-user-guide
2017 May
- Romain leaves
2018 Feb
- Rockchip developers abandon their fork for buildroot
http://opensource.rock-chips.com/wiki_Buildroot