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Stephen Chen f7f2878e02 rock-4c-plus: add
ROCK 4C Plus is a Rockchip RK3399-T based SBC from Radxa.

Specs:
- Rockchip RK3399-T, 2x Cortex-A72 @ 1.5GHz, 4x Cortex-A53@1GHz
- Mali T860MP4 GPU
- RaspberryPi 4 form factor
- 64bit LPDDR4
- eMMC
- Micro SD
- SPI Nor Flash
- Two Micro-HDMI (HDMI 4K and HDMI 2K)
- 4-lane MIPI DSI
- MIPI CSI
- GbE LAN with Power over Ethernet (PoE) support
- Wi-Fi 5 and BT5.0 wireless module
- 3.5mm headphone jack
- Four USB ports (two USB2.0 and two USB3.0)
- RTC
- LEDs
- Power button
- Pwm fan
- 40-pin color expansion header

https://wiki.radxa.com/Rock4/4cplus

Signed-off-by: Stephen Chen <stephen@radxa.com>
2024-01-20 16:20:37 -05:00
classes rockchip-gpt-img: fix for new override syntax 2021-08-10 15:31:42 -04:00
conf rock-4c-plus: add 2024-01-20 16:20:37 -05:00
dynamic-layers/qt5-layer/recipes-qt/qt5 switch to the new bitbake OVERRIDE syntax 2021-08-04 21:59:14 -04:00
recipes-bsp rock-3a: add 2024-01-20 16:20:37 -05:00
recipes-graphics/mesa mesa: Enable Panfrost for PX30 2023-06-09 12:40:34 -04:00
recipes-kernel/linux rock-4c-plus: add 2024-01-20 16:20:37 -05:00
wic rockchip.wks: use uuid for /boot during fstab-update 2021-10-05 16:26:13 -04:00
COPYING.MIT Initial commit 2014-04-04 16:25:45 +02:00
README rock-4c-plus: add 2024-01-20 16:20:37 -05:00

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
	rock-5a
	roc-rk3328-cc
	roc-rk3308-cc
	orangepi-5-plus
	rock-3a
	rock-4c-plus
builds:
	marsboard-rk3066
	radxarock
	rock2-square

Notes:

The latest ddr initializer for the rk3308 platform 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 rk3308-based devices, 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