Hi, On Sun, 13 Mar 2022 at 06:41, Paweł Jarosz <paweljarosz3...@gmail.com> wrote: > > Hi Kever, > > > > Thanks for you hard working on this, would you mind to share what's the > > motivation for support rk3066 and MK808 board? > > RK3066 is an SoC release at 2012, which has been EOL for a long time, > > and MK808 is a product at 2013, almost 10 years ago. > > > That is true but at least here at Poland there are still rk3066 devices which > you can buy. And i don't think it's an exception. There are known cases > in opensource community of support for hardware much older than 10 years. > I.e. thanks to Linus Torwalds linux still supports EISA FDDI [1]. > There are at least a few rk3066a SOC users and in the spirit of > Linus Torvalds' open source principles, adding support for this > platform is the correct step. > > RK3066 is a great soc to play with. > I use my MK808 for three years now to keep my 3d printer in contact > with my local network. > I have been using the URZ0350 as a wifi camera for a long time. > And guess what! They don't want to break down. > > [1] https://blog.desdelinux.net/en/linus-supports-a-device-by-a-user/ > > > I'm not object for enable more SoC support on the mainline, and I know > > you have spend a lot > > of time on this, I have do something like this before, but to be honest > > I don't think it's a good idea to add support for > > rk3066 on mainline now. > > > I do not agree. > > As long as the world is using armv7 architecture adding support for SOC > rk3066a is a great and noble idea. > I personally am working on following up on my and Johan's patches by > adding support for writing firmware to these devices, using only opensource > tools like u-boot and rkflashtool. This support can be extended to other > devices such as rk3399, rk3568 and others. So other SOCs can also benefit > from adding support for rk3066a. > > I also want to add that Linux actively supports rk3066a [2]. > So if linux supports it, U-BOOT SHOULD ALSO! > > [2] > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/?qt=grep&q=rk3066 > > I appeal to you Kever Yang in the spirit of opensource, don't give up on > rk3066a yet. These devices are there and they work! > > > Thanks > -Paweł > > > I merge the patches from Paweł Jarosz many years ago into rockchip local > > u-boot and make it work, > > I want to make the branch support as much SoCs as possible at that time. > > But later I found there is no people to use > > it, and the U-Boot is getting more and more heavy, old SoC support is > > the one part people want to clean, > > for it always bring in more '#if, #else' or something like this clean up > > series patches, and more terrible thing is how to > > always maintain the source code works on the old hardware. I do make > > everything work for a long time at first, > > but one day my only rk3066 board is broken, and I'm not able to do it > > anymore.
Actually we have much older devices in U-Boot than that! The key thing is to have someone maintaining the board. Regards, SImon
