On Wed, Jun 26, 2024 at 12:04:22AM +0800, Yangyu Chen wrote: > > > > On Jun 19, 2024, at 18:45, Conor Dooley <conor@xxxxxxxxxx> wrote: > > > > On Wed, Apr 10, 2024 at 11:30:25AM +0100, Conor Dooley wrote: > >> From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx> > >> > >> On Mon, 08 Apr 2024 00:26:58 +0800, Yangyu Chen wrote: > >>> K230 is an ideal chip for RISC-V Vector 1.0 evaluation now. Add initial > >>> support for it to allow more people to participate in building drivers > >>> to mainline for it. > >>> > >>> This kernel has been tested upon factory SDK [1] with > >>> k230_evb_only_linux_defconfig and patched mainline opensbi [2] to skip > >>> locked pmp and successfully booted to busybox on initrd with this log [3]. > >>> > >>> [...] > >> > >> Applied to riscv-dt-for-next, thanks! > >> > >> [1/6] dt-bindings: riscv: Add T-HEAD C908 compatible > >> https://git.kernel.org/conor/c/64cbc46bb854 > >> [2/6] dt-bindings: add Canaan K230 boards compatible strings > >> https://git.kernel.org/conor/c/b065da13ea9c > >> [3/6] dt-bindings: timer: Add Canaan K230 CLINT > >> https://git.kernel.org/conor/c/b3ae796d0a4f > >> [4/6] dt-bindings: interrupt-controller: Add Canaan K230 PLIC > >> https://git.kernel.org/conor/c/db54fda11b13 > >> [5/6] riscv: dts: add initial canmv-k230 and k230-evb dts > >> https://git.kernel.org/conor/c/5db2c4dc413e > > > > After some discussion on the k1 thread > > (https://lore.kernel.org/all/ZnEOU7D00J8Jzy-1@xhacker/, https://lore.kernel.org/all/ZnA6pZLkI2StP8Hh@xhacker/) > > I am going to drop this series. It's not very useful in the current > > state and there's not really been any interest from people in getting > > the platform to a more complete state. Jisheng made some good points in > > the k1 thread about the missing clock controller stuff, and I think I'm > > going to make having basic things like clocks and where applicable > > resets and pinctrl the minimum requirement for the platforms I'm looking > > after. > > > > I've thrown these patches into my tree: > > https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/log/?h=k230-basic > > > > I do have one of these boards, but I'm fairly limited at the moment between > > the various linux-related and work demands on my time, so it's pretty > > unlikely that I'll do anything with it myself. > > > > OK. I understand about this. I do some initial support for K230 > only for my evaluation purpose and propose this tree to provide > information for others to boot up a minimal kernel and also have > another patch [1] to have a USB node so we will able to run a distro > like Debian over NFS rootfs by USB ethernet which is on canmv k230 > board. > > But I want to say I may have no time to do further driver development. > I have done this for my evaluation purpose to get some performance > metrics on real RVV chips for research usage since I’m a Ph.D. > student focused on computer architecture. I have to devote my time > to my research work. And thanks, in particular, for doing the initial k230 work. We've got something that boots without having to use the vendor extensions which is great :) > > If anyone wants to do some further driver development, please don’t > hesitate to do so. Don’t imagine I may be doing this, so you may > do duplicate work. I’m too busy to do that. > > [1] https://lore.kernel.org/linux-riscv/tencent_E9B853316D217B8D1E7CDF8288DA5E8ED908@xxxxxx/
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