From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Landley Date: Fri, 25 Mar 2016 01:54:13 +0000 Subject: Re: Availability of SH hardware? Message-Id: <56F49A45.2040408@landley.net> List-Id: References: <20160317032441.GA22517@brightrain.aerifal.cx> In-Reply-To: <20160317032441.GA22517@brightrain.aerifal.cx> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org On 03/23/2016 05:05 AM, Magnus Damm wrote: > Hi Rich, > > On Thu, Mar 17, 2016 at 12:24 PM, Rich Felker wrote: >> One of my goals in taking on maintainership of arch/sh is to gradually >> replace all of the hard-coded legacy board/subtype support with device >> tree based board descriptions, and clean up the related board support >> infrastructure in arch/sh to be more in line with how things are done >> on other archs these days. However the ability to make and test these >> changes depends on having some actual hardware to work with. >> >> I'm working on the J-Core (currently J2) open hardware revival of the >> SH architecture and don't have any original SH hardware (except >> perhaps embedded in old appliances). Does anyone have pointers (direct >> add-to-cart'able links) to where SH dev boards are still available, or >> even better, any old hardware lying around that's not being used that >> you'd be willing to donate? >> >> I'm especially interested in getting an SH-X3 board since it seems to >> be the only model with existing SMP support, and moving it over to >> device tree would eliminate the need for keeping around the >> non-device-tree SMP register_smp_ops and cross-core cache invalidation >> infrastructure, which are low-hanging fruit for refactoring/cleanup. >> But really anything would be great to have. > > I have a couple of old SH boards that I can hook up to remote access > for you if that would help. Probably sh775x-based ones and maybe also > something with sh2a. Need to go through my old boxes in the attic to > find more detail. =) > > As for SH-X3, I recall seeing that board IRL at some point on the desk > next to me, but it was pretty rare even at that time so I highly doubt > you will have any luck finding it or any SMP capable SH SoC. > > In the mean time, does the sh4 target in QEMU work in system emulator > mode? I recall user space emulation could run busybox at least. Sure, I have prebuilt system images for that even. http://landley.net/aboriginal/bin/system-image-sh4.tar.gz Most recently tested with the 4.3 kernel, I think? Rob Rob