Messages in this thread | | | Date | Thu, 22 May 2014 11:40:06 -0700 | From | Tony Lindgren <> | Subject | Re: [PATCH] ARM: remove ARM710 specific assembler code |
| |
* Arnd Bergmann <arnd@arndb.de> [140520 13:10]: > On Tuesday 20 May 2014 09:05:13 Tony Lindgren wrote: > > * Arnd Bergmann <arnd@arndb.de> [140519 04:27]: > > > On Saturday 17 May 2014 10:56:02 Catalin Marinas wrote: > > > > > > For the case of ARM710T, I think the last remaining user that can be > > > configured is mach-integrator, but I don't know if anybody even has that > > > CPU tile, or wants to keep using it. If Russell and Linus as the only > > > people that have cared about Integrator in the past years want to > > > cut down the number of supported CPUs, that would be a different matter: > > > quite a number of CPUs are not supported in any other platform. > > > Note that the integrator target in qemu does not support any ARM7, only > > > StrongARM, ARM9 or later. I also double-checked about mach-clps711x, > > > but I'm pretty sure those SoCs are all either ARM710a (no longer supported) > > > or ARM720T (quite active). > > > > Hmm I don't think mach-integrator is using ARM710T? > > I don't know, we don't have a separate Kconfig option, so ARM710T and ARM720T > use the same CONFIG_CPU_ARM720T symbol that can be enabled for integrator. > Without any further information, I assumed that both might potentially be used. > > > The ARM710T was done by NEC and was used by the Psion MX hardware. > > It's very close to ARM720T as far as I remember so might as well keep > > the CPU support for it as that's just a few lines of code in the > > mainline kernel. > > > > I don't think we have any mach directories using ARM710T, but I > > would not be surprised if somebody comes along with device tree > > based booting patches for Psion MX at some point. > > Of course, if someone does this, the CPU support would be the least > of their work ;-)
Right :)
> Just out of curiosity: was that NEC 710T a SoC that replaced the > CL/PS7110, or a standalone CPU that Psion combined with a custom > ASIC?
I think 710T was a pin compatible clone of CL/PS7110 by NEC. The device registers were different both from CL/PS7110 and 720T for most part.
Regards,
Tony
| |