On Wed, 14 Feb 2024 23:42:58 +0100 "Arnd Bergmann" <arnd@xxxxxxxx> wrote: > On Wed, Feb 14, 2024, at 13:26, Dmitry Baryshkov wrote: > > On Tue, 13 Feb 2024 at 23:22, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote: > >> On Tue, Feb 13, 2024 at 9:12 PM Arnd Bergmann <arnd@xxxxxxxx> wrote: > >> > On Tue, Feb 13, 2024, at 16:36, Guenter Roeck wrote: > >> > > On Tue, Feb 13, 2024 at 03:14:21PM +0000, Peter Maydell wrote: > >> > >> Andrea Adami and Dmitry Eremin-Solenikov did the work in 2017 to > >> modernize it a bit, and Russell helped out. I was under the impression > >> that they only used real hardware though! > > > > I used both Qemu and actual hardware (having collie, poodle, tosa and > > c860 that was easy). > > > > The biggest issue with Zaurus PDAs was that supporting interesting > > parts of the platform (PCMCIA, companion chips) required almost > > rebootstrapping of the corresponding drivers. > > E.g. I had a separate driver for the LoCoMo chip which worked properly > > with the DT systems. > > PCMCIA was a huuuge trouble and it didn't play well at all. The driver > > must be rewritten to use the component framework. > > If we want to actually go there, I think the best option for PCMCIA > support is likely to replace the entire "soc_common" pcmcia driver > with a simple drivers/pata/ storage driver and no support for > other cards. There was a driver until commit 38943cbd25a2 > ("ata: remove palmld pata driver") that could serve as an > template. > hmm, main usage for PCMCIA/CF in those devices was often something else, not storage, at least on the IPAQ h2200. Wondering wether that road is actually good. When I was mainly using those devices, I was not good in mainlining things. I loved that daylight-visible display. Regards, Andreas