Re: [Qemu-devel] [PATCH v3 1/4] SSI: Built in multiple device support

[Peter Crosthwaite]

Hi Paul,

Im happy to spend the 10 mins updating stellaris.c accordingly, but is
someone sitting on a binary package and brief instructions or some
such to regression test it? Do you of this machine have some sort of
kernel image handy?

Peter

2012/4/21 Paul Brook <address@hidden>:
>>  /* QEMU Synchronous Serial Interface support.  */
>>
>> -/* In principle SSI is a point-point interface.  As such the qemu
>> -   implementation has a single slave device on a "bus".
>> +/* In principle SSI is a point-point interface.
>>     However it is fairly common for boards to have multiple slaves
>>     connected to a single master, and select devices with an external
>> -   chip select.  This is implemented in qemu by having an explicit mux dev.
>> +   chip select. SSI busses can therefore have any number of slaves,
>> +   of which a master can select using ssi_select_slave().
>>     It is assumed that master and slave are both using the same transfer
>
> This would be much more convincing if you'd also implemented it. In particular
> the lm3s6965evb has two devices (LCD controller and SD card) connected to a
> single SSI controller, and selects between the two by twiddling chip selects.
>
> Paul