Re: [Qemu-devel] [PATCH 0/3] sh: SE7750 board support

[Shin-ichiro KAWASAKI]

Hi, Jean.

Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 22:25 Sat 07 Feb     , Shin-ichiro KAWASAKI wrote:
> > Shin-ichiro KAWASAKI wrote:
> > > Hi, all.
> > >
> > > I'm sending a patch series which provide SE7750 := Solution Engine 7750
> > > board emulation.  SE7750 is one of SH4 cpu boards, and uses peripherals
> > > in a different way from r2d+ board.  Then it is useful to check the
> > > maturity of SH4 peripheral emulation.  In fact, two lacks got apparent.
> > >
> > >  - cache flush emulation by "movca.l" and "obci" : thanx to Edgar.
> > >  - SCI := serial communication interface emulation.
> > >
> > > Improvements for them are included in this series. 
> > >
> > > This work is checked with linux 2.6.28 with se7750_defconfig with initramfs. 
> > > I saw login prompt of '/bin/ash' and 'ls' working finely.
> > >
> > > With these patches and linux kernel 2.6.18, we can see Real Time Clock
> > > module causes boot failure, though work for avoiding it is left.
> > > NIC and CF do not work either.
> > Though I posted three patches, I want to make it clear that I cancel them now.
> > Reasons to cancel are as follows.
> >
> >   [PATCH 1/3] sh: SE7750 board definition ... SE7750 board is too old, and
> >                                               not available.
> >   [PATCH 2/3] sh: movca.l cancel by ocbi  ... Vladimir Prus already had
> >                                               posted same patch.
> >   [PATCH 3/3] sh: SCI improvements        ... SCI is not used by boards
> please do not with this one u-boot will not work on the r2d

I'm not yet sure why u-boot on r2d needs SCI.
For serial console, or for SPI connection for RTC?

Please be sure that r2d uses SCI only for SPI/RTC.
If u-boot needs a serial console, it must use SCIF instead of SCI.


Regards,
Shin-ichiro KAWASAKI