Re: [Qemu-devel] [PATCH] SH4: SCI improvement

[Shin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp>]

Paul Mundt wrote:
> On Sun, Nov 23, 2008 at 11:41:25PM +0900, Shin-ichiro KAWASAKI wrote:
>> This patch simply implement one register of SH4's SCI := Serial Communication Interface.
>>
>> R2D evaluation board uses SCI for SPI connection.  So, Linux kernel for R2D with
>> default configuration causes a QEMU assertion failure when it initializes SPI driver.
>> This patch avoids it and reduces the kernel config modification work for QEMU.
>>
>> Completing SCI implementation task is left.  Other board support is desirable to confirm
>> this task, which uses SCI for a serial terminal.
>>
>> Regards,
>> Shin-ichiro KAWASAKI
>>
>>
>> Signed-off-by: Shin-ichiro KAWASAKI <kawasaki@juno.dti.ne.jp>
>>
> After this, are you able to use the standard defconfig for R2D? 

Yes.  With current QEMU svn HEAD, we can use rts7751r2dplus_defconfig
with no kernel halts nor segmentation fault.
# USB and NIC are not available, but drivers for them cause no drawbacks.

> If so, I
> can kill off the qemu defconfig in-tree. If not, please send updates for
> the qemu defconfig so we can make sure that the kernel and the qemu tree
> are in sync with regards to feature completeness.

I think the qemu defconfig's role is over.
It's earlier than I expected.  Thank you all!

Regards,
Shin-ichiro KAWASAKI