> + - reg-shift : registers offset shift (standard uart_port
field).
> + Property is optional if regshift is zero.
I was hoping to get an idea of what is required here, or when I might
use it?
It looks like the ARCH=ppc code instantiates this with a reg-shift of
2... Is this the e
Stephen Neuendorffer wrote:
>> + - reg-shift : registers offset shift (standard uart_port
> field).
>> + Property is optional if regshift is zero.
>
> I was hoping to get an idea of what is required here, or when I might
> use it?
>
> It looks like the ARCH=ppc code instantiates thi
> -Original Message-
> From: Pavel Kiryukhin [mailto:[EMAIL PROTECTED]
> Sent: Friday, February 15, 2008 9:41 AM
> To: Stephen Neuendorffer
> Cc: linuxppc-dev@ozlabs.org
> Subject: Re: [PATCH] booting-without-of: add Xilinx uart 16550.
>
> Stephen Neuendorffer w
On Sat Feb 16 00:40:01 EST 2008, Pavel Kiryukhin pkiryukhin wrote:
> Add uart 16550 properties description to Xilinx portion of
> booting-without-of.txt
This patch description is a bit weak. How about adding what properties
are being added. Also, as described below, it's going to become more
Grant Likely wrote:
>>Add uart 16550 properties description to Xilinx portion of
>>booting-without-of.txt
>> Signed-off-by: Pavel Kiryukhin <[EMAIL PROTECTED]>
>> ---
>> Documentation/powerpc/booting-without-of.txt | 16 ++--
>> 1 files changed, 14 insertions(+), 2 deletions(-)
>>
On Fri, Feb 15, 2008 at 11:56 AM, Sergei Shtylyov
<[EMAIL PROTECTED]> wrote:
> Grant Likely wrote:
>
> >> + Xilinx uart 16550 device registers are compatible with all
> standard 16540
> >> + and 16550 UARTs.
>
>
> > Not strictly true; the xilinx uart is *almost* compatible with the
>
On Fri, Feb 15, 2008 at 6:40 AM, Pavel Kiryukhin
<[EMAIL PROTECTED]> wrote:
> Add uart 16550 properties description to Xilinx portion of
> booting-without-of.txt
>
> Signed-off-by: Pavel Kiryukhin <[EMAIL PROTECTED]>
> ---
> Documentation/powerpc/booting-without-of.txt | 16 ++--
Grant Likely wrote:
>> >> + Xilinx uart 16550 device registers are compatible with all
>> >> standard 16540
>> >> + and 16550 UARTs.
>> > Not strictly true; the xilinx uart is *almost* compatible with the
>> > ns16550. The same driver can be made to work, but it is not register
>> > l
On Fri, Feb 15, 2008 at 12:14 PM, Sergei Shtylyov
<[EMAIL PROTECTED]> wrote:
> Grant Likely wrote:
> > The registers are not at the same location, therefore it is not compatible.
>
> > However, the *driver* can be easily made compatible with the devices.
> > We just teach the driver to bind agai
> > Instead of attempting to come up with a generic description
> > of this, I recommend just naming it after the actual device
instance;
> > something like compatible="xlnx,opb-uart16550";
>
> Well, that means that we'll need a to add a code which "glues" the
chip to
> 8250.c driver... well,
Hello.
Stephen Neuendorffer wrote:
>>>Instead of attempting to come up with a generic description
>>>of this, I recommend just naming it after the actual device instance;
>>>something like compatible="xlnx,opb-uart16550";
>>Well, that means that we'll need a to add a code which "glues" the
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