Re: [Xen-devel] [PATCH 3/7] pl011: set baud and clock_hz to the right defaults for Versatile Express

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 25 Oct 2012, Ian Campbell wrote:
> Can we get these (or at least the clock_hz) from DTB?

Unfortunately we cannot.


> On Wed, 2012-10-24 at 16:03 +0100, Stefano Stabellini wrote:
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > ---
> >  xen/drivers/char/pl011.c |    4 ++--
> >  1 files changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/xen/drivers/char/pl011.c b/xen/drivers/char/pl011.c
> > index 6af45aa..6ccb73a 100644
> > --- a/xen/drivers/char/pl011.c
> > +++ b/xen/drivers/char/pl011.c
> > @@ -241,8 +241,8 @@ void __init pl011_init(int index, unsigned long 
> > register_base_address)
> >  
> >      uart = &pl011_com[index];
> >  
> > -    uart->clock_hz  = 7372800;
> > -    uart->baud      = 115200;
> > +    uart->clock_hz  = 0x16e3600;
> > +    uart->baud      = 38400;
> >      uart->data_bits = 8;
> >      uart->parity    = PARITY_NONE;
> >      uart->stop_bits = 1;
> 
> 
> 

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