[PATCH] tty: amba-pl011: add options to earlycon for 32-bit reg access

Russell King - ARM Linux linux at arm.linux.org.uk
Sat Nov 7 15:02:37 PST 2015


On Sat, Nov 07, 2015 at 05:36:34PM -0500, Peter Hurley wrote:
> On 11/06/2015 01:59 PM, Timur Tabi wrote:
> > On 11/05/2015 08:44 PM, Peter Hurley wrote:
> >> Or better yet, for sbsa32 earlycon, just use the existing port type constructs.
> >> So,
> >>
> >>     earlycon=pl011,mmio32,0x3ced1000
> >>
> >> which will set port->iotype to UPIO_MEM32, which in turn can be used to select
> >> the correct i/o width in pl011_putc().
> > 
> > That's a great idea.  But why aren't we using it for pl011_write()?
> 
> I'll note that when I review Russell's v2 series, if necessary.

And I'm not rushing to post them yet as the merge window is currently
open.

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