[PATCH v11 6/8] arm64: renesas: add Salvator-X board support on DTS
geert at linux-m68k.org
Mon Nov 16 01:53:39 PST 2015
On Tue, Nov 3, 2015 at 3:24 PM, Geert Uytterhoeven <geert at linux-m68k.org> wrote:
> On Thu, Oct 29, 2015 at 8:52 AM, Geert Uytterhoeven
> <geert at linux-m68k.org> wrote:
>> On Fri, Oct 23, 2015 at 9:00 AM, Simon Horman <horms at verge.net.au> wrote:
>>> On Thu, Oct 15, 2015 at 12:01:40PM +0100, Mark Rutland wrote:
>>>> > + stdout-path = &scif2;
>>>> No rate? It would be better to be explicit here; you should be able to
>>>> stdout-path = "serial0:115200n8"
>>>> Where "115200n8" is replaced with whatever configuration this board
>>>> actually has.
>>> I think that we have had this discussion before in relation to
>>> a different board for a different Renesas SoC but I could be mistaken.
>> IIRC, at that time the code to parse the options wasn't upstream yet, so
>> adding the options would have broken the serial console.
>> I can confirm it works fine on Salvator-X with
>> stdout-path = "serial0:115200n8";
> Unfortunately this breaks earlycon support:
> Malformed early option 'earlycon'
> The call to fdt_getprop() in early_init_dt_scan_chosen_serial() fails.
> I guess that unlike the standard console handling code, the fdt code can't
> handle aliases yet?
Apparently this issue was fixed in v4.4-rc1. For the backport team:
Author: Stefan Agner <stefan at agner.ch>
Date: Sat Oct 10 01:29:30 2015 -0700
of/fdt: fix aliases with baudrate in earlycon
> P.S. SCIF earlycon support is not yet upstream, as it still doesn't work on
> arm32 (I discovered today it does on arm64 ;-): it pretends to work, but
> nothing is output to the serial port (until the normal serial console kicks
And this issue is mostly resolved, too. So v4.5 will be perfect ;-)
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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