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Groups > linux.kernel > #1675281
| From | Vineet Gupta <Vineet.Gupta1@synopsys.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | stdout-path (was Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board) |
| Date | 2017-06-27 06:30 +0200 |
| Message-ID | <tWQiv-3Iv-37@gated-at.bofh.it> (permalink) |
| References | <tWDXX-40M-7@gated-at.bofh.it> <tWDXX-40M-5@gated-at.bofh.it> <tWEAG-4e5-9@gated-at.bofh.it> <tWF3I-4Dv-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 06/26/2017 07:25 PM, Alexey Brodkin wrote:
>>> +
>>> + chosen {
>>> + bootargs = "earlycon=uart8250,mmio32,0xf0005000,115200n8 console=ttyS0,115200n8 debug print-fatal-signals=1";
>> Use stdout-path for the console. Really, the bootargs should be blank
>> and populated by the bootloader especially debug options.
> Agree but in case of devboards we quite often disable bootloader and
> load Linux image in memory via JTAG. So in that case bootargs make perfect sense IMH
FWIW, I tried this 2 years ago (v4.1 ish) per pestering by Arnd but at the time I
had to add some hacks in early 8250 driver to get this working for ARC.
See,
http://www.spinics.net/lists/linux-serial/msg17742.html
http://www.spinics.net/lists/linux-serial/msg17747.html
We can certainly revisit this now.
-Vineet
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[PATCH 0/3 v6] hsdk: initial port for HSDK board Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-06-26 17:20 +0200
[PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-06-26 17:20 +0200
Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Rob Herring <robh+dt@kernel.org> - 2017-06-26 18:00 +0200
Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Alexey Brodkin <Alexey.Brodkin@synopsys.com> - 2017-06-26 18:30 +0200
stdout-path (was Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board) Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2017-06-27 06:30 +0200
Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Rob Herring <robh@kernel.org> - 2017-06-29 01:00 +0200
Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-06-29 18:40 +0200
Re: [PATCH 3/3 v6] ARC: hsdk: initial port for HSDK board Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2017-06-29 09:30 +0200
[PATCH 1/3 v6] ARC: Set IO-coherency aperture base to LINUX_LINK_BASE Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-06-26 17:20 +0200
[PATCH 2/3 v6] ARC: Decouple linux kernel memory address and link address Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-06-26 17:20 +0200
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