[BRLTTY] BRLTTY in GRUB2

Vladimir 'φ-coder/phcoder' Serbinenko phcoder at gmail.com
Wed Apr 4 14:23:06 EDT 2012


On 04.04.2012 20:19, Dave Mielke wrote:
> [quoted lines by Vladimir 'φ-coder/phcoder' Serbinenko on 2012/04/04 at 20:10 +0200]
>
>> Is it known that the port is on PCI? On yeeloong few devices internal to
>> CPU use alternate base address.
> Unfortunately, I'm really only familiar with the x86 architecture (and, way 
> back, IBM mainframes). The ports are used for 8250 UART control when the system 
> doesn't provide its own way of doing something. We'd be passing in the port 
> number as fetched from the serial device, with the appropiate offset (for MCR, 
> MSR, etc) added to it.
I'd prefer to keep serial code on GRUB side. As I said it's ok to add
any additional configure fields you might need. UART on longson may be
either on PCI (Geode UART) or in alternate window (on-die UART)
>


-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko


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