From: David Daney <ddaney@caviumnetworks.com>
To: "Ardelean, Andrei" <Andrei.Ardelean@idt.com>
Cc: linux-mips@linux-mips.org
Subject: Re: Is it any serial8250 platform driver available?
Date: Fri, 22 Oct 2010 12:31:03 -0700 [thread overview]
Message-ID: <4CC1E677.1090404@caviumnetworks.com> (raw)
In-Reply-To: <AEA634773855ED4CAD999FBB1A66D0760126B496@CORPEXCH1.na.ads.idt.com>
On 10/22/2010 12:23 PM, Ardelean, Andrei wrote:
> Hi,
>
> I am porting MIPS Linux from MALTA to a new board. I ported early
> console code from malta_console.c and I am looking now to use a
> interrupt driven driver for TTY. My UART is compatible with 8250 (1 UART
> port only) but the UART registers are directly mapped in CPU memory map.
> There is no PCI bus. My problem is that the driver implemented in 8250.c
> is very complex and it seems to be hardcode for ISA bus, is it any
> simple platform UART driver available to be directly mapped in the CPU
> space? Can you give me some advice what would be a good approach for my
> case?
>
Many chips have 8250 compatible ports and use 8250.c.
See arch/mips/cavium-octeon/serial.c
David Daeny
next prev parent reply other threads:[~2010-10-22 19:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-22 19:23 Is it any serial8250 platform driver available? Ardelean, Andrei
2010-10-22 19:23 ` Ardelean, Andrei
2010-10-22 19:31 ` David Daney [this message]
2010-10-25 15:37 ` Ardelean, Andrei
2010-10-25 14:53 ` Sergei Shtylyov
2010-10-25 15:37 ` Ardelean, Andrei
2010-10-25 16:43 ` David Daney
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