[Angstrom-distro-users] CF Modem (Tosa)

[Graeme Gregory]

On Sat, 6 Oct 2007 16:04:39 +0000 (UTC)
Andrew Zabolotny <zap at homelink.ru> wrote:

> It seems that ttyS0 is some garbage output from kernel module, as on
> my Zaurus 3100 I'm getting similar messages when inserting a GPS card:
> 
> spitz user.notice kernel: pccard: PCMCIA card inserted into slot 1
> spitz user.notice kernel: pcmcia: registering new device pcmcia1.0
> spitz user.warn kernel: pcmcia: request for exclusive IRQ could not be
> fulfilled.
> spitz user.warn kernel: pcmcia: the driver needs updating to supported
> shared IRQ lines.
> spitz user.warn kernel: ttyS0: detected caps 00000700 should be
> 00000100 ^^^^^^^
> spitz user.info kernel: 1.0: ttyS4 at I/O 0xc4840400 (irq = 137) is a
> 16C950/954
> 
> For some reason ttyS3 is left unused (there's even no /dev/ttyS3),
> I'm not common with 3100 hardware yet so I don't know why.
> 
> So this is not a problem as I got my GPS hardware to work (software
> is a different question).
> 

ttyS3 is an internal UART of pxa that happens to not be connected on
zaurus.

ttyS4 is correct for any serial type CF card that is plugged.

I know this because I fixed up our patch to make it that.

Graeme