Re: RFC: PCI SD host controller driver & mmc/mmcsd modules improvements

From: M. Warner Losh <imp_at_bsdimp.com>
Date: Thu, 06 Nov 2008 10:10:47 -0700 (MST)
In message: <49131109.2020601_at_FreeBSD.org>
            Alexander Motin <mav_at_FreeBSD.org> writes:
: Lars Engels wrote:
: > 1. How can I tune the PCI configuration? With pciconf -w or so?
: 
: Yes. `pciconf -r -b device addr` to read and `pciconf -w -b device addr
: value` to write.

I have changes that almost make my TI card do it.

: > 2. Unfortunately the sysctl did not change a thing with regard to the
: > Card reader.
: 
: Have you added it to the loader.conf and rebooted?
: 
: > 3. I added the chip ID and the second device is now recognized as a
: > sdhci device but still does not see any card inserted:
: > 
: > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't specify base
: > clock frequency.
: > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't specify
: > timeout clock frequency.
: > Nov  6 16:32:20 NB0117232 kernel: sdhci1: Hardware doesn't report any
: > support voltages.
: 
: Looks like it is not enough compatible, or even not compatible.

Chances are good that you need to the workaround to turn on these
things.

Warner
Received on Thu Nov 06 2008 - 16:12:11 UTC

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