Date: Wed, 13 Mar 2002 23:41:39 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: doconnor@gsoft.com.au Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: PCI read config functions Message-ID: <20020313.234139.40854153.imp@village.org> In-Reply-To: <1016009035.1876.72.camel@chowder.gsoft.com.au> References: <1016009035.1876.72.camel@chowder.gsoft.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
In message: <1016009035.1876.72.camel@chowder.gsoft.com.au>
"Daniel O'Connor" <doconnor@gsoft.com.au> writes:
: In the Linux driver there is stuff like ->
: if ((rc = pcibios_read_config_byte(bus, dev_fn, PCI_DC_SIO_PORT,
: &nport)) != PCIBIOS_SUCCESSFUL) break;
:
: And I think the equiv would be ->
: tmp = pci_read_config(dev, PCI_DC_SIO_PORT, /*bytes*/1);
: printf("pccom: number of ports - %d\n", tmp);
:
:
: However this just ends up printing 0.
:
: (PCI_DC_SIO_PORT is 0x2f)
Do you have the right dev?
bcr = pci_read_config(sp->sc->dev, CB_PCI_BRIDGE_CTRL, 2);
is what I use in the pccard bridge pci driver and it works.
Warner
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20020313.234139.40854153.imp>