Date: Tue, 12 Oct 1999 16:23:50 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: "Erik H. Bakke" <erik@habatech.no> Cc: Doug Rabson <dfr@nlsystems.com>, freebsd-alpha@FreeBSD.ORG Subject: Re: Timer problems with current on 164SX Message-ID: <14339.36320.968256.382298@grasshopper.cs.duke.edu> In-Reply-To: <XFMail.991012130736.erik@habatech.no> References: <Pine.BSF.4.10.9910120932590.76404-100000@salmon.nlsystems.com> <XFMail.991012130736.erik@habatech.no>
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Erik H. Bakke writes:
>
> On 12-Oct-99 Doug Rabson wrote:
> >> The PCI-ISA bridge is not probed, and therefore no ISA devices will be
> >> attached.
> >> What changes has been done to this part lately, that could affect this?
> >> And, also, is anyone else experiencing this?
> >
> > I haven't heard anyone. Could you boot with 'boot -flags v' so that I can
> > see what devices pci picks up.
> >
> The output from both kernels are attached to this mail.
> It seems to me that all devices are present on the PCI bus in both kernels,
> but that the ISA bridge for some reason is not being probed.
>
> Hope this is of any help :)
Yes, it does. We're noticing this here.
The monet, miata & the 164sx use the Cypress multi-function chip.
This has an isa bridge, 2 IDE channels, and a USB port hanging off
it. On newer kernels, the IDE driver appears to be claiming all four
functions when it should really only get 2:
This patch fixes it (its not as big as it looks, mainly indentation changes..):
Index: sys/dev/ata//ata-all.c
===================================================================
RCS file: /home/ncvs/src/sys/dev/ata/ata-all.c,v
retrieving revision 1.26
diff -u -r1.26 ata-all.c
--- ata-all.c 1999/10/11 11:04:43 1.26
+++ ata-all.c 1999/10/12 20:17:59
@@ -181,41 +181,43 @@
static const char *
ata_pcimatch(device_t dev)
{
- switch (pci_get_devid(dev)) {
- /* supported chipsets */
- case 0x12308086:
- return "Intel PIIX IDE controller";
- case 0x70108086:
- return "Intel PIIX3 IDE controller";
- case 0x71118086:
- return "Intel PIIX4 IDE controller";
- case 0x522910b9:
- return "AcerLabs Aladdin IDE controller";
- case 0x4d33105a:
- return "Promise Ultra/33 IDE controller";
- case 0x4d38105a:
- return "Promise Ultra/66 IDE controller";
- case 0x00041103:
- return "HighPoint HPT366 IDE controller";
- /* unsupported but known chipsets, generic DMA only */
- case 0x05711106: /* 82c586 */
- case 0x05961106: /* 82c596 */
- return "VIA Apollo IDE controller (generic mode)";
- case 0x06401095:
- return "CMD 640 IDE controller (generic mode)";
- case 0x06461095:
- return "CMD 646 IDE controller (generic mode)";
- case 0xc6931080:
- return "Cypress 82C693 IDE controller (generic mode)";
- case 0x01021078:
- return "Cyrix 5530 IDE controller (generic mode)";
- default:
- if (pci_get_class(dev) == PCIC_STORAGE &&
- (pci_get_subclass(dev) == PCIS_STORAGE_IDE))
+ if (pci_get_class(dev) == PCIC_STORAGE &&
+ pci_get_subclass(dev) == PCIS_STORAGE_IDE){
+ switch (pci_get_devid(dev)) {
+ /* supported chipsets */
+ case 0x12308086:
+ return "Intel PIIX IDE controller";
+ case 0x70108086:
+ return "Intel PIIX3 IDE controller";
+ case 0x71118086:
+ return "Intel PIIX4 IDE controller";
+ case 0x522910b9:
+ return "AcerLabs Aladdin IDE controller";
+ case 0x4d33105a:
+ return "Promise Ultra/33 IDE controller";
+ case 0x4d38105a:
+ return "Promise Ultra/66 IDE controller";
+ case 0x00041103:
+ return "HighPoint HPT366 IDE controller";
+
+ /* unsupported but known chipsets, generic DMA only */
+ case 0x05711106: /* 82c586 */
+ case 0x05961106: /* 82c596 */
+ return "VIA Apollo IDE controller (generic mode)";
+ case 0x06401095:
+ return "CMD 640 IDE controller (generic mode)";
+ case 0x06461095:
+ return "CMD 646 IDE controller (generic mode)";
+ case 0xc6931080:
+ return "Cypress 82C693 IDE controller (generic mode)";
+ case 0x01021078:
+ return "Cyrix 5530 IDE controller (generic mode)";
+ default:
return "Unknown PCI IDE controller (generic mode)";
+ }
+ return NULL;
}
- return NULL;
}
static int
Drew
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