Messages in this thread |  | | Date | Tue, 16 Oct 2001 22:35:42 -0700 (PDT) | From | Andre Hedrick <> | Subject | Re: [PATCH] IDE initialization fix |
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Hi Tim,
On Tue, 16 Oct 2001, Tim Hockin wrote:
> Andre Hedrick wrote: > Andre, The summary of the change is this: without this change, the PCI init > for chipsets does not get called. I'll speak specifically about the CSB5. > The CSB5 in non-native mode has a PCI irqline register forced to 0. The > PCI probe then skips it's PCI init and it never gets called.
Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ServerWorks CSB5: IDE controller on PCI bus 00 dev 79 ServerWorks CSB5: chipset revision 146 ServerWorks CSB5: not 100% native mode: will probe irqs later ide0: BM-DMA at 0x08b0-0x08b7, BIOS settings: hda:DMA, hdb:DMA ide1: BM-DMA at 0x08b8-0x08bf, BIOS settings: hdc:DMA, hdd:DMA hda: Maxtor 5T020H2, ATA DISK drive hdb: Maxtor 5T020H2, ATA DISK drive hdc: _NEC DV-5800A, ATAPI CD/DVD-ROM drive hdd: Imation Travan 20GB Tape, ATAPI TAPE drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide1 at 0x170-0x177,0x376 on irq 15 hda: 39062500 sectors (20000 MB) w/2048KiB Cache, CHS=2431/255/63, UDMA(100) hdb: 39062500 sectors (20000 MB) w/2048KiB Cache, CHS=2431/255/63, UDMA(100) hdc: ATAPI 48X DVD-ROM drive, 512kB Cache, UDMA(33)
Oh like this one ??
00:0f.1 IDE interface: ServerWorks: Unknown device 0212 (rev 92) 00: 66 11 12 02 05 00 00 02 92 8a 01 01 08 40 80 00 10: f1 01 00 00 f5 03 00 00 71 01 00 00 75 03 00 00 20: b1 08 00 00 01 10 00 00 00 00 00 00 66 11 12 02 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 40: 20 20 20 20 20 20 20 20 f0 50 44 44 00 00 00 00 50: 00 00 00 00 07 00 55 02 0f 04 03 00 00 00 00 00 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> We then see that there is no file in /proc/ide for the serverworks > chipset. With this fix, there is.
beetle:/proc/ide # cat svwks
ServerWorks CSB5 Chipset. ------------------------------- General Status --------------------------------- --------------- Primary Channel ---------------- Secondary Channel ------------ enabled enabled --------------- drive0 --------- drive1 -------- drive0 ---------- drive1 ------ DMA enabled: yes yes yes yes UDMA enabled: yes yes yes no UDMA enabled: 5 5 2 0 DMA enabled: 2 2 2 2 PIO enabled: 4 4 4 4
> Is there something else we aren't doing, instead? This seems obvious - > there is NOWHERE else that calls the init_chipset() method.
Why are you putting it in non-native mode? Oh, are you trying to run the RAID features?
> I put a printk in the pci_init_svwks routine, and it doesn't get called.
IDE_PCI_DEVID_EQ(d->devid, DEVID_CMD649) || IDE_PCI_DEVID_EQ(d->devid, DEVID_OSB4) || + IDE_PCI_DEVID_EQ(d->devid, DEVID_CSB5) || ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 0x80))) {
Try this....
Andre Hedrick Linux Disk Certification Project Linux ATA Development
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