while you're about it the cyrix GXM?
On Wed, 8 Dec 1999, Soren Schmidt wrote:
> It seems Richard Seaman, Jr. wrote:
> > On Wed, Dec 08, 1999 at 12:55:35PM +0100, Poul-Henning Kamp wrote:
> > >
> > > In a few days time the wd driver will be retired from FreeBSDs
> > > i386 architecture.
> > >
> >
> > Since the ata driver does not support DMA on my chipset, at
> > least the last time I tried (SiS 5591), it would be nice
> > to leave the wd driver in the tree for a while, even if its
> > not the default. Possibly there are others in the same boat?
>
> OK, you asked for it, following is a patch to support the
> sis 5591 chipset. Remember this is done blindfolded, I
> have no HW to test on, but you guys do :)
>
> Let me know what happens...
>
> Index: ata-all.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/ata/ata-all.c,v
> retrieving revision 1.33
> diff -u -r1.33 ata-all.c
> --- ata-all.c 1999/12/07 22:07:18 1.33
> +++ ata-all.c 1999/12/08 13:57:27
> @@ -195,12 +195,6 @@
> return "Intel PIIX4 ATA controller";
> case 0x522910b9:
> return "AcerLabs Aladdin ATA controller";
> - case 0x4d33105a:
> - return "Promise Ultra/33 ATA controller";
> - case 0x4d38105a:
> - return "Promise Ultra/66 ATA controller";
> - case 0x00041103:
> - return "HighPoint HPT366 ATA controller";
> case 0x05711106: /* 82c586 & 82c686 */
> switch (pci_read_config(dev, 0x08, 1)) {
> case 1:
> @@ -209,6 +203,14 @@
> return "VIA 82C686 ATA controller";
> }
> return "VIA Apollo ATA controller";
> + case 0x55131039:
> + return "SiS 5591 ATA controller";
> + case 0x4d33105a:
> + return "Promise Ultra/33 ATA controller";
> + case 0x4d38105a:
> + return "Promise Ultra/66 ATA controller";
> + case 0x00041103:
> + return "HighPoint HPT366 ATA controller";
>
> /* unsupported but known chipsets, generic DMA only */
> case 0x05961106:
> Index: ata-dma.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/ata/ata-dma.c,v
> retrieving revision 1.21
> diff -u -r1.21 ata-dma.c
> --- ata-dma.c 1999/12/07 22:07:18 1.21
> +++ ata-dma.c 1999/12/08 13:57:34
> @@ -297,6 +297,42 @@
> /* we could set PIO mode timings, but we assume the BIOS did that */
> break;
>
> + case 0x55131039: /* SiS 5591 */
> + devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
> + if (udmamode >= 2) {
> + int16_t word4x = pci_read_config(scp->dev, 0x40 + (devno << 1), 2);
> +
> + pci_write_config(scp->dev, 0x40 + (devno << 1), 0xa301, 2);
> + error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
> + ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
> + if (bootverbose)
> + printf("ata%d: %s: %s setting up UDMA2 mode on SiS chip\n",
> + scp->lun, (device == ATA_MASTER) ? "master" : "slave",
> + (error) ? "failed" : "success");
> + if (!error) {
> + scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
> + return 0;
> + }
> + pci_write_config(scp->dev, 0x40 + (devno << 1), word4x, 2);
> + }
> + if (wdmamode >=2 && apiomode >= 4) {
> + int16_t word4x = pci_read_config(scp->dev, 0x40 + (devno << 1), 2);
> +
> + pci_write_config(scp->dev, 0x40 + (devno << 1), 0x0301, 2);
> + error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
> + ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
> + if (bootverbose)
> + printf("ata%d: %s: %s setting up WDMA2 mode on SiS chip\n",
> + scp->lun, (device == ATA_MASTER) ? "master" : "slave",
> + (error) ? "failed" : "success");
> + if (!error) {
> + scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
> + return 0;
> + }
> + pci_write_config(scp->dev, 0x40 + (devno << 1), word4x, 2);
> + }
> + break;
> +
> case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */
> case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */
> /* the Promise can only do DMA on ATA disks not on ATAPI devices */
>
> -Søren
>
>
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