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-rw-r--r--sys/dev/pci/pciide.c19
-rw-r--r--sys/dev/pci/pciide_amd_reg.h7
2 files changed, 20 insertions, 6 deletions
diff --git a/sys/dev/pci/pciide.c b/sys/dev/pci/pciide.c
index c1e72fe876a..6257f350367 100644
--- a/sys/dev/pci/pciide.c
+++ b/sys/dev/pci/pciide.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pciide.c,v 1.56 2001/06/27 05:22:31 deraadt Exp $ */
+/* $OpenBSD: pciide.c,v 1.57 2001/07/19 18:16:22 csapuntz Exp $ */
/* $NetBSD: pciide.c,v 1.110 2001/03/20 17:56:46 bouyer Exp $ */
/*
@@ -305,6 +305,10 @@ const struct pciide_product_desc pciide_amd_products[] = {
0,
amd756_chip_map
},
+ { PCI_PRODUCT_AMD_766_IDE, /* AMD 766 */
+ 0,
+ amd756_chip_map
+ },
};
#ifdef notyet
@@ -1880,7 +1884,14 @@ amd756_chip_map(sc, pa)
}
sc->sc_wdcdev.PIO_cap = 4;
sc->sc_wdcdev.DMA_cap = 2;
- sc->sc_wdcdev.UDMA_cap = 4;
+ switch (sc->sc_pp->ide_product) {
+ case PCI_PRODUCT_AMD_766_IDE:
+ sc->sc_wdcdev.UDMA_cap = 5;
+ break;
+ default:
+ sc->sc_wdcdev.UDMA_cap = 4;
+ break;
+ }
sc->sc_wdcdev.set_modes = amd756_setup_channel;
sc->sc_wdcdev.channels = sc->wdc_chanarray;
sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS;
@@ -1931,6 +1942,8 @@ amd756_setup_channel(chp)
struct pciide_channel *cp = (struct pciide_channel*)chp;
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
#ifndef PCIIDE_AMD756_ENABLEDMA
+ int product = PCI_PRODUCT(
+ pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_ID_REG));
int rev = PCI_REVISION(
pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
#endif
@@ -1975,7 +1988,7 @@ amd756_setup_channel(chp)
* PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if
* triggered.
*/
- if (AMD756_CHIPREV_DISABLEDMA(rev)) {
+ if (AMD756_CHIPREV_DISABLEDMA(product, rev)) {
printf("%s:%d:%d: multi-word DMA disabled due "
"to chip revision\n",
sc->sc_wdcdev.sc_dev.dv_xname,
diff --git a/sys/dev/pci/pciide_amd_reg.h b/sys/dev/pci/pciide_amd_reg.h
index 5bf8012c77e..ca94a951592 100644
--- a/sys/dev/pci/pciide_amd_reg.h
+++ b/sys/dev/pci/pciide_amd_reg.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pciide_amd_reg.h,v 1.3 2001/04/04 07:02:52 csapuntz Exp $ */
+/* $OpenBSD: pciide_amd_reg.h,v 1.4 2001/07/19 18:16:22 csapuntz Exp $ */
/* $NetBSD: pciide_amd_reg.h,v 1.2 2000/07/06 15:08:11 bouyer Exp $ */
/*
@@ -51,7 +51,8 @@
*
* See: http://www.amd.com/products/cpg/athlon/techdocs/pdf/22591.pdf
*/
-#define AMD756_CHIPREV_DISABLEDMA(rev) ((rev) <= AMD756_CHIPREV_D2)
+#define AMD756_CHIPREV_DISABLEDMA(product, rev) \
+ ((product) == PCI_PRODUCT_AMD_PBC756_IDE && (rev) <= AMD756_CHIPREV_D2)
/* Channel enable */
#define AMD756_CHANSTATUS_EN 0x40
@@ -78,4 +79,4 @@ static const int8_t amd756_pio_rec[] = {0x08, 0x08, 0x08, 0x02, 0x00};
#define AMD756_UDMA_EN_MTH(channel, drive) (0x80 << \
(((1 - (channel)) << 4) + ((1 - (drive)) << 3)))
-static const int8_t amd756_udma_tim[] = {0x02, 0x01, 0x00, 0x04, 0x05};
+static const int8_t amd756_udma_tim[] = {0x02, 0x01, 0x00, 0x04, 0x05, 0x06};