diff options
Diffstat (limited to 'sys/dev/pci')
| -rw-r--r-- | sys/dev/pci/pciide.c | 50 | ||||
| -rw-r--r-- | sys/dev/pci/pciide_piix_reg.h | 15 |
2 files changed, 63 insertions, 2 deletions
diff --git a/sys/dev/pci/pciide.c b/sys/dev/pci/pciide.c index 90ad2b0ba4d..f8c66bd03e6 100644 --- a/sys/dev/pci/pciide.c +++ b/sys/dev/pci/pciide.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pciide.c,v 1.230 2006/03/28 12:56:44 robert Exp $ */ +/* $OpenBSD: pciide.c,v 1.231 2006/04/02 01:36:07 jsg Exp $ */ /* $NetBSD: pciide.c,v 1.127 2001/08/03 01:31:08 tsutsui Exp $ */ /* @@ -2159,6 +2159,7 @@ piixsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) pcireg_t interface = PCI_INTERFACE(pa->pa_class); int channel; bus_size_t cmdsize, ctlsize; + u_int8_t reg; if (pciide_chipen(sc, pa) == 0) return; @@ -2189,6 +2190,53 @@ piixsata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA; sc->sc_wdcdev.set_modes = sata_setup_channel; + /* + * Put the SATA portion of controllers that don't operate in combined + * mode into native PCI modes so the maximum number of devices can be + * used. Intel calls this "enhanced mode" + */ + switch(sc->sc_pp->ide_product) { + /* ICH 5 */ + case PCI_PRODUCT_INTEL_82801EB_SATA: + case PCI_PRODUCT_INTEL_82801ER_SATA: + case PCI_PRODUCT_INTEL_6300ESB_SATA: + case PCI_PRODUCT_INTEL_6300ESB_SATA2: + reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, ICH5_SATA_MAP); + if ((reg & ICH5_SATA_MAP_COMBINED) == 0) { + reg = pciide_pci_read(pa->pa_pc, pa->pa_tag, + ICH5_SATA_PI); + reg |= ICH5_SATA_PI_PRI_NATIVE | + ICH5_SATA_PI_SEC_NATIVE; + pciide_pci_write(pa->pa_pc, pa->pa_tag, + ICH5_SATA_PI, reg); + interface |= PCIIDE_INTERFACE_PCI(0) | + PCIIDE_INTERFACE_PCI(1); + } + break; + /* ICH 6 */ + case PCI_PRODUCT_INTEL_82801FB_SATA: + case PCI_PRODUCT_INTEL_82801FR_SATA: + case PCI_PRODUCT_INTEL_82801FBM_SATA: + /* ICH 7 */ + case PCI_PRODUCT_INTEL_82801GB_SATA_1: + case PCI_PRODUCT_INTEL_82801GB_SATA_3: + case PCI_PRODUCT_INTEL_82801GBM_SATA: + reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, ICH5_SATA_MAP) & + ICH6_SATA_MAP_CMB_MASK; + if (reg != ICH6_SATA_MAP_CMB_PRI && + reg != ICH6_SATA_MAP_CMB_SEC) { + reg = pciide_pci_read(pa->pa_pc, pa->pa_tag, + ICH5_SATA_PI); + reg |= ICH5_SATA_PI_PRI_NATIVE | + ICH5_SATA_PI_SEC_NATIVE; + pciide_pci_write(pa->pa_pc, pa->pa_tag, + ICH5_SATA_PI, reg); + interface |= PCIIDE_INTERFACE_PCI(0) | + PCIIDE_INTERFACE_PCI(1); + } + break; + } + for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) diff --git a/sys/dev/pci/pciide_piix_reg.h b/sys/dev/pci/pciide_piix_reg.h index a4476fa6609..37b1438aac2 100644 --- a/sys/dev/pci/pciide_piix_reg.h +++ b/sys/dev/pci/pciide_piix_reg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: pciide_piix_reg.h,v 1.9 2004/09/24 07:38:38 grange Exp $ */ +/* $OpenBSD: pciide_piix_reg.h,v 1.10 2006/04/02 01:36:07 jsg Exp $ */ /* $NetBSD: pciide_piix_reg.h,v 1.5 2001/01/05 15:29:40 bouyer Exp $ */ /* @@ -128,6 +128,11 @@ static int8_t piix4_sct_udma[] = {0x00, 0x01, 0x02, 0x01, 0x02, 0x01}; */ #define ICH5_SATA_MAP 0x90 /* Address Map Register */ #define ICH5_SATA_MAP_MV_MASK 0x07 /* Map Value mask */ +#define ICH5_SATA_MAP_COMBINED 0x04 /* Combined mode */ + +#define ICH5_SATA_PI 0x09 /* Program Interface register */ +#define ICH5_SATA_PI_PRI_NATIVE 0x01 /* Put Pri IDE channel in native mode */ +#define ICH5_SATA_PI_SEC_NATIVE 0x04 /* Put Sec IDE channel in native mode */ #define ICH_SATA_PCS 0x92 /* Port Control and Status Register */ #define ICH_SATA_PCS_P0E 0x01 /* Port 0 enabled */ @@ -135,4 +140,12 @@ static int8_t piix4_sct_udma[] = {0x00, 0x01, 0x02, 0x01, 0x02, 0x01}; #define ICH_SATA_PCS_P0P 0x10 /* Port 0 present */ #define ICH_SATA_PCS_P1P 0x20 /* Port 1 present */ +/* + * ICH6/ICH7 SATA registers definitions + */ +#define ICH6_SATA_MAP_CMB_MASK 0x03 /* Combined mode bits */ +#define ICH6_SATA_MAP_CMB_PRI 0x01 /* Combined mode, IDE Primary */ +#define ICH6_SATA_MAP_CMB_SEC 0x02 /* Combined mode, IDE Secondary */ + + #endif /* !_DEV_PCI_PCIIDE_PIIX_REG_H_ */ |