/* $OpenBSD: pciide.c,v 1.192 2005/04/29 01:11:46 jsg Exp $ */ /* $NetBSD: pciide.c,v 1.127 2001/08/03 01:31:08 tsutsui Exp $ */ /* * Copyright (c) 1999, 2000, 2001 Manuel Bouyer. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Manuel Bouyer. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /* * Copyright (c) 1996, 1998 Christopher G. Demetriou. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * PCI IDE controller driver. * * Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD * sys/dev/pci/ppb.c, revision 1.16). * * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and * "Programming Interface for Bus Master IDE Controller, Revision 1.0 * 5/16/94" from the PCI SIG. * */ #define DEBUG_DMA 0x01 #define DEBUG_XFERS 0x02 #define DEBUG_FUNCS 0x08 #define DEBUG_PROBE 0x10 #ifdef WDCDEBUG #ifndef WDCDEBUG_PCIIDE_MASK #define WDCDEBUG_PCIIDE_MASK 0x00 #endif int wdcdebug_pciide_mask = WDCDEBUG_PCIIDE_MASK; #define WDCDEBUG_PRINT(args, level) do { \ if ((wdcdebug_pciide_mask & (level)) != 0) \ printf args; \ } while (0) #else #define WDCDEBUG_PRINT(args, level) #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* inlines for reading/writing 8-bit PCI registers */ static __inline u_int8_t pciide_pci_read(pci_chipset_tag_t, pcitag_t, int); static __inline void pciide_pci_write(pci_chipset_tag_t, pcitag_t, int, u_int8_t); static __inline u_int8_t pciide_pci_read(pci_chipset_tag_t pc, pcitag_t pa, int reg) { return (pci_conf_read(pc, pa, (reg & ~0x03)) >> ((reg & 0x03) * 8) & 0xff); } static __inline void pciide_pci_write(pci_chipset_tag_t pc, pcitag_t pa, int reg, u_int8_t val) { pcireg_t pcival; pcival = pci_conf_read(pc, pa, (reg & ~0x03)); pcival &= ~(0xff << ((reg & 0x03) * 8)); pcival |= (val << ((reg & 0x03) * 8)); pci_conf_write(pc, pa, (reg & ~0x03), pcival); } void default_chip_map(struct pciide_softc *, struct pci_attach_args *); void sata_chip_map(struct pciide_softc *, struct pci_attach_args *); void sata_setup_channel(struct channel_softc *); void piix_chip_map(struct pciide_softc *, struct pci_attach_args *); void piix_setup_channel(struct channel_softc *); void piix3_4_setup_channel(struct channel_softc *); static u_int32_t piix_setup_idetim_timings(u_int8_t, u_int8_t, u_int8_t); static u_int32_t piix_setup_idetim_drvs(struct ata_drive_datas *); static u_int32_t piix_setup_sidetim_timings(u_int8_t, u_int8_t, u_int8_t); void amd756_chip_map(struct pciide_softc *, struct pci_attach_args *); void amd756_setup_channel(struct channel_softc *); void apollo_chip_map(struct pciide_softc *, struct pci_attach_args *); void apollo_setup_channel(struct channel_softc *); void cmd_chip_map(struct pciide_softc *, struct pci_attach_args *); void cmd0643_9_chip_map(struct pciide_softc *, struct pci_attach_args *); void cmd0643_9_setup_channel(struct channel_softc *); void cmd680_chip_map(struct pciide_softc *, struct pci_attach_args *); void cmd680_setup_channel(struct channel_softc *); void cmd680_channel_map(struct pci_attach_args *, struct pciide_softc *, int); void cmd_channel_map(struct pci_attach_args *, struct pciide_softc *, int); int cmd_pci_intr(void *); void cmd646_9_irqack(struct channel_softc *); void sii3112_chip_map(struct pciide_softc *, struct pci_attach_args *); void sii3112_setup_channel(struct channel_softc *); void sii3112_drv_probe(struct channel_softc *); void sii3114_chip_map(struct pciide_softc *, struct pci_attach_args *); void sii3114_mapreg_dma(struct pciide_softc *, struct pci_attach_args *); int sii3114_chansetup(struct pciide_softc *, int); void sii3114_mapchan(struct pciide_channel *); u_int8_t sii3114_dmacmd_read(struct pciide_softc *, int); void sii3114_dmacmd_write(struct pciide_softc *, int, u_int8_t); u_int8_t sii3114_dmactl_read(struct pciide_softc *, int); void sii3114_dmactl_write(struct pciide_softc *, int, u_int8_t); void sii3114_dmatbl_write(struct pciide_softc *, int, u_int32_t); void cy693_chip_map(struct pciide_softc *, struct pci_attach_args *); void cy693_setup_channel(struct channel_softc *); void sis_chip_map(struct pciide_softc *, struct pci_attach_args *); void sis_setup_channel(struct channel_softc *); void sis96x_setup_channel(struct channel_softc *); int sis_hostbr_match(struct pci_attach_args *); int sis_south_match(struct pci_attach_args *); void natsemi_chip_map(struct pciide_softc *, struct pci_attach_args *); void natsemi_setup_channel(struct channel_softc *); int natsemi_pci_intr(void *); void natsemi_irqack(struct channel_softc *); void ns_scx200_chip_map(struct pciide_softc *, struct pci_attach_args *); void ns_scx200_setup_channel(struct channel_softc *); void acer_chip_map(struct pciide_softc *, struct pci_attach_args *); void acer_setup_channel(struct channel_softc *); int acer_pci_intr(void *); void pdc202xx_chip_map(struct pciide_softc *, struct pci_attach_args *); void pdc202xx_setup_channel(struct channel_softc *); void pdc20268_setup_channel(struct channel_softc *); int pdc202xx_pci_intr(void *); int pdc20265_pci_intr(void *); void pdc20262_dma_start(void *, int, int); int pdc20262_dma_finish(void *, int, int, int); void opti_chip_map(struct pciide_softc *, struct pci_attach_args *); void opti_setup_channel(struct channel_softc *); void hpt_chip_map(struct pciide_softc *, struct pci_attach_args *); void hpt_setup_channel(struct channel_softc *); int hpt_pci_intr(void *); void acard_chip_map(struct pciide_softc *, struct pci_attach_args *); void acard_setup_channel(struct channel_softc *); int acard_pci_intr(void *); void serverworks_chip_map(struct pciide_softc *, struct pci_attach_args *); void serverworks_setup_channel(struct channel_softc *); int serverworks_pci_intr(void *); void nforce_chip_map(struct pciide_softc *, struct pci_attach_args *); void nforce_setup_channel(struct channel_softc *); int nforce_pci_intr(void *); void artisea_chip_map(struct pciide_softc *, struct pci_attach_args *); void ite_chip_map(struct pciide_softc *, struct pci_attach_args *); void ite_setup_channel(struct channel_softc *); u_int8_t pciide_dmacmd_read(struct pciide_softc *, int); void pciide_dmacmd_write(struct pciide_softc *, int, u_int8_t); u_int8_t pciide_dmactl_read(struct pciide_softc *, int); void pciide_dmactl_write(struct pciide_softc *, int, u_int8_t); void pciide_dmatbl_write(struct pciide_softc *, int, u_int32_t); void pciide_channel_dma_setup(struct pciide_channel *); int pciide_dma_table_setup(struct pciide_softc *, int, int); int pciide_dma_init(void *, int, int, void *, size_t, int); void pciide_dma_start(void *, int, int); int pciide_dma_finish(void *, int, int, int); void pciide_irqack(struct channel_softc *); void pciide_print_modes(struct pciide_channel *); void pciide_print_channels(int, pcireg_t); struct pciide_product_desc { u_int32_t ide_product; u_short ide_flags; /* map and setup chip, probe drives */ void (*chip_map)(struct pciide_softc *, struct pci_attach_args *); }; /* Flags for ide_flags */ #define IDE_PCI_CLASS_OVERRIDE 0x0001 /* accept even if class != pciide */ #define IDE_16BIT_IOSPACE 0x0002 /* I/O space BARS ignore upper word */ /* Default product description for devices not known from this controller */ const struct pciide_product_desc default_product_desc = { 0, /* Generic PCI IDE controller */ 0, default_chip_map }; const struct pciide_product_desc pciide_intel_products[] = { { PCI_PRODUCT_INTEL_82092AA, /* Intel 82092AA IDE */ 0, default_chip_map }, { PCI_PRODUCT_INTEL_82371FB_IDE, /* Intel 82371FB IDE (PIIX) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82371SB_IDE, /* Intel 82371SB IDE (PIIX3) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82371AB_IDE, /* Intel 82371AB IDE (PIIX4) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82440MX_IDE, /* Intel 82440MX IDE */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801AA_IDE, /* Intel 82801AA IDE (ICH) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801AB_IDE, /* Intel 82801AB IDE (ICH0) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801BAM_IDE, /* Intel 82801BAM IDE (ICH2) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801BA_IDE, /* Intel 82801BA IDE (ICH2) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801CAM_IDE, /* Intel 82801CAM IDE (ICH3) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801CA_IDE, /* Intel 82801CA IDE (ICH3) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801DB_IDE, /* Intel 82801DB IDE (ICH4) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801DBM_IDE, /* Intel 82801DBM IDE (ICH4-M) */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801EB_IDE, /* Intel 82801EB/ER (ICH5/5R) IDE */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801EB_SATA, /* Intel 82801EB (ICH5) SATA */ 0, piix_chip_map }, { PCI_PRODUCT_INTEL_82801ER_SATA, /* Intel 82801ER (ICH5R) SATA */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, #ifdef notyet { PCI_PRODUCT_INTEL_31244, /* Intel 31244 SATA */ 0, artisea_chip_map }, #endif { PCI_PRODUCT_INTEL_6300ESB_IDE, /* Intel 6300ESB IDE */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_6300ESB_SATA, /* Intel 6300ESB SATA */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_6300ESB_SATA2, /* Intel 6300ESB SATA */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_82801FB_IDE, /* Intel 82801FB (ICH6) IDE */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_82801FBM_IDE, /* Intel 82801FBM (ICH6M) IDE */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_82801FB_SATA, /* Intel 82801FB (ICH6) SATA */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map }, { PCI_PRODUCT_INTEL_82801FR_SATA, /* Intel 82801FR (ICH6R) SATA */ IDE_PCI_CLASS_OVERRIDE, piix_chip_map } }; const struct pciide_product_desc pciide_amd_products[] = { { PCI_PRODUCT_AMD_PBC756_IDE, /* AMD 756 */ 0, amd756_chip_map }, { PCI_PRODUCT_AMD_766_IDE, /* AMD 766 */ 0, amd756_chip_map }, { PCI_PRODUCT_AMD_PBC768_IDE, 0, amd756_chip_map }, { PCI_PRODUCT_AMD_8111_IDE, 0, amd756_chip_map } }; #ifdef notyet const struct pciide_product_desc pciide_opti_products[] = { { PCI_PRODUCT_OPTI_82C621, 0, opti_chip_map }, { PCI_PRODUCT_OPTI_82C568, 0, opti_chip_map }, { PCI_PRODUCT_OPTI_82D568, 0, opti_chip_map } }; #endif const struct pciide_product_desc pciide_cmd_products[] = { { PCI_PRODUCT_CMDTECH_640, /* CMD Technology PCI0640 */ 0, cmd_chip_map }, { PCI_PRODUCT_CMDTECH_643, /* CMD Technology PCI0643 */ 0, cmd0643_9_chip_map }, { PCI_PRODUCT_CMDTECH_646, /* CMD Technology PCI0646 */ 0, cmd0643_9_chip_map }, { PCI_PRODUCT_CMDTECH_648, /* CMD Technology PCI0648 */ IDE_PCI_CLASS_OVERRIDE, cmd0643_9_chip_map }, { PCI_PRODUCT_CMDTECH_649, /* CMD Technology PCI0649 */ IDE_PCI_CLASS_OVERRIDE, cmd0643_9_chip_map }, { PCI_PRODUCT_CMDTECH_680, /* CMD Technology PCI0680 */ IDE_PCI_CLASS_OVERRIDE, cmd680_chip_map }, { PCI_PRODUCT_CMDTECH_3112, /* SiI3112 SATA */ IDE_PCI_CLASS_OVERRIDE, sii3112_chip_map }, { PCI_PRODUCT_CMDTECH_3512, /* SiI3512 SATA */ IDE_PCI_CLASS_OVERRIDE, sii3112_chip_map }, { PCI_PRODUCT_CMDTECH_AAR_1210SA, /* Adaptec AAR-1210SA */ IDE_PCI_CLASS_OVERRIDE, sii3112_chip_map }, { PCI_PRODUCT_CMDTECH_3114, /* SiI3114 */ IDE_PCI_CLASS_OVERRIDE, sii3114_chip_map } }; const struct pciide_product_desc pciide_via_products[] = { { PCI_PRODUCT_VIATECH_VT82C416, /* VIA VT82C416 IDE */ 0, apollo_chip_map }, { PCI_PRODUCT_VIATECH_VT82C571, /* VIA VT82C571 IDE */ 0, apollo_chip_map }, { PCI_PRODUCT_VIATECH_VT8237_SATA, /* VIA VT8237 SATA */ IDE_PCI_CLASS_OVERRIDE, sata_chip_map } }; const struct pciide_product_desc pciide_cypress_products[] = { { PCI_PRODUCT_CONTAQ_82C693, /* Contaq CY82C693 IDE */ IDE_16BIT_IOSPACE, cy693_chip_map } }; const struct pciide_product_desc pciide_sis_products[] = { { PCI_PRODUCT_SIS_5513, /* SIS 5513 EIDE */ 0, sis_chip_map }, { PCI_PRODUCT_SIS_180, /* SIS 180 SATA */ 0, sata_chip_map }, { PCI_PRODUCT_SIS_181, /* SIS 181 SATA */ 0, sata_chip_map }, { PCI_PRODUCT_SIS_182, /* SIS 182 SATA */ 0, sata_chip_map } }; const struct pciide_product_desc pciide_natsemi_products[] = { { PCI_PRODUCT_NS_PC87415, /* National Semi PC87415 IDE */ 0, natsemi_chip_map }, { PCI_PRODUCT_NS_SCx200_IDE, /* National Semi SCx200 IDE */ 0, ns_scx200_chip_map } }; const struct pciide_product_desc pciide_acer_products[] = { { PCI_PRODUCT_ALI_M5229, /* Acer Labs M5229 UDMA IDE */ 0, acer_chip_map } }; const struct pciide_product_desc pciide_triones_products[] = { { PCI_PRODUCT_TRIONES_HPT366, /* Highpoint HPT36x/37x IDE */ IDE_PCI_CLASS_OVERRIDE, hpt_chip_map, }, { PCI_PRODUCT_TRIONES_HPT372A, /* Highpoint HPT372A IDE */ IDE_PCI_CLASS_OVERRIDE, hpt_chip_map }, { PCI_PRODUCT_TRIONES_HPT302, /* Highpoint HPT302 IDE */ IDE_PCI_CLASS_OVERRIDE, hpt_chip_map }, { PCI_PRODUCT_TRIONES_HPT371, /* Highpoint HPT371 IDE */ IDE_PCI_CLASS_OVERRIDE, hpt_chip_map }, { PCI_PRODUCT_TRIONES_HPT374, /* Highpoint HPT374 IDE */ IDE_PCI_CLASS_OVERRIDE, hpt_chip_map } }; const struct pciide_product_desc pciide_promise_products[] = { { PCI_PRODUCT_PROMISE_PDC20246, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20262, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20265, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20267, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20268, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20268R, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20269, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20271, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20275, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20276, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20277, IDE_PCI_CLASS_OVERRIDE, pdc202xx_chip_map, }, { PCI_PRODUCT_PROMISE_PDC20376, /* PDC20376 SATA */ IDE_PCI_CLASS_OVERRIDE, /* XXX: subclass RAID */ pdc202xx_chip_map, } }; const struct pciide_product_desc pciide_acard_products[] = { { PCI_PRODUCT_ACARD_ATP850U, /* Acard ATP850U Ultra33 Controller */ IDE_PCI_CLASS_OVERRIDE, acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP860, /* Acard ATP860 Ultra66 Controller */ IDE_PCI_CLASS_OVERRIDE, acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP860A, /* Acard ATP860-A Ultra66 Controller */ IDE_PCI_CLASS_OVERRIDE, acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP865A, /* Acard ATP865-A Ultra133 Controller */ IDE_PCI_CLASS_OVERRIDE, acard_chip_map, }, { PCI_PRODUCT_ACARD_ATP865R, /* Acard ATP865-R Ultra133 Controller */ IDE_PCI_CLASS_OVERRIDE, acard_chip_map, } }; const struct pciide_product_desc pciide_serverworks_products[] = { { PCI_PRODUCT_RCC_OSB4_IDE, 0, serverworks_chip_map, }, { PCI_PRODUCT_RCC_CSB5_IDE, 0, serverworks_chip_map, }, { PCI_PRODUCT_RCC_CSB6_IDE, 0, serverworks_chip_map, }, { PCI_PRODUCT_RCC_CSB6_IDE2, 0, serverworks_chip_map, } }; const struct pciide_product_desc pciide_nvidia_products[] = { { PCI_PRODUCT_NVIDIA_NFORCE_IDE, 0, nforce_chip_map }, { PCI_PRODUCT_NVIDIA_NFORCE2_IDE, 0, nforce_chip_map }, { PCI_PRODUCT_NVIDIA_NFORCE2_400_IDE, 0, nforce_chip_map }, { PCI_PRODUCT_NVIDIA_NFORCE3_IDE, 0, nforce_chip_map }, { PCI_PRODUCT_NVIDIA_NFORCE3_250_IDE, 0, nforce_chip_map } }; const struct pciide_product_desc pciide_ite_products[] = { { PCI_PRODUCT_ITEXPRESS_IT8212F, IDE_PCI_CLASS_OVERRIDE, ite_chip_map } }; const struct pciide_product_desc pciide_ati_products[] = { { PCI_PRODUCT_ATI_IXP_SATA_400_1, IDE_PCI_CLASS_OVERRIDE, sii3112_chip_map }, { PCI_PRODUCT_ATI_IXP_SATA_400_2, IDE_PCI_CLASS_OVERRIDE, sii3112_chip_map } }; struct pciide_vendor_desc { u_int32_t ide_vendor; const struct pciide_product_desc *ide_products; int ide_nproducts; }; const struct pciide_vendor_desc pciide_vendors[] = { { PCI_VENDOR_INTEL, pciide_intel_products, sizeof(pciide_intel_products)/sizeof(pciide_intel_products[0]) }, { PCI_VENDOR_AMD, pciide_amd_products, sizeof(pciide_amd_products)/sizeof(pciide_amd_products[0]) }, #ifdef notyet { PCI_VENDOR_OPTI, pciide_opti_products, sizeof(pciide_opti_products)/sizeof(pciide_opti_products[0]) }, #endif { PCI_VENDOR_CMDTECH, pciide_cmd_products, sizeof(pciide_cmd_products)/sizeof(pciide_cmd_products[0]) }, { PCI_VENDOR_VIATECH, pciide_via_products, sizeof(pciide_via_products)/sizeof(pciide_via_products[0]) }, { PCI_VENDOR_CONTAQ, pciide_cypress_products, sizeof(pciide_cypress_products)/sizeof(pciide_cypress_products[0]) }, { PCI_VENDOR_SIS, pciide_sis_products, sizeof(pciide_sis_products)/sizeof(pciide_sis_products[0]) }, { PCI_VENDOR_NS, pciide_natsemi_products, sizeof(pciide_natsemi_products)/sizeof(pciide_natsemi_products[0]) }, { PCI_VENDOR_ALI, pciide_acer_products, sizeof(pciide_acer_products)/sizeof(pciide_acer_products[0]) }, { PCI_VENDOR_TRIONES, pciide_triones_products, sizeof(pciide_triones_products)/sizeof(pciide_triones_products[0]) }, { PCI_VENDOR_ACARD, pciide_acard_products, sizeof(pciide_acard_products)/sizeof(pciide_acard_products[0]) }, { PCI_VENDOR_RCC, pciide_serverworks_products, sizeof(pciide_serverworks_products)/sizeof(pciide_serverworks_products[0]) }, { PCI_VENDOR_PROMISE, pciide_promise_products, sizeof(pciide_promise_products)/sizeof(pciide_promise_products[0]) }, { PCI_VENDOR_NVIDIA, pciide_nvidia_products, sizeof(pciide_nvidia_products)/sizeof(pciide_nvidia_products[0]) }, { PCI_VENDOR_ITEXPRESS, pciide_ite_products, sizeof(pciide_ite_products)/sizeof(pciide_ite_products[0]) }, { PCI_VENDOR_ATI, pciide_ati_products, sizeof(pciide_ati_products)/sizeof(pciide_ati_products[0]) } }; /* options passed via the 'flags' config keyword */ #define PCIIDE_OPTIONS_DMA 0x01 int pciide_match(struct device *, void *, void *); void pciide_attach(struct device *, struct device *, void *); struct cfattach pciide_ca = { sizeof(struct pciide_softc), pciide_match, pciide_attach }; struct cfdriver pciide_cd = { NULL, "pciide", DV_DULL }; int pciide_chipen(struct pciide_softc *, struct pci_attach_args *); int pciide_mapregs_compat( struct pci_attach_args *, struct pciide_channel *, int, bus_size_t *, bus_size_t *); int pciide_mapregs_native(struct pci_attach_args *, struct pciide_channel *, bus_size_t *, bus_size_t *, int (*pci_intr)(void *)); void pciide_mapreg_dma(struct pciide_softc *, struct pci_attach_args *); int pciide_chansetup(struct pciide_softc *, int, pcireg_t); void pciide_mapchan(struct pci_attach_args *, struct pciide_channel *, pcireg_t, bus_size_t *, bus_size_t *, int (*pci_intr)(void *)); int pciide_chan_candisable(struct pciide_channel *); void pciide_map_compat_intr( struct pci_attach_args *, struct pciide_channel *, int, int); void pciide_unmap_compat_intr( struct pci_attach_args *, struct pciide_channel *, int, int); int pciide_compat_intr(void *); int pciide_pci_intr(void *); int pciide_intr_flag(struct pciide_channel *); const struct pciide_product_desc *pciide_lookup_product(u_int32_t); const struct pciide_product_desc * pciide_lookup_product(u_int32_t id) { const struct pciide_product_desc *pp; const struct pciide_vendor_desc *vp; int i; for (i = 0, vp = pciide_vendors; i < sizeof(pciide_vendors)/sizeof(pciide_vendors[0]); vp++, i++) if (PCI_VENDOR(id) == vp->ide_vendor) break; if (i == sizeof(pciide_vendors)/sizeof(pciide_vendors[0])) return (NULL); for (pp = vp->ide_products, i = 0; i < vp->ide_nproducts; pp++, i++) if (PCI_PRODUCT(id) == pp->ide_product) break; if (i == vp->ide_nproducts) return (NULL); return (pp); } int pciide_match(struct device *parent, void *match, void *aux) { struct pci_attach_args *pa = aux; const struct pciide_product_desc *pp; /* * Some IDE controllers have severe bugs when used in PCI mode. * We punt and attach them to the ISA bus instead. */ if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_PCTECH && PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_PCTECH_RZ1000) return (0); /* * Check the ID register to see that it's a PCI IDE controller. * If it is, we assume that we can deal with it; it _should_ * work in a standardized way... */ if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE && PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { return (1); } /* * Some controllers (e.g. promise Ultra-33) don't claim to be PCI IDE * controllers. Let see if we can deal with it anyway. */ pp = pciide_lookup_product(pa->pa_id); if (pp && (pp->ide_flags & IDE_PCI_CLASS_OVERRIDE)) { return (1); } return (0); } void pciide_attach(struct device *parent, struct device *self, void *aux) { struct pci_attach_args *pa = aux; pci_chipset_tag_t pc = pa->pa_pc; pcitag_t tag = pa->pa_tag; struct pciide_softc *sc = (struct pciide_softc *)self; pcireg_t csr; sc->sc_pp = pciide_lookup_product(pa->pa_id); if (sc->sc_pp == NULL) sc->sc_pp = &default_product_desc; sc->sc_rev = PCI_REVISION(pa->pa_class); sc->sc_pc = pa->pa_pc; sc->sc_tag = pa->pa_tag; /* Set up DMA defaults; these might be adjusted by chip_map. */ sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX; sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_ALIGN; sc->sc_dmacmd_read = pciide_dmacmd_read; sc->sc_dmacmd_write = pciide_dmacmd_write; sc->sc_dmactl_read = pciide_dmactl_read; sc->sc_dmactl_write = pciide_dmactl_write; sc->sc_dmatbl_write = pciide_dmatbl_write; WDCDEBUG_PRINT((" sc_pc=%p, sc_tag=%p, pa_class=0x%x\n", sc->sc_pc, sc->sc_tag, pa->pa_class), DEBUG_PROBE); sc->sc_pp->chip_map(sc, pa); if (sc->sc_dma_ok) { csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG); csr |= PCI_COMMAND_MASTER_ENABLE; pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr); } WDCDEBUG_PRINT(("pciide: command/status register=0x%x\n", pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE); } /* tell whether the chip is enabled or not */ int pciide_chipen(struct pciide_softc *sc, struct pci_attach_args *pa) { pcireg_t csr; csr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); if ((csr & PCI_COMMAND_IO_ENABLE) == 0 ) { printf("\n%s: device disabled\n", sc->sc_wdcdev.sc_dev.dv_xname); return (0); } return (1); } int pciide_mapregs_compat(struct pci_attach_args *pa, struct pciide_channel *cp, int compatchan, bus_size_t *cmdsizep, bus_size_t *ctlsizep) { struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct channel_softc *wdc_cp = &cp->wdc_channel; cp->compat = 1; *cmdsizep = PCIIDE_COMPAT_CMD_SIZE; *ctlsizep = PCIIDE_COMPAT_CTL_SIZE; wdc_cp->cmd_iot = pa->pa_iot; if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan), PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) { printf("%s: couldn't map %s cmd regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return (0); } wdc_cp->ctl_iot = pa->pa_iot; if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan), PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) { printf("%s: couldn't map %s ctl regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, PCIIDE_COMPAT_CMD_SIZE); return (0); } return (1); } int pciide_mapregs_native(struct pci_attach_args *pa, struct pciide_channel *cp, bus_size_t *cmdsizep, bus_size_t *ctlsizep, int (*pci_intr)(void *)) { struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct channel_softc *wdc_cp = &cp->wdc_channel; const char *intrstr; pci_intr_handle_t intrhandle; pcireg_t maptype; cp->compat = 0; if (sc->sc_pci_ih == NULL) { if (pci_intr_map(pa, &intrhandle) != 0) { printf("%s: couldn't map native-PCI interrupt\n", sc->sc_wdcdev.sc_dev.dv_xname); return (0); } intrstr = pci_intr_string(pa->pa_pc, intrhandle); sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, pci_intr, sc, sc->sc_wdcdev.sc_dev.dv_xname); if (sc->sc_pci_ih != NULL) { printf("%s: using %s for native-PCI interrupt\n", sc->sc_wdcdev.sc_dev.dv_xname, intrstr ? intrstr : "unknown interrupt"); } else { printf("%s: couldn't establish native-PCI interrupt", sc->sc_wdcdev.sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return (0); } } cp->ih = sc->sc_pci_ih; maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCIIDE_REG_CMD_BASE(wdc_cp->channel)); WDCDEBUG_PRINT(("%s: %s cmd regs mapping: %s\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, (maptype == PCI_MAPREG_TYPE_IO ? "I/O" : "memory")), DEBUG_PROBE); if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel), maptype, 0, &wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep, 0) != 0) { printf("%s: couldn't map %s cmd regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return (0); } maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCIIDE_REG_CTL_BASE(wdc_cp->channel)); WDCDEBUG_PRINT(("%s: %s ctl regs mapping: %s\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, (maptype == PCI_MAPREG_TYPE_IO ? "I/O": "memory")), DEBUG_PROBE); if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel), maptype, 0, &wdc_cp->ctl_iot, &cp->ctl_baseioh, NULL, ctlsizep, 0) != 0) { printf("%s: couldn't map %s ctl regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); return (0); } /* * In native mode, 4 bytes of I/O space are mapped for the control * register, the control register is at offset 2. Pass the generic * code a handle for only one byte at the right offset. */ if (bus_space_subregion(wdc_cp->ctl_iot, cp->ctl_baseioh, 2, 1, &wdc_cp->ctl_ioh) != 0) { printf("%s: unable to subregion %s ctl regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep); bus_space_unmap(wdc_cp->cmd_iot, cp->ctl_baseioh, *ctlsizep); return (0); } return (1); } void pciide_mapreg_dma(struct pciide_softc *sc, struct pci_attach_args *pa) { pcireg_t maptype; bus_addr_t addr; /* * Map DMA registers * * Note that sc_dma_ok is the right variable to test to see if * DMA can be done. If the interface doesn't support DMA, * sc_dma_ok will never be non-zero. If the DMA regs couldn't * be mapped, it'll be zero. I.e., sc_dma_ok will only be * non-zero if the interface supports DMA and the registers * could be mapped. * * XXX Note that despite the fact that the Bus Master IDE specs * XXX say that "The bus master IDE function uses 16 bytes of IO * XXX space", some controllers (at least the United * XXX Microelectronics UM8886BF) place it in memory space. */ maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, PCIIDE_REG_BUS_MASTER_DMA); switch (maptype) { case PCI_MAPREG_TYPE_IO: sc->sc_dma_ok = (pci_mapreg_info(pa->pa_pc, pa->pa_tag, PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, &addr, NULL, NULL) == 0); if (sc->sc_dma_ok == 0) { printf(", unused (couldn't query registers)"); break; } if ((sc->sc_pp->ide_flags & IDE_16BIT_IOSPACE) && addr >= 0x10000) { sc->sc_dma_ok = 0; printf(", unused (registers at unsafe address %#lx)", addr); break; } /* FALLTHROUGH */ case PCI_MAPREG_MEM_TYPE_32BIT: sc->sc_dma_ok = (pci_mapreg_map(pa, PCIIDE_REG_BUS_MASTER_DMA, maptype, 0, &sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL, 0) == 0); sc->sc_dmat = pa->pa_dmat; if (sc->sc_dma_ok == 0) { printf(", unused (couldn't map registers)"); } else { sc->sc_wdcdev.dma_arg = sc; sc->sc_wdcdev.dma_init = pciide_dma_init; sc->sc_wdcdev.dma_start = pciide_dma_start; sc->sc_wdcdev.dma_finish = pciide_dma_finish; } break; default: sc->sc_dma_ok = 0; printf(", (unsupported maptype 0x%x)", maptype); break; } } int pciide_intr_flag(struct pciide_channel *cp) { struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int chan = cp->wdc_channel.channel; if (cp->dma_in_progress) { int retry = 10; int status; /* Check the status register */ for (retry = 10; retry > 0; retry--) { status = PCIIDE_DMACTL_READ(sc, chan); if (status & IDEDMA_CTL_INTR) { break; } DELAY(5); } /* Not for us. */ if (retry == 0) return (0); return (1); } return (-1); } int pciide_compat_intr(void *arg) { struct pciide_channel *cp = arg; if (pciide_intr_flag(cp) == 0) return (0); #ifdef DIAGNOSTIC /* should only be called for a compat channel */ if (cp->compat == 0) panic("pciide compat intr called for non-compat chan %p", cp); #endif return (wdcintr(&cp->wdc_channel)); } int pciide_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; rv = 0; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; /* if this channel not waiting for intr, skip */ if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) continue; if (pciide_intr_flag(cp) == 0) continue; crv = wdcintr(wdc_cp); if (crv == 0) ; /* leave rv alone */ else if (crv == 1) rv = 1; /* claim the intr */ else if (rv == 0) /* crv should be -1 in this case */ rv = crv; /* if we've done no better, take it */ } return (rv); } u_int8_t pciide_dmacmd_read(struct pciide_softc *sc, int chan) { return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CMD(chan))); } void pciide_dmacmd_write(struct pciide_softc *sc, int chan, u_int8_t val) { bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CMD(chan), val); } u_int8_t pciide_dmactl_read(struct pciide_softc *sc, int chan) { return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chan))); } void pciide_dmactl_write(struct pciide_softc *sc, int chan, u_int8_t val) { bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chan), val); } void pciide_dmatbl_write(struct pciide_softc *sc, int chan, u_int32_t val) { bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_TBL(chan), val); } void pciide_channel_dma_setup(struct pciide_channel *cp) { int drive; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct ata_drive_datas *drvp; for (drive = 0; drive < 2; drive++) { drvp = &cp->wdc_channel.ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* setup DMA if needed */ if (((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0) || sc->sc_dma_ok == 0) { drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); continue; } if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive) != 0) { /* Abort DMA setup */ drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA); continue; } } } int pciide_dma_table_setup(struct pciide_softc *sc, int channel, int drive) { bus_dma_segment_t seg; int error, rseg; const bus_size_t dma_table_size = sizeof(struct idedma_table) * NIDEDMA_TABLES; struct pciide_dma_maps *dma_maps = &sc->pciide_channels[channel].dma_maps[drive]; /* If table was already allocated, just return */ if (dma_maps->dma_table) return (0); /* Allocate memory for the DMA tables and map it */ if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size, IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0) { printf("%s:%d: unable to allocate table DMA for " "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg, dma_table_size, (caddr_t *)&dma_maps->dma_table, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { printf("%s:%d: unable to map table DMA for" "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, " "phy 0x%lx\n", dma_maps->dma_table, dma_table_size, seg.ds_addr), DEBUG_PROBE); /* Create and load table DMA map for this disk */ if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size, 1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT, &dma_maps->dmamap_table)) != 0) { printf("%s:%d: unable to create table DMA map for " "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } if ((error = bus_dmamap_load(sc->sc_dmat, dma_maps->dmamap_table, dma_maps->dma_table, dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) { printf("%s:%d: unable to load table DMA map for " "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n", dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE); /* Create a xfer DMA map for this drive */ if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX, NIDEDMA_TABLES, sc->sc_dma_maxsegsz, sc->sc_dma_boundary, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &dma_maps->dmamap_xfer)) != 0) { printf("%s:%d: unable to create xfer DMA map for " "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } return (0); } int pciide_dma_init(void *v, int channel, int drive, void *databuf, size_t datalen, int flags) { struct pciide_softc *sc = v; int error, seg; struct pciide_channel *cp = &sc->pciide_channels[channel]; struct pciide_dma_maps *dma_maps = &sc->pciide_channels[channel].dma_maps[drive]; #ifndef BUS_DMA_RAW #define BUS_DMA_RAW 0 #endif error = bus_dmamap_load(sc->sc_dmat, dma_maps->dmamap_xfer, databuf, datalen, NULL, BUS_DMA_NOWAIT|BUS_DMA_RAW); if (error) { printf("%s:%d: unable to load xfer DMA map for" "drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, error); return (error); } bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, dma_maps->dmamap_xfer->dm_mapsize, (flags & WDC_DMA_READ) ? BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) { #ifdef DIAGNOSTIC /* A segment must not cross a 64k boundary */ { u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr; u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len; if ((phys & ~IDEDMA_BYTE_COUNT_MASK) != ((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) { printf("pciide_dma: segment %d physical addr 0x%lx" " len 0x%lx not properly aligned\n", seg, phys, len); panic("pciide_dma: buf align"); } } #endif dma_maps->dma_table[seg].base_addr = htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_addr); dma_maps->dma_table[seg].byte_count = htole32(dma_maps->dmamap_xfer->dm_segs[seg].ds_len & IDEDMA_BYTE_COUNT_MASK); WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n", seg, letoh32(dma_maps->dma_table[seg].byte_count), letoh32(dma_maps->dma_table[seg].base_addr)), DEBUG_DMA); } dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |= htole32(IDEDMA_BYTE_COUNT_EOT); bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0, dma_maps->dmamap_table->dm_mapsize, BUS_DMASYNC_PREWRITE); /* Maps are ready. Start DMA function */ #ifdef DIAGNOSTIC if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) { printf("pciide_dma_init: addr 0x%lx not properly aligned\n", dma_maps->dmamap_table->dm_segs[0].ds_addr); panic("pciide_dma_init: table align"); } #endif /* Clear status bits */ PCIIDE_DMACTL_WRITE(sc, channel, PCIIDE_DMACTL_READ(sc, channel)); /* Write table addr */ PCIIDE_DMATBL_WRITE(sc, channel, dma_maps->dmamap_table->dm_segs[0].ds_addr); /* set read/write */ PCIIDE_DMACMD_WRITE(sc, channel, ((flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE : 0) | cp->idedma_cmd); /* remember flags */ dma_maps->dma_flags = flags; return (0); } void pciide_dma_start(void *v, int channel, int drive) { struct pciide_softc *sc = v; WDCDEBUG_PRINT(("pciide_dma_start\n"), DEBUG_XFERS); PCIIDE_DMACMD_WRITE(sc, channel, PCIIDE_DMACMD_READ(sc, channel) | IDEDMA_CMD_START); sc->pciide_channels[channel].dma_in_progress = 1; } int pciide_dma_finish(void *v, int channel, int drive, int force) { struct pciide_softc *sc = v; struct pciide_channel *cp = &sc->pciide_channels[channel]; u_int8_t status; int error = 0; struct pciide_dma_maps *dma_maps = &sc->pciide_channels[channel].dma_maps[drive]; sc->pciide_channels[channel].dma_in_progress = 0; status = PCIIDE_DMACTL_READ(sc, channel); WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status), DEBUG_XFERS); if (force == 0 && (status & IDEDMA_CTL_INTR) == 0) return (WDC_DMAST_NOIRQ); /* stop DMA channel */ PCIIDE_DMACMD_WRITE(sc, channel, ((dma_maps->dma_flags & WDC_DMA_READ) ? 0x00 : IDEDMA_CMD_WRITE) | cp->idedma_cmd); /* Unload the map of the data buffer */ bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0, dma_maps->dmamap_xfer->dm_mapsize, (dma_maps->dma_flags & WDC_DMA_READ) ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer); /* Clear status bits */ PCIIDE_DMACTL_WRITE(sc, channel, status); if ((status & IDEDMA_CTL_ERR) != 0) { printf("%s:%d:%d: bus-master DMA error: status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); error |= WDC_DMAST_ERR; } if ((status & IDEDMA_CTL_INTR) == 0) { printf("%s:%d:%d: bus-master DMA error: missing interrupt, " "status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status); error |= WDC_DMAST_NOIRQ; } if ((status & IDEDMA_CTL_ACT) != 0) { /* data underrun, may be a valid condition for ATAPI */ error |= WDC_DMAST_UNDER; } return (error); } void pciide_irqack(struct channel_softc *chp) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int chan = chp->channel; /* clear status bits in IDE DMA registers */ PCIIDE_DMACTL_WRITE(sc, chan, PCIIDE_DMACTL_READ(sc, chan)); } /* some common code used by several chip_map */ int pciide_chansetup(struct pciide_softc *sc, int channel, pcireg_t interface) { struct pciide_channel *cp = &sc->pciide_channels[channel]; sc->wdc_chanarray[channel] = &cp->wdc_channel; cp->name = PCIIDE_CHANNEL_NAME(channel); cp->wdc_channel.channel = channel; cp->wdc_channel.wdc = &sc->sc_wdcdev; cp->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); if (cp->wdc_channel.ch_queue == NULL) { printf("%s: %s " "cannot allocate memory for command queue", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return (0); } cp->hw_ok = 1; return (1); } /* some common code used by several chip channel_map */ void pciide_mapchan(struct pci_attach_args *pa, struct pciide_channel *cp, pcireg_t interface, bus_size_t *cmdsizep, bus_size_t *ctlsizep, int (*pci_intr)(void *)) { struct channel_softc *wdc_cp = &cp->wdc_channel; if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep, pci_intr); else cp->hw_ok = pciide_mapregs_compat(pa, cp, wdc_cp->channel, cmdsizep, ctlsizep); if (cp->hw_ok == 0) return; wdc_cp->data32iot = wdc_cp->cmd_iot; wdc_cp->data32ioh = wdc_cp->cmd_ioh; wdcattach(wdc_cp); } /* * Generic code to call to know if a channel can be disabled. Return 1 * if channel can be disabled, 0 if not */ int pciide_chan_candisable(struct pciide_channel *cp) { struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct channel_softc *wdc_cp = &cp->wdc_channel; if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 && (wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) { printf("%s: %s disabled (no drives)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); cp->hw_ok = 0; return (1); } return (0); } /* * generic code to map the compat intr if hw_ok=1 and it is a compat channel. * Set hw_ok=0 on failure */ void pciide_map_compat_intr(struct pci_attach_args *pa, struct pciide_channel *cp, int compatchan, int interface) { struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct channel_softc *wdc_cp = &cp->wdc_channel; if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) return; cp->compat = 1; cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev, pa, compatchan, pciide_compat_intr, cp); if (cp->ih == NULL) { printf("%s: no compatibility interrupt for use by %s\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); cp->hw_ok = 0; } } /* * generic code to unmap the compat intr if hw_ok=1 and it is a compat channel. * Set hw_ok=0 on failure */ void pciide_unmap_compat_intr(struct pci_attach_args *pa, struct pciide_channel *cp, int compatchan, int interface) { struct channel_softc *wdc_cp = &cp->wdc_channel; if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0) return; pciide_machdep_compat_intr_disestablish(pa->pa_pc, cp->ih); } void pciide_print_channels(int nchannels, pcireg_t interface) { int i; for (i = 0; i < nchannels; i++) { printf(", %s %s to %s", PCIIDE_CHANNEL_NAME(i), (interface & PCIIDE_INTERFACE_SETTABLE(i)) ? "configured" : "wired", (interface & PCIIDE_INTERFACE_PCI(i)) ? "native-PCI" : "compatibility"); } printf("\n"); } void pciide_print_modes(struct pciide_channel *cp) { wdc_print_current_modes(&cp->wdc_channel); } void default_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); pcireg_t csr; int channel, drive; struct ata_drive_datas *drvp; u_int8_t idedma_ctl; bus_size_t cmdsize, ctlsize; char *failreason; if (pciide_chipen(sc, pa) == 0) return; if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { printf(": DMA"); if (sc->sc_pp == &default_product_desc && (sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags & PCIIDE_OPTIONS_DMA) == 0) { printf(" (unsupported)"); sc->sc_dma_ok = 0; } else { pciide_mapreg_dma(sc, pa); if (sc->sc_dma_ok != 0) printf(", (partial support)"); } } else { printf(": no DMA"); sc->sc_dma_ok = 0; } if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 0; sc->sc_wdcdev.DMA_cap = 0; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if (interface & PCIIDE_INTERFACE_PCI(channel)) { cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, pciide_pci_intr); } else { cp->hw_ok = pciide_mapregs_compat(pa, cp, channel, &cmdsize, &ctlsize); } if (cp->hw_ok == 0) continue; /* * Check to see if something appears to be there. */ failreason = NULL; pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; if (!wdcprobe(&cp->wdc_channel)) { failreason = "not responding; disabled or no drives?"; goto next; } /* * Now, make sure it's actually attributable to this PCI IDE * channel by trying to access the channel again while the * PCI IDE controller's I/O space is disabled. (If the * channel no longer appears to be there, it belongs to * this controller.) YUCK! */ csr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG); pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, csr & ~PCI_COMMAND_IO_ENABLE); if (wdcprobe(&cp->wdc_channel)) failreason = "other hardware responding at addresses"; pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, csr); next: if (failreason) { printf("%s: %s ignored (%s)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, failreason); cp->hw_ok = 0; pciide_unmap_compat_intr(pa, cp, channel, interface); bus_space_unmap(cp->wdc_channel.cmd_iot, cp->wdc_channel.cmd_ioh, cmdsize); if (interface & PCIIDE_INTERFACE_PCI(channel)) bus_space_unmap(cp->wdc_channel.ctl_iot, cp->ctl_baseioh, ctlsize); else bus_space_unmap(cp->wdc_channel.ctl_iot, cp->wdc_channel.ctl_ioh, ctlsize); } if (cp->hw_ok) { cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; wdcattach(&cp->wdc_channel); } } if (sc->sc_dma_ok == 0) return; /* Allocate DMA maps */ for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { idedma_ctl = 0; cp = &sc->pciide_channels[channel]; for (drive = 0; drive < 2; drive++) { drvp = &cp->wdc_channel.ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if ((drvp->drive_flags & DRIVE_DMA) == 0) continue; if (pciide_dma_table_setup(sc, channel, drive) != 0) { /* Abort DMA setup */ printf("%s:%d:%d: cannot allocate DMA maps, " "using PIO transfers\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive); drvp->drive_flags &= ~DRIVE_DMA; } printf("%s:%d:%d: using DMA data transfers\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } if (idedma_ctl != 0) { /* Add software bits in status register */ PCIIDE_DMACTL_WRITE(sc, channel, idedma_ctl); } } } void sata_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); int channel; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; if (interface == 0) { WDCDEBUG_PRINT(("sata_chip_map interface == 0\n"), DEBUG_PROBE); interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } printf(": DMA"); pciide_mapreg_dma(sc, pa); printf("\n"); if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA | WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 6; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA; sc->sc_wdcdev.set_modes = sata_setup_channel; for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); sata_setup_channel(&cp->wdc_channel); } } void sata_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if (drvp->drive_flags & DRIVE_DMA) { idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } } /* * Nothing to do to setup modes; it is meaningless in S-ATA * (but many S-ATA drives still want to get the SET_FEATURE * command). */ if (idedma_ctl != 0) { /* Add software bits in status register */ PCIIDE_DMACTL_WRITE(sc, chp->channel, idedma_ctl); } pciide_print_modes(cp); } void piix_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; u_int32_t idetim; bus_size_t cmdsize, ctlsize; pcireg_t interface = PCI_INTERFACE(pa->pa_class); if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_INTEL_82371AB_IDE: case PCI_PRODUCT_INTEL_82440MX_IDE: case PCI_PRODUCT_INTEL_82801AA_IDE: case PCI_PRODUCT_INTEL_82801AB_IDE: case PCI_PRODUCT_INTEL_82801BAM_IDE: case PCI_PRODUCT_INTEL_82801BA_IDE: case PCI_PRODUCT_INTEL_82801CAM_IDE: case PCI_PRODUCT_INTEL_82801CA_IDE: case PCI_PRODUCT_INTEL_82801DB_IDE: case PCI_PRODUCT_INTEL_82801DBM_IDE: case PCI_PRODUCT_INTEL_82801EB_IDE: case PCI_PRODUCT_INTEL_82801EB_SATA: case PCI_PRODUCT_INTEL_82801ER_SATA: case PCI_PRODUCT_INTEL_6300ESB_IDE: case PCI_PRODUCT_INTEL_6300ESB_SATA: case PCI_PRODUCT_INTEL_6300ESB_SATA2: case PCI_PRODUCT_INTEL_82801FB_IDE: case PCI_PRODUCT_INTEL_82801FBM_IDE: case PCI_PRODUCT_INTEL_82801FB_SATA: case PCI_PRODUCT_INTEL_82801FR_SATA: sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; break; } } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_INTEL_82801AA_IDE: sc->sc_wdcdev.UDMA_cap = 4; break; case PCI_PRODUCT_INTEL_82801BAM_IDE: case PCI_PRODUCT_INTEL_82801BA_IDE: case PCI_PRODUCT_INTEL_82801CAM_IDE: case PCI_PRODUCT_INTEL_82801CA_IDE: case PCI_PRODUCT_INTEL_82801DB_IDE: case PCI_PRODUCT_INTEL_82801DBM_IDE: case PCI_PRODUCT_INTEL_82801EB_IDE: case PCI_PRODUCT_INTEL_82801EB_SATA: case PCI_PRODUCT_INTEL_82801ER_SATA: case PCI_PRODUCT_INTEL_6300ESB_IDE: case PCI_PRODUCT_INTEL_6300ESB_SATA: case PCI_PRODUCT_INTEL_6300ESB_SATA2: case PCI_PRODUCT_INTEL_82801FB_IDE: case PCI_PRODUCT_INTEL_82801FBM_IDE: case PCI_PRODUCT_INTEL_82801FB_SATA: case PCI_PRODUCT_INTEL_82801FR_SATA: sc->sc_wdcdev.UDMA_cap = 5; break; default: sc->sc_wdcdev.UDMA_cap = 2; break; } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801ER_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA2 || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FR_SATA) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_SATA; sc->sc_wdcdev.set_modes = sata_setup_channel; } else if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371FB_IDE) { sc->sc_wdcdev.set_modes = piix_setup_channel; } else { sc->sc_wdcdev.set_modes = piix3_4_setup_channel; } sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801ER_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA2 || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FR_SATA) goto chansetup; WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), DEBUG_PROBE); if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { WDCDEBUG_PRINT((", sidetim=0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), DEBUG_PROBE); if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { WDCDEBUG_PRINT((", udamreg 0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), DEBUG_PROBE); } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FBM_IDE) { WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), DEBUG_PROBE); } } WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); chansetup: for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; /* SATA setup */ if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801ER_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FR_SATA) { if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) continue; sc->sc_wdcdev.set_modes(&cp->wdc_channel); continue; } /* PIIX is compat-only */ if (pciide_chansetup(sc, channel, 0) == 0) continue; idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); if ((PIIX_IDETIM_READ(idetim, channel) & PIIX_IDETIM_IDE) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } /* PIIX are compat-only pciide devices */ pciide_map_compat_intr(pa, cp, channel, 0); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) goto next; if (pciide_chan_candisable(cp)) { idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE, channel); pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); } if (cp->hw_ok == 0) goto next; sc->sc_wdcdev.set_modes(&cp->wdc_channel); next: if (cp->hw_ok == 0) pciide_unmap_compat_intr(pa, cp, channel, 0); } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801ER_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_SATA2 || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_SATA || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FR_SATA) return; WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), DEBUG_PROBE); if (sc->sc_pp->ide_product != PCI_PRODUCT_INTEL_82371FB_IDE) { WDCDEBUG_PRINT((", sidetim=0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), DEBUG_PROBE); if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { WDCDEBUG_PRINT((", udamreg 0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)), DEBUG_PROBE); } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FBM_IDE) { WDCDEBUG_PRINT((", IDE_CONTROL 0x%x", pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG)), DEBUG_PROBE); } } WDCDEBUG_PRINT(("\n"), DEBUG_PROBE); } void piix_setup_channel(struct channel_softc *chp) { u_int8_t mode[2], drive; u_int32_t oidetim, idetim, idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive; oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel); idedma_ctl = 0; /* set up new idetim: Enable IDE registers decode */ idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, chp->channel); /* setup DMA */ pciide_channel_dma_setup(cp); /* * Here we have to mess up with drives mode: PIIX can't have * different timings for master and slave drives. * We need to find the best combination. */ /* If both drives supports DMA, take the lower mode */ if ((drvp[0].drive_flags & DRIVE_DMA) && (drvp[1].drive_flags & DRIVE_DMA)) { mode[0] = mode[1] = min(drvp[0].DMA_mode, drvp[1].DMA_mode); drvp[0].DMA_mode = mode[0]; drvp[1].DMA_mode = mode[1]; goto ok; } /* * If only one drive supports DMA, use its mode, and * put the other one in PIO mode 0 if mode not compatible */ if (drvp[0].drive_flags & DRIVE_DMA) { mode[0] = drvp[0].DMA_mode; mode[1] = drvp[1].PIO_mode; if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] || piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]]) mode[1] = drvp[1].PIO_mode = 0; goto ok; } if (drvp[1].drive_flags & DRIVE_DMA) { mode[1] = drvp[1].DMA_mode; mode[0] = drvp[0].PIO_mode; if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] || piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]]) mode[0] = drvp[0].PIO_mode = 0; goto ok; } /* * If both drives are not DMA, takes the lower mode, unless * one of them is PIO mode < 2 */ if (drvp[0].PIO_mode < 2) { mode[0] = drvp[0].PIO_mode = 0; mode[1] = drvp[1].PIO_mode; } else if (drvp[1].PIO_mode < 2) { mode[1] = drvp[1].PIO_mode = 0; mode[0] = drvp[0].PIO_mode; } else { mode[0] = mode[1] = min(drvp[1].PIO_mode, drvp[0].PIO_mode); drvp[0].PIO_mode = mode[0]; drvp[1].PIO_mode = mode[1]; } ok: /* The modes are setup */ for (drive = 0; drive < 2; drive++) { if (drvp[drive].drive_flags & DRIVE_DMA) { idetim |= piix_setup_idetim_timings( mode[drive], 1, chp->channel); goto end; } } /* If we are there, none of the drives are DMA */ if (mode[0] >= 2) idetim |= piix_setup_idetim_timings( mode[0], 0, chp->channel); else idetim |= piix_setup_idetim_timings( mode[1], 0, chp->channel); end: /* * timing mode is now set up in the controller. Enable * it per-drive */ for (drive = 0; drive < 2; drive++) { /* If no drive, skip */ if ((drvp[drive].drive_flags & DRIVE) == 0) continue; idetim |= piix_setup_idetim_drvs(&drvp[drive]); if (drvp[drive].drive_flags & DRIVE_DMA) idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); pciide_print_modes(cp); } void piix3_4_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; u_int32_t oidetim, idetim, sidetim, udmareg, ideconf, idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int drive; int channel = chp->channel; oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM); sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM); udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG); ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_CONFIG); idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, channel); sidetim &= ~(PIIX_SIDETIM_ISP_MASK(channel) | PIIX_SIDETIM_RTC_MASK(channel)); idedma_ctl = 0; /* If channel disabled, no need to go further */ if ((PIIX_IDETIM_READ(oidetim, channel) & PIIX_IDETIM_IDE) == 0) return; /* set up new idetim: Enable IDE registers decode */ idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, channel); /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { udmareg &= ~(PIIX_UDMACTL_DRV_EN(channel, drive) | PIIX_UDMATIM_SET(0x3, channel, drive)); drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if (((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0)) goto pio; if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FBM_IDE) { ideconf |= PIIX_CONFIG_PINGPONG; } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BAM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801BA_IDE|| sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CAM_IDE|| sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801CA_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801DBM_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801EB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_6300ESB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FB_IDE || sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801FBM_IDE) { /* setup Ultra/100 */ if (drvp->UDMA_mode > 2 && (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) drvp->UDMA_mode = 2; if (drvp->UDMA_mode > 4) { ideconf |= PIIX_CONFIG_UDMA100(channel, drive); } else { ideconf &= ~PIIX_CONFIG_UDMA100(channel, drive); if (drvp->UDMA_mode > 2) { ideconf |= PIIX_CONFIG_UDMA66(channel, drive); } else { ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); } } } if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82801AA_IDE) { /* setup Ultra/66 */ if (drvp->UDMA_mode > 2 && (ideconf & PIIX_CONFIG_CR(channel, drive)) == 0) drvp->UDMA_mode = 2; if (drvp->UDMA_mode > 2) ideconf |= PIIX_CONFIG_UDMA66(channel, drive); else ideconf &= ~PIIX_CONFIG_UDMA66(channel, drive); } if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && (drvp->drive_flags & DRIVE_UDMA)) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; udmareg |= PIIX_UDMACTL_DRV_EN( channel, drive); udmareg |= PIIX_UDMATIM_SET( piix4_sct_udma[drvp->UDMA_mode], channel, drive); } else { /* use Multiword DMA */ drvp->drive_flags &= ~DRIVE_UDMA; if (drive == 0) { idetim |= piix_setup_idetim_timings( drvp->DMA_mode, 1, channel); } else { sidetim |= piix_setup_sidetim_timings( drvp->DMA_mode, 1, channel); idetim =PIIX_IDETIM_SET(idetim, PIIX_IDETIM_SITRE, channel); } } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: /* use PIO mode */ idetim |= piix_setup_idetim_drvs(drvp); if (drive == 0) { idetim |= piix_setup_idetim_timings( drvp->PIO_mode, 0, channel); } else { sidetim |= piix_setup_sidetim_timings( drvp->PIO_mode, 0, channel); idetim =PIIX_IDETIM_SET(idetim, PIIX_IDETIM_SITRE, channel); } } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim); pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim); pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg); pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_CONFIG, ideconf); pciide_print_modes(cp); } /* setup ISP and RTC fields, based on mode */ static u_int32_t piix_setup_idetim_timings(u_int8_t mode, u_int8_t dma, u_int8_t channel) { if (dma) return (PIIX_IDETIM_SET(0, PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) | PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]), channel)); else return (PIIX_IDETIM_SET(0, PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) | PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]), channel)); } /* setup DTE, PPE, IE and TIME field based on PIO mode */ static u_int32_t piix_setup_idetim_drvs(struct ata_drive_datas *drvp) { u_int32_t ret = 0; struct channel_softc *chp = drvp->chnl_softc; u_int8_t channel = chp->channel; u_int8_t drive = drvp->drive; /* * If drive is using UDMA, timings setups are independant * So just check DMA and PIO here. */ if (drvp->drive_flags & DRIVE_DMA) { /* if mode = DMA mode 0, use compatible timings */ if ((drvp->drive_flags & DRIVE_DMA) && drvp->DMA_mode == 0) { drvp->PIO_mode = 0; return (ret); } ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); /* * PIO and DMA timings are the same, use fast timings for PIO * too, else use compat timings. */ if ((piix_isp_pio[drvp->PIO_mode] != piix_isp_dma[drvp->DMA_mode]) || (piix_rtc_pio[drvp->PIO_mode] != piix_rtc_dma[drvp->DMA_mode])) drvp->PIO_mode = 0; /* if PIO mode <= 2, use compat timings for PIO */ if (drvp->PIO_mode <= 2) { ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive), channel); return (ret); } } /* * Now setup PIO modes. If mode < 2, use compat timings. * Else enable fast timings. Enable IORDY and prefetch/post * if PIO mode >= 3. */ if (drvp->PIO_mode < 2) return (ret); ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel); if (drvp->PIO_mode >= 3) { ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel); ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel); } return (ret); } /* setup values in SIDETIM registers, based on mode */ static u_int32_t piix_setup_sidetim_timings(u_int8_t mode, u_int8_t dma, u_int8_t channel) { if (dma) return (PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) | PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel)); else return (PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) | PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel)); } void amd756_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); int channel; pcireg_t chanenable; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_AMD_8111_IDE: sc->sc_wdcdev.UDMA_cap = 6; break; case PCI_PRODUCT_AMD_766_IDE: case PCI_PRODUCT_AMD_PBC768_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; chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if ((chanenable & AMD756_CHAN_EN(channel)) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (pciide_chan_candisable(cp)) { chanenable &= ~AMD756_CHAN_EN(channel); } if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } amd756_setup_channel(&cp->wdc_channel); } pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN, chanenable); return; } void amd756_setup_channel(struct channel_softc *chp) { u_int32_t udmatim_reg, datatim_reg; u_int8_t idedma_ctl; int mode, drive; struct ata_drive_datas *drvp; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; pcireg_t chanenable; #ifndef PCIIDE_AMD756_ENABLEDMA int product = sc->sc_pp->ide_product; int rev = sc->sc_rev; #endif idedma_ctl = 0; datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_DATATIM); udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_UDMA); datatim_reg &= ~AMD756_DATATIM_MASK(chp->channel); udmatim_reg &= ~AMD756_UDMA_MASK(chp->channel); chanenable = pci_conf_read(sc->sc_pc, sc->sc_tag, AMD756_CHANSTATUS_EN); /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if (((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0)) { mode = drvp->PIO_mode; goto pio; } if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && (drvp->drive_flags & DRIVE_UDMA)) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; /* Check cable */ if ((chanenable & AMD756_CABLE(chp->channel, drive)) == 0 && drvp->UDMA_mode > 2) { WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire " "cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } udmatim_reg |= AMD756_UDMA_EN(chp->channel, drive) | AMD756_UDMA_EN_MTH(chp->channel, drive) | AMD756_UDMA_TIME(chp->channel, drive, amd756_udma_tim[drvp->UDMA_mode]); /* can use PIO timings, MW DMA unused */ mode = drvp->PIO_mode; } else { /* use Multiword DMA, but only if revision is OK */ drvp->drive_flags &= ~DRIVE_UDMA; #ifndef PCIIDE_AMD756_ENABLEDMA /* * The workaround doesn't seem to be necessary * with all drives, so it can be disabled by * PCIIDE_AMD756_ENABLEDMA. It causes a hard hang if * triggered. */ 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, chp->channel, drive); mode = drvp->PIO_mode; drvp->drive_flags &= ~DRIVE_DMA; goto pio; } #endif /* mode = min(pio, dma+2) */ if (drvp->PIO_mode <= (drvp->DMA_mode +2)) mode = drvp->PIO_mode; else mode = drvp->DMA_mode + 2; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: /* setup PIO mode */ if (mode <= 2) { drvp->DMA_mode = 0; drvp->PIO_mode = 0; mode = 0; } else { drvp->PIO_mode = mode; drvp->DMA_mode = mode - 2; } datatim_reg |= AMD756_DATATIM_PULSE(chp->channel, drive, amd756_pio_set[mode]) | AMD756_DATATIM_RECOV(chp->channel, drive, amd756_pio_rec[mode]); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_DATATIM, datatim_reg); pci_conf_write(sc->sc_pc, sc->sc_tag, AMD756_UDMA, udmatim_reg); } void apollo_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); int channel; u_int32_t ideconf; bus_size_t cmdsize, ctlsize; pcitag_t pcib_tag; pcireg_t pcib_id, pcib_class; if (pciide_chipen(sc, pa) == 0) return; pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); pcib_id = pci_conf_read(sc->sc_pc, pcib_tag, PCI_ID_REG); pcib_class = pci_conf_read(sc->sc_pc, pcib_tag, PCI_CLASS_REG); switch (PCI_PRODUCT(pcib_id)) { case PCI_PRODUCT_VIATECH_VT82C586_ISA: if (PCI_REVISION(pcib_class) >= 0x02) { printf(": ATA33"); sc->sc_wdcdev.UDMA_cap = 2; } else { printf(": DMA"); sc->sc_wdcdev.UDMA_cap = 0; } break; case PCI_PRODUCT_VIATECH_VT82C596A: if (PCI_REVISION(pcib_class) >= 0x12) { printf(": ATA66"); sc->sc_wdcdev.UDMA_cap = 4; } else { printf(": ATA33"); sc->sc_wdcdev.UDMA_cap = 2; } break; case PCI_PRODUCT_VIATECH_VT82C686A_ISA: if (PCI_REVISION(pcib_class) >= 0x40) { printf(": ATA100"); sc->sc_wdcdev.UDMA_cap = 5; } else { printf(": ATA66"); sc->sc_wdcdev.UDMA_cap = 4; } break; case PCI_PRODUCT_VIATECH_VT8231_ISA: printf(": ATA100"); sc->sc_wdcdev.UDMA_cap = 5; break; case PCI_PRODUCT_VIATECH_VT8366_ISA: printf(": ATA100"); sc->sc_wdcdev.UDMA_cap = 5; break; case PCI_PRODUCT_VIATECH_VT8233_ISA: printf(": ATA133"); sc->sc_wdcdev.UDMA_cap = 6; break; case PCI_PRODUCT_VIATECH_VT8235_ISA: printf(": ATA133"); sc->sc_wdcdev.UDMA_cap = 6; break; case PCI_PRODUCT_VIATECH_VT8237_SATA: printf(": ATA133"); sc->sc_wdcdev.UDMA_cap = 6; break; default: printf(": DMA"); sc->sc_wdcdev.UDMA_cap = 0; break; } pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; if (sc->sc_wdcdev.UDMA_cap > 0) sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = apollo_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); WDCDEBUG_PRINT(("apollo_chip_map: old APO_IDECONF=0x%x, " "APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF), pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC), pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF); if ((ideconf & APO_IDECONF_EN(channel)) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) { goto next; } if (pciide_chan_candisable(cp)) { ideconf &= ~APO_IDECONF_EN(channel); pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, ideconf); } if (cp->hw_ok == 0) goto next; apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel); next: if (cp->hw_ok == 0) pciide_unmap_compat_intr(pa, cp, channel, interface); } WDCDEBUG_PRINT(("apollo_chip_map: APO_DATATIM=0x%x, APO_UDMA=0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM), pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE); } void apollo_setup_channel(struct channel_softc *chp) { u_int32_t udmatim_reg, datatim_reg; u_int8_t idedma_ctl; int mode, drive; struct ata_drive_datas *drvp; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; idedma_ctl = 0; datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM); udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA); datatim_reg &= ~APO_DATATIM_MASK(chp->channel); udmatim_reg &= ~APO_UDMA_MASK(chp->channel); /* setup DMA if needed */ pciide_channel_dma_setup(cp); /* * We can't mix Ultra/33 and Ultra/66 on the same channel, so * downgrade to Ultra/33 if needed */ if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && (chp->ch_drive[1].drive_flags & DRIVE_UDMA)) { /* both drives UDMA */ if (chp->ch_drive[0].UDMA_mode > 2 && chp->ch_drive[1].UDMA_mode <= 2) { /* drive 0 Ultra/66, drive 1 Ultra/33 */ chp->ch_drive[0].UDMA_mode = 2; } else if (chp->ch_drive[1].UDMA_mode > 2 && chp->ch_drive[0].UDMA_mode <= 2) { /* drive 1 Ultra/66, drive 0 Ultra/33 */ chp->ch_drive[1].UDMA_mode = 2; } } for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if (((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0)) { mode = drvp->PIO_mode; goto pio; } if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && (drvp->drive_flags & DRIVE_UDMA)) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; udmatim_reg |= APO_UDMA_EN(chp->channel, drive) | APO_UDMA_EN_MTH(chp->channel, drive); if (sc->sc_wdcdev.UDMA_cap == 6) { udmatim_reg |= APO_UDMA_TIME(chp->channel, drive, apollo_udma133_tim[drvp->UDMA_mode]); } else if (sc->sc_wdcdev.UDMA_cap == 5) { /* 686b */ udmatim_reg |= APO_UDMA_TIME(chp->channel, drive, apollo_udma100_tim[drvp->UDMA_mode]); } else if (sc->sc_wdcdev.UDMA_cap == 4) { /* 596b or 686a */ udmatim_reg |= APO_UDMA_CLK66(chp->channel); udmatim_reg |= APO_UDMA_TIME(chp->channel, drive, apollo_udma66_tim[drvp->UDMA_mode]); } else { /* 596a or 586b */ udmatim_reg |= APO_UDMA_TIME(chp->channel, drive, apollo_udma33_tim[drvp->UDMA_mode]); } /* can use PIO timings, MW DMA unused */ mode = drvp->PIO_mode; } else { /* use Multiword DMA */ drvp->drive_flags &= ~DRIVE_UDMA; /* mode = min(pio, dma+2) */ if (drvp->PIO_mode <= (drvp->DMA_mode +2)) mode = drvp->PIO_mode; else mode = drvp->DMA_mode + 2; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: /* setup PIO mode */ if (mode <= 2) { drvp->DMA_mode = 0; drvp->PIO_mode = 0; mode = 0; } else { drvp->PIO_mode = mode; drvp->DMA_mode = mode - 2; } datatim_reg |= APO_DATATIM_PULSE(chp->channel, drive, apollo_pio_set[mode]) | APO_DATATIM_RECOV(chp->channel, drive, apollo_pio_rec[mode]); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg); pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg); } void cmd_channel_map(struct pci_attach_args *pa, struct pciide_softc *sc, int channel) { struct pciide_channel *cp = &sc->pciide_channels[channel]; bus_size_t cmdsize, ctlsize; u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL); pcireg_t interface; int one_channel; /* * The 0648/0649 can be told to identify as a RAID controller. * In this case, we have to fake interface */ if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & CMD_CONF_DSA1) interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } else { interface = PCI_INTERFACE(pa->pa_class); } sc->wdc_chanarray[channel] = &cp->wdc_channel; cp->name = PCIIDE_CHANNEL_NAME(channel); cp->wdc_channel.channel = channel; cp->wdc_channel.wdc = &sc->sc_wdcdev; /* * Older CMD64X doesn't have independant channels */ switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_CMDTECH_649: one_channel = 0; break; default: one_channel = 1; break; } if (channel > 0 && one_channel) { cp->wdc_channel.ch_queue = sc->pciide_channels[0].wdc_channel.ch_queue; } else { cp->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); } if (cp->wdc_channel.ch_queue == NULL) { printf( "%s: %s cannot allocate memory for command queue", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } /* * with a CMD PCI64x, if we get here, the first channel is enabled: * there's no way to disable the first channel without disabling * the whole device */ if (channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } cp->hw_ok = 1; pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) return; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, cmd_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); return; } if (pciide_chan_candisable(cp)) { if (channel == 1) { ctrl &= ~CMD_CTRL_2PORT; pciide_pci_write(pa->pa_pc, pa->pa_tag, CMD_CTRL, ctrl); pciide_unmap_compat_intr(pa, cp, channel, interface); } } } int cmd_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int32_t priirq, secirq; rv = 0; priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; if ((i == 0 && (priirq & CMD_CONF_DRV0_INTR)) || (i == 1 && (secirq & CMD_ARTTIM23_IRQ))) { crv = wdcintr(wdc_cp); if (crv == 0) { #if 0 printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); #endif } else rv = 1; } } return (rv); } void cmd_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { int channel; pcireg_t interface = PCI_INTERFACE(pa->pa_class); /* * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE * and base address registers can be disabled at * hardware level. In this case, the device is wired * in compat mode and its first channel is always enabled, * but we can't rely on PCI_COMMAND_IO_ENABLE. * In fact, it seems that the first channel of the CMD PCI0640 * can't be disabled. */ #ifdef PCIIDE_CMD064x_DISABLE if (pciide_chipen(sc, pa) == 0) return; #endif printf(": no DMA"); sc->sc_dma_ok = 0; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cmd_channel_map(pa, sc, channel); } } void cmd0643_9_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; int rev = sc->sc_rev; pcireg_t interface; /* * The 0648/0649 can be told to identify as a RAID controller. * In this case, we have to fake interface */ if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); if (pciide_pci_read(pa->pa_pc, pa->pa_tag, CMD_CONF) & CMD_CONF_DSA1) interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } else { interface = PCI_INTERFACE(pa->pa_class); } /* * For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE * and base address registers can be disabled at * hardware level. In this case, the device is wired * in compat mode and its first channel is always enabled, * but we can't rely on PCI_COMMAND_IO_ENABLE. * In fact, it seems that the first channel of the CMD PCI0640 * can't be disabled. */ #ifdef PCIIDE_CMD064x_DISABLE if (pciide_chipen(sc, pa) == 0) return; #endif printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_CMDTECH_649: sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; sc->sc_wdcdev.UDMA_cap = 5; sc->sc_wdcdev.irqack = cmd646_9_irqack; break; case PCI_PRODUCT_CMDTECH_648: sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; sc->sc_wdcdev.UDMA_cap = 4; sc->sc_wdcdev.irqack = cmd646_9_irqack; break; case PCI_PRODUCT_CMDTECH_646: if (rev >= CMD0646U2_REV) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; sc->sc_wdcdev.UDMA_cap = 2; } else if (rev >= CMD0646U_REV) { /* * Linux's driver claims that the 646U is broken * with UDMA. Only enable it if we know what we're * doing */ #ifdef PCIIDE_CMD0646U_ENABLEUDMA sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; sc->sc_wdcdev.UDMA_cap = 2; #endif /* explicitly disable UDMA */ pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(0), 0); pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(1), 0); } sc->sc_wdcdev.irqack = cmd646_9_irqack; break; default: sc->sc_wdcdev.irqack = pciide_irqack; } } sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = cmd0643_9_setup_channel; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); WDCDEBUG_PRINT(("cmd0643_9_chip_map: old timings reg 0x%x 0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), DEBUG_PROBE); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; cmd_channel_map(pa, sc, channel); if (cp->hw_ok == 0) continue; cmd0643_9_setup_channel(&cp->wdc_channel); } /* * note - this also makes sure we clear the irq disable and reset * bits */ pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE); WDCDEBUG_PRINT(("cmd0643_9_chip_map: timings reg now 0x%x 0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54), pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)), DEBUG_PROBE); } void cmd0643_9_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; u_int8_t tim; u_int32_t idedma_ctl, udma_reg; int drive; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; idedma_ctl = 0; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ tim = cmd0643_9_data_tim_pio[drvp->PIO_mode]; if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA)) { if (drvp->drive_flags & DRIVE_UDMA) { /* UltraDMA on a 646U2, 0648 or 0649 */ drvp->drive_flags &= ~DRIVE_DMA; udma_reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(chp->channel)); if (drvp->UDMA_mode > 2 && (pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_BICSR) & CMD_BICSR_80(chp->channel)) == 0) { WDCDEBUG_PRINT(("%s(%s:%d:%d): " "80-wire cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } if (drvp->UDMA_mode > 2) udma_reg &= ~CMD_UDMATIM_UDMA33(drive); else if (sc->sc_wdcdev.UDMA_cap > 2) udma_reg |= CMD_UDMATIM_UDMA33(drive); udma_reg |= CMD_UDMATIM_UDMA(drive); udma_reg &= ~(CMD_UDMATIM_TIM_MASK << CMD_UDMATIM_TIM_OFF(drive)); udma_reg |= (cmd0646_9_tim_udma[drvp->UDMA_mode] << CMD_UDMATIM_TIM_OFF(drive)); pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(chp->channel), udma_reg); } else { /* * use Multiword DMA. * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed * if we have a 0646U2/8/9, turn off UDMA */ if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) { udma_reg = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(chp->channel)); udma_reg &= ~CMD_UDMATIM_UDMA(drive); pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_UDMATIM(chp->channel), udma_reg); } if (drvp->PIO_mode >= 3 && (drvp->DMA_mode + 2) > drvp->PIO_mode) { drvp->DMA_mode = drvp->PIO_mode - 2; } tim = cmd0643_9_data_tim_dma[drvp->DMA_mode]; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DATA_TIM(chp->channel, drive), tim); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); #ifdef __sparc64__ /* * The Ultra 5 has a tendency to hang during reboot. This is due * to the PCI0646U asserting a PCI interrupt line when the chip * registers claim that it is not. Performing a reset at this * point appears to eliminate the symptoms. It is likely the * real cause is still lurking somewhere in the code. */ wdcreset(chp, SILENT); #endif /* __sparc64__ */ } void cmd646_9_irqack(struct channel_softc *chp) { u_int32_t priirq, secirq; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; if (chp->channel == 0) { priirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CONF); pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_CONF, priirq); } else { secirq = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23); pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_ARTTIM23, secirq); } pciide_irqack(chp); } void cmd680_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; if (pciide_chipen(sc, pa) == 0) return; printf("\n%s: bus-master DMA support present", sc->sc_wdcdev.sc_dev.dv_xname); pciide_mapreg_dma(sc, pa); printf("\n"); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; sc->sc_wdcdev.UDMA_cap = 6; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = cmd680_setup_channel; pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x80, 0x00); pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x84, 0x00); pciide_pci_write(sc->sc_pc, sc->sc_tag, 0x8a, pciide_pci_read(sc->sc_pc, sc->sc_tag, 0x8a) | 0x01); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; cmd680_channel_map(pa, sc, channel); if (cp->hw_ok == 0) continue; cmd680_setup_channel(&cp->wdc_channel); } } void cmd680_channel_map(struct pci_attach_args *pa, struct pciide_softc *sc, int channel) { struct pciide_channel *cp = &sc->pciide_channels[channel]; bus_size_t cmdsize, ctlsize; int interface, i, reg; static const u_int8_t init_val[] = { 0x8a, 0x32, 0x8a, 0x32, 0x8a, 0x32, 0x92, 0x43, 0x92, 0x43, 0x09, 0x40, 0x09, 0x40 }; if (PCI_SUBCLASS(pa->pa_class) != PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } else { interface = PCI_INTERFACE(pa->pa_class); } sc->wdc_chanarray[channel] = &cp->wdc_channel; cp->name = PCIIDE_CHANNEL_NAME(channel); cp->wdc_channel.channel = channel; cp->wdc_channel.wdc = &sc->sc_wdcdev; cp->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); if (cp->wdc_channel.ch_queue == NULL) { printf("%s %s: " "can't allocate memory for command queue", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } /* XXX */ reg = 0xa2 + channel * 16; for (i = 0; i < sizeof(init_val); i++) pciide_pci_write(sc->sc_pc, sc->sc_tag, reg + i, init_val[i]); printf("%s: %s %s to %s mode\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, (interface & PCIIDE_INTERFACE_SETTABLE(channel)) ? "configured" : "wired", (interface & PCIIDE_INTERFACE_PCI(channel)) ? "native-PCI" : "compatibility"); pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) return; pciide_map_compat_intr(pa, cp, channel, interface); } void cmd680_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; u_int8_t mode, off, scsc; u_int16_t val; u_int32_t idedma_ctl; int drive; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; pci_chipset_tag_t pc = sc->sc_pc; pcitag_t pa = sc->sc_tag; static const u_int8_t udma2_tbl[] = { 0x0f, 0x0b, 0x07, 0x06, 0x03, 0x02, 0x01 }; static const u_int8_t udma_tbl[] = { 0x0c, 0x07, 0x05, 0x04, 0x02, 0x01, 0x00 }; static const u_int16_t dma_tbl[] = { 0x2208, 0x10c2, 0x10c1 }; static const u_int16_t pio_tbl[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 }; idedma_ctl = 0; pciide_channel_dma_setup(cp); mode = pciide_pci_read(pc, pa, 0x80 + chp->channel * 4); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; mode &= ~(0x03 << (drive * 4)); if (drvp->drive_flags & DRIVE_UDMA) { drvp->drive_flags &= ~DRIVE_DMA; off = 0xa0 + chp->channel * 16; if (drvp->UDMA_mode > 2 && (pciide_pci_read(pc, pa, off) & 0x01) == 0) drvp->UDMA_mode = 2; scsc = pciide_pci_read(pc, pa, 0x8a); if (drvp->UDMA_mode == 6 && (scsc & 0x30) == 0) { pciide_pci_write(pc, pa, 0x8a, scsc | 0x01); scsc = pciide_pci_read(pc, pa, 0x8a); if ((scsc & 0x30) == 0) drvp->UDMA_mode = 5; } mode |= 0x03 << (drive * 4); off = 0xac + chp->channel * 16 + drive * 2; val = pciide_pci_read(pc, pa, off) & ~0x3f; if (scsc & 0x30) val |= udma2_tbl[drvp->UDMA_mode]; else val |= udma_tbl[drvp->UDMA_mode]; pciide_pci_write(pc, pa, off, val); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if (drvp->drive_flags & DRIVE_DMA) { mode |= 0x02 << (drive * 4); off = 0xa8 + chp->channel * 16 + drive * 2; val = dma_tbl[drvp->DMA_mode]; pciide_pci_write(pc, pa, off, val & 0xff); pciide_pci_write(pc, pa, off, val >> 8); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { mode |= 0x01 << (drive * 4); off = 0xa4 + chp->channel * 16 + drive * 2; val = pio_tbl[drvp->PIO_mode]; pciide_pci_write(pc, pa, off, val & 0xff); pciide_pci_write(pc, pa, off, val >> 8); } } pciide_pci_write(pc, pa, 0x80 + chp->channel * 4, mode); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); } void sii3112_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; bus_size_t cmdsize, ctlsize; pcireg_t interface, scs_cmd, cfgctl; pcireg_t cls, reg40, reg44; int channel; struct pciide_satalink *sl = sc->sc_cookie; if (pciide_chipen(sc, pa) == 0) return; /* Allocate memory for private data */ sc->sc_cookie = malloc(sizeof(struct pciide_satalink), M_DEVBUF, M_NOWAIT); sl = sc->sc_cookie; bzero(sl, sizeof(*sl)); #define SII3112_RESET_BITS \ (SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \ SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \ SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET) /* * Reset everything and then unblock all of the interrupts. */ scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd | SII3112_RESET_BITS); delay(50 * 1000); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd & SCS_CMD_BA5_EN); delay(50 * 1000); if (scs_cmd & SCS_CMD_BA5_EN) { if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sl->ba5_st, &sl->ba5_sh, NULL, NULL, 0) != 0) printf(": unable to map BA5 register space\n"); else sl->ba5_en = 1; } else { cfgctl = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_PCI_CFGCTL); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_PCI_CFGCTL, cfgctl | CFGCTL_BA5INDEN); } printf(": DMA"); pciide_mapreg_dma(sc, pa); printf("\n"); /* * Rev. <= 0x01 of the 3112 have a bug that can cause data * corruption if DMA transfers cross an 8K boundary. This is * apparently hard to tickle, but we'll go ahead and play it * safe. */ if (sc->sc_rev <= 0x01) { sc->sc_dma_maxsegsz = 8192; sc->sc_dma_boundary = 8192; } /* * When the Silicon Image 3112 retries a PCI memory read command, * it may retry it as a memory read multiple command under some * circumstances. This can totally confuse some PCI controllers, * so ensure that it will never do this by making sure that the * Read Threshold (FIFO Read Request Control) field of the FIFO * Valid Byte Count and Control registers for both channels (BA5 * offset 0x40 and 0x44) are set to be at least as large as the * cacheline size register. */ cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); cls = (cls >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK; cls *= 4; if (cls > 224) { cls = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); cls &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT); cls |= ((224/4) << PCI_CACHELINE_SHIFT); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, cls); cls = 224; } if (cls < 32) cls = 32; cls = (cls + 31) / 32; reg40 = ba5_read_4(sc, 0x40); reg44 = ba5_read_4(sc, 0x44); if ((reg40 & 0x7) < cls) ba5_write_4(sc, 0x40, (reg40 & ~0x07) | cls); if ((reg44 & 0x7) < cls) ba5_write_4(sc, 0x44, (reg44 & ~0x07) | cls); sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32; sc->sc_wdcdev.PIO_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 6; } sc->sc_wdcdev.set_modes = sii3112_setup_channel; /* We can use SControl and SStatus to probe for drives. */ sc->sc_wdcdev.drv_probe = sii3112_drv_probe; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; /* * The 3112 either identifies itself as a RAID storage device * or a Misc storage device. Fake up the interface bits for * what our driver expects. */ if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCI_INTERFACE(pa->pa_class); } else { interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) continue; sc->sc_wdcdev.set_modes(&cp->wdc_channel); } } void sii3112_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t idedma_ctl, dtm; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; dtm = 0; for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dtm |= DTM_IDEx_DMA; } else if (drvp->drive_flags & DRIVE_DMA) { idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dtm |= DTM_IDEx_DMA; } else { dtm |= DTM_IDEx_PIO; } } /* * Nothing to do to setup modes; it is meaningless in S-ATA * (but many S-ATA drives still want to get the SET_FEATURE * command). */ if (idedma_ctl != 0) { /* Add software bits in status register */ PCIIDE_DMACTL_WRITE(sc, chp->channel, idedma_ctl); } BA5_WRITE_4(sc, chp->channel, ba5_IDE_DTM, dtm); pciide_print_modes(cp); } void sii3112_drv_probe(struct channel_softc *chp) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; uint32_t scontrol, sstatus; uint8_t scnt, sn, cl, ch; int i, s; /* XXX This should be done by other code. */ for (i = 0; i < 2; i++) { chp->ch_drive[i].chnl_softc = chp; chp->ch_drive[i].drive = i; } /* * The 3112 is a 2-port part, and only has one drive per channel * (each port emulates a master drive). * * The 3114 is similar, but has 4 channels. */ /* * Request communication initialization sequence, any speed. * Performing this is the equivalent of an ATA Reset. */ scontrol = SControl_DET_INIT | SControl_SPD_ANY; /* * XXX We don't yet support SATA power management; disable all * power management state transitions. */ scontrol |= SControl_IPM_NONE; BA5_WRITE_4(sc, chp->channel, ba5_SControl, scontrol); delay(50 * 1000); scontrol &= ~SControl_DET_INIT; BA5_WRITE_4(sc, chp->channel, ba5_SControl, scontrol); delay(50 * 1000); sstatus = BA5_READ_4(sc, chp->channel, ba5_SStatus); #if 0 printf("%s: port %d: SStatus=0x%08x, SControl=0x%08x\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus, BA5_READ_4(sc, chp->channel, ba5_SControl)); #endif switch (sstatus & SStatus_DET_mask) { case SStatus_DET_NODEV: /* No device; be silent. */ break; case SStatus_DET_DEV_NE: printf("%s: port %d: device connected, but " "communication not established\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel); break; case SStatus_DET_OFFLINE: printf("%s: port %d: PHY offline\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel); break; case SStatus_DET_DEV: /* * XXX ATAPI detection doesn't currently work. Don't * XXX know why. But, it's not like the standard method * XXX can detect an ATAPI device connected via a SATA/PATA * XXX bridge, so at least this is no worse. --thorpej */ if (chp->_vtbl != NULL) CHP_WRITE_REG(chp, wdr_sdh, WDSD_IBM | (0 << 4)); else bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_sdh & _WDC_REGMASK, WDSD_IBM | (0 << 4)); delay(10); /* 400ns delay */ /* Save register contents. */ if (chp->_vtbl != NULL) { scnt = CHP_READ_REG(chp, wdr_seccnt); sn = CHP_READ_REG(chp, wdr_sector); cl = CHP_READ_REG(chp, wdr_cyl_lo); ch = CHP_READ_REG(chp, wdr_cyl_hi); } else { scnt = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt & _WDC_REGMASK); sn = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, wdr_sector & _WDC_REGMASK); cl = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, wdr_cyl_lo & _WDC_REGMASK); ch = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, wdr_cyl_hi & _WDC_REGMASK); } #if 0 printf("%s: port %d: scnt=0x%x sn=0x%x cl=0x%x ch=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, scnt, sn, cl, ch); #endif /* * scnt and sn are supposed to be 0x1 for ATAPI, but in some * cases we get wrong values here, so ignore it. */ s = splbio(); if (cl == 0x14 && ch == 0xeb) chp->ch_drive[0].drive_flags |= DRIVE_ATAPI; else chp->ch_drive[0].drive_flags |= DRIVE_ATA; splx(s); printf("%s: port %d: device present", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel); switch ((sstatus & SStatus_SPD_mask) >> SStatus_SPD_shift) { case 1: printf(", speed: 1.5Gb/s"); break; case 2: printf(", speed: 3.0Gb/s"); break; } printf("\n"); break; default: printf("%s: port %d: unknown SStatus: 0x%08x\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, sstatus); } } void sii3114_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t scs_cmd; pci_intr_handle_t intrhandle; const char *intrstr; int channel; struct pciide_satalink *sl = sc->sc_cookie; if (pciide_chipen(sc, pa) == 0) return; /* Allocate memory for private data */ sc->sc_cookie = malloc(sizeof(struct pciide_satalink), M_DEVBUF, M_NOWAIT); sl = sc->sc_cookie; bzero(sl, sizeof(*sl)); #define SII3114_RESET_BITS \ (SCS_CMD_PBM_RESET | SCS_CMD_ARB_RESET | \ SCS_CMD_FF1_RESET | SCS_CMD_FF0_RESET | \ SCS_CMD_FF3_RESET | SCS_CMD_FF2_RESET | \ SCS_CMD_IDE1_RESET | SCS_CMD_IDE0_RESET | \ SCS_CMD_IDE3_RESET | SCS_CMD_IDE2_RESET) /* * Reset everything and then unblock all of the interrupts. */ scs_cmd = pci_conf_read(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd | SII3114_RESET_BITS); delay(50 * 1000); pci_conf_write(pa->pa_pc, pa->pa_tag, SII3112_SCS_CMD, scs_cmd & SCS_CMD_M66EN); delay(50 * 1000); /* * On the 3114, the BA5 register space is always enabled. In * order to use the 3114 in any sane way, we must use this BA5 * register space, and so we consider it an error if we cannot * map it. * * As a consequence of using BA5, our register mapping is different * from a normal PCI IDE controller's, and so we are unable to use * most of the common PCI IDE register mapping functions. */ if (pci_mapreg_map(pa, PCI_MAPREG_START + 0x14, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &sl->ba5_st, &sl->ba5_sh, NULL, NULL, 0) != 0) { printf(": unable to map BA5 register space\n"); return; } sl->ba5_en = 1; /* * Set the Interrupt Steering bit in the IDEDMA_CMD register of * channel 2. This is required at all times for proper operation * when using the BA5 register space (otherwise interrupts from * all 4 channels won't work). */ BA5_WRITE_4(sc, 2, ba5_IDEDMA_CMD, IDEDMA_CMD_INT_STEER); printf(": DMA"); sii3114_mapreg_dma(sc, pa); printf("\n"); sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32; sc->sc_wdcdev.PIO_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 6; } sc->sc_wdcdev.set_modes = sii3112_setup_channel; /* We can use SControl and SStatus to probe for drives. */ sc->sc_wdcdev.drv_probe = sii3112_drv_probe; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = 4; /* Map and establish the interrupt handler. */ if (pci_intr_map(pa, &intrhandle) != 0) { printf("%s: couldn't map native-PCI interrupt\n", sc->sc_wdcdev.sc_dev.dv_xname); return; } intrstr = pci_intr_string(pa->pa_pc, intrhandle); sc->sc_pci_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_BIO, /* XXX */ pciide_pci_intr, sc, sc->sc_wdcdev.sc_dev.dv_xname); if (sc->sc_pci_ih != NULL) { printf("%s: using %s for native-PCI interrupt\n", sc->sc_wdcdev.sc_dev.dv_xname, intrstr ? intrstr : "unknown interrupt"); } else { printf("%s: couldn't establish native-PCI interrupt", sc->sc_wdcdev.sc_dev.dv_xname); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); return; } for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (sii3114_chansetup(sc, channel) == 0) continue; sii3114_mapchan(cp); if (cp->hw_ok == 0) continue; sc->sc_wdcdev.set_modes(&cp->wdc_channel); } } void sii3114_mapreg_dma(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *pc; int chan, reg; bus_size_t size; struct pciide_satalink *sl = sc->sc_cookie; sc->sc_wdcdev.dma_arg = sc; sc->sc_wdcdev.dma_init = pciide_dma_init; sc->sc_wdcdev.dma_start = pciide_dma_start; sc->sc_wdcdev.dma_finish = pciide_dma_finish; /* * Slice off a subregion of BA5 for each of the channel's DMA * registers. */ sc->sc_dma_iot = sl->ba5_st; for (chan = 0; chan < 4; chan++) { pc = &sc->pciide_channels[chan]; for (reg = 0; reg < IDEDMA_NREGS; reg++) { size = 4; if (size > (IDEDMA_SCH_OFFSET - reg)) size = IDEDMA_SCH_OFFSET - reg; if (bus_space_subregion(sl->ba5_st, sl->ba5_sh, satalink_ba5_regmap[chan].ba5_IDEDMA_CMD + reg, size, &sl->regs[chan].dma_iohs[reg]) != 0) { sc->sc_dma_ok = 0; printf(": can't subregion offset " "%lu size %lu", (u_long) satalink_ba5_regmap[ chan].ba5_IDEDMA_CMD + reg, (u_long) size); return; } } } sc->sc_dmacmd_read = sii3114_dmacmd_read; sc->sc_dmacmd_write = sii3114_dmacmd_write; sc->sc_dmactl_read = sii3114_dmactl_read; sc->sc_dmactl_write = sii3114_dmactl_write; sc->sc_dmatbl_write = sii3114_dmatbl_write; /* DMA registers all set up! */ sc->sc_dmat = pa->pa_dmat; sc->sc_dma_ok = 1; } int sii3114_chansetup(struct pciide_softc *sc, int channel) { static const char *channel_names[] = { "port 0", "port 1", "port 2", "port 3", }; struct pciide_channel *cp = &sc->pciide_channels[channel]; sc->wdc_chanarray[channel] = &cp->wdc_channel; /* * We must always keep the Interrupt Steering bit set in channel 2's * IDEDMA_CMD register. */ if (channel == 2) cp->idedma_cmd = IDEDMA_CMD_INT_STEER; cp->name = channel_names[channel]; cp->wdc_channel.channel = channel; cp->wdc_channel.wdc = &sc->sc_wdcdev; cp->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); if (cp->wdc_channel.ch_queue == NULL) { printf("%s %s channel: " "can't allocate memory for command queue", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return (0); } return (1); } void sii3114_mapchan(struct pciide_channel *cp) { struct channel_softc *wdc_cp = &cp->wdc_channel; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct pciide_satalink *sl = sc->sc_cookie; int chan = wdc_cp->channel; int i; cp->hw_ok = 0; cp->compat = 0; cp->ih = sc->sc_pci_ih; sl->regs[chan].cmd_iot = sl->ba5_st; if (bus_space_subregion(sl->ba5_st, sl->ba5_sh, satalink_ba5_regmap[chan].ba5_IDE_TF0, 9, &sl->regs[chan].cmd_baseioh) != 0) { printf("%s: couldn't subregion %s cmd base\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } sl->regs[chan].ctl_iot = sl->ba5_st; if (bus_space_subregion(sl->ba5_st, sl->ba5_sh, satalink_ba5_regmap[chan].ba5_IDE_TF8, 1, &cp->ctl_baseioh) != 0) { printf("%s: couldn't subregion %s ctl base\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } sl->regs[chan].ctl_ioh = cp->ctl_baseioh; for (i = 0; i < WDC_NREG; i++) { if (bus_space_subregion(sl->regs[chan].cmd_iot, sl->regs[chan].cmd_baseioh, i, i == 0 ? 4 : 1, &sl->regs[chan].cmd_iohs[i]) != 0) { printf("%s: couldn't subregion %s channel " "cmd regs\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); return; } } sl->regs[chan].cmd_iohs[wdr_status & _WDC_REGMASK] = sl->regs[chan].cmd_iohs[wdr_command & _WDC_REGMASK]; sl->regs[chan].cmd_iohs[wdr_features & _WDC_REGMASK] = sl->regs[chan].cmd_iohs[wdr_error & _WDC_REGMASK]; wdc_cp->data32iot = wdc_cp->cmd_iot = sl->regs[chan].cmd_iot; wdc_cp->data32ioh = wdc_cp->cmd_ioh = sl->regs[chan].cmd_iohs[0]; wdc_cp->_vtbl = &wdc_sii3114_vtbl; wdcattach(wdc_cp); cp->hw_ok = 1; } u_int8_t sii3114_read_reg(struct channel_softc *chp, enum wdc_regs reg) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct pciide_satalink *sl = sc->sc_cookie; if (reg & _WDC_AUX) return (bus_space_read_1(sl->regs[chp->channel].ctl_iot, sl->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK)); else return (bus_space_read_1(sl->regs[chp->channel].cmd_iot, sl->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK], 0)); } void sii3114_write_reg(struct channel_softc *chp, enum wdc_regs reg, u_int8_t val) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct pciide_satalink *sl = sc->sc_cookie; if (reg & _WDC_AUX) bus_space_write_1(sl->regs[chp->channel].ctl_iot, sl->regs[chp->channel].ctl_ioh, reg & _WDC_REGMASK, val); else bus_space_write_1(sl->regs[chp->channel].cmd_iot, sl->regs[chp->channel].cmd_iohs[reg & _WDC_REGMASK], 0, val); } u_int8_t sii3114_dmacmd_read(struct pciide_softc *sc, int chan) { struct pciide_satalink *sl = sc->sc_cookie; return (bus_space_read_1(sc->sc_dma_iot, sl->regs[chan].dma_iohs[IDEDMA_CMD(0)], 0)); } void sii3114_dmacmd_write(struct pciide_softc *sc, int chan, u_int8_t val) { struct pciide_satalink *sl = sc->sc_cookie; bus_space_write_1(sc->sc_dma_iot, sl->regs[chan].dma_iohs[IDEDMA_CMD(0)], 0, val); } u_int8_t sii3114_dmactl_read(struct pciide_softc *sc, int chan) { struct pciide_satalink *sl = sc->sc_cookie; return (bus_space_read_1(sc->sc_dma_iot, sl->regs[chan].dma_iohs[IDEDMA_CTL(0)], 0)); } void sii3114_dmactl_write(struct pciide_softc *sc, int chan, u_int8_t val) { struct pciide_satalink *sl = sc->sc_cookie; bus_space_write_1(sc->sc_dma_iot, sl->regs[chan].dma_iohs[IDEDMA_CTL(0)], 0, val); } void sii3114_dmatbl_write(struct pciide_softc *sc, int chan, u_int32_t val) { struct pciide_satalink *sl = sc->sc_cookie; bus_space_write_4(sc->sc_dma_iot, sl->regs[chan].dma_iohs[IDEDMA_TBL(0)], 0, val); } void cy693_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); bus_size_t cmdsize, ctlsize; struct pciide_cy *cy; if (pciide_chipen(sc, pa) == 0) return; /* Allocate memory for private data */ sc->sc_cookie = malloc(sizeof(struct pciide_cy), M_DEVBUF, M_NOWAIT); cy = sc->sc_cookie; bzero(cy, sizeof(*cy)); /* * this chip has 2 PCI IDE functions, one for primary and one for * secondary. So we need to call pciide_mapregs_compat() with * the real channel */ if (pa->pa_function == 1) { cy->cy_compatchan = 0; } else if (pa->pa_function == 2) { cy->cy_compatchan = 1; } else { printf(": unexpected PCI function %d\n", pa->pa_function); return; } if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) { printf(": DMA"); pciide_mapreg_dma(sc, pa); } else { printf(": no DMA"); sc->sc_dma_ok = 0; } cy->cy_handle = cy82c693_init(pa->pa_iot); if (cy->cy_handle == NULL) { printf(", (unable to map ctl registers)"); sc->sc_dma_ok = 0; } sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = cy693_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = 1; /* Only one channel for this chip; if we are here it's enabled */ cp = &sc->pciide_channels[0]; sc->wdc_chanarray[0] = &cp->wdc_channel; cp->name = PCIIDE_CHANNEL_NAME(0); cp->wdc_channel.channel = 0; cp->wdc_channel.wdc = &sc->sc_wdcdev; cp->wdc_channel.ch_queue = malloc(sizeof(struct channel_queue), M_DEVBUF, M_NOWAIT); if (cp->wdc_channel.ch_queue == NULL) { printf(": cannot allocate memory for command queue\n"); return; } printf(", %s %s to ", PCIIDE_CHANNEL_NAME(0), (interface & PCIIDE_INTERFACE_SETTABLE(0)) ? "configured" : "wired"); if (interface & PCIIDE_INTERFACE_PCI(0)) { printf("native-PCI\n"); cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, pciide_pci_intr); } else { printf("compatibility\n"); cp->hw_ok = pciide_mapregs_compat(pa, cp, cy->cy_compatchan, &cmdsize, &ctlsize); } cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; pciide_map_compat_intr(pa, cp, cy->cy_compatchan, interface); if (cp->hw_ok == 0) return; wdcattach(&cp->wdc_channel); if (pciide_chan_candisable(cp)) { pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, 0); } if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, cy->cy_compatchan, interface); return; } WDCDEBUG_PRINT(("cy693_chip_map: old timings reg 0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); cy693_setup_channel(&cp->wdc_channel); WDCDEBUG_PRINT(("cy693_chip_map: new timings reg 0x%x\n", pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE); } void cy693_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t cy_cmd_ctrl; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int dma_mode = -1; struct pciide_cy *cy = sc->sc_cookie; cy_cmd_ctrl = idedma_ctl = 0; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if (drvp->drive_flags & DRIVE_DMA) { idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); /* use Multiword DMA */ if (dma_mode == -1 || dma_mode > drvp->DMA_mode) dma_mode = drvp->DMA_mode; } cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << CY_CMD_CTRL_IOW_PULSE_OFF(drive)); cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << CY_CMD_CTRL_IOW_REC_OFF(drive)); cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] << CY_CMD_CTRL_IOR_PULSE_OFF(drive)); cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] << CY_CMD_CTRL_IOR_REC_OFF(drive)); } pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl); chp->ch_drive[0].DMA_mode = dma_mode; chp->ch_drive[1].DMA_mode = dma_mode; if (dma_mode == -1) dma_mode = 0; if (cy->cy_handle != NULL) { /* Note: `multiple' is implied. */ cy82c693_write(cy->cy_handle, (cy->cy_compatchan == 0) ? CY_DMA_IDX_PRIMARY : CY_DMA_IDX_SECONDARY, dma_mode); } pciide_print_modes(cp); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } } static struct sis_hostbr_type { u_int16_t id; u_int8_t rev; u_int8_t udma_mode; char *name; u_int8_t type; #define SIS_TYPE_NOUDMA 0 #define SIS_TYPE_66 1 #define SIS_TYPE_100OLD 2 #define SIS_TYPE_100NEW 3 #define SIS_TYPE_133OLD 4 #define SIS_TYPE_133NEW 5 #define SIS_TYPE_SOUTH 6 } sis_hostbr_type[] = { /* Most infos here are from sos@freebsd.org */ {PCI_PRODUCT_SIS_530, 0x00, 4, "530", SIS_TYPE_66}, #if 0 /* * controllers associated to a rev 0x2 530 Host to PCI Bridge * have problems with UDMA (info provided by Christos) */ {PCI_PRODUCT_SIS_530, 0x02, 0, "530 (buggy)", SIS_TYPE_NOUDMA}, #endif {PCI_PRODUCT_SIS_540, 0x00, 4, "540", SIS_TYPE_66}, {PCI_PRODUCT_SIS_550, 0x00, 4, "550", SIS_TYPE_66}, {PCI_PRODUCT_SIS_620, 0x00, 4, "620", SIS_TYPE_66}, {PCI_PRODUCT_SIS_630, 0x00, 4, "630", SIS_TYPE_66}, {PCI_PRODUCT_SIS_630, 0x30, 5, "630S", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_633, 0x00, 5, "633", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_635, 0x00, 5, "635", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_640, 0x00, 4, "640", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_645, 0x00, 6, "645", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_646, 0x00, 6, "645DX", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_648, 0x00, 6, "648", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_650, 0x00, 6, "650", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_651, 0x00, 6, "651", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_652, 0x00, 6, "652", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_655, 0x00, 6, "655", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_658, 0x00, 6, "658", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_661, 0x00, 6, "661", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_730, 0x00, 5, "730", SIS_TYPE_100OLD}, {PCI_PRODUCT_SIS_733, 0x00, 5, "733", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_735, 0x00, 5, "735", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_740, 0x00, 5, "740", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_741, 0x00, 6, "741", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_745, 0x00, 5, "745", SIS_TYPE_100NEW}, {PCI_PRODUCT_SIS_746, 0x00, 6, "746", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_748, 0x00, 6, "748", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_750, 0x00, 6, "750", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_751, 0x00, 6, "751", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_752, 0x00, 6, "752", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_755, 0x00, 6, "755", SIS_TYPE_SOUTH}, {PCI_PRODUCT_SIS_760, 0x00, 6, "760", SIS_TYPE_SOUTH}, /* * From sos@freebsd.org: the 0x961 ID will never be found in real world * {PCI_PRODUCT_SIS_961, 0x00, 6, "961", SIS_TYPE_133NEW}, */ {PCI_PRODUCT_SIS_962, 0x00, 6, "962", SIS_TYPE_133NEW}, {PCI_PRODUCT_SIS_963, 0x00, 6, "963", SIS_TYPE_133NEW} }; static struct sis_hostbr_type *sis_hostbr_type_match; int sis_hostbr_match(struct pci_attach_args *pa) { int i; if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_SIS) return (0); sis_hostbr_type_match = NULL; for (i = 0; i < sizeof(sis_hostbr_type) / sizeof(sis_hostbr_type[0]); i++) { if (PCI_PRODUCT(pa->pa_id) == sis_hostbr_type[i].id && PCI_REVISION(pa->pa_class) >= sis_hostbr_type[i].rev) sis_hostbr_type_match = &sis_hostbr_type[i]; } return (sis_hostbr_type_match != NULL); } int sis_south_match(struct pci_attach_args *pa) { return(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_SIS && PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SIS_85C503 && PCI_REVISION(pa->pa_class) >= 0x10); } void sis_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0); pcireg_t interface = PCI_INTERFACE(pa->pa_class); int rev = sc->sc_rev; bus_size_t cmdsize, ctlsize; pcitag_t br_tag; struct pci_attach_args br_pa; struct pciide_sis *sis; if (pciide_chipen(sc, pa) == 0) return; /* Allocate memory for private data */ sc->sc_cookie = malloc(sizeof(struct pciide_sis), M_DEVBUF, M_NOWAIT); sis = sc->sc_cookie; bzero(sis, sizeof(*sis)); /* Find PCI bridge (dev 0 func 0 on the same bus) */ br_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, 0, 0); br_pa.pa_id = pci_conf_read(sc->sc_pc, br_tag, PCI_ID_REG); br_pa.pa_class = pci_conf_read(sc->sc_pc, br_tag, PCI_CLASS_REG); WDCDEBUG_PRINT(("%s: PCI bridge pa_id=0x%x pa_class=0x%x\n", __func__, br_pa.pa_id, br_pa.pa_class), DEBUG_PROBE); if (sis_hostbr_match(&br_pa)) { if (sis_hostbr_type_match->type == SIS_TYPE_SOUTH) { pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_57, pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57) & 0x7f); if (sc->sc_pp->ide_product == SIS_PRODUCT_5518) { sis->sis_type = SIS_TYPE_133NEW; sc->sc_wdcdev.UDMA_cap = sis_hostbr_type_match->udma_mode; } else { /* Find ISA bridge (func 0 of the same dev) */ br_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); br_pa.pa_id = pci_conf_read(sc->sc_pc, br_tag, PCI_ID_REG); br_pa.pa_class = pci_conf_read(sc->sc_pc, br_tag, PCI_CLASS_REG); WDCDEBUG_PRINT(("%s: ISA bridge " "pa_id=0x%x pa_class=0x%x\n", __func__, br_pa.pa_id, br_pa.pa_class), DEBUG_PROBE); if (sis_south_match(&br_pa)) { sis->sis_type = SIS_TYPE_133OLD; sc->sc_wdcdev.UDMA_cap = sis_hostbr_type_match->udma_mode; } else { sis->sis_type = SIS_TYPE_100NEW; sc->sc_wdcdev.UDMA_cap = sis_hostbr_type_match->udma_mode; } } } else { sis->sis_type = sis_hostbr_type_match->type; sc->sc_wdcdev.UDMA_cap = sis_hostbr_type_match->udma_mode; } printf(": %s", sis_hostbr_type_match->name); } else { printf(": 5597/5598"); if (rev >= 0xd0) { sc->sc_wdcdev.UDMA_cap = 2; sis->sis_type = SIS_TYPE_66; } else { sc->sc_wdcdev.UDMA_cap = 0; sis->sis_type = SIS_TYPE_NOUDMA; } } printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; if (sis->sis_type >= SIS_TYPE_66) sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; switch (sis->sis_type) { case SIS_TYPE_NOUDMA: case SIS_TYPE_66: case SIS_TYPE_100OLD: sc->sc_wdcdev.set_modes = sis_setup_channel; pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC, pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) | SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE | SIS_MISC_GTC); break; case SIS_TYPE_100NEW: case SIS_TYPE_133OLD: sc->sc_wdcdev.set_modes = sis_setup_channel; pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_49, pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_49) | 0x01); break; case SIS_TYPE_133NEW: sc->sc_wdcdev.set_modes = sis96x_setup_channel; pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_50, pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_50) & 0xf7); pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_REG_52, pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_52) & 0xf7); break; } pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if ((channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) || (channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } if (pciide_chan_candisable(cp)) { if (channel == 0) sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN; else sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN; pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, sis_ctr0); } if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } sc->sc_wdcdev.set_modes(&cp->wdc_channel); } } void sis96x_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t sis_tim; u_int32_t idedma_ctl; int regtim; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; sis_tim = 0; idedma_ctl = 0; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { regtim = SIS_TIM133( pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_57), chp->channel, drive); drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; if (pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS96x_REG_CBL(chp->channel)) & SIS96x_REG_CBL_33) { if (drvp->UDMA_mode > 2) drvp->UDMA_mode = 2; } sis_tim |= sis_udma133new_tim[drvp->UDMA_mode]; sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if (drvp->drive_flags & DRIVE_DMA) { /* * use Multiword DMA * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed */ if (drvp->PIO_mode > (drvp->DMA_mode + 2)) drvp->PIO_mode = drvp->DMA_mode + 2; if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) drvp->DMA_mode = (drvp->PIO_mode > 2) ? drvp->PIO_mode - 2 : 0; sis_tim |= sis_dma133new_tim[drvp->DMA_mode]; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { sis_tim |= sis_pio133new_tim[drvp->PIO_mode]; } WDCDEBUG_PRINT(("sis96x_setup_channel: new timings reg for " "channel %d drive %d: 0x%x (reg 0x%x)\n", chp->channel, drive, sis_tim, regtim), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, regtim, sis_tim); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); } void sis_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t sis_tim; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; struct pciide_sis *sis = sc->sc_cookie; WDCDEBUG_PRINT(("sis_setup_channel: old timings reg for " "channel %d 0x%x\n", chp->channel, pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))), DEBUG_PROBE); sis_tim = 0; idedma_ctl = 0; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if ((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0) goto pio; if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; if (pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_REG_CBL) & SIS_REG_CBL_33(chp->channel)) { if (drvp->UDMA_mode > 2) drvp->UDMA_mode = 2; } switch (sis->sis_type) { case SIS_TYPE_66: case SIS_TYPE_100OLD: sis_tim |= sis_udma66_tim[drvp->UDMA_mode] << SIS_TIM66_UDMA_TIME_OFF(drive); break; case SIS_TYPE_100NEW: sis_tim |= sis_udma100new_tim[drvp->UDMA_mode] << SIS_TIM100_UDMA_TIME_OFF(drive); case SIS_TYPE_133OLD: sis_tim |= sis_udma133old_tim[drvp->UDMA_mode] << SIS_TIM100_UDMA_TIME_OFF(drive); break; default: printf("unknown SiS IDE type %d\n", sis->sis_type); } } else { /* * use Multiword DMA * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed */ if (drvp->PIO_mode > (drvp->DMA_mode + 2)) drvp->PIO_mode = drvp->DMA_mode + 2; if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) drvp->DMA_mode = (drvp->PIO_mode > 2) ? drvp->PIO_mode - 2 : 0; if (drvp->DMA_mode == 0) drvp->PIO_mode = 0; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: switch (sis->sis_type) { case SIS_TYPE_NOUDMA: case SIS_TYPE_66: case SIS_TYPE_100OLD: sis_tim |= sis_pio_act[drvp->PIO_mode] << SIS_TIM66_ACT_OFF(drive); sis_tim |= sis_pio_rec[drvp->PIO_mode] << SIS_TIM66_REC_OFF(drive); break; case SIS_TYPE_100NEW: case SIS_TYPE_133OLD: sis_tim |= sis_pio_act[drvp->PIO_mode] << SIS_TIM100_ACT_OFF(drive); sis_tim |= sis_pio_rec[drvp->PIO_mode] << SIS_TIM100_REC_OFF(drive); break; default: printf("unknown SiS IDE type %d\n", sis->sis_type); } } WDCDEBUG_PRINT(("sis_setup_channel: new timings reg for " "channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); } void natsemi_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t interface, ctl; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = natsemi_irqack; } pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CCBT, 0xb7); /* * Mask off interrupts from both channels, appropriate channel(s) * will be unmasked later. */ pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2, pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2) | NATSEMI_CHMASK(0) | NATSEMI_CHMASK(1)); sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = natsemi_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); interface &= ~PCIIDE_CHANSTATUS_EN; /* Reserved on PC87415 */ pciide_print_channels(sc->sc_wdcdev.nchannels, interface); /* If we're in PCIIDE mode, unmask INTA, otherwise mask it. */ ctl = pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL1); if (interface & (PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1))) ctl &= ~NATSEMI_CTRL1_INTAMASK; else ctl |= NATSEMI_CTRL1_INTAMASK; pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL1, ctl); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, natsemi_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } natsemi_setup_channel(&cp->wdc_channel); } } void natsemi_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive, ndrives = 0; u_int32_t idedma_ctl = 0; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; u_int8_t tim; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; ndrives++; /* add timing values, setup DMA if needed */ if ((drvp->drive_flags & DRIVE_DMA) == 0) { tim = natsemi_pio_pulse[drvp->PIO_mode] | (natsemi_pio_recover[drvp->PIO_mode] << 4); } else { /* * use Multiword DMA * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed */ if (drvp->PIO_mode >= 3 && (drvp->DMA_mode + 2) > drvp->PIO_mode) { drvp->DMA_mode = drvp->PIO_mode - 2; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); tim = natsemi_dma_pulse[drvp->DMA_mode] | (natsemi_dma_recover[drvp->DMA_mode] << 4); } pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_RTREG(chp->channel, drive), tim); pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_WTREG(chp->channel, drive), tim); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } if (ndrives > 0) { /* Unmask the channel if at least one drive is found */ pciide_pci_write(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2, pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2) & ~(NATSEMI_CHMASK(chp->channel))); } pciide_print_modes(cp); /* Go ahead and ack interrupts generated during probe. */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel))); } void natsemi_irqack(struct channel_softc *chp) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; u_int8_t clr; /* The "clear" bits are in the wrong register *sigh* */ clr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CMD(chp->channel)); clr |= bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel)) & (IDEDMA_CTL_ERR | IDEDMA_CTL_INTR); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CMD(chp->channel), clr); } int natsemi_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int8_t ide_dmactl, msk; rv = 0; msk = pciide_pci_read(sc->sc_pc, sc->sc_tag, NATSEMI_CTRL2); for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; /* If this channel is masked, skip it. */ if (msk & NATSEMI_CHMASK(i)) continue; /* Get intr status */ ide_dmactl = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if (ide_dmactl & IDEDMA_CTL_ERR) printf("%s:%d: error intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); if (ide_dmactl & IDEDMA_CTL_INTR) { crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); else rv = 1; } } return (rv); } void ns_scx200_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t interface = PCI_INTERFACE(pa->pa_class); bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 2; sc->sc_wdcdev.set_modes = ns_scx200_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; /* * Soekris net4801 errata 0003: * * The SC1100 built in busmaster IDE controller is pretty standard, * but have two bugs: data transfers need to be dword aligned and * it cannot do an exact 64Kbyte data transfer. * * Assume that reducing maximum segment size by one page * will be enough, and restrict boundary too for extra certainty. */ if (sc->sc_pp->ide_product == PCI_PRODUCT_NS_SCx200_IDE) { sc->sc_dma_maxsegsz = IDEDMA_BYTE_COUNT_MAX - PAGE_SIZE; sc->sc_dma_boundary = IDEDMA_BYTE_COUNT_MAX - PAGE_SIZE; } /* * This chip seems to be unable to do one-sector transfers * using DMA. */ sc->sc_wdcdev.quirks = WDC_QUIRK_NOSHORTDMA; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } sc->sc_wdcdev.set_modes(&cp->wdc_channel); } } void ns_scx200_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive, mode; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel*)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; int pioformat; pcireg_t piotim, dmatim; /* Setup DMA if needed */ pciide_channel_dma_setup(cp); pioformat = (pci_conf_read(sc->sc_pc, sc->sc_tag, SCx200_TIM_DMA(0, 0)) >> SCx200_PIOFORMAT_SHIFT) & 0x01; WDCDEBUG_PRINT(("%s: pio format %d\n", __func__, pioformat), DEBUG_PROBE); /* Per channel settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; piotim = pci_conf_read(sc->sc_pc, sc->sc_tag, SCx200_TIM_PIO(channel, drive)); dmatim = pci_conf_read(sc->sc_pc, sc->sc_tag, SCx200_TIM_DMA(channel, drive)); WDCDEBUG_PRINT(("%s:%d:%d: piotim=0x%x, dmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, piotim, dmatim), DEBUG_PROBE); if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 && (drvp->drive_flags & DRIVE_UDMA) != 0) { /* Setup UltraDMA mode */ drvp->drive_flags &= ~DRIVE_DMA; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dmatim = scx200_udma33[drvp->UDMA_mode]; mode = drvp->PIO_mode; } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 && (drvp->drive_flags & DRIVE_DMA) != 0) { /* Setup multiword DMA mode */ drvp->drive_flags &= ~DRIVE_UDMA; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); dmatim = scx200_dma33[drvp->DMA_mode]; /* mode = min(pio, dma + 2) */ if (drvp->PIO_mode <= (drvp->DMA_mode + 2)) mode = drvp->PIO_mode; else mode = drvp->DMA_mode + 2; } else { mode = drvp->PIO_mode; } /* Setup PIO mode */ drvp->PIO_mode = mode; if (mode < 2) drvp->DMA_mode = 0; else drvp->DMA_mode = mode - 2; piotim = scx200_pio33[pioformat][drvp->PIO_mode]; WDCDEBUG_PRINT(("%s:%d:%d: new piotim=0x%x, dmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, piotim, dmatim), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, SCx200_TIM_PIO(channel, drive), piotim); pci_conf_write(sc->sc_pc, sc->sc_tag, SCx200_TIM_DMA(channel, drive), dmatim); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); } void acer_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t cr, interface; bus_size_t cmdsize, ctlsize; int rev = sc->sc_rev; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA; if (rev >= 0x20) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA; if (rev >= 0xC4) sc->sc_wdcdev.UDMA_cap = 5; else if (rev >= 0xC2) sc->sc_wdcdev.UDMA_cap = 4; else sc->sc_wdcdev.UDMA_cap = 2; } sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = acer_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CDRC, (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CDRC) | ACER_CDRC_DMA_EN) & ~ACER_CDRC_FIFO_DISABLE); /* Enable "microsoft register bits" R/W. */ pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR3, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR3) | ACER_CCAR3_PI); pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR1, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR1) & ~(ACER_CHANSTATUS_RO|PCIIDE_CHAN_RO(0)|PCIIDE_CHAN_RO(1))); pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_CCAR2, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CCAR2) & ~ACER_CHANSTATUSREGS_RO); cr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG); cr |= (PCIIDE_CHANSTATUS_EN << PCI_INTERFACE_SHIFT); pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); /* Don't use cr, re-read the real register content instead */ interface = PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG)); pciide_print_channels(sc->sc_wdcdev.nchannels, interface); /* From linux: enable "Cable Detection" */ if (rev >= 0xC2) pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B) | ACER_0x4B_CDETECT); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if ((interface & PCIIDE_CHAN_EN(channel)) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, (rev >= 0xC2) ? pciide_pci_intr : acer_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } if (pciide_chan_candisable(cp)) { cr &= ~(PCIIDE_CHAN_EN(channel) << PCI_INTERFACE_SHIFT); pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG, cr); } if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } acer_setup_channel(&cp->wdc_channel); } } void acer_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; u_int32_t acer_fifo_udma; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; idedma_ctl = 0; acer_fifo_udma = pci_conf_read(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA); WDCDEBUG_PRINT(("acer_setup_channel: old fifo/udma reg 0x%x\n", acer_fifo_udma), DEBUG_PROBE); /* setup DMA if needed */ pciide_channel_dma_setup(cp); if ((chp->ch_drive[0].drive_flags | chp->ch_drive[1].drive_flags) & DRIVE_UDMA) { /* check 80 pins cable */ if (pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4A) & ACER_0x4A_80PIN(chp->channel)) { WDCDEBUG_PRINT(("%s:%d: 80-wire cable not detected\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel), DEBUG_PROBE); if (chp->ch_drive[0].UDMA_mode > 2) chp->ch_drive[0].UDMA_mode = 2; if (chp->ch_drive[1].UDMA_mode > 2) chp->ch_drive[1].UDMA_mode = 2; } } for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; WDCDEBUG_PRINT(("acer_setup_channel: old timings reg for " "channel %d drive %d 0x%x\n", chp->channel, drive, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_IDETIM(chp->channel, drive))), DEBUG_PROBE); /* clear FIFO/DMA mode */ acer_fifo_udma &= ~(ACER_FTH_OPL(chp->channel, drive, 0x3) | ACER_UDMA_EN(chp->channel, drive) | ACER_UDMA_TIM(chp->channel, drive, 0x7)); /* add timing values, setup DMA if needed */ if ((drvp->drive_flags & DRIVE_DMA) == 0 && (drvp->drive_flags & DRIVE_UDMA) == 0) { acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x1); goto pio; } acer_fifo_udma |= ACER_FTH_OPL(chp->channel, drive, 0x2); if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; acer_fifo_udma |= ACER_UDMA_EN(chp->channel, drive); acer_fifo_udma |= ACER_UDMA_TIM(chp->channel, drive, acer_udma[drvp->UDMA_mode]); /* XXX disable if one drive < UDMA3 ? */ if (drvp->UDMA_mode >= 3) { pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_0x4B, pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_0x4B) | ACER_0x4B_UDMA66); } } else { /* * use Multiword DMA * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed */ if (drvp->PIO_mode > (drvp->DMA_mode + 2)) drvp->PIO_mode = drvp->DMA_mode + 2; if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) drvp->DMA_mode = (drvp->PIO_mode > 2) ? drvp->PIO_mode - 2 : 0; if (drvp->DMA_mode == 0) drvp->PIO_mode = 0; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: pciide_pci_write(sc->sc_pc, sc->sc_tag, ACER_IDETIM(chp->channel, drive), acer_pio[drvp->PIO_mode]); } WDCDEBUG_PRINT(("acer_setup_channel: new fifo/udma reg 0x%x\n", acer_fifo_udma), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, ACER_FTH_UDMA, acer_fifo_udma); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); } int acer_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int32_t chids; rv = 0; chids = pciide_pci_read(sc->sc_pc, sc->sc_tag, ACER_CHIDS); for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; if (chids & ACER_CHIDS_INT(i)) { crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); else rv = 1; } } return (rv); } void hpt_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int i, compatchan, revision; pcireg_t interface; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; revision = sc->sc_rev; /* * when the chip is in native mode it identifies itself as a * 'misc mass storage'. Fake interface in this case. */ if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCI_INTERFACE(pa->pa_class); } else { interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0); if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && (revision == HPT370_REV || revision == HPT370A_REV || revision == HPT372_REV)) || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) interface |= PCIIDE_INTERFACE_PCI(1); } printf(": DMA"); pciide_mapreg_dma(sc, pa); printf("\n"); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.set_modes = hpt_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && revision == HPT366_REV) { sc->sc_wdcdev.UDMA_cap = 4; /* * The 366 has 2 PCI IDE functions, one for primary and one * for secondary. So we need to call pciide_mapregs_compat() * with the real channel */ if (pa->pa_function == 0) { compatchan = 0; } else if (pa->pa_function == 1) { compatchan = 1; } else { printf("%s: unexpected PCI function %d\n", sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function); return; } sc->sc_wdcdev.nchannels = 1; } else { sc->sc_wdcdev.nchannels = 2; if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) sc->sc_wdcdev.UDMA_cap = 6; else if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366) { if (revision == HPT372_REV) sc->sc_wdcdev.UDMA_cap = 6; else sc->sc_wdcdev.UDMA_cap = 5; } } for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; if (sc->sc_wdcdev.nchannels > 1) { compatchan = i; if((pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT370_CTRL1(i)) & HPT370_CTRL1_EN) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } } if (pciide_chansetup(sc, i, interface) == 0) continue; if (interface & PCIIDE_INTERFACE_PCI(i)) { cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, hpt_pci_intr); } else { cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan, &cmdsize, &ctlsize); } if (cp->hw_ok == 0) return; cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; wdcattach(&cp->wdc_channel); hpt_setup_channel(&cp->wdc_channel); } if ((sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && (revision == HPT370_REV || revision == HPT370A_REV || revision == HPT372_REV)) || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374) { /* * Turn off fast interrupts */ pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(0), pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(0)) & ~(HPT370_CTRL2_FASTIRQ | HPT370_CTRL2_HIRQ)); pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(1), pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT370_CTRL2(1)) & ~(HPT370_CTRL2_FASTIRQ | HPT370_CTRL2_HIRQ)); /* * HPT370 and highter has a bit to disable interrupts, * make sure to clear it */ pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_CSEL, pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL) & ~HPT_CSEL_IRQDIS); } /* set clocks, etc (mandatory on 372/4, optional otherwise) */ if (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT372A || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT302 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT371 || sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT374 || (sc->sc_pp->ide_product == PCI_PRODUCT_TRIONES_HPT366 && revision == HPT372_REV)) pciide_pci_write(sc->sc_pc, sc->sc_tag, HPT_SC2, (pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_SC2) & HPT_SC2_MAEN) | HPT_SC2_OSC_EN); return; } void hpt_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; int cable; u_int32_t before, after; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int revision = sc->sc_rev; u_int32_t *tim_pio, *tim_dma, *tim_udma; cable = pciide_pci_read(sc->sc_pc, sc->sc_tag, HPT_CSEL); /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_TRIONES_HPT366: if (revision == HPT370_REV || revision == HPT370A_REV) { tim_pio = hpt370_pio; tim_dma = hpt370_dma; tim_udma = hpt370_udma; } else if (revision == HPT372_REV) { tim_pio = hpt372_pio; tim_dma = hpt372_dma; tim_udma = hpt372_udma; } else { tim_pio = hpt366_pio; tim_dma = hpt366_dma; tim_udma = hpt366_udma; } break; case PCI_PRODUCT_TRIONES_HPT372A: case PCI_PRODUCT_TRIONES_HPT302: case PCI_PRODUCT_TRIONES_HPT371: tim_pio = hpt372_pio; tim_dma = hpt372_dma; tim_udma = hpt372_udma; break; case PCI_PRODUCT_TRIONES_HPT374: tim_pio = hpt374_pio; tim_dma = hpt374_dma; tim_udma = hpt374_udma; break; default: printf("%s: no known timing values\n", sc->sc_wdcdev.sc_dev.dv_xname); goto end; } /* Per drive settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; before = pci_conf_read(sc->sc_pc, sc->sc_tag, HPT_IDETIM(chp->channel, drive)); /* add timing values, setup DMA if needed */ if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; if ((cable & HPT_CSEL_CBLID(chp->channel)) != 0 && drvp->UDMA_mode > 2) { WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire " "cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } after = tim_udma[drvp->UDMA_mode]; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if (drvp->drive_flags & DRIVE_DMA) { /* * use Multiword DMA. * Timings will be used for both PIO and DMA, so adjust * DMA mode if needed */ if (drvp->PIO_mode >= 3 && (drvp->DMA_mode + 2) > drvp->PIO_mode) { drvp->DMA_mode = drvp->PIO_mode - 2; } after = tim_dma[drvp->DMA_mode]; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { /* PIO only */ after = tim_pio[drvp->PIO_mode]; } pci_conf_write(sc->sc_pc, sc->sc_tag, HPT_IDETIM(chp->channel, drive), after); WDCDEBUG_PRINT(("%s: bus speed register set to 0x%08x " "(BIOS 0x%08x)\n", sc->sc_wdcdev.sc_dev.dv_xname, after, before), DEBUG_PROBE); } end: if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(chp->channel), idedma_ctl); } pciide_print_modes(cp); } int hpt_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int rv = 0; int dmastat, i, crv; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != IDEDMA_CTL_INTR) continue; cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; crv = wdcintr(wdc_cp); if (crv == 0) { printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i), dmastat); } else rv = 1; } return (rv); } /* Macros to test product */ #define PDC_IS_262(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20262 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20265 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20267) #define PDC_IS_265(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20265 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20267 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268R || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20376) #define PDC_IS_268(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20268R || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20376) #define PDC_IS_269(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20269 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20271 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20275 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20276 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20277 || \ (sc)->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20376) static __inline u_int8_t pdc268_config_read(struct channel_softc *chp, int index) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC268_INDEX(channel), index); return (bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC268_DATA(channel))); } static __inline void pdc268_config_write(struct channel_softc *chp, int index, u_int8_t value) { struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC268_INDEX(channel), index); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC268_DATA(channel), value); } void pdc202xx_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t interface, st, mode; bus_size_t cmdsize, ctlsize; if (!PDC_IS_268(sc)) { st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); WDCDEBUG_PRINT(("pdc202xx_setup_chip: controller state 0x%x\n", st), DEBUG_PROBE); } if (pciide_chipen(sc, pa) == 0) return; /* turn off RAID mode */ if (!PDC_IS_268(sc)) st &= ~PDC2xx_STATE_IDERAID; /* * can't rely on the PCI_CLASS_REG content if the chip was in raid * mode. We have to fake interface */ interface = PCIIDE_INTERFACE_SETTABLE(0) | PCIIDE_INTERFACE_SETTABLE(1); if (PDC_IS_268(sc) || (st & PDC2xx_STATE_NATIVE)) interface |= PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20246 || PDC_IS_262(sc)) sc->sc_wdcdev.cap |= WDC_CAPABILITY_NO_ATAPI_DMA; if (sc->sc_pp->ide_product == PCI_PRODUCT_PROMISE_PDC20376) sc->sc_wdcdev.cap |= WDC_CAPABILITY_SATA; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; if (PDC_IS_269(sc)) sc->sc_wdcdev.UDMA_cap = 6; else if (PDC_IS_265(sc)) sc->sc_wdcdev.UDMA_cap = 5; else if (PDC_IS_262(sc)) sc->sc_wdcdev.UDMA_cap = 4; else sc->sc_wdcdev.UDMA_cap = 2; sc->sc_wdcdev.set_modes = PDC_IS_268(sc) ? pdc20268_setup_channel : pdc202xx_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; if (PDC_IS_262(sc)) { sc->sc_wdcdev.dma_start = pdc20262_dma_start; sc->sc_wdcdev.dma_finish = pdc20262_dma_finish; } pciide_print_channels(sc->sc_wdcdev.nchannels, interface); if (!PDC_IS_268(sc)) { /* setup failsafe defaults */ mode = 0; mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[0]); mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[0]); mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " "drive 0 initial timings 0x%x, now 0x%x\n", channel, pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0)), mode | PDC2xx_TIM_IORDYp), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 0), mode | PDC2xx_TIM_IORDYp); WDCDEBUG_PRINT(("pdc202xx_setup_chip: channel %d " "drive 1 initial timings 0x%x, now 0x%x\n", channel, pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1)), mode), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(channel, 1), mode); } mode = PDC2xx_SCR_DMA; if (PDC_IS_262(sc)) { mode = PDC2xx_SCR_SET_GEN(mode, PDC262_SCR_GEN_LAT); } else { /* the BIOS set it up this way */ mode = PDC2xx_SCR_SET_GEN(mode, 0x1); } mode = PDC2xx_SCR_SET_I2C(mode, 0x3); /* ditto */ mode = PDC2xx_SCR_SET_POLL(mode, 0x1); /* ditto */ WDCDEBUG_PRINT(("pdc202xx_setup_chip: initial SCR 0x%x, " "now 0x%x\n", bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR), mode), DEBUG_PROBE); bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR, mode); /* controller initial state register is OK even without BIOS */ /* Set DMA mode to IDE DMA compatibility */ mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM); WDCDEBUG_PRINT(("pdc202xx_setup_chip: primary mode 0x%x", mode), DEBUG_PROBE); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_PM, mode | 0x1); mode = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM); WDCDEBUG_PRINT((", secondary mode 0x%x\n", mode ), DEBUG_PROBE); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SM, mode | 0x1); } for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if (!PDC_IS_268(sc) && (st & (PDC_IS_262(sc) ? PDC262_STATE_EN(channel):PDC246_STATE_EN(channel))) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; if (PDC_IS_265(sc)) pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pdc20265_pci_intr); else pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pdc202xx_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } if (!PDC_IS_268(sc) && pciide_chan_candisable(cp)) { st &= ~(PDC_IS_262(sc) ? PDC262_STATE_EN(channel):PDC246_STATE_EN(channel)); pciide_unmap_compat_intr(pa, cp, channel, interface); } if (PDC_IS_268(sc)) pdc20268_setup_channel(&cp->wdc_channel); else pdc202xx_setup_channel(&cp->wdc_channel); } if (!PDC_IS_268(sc)) { WDCDEBUG_PRINT(("pdc202xx_setup_chip: new controller state " "0x%x\n", st), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_STATE, st); } return; } void pdc202xx_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive; pcireg_t mode, st; u_int32_t idedma_ctl, scr, atapi; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; WDCDEBUG_PRINT(("pdc202xx_setup_channel %s: scr 0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66)), DEBUG_PROBE); /* Per channel settings */ if (PDC_IS_262(sc)) { scr = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66); st = pci_conf_read(sc->sc_pc, sc->sc_tag, PDC2xx_STATE); /* Check cable */ if ((st & PDC262_STATE_80P(channel)) != 0 && ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && chp->ch_drive[0].UDMA_mode > 2) || (chp->ch_drive[1].drive_flags & DRIVE_UDMA && chp->ch_drive[1].UDMA_mode > 2))) { WDCDEBUG_PRINT(("%s:%d: 80-wire cable not detected\n", sc->sc_wdcdev.sc_dev.dv_xname, channel), DEBUG_PROBE); if (chp->ch_drive[0].UDMA_mode > 2) chp->ch_drive[0].UDMA_mode = 2; if (chp->ch_drive[1].UDMA_mode > 2) chp->ch_drive[1].UDMA_mode = 2; } /* Trim UDMA mode */ if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && chp->ch_drive[0].UDMA_mode <= 2) || (chp->ch_drive[1].drive_flags & DRIVE_UDMA && chp->ch_drive[1].UDMA_mode <= 2)) { if (chp->ch_drive[0].UDMA_mode > 2) chp->ch_drive[0].UDMA_mode = 2; if (chp->ch_drive[1].UDMA_mode > 2) chp->ch_drive[1].UDMA_mode = 2; } /* Set U66 if needed */ if ((chp->ch_drive[0].drive_flags & DRIVE_UDMA && chp->ch_drive[0].UDMA_mode > 2) || (chp->ch_drive[1].drive_flags & DRIVE_UDMA && chp->ch_drive[1].UDMA_mode > 2)) scr |= PDC262_U66_EN(channel); else scr &= ~PDC262_U66_EN(channel); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66, scr); WDCDEBUG_PRINT(("pdc202xx_setup_channel %s:%d: ATAPI 0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_ATAPI(channel))), DEBUG_PROBE); if (chp->ch_drive[0].drive_flags & DRIVE_ATAPI || chp->ch_drive[1].drive_flags & DRIVE_ATAPI) { if (((chp->ch_drive[0].drive_flags & DRIVE_UDMA) && !(chp->ch_drive[1].drive_flags & DRIVE_UDMA) && (chp->ch_drive[1].drive_flags & DRIVE_DMA)) || ((chp->ch_drive[1].drive_flags & DRIVE_UDMA) && !(chp->ch_drive[0].drive_flags & DRIVE_UDMA) && (chp->ch_drive[0].drive_flags & DRIVE_DMA))) atapi = 0; else atapi = PDC262_ATAPI_UDMA; bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_ATAPI(channel), atapi); } } for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; mode = 0; if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_udma_mb[drvp->UDMA_mode]); mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_udma_mc[drvp->UDMA_mode]); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if (drvp->drive_flags & DRIVE_DMA) { mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[drvp->DMA_mode]); mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[drvp->DMA_mode]); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { mode = PDC2xx_TIM_SET_MB(mode, pdc2xx_dma_mb[0]); mode = PDC2xx_TIM_SET_MC(mode, pdc2xx_dma_mc[0]); } mode = PDC2xx_TIM_SET_PA(mode, pdc2xx_pa[drvp->PIO_mode]); mode = PDC2xx_TIM_SET_PB(mode, pdc2xx_pb[drvp->PIO_mode]); if (drvp->drive_flags & DRIVE_ATA) mode |= PDC2xx_TIM_PRE; mode |= PDC2xx_TIM_SYNC | PDC2xx_TIM_ERRDY; if (drvp->PIO_mode >= 3) { mode |= PDC2xx_TIM_IORDY; if (drive == 0) mode |= PDC2xx_TIM_IORDYp; } WDCDEBUG_PRINT(("pdc202xx_setup_channel: %s:%d:%d " "timings 0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, chp->channel, drive, mode), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, PDC2xx_TIM(chp->channel, drive), mode); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); } void pdc20268_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive, cable; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; /* check 80 pins cable */ cable = pdc268_config_read(chp, 0x0b) & PDC268_CABLE; /* setup DMA if needed */ pciide_channel_dma_setup(cp); idedma_ctl = 0; for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if (drvp->drive_flags & DRIVE_UDMA) { /* use Ultra/DMA */ drvp->drive_flags &= ~DRIVE_DMA; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); if (cable && drvp->UDMA_mode > 2) { WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire " "cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } } else if (drvp->drive_flags & DRIVE_DMA) { idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } } /* nothing to do to setup modes, the controller snoop SET_FEATURE cmd */ if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); } int pdc202xx_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int32_t scr; rv = 0; scr = bus_space_read_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC2xx_SCR); for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; if (scr & PDC2xx_SCR_INT(i)) { crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr (reg 0x%x)\n", sc->sc_wdcdev.sc_dev.dv_xname, i, scr); else rv = 1; } } return (rv); } int pdc20265_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int32_t dmastat; rv = 0; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* If a compat channel skip. */ if (cp->compat) continue; /* * In case of shared IRQ check that the interrupt * was actually generated by this channel. * Only check the channel that is enabled. */ if (cp->hw_ok && PDC_IS_268(sc)) { if ((pdc268_config_read(wdc_cp, 0x0b) & PDC268_INTR) == 0) continue; } /* * The Ultra/100 seems to assert PDC2xx_SCR_INT * spuriously, * however it asserts INT in IDEDMA_CTL even for non-DMA ops. * So use it instead (requires 2 reg reads instead of 1, * but we can't do it another way). */ dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if ((dmastat & IDEDMA_CTL_INTR) == 0) continue; crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); else rv = 1; } return (rv); } void pdc20262_dma_start(void *v, int channel, int drive) { struct pciide_softc *sc = v; struct pciide_dma_maps *dma_maps = &sc->pciide_channels[channel].dma_maps[drive]; u_int8_t clock; u_int32_t count; if (dma_maps->dma_flags & WDC_DMA_LBA48) { clock = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66, clock | PDC262_U66_EN(channel)); count = dma_maps->dmamap_xfer->dm_mapsize >> 1; count |= dma_maps->dma_flags & WDC_DMA_READ ? PDC262_ATAPI_LBA48_READ : PDC262_ATAPI_LBA48_WRITE; bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_ATAPI(channel), count); } pciide_dma_start(v, channel, drive); } int pdc20262_dma_finish(void *v, int channel, int drive, int force) { struct pciide_softc *sc = v; struct pciide_dma_maps *dma_maps = &sc->pciide_channels[channel].dma_maps[drive]; u_int8_t clock; if (dma_maps->dma_flags & WDC_DMA_LBA48) { clock = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_U66, clock & ~PDC262_U66_EN(channel)); bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh, PDC262_ATAPI(channel), 0); } return (pciide_dma_finish(v, channel, drive, force)); } #ifdef notyet /* * Inline functions for accessing the timing registers of the * OPTi controller. * * These *MUST* disable interrupts as they need atomic access to * certain magic registers. Failure to adhere to this *will* * break things in subtle ways if the wdc registers are accessed * by an interrupt routine while this magic sequence is executing. */ static __inline__ u_int8_t opti_read_config(struct channel_softc *chp, int reg) { u_int8_t rv; int s = splhigh(); /* Two consecutive 16-bit reads from register #1 (0x1f1/0x171) */ (void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features); (void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features); /* Followed by an 8-bit write of 0x3 to register #2 */ bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x03u); /* Now we can read the required register */ rv = bus_space_read_1(chp->cmd_iot, chp->cmd_ioh, reg); /* Restore the real registers */ bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x83u); splx(s); return (rv); } static __inline__ void opti_write_config(struct channel_softc *chp, int reg, u_int8_t val) { int s = splhigh(); /* Two consecutive 16-bit reads from register #1 (0x1f1/0x171) */ (void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features); (void) bus_space_read_2(chp->cmd_iot, chp->cmd_ioh, wdr_features); /* Followed by an 8-bit write of 0x3 to register #2 */ bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x03u); /* Now we can write the required register */ bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, reg, val); /* Restore the real registers */ bus_space_write_1(chp->cmd_iot, chp->cmd_ioh, wdr_seccnt, 0x83u); splx(s); } void opti_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; bus_size_t cmdsize, ctlsize; pcireg_t interface; u_int8_t init_ctrl; int channel; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); /* * XXXSCW: * There seem to be a couple of buggy revisions/implementations * of the OPTi pciide chipset. This kludge seems to fix one of * the reported problems (NetBSD PR/11644) but still fails for the * other (NetBSD PR/13151), although the latter may be due to other * issues too... */ if (sc->sc_rev <= 0x12) { printf(" (disabled)"); sc->sc_dma_ok = 0; sc->sc_wdcdev.cap = 0; } else { sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA32; pciide_mapreg_dma(sc, pa); } sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_MODE; sc->sc_wdcdev.PIO_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.DMA_cap = 2; } sc->sc_wdcdev.set_modes = opti_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; init_ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_INIT_CONTROL); interface = PCI_INTERFACE(pa->pa_class); pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if (channel == 1 && (init_ctrl & OPTI_INIT_CONTROL_CH2_DISABLE) != 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } opti_setup_channel(&cp->wdc_channel); } } void opti_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int drive, spd; int mode[2]; u_int8_t rv, mr; /* * The `Delay' and `Address Setup Time' fields of the * Miscellaneous Register are always zero initially. */ mr = opti_read_config(chp, OPTI_REG_MISC) & ~OPTI_MISC_INDEX_MASK; mr &= ~(OPTI_MISC_DELAY_MASK | OPTI_MISC_ADDR_SETUP_MASK | OPTI_MISC_INDEX_MASK); /* Prime the control register before setting timing values */ opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_DISABLE); /* Determine the clockrate of the PCIbus the chip is attached to */ spd = (int) opti_read_config(chp, OPTI_REG_STRAP); spd &= OPTI_STRAP_PCI_SPEED_MASK; /* setup DMA if needed */ pciide_channel_dma_setup(cp); for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) { mode[drive] = -1; continue; } if ((drvp->drive_flags & DRIVE_DMA)) { /* * Timings will be used for both PIO and DMA, * so adjust DMA mode if needed */ if (drvp->PIO_mode > (drvp->DMA_mode + 2)) drvp->PIO_mode = drvp->DMA_mode + 2; if (drvp->DMA_mode + 2 > (drvp->PIO_mode)) drvp->DMA_mode = (drvp->PIO_mode > 2) ? drvp->PIO_mode - 2 : 0; if (drvp->DMA_mode == 0) drvp->PIO_mode = 0; mode[drive] = drvp->DMA_mode + 5; } else mode[drive] = drvp->PIO_mode; if (drive && mode[0] >= 0 && (opti_tim_as[spd][mode[0]] != opti_tim_as[spd][mode[1]])) { /* * Can't have two drives using different values * for `Address Setup Time'. * Slow down the faster drive to compensate. */ int d = (opti_tim_as[spd][mode[0]] > opti_tim_as[spd][mode[1]]) ? 0 : 1; mode[d] = mode[1-d]; chp->ch_drive[d].PIO_mode = chp->ch_drive[1-d].PIO_mode; chp->ch_drive[d].DMA_mode = 0; chp->ch_drive[d].drive_flags &= DRIVE_DMA; } } for (drive = 0; drive < 2; drive++) { int m; if ((m = mode[drive]) < 0) continue; /* Set the Address Setup Time and select appropriate index */ rv = opti_tim_as[spd][m] << OPTI_MISC_ADDR_SETUP_SHIFT; rv |= OPTI_MISC_INDEX(drive); opti_write_config(chp, OPTI_REG_MISC, mr | rv); /* Set the pulse width and recovery timing parameters */ rv = opti_tim_cp[spd][m] << OPTI_PULSE_WIDTH_SHIFT; rv |= opti_tim_rt[spd][m] << OPTI_RECOVERY_TIME_SHIFT; opti_write_config(chp, OPTI_REG_READ_CYCLE_TIMING, rv); opti_write_config(chp, OPTI_REG_WRITE_CYCLE_TIMING, rv); /* Set the Enhanced Mode register appropriately */ rv = pciide_pci_read(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE); rv &= ~OPTI_ENH_MODE_MASK(chp->channel, drive); rv |= OPTI_ENH_MODE(chp->channel, drive, opti_tim_em[m]); pciide_pci_write(sc->sc_pc, sc->sc_tag, OPTI_REG_ENH_MODE, rv); } /* Finally, enable the timings */ opti_write_config(chp, OPTI_REG_CONTROL, OPTI_CONTROL_ENABLE); pciide_print_modes(cp); } #endif void serverworks_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; pcireg_t interface = PCI_INTERFACE(pa->pa_class); pcitag_t pcib_tag; int channel; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); printf("\n"); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_RCC_OSB4_IDE: sc->sc_wdcdev.UDMA_cap = 2; break; case PCI_PRODUCT_RCC_CSB5_IDE: if (sc->sc_rev < 0x92) sc->sc_wdcdev.UDMA_cap = 4; else sc->sc_wdcdev.UDMA_cap = 5; break; case PCI_PRODUCT_RCC_CSB6_IDE: sc->sc_wdcdev.UDMA_cap = 5; break; case PCI_PRODUCT_RCC_CSB6_IDE2: sc->sc_wdcdev.UDMA_cap = 4; break; } sc->sc_wdcdev.set_modes = serverworks_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = (sc->sc_pp->ide_product == PCI_PRODUCT_RCC_CSB6_IDE2 ? 1 : 2); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, serverworks_pci_intr); if (cp->hw_ok == 0) return; pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) return; serverworks_setup_channel(&cp->wdc_channel); } pcib_tag = pci_make_tag(pa->pa_pc, pa->pa_bus, pa->pa_device, 0); pci_conf_write(pa->pa_pc, pcib_tag, 0x64, (pci_conf_read(pa->pa_pc, pcib_tag, 0x64) & ~0x2000) | 0x4000); } void serverworks_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; int drive, unit; u_int32_t pio_time, dma_time, pio_mode, udma_mode; u_int32_t idedma_ctl; static const u_int8_t pio_modes[5] = {0x5d, 0x47, 0x34, 0x22, 0x20}; static const u_int8_t dma_modes[3] = {0x77, 0x21, 0x20}; /* setup DMA if needed */ pciide_channel_dma_setup(cp); pio_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x40); dma_time = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x44); pio_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x48); udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54); pio_time &= ~(0xffff << (16 * channel)); dma_time &= ~(0xffff << (16 * channel)); pio_mode &= ~(0xff << (8 * channel + 16)); udma_mode &= ~(0xff << (8 * channel + 16)); udma_mode &= ~(3 << (2 * channel)); idedma_ctl = 0; /* Per drive settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; unit = drive + 2 * channel; /* add timing values, setup DMA if needed */ pio_time |= pio_modes[drvp->PIO_mode] << (8 * (unit^1)); pio_mode |= drvp->PIO_mode << (4 * unit + 16); if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && (drvp->drive_flags & DRIVE_UDMA)) { /* use Ultra/DMA, check for 80-pin cable */ if (sc->sc_rev <= 0x92 && drvp->UDMA_mode > 2 && (PCI_PRODUCT(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_SUBSYS_ID_REG)) & (1 << (14 + channel))) == 0) { WDCDEBUG_PRINT(("%s(%s:%d:%d): 80-wire " "cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); udma_mode |= drvp->UDMA_mode << (4 * unit + 16); udma_mode |= 1 << unit; idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && (drvp->drive_flags & DRIVE_DMA)) { /* use Multiword DMA */ drvp->drive_flags &= ~DRIVE_UDMA; dma_time |= dma_modes[drvp->DMA_mode] << (8 * (unit^1)); idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { /* PIO only */ drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); } } pci_conf_write(sc->sc_pc, sc->sc_tag, 0x40, pio_time); pci_conf_write(sc->sc_pc, sc->sc_tag, 0x44, dma_time); if (sc->sc_pp->ide_product != PCI_PRODUCT_RCC_OSB4_IDE) pci_conf_write(sc->sc_pc, sc->sc_tag, 0x48, pio_mode); pci_conf_write(sc->sc_pc, sc->sc_tag, 0x54, udma_mode); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); } int serverworks_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int rv = 0; int dmastat, i, crv; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if ((dmastat & (IDEDMA_CTL_ACT | IDEDMA_CTL_INTR)) != IDEDMA_CTL_INTR) continue; cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; crv = wdcintr(wdc_cp); if (crv == 0) { printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i), dmastat); } else rv = 1; } return (rv); } #define ACARD_IS_850(sc) \ ((sc)->sc_pp->ide_product == PCI_PRODUCT_ACARD_ATP850U) void acard_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int i; pcireg_t interface; bus_size_t cmdsize, ctlsize; if (pciide_chipen(sc, pa) == 0) return; /* * when the chip is in native mode it identifies itself as a * 'misc mass storage'. Fake interface in this case. */ if (PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) { interface = PCI_INTERFACE(pa->pa_class); } else { interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); } printf(": DMA"); pciide_mapreg_dma(sc, pa); printf("\n"); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_ACARD_ATP850U: sc->sc_wdcdev.UDMA_cap = 2; break; case PCI_PRODUCT_ACARD_ATP860: case PCI_PRODUCT_ACARD_ATP860A: sc->sc_wdcdev.UDMA_cap = 4; break; case PCI_PRODUCT_ACARD_ATP865A: case PCI_PRODUCT_ACARD_ATP865R: sc->sc_wdcdev.UDMA_cap = 6; break; } sc->sc_wdcdev.set_modes = acard_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = 2; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; if (pciide_chansetup(sc, i, interface) == 0) continue; if (interface & PCIIDE_INTERFACE_PCI(i)) { cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize, pciide_pci_intr); } else { cp->hw_ok = pciide_mapregs_compat(pa, cp, i, &cmdsize, &ctlsize); } if (cp->hw_ok == 0) return; cp->wdc_channel.data32iot = cp->wdc_channel.cmd_iot; cp->wdc_channel.data32ioh = cp->wdc_channel.cmd_ioh; wdcattach(&cp->wdc_channel); acard_setup_channel(&cp->wdc_channel); } if (!ACARD_IS_850(sc)) { u_int32_t reg; reg = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL); reg &= ~ATP860_CTRL_INT; pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, reg); } } void acard_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; int drive; u_int32_t idetime, udma_mode; u_int32_t idedma_ctl; /* setup DMA if needed */ pciide_channel_dma_setup(cp); if (ACARD_IS_850(sc)) { idetime = 0; udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP850_UDMA); udma_mode &= ~ATP850_UDMA_MASK(channel); } else { idetime = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_IDETIME); idetime &= ~ATP860_SETTIME_MASK(channel); udma_mode = pci_conf_read(sc->sc_pc, sc->sc_tag, ATP860_UDMA); udma_mode &= ~ATP860_UDMA_MASK(channel); } idedma_ctl = 0; /* Per drive settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; /* add timing values, setup DMA if needed */ if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) && (drvp->drive_flags & DRIVE_UDMA)) { /* use Ultra/DMA */ if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_udma[drvp->UDMA_mode], acard_rec_udma[drvp->UDMA_mode]); udma_mode |= ATP850_UDMA_MODE(channel, drive, acard_udma_conf[drvp->UDMA_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_udma[drvp->UDMA_mode], acard_rec_udma[drvp->UDMA_mode]); udma_mode |= ATP860_UDMA_MODE(channel, drive, acard_udma_conf[drvp->UDMA_mode]); } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) && (drvp->drive_flags & DRIVE_DMA)) { /* use Multiword DMA */ drvp->drive_flags &= ~DRIVE_UDMA; if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_dma[drvp->DMA_mode], acard_rec_dma[drvp->DMA_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_dma[drvp->DMA_mode], acard_rec_dma[drvp->DMA_mode]); } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); } else { /* PIO only */ drvp->drive_flags &= ~(DRIVE_UDMA | DRIVE_DMA); if (ACARD_IS_850(sc)) { idetime |= ATP850_SETTIME(drive, acard_act_pio[drvp->PIO_mode], acard_rec_pio[drvp->PIO_mode]); } else { idetime |= ATP860_SETTIME(channel, drive, acard_act_pio[drvp->PIO_mode], acard_rec_pio[drvp->PIO_mode]); } pci_conf_write(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL, pci_conf_read(sc->sc_pc, sc->sc_tag, ATP8x0_CTRL) | ATP8x0_CTRL_EN(channel)); } } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); if (ACARD_IS_850(sc)) { pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_IDETIME(channel), idetime); pci_conf_write(sc->sc_pc, sc->sc_tag, ATP850_UDMA, udma_mode); } else { pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_IDETIME, idetime); pci_conf_write(sc->sc_pc, sc->sc_tag, ATP860_UDMA, udma_mode); } } int acard_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int rv = 0; int dmastat, i, crv; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if ((dmastat & IDEDMA_CTL_INTR) == 0) continue; cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0) { (void)wdcintr(wdc_cp); bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i), dmastat); continue; } crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); else if (crv == 1) rv = 1; else if (rv == 0) rv = crv; } return (rv); } void nforce_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t interface = PCI_INTERFACE(pa->pa_class); bus_size_t cmdsize, ctlsize; u_int32_t conf; conf = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_CONF); WDCDEBUG_PRINT(("%s: conf register 0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE); if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; switch (sc->sc_pp->ide_product) { case PCI_PRODUCT_NVIDIA_NFORCE_IDE: sc->sc_wdcdev.UDMA_cap = 5; break; case PCI_PRODUCT_NVIDIA_NFORCE2_IDE: case PCI_PRODUCT_NVIDIA_NFORCE2_400_IDE: case PCI_PRODUCT_NVIDIA_NFORCE3_IDE: case PCI_PRODUCT_NVIDIA_NFORCE3_250_IDE: sc->sc_wdcdev.UDMA_cap = 6; break; default: sc->sc_wdcdev.UDMA_cap = 0; } sc->sc_wdcdev.set_modes = nforce_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; if ((conf & NFORCE_CHAN_EN(channel)) == 0) { printf("%s: %s ignored (disabled)\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name); continue; } pciide_map_compat_intr(pa, cp, channel, interface); if (cp->hw_ok == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, nforce_pci_intr); if (cp->hw_ok == 0) { pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } if (pciide_chan_candisable(cp)) { conf &= ~NFORCE_CHAN_EN(channel); pciide_unmap_compat_intr(pa, cp, channel, interface); continue; } sc->sc_wdcdev.set_modes(&cp->wdc_channel); } WDCDEBUG_PRINT(("%s: new conf register 0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, conf), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_CONF, conf); } void nforce_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive, mode; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; u_int32_t conf, piodmatim, piotim, udmatim; conf = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_CONF); piodmatim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_PIODMATIM); piotim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_PIOTIM); udmatim = pci_conf_read(sc->sc_pc, sc->sc_tag, NFORCE_UDMATIM); WDCDEBUG_PRINT(("%s: %s old timing values: piodmatim=0x%x, " "piotim=0x%x, udmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, piodmatim, piotim, udmatim), DEBUG_PROBE); /* Setup DMA if needed */ pciide_channel_dma_setup(cp); /* Clear all bits for this channel */ idedma_ctl = 0; piodmatim &= ~NFORCE_PIODMATIM_MASK(channel); udmatim &= ~NFORCE_UDMATIM_MASK(channel); /* Per channel settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 && (drvp->drive_flags & DRIVE_UDMA) != 0) { /* Setup UltraDMA mode */ drvp->drive_flags &= ~DRIVE_DMA; udmatim |= NFORCE_UDMATIM_SET(channel, drive, nforce_udma[drvp->UDMA_mode]) | NFORCE_UDMA_EN(channel, drive) | NFORCE_UDMA_ENM(channel, drive); mode = drvp->PIO_mode; } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 && (drvp->drive_flags & DRIVE_DMA) != 0) { /* Setup multiword DMA mode */ drvp->drive_flags &= ~DRIVE_UDMA; /* mode = min(pio, dma + 2) */ if (drvp->PIO_mode <= (drvp->DMA_mode + 2)) mode = drvp->PIO_mode; else mode = drvp->DMA_mode + 2; } else { goto pio; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: /* Setup PIO mode */ if (mode <= 2) { drvp->DMA_mode = 0; drvp->PIO_mode = 0; mode = 0; } else { drvp->PIO_mode = mode; drvp->DMA_mode = mode - 2; } piodmatim |= NFORCE_PIODMATIM_SET(channel, drive, nforce_pio[mode]); } if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } WDCDEBUG_PRINT(("%s: %s new timing values: piodmatim=0x%x, " "piotim=0x%x, udmatim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name, piodmatim, piotim, udmatim), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_PIODMATIM, piodmatim); pci_conf_write(sc->sc_pc, sc->sc_tag, NFORCE_UDMATIM, udmatim); pciide_print_modes(cp); } int nforce_pci_intr(void *arg) { struct pciide_softc *sc = arg; struct pciide_channel *cp; struct channel_softc *wdc_cp; int i, rv, crv; u_int32_t dmastat; rv = 0; for (i = 0; i < sc->sc_wdcdev.nchannels; i++) { cp = &sc->pciide_channels[i]; wdc_cp = &cp->wdc_channel; /* Skip compat channel */ if (cp->compat) continue; dmastat = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(i)); if ((dmastat & IDEDMA_CTL_INTR) == 0) continue; crv = wdcintr(wdc_cp); if (crv == 0) printf("%s:%d: bogus intr\n", sc->sc_wdcdev.sc_dev.dv_xname, i); else rv = 1; } return (rv); } #ifdef notyet void artisea_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; bus_size_t cmdsize, ctlsize; pcireg_t interface; int channel; if (pciide_chipen(sc, pa) == 0) return; printf("%s: DMA", sc->sc_wdcdev.sc_dev.dv_xname); #ifndef PCIIDE_I31244_ENABLEDMA if (sc->sc_rev == 0) { printf(" disabled due to rev. 0"); sc->sc_dma_ok = 0; } else #endif pciide_mapreg_dma(sc, pa); printf("\n"); /* * XXX Configure LEDs to show activity. */ sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE | WDC_CAPABILITY_SATA; sc->sc_wdcdev.PIO_cap = 4; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 6; } sc->sc_wdcdev.set_modes = sata_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; interface = PCI_INTERFACE(pa->pa_class); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); if (cp->hw_ok == 0) continue; pciide_map_compat_intr(pa, cp, channel, interface); sata_setup_channel(&cp->wdc_channel); } } #endif void ite_chip_map(struct pciide_softc *sc, struct pci_attach_args *pa) { struct pciide_channel *cp; int channel; pcireg_t interface; bus_size_t cmdsize, ctlsize; pcireg_t cfg, modectl; /* * Fake interface since IT8212F is claimed to be a ``RAID'' device. */ interface = PCIIDE_INTERFACE_BUS_MASTER_DMA | PCIIDE_INTERFACE_PCI(0) | PCIIDE_INTERFACE_PCI(1); cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG); modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE); WDCDEBUG_PRINT(("%s: cfg=0x%x, modectl=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, cfg & IT_CFG_MASK, modectl & IT_MODE_MASK), DEBUG_PROBE); if (pciide_chipen(sc, pa) == 0) return; printf(": DMA"); pciide_mapreg_dma(sc, pa); sc->sc_wdcdev.cap = WDC_CAPABILITY_DATA16 | WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE; if (sc->sc_dma_ok) { sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA; sc->sc_wdcdev.cap |= WDC_CAPABILITY_IRQACK; sc->sc_wdcdev.irqack = pciide_irqack; } sc->sc_wdcdev.PIO_cap = 4; sc->sc_wdcdev.DMA_cap = 2; sc->sc_wdcdev.UDMA_cap = 6; sc->sc_wdcdev.set_modes = ite_setup_channel; sc->sc_wdcdev.channels = sc->wdc_chanarray; sc->sc_wdcdev.nchannels = PCIIDE_NUM_CHANNELS; pciide_print_channels(sc->sc_wdcdev.nchannels, interface); /* Disable RAID */ modectl &= ~IT_MODE_RAID1; /* Disable CPU firmware mode */ modectl &= ~IT_MODE_CPU; pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl); for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) { cp = &sc->pciide_channels[channel]; if (pciide_chansetup(sc, channel, interface) == 0) continue; pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize, pciide_pci_intr); sc->sc_wdcdev.set_modes(&cp->wdc_channel); } /* Re-read configuration registers after channels setup */ cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG); modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE); WDCDEBUG_PRINT(("%s: cfg=0x%x, modectl=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, cfg & IT_CFG_MASK, modectl & IT_MODE_MASK), DEBUG_PROBE); } void ite_setup_channel(struct channel_softc *chp) { struct ata_drive_datas *drvp; int drive, mode; u_int32_t idedma_ctl; struct pciide_channel *cp = (struct pciide_channel *)chp; struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc; int channel = chp->channel; pcireg_t cfg, modectl; pcireg_t tim; cfg = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_CFG); modectl = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_MODE); tim = pci_conf_read(sc->sc_pc, sc->sc_tag, IT_TIM(channel)); WDCDEBUG_PRINT(("%s:%d: tim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel, tim), DEBUG_PROBE); /* Setup DMA if needed */ pciide_channel_dma_setup(cp); /* Clear all bits for this channel */ idedma_ctl = 0; /* Per channel settings */ for (drive = 0; drive < 2; drive++) { drvp = &chp->ch_drive[drive]; /* If no drive, skip */ if ((drvp->drive_flags & DRIVE) == 0) continue; if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) != 0 && (drvp->drive_flags & DRIVE_UDMA) != 0) { /* Setup UltraDMA mode */ drvp->drive_flags &= ~DRIVE_DMA; modectl &= ~IT_MODE_DMA(channel, drive); #if 0 /* Check cable, works only in CPU firmware mode */ if (drvp->UDMA_mode > 2 && (cfg & IT_CFG_CABLE(channel, drive)) == 0) { WDCDEBUG_PRINT(("%s(%s:%d:%d): " "80-wire cable not detected\n", drvp->drive_name, sc->sc_wdcdev.sc_dev.dv_xname, channel, drive), DEBUG_PROBE); drvp->UDMA_mode = 2; } #endif if (drvp->UDMA_mode >= 5) tim |= IT_TIM_UDMA5(drive); else tim &= ~IT_TIM_UDMA5(drive); mode = drvp->PIO_mode; } else if ((chp->wdc->cap & WDC_CAPABILITY_DMA) != 0 && (drvp->drive_flags & DRIVE_DMA) != 0) { /* Setup multiword DMA mode */ drvp->drive_flags &= ~DRIVE_UDMA; modectl |= IT_MODE_DMA(channel, drive); /* mode = min(pio, dma + 2) */ if (drvp->PIO_mode <= (drvp->DMA_mode + 2)) mode = drvp->PIO_mode; else mode = drvp->DMA_mode + 2; } else { goto pio; } idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive); pio: /* Setup PIO mode */ if (mode <= 2) { drvp->DMA_mode = 0; drvp->PIO_mode = 0; mode = 0; } else { drvp->PIO_mode = mode; drvp->DMA_mode = mode - 2; } /* Enable IORDY if PIO mode >= 3 */ if (drvp->PIO_mode >= 3) cfg |= IT_CFG_IORDY(channel); } WDCDEBUG_PRINT(("%s: tim=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, tim), DEBUG_PROBE); pci_conf_write(sc->sc_pc, sc->sc_tag, IT_CFG, cfg); pci_conf_write(sc->sc_pc, sc->sc_tag, IT_MODE, modectl); pci_conf_write(sc->sc_pc, sc->sc_tag, IT_TIM(channel), tim); if (idedma_ctl != 0) { /* Add software bits in status register */ bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh, IDEDMA_CTL(channel), idedma_ctl); } pciide_print_modes(cp); }