377 lines
11 KiB
C
377 lines
11 KiB
C
/* $NetBSD: siopreg.h,v 1.6 2000/06/12 20:13:41 bouyer Exp $ */
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/*
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* Copyright (c) 2000 Manuel Bouyer.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Manuel Bouyer
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* Devices definitions for Symbios/NCR M53c8xx PCI-SCSI I/O Processors
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* Docs available from http://www.symbios.com/
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*/
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#define SIOP_SCNTL0 0x00 /* SCSI control 0, R/W */
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#define SCNTL0_ARB_MASK 0xc0
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#define SCNTL0_SARB 0x00
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#define SCNTL0_FARB 0xc0
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#define SCNTL0_START 0x20
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#define SCNTL0_WATM 0x10
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#define SCNTL0_EPC 0x08
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#define SCNTL0_AAP 0x02
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#define SCNTL0_TRG 0x01
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#define SIOP_SCNTL1 0x01 /* SCSI control 1, R/W */
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#define SCNTL1_EXC 0x80
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#define SCNTL1_ADB 0x40
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#define SCNTL1_DHP 0x20
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#define SCNTL1_CON 0x10
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#define SCNTL1_RST 0x08
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#define SCNTL1_AESP 0x04
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#define SCNTL1_IARB 0x02
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#define SCNTL1_SST 0x01
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#define SIOP_SCNTL2 0x02 /* SCSI control 2, R/W */
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#define SCNTL2_SDU 0x80
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#define SCNTL2_CHM 0x40 /* 875 only */
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#define SCNTL2_SLPMD 0x20 /* 875 only */
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#define SCNTL2_SLPHBEN 0x10 /* 875 only */
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#define SCNTL2_WSS 0x08 /* 875 only */
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#define SCNTL2_VUE0 0x04 /* 875 only */
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#define SCNTL2_VUE1 0x02 /* 875 only */
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#define SCNTL2_WSR 0x01 /* 875 only */
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#define SIOP_SCNTL3 0x03 /* SCSI control 3, R/W */
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#define SCNTL3_ULTRA 0x80 /* 875 only */
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#define SCNTL3_SCF_SHIFT 4
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#define SCNTL3_SCF_MASK 0x70
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#define SCNTL3_EWS 0x08 /* 875 only */
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#define SCNTL3_CCF_SHIFT 0
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#define SCNTL3_CCF_MASK 0x07
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/* periods for various SCF values, assume transfer period of 4 */
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struct scf_period {
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int clock; /* clock period (ns * 10) */
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int period; /* scsi period, as set in the SDTR message */
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int scf; /* scf value to use */
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char *rate; /* the resulting rate */
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};
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static const struct scf_period scf_period[] __attribute__((__unused__)) = {
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{250, 25, 1, "10.0"},
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{250, 37, 2, "6.67"},
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{250, 50, 3, "5.0"},
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{250, 75, 4, "3.33"},
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{125, 12, 1, "20.0"},
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{125, 18, 2, "13.33"},
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{125, 25, 3, "10.0"},
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{125, 37, 4, "6.67"},
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{125, 50, 5, "5.0"},
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{ 62, 10, 1, "40.0"},
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{ 62, 12, 3, "20.0"},
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{ 62, 18, 4, "13.3"},
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{ 62, 25, 5, "10.0"},
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};
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#define SIOP_SCID 0x04 /* SCSI chip ID R/W */
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#define SCID_RRE 0x40
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#define SCID_SRE 0x20
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#define SCID_ENCID_SHIFT 0
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#define SCID_ENCID_MASK 0x07
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#define SIOP_SCXFER 0x05 /* SCSI transfer, R/W */
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#define SCXFER_TP_SHIFT 5
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#define SCXFER_TP_MASK 0xe0
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#define SCXFER_MO_SHIFT 0
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#define SCXFER_MO_MASK 0x1f
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#define SIOP_SDID 0x06 /* SCSI destiation ID, R/W */
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#define SDID_ENCID_SHIFT 0
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#define SDID_ENCID_MASK 0x07
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#define SIOP_GPREG 0x07 /* General purpose, R/W */
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#define GPREG_GPIO4 0x10 /* 875 only */
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#define GPREG_GPIO3 0x08 /* 875 only */
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#define GPREG_GPIO2 0x04 /* 875 only */
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#define GPREG_GPIO1 0x02
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#define GPREG_GPIO0 0x01
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#define SIOP_SFBR 0x08 /* SCSI first byte received, R/W */
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#define SIOP_SOCL 0x09 /* SCSI output control latch, RW */
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#define SIOP_SSID 0x0A /* SCSI selector ID, RO */
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#define SSID_VAL 0x80
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#define SSID_ENCID_SHIFT 0
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#define SSID_ENCID_MASK 0x0f
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#define SIOP_SBCL 0x0B /* SCSI control line, RO */
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#define SIOP_DSTAT 0x0C /* DMA status, RO */
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#define DSTAT_DFE 0x80
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#define DSTAT_MDPE 0x40
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#define DSTAT_BF 0x20
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#define DSTAT_ABRT 0x10
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#define DSTAT_SSI 0x08
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#define DSTAT_SIR 0x04
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#define DSTAT_IID 0x01
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#define SIOP_SSTAT0 0x0D /* STSI status 0, RO */
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#define SSTAT0_ILF 0x80
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#define SSTAT0_ORF 0x40
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#define SSTAT0_OLF 0x20
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#define SSTAT0_AIP 0x10
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#define SSTAT0_LOA 0x08
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#define SSTAT0_WOA 0x04
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#define SSTAT0_RST 0x02
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#define SSTAT0_SDP 0x01
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#define SIOP_SSTAT1 0x0E /* STSI status 1, RO */
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#define SSTAT1_FFO_SHIFT 4
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#define SSTAT1_FFO_MASK 0x80
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#define SSTAT1_SDPL 0x08
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#define SSTAT1_MSG 0x04
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#define SSTAT1_CD 0x02
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#define SSTAT1_IO 0x01
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#define SSTAT1_PHASE_MASK (SSTAT1_IO | SSTAT1_CD | SSTAT1_MSG)
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#define SSTAT1_PHASE_DATAOUT 0
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#define SSTAT1_PHASE_DATAIN SSTAT1_IO
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#define SSTAT1_PHASE_CMD SSTAT1_CD
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#define SSTAT1_PHASE_STATUS (SSTAT1_CD | SSTAT1_IO)
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#define SSTAT1_PHASE_MSGOUT (SSTAT1_MSG | SSTAT1_CD)
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#define SSTAT1_PHASE_MSGIN (SSTAT1_MSG | SSTAT1_CD | SSTAT1_IO)
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#define SIOP_SSTAT2 0x0F /* STSI status 2, RO */
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#define SSTAT2_ILF1 0x80 /* 875 only */
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#define SSTAT2_ORF1 0x40 /* 875 only */
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#define SSTAT2_OLF1 0x20 /* 875 only */
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#define SSTAT2_FF4 0x10 /* 875 only */
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#define SSTAT2_SPL1 0x08 /* 875 only */
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#define SSTAT2_DF 0x04 /* 875 only */
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#define SSTAT2_LDSC 0x02
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#define SSTAT2_SDP1 0x01 /* 875 only */
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#define SIOP_DSA 0x10 /* data struct addr, R/W */
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#define SIOP_ISTAT 0x14 /* IRQ status, R/W */
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#define ISTAT_ABRT 0x80
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#define ISTAT_SRST 0x40
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#define ISTAT_SIGP 0x20
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#define ISTAT_SEM 0x10
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#define ISTAT_CON 0x08
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#define ISTAT_INTF 0x04
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#define ISTAT_SIP 0x02
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#define ISTAT_DIP 0x01
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#define SIOP_CTEST0 0x18 /* Chip test 0, R/W */
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#define SIOP_CTEST1 0x19 /* Chip test 1, R/W */
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#define SIOP_CTEST2 0x1A /* Chip test 2, R/W */
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#define CTEST2_SRTCH 0x04 /* 875 only */
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#define SIOP_CTEST3 0x1B /* Chip test 3, R/W */
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#define CTEST3_FLF 0x08
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#define CTEST3_CLF 0x04
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#define CTEST3_FM 0x02
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#define CTEST3_WRIE 0x01
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#define SIOP_TEMP 0x1C /* Temp register (used by CALL/RET), R/W */
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#define SIOP_DFIFO 0x20 /* DMA FIFO */
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#define SIOP_CTEST4 0x21 /* Chip test 4, R/W */
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#define CTEST4_BDIS 0x80
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#define CTEST_ZMOD 0x40
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#define CTEST_ZSD 0x20
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#define CTEST_SRTM 0x10
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#define CTEST_MPEE 0x08
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#define SIOP_CTEST5 0x22 /* Chip test 5, R/W */
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#define CTEST5_ADCK 0x80
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#define CTEST5_BBCK 0x40
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#define CTEST5_DFS 0x20
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#define CTEST5_MASR 0x10
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#define CTEST5_DDIR 0x08
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#define CTEST5_BOMASK 0x03
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#define SIOP_CTEST6 0x23 /* Chip test 6, R/W */
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#define SIOP_DBC 0x24 /* DMA byte counter, R/W */
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#define SIOP_DCMD 0x27 /* DMA command, R/W */
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#define SIOP_DNAD 0x28 /* DMA next addr, R/W */
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#define SIOP_DSP 0x2C /* DMA scripts pointer, R/W */
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#define SIOP_DSPS 0x30 /* DMA scripts pointer save, R/W */
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#define SIOP_SCRATCHA 0x34 /* scratch register A. R/W */
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#define SIOP_DMODE 0x38 /* DMA mode, R/W */
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#define DMODE_BL_SHIFT 6
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#define DMODE_BL_MASK 0xC0
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#define DMODE_SIOM 0x20
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#define DMODE_DIOM 0x10
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#define DMODE_ERL 0x08
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#define DMODE_ERMP 0x04
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#define DMODE_BOF 0x02
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#define DMODE_MAN 0x01
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#define SIOP_DIEN 0x39 /* DMA interrupt enable, R/W */
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#define DIEN_MDPE 0x40
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#define DIEN_BF 0x20
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#define DIEN_AVRT 0x10
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#define DIEN_SSI 0x08
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#define DIEN_SIR 0x04
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#define DIEN_IID 0x01
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#define SIOP_SBR 0x3A /* scratch byte register, R/W */
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#define SIOP_DCNTL 0x3B /* DMA control, R/W */
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#define DCNTL_CLSE 0x80
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#define DCNTL_PFF 0x40
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#define DCNTL_PFEN 0x20
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#define DCNTL_SSM 0x10
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#define DCNTL_IRQM 0x08
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#define DCNTL_STD 0x04
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#define DCNTL_IRQD 0x02
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#define DCNTL_COM 0x01
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#define SIOP_ADDER 0x3C /* adder output sum, RO */
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#define SIOP_SIEN0 0x40 /* SCSI interrupt enable 0, R/W */
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#define SIEN0_MA 0x80
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#define SIEN0_CMP 0x40
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#define SIEN0_SEL 0x20
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#define SIEN0_RSL 0x10
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#define SIEN0_SGE 0x08
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#define SIEN0_UDC 0x04
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#define SIEN0_SRT 0x02
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#define SIEN0_PAR 0x01
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#define SIOP_SIEN1 0x41 /* SCSI interrupt enable 1, R/W */
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#define SIEN1_SBMC 0x10 /* 895 only */
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#define SIEN1_STO 0x04
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#define SIEN1_GEN 0x02
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#define SIEN1_HTH 0x01
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#define SIOP_SIST0 0x42 /* SCSI interrupt status 0, RO */
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#define SIST0_MA 0x80
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#define SIST0_CMP 0x40
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#define SIST0_SEL 0x20
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#define SIST0_RSL 0x10
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#define SIST0_SGE 0x08
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#define SIST0_UDC 0x04
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#define SIST0_RST 0x02
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#define SIST0_PAR 0x01
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#define SIOP_SIST1 0x43 /* SCSI interrut status 1, RO */
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#define SIST1_SBMC 0x10 /* 895 only */
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#define SIST1_STO 0x04
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#define SIST1_GEN 0x02
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#define SIST1_HTH 0x01
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#define SIOP_SLPAR 0x44 /* scsi longitudinal parity, R/W */
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#define SIOP_SWIDE 0x45 /* scsi wide residue, RW, 875 only */
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#define SIOP_MACNTL 0x46 /* memory access control, R/W */
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#define SIOP_GPCNTL 0x47 /* General Purpose Pin control, R/W */
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#define GPCNTL_ME 0x80 /* 875 only */
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#define GPCNTL_FE 0x40 /* 875 only */
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#define GPCNTL_IN4 0x10 /* 875 only */
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#define GPCNTL_IN3 0x08 /* 875 only */
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#define GPCNTL_IN2 0x04 /* 875 only */
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#define GPCNTL_IN1 0x02
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#define GPCNTL_IN0 0x01
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#define SIOP_STIME0 0x48 /* SCSI timer 0, R/W */
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#define STIME0_HTH_SHIFT 4
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#define STIME0_HTH_MASK 0xf0
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#define STIME0_SEL_SHIFT 0
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#define STIME0_SEL_MASK 0x0f
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#define SIOP_STIME1 0x49 /* SCSI timer 1, R/W */
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#define STIME1_HTHBA 0x40 /* 875 only */
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#define STIME1_GENSF 0x20 /* 875 only */
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#define STIME1_HTHSF 0x10 /* 875 only */
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#define STIME1_GEN_SHIFT 0
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#define STIME1_GEN_MASK 0x0f
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#define SIOP_RESPID0 0x4A /* response ID, R/W */
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#define SIOP_RESPID1 0x4B /* response ID, R/W, 875-only */
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#define SIOP_STEST0 0x4C /* SCSI test 0, RO */
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#define SIOP_STEST1 0x4D /* SCSI test 1, RO, RW on 875 */
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#define STEST1_DBLEN 0x08 /* 875-only */
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#define STEST1_DBLSEL 0x04 /* 875-only */
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#define SIOP_STEST2 0x4E /* SCSI test 2, RO, R/W on 875 */
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#define STEST2_DIF 0x20 /* 875 only */
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#define STEST2_EXT 0x02
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#define SIOP_STEST3 0x4F /* SCSI test 3, RO, RW on 875 */
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#define STEST3_TE 0x80
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#define STEST3_HSC 0x20
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#define SIOP_STEST4 0x52 /* SCSI test 4, 895 only */
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#define STEST4_MODE_MASK 0xc0
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#define STEST4_MODE_DIF 0x40
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#define STEST4_MODE_SE 0x80
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#define STEST4_MODE_LVD 0xc0
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#define STEST4_LOCK 0x20
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#define STEST4_
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#define SIOP_SIDL 0x50 /* SCSI input data latch, RO */
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#define SIOP_SODL 0x54 /* SCSI output data latch, R/W */
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#define SIOP_SBDL 0x58 /* SCSI bus data lines, RO */
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#define SIOP_SCRATCHB 0x5C /* Scratch register B, R/W */
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#define SIOP_SCRATCHC 0x60 /* Scratch register C, R/W, 875 only */
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#define SIOP_SCRATCHD 0x64 /* Scratch register D, R/W, 875-only */
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#define SIOP_SCRATCHE 0x68 /* Scratch register E, R/W, 875-only */
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#define SIOP_SCRATCHF 0x6c /* Scratch register F, R/W, 875-only */
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#define SIOP_SCRATCHG 0x70 /* Scratch register G, R/W, 875-only */
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#define SIOP_SCRATCHH 0x74 /* Scratch register H, R/W, 875-only */
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#define SIOP_SCRATCHI 0x78 /* Scratch register I, R/W, 875-only */
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#define SIOP_SCRATCHJ 0x7c /* Scratch register J, R/W, 875-only */
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