4282 lines
72 KiB
Reg
4282 lines
72 KiB
Reg
/*
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* Aic79xx register and scratch ram definitions.
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*
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* Copyright (c) 1994-2001, 2004 Justin T. Gibbs.
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* Copyright (c) 2000-2002 Adaptec Inc.
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* All rights reserved.
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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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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#77 $"
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/*
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* This file is processed by the aic7xxx_asm utility for use in assembling
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* firmware for the aic79xx family of SCSI host adapters as well as to generate
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* a C header file for use in the kernel portion of the Aic79xx driver.
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*/
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/* Register window Modes */
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#define M_DFF0 0
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#define M_DFF1 1
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#define M_CCHAN 2
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#define M_SCSI 3
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#define M_CFG 4
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#define M_DST_SHIFT 4
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#define MK_MODE(src, dst) ((src) | ((dst) << M_DST_SHIFT))
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#define SET_MODE(src, dst) \
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SET_SRC_MODE src; \
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SET_DST_MODE dst; \
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if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
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mvi MK_MODE(src, dst) call set_mode_work_around; \
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} else { \
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mvi MODE_PTR, MK_MODE(src, dst); \
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}
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#define RESTORE_MODE(mode) \
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if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
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mov mode call set_mode_work_around; \
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} else { \
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mov MODE_PTR, mode; \
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}
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#define SET_SEQINTCODE(code) \
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if ((ahd->bugs & AHD_INTCOLLISION_BUG) != 0) { \
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mvi code call set_seqint_work_around; \
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} else { \
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mvi SEQINTCODE, code; \
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}
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/*
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* Registers marked "dont_generate_debug_code" are not (yet) referenced
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* from the driver code, and this keyword inhibit generation
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* of debug code for them.
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*
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* REG_PRETTY_PRINT config will complain if dont_generate_debug_code
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* is added to the register which is referenced in the driver.
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* Unreferenced register with no dont_generate_debug_code will result
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* in dead code. No warning is issued.
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*/
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/*
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* Mode Pointer
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* Controls which of the 5, 512byte, address spaces should be used
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* as the source and destination of any register accesses in our
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* register window.
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*/
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register MODE_PTR {
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address 0x000
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access_mode RW
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field DST_MODE 0x70
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field SRC_MODE 0x07
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mode_pointer
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dont_generate_debug_code
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}
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const SRC_MODE_SHIFT 0
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const DST_MODE_SHIFT 4
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/*
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* Host Interrupt Status
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*/
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register INTSTAT {
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address 0x001
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access_mode RW
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field HWERRINT 0x80
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field BRKADRINT 0x40
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field SWTMINT 0x20
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field PCIINT 0x10
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field SCSIINT 0x08
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field SEQINT 0x04
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field CMDCMPLT 0x02
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field SPLTINT 0x01
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mask INT_PEND 0xFF
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}
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/*
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* Sequencer Interrupt Code
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*/
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register SEQINTCODE {
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address 0x002
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access_mode RW
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field {
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NO_SEQINT, /* No seqint pending. */
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BAD_PHASE, /* unknown scsi bus phase */
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SEND_REJECT, /* sending a message reject */
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PROTO_VIOLATION, /* Protocol Violation */
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NO_MATCH, /* no cmd match for reconnect */
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IGN_WIDE_RES, /* Complex IGN Wide Res Msg */
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PDATA_REINIT, /*
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* Returned to data phase
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* that requires data
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* transfer pointers to be
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* recalculated from the
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* transfer residual.
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*/
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HOST_MSG_LOOP, /*
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* The bus is ready for the
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* host to perform another
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* message transaction. This
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* mechanism is used for things
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* like sync/wide negotiation
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* that require a kernel based
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* message state engine.
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*/
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BAD_STATUS, /* Bad status from target */
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DATA_OVERRUN, /*
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* Target attempted to write
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* beyond the bounds of its
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* command.
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*/
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MKMSG_FAILED, /*
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* Target completed command
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* without honoring our ATN
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* request to issue a message.
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*/
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MISSED_BUSFREE, /*
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* The sequencer never saw
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* the bus go free after
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* either a command complete
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* or disconnect message.
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*/
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DUMP_CARD_STATE,
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ILLEGAL_PHASE,
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INVALID_SEQINT,
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CFG4ISTAT_INTR,
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STATUS_OVERRUN,
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CFG4OVERRUN,
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ENTERING_NONPACK,
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TASKMGMT_FUNC_COMPLETE, /*
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* Task management function
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* request completed with
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* an expected busfree.
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*/
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TASKMGMT_CMD_CMPLT_OKAY, /*
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* A command with a non-zero
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* task management function
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* has completed via the normal
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* command completion method
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* for commands with a zero
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* task management function.
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* This happens when an attempt
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* to abort a command loses
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* the race for the command to
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* complete normally.
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*/
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TRACEPOINT0,
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TRACEPOINT1,
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TRACEPOINT2,
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TRACEPOINT3,
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SAW_HWERR,
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BAD_SCB_STATUS
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}
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dont_generate_debug_code
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}
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/*
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* Clear Host Interrupt
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*/
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register CLRINT {
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address 0x003
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access_mode WO
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count 19
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field CLRHWERRINT 0x80 /* Rev B or greater */
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field CLRBRKADRINT 0x40
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field CLRSWTMINT 0x20
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field CLRPCIINT 0x10
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field CLRSCSIINT 0x08
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field CLRSEQINT 0x04
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field CLRCMDINT 0x02
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field CLRSPLTINT 0x01
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dont_generate_debug_code
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}
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/*
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* Error Register
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*/
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register ERROR {
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address 0x004
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access_mode RO
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field CIOPARERR 0x80
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field CIOACCESFAIL 0x40 /* Rev B or greater */
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field MPARERR 0x20
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field DPARERR 0x10
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field SQPARERR 0x08
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field ILLOPCODE 0x04
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field DSCTMOUT 0x02
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dont_generate_debug_code
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}
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/*
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* Clear Error
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*/
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register CLRERR {
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address 0x004
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access_mode WO
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field CLRCIOPARERR 0x80
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field CLRCIOACCESFAIL 0x40 /* Rev B or greater */
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field CLRMPARERR 0x20
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field CLRDPARERR 0x10
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field CLRSQPARERR 0x08
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field CLRILLOPCODE 0x04
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field CLRDSCTMOUT 0x02
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}
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/*
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* Host Control Register
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* Overall host control of the device.
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*/
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register HCNTRL {
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address 0x005
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access_mode RW
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count 12
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field SEQ_RESET 0x80 /* Rev B or greater */
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field POWRDN 0x40
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field SWINT 0x10
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field SWTIMER_START_B 0x08 /* Rev B or greater */
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field PAUSE 0x04
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field INTEN 0x02
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field CHIPRST 0x01
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field CHIPRSTACK 0x01
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dont_generate_debug_code
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}
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/*
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* Host New SCB Queue Offset
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*/
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register HNSCB_QOFF {
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address 0x006
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access_mode RW
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size 2
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count 2
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dont_generate_debug_code
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}
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/*
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* Host Empty SCB Queue Offset
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*/
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register HESCB_QOFF {
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address 0x008
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access_mode RW
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count 2
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dont_generate_debug_code
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}
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/*
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* Host Mailbox
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*/
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register HS_MAILBOX {
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address 0x00B
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access_mode RW
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mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
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mask ENINT_COALESCE 0x40 /* Perform interrupt coalescing */
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}
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/*
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* Sequencer Interupt Status
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*/
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register SEQINTSTAT {
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address 0x00C
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count 1
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access_mode RO
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field SEQ_SWTMRTO 0x10
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field SEQ_SEQINT 0x08
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field SEQ_SCSIINT 0x04
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field SEQ_PCIINT 0x02
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field SEQ_SPLTINT 0x01
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}
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/*
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* Clear SEQ Interrupt
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*/
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register CLRSEQINTSTAT {
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address 0x00C
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access_mode WO
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field CLRSEQ_SWTMRTO 0x10
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field CLRSEQ_SEQINT 0x08
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field CLRSEQ_SCSIINT 0x04
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field CLRSEQ_PCIINT 0x02
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field CLRSEQ_SPLTINT 0x01
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dont_generate_debug_code
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}
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/*
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* Software Timer
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*/
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register SWTIMER {
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address 0x00E
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access_mode RW
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size 2
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dont_generate_debug_code
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}
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/*
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* SEQ New SCB Queue Offset
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*/
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register SNSCB_QOFF {
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address 0x010
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access_mode RW
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size 2
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modes M_CCHAN
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dont_generate_debug_code
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}
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/*
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* SEQ Empty SCB Queue Offset
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*/
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register SESCB_QOFF {
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address 0x012
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count 2
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access_mode RW
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modes M_CCHAN
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dont_generate_debug_code
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}
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/*
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* SEQ Done SCB Queue Offset
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*/
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register SDSCB_QOFF {
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address 0x014
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access_mode RW
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modes M_CCHAN
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size 2
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dont_generate_debug_code
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}
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/*
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* Queue Offset Control & Status
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*/
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register QOFF_CTLSTA {
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address 0x016
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access_mode RW
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modes M_CCHAN
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field EMPTY_SCB_AVAIL 0x80
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field NEW_SCB_AVAIL 0x40
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field SDSCB_ROLLOVR 0x20
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field HS_MAILBOX_ACT 0x10
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field SCB_QSIZE 0x0F {
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SCB_QSIZE_4,
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SCB_QSIZE_8,
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SCB_QSIZE_16,
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SCB_QSIZE_32,
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SCB_QSIZE_64,
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SCB_QSIZE_128,
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SCB_QSIZE_256,
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SCB_QSIZE_512,
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SCB_QSIZE_1024,
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SCB_QSIZE_2048,
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SCB_QSIZE_4096,
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SCB_QSIZE_8192,
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SCB_QSIZE_16384
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}
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dont_generate_debug_code
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}
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/*
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* Interrupt Control
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*/
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register INTCTL {
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address 0x018
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access_mode RW
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field SWTMINTMASK 0x80
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field SWTMINTEN 0x40
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field SWTIMER_START 0x20
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field AUTOCLRCMDINT 0x10
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field PCIINTEN 0x08
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field SCSIINTEN 0x04
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field SEQINTEN 0x02
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field SPLTINTEN 0x01
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}
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/*
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* Data FIFO Control
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*/
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register DFCNTRL {
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address 0x019
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access_mode RW
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modes M_DFF0, M_DFF1
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count 11
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field PRELOADEN 0x80
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|
field SCSIENWRDIS 0x40 /* Rev B only. */
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field SCSIEN 0x20
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field SCSIENACK 0x20
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field HDMAEN 0x08
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field HDMAENACK 0x08
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field DIRECTION 0x04
|
|
field DIRECTIONACK 0x04
|
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field FIFOFLUSH 0x02
|
|
field FIFOFLUSHACK 0x02
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field DIRECTIONEN 0x01
|
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}
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|
|
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/*
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* Device Space Command 0
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*/
|
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register DSCOMMAND0 {
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address 0x019
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count 1
|
|
access_mode RW
|
|
modes M_CFG
|
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field CACHETHEN 0x80 /* Cache Threshold enable */
|
|
field DPARCKEN 0x40 /* Data Parity Check Enable */
|
|
field MPARCKEN 0x20 /* Memory Parity Check Enable */
|
|
field EXTREQLCK 0x10 /* External Request Lock */
|
|
field DISABLE_TWATE 0x02 /* Rev B or greater */
|
|
field CIOPARCKEN 0x01 /* Internal bus parity error enable */
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Status
|
|
*/
|
|
register DFSTATUS {
|
|
address 0x01A
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field PRELOAD_AVAIL 0x80
|
|
field PKT_PRELOAD_AVAIL 0x40
|
|
field MREQPEND 0x10
|
|
field HDONE 0x08
|
|
field DFTHRESH 0x04
|
|
field FIFOFULL 0x02
|
|
field FIFOEMP 0x01
|
|
}
|
|
|
|
/*
|
|
* S/G Cache Pointer
|
|
*/
|
|
register SG_CACHE_PRE {
|
|
address 0x01B
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1
|
|
field SG_ADDR_MASK 0xf8
|
|
field ODD_SEG 0x04
|
|
field LAST_SEG 0x02
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
register SG_CACHE_SHADOW {
|
|
address 0x01B
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field SG_ADDR_MASK 0xf8
|
|
field ODD_SEG 0x04
|
|
field LAST_SEG 0x02
|
|
field LAST_SEG_DONE 0x01
|
|
}
|
|
|
|
/*
|
|
* Arbiter Control
|
|
*/
|
|
register ARBCTL {
|
|
address 0x01B
|
|
access_mode RW
|
|
modes M_CFG
|
|
field RESET_HARB 0x80
|
|
field RETRY_SWEN 0x08
|
|
field USE_TIME 0x07
|
|
}
|
|
|
|
/*
|
|
* Data Channel Host Address
|
|
*/
|
|
register HADDR {
|
|
address 0x070
|
|
access_mode RW
|
|
size 8
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Host Overlay DMA Address
|
|
*/
|
|
register HODMAADR {
|
|
address 0x070
|
|
access_mode RW
|
|
size 8
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* PCI PLL Delay.
|
|
*/
|
|
register PLLDELAY {
|
|
address 0x070
|
|
access_mode RW
|
|
size 1
|
|
modes M_CFG
|
|
field SPLIT_DROP_REQ 0x80
|
|
}
|
|
|
|
/*
|
|
* Data Channel Host Count
|
|
*/
|
|
register HCNT {
|
|
address 0x078
|
|
access_mode RW
|
|
size 3
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Host Overlay DMA Count
|
|
*/
|
|
register HODMACNT {
|
|
address 0x078
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Host Overlay DMA Enable
|
|
*/
|
|
register HODMAEN {
|
|
address 0x07A
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Scatter/Gather Host Address
|
|
*/
|
|
register SGHADDR {
|
|
address 0x07C
|
|
access_mode RW
|
|
size 8
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCB Host Address
|
|
*/
|
|
register SCBHADDR {
|
|
address 0x07C
|
|
access_mode RW
|
|
size 8
|
|
modes M_CCHAN
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Scatter/Gather Host Count
|
|
*/
|
|
register SGHCNT {
|
|
address 0x084
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCB Host Count
|
|
*/
|
|
register SCBHCNT {
|
|
address 0x084
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Threshold
|
|
*/
|
|
register DFF_THRSH {
|
|
address 0x088
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field WR_DFTHRSH 0x70 {
|
|
WR_DFTHRSH_MIN,
|
|
WR_DFTHRSH_25,
|
|
WR_DFTHRSH_50,
|
|
WR_DFTHRSH_63,
|
|
WR_DFTHRSH_75,
|
|
WR_DFTHRSH_85,
|
|
WR_DFTHRSH_90,
|
|
WR_DFTHRSH_MAX
|
|
}
|
|
field RD_DFTHRSH 0x07 {
|
|
RD_DFTHRSH_MIN,
|
|
RD_DFTHRSH_25,
|
|
RD_DFTHRSH_50,
|
|
RD_DFTHRSH_63,
|
|
RD_DFTHRSH_75,
|
|
RD_DFTHRSH_85,
|
|
RD_DFTHRSH_90,
|
|
RD_DFTHRSH_MAX
|
|
}
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* ROM Address
|
|
*/
|
|
register ROMADDR {
|
|
address 0x08A
|
|
access_mode RW
|
|
size 3
|
|
}
|
|
|
|
/*
|
|
* ROM Control
|
|
*/
|
|
register ROMCNTRL {
|
|
address 0x08D
|
|
access_mode RW
|
|
field ROMOP 0xE0
|
|
field ROMSPD 0x18
|
|
field REPEAT 0x02
|
|
field RDY 0x01
|
|
}
|
|
|
|
/*
|
|
* ROM Data
|
|
*/
|
|
register ROMDATA {
|
|
address 0x08E
|
|
access_mode RW
|
|
}
|
|
|
|
/*
|
|
* Data Channel Receive Message 0
|
|
*/
|
|
register DCHRXMSG0 {
|
|
address 0x090
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field CDNUM 0xF8
|
|
field CFNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* CMC Recieve Message 0
|
|
*/
|
|
register CMCRXMSG0 {
|
|
address 0x090
|
|
access_mode RO
|
|
modes M_CCHAN
|
|
field CDNUM 0xF8
|
|
field CFNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* Overlay Recieve Message 0
|
|
*/
|
|
register OVLYRXMSG0 {
|
|
address 0x090
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field CDNUM 0xF8
|
|
field CFNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* Relaxed Order Enable
|
|
*/
|
|
register ROENABLE {
|
|
address 0x090
|
|
access_mode RW
|
|
modes M_CFG
|
|
field MSIROEN 0x20
|
|
field OVLYROEN 0x10
|
|
field CMCROEN 0x08
|
|
field SGROEN 0x04
|
|
field DCH1ROEN 0x02
|
|
field DCH0ROEN 0x01
|
|
}
|
|
|
|
/*
|
|
* Data Channel Receive Message 1
|
|
*/
|
|
register DCHRXMSG1 {
|
|
address 0x091
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field CBNUM 0xFF
|
|
}
|
|
|
|
/*
|
|
* CMC Recieve Message 1
|
|
*/
|
|
register CMCRXMSG1 {
|
|
address 0x091
|
|
access_mode RO
|
|
modes M_CCHAN
|
|
field CBNUM 0xFF
|
|
}
|
|
|
|
/*
|
|
* Overlay Recieve Message 1
|
|
*/
|
|
register OVLYRXMSG1 {
|
|
address 0x091
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field CBNUM 0xFF
|
|
}
|
|
|
|
/*
|
|
* No Snoop Enable
|
|
*/
|
|
register NSENABLE {
|
|
address 0x091
|
|
access_mode RW
|
|
modes M_CFG
|
|
field MSINSEN 0x20
|
|
field OVLYNSEN 0x10
|
|
field CMCNSEN 0x08
|
|
field SGNSEN 0x04
|
|
field DCH1NSEN 0x02
|
|
field DCH0NSEN 0x01
|
|
}
|
|
|
|
/*
|
|
* Data Channel Receive Message 2
|
|
*/
|
|
register DCHRXMSG2 {
|
|
address 0x092
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field MINDEX 0xFF
|
|
}
|
|
|
|
/*
|
|
* CMC Recieve Message 2
|
|
*/
|
|
register CMCRXMSG2 {
|
|
address 0x092
|
|
access_mode RO
|
|
modes M_CCHAN
|
|
field MINDEX 0xFF
|
|
}
|
|
|
|
/*
|
|
* Overlay Recieve Message 2
|
|
*/
|
|
register OVLYRXMSG2 {
|
|
address 0x092
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field MINDEX 0xFF
|
|
}
|
|
|
|
/*
|
|
* Outstanding Split Transactions
|
|
*/
|
|
register OST {
|
|
address 0x092
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data Channel Receive Message 3
|
|
*/
|
|
register DCHRXMSG3 {
|
|
address 0x093
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field MCLASS 0x0F
|
|
}
|
|
|
|
/*
|
|
* CMC Recieve Message 3
|
|
*/
|
|
register CMCRXMSG3 {
|
|
address 0x093
|
|
access_mode RO
|
|
modes M_CCHAN
|
|
field MCLASS 0x0F
|
|
}
|
|
|
|
/*
|
|
* Overlay Recieve Message 3
|
|
*/
|
|
register OVLYRXMSG3 {
|
|
address 0x093
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field MCLASS 0x0F
|
|
}
|
|
|
|
/*
|
|
* PCI-X Control
|
|
*/
|
|
register PCIXCTL {
|
|
address 0x093
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field SERRPULSE 0x80
|
|
field UNEXPSCIEN 0x20
|
|
field SPLTSMADIS 0x10
|
|
field SPLTSTADIS 0x08
|
|
field SRSPDPEEN 0x04
|
|
field TSCSERREN 0x02
|
|
field CMPABCDIS 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC Sequencer Byte Count
|
|
*/
|
|
register CMCSEQBCNT {
|
|
address 0x094
|
|
access_mode RO
|
|
modes M_CCHAN
|
|
}
|
|
|
|
/*
|
|
* Overlay Sequencer Byte Count
|
|
*/
|
|
register OVLYSEQBCNT {
|
|
address 0x094
|
|
access_mode RO
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Data Channel Sequencer Byte Count
|
|
*/
|
|
register DCHSEQBCNT {
|
|
address 0x094
|
|
access_mode RO
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Data Channel Split Status 0
|
|
*/
|
|
register DCHSPLTSTAT0 {
|
|
address 0x096
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
count 2
|
|
field STAETERM 0x80
|
|
field SCBCERR 0x40
|
|
field SCADERR 0x20
|
|
field SCDATBUCKET 0x10
|
|
field CNTNOTCMPLT 0x08
|
|
field RXOVRUN 0x04
|
|
field RXSCEMSG 0x02
|
|
field RXSPLTRSP 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC Split Status 0
|
|
*/
|
|
register CMCSPLTSTAT0 {
|
|
address 0x096
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
field STAETERM 0x80
|
|
field SCBCERR 0x40
|
|
field SCADERR 0x20
|
|
field SCDATBUCKET 0x10
|
|
field CNTNOTCMPLT 0x08
|
|
field RXOVRUN 0x04
|
|
field RXSCEMSG 0x02
|
|
field RXSPLTRSP 0x01
|
|
}
|
|
|
|
/*
|
|
* Overlay Split Status 0
|
|
*/
|
|
register OVLYSPLTSTAT0 {
|
|
address 0x096
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field STAETERM 0x80
|
|
field SCBCERR 0x40
|
|
field SCADERR 0x20
|
|
field SCDATBUCKET 0x10
|
|
field CNTNOTCMPLT 0x08
|
|
field RXOVRUN 0x04
|
|
field RXSCEMSG 0x02
|
|
field RXSPLTRSP 0x01
|
|
}
|
|
|
|
/*
|
|
* Data Channel Split Status 1
|
|
*/
|
|
register DCHSPLTSTAT1 {
|
|
address 0x097
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
count 2
|
|
field RXDATABUCKET 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC Split Status 1
|
|
*/
|
|
register CMCSPLTSTAT1 {
|
|
address 0x097
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
field RXDATABUCKET 0x01
|
|
}
|
|
|
|
/*
|
|
* Overlay Split Status 1
|
|
*/
|
|
register OVLYSPLTSTAT1 {
|
|
address 0x097
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field RXDATABUCKET 0x01
|
|
}
|
|
|
|
/*
|
|
* S/G Receive Message 0
|
|
*/
|
|
register SGRXMSG0 {
|
|
address 0x098
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field CDNUM 0xF8
|
|
field CFNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* S/G Receive Message 1
|
|
*/
|
|
register SGRXMSG1 {
|
|
address 0x099
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field CBNUM 0xFF
|
|
}
|
|
|
|
/*
|
|
* S/G Receive Message 2
|
|
*/
|
|
register SGRXMSG2 {
|
|
address 0x09A
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field MINDEX 0xFF
|
|
}
|
|
|
|
/*
|
|
* S/G Receive Message 3
|
|
*/
|
|
register SGRXMSG3 {
|
|
address 0x09B
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field MCLASS 0x0F
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Address 0
|
|
*/
|
|
register SLVSPLTOUTADR0 {
|
|
address 0x098
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field LOWER_ADDR 0x7F
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Address 1
|
|
*/
|
|
register SLVSPLTOUTADR1 {
|
|
address 0x099
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field REQ_DNUM 0xF8
|
|
field REQ_FNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Address 2
|
|
*/
|
|
register SLVSPLTOUTADR2 {
|
|
address 0x09A
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field REQ_BNUM 0xFF
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Address 3
|
|
*/
|
|
register SLVSPLTOUTADR3 {
|
|
address 0x09B
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field RLXORD 020
|
|
field TAG_NUM 0x1F
|
|
}
|
|
|
|
/*
|
|
* SG Sequencer Byte Count
|
|
*/
|
|
register SGSEQBCNT {
|
|
address 0x09C
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Attribute 0
|
|
*/
|
|
register SLVSPLTOUTATTR0 {
|
|
address 0x09C
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field LOWER_BCNT 0xFF
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Attribute 1
|
|
*/
|
|
register SLVSPLTOUTATTR1 {
|
|
address 0x09D
|
|
access_mode RO
|
|
modes M_SCSI
|
|
field CMPLT_DNUM 0xF8
|
|
field CMPLT_FNUM 0x07
|
|
}
|
|
|
|
/*
|
|
* Slave Split Out Attribute 2
|
|
*/
|
|
register SLVSPLTOUTATTR2 {
|
|
address 0x09E
|
|
access_mode RO
|
|
size 2
|
|
modes M_SCSI
|
|
field CMPLT_BNUM 0xFF
|
|
}
|
|
/*
|
|
* S/G Split Status 0
|
|
*/
|
|
register SGSPLTSTAT0 {
|
|
address 0x09E
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
count 2
|
|
field STAETERM 0x80
|
|
field SCBCERR 0x40
|
|
field SCADERR 0x20
|
|
field SCDATBUCKET 0x10
|
|
field CNTNOTCMPLT 0x08
|
|
field RXOVRUN 0x04
|
|
field RXSCEMSG 0x02
|
|
field RXSPLTRSP 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* S/G Split Status 1
|
|
*/
|
|
register SGSPLTSTAT1 {
|
|
address 0x09F
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
count 2
|
|
field RXDATABUCKET 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Special Function
|
|
*/
|
|
register SFUNCT {
|
|
address 0x09f
|
|
access_mode RW
|
|
modes M_CFG
|
|
field TEST_GROUP 0xF0
|
|
field TEST_NUM 0x0F
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO 0 PCI Status
|
|
*/
|
|
register DF0PCISTAT {
|
|
address 0x0A0
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field SCAAPERR 0x08
|
|
field RDPERR 0x04
|
|
field TWATERR 0x02
|
|
field DPR 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO 1 PCI Status
|
|
*/
|
|
register DF1PCISTAT {
|
|
address 0x0A1
|
|
access_mode RW
|
|
modes M_CFG
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field SCAAPERR 0x08
|
|
field RDPERR 0x04
|
|
field TWATERR 0x02
|
|
field DPR 0x01
|
|
}
|
|
|
|
/*
|
|
* S/G PCI Status
|
|
*/
|
|
register SGPCISTAT {
|
|
address 0x0A2
|
|
access_mode RW
|
|
modes M_CFG
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field SCAAPERR 0x08
|
|
field RDPERR 0x04
|
|
field DPR 0x01
|
|
}
|
|
|
|
/*
|
|
* CMC PCI Status
|
|
*/
|
|
register CMCPCISTAT {
|
|
address 0x0A3
|
|
access_mode RW
|
|
modes M_CFG
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field SCAAPERR 0x08
|
|
field RDPERR 0x04
|
|
field TWATERR 0x02
|
|
field DPR 0x01
|
|
}
|
|
|
|
/*
|
|
* Overlay PCI Status
|
|
*/
|
|
register OVLYPCISTAT {
|
|
address 0x0A4
|
|
access_mode RW
|
|
modes M_CFG
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field SCAAPERR 0x08
|
|
field RDPERR 0x04
|
|
field DPR 0x01
|
|
}
|
|
|
|
/*
|
|
* PCI Status for MSI Master DMA Transfer
|
|
*/
|
|
register MSIPCISTAT {
|
|
address 0x0A6
|
|
access_mode RW
|
|
modes M_CFG
|
|
field SSE 0x40
|
|
field RMA 0x20
|
|
field RTA 0x10
|
|
field CLRPENDMSI 0x08
|
|
field TWATERR 0x02
|
|
field DPR 0x01
|
|
}
|
|
|
|
/*
|
|
* PCI Status for Target
|
|
*/
|
|
register TARGPCISTAT {
|
|
address 0x0A7
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 5
|
|
field DPE 0x80
|
|
field SSE 0x40
|
|
field STA 0x08
|
|
field TWATERR 0x02
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQ Packet In
|
|
* The last LQ Packet recieved
|
|
*/
|
|
register LQIN {
|
|
address 0x020
|
|
access_mode RW
|
|
size 20
|
|
count 2
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCB Type Pointer
|
|
* SCB offset for Target Mode SCB type information
|
|
*/
|
|
register TYPEPTR {
|
|
address 0x020
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Queue Tag Pointer
|
|
* SCB offset to the Two Byte tag identifier used for target mode.
|
|
*/
|
|
register TAGPTR {
|
|
address 0x021
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Logical Unit Number Pointer
|
|
* SCB offset to the LSB (little endian) of the lun field.
|
|
*/
|
|
register LUNPTR {
|
|
address 0x022
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data Length Pointer
|
|
* SCB offset for the 4 byte data length field in target mode.
|
|
*/
|
|
register DATALENPTR {
|
|
address 0x023
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Status Length Pointer
|
|
* SCB offset to the two byte status field in target SCBs.
|
|
*/
|
|
register STATLENPTR {
|
|
address 0x024
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Command Length Pointer
|
|
* Scb offset for the CDB length field in initiator SCBs.
|
|
*/
|
|
register CMDLENPTR {
|
|
address 0x025
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Task Attribute Pointer
|
|
* Scb offset for the byte field specifying the attribute byte
|
|
* to be used in command packets.
|
|
*/
|
|
register ATTRPTR {
|
|
address 0x026
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Task Management Flags Pointer
|
|
* Scb offset for the byte field specifying the attribute flags
|
|
* byte to be used in command packets.
|
|
*/
|
|
register FLAGPTR {
|
|
address 0x027
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Command Pointer
|
|
* Scb offset for the first byte in the CDB for initiator SCBs.
|
|
*/
|
|
register CMDPTR {
|
|
address 0x028
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Queue Next Pointer
|
|
* Scb offset for the 2 byte "next scb link".
|
|
*/
|
|
register QNEXTPTR {
|
|
address 0x029
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI ID Pointer
|
|
* Scb offset to the value to place in the SCSIID register
|
|
* during target mode connections.
|
|
*/
|
|
register IDPTR {
|
|
address 0x02A
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Command Aborted Byte Pointer
|
|
* Offset to the SCB flags field that includes the
|
|
* "SCB aborted" status bit.
|
|
*/
|
|
register ABRTBYTEPTR {
|
|
address 0x02B
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Command Aborted Bit Pointer
|
|
* Bit offset in the SCB flags field for "SCB aborted" status.
|
|
*/
|
|
register ABRTBITPTR {
|
|
address 0x02C
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Rev B or greater.
|
|
*/
|
|
register MAXCMDBYTES {
|
|
address 0x02D
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Rev B or greater.
|
|
*/
|
|
register MAXCMD2RCV {
|
|
address 0x02E
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Rev B or greater.
|
|
*/
|
|
register SHORTTHRESH {
|
|
address 0x02F
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Logical Unit Number Length
|
|
* The length, in bytes, of the SCB lun field.
|
|
*/
|
|
register LUNLEN {
|
|
address 0x030
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 2
|
|
mask ILUNLEN 0x0F
|
|
mask TLUNLEN 0xF0
|
|
dont_generate_debug_code
|
|
}
|
|
const LUNLEN_SINGLE_LEVEL_LUN 0xF
|
|
|
|
/*
|
|
* CDB Limit
|
|
* The size, in bytes, of the embedded CDB field in initator SCBs.
|
|
*/
|
|
register CDBLIMIT {
|
|
address 0x031
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Maximum Commands
|
|
* The maximum number of commands to issue during a
|
|
* single packetized connection.
|
|
*/
|
|
register MAXCMD {
|
|
address 0x032
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 9
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Maximum Command Counter
|
|
* The number of commands already sent during this connection
|
|
*/
|
|
register MAXCMDCNT {
|
|
address 0x033
|
|
access_mode RW
|
|
modes M_CFG
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQ Packet Reserved Bytes
|
|
* The bytes to be sent in the currently reserved fileds
|
|
* of all LQ packets.
|
|
*/
|
|
register LQRSVD01 {
|
|
address 0x034
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
register LQRSVD16 {
|
|
address 0x035
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
register LQRSVD17 {
|
|
address 0x036
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Command Reserved 0
|
|
* The byte to be sent for the reserved byte 0 of
|
|
* outgoing command packets.
|
|
*/
|
|
register CMDRSVD0 {
|
|
address 0x037
|
|
access_mode RW
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* LQ Manager Control 0
|
|
*/
|
|
register LQCTL0 {
|
|
address 0x038
|
|
access_mode RW
|
|
modes M_CFG
|
|
field LQITARGCLT 0xC0
|
|
field LQIINITGCLT 0x30
|
|
field LQ0TARGCLT 0x0C
|
|
field LQ0INITGCLT 0x03
|
|
}
|
|
|
|
/*
|
|
* LQ Manager Control 1
|
|
*/
|
|
register LQCTL1 {
|
|
address 0x038
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 2
|
|
field PCI2PCI 0x04
|
|
field SINGLECMD 0x02
|
|
field ABORTPENDING 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQ Manager Control 2
|
|
*/
|
|
register LQCTL2 {
|
|
address 0x039
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 5
|
|
field LQIRETRY 0x80
|
|
field LQICONTINUE 0x40
|
|
field LQITOIDLE 0x20
|
|
field LQIPAUSE 0x10
|
|
field LQORETRY 0x08
|
|
field LQOCONTINUE 0x04
|
|
field LQOTOIDLE 0x02
|
|
field LQOPAUSE 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI RAM BIST0
|
|
*/
|
|
register SCSBIST0 {
|
|
address 0x039
|
|
access_mode RW
|
|
modes M_CFG
|
|
field GSBISTERR 0x40
|
|
field GSBISTDONE 0x20
|
|
field GSBISTRUN 0x10
|
|
field OSBISTERR 0x04
|
|
field OSBISTDONE 0x02
|
|
field OSBISTRUN 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI Sequence Control0
|
|
*/
|
|
register SCSISEQ0 {
|
|
address 0x03A
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field TEMODEO 0x80
|
|
field ENSELO 0x40
|
|
field ENARBO 0x20
|
|
field FORCEBUSFREE 0x10
|
|
field SCSIRSTO 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI RAM BIST 1
|
|
*/
|
|
register SCSBIST1 {
|
|
address 0x03A
|
|
access_mode RW
|
|
modes M_CFG
|
|
field NTBISTERR 0x04
|
|
field NTBISTDONE 0x02
|
|
field NTBISTRUN 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI Sequence Control 1
|
|
*/
|
|
register SCSISEQ1 {
|
|
address 0x03B
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 8
|
|
field MANUALCTL 0x40
|
|
field ENSELI 0x20
|
|
field ENRSELI 0x10
|
|
field MANUALP 0x0C
|
|
field ENAUTOATNP 0x02
|
|
field ALTSTIM 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI Transfer Control 0
|
|
*/
|
|
register SXFRCTL0 {
|
|
address 0x03C
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field DFON 0x80
|
|
field DFPEXP 0x40
|
|
field BIOSCANCELEN 0x10
|
|
field SPIOEN 0x08
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Transfer Control 1
|
|
*/
|
|
register SXFRCTL1 {
|
|
address 0x03D
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field BITBUCKET 0x80
|
|
field ENSACHK 0x40
|
|
field ENSPCHK 0x20
|
|
field STIMESEL 0x18
|
|
field ENSTIMER 0x04
|
|
field ACTNEGEN 0x02
|
|
field STPWEN 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Transfer Control 2
|
|
*/
|
|
register SXFRCTL2 {
|
|
address 0x03E
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field AUTORSTDIS 0x10
|
|
field CMDDMAEN 0x08
|
|
field ASU 0x07
|
|
}
|
|
|
|
/*
|
|
* SCSI Bus Initiator IDs
|
|
* Bitmask of observed initiators on the bus.
|
|
*/
|
|
register BUSINITID {
|
|
address 0x03C
|
|
access_mode RW
|
|
modes M_CFG
|
|
size 2
|
|
}
|
|
|
|
/*
|
|
* Data Length Counters
|
|
* Packet byte counter.
|
|
*/
|
|
register DLCOUNT {
|
|
address 0x03C
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
size 3
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Status
|
|
*/
|
|
register DFFSTAT {
|
|
address 0x03F
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field FIFO1FREE 0x20
|
|
field FIFO0FREE 0x10
|
|
/*
|
|
* On the B, this enum only works
|
|
* in the read direction. For writes,
|
|
* you must use the B version of the
|
|
* CURRFIFO_0 definition which is defined
|
|
* as a constant outside of this register
|
|
* definition to avoid confusing the
|
|
* register pretty printing code.
|
|
*/
|
|
enum CURRFIFO 0x03 {
|
|
CURRFIFO_0,
|
|
CURRFIFO_1,
|
|
CURRFIFO_NONE 0x3
|
|
}
|
|
}
|
|
|
|
const B_CURRFIFO_0 0x2
|
|
|
|
/*
|
|
* SCSI Bus Target IDs
|
|
* Bitmask of observed targets on the bus.
|
|
*/
|
|
register BUSTARGID {
|
|
address 0x03E
|
|
access_mode RW
|
|
modes M_CFG
|
|
size 2
|
|
}
|
|
|
|
/*
|
|
* SCSI Control Signal Out
|
|
*/
|
|
register SCSISIGO {
|
|
address 0x040
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field CDO 0x80
|
|
field IOO 0x40
|
|
field MSGO 0x20
|
|
field ATNO 0x10
|
|
field SELO 0x08
|
|
field BSYO 0x04
|
|
field REQO 0x02
|
|
field ACKO 0x01
|
|
/*
|
|
* Possible phases to write into SCSISIG0
|
|
*/
|
|
enum PHASE_MASK CDO|IOO|MSGO {
|
|
P_DATAOUT 0x0,
|
|
P_DATAIN IOO,
|
|
P_DATAOUT_DT P_DATAOUT|MSGO,
|
|
P_DATAIN_DT P_DATAIN|MSGO,
|
|
P_COMMAND CDO,
|
|
P_MESGOUT CDO|MSGO,
|
|
P_STATUS CDO|IOO,
|
|
P_MESGIN CDO|IOO|MSGO
|
|
}
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Control Signal In
|
|
*/
|
|
register SCSISIGI {
|
|
address 0x041
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field CDI 0x80
|
|
field IOI 0x40
|
|
field MSGI 0x20
|
|
field ATNI 0x10
|
|
field SELI 0x08
|
|
field BSYI 0x04
|
|
field REQI 0x02
|
|
field ACKI 0x01
|
|
/*
|
|
* Possible phases in SCSISIGI
|
|
*/
|
|
enum PHASE_MASK CDO|IOO|MSGO {
|
|
P_DATAOUT 0x0,
|
|
P_DATAIN IOO,
|
|
P_DATAOUT_DT P_DATAOUT|MSGO,
|
|
P_DATAIN_DT P_DATAIN|MSGO,
|
|
P_COMMAND CDO,
|
|
P_MESGOUT CDO|MSGO,
|
|
P_STATUS CDO|IOO,
|
|
P_MESGIN CDO|IOO|MSGO
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Multiple Target IDs
|
|
* Bitmask of ids to respond as a target.
|
|
*/
|
|
register MULTARGID {
|
|
address 0x040
|
|
access_mode RW
|
|
modes M_CFG
|
|
size 2
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Phase
|
|
*/
|
|
register SCSIPHASE {
|
|
address 0x042
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field STATUS_PHASE 0x20
|
|
field COMMAND_PHASE 0x10
|
|
field MSG_IN_PHASE 0x08
|
|
field MSG_OUT_PHASE 0x04
|
|
field DATA_PHASE_MASK 0x03 {
|
|
DATA_OUT_PHASE 0x01,
|
|
DATA_IN_PHASE 0x02
|
|
}
|
|
}
|
|
|
|
/*
|
|
* SCSI Data 0 Image
|
|
*/
|
|
register SCSIDAT0_IMG {
|
|
address 0x043
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
}
|
|
|
|
/*
|
|
* SCSI Latched Data
|
|
*/
|
|
register SCSIDAT {
|
|
address 0x044
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Data Bus
|
|
*/
|
|
register SCSIBUS {
|
|
address 0x046
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
size 2
|
|
}
|
|
|
|
/*
|
|
* Target ID In
|
|
*/
|
|
register TARGIDIN {
|
|
address 0x048
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 2
|
|
field CLKOUT 0x80
|
|
field TARGID 0x0F
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Selection/Reselection ID
|
|
* Upper four bits are the device id. The ONEBIT is set when the re/selecting
|
|
* device did not set its own ID.
|
|
*/
|
|
register SELID {
|
|
address 0x049
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field SELID_MASK 0xf0
|
|
field ONEBIT 0x08
|
|
}
|
|
|
|
/*
|
|
* SCSI Block Control
|
|
* Controls Bus type and channel selection. SELWIDE allows for the
|
|
* coexistence of 8bit and 16bit devices on a wide bus.
|
|
*/
|
|
register SBLKCTL {
|
|
address 0x04A
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field DIAGLEDEN 0x80
|
|
field DIAGLEDON 0x40
|
|
field ENAB40 0x08 /* LVD transceiver active */
|
|
field ENAB20 0x04 /* SE/HVD transceiver active */
|
|
field SELWIDE 0x02
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Option Mode
|
|
*/
|
|
register OPTIONMODE {
|
|
address 0x04A
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 4
|
|
field BIOSCANCTL 0x80
|
|
field AUTOACKEN 0x40
|
|
field BIASCANCTL 0x20
|
|
field BUSFREEREV 0x10
|
|
field ENDGFORMCHK 0x04
|
|
field AUTO_MSGOUT_DE 0x02
|
|
mask OPTIONMODE_DEFAULTS AUTO_MSGOUT_DE
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Status 0
|
|
*/
|
|
register SSTAT0 {
|
|
address 0x04B
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field TARGET 0x80 /* Board acting as target */
|
|
field SELDO 0x40 /* Selection Done */
|
|
field SELDI 0x20 /* Board has been selected */
|
|
field SELINGO 0x10 /* Selection In Progress */
|
|
field IOERR 0x08 /* LVD Tranceiver mode changed */
|
|
field OVERRUN 0x04 /* SCSI Offset overrun detected */
|
|
field SPIORDY 0x02 /* SCSI PIO Ready */
|
|
field ARBDO 0x01 /* Arbitration Done Out */
|
|
}
|
|
|
|
/*
|
|
* Clear SCSI Interrupt 0
|
|
* Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT0.
|
|
*/
|
|
register CLRSINT0 {
|
|
address 0x04B
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field CLRSELDO 0x40
|
|
field CLRSELDI 0x20
|
|
field CLRSELINGO 0x10
|
|
field CLRIOERR 0x08
|
|
field CLROVERRUN 0x04
|
|
field CLRSPIORDY 0x02
|
|
field CLRARBDO 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Interrupt Mode 0
|
|
* Setting any bit will enable the corresponding function
|
|
* in SIMODE0 to interrupt via the IRQ pin.
|
|
*/
|
|
register SIMODE0 {
|
|
address 0x04B
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 8
|
|
field ENSELDO 0x40
|
|
field ENSELDI 0x20
|
|
field ENSELINGO 0x10
|
|
field ENIOERR 0x08
|
|
field ENOVERRUN 0x04
|
|
field ENSPIORDY 0x02
|
|
field ENARBDO 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI Status 1
|
|
*/
|
|
register SSTAT1 {
|
|
address 0x04C
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field SELTO 0x80
|
|
field ATNTARG 0x40
|
|
field SCSIRSTI 0x20
|
|
field PHASEMIS 0x10
|
|
field BUSFREE 0x08
|
|
field SCSIPERR 0x04
|
|
field STRB2FAST 0x02
|
|
field REQINIT 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear SCSI Interrupt 1
|
|
* Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT1.
|
|
*/
|
|
register CLRSINT1 {
|
|
address 0x04C
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field CLRSELTIMEO 0x80
|
|
field CLRATNO 0x40
|
|
field CLRSCSIRSTI 0x20
|
|
field CLRBUSFREE 0x08
|
|
field CLRSCSIPERR 0x04
|
|
field CLRSTRB2FAST 0x02
|
|
field CLRREQINIT 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Status 2
|
|
*/
|
|
register SSTAT2 {
|
|
address 0x04d
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field BUSFREETIME 0xc0 {
|
|
BUSFREE_LQO 0x40,
|
|
BUSFREE_DFF0 0x80,
|
|
BUSFREE_DFF1 0xC0
|
|
}
|
|
field NONPACKREQ 0x20
|
|
field EXP_ACTIVE 0x10 /* SCSI Expander Active */
|
|
field BSYX 0x08 /* Busy Expander */
|
|
field WIDE_RES 0x04 /* Modes 0 and 1 only */
|
|
field SDONE 0x02 /* Modes 0 and 1 only */
|
|
field DMADONE 0x01 /* Modes 0 and 1 only */
|
|
}
|
|
|
|
/*
|
|
* Clear SCSI Interrupt 2
|
|
*/
|
|
register CLRSINT2 {
|
|
address 0x04D
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field CLRNONPACKREQ 0x20
|
|
field CLRWIDE_RES 0x04 /* Modes 0 and 1 only */
|
|
field CLRSDONE 0x02 /* Modes 0 and 1 only */
|
|
field CLRDMADONE 0x01 /* Modes 0 and 1 only */
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Interrupt Mode 2
|
|
*/
|
|
register SIMODE2 {
|
|
address 0x04D
|
|
access_mode RW
|
|
modes M_CFG
|
|
field ENWIDE_RES 0x04
|
|
field ENSDONE 0x02
|
|
field ENDMADONE 0x01
|
|
}
|
|
|
|
/*
|
|
* Physical Error Diagnosis
|
|
*/
|
|
register PERRDIAG {
|
|
address 0x04E
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 3
|
|
field HIZERO 0x80
|
|
field HIPERR 0x40
|
|
field PREVPHASE 0x20
|
|
field PARITYERR 0x10
|
|
field AIPERR 0x08
|
|
field CRCERR 0x04
|
|
field DGFORMERR 0x02
|
|
field DTERR 0x01
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Current State
|
|
*/
|
|
register LQISTATE {
|
|
address 0x04E
|
|
access_mode RO
|
|
modes M_CFG
|
|
count 6
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Offset Count
|
|
*/
|
|
register SOFFCNT {
|
|
address 0x04F
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 1
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Current State
|
|
*/
|
|
register LQOSTATE {
|
|
address 0x04F
|
|
access_mode RO
|
|
modes M_CFG
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Status
|
|
*/
|
|
register LQISTAT0 {
|
|
address 0x050
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 2
|
|
field LQIATNQAS 0x20
|
|
field LQICRCT1 0x10
|
|
field LQICRCT2 0x08
|
|
field LQIBADLQT 0x04
|
|
field LQIATNLQ 0x02
|
|
field LQIATNCMD 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear LQI Interrupts 0
|
|
*/
|
|
register CLRLQIINT0 {
|
|
address 0x050
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 1
|
|
field CLRLQIATNQAS 0x20
|
|
field CLRLQICRCT1 0x10
|
|
field CLRLQICRCT2 0x08
|
|
field CLRLQIBADLQT 0x04
|
|
field CLRLQIATNLQ 0x02
|
|
field CLRLQIATNCMD 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Interrupt Mode 0
|
|
*/
|
|
register LQIMODE0 {
|
|
address 0x050
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 3
|
|
field ENLQIATNQASK 0x20
|
|
field ENLQICRCT1 0x10
|
|
field ENLQICRCT2 0x08
|
|
field ENLQIBADLQT 0x04
|
|
field ENLQIATNLQ 0x02
|
|
field ENLQIATNCMD 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Status 1
|
|
*/
|
|
register LQISTAT1 {
|
|
address 0x051
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 3
|
|
field LQIPHASE_LQ 0x80
|
|
field LQIPHASE_NLQ 0x40
|
|
field LQIABORT 0x20
|
|
field LQICRCI_LQ 0x10
|
|
field LQICRCI_NLQ 0x08
|
|
field LQIBADLQI 0x04
|
|
field LQIOVERI_LQ 0x02
|
|
field LQIOVERI_NLQ 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear LQI Manager Interrupts1
|
|
*/
|
|
register CLRLQIINT1 {
|
|
address 0x051
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 4
|
|
field CLRLQIPHASE_LQ 0x80
|
|
field CLRLQIPHASE_NLQ 0x40
|
|
field CLRLIQABORT 0x20
|
|
field CLRLQICRCI_LQ 0x10
|
|
field CLRLQICRCI_NLQ 0x08
|
|
field CLRLQIBADLQI 0x04
|
|
field CLRLQIOVERI_LQ 0x02
|
|
field CLRLQIOVERI_NLQ 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Interrupt Mode 1
|
|
*/
|
|
register LQIMODE1 {
|
|
address 0x051
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 4
|
|
field ENLQIPHASE_LQ 0x80 /* LQIPHASE1 */
|
|
field ENLQIPHASE_NLQ 0x40 /* LQIPHASE2 */
|
|
field ENLIQABORT 0x20
|
|
field ENLQICRCI_LQ 0x10 /* LQICRCI1 */
|
|
field ENLQICRCI_NLQ 0x08 /* LQICRCI2 */
|
|
field ENLQIBADLQI 0x04
|
|
field ENLQIOVERI_LQ 0x02 /* LQIOVERI1 */
|
|
field ENLQIOVERI_NLQ 0x01 /* LQIOVERI2 */
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQI Manager Status 2
|
|
*/
|
|
register LQISTAT2 {
|
|
address 0x052
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field PACKETIZED 0x80
|
|
field LQIPHASE_OUTPKT 0x40
|
|
field LQIWORKONLQ 0x20
|
|
field LQIWAITFIFO 0x10
|
|
field LQISTOPPKT 0x08
|
|
field LQISTOPLQ 0x04
|
|
field LQISTOPCMD 0x02
|
|
field LQIGSAVAIL 0x01
|
|
}
|
|
|
|
/*
|
|
* SCSI Status 3
|
|
*/
|
|
register SSTAT3 {
|
|
address 0x053
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 3
|
|
field NTRAMPERR 0x02
|
|
field OSRAMPERR 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear SCSI Status 3
|
|
*/
|
|
register CLRSINT3 {
|
|
address 0x053
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 3
|
|
field CLRNTRAMPERR 0x02
|
|
field CLROSRAMPERR 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Interrupt Mode 3
|
|
*/
|
|
register SIMODE3 {
|
|
address 0x053
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 4
|
|
field ENNTRAMPERR 0x02
|
|
field ENOSRAMPERR 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Status 0
|
|
*/
|
|
register LQOSTAT0 {
|
|
address 0x054
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 2
|
|
field LQOTARGSCBPERR 0x10
|
|
field LQOSTOPT2 0x08
|
|
field LQOATNLQ 0x04
|
|
field LQOATNPKT 0x02
|
|
field LQOTCRC 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear LQO Manager interrupt 0
|
|
*/
|
|
register CLRLQOINT0 {
|
|
address 0x054
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 3
|
|
field CLRLQOTARGSCBPERR 0x10
|
|
field CLRLQOSTOPT2 0x08
|
|
field CLRLQOATNLQ 0x04
|
|
field CLRLQOATNPKT 0x02
|
|
field CLRLQOTCRC 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Interrupt Mode 0
|
|
*/
|
|
register LQOMODE0 {
|
|
address 0x054
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 4
|
|
field ENLQOTARGSCBPERR 0x10
|
|
field ENLQOSTOPT2 0x08
|
|
field ENLQOATNLQ 0x04
|
|
field ENLQOATNPKT 0x02
|
|
field ENLQOTCRC 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Status 1
|
|
*/
|
|
register LQOSTAT1 {
|
|
address 0x055
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field LQOINITSCBPERR 0x10
|
|
field LQOSTOPI2 0x08
|
|
field LQOBADQAS 0x04
|
|
field LQOBUSFREE 0x02
|
|
field LQOPHACHGINPKT 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear LOQ Interrupt 1
|
|
*/
|
|
register CLRLQOINT1 {
|
|
address 0x055
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
count 7
|
|
field CLRLQOINITSCBPERR 0x10
|
|
field CLRLQOSTOPI2 0x08
|
|
field CLRLQOBADQAS 0x04
|
|
field CLRLQOBUSFREE 0x02
|
|
field CLRLQOPHACHGINPKT 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Interrupt Mode 1
|
|
*/
|
|
register LQOMODE1 {
|
|
address 0x055
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 4
|
|
field ENLQOINITSCBPERR 0x10
|
|
field ENLQOSTOPI2 0x08
|
|
field ENLQOBADQAS 0x04
|
|
field ENLQOBUSFREE 0x02
|
|
field ENLQOPHACHGINPKT 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO Manager Status 2
|
|
*/
|
|
register LQOSTAT2 {
|
|
address 0x056
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field LQOPKT 0xE0
|
|
field LQOWAITFIFO 0x10
|
|
field LQOPHACHGOUTPKT 0x02 /* outside of packet boundaries. */
|
|
field LQOSTOP0 0x01 /* Stopped after sending all packets */
|
|
}
|
|
|
|
/*
|
|
* Output Synchronizer Space Count
|
|
*/
|
|
register OS_SPACE_CNT {
|
|
address 0x056
|
|
access_mode RO
|
|
modes M_CFG
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Interrupt Mode 1
|
|
* Setting any bit will enable the corresponding function
|
|
* in SIMODE1 to interrupt via the IRQ pin.
|
|
*/
|
|
register SIMODE1 {
|
|
address 0x057
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
field ENSELTIMO 0x80
|
|
field ENATNTARG 0x40
|
|
field ENSCSIRST 0x20
|
|
field ENPHASEMIS 0x10
|
|
field ENBUSFREE 0x08
|
|
field ENSCSIPERR 0x04
|
|
field ENSTRB2FAST 0x02
|
|
field ENREQINIT 0x01
|
|
}
|
|
|
|
/*
|
|
* Good Status FIFO
|
|
*/
|
|
register GSFIFO {
|
|
address 0x058
|
|
access_mode RO
|
|
size 2
|
|
modes M_DFF0, M_DFF1, M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO SCSI Transfer Control
|
|
*/
|
|
register DFFSXFRCTL {
|
|
address 0x05A
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
field DFFBITBUCKET 0x08
|
|
field CLRSHCNT 0x04
|
|
field CLRCHN 0x02
|
|
field RSTCHN 0x01
|
|
}
|
|
|
|
/*
|
|
* Next SCSI Control Block
|
|
*/
|
|
register NEXTSCB {
|
|
address 0x05A
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* LQO SCSI Control
|
|
* (Rev B only.)
|
|
*/
|
|
register LQOSCSCTL {
|
|
address 0x05A
|
|
access_mode RW
|
|
size 1
|
|
modes M_CFG
|
|
count 1
|
|
field LQOH2A_VERSION 0x80
|
|
field LQOBUSETDLY 0x40
|
|
field LQONOHOLDLACK 0x02
|
|
field LQONOCHKOVER 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SEQ Interrupts
|
|
*/
|
|
register SEQINTSRC {
|
|
address 0x05B
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field CTXTDONE 0x40
|
|
field SAVEPTRS 0x20
|
|
field CFG4DATA 0x10
|
|
field CFG4ISTAT 0x08
|
|
field CFG4TSTAT 0x04
|
|
field CFG4ICMD 0x02
|
|
field CFG4TCMD 0x01
|
|
}
|
|
|
|
/*
|
|
* Clear Arp Interrupts
|
|
*/
|
|
register CLRSEQINTSRC {
|
|
address 0x05B
|
|
access_mode WO
|
|
modes M_DFF0, M_DFF1
|
|
field CLRCTXTDONE 0x40
|
|
field CLRSAVEPTRS 0x20
|
|
field CLRCFG4DATA 0x10
|
|
field CLRCFG4ISTAT 0x08
|
|
field CLRCFG4TSTAT 0x04
|
|
field CLRCFG4ICMD 0x02
|
|
field CLRCFG4TCMD 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SEQ Interrupt Enabled (Shared)
|
|
*/
|
|
register SEQIMODE {
|
|
address 0x05C
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
field ENCTXTDONE 0x40
|
|
field ENSAVEPTRS 0x20
|
|
field ENCFG4DATA 0x10
|
|
field ENCFG4ISTAT 0x08
|
|
field ENCFG4TSTAT 0x04
|
|
field ENCFG4ICMD 0x02
|
|
field ENCFG4TCMD 0x01
|
|
}
|
|
|
|
/*
|
|
* Current SCSI Control Block
|
|
*/
|
|
register CURRSCB {
|
|
address 0x05C
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Status
|
|
*/
|
|
register MDFFSTAT {
|
|
address 0x05D
|
|
access_mode RO
|
|
modes M_DFF0, M_DFF1
|
|
field SHCNTNEGATIVE 0x40 /* Rev B or higher */
|
|
field SHCNTMINUS1 0x20 /* Rev B or higher */
|
|
field LASTSDONE 0x10
|
|
field SHVALID 0x08
|
|
field DLZERO 0x04 /* FIFO data ends on packet boundary. */
|
|
field DATAINFIFO 0x02
|
|
field FIFOFREE 0x01
|
|
}
|
|
|
|
/*
|
|
* CRC Control
|
|
*/
|
|
register CRCCONTROL {
|
|
address 0x05d
|
|
access_mode RW
|
|
modes M_CFG
|
|
field CRCVALCHKEN 0x40
|
|
}
|
|
|
|
/*
|
|
* SCSI Test Control
|
|
*/
|
|
register SCSITEST {
|
|
address 0x05E
|
|
access_mode RW
|
|
modes M_CFG
|
|
field CNTRTEST 0x08
|
|
field SEL_TXPLL_DEBUG 0x04
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Queue Tag
|
|
*/
|
|
register DFFTAG {
|
|
address 0x05E
|
|
access_mode RW
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Last SCSI Control Block
|
|
*/
|
|
register LASTSCB {
|
|
address 0x05E
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI I/O Cell Power-down Control
|
|
*/
|
|
register IOPDNCTL {
|
|
address 0x05F
|
|
access_mode RW
|
|
modes M_CFG
|
|
field DISABLE_OE 0x80
|
|
field PDN_IDIST 0x04
|
|
field PDN_DIFFSENSE 0x01
|
|
}
|
|
|
|
/*
|
|
* Shaddow Host Address.
|
|
*/
|
|
register SHADDR {
|
|
address 0x060
|
|
access_mode RO
|
|
size 8
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data Group CRC Interval.
|
|
*/
|
|
register DGRPCRCI {
|
|
address 0x060
|
|
access_mode RW
|
|
size 2
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data Transfer Negotiation Address
|
|
*/
|
|
register NEGOADDR {
|
|
address 0x060
|
|
access_mode RW
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data Transfer Negotiation Data - Period Byte
|
|
*/
|
|
register NEGPERIOD {
|
|
address 0x061
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Packetized CRC Interval
|
|
*/
|
|
register PACKCRCI {
|
|
address 0x062
|
|
access_mode RW
|
|
size 2
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data Transfer Negotiation Data - Offset Byte
|
|
*/
|
|
register NEGOFFSET {
|
|
address 0x062
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data Transfer Negotiation Data - PPR Options
|
|
*/
|
|
register NEGPPROPTS {
|
|
address 0x063
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 1
|
|
field PPROPT_PACE 0x08
|
|
field PPROPT_QAS 0x04
|
|
field PPROPT_DT 0x02
|
|
field PPROPT_IUT 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data Transfer Negotiation Data - Connection Options
|
|
*/
|
|
register NEGCONOPTS {
|
|
address 0x064
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field ENSNAPSHOT 0x40
|
|
field RTI_WRTDIS 0x20
|
|
field RTI_OVRDTRN 0x10
|
|
field ENSLOWCRC 0x08
|
|
field ENAUTOATNI 0x04
|
|
field ENAUTOATNO 0x02
|
|
field WIDEXFER 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Negotiation Table Annex Column Index.
|
|
*/
|
|
register ANNEXCOL {
|
|
address 0x065
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 7
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* SCSI Check
|
|
* (Rev. B only)
|
|
*/
|
|
register SCSCHKN {
|
|
address 0x066
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field BIDICHKDIS 0x80
|
|
field STSELSKIDDIS 0x40
|
|
field CURRFIFODEF 0x20
|
|
field WIDERESEN 0x10
|
|
field SDONEMSKDIS 0x08
|
|
field DFFACTCLR 0x04
|
|
field SHVALIDSTDIS 0x02
|
|
field LSTSGCLRDIS 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
const AHD_ANNEXCOL_PER_DEV0 4
|
|
const AHD_NUM_PER_DEV_ANNEXCOLS 4
|
|
const AHD_ANNEXCOL_PRECOMP_SLEW 4
|
|
const AHD_PRECOMP_MASK 0x07
|
|
const AHD_PRECOMP_SHIFT 0
|
|
const AHD_PRECOMP_CUTBACK_17 0x04
|
|
const AHD_PRECOMP_CUTBACK_29 0x06
|
|
const AHD_PRECOMP_CUTBACK_37 0x07
|
|
const AHD_SLEWRATE_MASK 0x78
|
|
const AHD_SLEWRATE_SHIFT 3
|
|
/*
|
|
* Rev A has only a single bit (high bit of field) of slew adjustment.
|
|
* Rev B has 4 bits. The current default happens to be the same for both.
|
|
*/
|
|
const AHD_SLEWRATE_DEF_REVA 0x08
|
|
const AHD_SLEWRATE_DEF_REVB 0x08
|
|
|
|
/* Rev A does not have any amplitude setting. */
|
|
const AHD_ANNEXCOL_AMPLITUDE 6
|
|
const AHD_AMPLITUDE_MASK 0x7
|
|
const AHD_AMPLITUDE_SHIFT 0
|
|
const AHD_AMPLITUDE_DEF 0x7
|
|
|
|
/*
|
|
* Negotiation Table Annex Data Port.
|
|
*/
|
|
register ANNEXDAT {
|
|
address 0x066
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 3
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Initiator's Own Id.
|
|
* The SCSI ID to use for Selection Out and seen during a reselection..
|
|
*/
|
|
register IOWNID {
|
|
address 0x067
|
|
access_mode RW
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* 960MHz Phase-Locked Loop Control 0
|
|
*/
|
|
register PLL960CTL0 {
|
|
address 0x068
|
|
access_mode RW
|
|
modes M_CFG
|
|
field PLL_VCOSEL 0x80
|
|
field PLL_PWDN 0x40
|
|
field PLL_NS 0x30
|
|
field PLL_ENLUD 0x08
|
|
field PLL_ENLPF 0x04
|
|
field PLL_DLPF 0x02
|
|
field PLL_ENFBM 0x01
|
|
}
|
|
|
|
/*
|
|
* Target Own Id
|
|
*/
|
|
register TOWNID {
|
|
address 0x069
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* 960MHz Phase-Locked Loop Control 1
|
|
*/
|
|
register PLL960CTL1 {
|
|
address 0x069
|
|
access_mode RW
|
|
modes M_CFG
|
|
field PLL_CNTEN 0x80
|
|
field PLL_CNTCLR 0x40
|
|
field PLL_RST 0x01
|
|
}
|
|
|
|
/*
|
|
* Expander Signature
|
|
*/
|
|
register XSIG {
|
|
address 0x06A
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Shadow Byte Count
|
|
*/
|
|
register SHCNT {
|
|
address 0x068
|
|
access_mode RW
|
|
size 3
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Selection Out ID
|
|
*/
|
|
register SELOID {
|
|
address 0x06B
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* 960-MHz Phase-Locked Loop Test Count
|
|
*/
|
|
register PLL960CNT0 {
|
|
address 0x06A
|
|
access_mode RO
|
|
size 2
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* 400-MHz Phase-Locked Loop Control 0
|
|
*/
|
|
register PLL400CTL0 {
|
|
address 0x06C
|
|
access_mode RW
|
|
modes M_CFG
|
|
field PLL_VCOSEL 0x80
|
|
field PLL_PWDN 0x40
|
|
field PLL_NS 0x30
|
|
field PLL_ENLUD 0x08
|
|
field PLL_ENLPF 0x04
|
|
field PLL_DLPF 0x02
|
|
field PLL_ENFBM 0x01
|
|
}
|
|
|
|
/*
|
|
* Arbitration Fairness
|
|
*/
|
|
register FAIRNESS {
|
|
address 0x06C
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* 400-MHz Phase-Locked Loop Control 1
|
|
*/
|
|
register PLL400CTL1 {
|
|
address 0x06D
|
|
access_mode RW
|
|
modes M_CFG
|
|
field PLL_CNTEN 0x80
|
|
field PLL_CNTCLR 0x40
|
|
field PLL_RST 0x01
|
|
}
|
|
|
|
/*
|
|
* Arbitration Unfairness
|
|
*/
|
|
register UNFAIRNESS {
|
|
address 0x06E
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* 400-MHz Phase-Locked Loop Test Count
|
|
*/
|
|
register PLL400CNT0 {
|
|
address 0x06E
|
|
access_mode RO
|
|
size 2
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* SCB Page Pointer
|
|
*/
|
|
register SCBPTR {
|
|
address 0x0A8
|
|
access_mode RW
|
|
size 2
|
|
modes M_DFF0, M_DFF1, M_CCHAN, M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC SCB Array Count
|
|
* Number of bytes to transfer between CMC SCB memory and SCBRAM.
|
|
* Transfers must be 8byte aligned and sized.
|
|
*/
|
|
register CCSCBACNT {
|
|
address 0x0AB
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
}
|
|
|
|
/*
|
|
* SCB Autopointer
|
|
* SCB-Next Address Snooping logic. When an SCB is transferred to
|
|
* the card, the next SCB address to be used by the CMC array can
|
|
* be autoloaded from that transfer.
|
|
*/
|
|
register SCBAUTOPTR {
|
|
address 0x0AB
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field AUSCBPTR_EN 0x80
|
|
field SCBPTR_ADDR 0x38
|
|
field SCBPTR_OFF 0x07
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC SG Ram Address Pointer
|
|
*/
|
|
register CCSGADDR {
|
|
address 0x0AC
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC SCB RAM Address Pointer
|
|
*/
|
|
register CCSCBADDR {
|
|
address 0x0AC
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC SCB Ram Back-up Address Pointer
|
|
* Indicates the true stop location of transfers halted prior
|
|
* to SCBHCNT going to 0.
|
|
*/
|
|
register CCSCBADR_BK {
|
|
address 0x0AC
|
|
access_mode RO
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* CMC SG Control
|
|
*/
|
|
register CCSGCTL {
|
|
address 0x0AD
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
field CCSGDONE 0x80
|
|
field SG_CACHE_AVAIL 0x10
|
|
field CCSGENACK 0x08
|
|
mask CCSGEN 0x0C
|
|
field SG_FETCH_REQ 0x02
|
|
field CCSGRESET 0x01
|
|
}
|
|
|
|
/*
|
|
* CMD SCB Control
|
|
*/
|
|
register CCSCBCTL {
|
|
address 0x0AD
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
field CCSCBDONE 0x80
|
|
field ARRDONE 0x40
|
|
field CCARREN 0x10
|
|
field CCSCBEN 0x08
|
|
field CCSCBDIR 0x04
|
|
field CCSCBRESET 0x01
|
|
}
|
|
|
|
/*
|
|
* CMC Ram BIST
|
|
*/
|
|
register CMC_RAMBIST {
|
|
address 0x0AD
|
|
access_mode RW
|
|
modes M_CFG
|
|
field SG_ELEMENT_SIZE 0x80
|
|
field SCBRAMBIST_FAIL 0x40
|
|
field SG_BIST_FAIL 0x20
|
|
field SG_BIST_EN 0x10
|
|
field CMC_BUFFER_BIST_FAIL 0x02
|
|
field CMC_BUFFER_BIST_EN 0x01
|
|
}
|
|
|
|
/*
|
|
* CMC SG RAM Data Port
|
|
*/
|
|
register CCSGRAM {
|
|
address 0x0B0
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* CMC SCB RAM Data Port
|
|
*/
|
|
register CCSCBRAM {
|
|
address 0x0B0
|
|
access_mode RW
|
|
modes M_CCHAN
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Flex DMA Address.
|
|
*/
|
|
register FLEXADR {
|
|
address 0x0B0
|
|
access_mode RW
|
|
size 3
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Flex DMA Byte Count
|
|
*/
|
|
register FLEXCNT {
|
|
address 0x0B3
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Flex DMA Status
|
|
*/
|
|
register FLEXDMASTAT {
|
|
address 0x0B5
|
|
access_mode RW
|
|
modes M_SCSI
|
|
field FLEXDMAERR 0x02
|
|
field FLEXDMADONE 0x01
|
|
}
|
|
|
|
/*
|
|
* Flex DMA Data Port
|
|
*/
|
|
register FLEXDATA {
|
|
address 0x0B6
|
|
access_mode RW
|
|
modes M_SCSI
|
|
}
|
|
|
|
/*
|
|
* Board Data
|
|
*/
|
|
register BRDDAT {
|
|
address 0x0B8
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Board Control
|
|
*/
|
|
register BRDCTL {
|
|
address 0x0B9
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 7
|
|
field FLXARBACK 0x80
|
|
field FLXARBREQ 0x40
|
|
field BRDADDR 0x38
|
|
field BRDEN 0x04
|
|
field BRDRW 0x02
|
|
field BRDSTB 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Serial EEPROM Address
|
|
*/
|
|
register SEEADR {
|
|
address 0x0BA
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 4
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Serial EEPROM Data
|
|
*/
|
|
register SEEDAT {
|
|
address 0x0BC
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
count 4
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Serial EEPROM Status
|
|
*/
|
|
register SEESTAT {
|
|
address 0x0BE
|
|
access_mode RO
|
|
modes M_SCSI
|
|
count 1
|
|
field INIT_DONE 0x80
|
|
field SEEOPCODE 0x70
|
|
field LDALTID_L 0x08
|
|
field SEEARBACK 0x04
|
|
field SEEBUSY 0x02
|
|
field SEESTART 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Serial EEPROM Control
|
|
*/
|
|
register SEECTL {
|
|
address 0x0BE
|
|
access_mode RW
|
|
modes M_SCSI
|
|
count 4
|
|
field SEEOPCODE 0x70 {
|
|
SEEOP_ERASE 0x70,
|
|
SEEOP_READ 0x60,
|
|
SEEOP_WRITE 0x50,
|
|
/*
|
|
* The following four commands use special
|
|
* addresses for differentiation.
|
|
*/
|
|
SEEOP_ERAL 0x40
|
|
}
|
|
mask SEEOP_EWEN 0x40
|
|
mask SEEOP_WALL 0x40
|
|
mask SEEOP_EWDS 0x40
|
|
field SEERST 0x02
|
|
field SEESTART 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
const SEEOP_ERAL_ADDR 0x80
|
|
const SEEOP_EWEN_ADDR 0xC0
|
|
const SEEOP_WRAL_ADDR 0x40
|
|
const SEEOP_EWDS_ADDR 0x00
|
|
|
|
/*
|
|
* SCB Counter
|
|
*/
|
|
register SCBCNT {
|
|
address 0x0BF
|
|
access_mode RW
|
|
modes M_SCSI
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Write Address
|
|
* Pointer to the next QWD location to be written to the data FIFO.
|
|
*/
|
|
register DFWADDR {
|
|
address 0x0C0
|
|
access_mode RW
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* DSP Filter Control
|
|
*/
|
|
register DSPFLTRCTL {
|
|
address 0x0C0
|
|
access_mode RW
|
|
modes M_CFG
|
|
field FLTRDISABLE 0x20
|
|
field EDGESENSE 0x10
|
|
field DSPFCNTSEL 0x0F
|
|
}
|
|
|
|
/*
|
|
* DSP Data Channel Control
|
|
*/
|
|
register DSPDATACTL {
|
|
address 0x0C1
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 3
|
|
field BYPASSENAB 0x80
|
|
field DESQDIS 0x10
|
|
field RCVROFFSTDIS 0x04
|
|
field XMITOFFSTDIS 0x02
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Read Address
|
|
* Pointer to the next QWD location to be read from the data FIFO.
|
|
*/
|
|
register DFRADDR {
|
|
address 0x0C2
|
|
access_mode RW
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* DSP REQ Control
|
|
*/
|
|
register DSPREQCTL {
|
|
address 0x0C2
|
|
access_mode RW
|
|
modes M_CFG
|
|
field MANREQCTL 0xC0
|
|
field MANREQDLY 0x3F
|
|
}
|
|
|
|
/*
|
|
* DSP ACK Control
|
|
*/
|
|
register DSPACKCTL {
|
|
address 0x0C3
|
|
access_mode RW
|
|
modes M_CFG
|
|
field MANACKCTL 0xC0
|
|
field MANACKDLY 0x3F
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Data
|
|
* Read/Write byte port into the data FIFO. The read and write
|
|
* FIFO pointers increment with each read and write respectively
|
|
* to this port.
|
|
*/
|
|
register DFDAT {
|
|
address 0x0C4
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* DSP Channel Select
|
|
*/
|
|
register DSPSELECT {
|
|
address 0x0C4
|
|
access_mode RW
|
|
modes M_CFG
|
|
count 1
|
|
field AUTOINCEN 0x80
|
|
field DSPSEL 0x1F
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
const NUMDSPS 0x14
|
|
|
|
/*
|
|
* Write Bias Control
|
|
*/
|
|
register WRTBIASCTL {
|
|
address 0x0C5
|
|
access_mode WO
|
|
modes M_CFG
|
|
count 3
|
|
field AUTOXBCDIS 0x80
|
|
field XMITMANVAL 0x3F
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Currently the WRTBIASCTL is the same as the default.
|
|
*/
|
|
const WRTBIASCTL_HP_DEFAULT 0x0
|
|
|
|
/*
|
|
* Receiver Bias Control
|
|
*/
|
|
register RCVRBIOSCTL {
|
|
address 0x0C6
|
|
access_mode WO
|
|
modes M_CFG
|
|
field AUTORBCDIS 0x80
|
|
field RCVRMANVAL 0x3F
|
|
}
|
|
|
|
/*
|
|
* Write Bias Calculator
|
|
*/
|
|
register WRTBIASCALC {
|
|
address 0x0C7
|
|
access_mode RO
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Pointers
|
|
* Contains the byte offset from DFWADDR and DWRADDR to the current
|
|
* FIFO write/read locations.
|
|
*/
|
|
register DFPTRS {
|
|
address 0x0C8
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Receiver Bias Calculator
|
|
*/
|
|
register RCVRBIASCALC {
|
|
address 0x0C8
|
|
access_mode RO
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Backup Read Pointer
|
|
* Contains the data FIFO address to be restored if the last
|
|
* data accessed from the data FIFO was not transferred successfully.
|
|
*/
|
|
register DFBKPTR {
|
|
address 0x0C9
|
|
access_mode RW
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Skew Calculator
|
|
*/
|
|
register SKEWCALC {
|
|
address 0x0C9
|
|
access_mode RO
|
|
modes M_CFG
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Debug Control
|
|
*/
|
|
register DFDBCTL {
|
|
address 0x0CB
|
|
access_mode RW
|
|
modes M_DFF0, M_DFF1
|
|
field DFF_CIO_WR_RDY 0x20
|
|
field DFF_CIO_RD_RDY 0x10
|
|
field DFF_DIR_ERR 0x08
|
|
field DFF_RAMBIST_FAIL 0x04
|
|
field DFF_RAMBIST_DONE 0x02
|
|
field DFF_RAMBIST_EN 0x01
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Space Count
|
|
* Number of FIFO locations that are free.
|
|
*/
|
|
register DFSCNT {
|
|
address 0x0CC
|
|
access_mode RO
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Data FIFO Byte Count
|
|
* Number of filled FIFO locations.
|
|
*/
|
|
register DFBCNT {
|
|
address 0x0CE
|
|
access_mode RO
|
|
size 2
|
|
modes M_DFF0, M_DFF1
|
|
}
|
|
|
|
/*
|
|
* Sequencer Program Overlay Address.
|
|
* Low address must be written prior to high address.
|
|
*/
|
|
register OVLYADDR {
|
|
address 0x0D4
|
|
modes M_SCSI
|
|
size 2
|
|
access_mode RW
|
|
}
|
|
|
|
/*
|
|
* Sequencer Control 0
|
|
* Error detection mode, speed configuration,
|
|
* single step, breakpoints and program load.
|
|
*/
|
|
register SEQCTL0 {
|
|
address 0x0D6
|
|
access_mode RW
|
|
count 11
|
|
field PERRORDIS 0x80
|
|
field PAUSEDIS 0x40
|
|
field FAILDIS 0x20
|
|
field FASTMODE 0x10
|
|
field BRKADRINTEN 0x08
|
|
field STEP 0x04
|
|
field SEQRESET 0x02
|
|
field LOADRAM 0x01
|
|
}
|
|
|
|
/*
|
|
* Sequencer Control 1
|
|
* Instruction RAM Diagnostics
|
|
*/
|
|
register SEQCTL1 {
|
|
address 0x0D7
|
|
access_mode RW
|
|
field OVRLAY_DATA_CHK 0x08
|
|
field RAMBIST_DONE 0x04
|
|
field RAMBIST_FAIL 0x02
|
|
field RAMBIST_EN 0x01
|
|
}
|
|
|
|
/*
|
|
* Sequencer Flags
|
|
* Zero and Carry state of the ALU.
|
|
*/
|
|
register FLAGS {
|
|
address 0x0D8
|
|
access_mode RO
|
|
count 23
|
|
field ZERO 0x02
|
|
field CARRY 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Sequencer Interrupt Control
|
|
*/
|
|
register SEQINTCTL {
|
|
address 0x0D9
|
|
access_mode RW
|
|
field INTVEC1DSL 0x80
|
|
field INT1_CONTEXT 0x20
|
|
field SCS_SEQ_INT1M1 0x10
|
|
field SCS_SEQ_INT1M0 0x08
|
|
field INTMASK2 0x04
|
|
field INTMASK1 0x02
|
|
field IRET 0x01
|
|
}
|
|
|
|
/*
|
|
* Sequencer RAM Data Port
|
|
* Single byte window into the Sequencer Instruction Ram area starting
|
|
* at the address specified by OVLYADDR. To write a full instruction word,
|
|
* simply write four bytes in succession. OVLYADDR will increment after the
|
|
* most significant instrution byte (the byte with the parity bit) is written.
|
|
*/
|
|
register SEQRAM {
|
|
address 0x0DA
|
|
access_mode RW
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Sequencer Program Counter
|
|
* Low byte must be written prior to high byte.
|
|
*/
|
|
register PRGMCNT {
|
|
address 0x0DE
|
|
access_mode RW
|
|
size 2
|
|
count 5
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Accumulator
|
|
*/
|
|
register ACCUM {
|
|
address 0x0E0
|
|
access_mode RW
|
|
accumulator
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Source Index Register
|
|
* Incrementing index for reads of SINDIR and the destination (low byte only)
|
|
* for any immediate operands passed in jmp, jc, jnc, call instructions.
|
|
* Example:
|
|
* mvi 0xFF call some_routine;
|
|
*
|
|
* Will set SINDEX[0] to 0xFF and call the routine "some_routine.
|
|
*/
|
|
register SINDEX {
|
|
address 0x0E2
|
|
access_mode RW
|
|
size 2
|
|
sindex
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Destination Index Register
|
|
* Incrementing index for writes to DINDIR. Can be used as a scratch register.
|
|
*/
|
|
register DINDEX {
|
|
address 0x0E4
|
|
access_mode RW
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Break Address
|
|
* Sequencer instruction breakpoint address address.
|
|
*/
|
|
register BRKADDR0 {
|
|
address 0x0E6
|
|
access_mode RW
|
|
}
|
|
|
|
register BRKADDR1 {
|
|
address 0x0E6
|
|
access_mode RW
|
|
field BRKDIS 0x80 /* Disable Breakpoint */
|
|
}
|
|
|
|
/*
|
|
* All Ones
|
|
* All reads to this register return the value 0xFF.
|
|
*/
|
|
register ALLONES {
|
|
address 0x0E8
|
|
access_mode RO
|
|
allones
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* All Zeros
|
|
* All reads to this register return the value 0.
|
|
*/
|
|
register ALLZEROS {
|
|
address 0x0EA
|
|
access_mode RO
|
|
allzeros
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* No Destination
|
|
* Writes to this register have no effect.
|
|
*/
|
|
register NONE {
|
|
address 0x0EA
|
|
access_mode WO
|
|
none
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Source Index Indirect
|
|
* Reading this register is equivalent to reading (register_base + SINDEX) and
|
|
* incrementing SINDEX by 1.
|
|
*/
|
|
register SINDIR {
|
|
address 0x0EC
|
|
access_mode RO
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Destination Index Indirect
|
|
* Writing this register is equivalent to writing to (register_base + DINDEX)
|
|
* and incrementing DINDEX by 1.
|
|
*/
|
|
register DINDIR {
|
|
address 0x0ED
|
|
access_mode WO
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Function One
|
|
* 2's complement to bit value conversion. Write the 2's complement value
|
|
* (0-7 only) to the top nibble and retrieve the bit indexed by that value
|
|
* on the next read of this register.
|
|
* Example:
|
|
* Write 0x60
|
|
* Read 0x40
|
|
*/
|
|
register FUNCTION1 {
|
|
address 0x0F0
|
|
access_mode RW
|
|
}
|
|
|
|
/*
|
|
* Stack
|
|
* Window into the stack. Each stack location is 10 bits wide reported
|
|
* low byte followed by high byte. There are 8 stack locations.
|
|
*/
|
|
register STACK {
|
|
address 0x0F2
|
|
access_mode RW
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Interrupt Vector 1 Address
|
|
* Interrupt branch address for SCS SEQ_INT1 mode 0 and 1 interrupts.
|
|
*/
|
|
register INTVEC1_ADDR {
|
|
address 0x0F4
|
|
access_mode RW
|
|
size 2
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Current Address
|
|
* Address of the SEQRAM instruction currently executing instruction.
|
|
*/
|
|
register CURADDR {
|
|
address 0x0F4
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
count 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Interrupt Vector 2 Address
|
|
* Interrupt branch address for HST_SEQ_INT2 interrupts.
|
|
*/
|
|
register INTVEC2_ADDR {
|
|
address 0x0F6
|
|
access_mode RW
|
|
size 2
|
|
modes M_CFG
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Last Address
|
|
* Address of the SEQRAM instruction executed prior to the current instruction.
|
|
*/
|
|
register LASTADDR {
|
|
address 0x0F6
|
|
access_mode RW
|
|
size 2
|
|
modes M_SCSI
|
|
}
|
|
|
|
register AHD_PCI_CONFIG_BASE {
|
|
address 0x100
|
|
access_mode RW
|
|
size 256
|
|
modes M_CFG
|
|
}
|
|
|
|
/* ---------------------- Scratch RAM Offsets ------------------------- */
|
|
scratch_ram {
|
|
/* Mode Specific */
|
|
address 0x0A0
|
|
size 8
|
|
modes 0, 1, 2, 3
|
|
REG0 {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
REG1 {
|
|
size 2
|
|
}
|
|
REG_ISR {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
SG_STATE {
|
|
size 1
|
|
field SEGS_AVAIL 0x01
|
|
field LOADING_NEEDED 0x02
|
|
field FETCH_INPROG 0x04
|
|
}
|
|
/*
|
|
* Track whether the transfer byte count for
|
|
* the current data phase is odd.
|
|
*/
|
|
DATA_COUNT_ODD {
|
|
size 1
|
|
}
|
|
}
|
|
|
|
scratch_ram {
|
|
/* Mode Specific */
|
|
address 0x0F8
|
|
size 8
|
|
modes 0, 1, 2, 3
|
|
LONGJMP_ADDR {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
ACCUM_SAVE {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
}
|
|
|
|
|
|
scratch_ram {
|
|
address 0x100
|
|
size 128
|
|
modes 0, 1, 2, 3
|
|
/*
|
|
* Per "other-id" execution queues. We use an array of
|
|
* tail pointers into lists of SCBs sorted by "other-id".
|
|
* The execution head pointer threads the head SCBs for
|
|
* each list.
|
|
*/
|
|
WAITING_SCB_TAILS {
|
|
size 32
|
|
dont_generate_debug_code
|
|
}
|
|
WAITING_TID_HEAD {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
WAITING_TID_TAIL {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* SCBID of the next SCB in the new SCB queue.
|
|
*/
|
|
NEXT_QUEUED_SCB_ADDR {
|
|
size 4
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* head of list of SCBs that have
|
|
* completed but have not been
|
|
* put into the qoutfifo.
|
|
*/
|
|
COMPLETE_SCB_HEAD {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* The list of completed SCBs in
|
|
* the active DMA.
|
|
*/
|
|
COMPLETE_SCB_DMAINPROG_HEAD {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* head of list of SCBs that have
|
|
* completed but need to be uploaded
|
|
* to the host prior to being completed.
|
|
*/
|
|
COMPLETE_DMA_SCB_HEAD {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* tail of list of SCBs that have
|
|
* completed but need to be uploaded
|
|
* to the host prior to being completed.
|
|
*/
|
|
COMPLETE_DMA_SCB_TAIL {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* head of list of SCBs that have
|
|
* been uploaded to the host, but cannot
|
|
* be completed until the QFREEZE is in
|
|
* full effect (i.e. no selections pending).
|
|
*/
|
|
COMPLETE_ON_QFREEZE_HEAD {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* Counting semaphore to prevent new select-outs
|
|
* The queue is frozen so long as the sequencer
|
|
* and kernel freeze counts differ.
|
|
*/
|
|
QFREEZE_COUNT {
|
|
size 2
|
|
}
|
|
KERNEL_QFREEZE_COUNT {
|
|
size 2
|
|
}
|
|
/*
|
|
* Mode to restore on legacy idle loop exit.
|
|
*/
|
|
SAVED_MODE {
|
|
size 1
|
|
}
|
|
/*
|
|
* Single byte buffer used to designate the type or message
|
|
* to send to a target.
|
|
*/
|
|
MSG_OUT {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
/* Parameters for DMA Logic */
|
|
DMAPARAMS {
|
|
size 1
|
|
count 8
|
|
field PRELOADEN 0x80
|
|
field WIDEODD 0x40
|
|
field SCSIEN 0x20
|
|
field SDMAEN 0x10
|
|
field SDMAENACK 0x10
|
|
field HDMAEN 0x08
|
|
field HDMAENACK 0x08
|
|
field DIRECTION 0x04 /* Set indicates PCI->SCSI */
|
|
field FIFOFLUSH 0x02
|
|
field FIFORESET 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
SEQ_FLAGS {
|
|
size 1
|
|
field NOT_IDENTIFIED 0x80
|
|
field NO_CDB_SENT 0x40
|
|
field TARGET_CMD_IS_TAGGED 0x40
|
|
field DPHASE 0x20
|
|
/* Target flags */
|
|
field TARG_CMD_PENDING 0x10
|
|
field CMDPHASE_PENDING 0x08
|
|
field DPHASE_PENDING 0x04
|
|
field SPHASE_PENDING 0x02
|
|
field NO_DISCONNECT 0x01
|
|
}
|
|
/*
|
|
* Temporary storage for the
|
|
* target/channel/lun of a
|
|
* reconnecting target
|
|
*/
|
|
SAVED_SCSIID {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
SAVED_LUN {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* The last bus phase as seen by the sequencer.
|
|
*/
|
|
LASTPHASE {
|
|
size 1
|
|
field CDI 0x80
|
|
field IOI 0x40
|
|
field MSGI 0x20
|
|
field P_BUSFREE 0x01
|
|
enum PHASE_MASK CDO|IOO|MSGO {
|
|
P_DATAOUT 0x0,
|
|
P_DATAIN IOO,
|
|
P_DATAOUT_DT P_DATAOUT|MSGO,
|
|
P_DATAIN_DT P_DATAIN|MSGO,
|
|
P_COMMAND CDO,
|
|
P_MESGOUT CDO|MSGO,
|
|
P_STATUS CDO|IOO,
|
|
P_MESGIN CDO|IOO|MSGO
|
|
}
|
|
}
|
|
/*
|
|
* Value to "or" into the SCBPTR[1] value to
|
|
* indicate that an entry in the QINFIFO is valid.
|
|
*/
|
|
QOUTFIFO_ENTRY_VALID_TAG {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* Kernel and sequencer offsets into the queue of
|
|
* incoming target mode command descriptors. The
|
|
* queue is full when the KERNEL_TQINPOS == TQINPOS.
|
|
*/
|
|
KERNEL_TQINPOS {
|
|
size 1
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
TQINPOS {
|
|
size 1
|
|
count 8
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* Base address of our shared data with the kernel driver in host
|
|
* memory. This includes the qoutfifo and target mode
|
|
* incoming command queue.
|
|
*/
|
|
SHARED_DATA_ADDR {
|
|
size 4
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* Pointer to location in host memory for next
|
|
* position in the qoutfifo.
|
|
*/
|
|
QOUTFIFO_NEXT_ADDR {
|
|
size 4
|
|
dont_generate_debug_code
|
|
}
|
|
ARG_1 {
|
|
size 1
|
|
mask SEND_MSG 0x80
|
|
mask SEND_SENSE 0x40
|
|
mask SEND_REJ 0x20
|
|
mask MSGOUT_PHASEMIS 0x10
|
|
mask EXIT_MSG_LOOP 0x08
|
|
mask CONT_MSG_LOOP_WRITE 0x04
|
|
mask CONT_MSG_LOOP_READ 0x03
|
|
mask CONT_MSG_LOOP_TARG 0x02
|
|
alias RETURN_1
|
|
dont_generate_debug_code
|
|
}
|
|
ARG_2 {
|
|
size 1
|
|
count 1
|
|
alias RETURN_2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Snapshot of MSG_OUT taken after each message is sent.
|
|
*/
|
|
LAST_MSG {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Sequences the kernel driver has okayed for us. This allows
|
|
* the driver to do things like prevent initiator or target
|
|
* operations.
|
|
*/
|
|
SCSISEQ_TEMPLATE {
|
|
size 1
|
|
count 7
|
|
field MANUALCTL 0x40
|
|
field ENSELI 0x20
|
|
field ENRSELI 0x10
|
|
field MANUALP 0x0C
|
|
field ENAUTOATNP 0x02
|
|
field ALTSTIM 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* The initiator specified tag for this target mode transaction.
|
|
*/
|
|
INITIATOR_TAG {
|
|
size 1
|
|
count 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
SEQ_FLAGS2 {
|
|
size 1
|
|
field PENDING_MK_MESSAGE 0x01
|
|
field TARGET_MSG_PENDING 0x02
|
|
field SELECTOUT_QFROZEN 0x04
|
|
}
|
|
|
|
ALLOCFIFO_SCBPTR {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* The maximum amount of time to wait, when interrupt coalescing
|
|
* is enabled, before issueing a CMDCMPLT interrupt for a completed
|
|
* command.
|
|
*/
|
|
INT_COALESCING_TIMER {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* The maximum number of commands to coalesce into a single interrupt.
|
|
* Actually the 2's complement of that value to simplify sequencer
|
|
* code.
|
|
*/
|
|
INT_COALESCING_MAXCMDS {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* The minimum number of commands still outstanding required
|
|
* to continue coalescing (2's complement of value).
|
|
*/
|
|
INT_COALESCING_MINCMDS {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Number of commands "in-flight".
|
|
*/
|
|
CMDS_PENDING {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* The count of commands that have been coalesced.
|
|
*/
|
|
INT_COALESCING_CMDCOUNT {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
|
|
/*
|
|
* Since the HS_MAIBOX is self clearing, copy its contents to
|
|
* this position in scratch ram every time it changes.
|
|
*/
|
|
LOCAL_HS_MAILBOX {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* Target-mode CDB type to CDB length table used
|
|
* in non-packetized operation.
|
|
*/
|
|
CMDSIZE_TABLE {
|
|
size 8
|
|
count 8
|
|
dont_generate_debug_code
|
|
}
|
|
/*
|
|
* When an SCB with the MK_MESSAGE flag is
|
|
* queued to the controller, it cannot enter
|
|
* the waiting for selection list until the
|
|
* selections for any previously queued
|
|
* commands to that target complete. During
|
|
* the wait, the MK_MESSAGE SCB is queued
|
|
* here.
|
|
*/
|
|
MK_MESSAGE_SCB {
|
|
size 2
|
|
}
|
|
/*
|
|
* Saved SCSIID of MK_MESSAGE_SCB to avoid
|
|
* an extra SCBPTR operation when deciding
|
|
* if the MK_MESSAGE_SCB can be run.
|
|
*/
|
|
MK_MESSAGE_SCSIID {
|
|
size 1
|
|
}
|
|
}
|
|
|
|
/************************* Hardware SCB Definition ****************************/
|
|
scb {
|
|
address 0x180
|
|
size 64
|
|
modes 0, 1, 2, 3
|
|
SCB_RESIDUAL_DATACNT {
|
|
size 4
|
|
alias SCB_CDB_STORE
|
|
alias SCB_HOST_CDB_PTR
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_RESIDUAL_SGPTR {
|
|
size 4
|
|
field SG_ADDR_MASK 0xf8 /* In the last byte */
|
|
field SG_OVERRUN_RESID 0x02 /* In the first byte */
|
|
field SG_LIST_NULL 0x01 /* In the first byte */
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_SCSI_STATUS {
|
|
size 1
|
|
alias SCB_HOST_CDB_LEN
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TARGET_PHASES {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TARGET_DATA_DIR {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TARGET_ITAG {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_SENSE_BUSADDR {
|
|
/*
|
|
* Only valid if CDB length is less than 13 bytes or
|
|
* we are using a CDB pointer. Otherwise contains
|
|
* the last 4 bytes of embedded cdb information.
|
|
*/
|
|
size 4
|
|
alias SCB_NEXT_COMPLETE
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TAG {
|
|
alias SCB_FIFO_USE_COUNT
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_CONTROL {
|
|
size 1
|
|
field TARGET_SCB 0x80
|
|
field DISCENB 0x40
|
|
field TAG_ENB 0x20
|
|
field MK_MESSAGE 0x10
|
|
field STATUS_RCVD 0x08
|
|
field DISCONNECTED 0x04
|
|
field SCB_TAG_TYPE 0x03
|
|
}
|
|
SCB_SCSIID {
|
|
size 1
|
|
field TID 0xF0
|
|
field OID 0x0F
|
|
}
|
|
SCB_LUN {
|
|
size 1
|
|
field LID 0xff
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TASK_ATTRIBUTE {
|
|
size 1
|
|
/*
|
|
* Overloaded field for non-packetized
|
|
* ignore wide residue message handling.
|
|
*/
|
|
field SCB_XFERLEN_ODD 0x01
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_CDB_LEN {
|
|
size 1
|
|
field SCB_CDB_LEN_PTR 0x80 /* CDB in host memory */
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_TASK_MANAGEMENT {
|
|
size 1
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_DATAPTR {
|
|
size 8
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_DATACNT {
|
|
/*
|
|
* The last byte is really the high address bits for
|
|
* the data address.
|
|
*/
|
|
size 4
|
|
field SG_LAST_SEG 0x80 /* In the fourth byte */
|
|
field SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_SGPTR {
|
|
size 4
|
|
field SG_STATUS_VALID 0x04 /* In the first byte */
|
|
field SG_FULL_RESID 0x02 /* In the first byte */
|
|
field SG_LIST_NULL 0x01 /* In the first byte */
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_BUSADDR {
|
|
size 4
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_NEXT {
|
|
alias SCB_NEXT_SCB_BUSADDR
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_NEXT2 {
|
|
size 2
|
|
dont_generate_debug_code
|
|
}
|
|
SCB_SPARE {
|
|
size 8
|
|
alias SCB_PKT_LUN
|
|
}
|
|
SCB_DISCONNECTED_LISTS {
|
|
size 8
|
|
dont_generate_debug_code
|
|
}
|
|
}
|
|
|
|
/*********************************** Constants ********************************/
|
|
const MK_MESSAGE_BIT_OFFSET 4
|
|
const TID_SHIFT 4
|
|
const TARGET_CMD_CMPLT 0xfe
|
|
const INVALID_ADDR 0x80
|
|
#define SCB_LIST_NULL 0xff
|
|
#define QOUTFIFO_ENTRY_VALID_TOGGLE 0x80
|
|
|
|
const CCSGADDR_MAX 0x80
|
|
const CCSCBADDR_MAX 0x80
|
|
const CCSGRAM_MAXSEGS 16
|
|
|
|
/* Selection Timeout Timer Constants */
|
|
const STIMESEL_SHIFT 3
|
|
const STIMESEL_MIN 0x18
|
|
const STIMESEL_BUG_ADJ 0x8
|
|
|
|
/* WDTR Message values */
|
|
const BUS_8_BIT 0x00
|
|
const BUS_16_BIT 0x01
|
|
const BUS_32_BIT 0x02
|
|
|
|
/* Offset maximums */
|
|
const MAX_OFFSET 0xfe
|
|
const MAX_OFFSET_PACED 0xfe
|
|
const MAX_OFFSET_PACED_BUG 0x7f
|
|
/*
|
|
* Some 160 devices incorrectly accept 0xfe as a
|
|
* sync offset, but will overrun this value. Limit
|
|
* to 0x7f for speed lower than U320 which will
|
|
* avoid the persistent sync offset overruns.
|
|
*/
|
|
const MAX_OFFSET_NON_PACED 0x7f
|
|
const HOST_MSG 0xff
|
|
|
|
/*
|
|
* The size of our sense buffers.
|
|
* Sense buffer mapping can be handled in either of two ways.
|
|
* The first is to allocate a dmamap for each transaction.
|
|
* Depending on the architecture, dmamaps can be costly. The
|
|
* alternative is to statically map the buffers in much the same
|
|
* way we handle our scatter gather lists. The driver implements
|
|
* the later.
|
|
*/
|
|
const AHD_SENSE_BUFSIZE 256
|
|
|
|
/* Target mode command processing constants */
|
|
const CMD_GROUP_CODE_SHIFT 0x05
|
|
|
|
const STATUS_BUSY 0x08
|
|
const STATUS_QUEUE_FULL 0x28
|
|
const STATUS_PKT_SENSE 0xFF
|
|
const TARGET_DATA_IN 1
|
|
|
|
const SCB_TRANSFER_SIZE_FULL_LUN 56
|
|
const SCB_TRANSFER_SIZE_1BYTE_LUN 48
|
|
/* PKT_OVERRUN_BUFSIZE must be a multiple of 256 less than 64K */
|
|
const PKT_OVERRUN_BUFSIZE 512
|
|
|
|
/*
|
|
* Timer parameters.
|
|
*/
|
|
const AHD_TIMER_US_PER_TICK 25
|
|
const AHD_TIMER_MAX_TICKS 0xFFFF
|
|
const AHD_TIMER_MAX_US (AHD_TIMER_MAX_TICKS * AHD_TIMER_US_PER_TICK)
|
|
|
|
/*
|
|
* Downloaded (kernel inserted) constants
|
|
*/
|
|
const SG_PREFETCH_CNT download
|
|
const SG_PREFETCH_CNT_LIMIT download
|
|
const SG_PREFETCH_ALIGN_MASK download
|
|
const SG_PREFETCH_ADDR_MASK download
|
|
const SG_SIZEOF download
|
|
const PKT_OVERRUN_BUFOFFSET download
|
|
const SCB_TRANSFER_SIZE download
|
|
const CACHELINE_MASK download
|
|
|
|
/*
|
|
* BIOS SCB offsets
|
|
*/
|
|
const NVRAM_SCB_OFFSET 0x2C
|