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authortsutsui <tsutsui@NetBSD.org>2001-04-30 04:47:50 +0000
committertsutsui <tsutsui@NetBSD.org>2001-04-30 04:47:50 +0000
commit613923b42e2edddb10cbb1590ebf9410de2bb545 (patch)
tree3d785460eedae4ef4fde20926ffe3f89a2e8f617 /sys/dev/microcode
parent79649c917a98fbb8c9aaff15ff83376da2682c93 (diff)
Add a MI driver for the Symbios/NCR 53c710 SCSI controller.
This is based on amiga's siop driver, but converted to use bus_space(9) functions and modified to fit bus_dma(9) framework. Currently tested on NetBSD/arc with jazzio 53c710 SCSI, which really requires bus_dma(9) functions :-) Sync transfers and disconnect/reconnect are also working. TODO: - Test under more heavy load - Clean up osiop_checkintr() hander - Reorganize command queue and sync negotiation handling more suitable for thorpej-scsipi mid-layer - Re-think defered interrupt handling for amiga
Diffstat (limited to 'sys/dev/microcode')
-rw-r--r--sys/dev/microcode/siop/Makefile12
-rw-r--r--sys/dev/microcode/siop/osiop.ss255
2 files changed, 262 insertions, 5 deletions
diff --git a/sys/dev/microcode/siop/Makefile b/sys/dev/microcode/siop/Makefile
index 01461bfff26..56a9a344e45 100644
--- a/sys/dev/microcode/siop/Makefile
+++ b/sys/dev/microcode/siop/Makefile
@@ -1,15 +1,17 @@
-# $NetBSD: Makefile,v 1.1 2000/04/21 17:57:01 bouyer Exp $
+# $NetBSD: Makefile,v 1.2 2001/04/30 04:47:51 tsutsui Exp $
-all: siop.out
+all: siop.out osiop.out
PROG= ncr53cxxx
MKSHARE=no
.include <bsd.prog.mk>
-regen: siop.out
-headers: siop.out
+regen: siop.out osiop.out
+headers: siop.out osiop.out
siop.out: siop.ss ${PROG}
./${PROG} siop.ss -o siop.out
-
+
+osiop.out: osiop.ss ${PROG}
+ ./${PROG} osiop.ss -p osiop.out
diff --git a/sys/dev/microcode/siop/osiop.ss b/sys/dev/microcode/siop/osiop.ss
new file mode 100644
index 00000000000..a78e1a815ed
--- /dev/null
+++ b/sys/dev/microcode/siop/osiop.ss
@@ -0,0 +1,255 @@
+; $NetBSD: osiop.ss,v 1.1 2001/04/30 04:47:51 tsutsui Exp $
+
+;
+; Copyright (c) 1995 Michael L. Hitch
+; All rights reserved.
+;
+; Redistribution and use in source and binary forms, with or without
+; modification, are permitted provided that the following conditions
+; are met:
+; 1. Redistributions of source code must retain the above copyright
+; notice, this list of conditions and the following disclaimer.
+; 2. Redistributions in binary form must reproduce the above copyright
+; notice, this list of conditions and the following disclaimer in the
+; documentation and/or other materials provided with the distribution.
+; 3. All advertising materials mentioning features or use of this software
+; must display the following acknowledgement:
+; This product includes software developed by Michael L. Hitch.
+; 4. The name of the author may not be used to endorse or promote products
+; derived from this software without specific prior written permission
+;
+; THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+; IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+; OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+; IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+; INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+; NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+; THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;
+
+; NCR 53c710 script
+;
+ARCH 710
+;
+ABSOLUTE ds_Device = 0
+ABSOLUTE ds_MsgOut = ds_Device + 8
+ABSOLUTE ds_Cmd = ds_MsgOut + 8
+ABSOLUTE ds_Status = ds_Cmd + 8
+ABSOLUTE ds_Msg = ds_Status + 8
+ABSOLUTE ds_MsgIn = ds_Msg + 8
+ABSOLUTE ds_ExtMsg = ds_MsgIn + 8
+ABSOLUTE ds_SyncMsg = ds_ExtMsg + 8
+ABSOLUTE ds_Data1 = ds_SyncMsg + 8
+ABSOLUTE ds_Data2 = ds_Data1 + 8
+ABSOLUTE ds_Data3 = ds_Data2 + 8
+ABSOLUTE ds_Data4 = ds_Data3 + 8
+ABSOLUTE ds_Data5 = ds_Data4 + 8
+ABSOLUTE ds_Data6 = ds_Data5 + 8
+ABSOLUTE ds_Data7 = ds_Data6 + 8
+ABSOLUTE ds_Data8 = ds_Data7 + 8
+ABSOLUTE ds_Data9 = ds_Data8 + 8
+ABSOLUTE ds_Data10 = ds_Data9 + 8
+ABSOLUTE ds_Data11 = ds_Data10 + 8
+ABSOLUTE ds_Data12 = ds_Data11 + 8
+ABSOLUTE ds_Data13 = ds_Data12 + 8
+ABSOLUTE ds_Data14 = ds_Data13 + 8
+ABSOLUTE ds_Data15 = ds_Data14 + 8
+ABSOLUTE ds_Data16 = ds_Data15 + 8
+ABSOLUTE ds_Data17 = ds_Data16 + 8
+
+
+ABSOLUTE ok = 0xff00
+ABSOLUTE int_disc = 0xff01
+ABSOLUTE int_disc_wodp = 0xff02
+ABSOLUTE int_reconnect = 0xff03
+ABSOLUTE int_connect = 0xff04
+ABSOLUTE int_phase = 0xff05
+ABSOLUTE int_msgin = 0xff06
+ABSOLUTE int_extmsg = 0xff07
+ABSOLUTE int_msgsdp = 0xff08
+ABSOLUTE int_identify = 0xff09
+ABSOLUTE int_status = 0xff0a
+ABSOLUTE int_syncmsg = 0xff0b
+
+ENTRY scripts
+ENTRY switch
+ENTRY wait_reselect
+ENTRY dataout
+ENTRY datain
+ENTRY clear_ack
+
+PROC osiop_script:
+
+scripts:
+
+ SELECT ATN FROM ds_Device, REL(reselect)
+;
+switch:
+ JUMP REL(msgin), WHEN MSG_IN
+ JUMP REL(msgout), IF MSG_OUT
+ JUMP REL(command_phase), IF CMD
+ JUMP REL(dataout), IF DATA_OUT
+ JUMP REL(datain), IF DATA_IN
+ JUMP REL(end), IF STATUS
+
+ INT int_phase ; Unrecognized phase
+
+msgin:
+ MOVE FROM ds_MsgIn, WHEN MSG_IN
+ JUMP REL(ext_msg), IF 0x01 ; extended message
+ JUMP REL(disc), IF 0x04 ; disconnect message
+ JUMP REL(msg_sdp), IF 0x02 ; save data pointers
+ JUMP REL(msg_rej), IF 0x07 ; message reject
+ JUMP REL(msg_rdp), IF 0x03 ; restore data pointers
+ INT int_msgin ; unrecognized message
+
+msg_rej:
+; Do we need to interrupt host here to let it handle the reject?
+msg_rdp:
+clear_ack:
+ CLEAR ACK
+ CLEAR ATN
+ JUMP REL(switch)
+
+ext_msg:
+ CLEAR ACK
+ MOVE FROM ds_ExtMsg, WHEN MSG_IN
+ JUMP REL(sync_msg), IF 0x03
+ int int_extmsg ; extended message not SDTR
+
+sync_msg:
+ CLEAR ACK
+ MOVE FROM ds_SyncMsg, WHEN MSG_IN
+ int int_syncmsg ; Let host handle the message
+; If we continue from the interrupt, the host has set up a response
+; message to be sent. Set ATN, clear ACK, and continue.
+ SET ATN
+ CLEAR ACK
+ JUMP REL(switch)
+
+disc:
+ CLEAR ACK
+ WAIT DISCONNECT
+
+ int int_disc_wodp ; signal disconnect w/o save DP
+
+msg_sdp:
+ CLEAR ACK ; acknowledge message
+ JUMP REL(switch), WHEN NOT MSG_IN
+ MOVE FROM ds_ExtMsg, WHEN MSG_IN
+ INT int_msgsdp, IF NOT 0x04 ; interrupt if not disconnect
+ CLEAR ACK
+ WAIT DISCONNECT
+
+ INT int_disc ; signal disconnect
+
+reselect:
+wait_reselect:
+ WAIT RESELECT REL(select_adr)
+ MOVE LCRC to SFBR ; Save reselect ID
+ MOVE SFBR to SCRATCH0
+
+ INT int_identify, WHEN NOT MSG_IN
+ MOVE FROM ds_Msg, WHEN MSG_IN
+ INT int_reconnect ; let host know about reconnect
+ CLEAR ACK ; acknowlege the message
+ JUMP REL(switch)
+
+select_adr:
+ MOVE SCNTL1 & 0x10 to SFBR ; get connected status
+ INT int_connect, IF 0x00 ; tell host if not connected
+ MOVE CTEST2 & 0x40 to SFBR ; clear Sig_P
+ JUMP REL(wait_reselect) ; and try reselect again
+
+msgout:
+ MOVE FROM ds_MsgOut, WHEN MSG_OUT
+ JUMP REL(switch)
+
+command_phase:
+ CLEAR ATN
+ MOVE FROM ds_Cmd, WHEN CMD
+ JUMP REL(switch)
+
+dataout:
+ MOVE FROM ds_Data1, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data2, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data3, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data4, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data5, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data6, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data7, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data8, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data9, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data10, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data11, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data12, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data13, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data14, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data15, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data16, WHEN DATA_OUT
+ CALL REL(switch), WHEN NOT DATA_OUT
+ MOVE FROM ds_Data17, WHEN DATA_OUT
+ CALL REL(switch)
+
+datain:
+ MOVE FROM ds_Data1, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data2, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data3, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data4, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data5, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data6, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data7, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data8, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data9, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data10, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data11, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data12, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data13, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data14, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data15, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data16, WHEN DATA_IN
+ CALL REL(switch), WHEN NOT DATA_IN
+ MOVE FROM ds_Data17, WHEN DATA_IN
+ CALL REL(switch)
+
+end:
+ MOVE FROM ds_Status, WHEN STATUS
+ int int_status, WHEN NOT MSG_IN ; status not followed by msg
+ MOVE FROM ds_Msg, WHEN MSG_IN
+ CLEAR ACK
+ WAIT DISCONNECT
+ INT ok ; signal completion
+ JUMP REL(wait_reselect)