From 613923b42e2edddb10cbb1590ebf9410de2bb545 Mon Sep 17 00:00:00 2001 From: tsutsui Date: Mon, 30 Apr 2001 04:47:50 +0000 Subject: 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 --- sys/dev/microcode/siop/Makefile | 12 +- sys/dev/microcode/siop/osiop.ss | 255 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 262 insertions(+), 5 deletions(-) create mode 100644 sys/dev/microcode/siop/osiop.ss (limited to 'sys/dev/microcode') 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 -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) -- cgit