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Print out exactly what we think the board is, and for the latest

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rev Adaptec boards enable data transfer length detection instead
of assuming requested amount of data is transferred.
This commit is contained in:
Peter Dufault 1995-01-19 12:33:10 +00:00
parent 2cc220b6ed
commit 8d38e0afd0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=5708
1 changed files with 35 additions and 26 deletions
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61
sys/i386/isa/aha1542.c
View file

@ -12,7 +12,7 @@
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* $Id: aha1542.c,v 1.38 1994/10/23 21:27:04 wollman Exp $
* $Id: aha1542.c,v 1.39 1995/01/08 13:41:28 dufault Exp $
*/
/*
@ -196,21 +196,6 @@ struct aha_ccb {
#define AHA_INIT_RESID_CCB 0x03 /* SCSI Initiator CCB */
#define AHA_INIT_SG_RESID_CCB 0x04 /* SCSI initiator with scatter gather */
/* Which CCBs to use. If you use the "RESID" ones then the
* host adapter will return the DATA OVER/UNDERRUN condition
* on short reads and writes.
*
* This apparently FAILS on old 1542s. Perhaps we can auto configure
* it somehow using an inquiry for a long string?
*/
#if 1
#define INITIATOR_CCB AHA_INIT_RESID_CCB
#define INIT_SCAT_GATH_CCB AHA_INIT_SG_RESID_CCB
#else
#define INITIATOR_CCB AHA_INITIATOR_CCB
#define INIT_SCAT_GATH_CCB AHA_INIT_SCAT_GATH_CCB
#endif
/*
* aha_ccb.host_stat values
*/
@ -257,15 +242,15 @@ struct aha_config {
struct aha_inquire
{
u_char boardid; /* type of board */
/* 0x20 = BusLogic 545, but it gets
/* 0x20 (' ') = BusLogic 545, but it gets
the command wrong, only returns
one byte */
/* 0x31 = AHA-1540 */
/* 0x41 = AHA-1540A/1542A/1542B */
/* 0x42 = AHA-1640 */
/* 0x43 = AHA-1542C */
/* 0x44 = AHA-1542CF */
/* 0x45 = AHA-1542CF, BIOS v2.01 */
/* 0x31 ('1') = AHA-1540 */
/* 0x41 ('A') = AHA-1540A/1542A/1542B */
/* 0x42 ('B') = AHA-1640 */
/* 0x43 ('C') = AHA-1542C */
/* 0x44 ('D') = AHA-1542CF */
/* 0x45 ('E') = AHA-1542CF, BIOS v2.01 */
u_char spec_opts; /* special options ID */
/* 0x41 = Board is standard model */
u_char revision_1; /* firmware revision [0-9A-Z] */
@ -319,6 +304,12 @@ struct aha_data {
int aha_int; /* irq level */
int aha_dma; /* DMA req channel */
int aha_scsi_dev; /* scsi bus address */
/* We use different op codes for different revs of the board
* if we think residual codes will work.
*/
short init_opcode; /* Command to use for initiator */
short sg_opcode; /* Command to use for scatter/gather */
struct scsi_link sc_link; /* prototype for subdevs */
} *ahadata[NAHA];
@ -907,6 +898,13 @@ aha_init(unit)
struct aha_inquire inquire;
struct aha_extbios extbios;
/* Assume that residual codes don't work. If they
* do we enable that after we figure out what kind of
* board it is.
*/
aha->init_opcode = AHA_INITIATOR_CCB;
aha->sg_opcode = AHA_INIT_SCAT_GATH_CCB;
/*
* reset board, If it doesn't respond, assume
* that it's not there.. good for the probe
@ -984,13 +982,24 @@ aha_init(unit)
if ((inquire.boardid == 0x43) || (inquire.boardid == 0x44) ||
(inquire.boardid == 0x45) || (inquire.boardid == 0x41
&& inquire.revision_1 == 0x31 && inquire.revision_2 == 0x34)) {
static char *revs[] =
{"154xB-3.2", "1640", "154xC", "154xCF", "154xCF-2.01"};
aha_cmd(unit, 0, sizeof(extbios), 0, &extbios, AHA_EXT_BIOS);
#ifdef AHADEBUG
printf("aha%d: extended bios flags %x\n", unit, extbios.flags);
#endif /* AHADEBUG */
printf("aha%d: 1542C/CF detected, unlocking mailbox\n", unit);
/* Say exactly what we think this is in case we ever get rev
* dependent problems:
*/
printf("aha%d is a %s-V%c.%c: enabling mailbox and residuals\n",
unit, revs[inquire.boardid - 0x41], inquire.revision_1,
inquire.revision_2);
aha_cmd(unit, 2, 0, 0, 0, AHA_MBX_ENABLE,
0, extbios.mailboxlock);
aha->init_opcode = AHA_INIT_RESID_CCB;
aha->sg_opcode = AHA_INIT_SG_RESID_CCB;
}
/*
@ -1164,8 +1173,8 @@ aha_scsi_cmd(xs)
} else {
/* can't use S/G if zero length */
ccb->opcode = (xs->datalen ?
INIT_SCAT_GATH_CCB
: INITIATOR_CCB);
ahadata[unit]->sg_opcode
: ahadata[unit]->init_opcode);
}
ccb->target = sc_link->target;
ccb->data_out = 0;