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Support for LG GM82C700, an AIC6360 clone.

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This commit is contained in:
luoqi 2002-03-15 21:30:41 +00:00
parent e8494cff8f
commit 32fff5dd6f
3 changed files with 39 additions and 11 deletions
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43
sys/dev/aic/aic.c
View File

@ -1403,12 +1403,26 @@ aic_reset(struct aic_softc *aic, int initiate_reset)
aic_outb(aic, DMACNTRL0, INTEN);
}
static char *aic_chip_names[] = {
"AIC6260", "AIC6360", "AIC6370", "GM82C700",
};
static struct {
int type;
char *idstring;
} aic_chip_ids[] = {
{ AIC6360, IDSTRING_AIC6360 },
{ AIC6370, IDSTRING_AIC6370 },
{ GM82C700, IDSTRING_GM82C700 },
};
static void
aic_init(struct aic_softc *aic)
{
struct aic_scb *scb;
struct aic_tinfo *ti;
u_int8_t porta, portb;
char chip_id[33];
int i;
TAILQ_INIT(&aic->pending_ccbs);
@ -1421,6 +1435,17 @@ aic_init(struct aic_softc *aic)
aic_chip_reset(aic);
aic_scsi_reset(aic);
/* determine the chip type from its ID string */
aic->chip_type = AIC6260;
aic_insb(aic, ID, chip_id, sizeof(chip_id) - 1);
chip_id[sizeof(chip_id) - 1] = '\0';
for (i = 0; i < sizeof(aic_chip_ids) / sizeof(aic_chip_ids[0]); i++) {
if (!strcmp(chip_id, aic_chip_ids[i].idstring)) {
aic->chip_type = aic_chip_ids[i].type;
break;
}
}
porta = aic_inb(aic, PORTA);
portb = aic_inb(aic, PORTB);
@ -1437,17 +1462,16 @@ aic_init(struct aic_softc *aic)
* is set and we've got a 6360. The 6260 can only do standard
* 5MHz SCSI.
*/
if (aic_inb(aic, REV)) {
if (PORTB_FSYNC(portb)) {
aic->max_period = AIC_FAST_SYNC_PERIOD;
if (aic->chip_type > AIC6260 || aic_inb(aic, REV)) {
if (PORTB_FSYNC(portb))
aic->flags |= AIC_FAST_ENABLE;
} else
aic->max_period = AIC_SYNC_PERIOD;
aic->flags |= AIC_DWIO_ENABLE;
} else
aic->max_period = AIC_SYNC_PERIOD;
}
if (aic->flags & AIC_FAST_ENABLE)
aic->max_period = AIC_FAST_SYNC_PERIOD;
else
aic->max_period = AIC_SYNC_PERIOD;
aic->min_period = AIC_MIN_SYNC_PERIOD;
free_scbs = NULL;
@ -1533,8 +1557,7 @@ aic_attach(struct aic_softc *aic)
aic_init(aic);
printf("aic%d: %s", aic->unit,
aic_inb(aic, REV) > 0 ? "aic6360" : "aic6260");
printf("aic%d: %s", aic->unit, aic_chip_names[aic->chip_type]);
if (aic->flags & AIC_DMA_ENABLE)
printf(", dma");
if (aic->flags & AIC_DISC_ENABLE)

4
sys/dev/aic/aic6360reg.h
View File

@ -72,7 +72,9 @@
#define TEST 0x1e /* Test register */
#define ID 0x1f /* ID register */
#define IDSTRING "(C)1991ADAPTECAIC6360 "
#define IDSTRING_AIC6360 "(C)1991ADAPTECAIC6360 "
#define IDSTRING_AIC6370 "(C)1994ADAPTECAIC6370"
#define IDSTRING_GM82C700 "(C)1993 GoldStarGM82C700 "
/* What all the bits do */

3
sys/dev/aic/aicvar.h
View File

@ -66,6 +66,8 @@ struct aic_scb {
#define SCB_DEVICE_RESET 0x04
#define SCB_SENSE 0x08
enum { AIC6260, AIC6360, AIC6370, GM82C700 };
struct aic_softc {
int unit;
bus_space_tag_t tag;
@ -94,6 +96,7 @@ struct aic_softc {
int min_period;
int max_period;
int chip_type;
};
#define AIC_DISC_ENABLE 0x01