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macs with scsibase offset 0x10000 from iobase use a SCSI CLK of 16.5MHz 

(off PrimeTime)--all others appear to use 25MHz.
This commit is contained in:
briggs 1996-10-30 05:39:21 +00:00
parent 11ca454b56
commit 20c7b48d76
2 changed files with 20 additions and 4 deletions
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12
sys/arch/mac68k/dev/esp.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: esp.c,v 1.1 1996/10/29 06:08:58 briggs Exp $ */
/* $NetBSD: esp.c,v 1.2 1996/10/30 05:39:21 briggs Exp $ */
/*
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
@ -309,19 +309,27 @@ espattach(parent, self, aux)
#else
#ifdef MAC68K_DRIVER
if (sc->sc_dev.dv_unit == 0) {
unsigned long reg_offset;
sc->sc_reg = (volatile u_char *) SCSIBase;
mac68k_register_scsi_irq((void (*)(void *)) espintr, sc);
sc->irq_mask = V2IF_SCSIIRQ;
reg_offset = SCSIBase - IOBase;
if (reg_offset == 0x10000) {
sc->sc_freq = 16500000;
} else {
sc->sc_freq = 25000000;
}
} else {
sc->sc_reg = (volatile u_char *) SCSIBase + 0x400;
mac68k_register_scsi_b_irq((void (*)(void *)) espintr, sc);
sc->irq_mask = V2IF_SCSIDRQ; /* V2IF_T1? If so, fix ^^, too */
sc->sc_freq = 25000000;
}
sc->sc_dma = &sc->_sc_dma;
printf(": address %p", sc->sc_reg);
sc->sc_id = 7;
sc->sc_freq = 25000000;
#else
sc->sc_reg = (volatile u_int32_t *)tcdsdev->tcdsda_addr;
sc->sc_cookie = tcdsdev->tcdsda_cookie;

12
sys/arch/mac68k/obio/esp.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: esp.c,v 1.1 1996/10/29 06:08:58 briggs Exp $ */
/* $NetBSD: esp.c,v 1.2 1996/10/30 05:39:21 briggs Exp $ */
/*
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
@ -309,19 +309,27 @@ espattach(parent, self, aux)
#else
#ifdef MAC68K_DRIVER
if (sc->sc_dev.dv_unit == 0) {
unsigned long reg_offset;
sc->sc_reg = (volatile u_char *) SCSIBase;
mac68k_register_scsi_irq((void (*)(void *)) espintr, sc);
sc->irq_mask = V2IF_SCSIIRQ;
reg_offset = SCSIBase - IOBase;
if (reg_offset == 0x10000) {
sc->sc_freq = 16500000;
} else {
sc->sc_freq = 25000000;
}
} else {
sc->sc_reg = (volatile u_char *) SCSIBase + 0x400;
mac68k_register_scsi_b_irq((void (*)(void *)) espintr, sc);
sc->irq_mask = V2IF_SCSIDRQ; /* V2IF_T1? If so, fix ^^, too */
sc->sc_freq = 25000000;
}
sc->sc_dma = &sc->_sc_dma;
printf(": address %p", sc->sc_reg);
sc->sc_id = 7;
sc->sc_freq = 25000000;
#else
sc->sc_reg = (volatile u_int32_t *)tcdsdev->tcdsda_addr;
sc->sc_cookie = tcdsdev->tcdsda_cookie;