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Include a bit more info about what's not happening with IOP.

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This commit is contained in:
briggs 1999-06-28 04:33:21 +00:00
parent 598b09009b
commit 79fe772f46
2 changed files with 22 additions and 6 deletions
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7
sys/arch/mac68k/include/iopreg.h
View File

@ -1,4 +1,9 @@
/* $NetBSD: iopreg.h,v 1.1 1999/06/28 01:56:57 briggs Exp $ */
/* $NetBSD: iopreg.h,v 1.2 1999/06/28 04:33:21 briggs Exp $ */
/*
* Freely contributed to The NetBSD Foundation.
* XXX - Do paperwork and put a proper copyright here.
*/
#include <sys/pool.h>
#include <sys/queue.h>

21
sys/arch/mac68k/mac68k/iop.c
View File

@ -1,4 +1,9 @@
/* $NetBSD: iop.c,v 1.1 1999/06/28 01:56:57 briggs Exp $ */
/* $NetBSD: iop.c,v 1.2 1999/06/28 04:33:22 briggs Exp $ */
/*
* Freely contributed to the NetBSD Foundation.
* XXX - Do paperwork and put a proper copyright here.
*/
/*
* This code handles VIA, RBV, and OSS functionality.
@ -144,12 +149,18 @@ iop_init(fullinit)
0, NULL, NULL, M_DEVBUF);
iop_write1(ioph, IOP_ADDR_ALIVE, 0);
/*
* XXX The problem here seems to be that the IOP wants to go back into
* BYPASS mode. The state should be 0x86 after we're done with it
* here. It switches to 0x7 almost immediately.
* This means one of a couple of things to me--
* 1. We're doing something wrong
* 2. MacOS is really shutting down the IOP
* Most likely, it's the first.
*/
printf("OLD cs0: 0x%x\n", (unsigned) ioph->control_status);
iop_write1(ioph, IOP_ADDR_MAX_SEND_CHAN, 7);
iop_write1(ioph, IOP_ADDR_MAX_RECV_CHAN, 7);
ioph->control_status = 0x80 | IOP_CS_RUN | IOP_CS_AUTOINC;
iop_write1(ioph, IOP_ADDR_ALIVE, 0);
{unsigned cs, c2;
cs = (unsigned) ioph->control_status;
printf("OLD cs1: 0x%x\n", cs);
@ -378,7 +389,7 @@ printf("loading msg to iop: cs: 0x%x V1-%x- ", (unsigned) iop->iop->control_stat
printf("msg loaded to iop: cs: 0x%x V1-%x- ", (unsigned) iop->iop->control_status, (unsigned)via_reg(VIA1, vIFR));
}
{int i; for (i=0;i<100;i++) {
{int i; for (i=0;i<16;i++) {
printf(" cs: 0x%x V1-%x- ", (unsigned) iop->iop->control_status, (unsigned)via_reg(VIA1, vIFR));
delay(1000);
}}