Re: Adaptec scsi driver OBSD 3.3 question

["Marco Peereboom" <slash@peereboom.us>]

Try printf(" Enabling Memory Mapping ");

> -----Original Message-----
> From: J.D. Bronson [mailto:jeff@xpec.com] 
> Sent: Saturday, May 03, 2003 13:09
> To: slash@peereboom.us; tech@openbsd.org
> Subject: RE: Adaptec scsi driver OBSD 3.3 question
> 
> 
> At 12:16 PM 05/03/2003, Marco Peereboom wrote:
> >The code is not verbose enough and it won't tell you what it did.
> >
> >Add a printf after /* Using memory mapping ... */ saying 
> memory mapping 
> >enabled or something. The code will try to go back to IO 
> mappings when 
> >it didn't work though.
> >
> >What I don't get is why is this such a big deal for you? 
> What's wrong 
> >with IO mapping instead of memory mapping?
> >
> >/marco
> 
> 
> Well I tried this idea, but since I know very little about 
> code, it ended 
> up panicing on boot and dropping to ddb>
> 
>                  if (ioh_valid) {
>                          /*
>                           * Do a quick test to see if memory mapped
>                           * I/O is functioning correctly.
>                           */
>                          ahc->tag = iot;
>                          ahc->bsh = ioh;
>                          if (ahc_inb(ahc, HCNTRL) == 0xFF) {
>                                  /* nope, use I/O mapping */
>                                  ioh_valid = 0;
>                          } else {
>                                  /* Using memory mapping, disable I/O 
> mapping */
>   ---->                          printf("%s: Enabling Memory 
> Mapping\n");
>                                  command &= ~PCI_COMMAND_IO_ENABLE;
>                                  ahc_pci_write_config(ahc->dev_softc,
>                                                       
> PCI_COMMAND_STATUS_REG,
>                                                       command, 4);
>                          }
> 
> Did I make a typo?
> Thanks for any continued help guys...Especially Marco!
> 
> 
> 
> 
> -- 
> J.D. Bronson
> Aurora Health Care
> Information Services
> Milwaukee, Wisconsin USA
> Main Office: 414.978.3000