upstream/opnsense-src
1
0
Fork 0
mirror of https://github.com/opnsense/src.git synced 2026-05-28 04:12:45 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Remove outb to "prime" the EISA ID registers of each slot. This was

Browse source 
only required to support probing of the Adaptec 284X VLB SCSI controller
which becomes visible in EISA space if you perform these writes.  284X
probing is moving to an ISA attachment.
This commit is contained in:
Justin T. Gibbs 2004-08-16 22:05:53 +00:00
parent 6ec309a62f
commit fc838bef65
1 changed files with 4 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
sys/dev/eisa/eisaconf.c
View file

@ -213,25 +213,22 @@ static int
eisa_probe_slot(int slot, eisa_id_t *eisa_id)
{
eisa_id_t probe_id;
int base, i, id_size, ret;
int base, i, id_size;
ret = ENXIO;
probe_id = 0;
id_size = sizeof(probe_id);
base = 0x0c80 + (slot * 0x1000);
for (i = 0; i < id_size; i++) {
outb(base, 0x80 + i); /* Some cards require priming. */
for (i = 0; i < id_size; i++)
probe_id |= inb(base + i) << ((id_size - i - 1) * CHAR_BIT);
}
/* If we found a card, return its EISA id. */
if ((probe_id & 0x80000000) == 0) {
*eisa_id = probe_id;
ret = 0;
return (0);
}
return (ret);
return (ENXIO);
}
static void