diff options
| author | gibbs <gibbs@FreeBSD.org> | 1996-02-16 17:24:19 +0000 |
|---|---|---|
| committer | gibbs <gibbs@FreeBSD.org> | 1996-02-16 17:24:19 +0000 |
| commit | de8a3631f094c583d345a959990d33cd3ae8db7a (patch) | |
| tree | 60c02934455383b870e2972724a9e6253a377720 /sys/pci | |
| parent | 26f02b4e28abcb1c6baf6a0e07ceaa1c3f165c06 (diff) | |
| download | FreeBSD-src-de8a3631f094c583d345a959990d33cd3ae8db7a.zip FreeBSD-src-de8a3631f094c583d345a959990d33cd3ae8db7a.tar.gz | |
Allow I/O port ranges above the standard ISA one so the PCI probe will succeed.
Reviewed by: Richard J Kuhns <rjk@sparcmill.grauel.com>
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/bt9xx.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/sys/pci/bt9xx.c b/sys/pci/bt9xx.c index b5befcf..319705f 100644 --- a/sys/pci/bt9xx.c +++ b/sys/pci/bt9xx.c @@ -19,7 +19,7 @@ * 4. Modifications may be freely made to this file if the above conditions * are met. * - * $Id: bt9xx.c,v 1.4 1996/01/23 21:46:57 se Exp $ + * $Id: bt9xx.c,v 1.5 1996/02/12 17:00:39 gibbs Exp $ */ #include <pci.h> @@ -35,7 +35,6 @@ #include <i386/scsi/btreg.h> /* XXX Need more device IDs */ -#define PCI_BASEADR0 PCI_MAP_REG_START #define PCI_DEVICE_ID_BUSLOGIC_946 0x1040104Bul static char* bt_pci_probe __P((pcici_t tag, pcidi_t type)); @@ -70,17 +69,21 @@ bt_pci_attach(config_id, unit) pcici_t config_id; int unit; { + u_char reg; u_long io_port; unsigned opri = 0; struct bt_data *bt; - if(!(io_port = pci_conf_read(config_id, PCI_BASEADR0))) + for(reg = PCI_MAP_REG_START; reg < PCI_MAP_REG_END; reg+=4) { + io_port = pci_conf_read(config_id, reg); + if ((io_port&~7)==0) continue; + if(io_port & PCI_MAP_IO) { + io_port &= ~PCI_MAP_IO; + break; + } + } + if(reg == PCI_MAP_REG_END) return; - /* - * The first bit of PCI_BASEADR0 is always - * set hence we mask it off. - */ - io_port &= 0xfffffffe; if(!(bt = bt_alloc(unit, io_port))) return; /* XXX PCI code should take return status */ |
