diff options
| -rw-r--r-- | sys/pci/pcisupport.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sys/pci/pcisupport.c b/sys/pci/pcisupport.c index f08155e20c3ea..41531a6c241fe 100644 --- a/sys/pci/pcisupport.c +++ b/sys/pci/pcisupport.c @@ -1,6 +1,6 @@ -/************************************************************************** +42/************************************************************************** ** -** $Id: pcisupport.c,v 1.80 1998/12/14 09:46:31 n_hibma Exp $ +** $Id: pcisupport.c,v 1.81 1998/12/19 02:51:22 msmith Exp $ ** ** Device driver for DEC/INTEL PCI chipsets. ** @@ -42,6 +42,7 @@ */ #include "opt_pci.h" +#include "opt_smp.h" #include <sys/param.h> #include <sys/systm.h> @@ -183,6 +184,17 @@ fixbushigh_450nx(pcici_t tag) } else /* if (devmap & 0x4) */ { /* A0 */ subordinatebus = pci_cfgread(tag, 0xd1, 1); } + if (subordinatebus == 255) { + printf("fixbushigh_450nx: bogus highest PCI bus %d", + subordinatebus); +#ifdef NBUS + subordinatebus = NBUS - 2; +#else + subordinatebus = 10; +#endif + printf(", reduced to %d\n", subordinatebus); + } + if (bootverbose) printf("fixbushigh_450nx: subordinatebus is %d\n", subordinatebus); |