diff options
Diffstat (limited to 'sys/arch/sparc64/dev/iommu.c')
| -rw-r--r-- | sys/arch/sparc64/dev/iommu.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/arch/sparc64/dev/iommu.c b/sys/arch/sparc64/dev/iommu.c index b4ea80e7204..46ffe82e534 100644 --- a/sys/arch/sparc64/dev/iommu.c +++ b/sys/arch/sparc64/dev/iommu.c @@ -1,4 +1,4 @@ -/* $OpenBSD: iommu.c,v 1.45 2007/04/02 13:23:46 claudio Exp $ */ +/* $OpenBSD: iommu.c,v 1.46 2007/04/04 20:09:37 kettenis Exp $ */ /* $NetBSD: iommu.c,v 1.47 2002/02/08 20:03:45 eeh Exp $ */ /* @@ -148,7 +148,7 @@ iommu_init(char *name, struct iommu_state *is, int tsbsize, u_int32_t iovabase) * be hard-wired, so we read the start and size from the PROM and * just use those values. */ - is->is_cr = (tsbsize << 16) | IOMMUCR_EN; + is->is_cr = IOMMUCR_EN; is->is_tsbsize = tsbsize; if (iovabase == (u_int32_t)-1) { is->is_dvmabase = IOTSB_VSTART(is->is_tsbsize); @@ -220,7 +220,16 @@ iommu_init(char *name, struct iommu_state *is, int tsbsize, u_int32_t iovabase) M_DEVBUF, 0, 0, EX_NOWAIT); /* - * now actually start up the IOMMU + * Set the TSB size. The relevant bits were moved to the TSB + * base register in the PCIe host bridges. + */ + if (strncmp(name, "pyro", 4) == 0) + is->is_ptsb |= is->is_tsbsize; + else + is->is_cr |= (is->is_tsbsize << 16); + + /* + * Now actually start up the IOMMU. */ iommu_reset(is); printf("\n"); |