diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2009-09-24 21:26:26 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2009-09-24 21:26:26 +0000 |
| commit | 884f7bb688f5a8e1025a3e438856b7fc3287505c (patch) | |
| tree | 961f907c61977c945f7d7dc95139e54f4d7cfaa9 /sys | |
| parent | a356134ea75111af3926f5ec0be07351bbbae429 (diff) | |
Handle the upper 32 bits of the prefetchable memory range when setting up
the ppb resource extents, on LP64 systems. Found the hard way on an alpha.
ok kettenis@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/ppb.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/dev/pci/ppb.c b/sys/dev/pci/ppb.c index 1f16800d02f..1ba62828c96 100644 --- a/sys/dev/pci/ppb.c +++ b/sys/dev/pci/ppb.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ppb.c,v 1.34 2009/05/30 18:46:06 jsg Exp $ */ +/* $OpenBSD: ppb.c,v 1.35 2009/09/24 21:26:25 miod Exp $ */ /* $NetBSD: ppb.c,v 1.16 1997/06/06 23:48:05 thorpej Exp $ */ /* @@ -215,11 +215,17 @@ ppbattach(struct device *parent, struct device *self, void *aux) blr = pci_conf_read(pc, pa->pa_tag, PPB_REG_PREFMEM); sc->sc_pmembase = (blr & 0x0000fff0) << 16; sc->sc_pmemlimit = (blr & 0xfff00000) | 0x000fffff; +#ifdef __LP64__ /* XXX because extents use long... */ + blr = pci_conf_read(pc, pa->pa_tag, PPB_REG_PREFBASE_HI32); + sc->sc_pmembase |= ((uint64_t)blr) << 32; + blr = pci_conf_read(pc, pa->pa_tag, PPB_REG_PREFLIM_HI32); + sc->sc_pmemlimit |= ((uint64_t)blr) << 32; +#endif if (sc->sc_pmemlimit > sc->sc_pmembase) { name = malloc(32, M_DEVBUF, M_NOWAIT); if (name) { snprintf(name, 32, "%s pcipmem", sc->sc_dev.dv_xname); - sc->sc_pmemex = extent_create(name, 0, 0xffffffff, + sc->sc_pmemex = extent_create(name, 0, (u_long)-1L, M_DEVBUF, NULL, 0, EX_NOWAIT | EX_FILLED); extent_free(sc->sc_pmemex, sc->sc_pmembase, sc->sc_pmemlimit - sc->sc_pmembase + 1, |