diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2007-03-22 06:54:02 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2007-03-22 06:54:02 +0000 |
| commit | 4d5a7a16347f08116b507840ae1397ed831ca51a (patch) | |
| tree | 509dda40dea24c0fd8fab17cde8f69feee1b7550 | |
| parent | 26578811cef157620f67fafd800a874b084f8d01 (diff) | |
read and write funcs for the global register space
| -rw-r--r-- | sys/dev/ic/sili.c | 24 | ||||
| -rw-r--r-- | sys/dev/ic/silireg.h | 4 |
2 files changed, 24 insertions, 4 deletions
diff --git a/sys/dev/ic/sili.c b/sys/dev/ic/sili.c index 966dbbcbcac..2de7cc23b71 100644 --- a/sys/dev/ic/sili.c +++ b/sys/dev/ic/sili.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sili.c,v 1.1 2007/03/22 02:48:42 dlg Exp $ */ +/* $OpenBSD: sili.c,v 1.2 2007/03/22 06:54:01 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -35,6 +35,9 @@ struct cfdriver sili_cd = { NULL, "sili", DV_DULL }; +u_int32_t sili_read(struct sili_softc *, bus_size_t); +void sili_write(struct sili_softc *, bus_size_t, u_int32_t); + int sili_attach(struct sili_softc *sc) { @@ -59,3 +62,22 @@ sili_intr(void *arg) return (0); } +u_int32_t +sili_read(struct sili_softc *sc, bus_size_t r) +{ + u_int32_t rv; + + bus_space_barrier(sc->sc_iot_global, sc->sc_ioh_global, r, 4, + BUS_SPACE_BARRIER_READ); + rv = bus_space_read_4(sc->sc_iot_global, sc->sc_ioh_global, r); + + return (rv); +} + +void +sili_write(struct sili_softc *sc, bus_size_t r, u_int32_t v) +{ + bus_space_write_4(sc->sc_iot_global, sc->sc_ioh_global, r, v); + bus_space_barrier(sc->sc_iot_global, sc->sc_ioh_global, r, 4, + BUS_SPACE_BARRIER_WRITE); +} diff --git a/sys/dev/ic/silireg.h b/sys/dev/ic/silireg.h index e66103c47ed..db6c830f28f 100644 --- a/sys/dev/ic/silireg.h +++ b/sys/dev/ic/silireg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: silireg.h,v 1.2 2007/03/22 06:32:14 dlg Exp $ */ +/* $OpenBSD: silireg.h,v 1.3 2007/03/22 06:54:01 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -19,5 +19,3 @@ #define SILI_PCI_BAR_GLOBAL 0x10 #define SILI_PCI_BAR_PORT 0x14 #define SILI_PCI_BAR_INDIRECT 0x18 - - |