diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2016-01-15 06:38:34 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2016-01-15 06:38:34 +0000 |
| commit | 94e55666202c8cb217d25c98fad1f7b7b3a2cfef (patch) | |
| tree | bb7ce32fdcabed80ae53671946f3641235bbeb7a /sys/dev | |
| parent | c76110d1b50a61e2d8d0c1e22f68a898b35cb48e (diff) | |
when enabling the controller, wait till CSTS.RDY lights up.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/ic/nvme.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sys/dev/ic/nvme.c b/sys/dev/ic/nvme.c index 908811c5895..c46c45287ca 100644 --- a/sys/dev/ic/nvme.c +++ b/sys/dev/ic/nvme.c @@ -1,4 +1,4 @@ -/* $OpenBSD: nvme.c,v 1.13 2016/01/15 06:34:19 dlg Exp $ */ +/* $OpenBSD: nvme.c,v 1.14 2016/01/15 06:38:33 dlg Exp $ */ /* * Copyright (c) 2014 David Gwynne <dlg@openbsd.org> @@ -206,15 +206,15 @@ nvme_enable(struct nvme_softc *sc, u_int mps) if (ISSET(cc, NVME_CC_EN)) return (nvme_ready(sc, NVME_CSTS_RDY)); + nvme_write4(sc, NVME_AQA, NVME_AQA_ACQS(sc->sc_admin_q->q_entries) | + NVME_AQA_ASQS(sc->sc_admin_q->q_entries)); + nvme_barrier(sc, 0, sc->sc_ios, BUS_SPACE_BARRIER_WRITE); + nvme_write8(sc, NVME_ASQ, NVME_DMA_DVA(sc->sc_admin_q->q_sq_dmamem)); nvme_barrier(sc, 0, sc->sc_ios, BUS_SPACE_BARRIER_WRITE); nvme_write8(sc, NVME_ACQ, NVME_DMA_DVA(sc->sc_admin_q->q_cq_dmamem)); nvme_barrier(sc, 0, sc->sc_ios, BUS_SPACE_BARRIER_WRITE); - nvme_write4(sc, NVME_AQA, NVME_AQA_ACQS(sc->sc_admin_q->q_entries) | - NVME_AQA_ASQS(sc->sc_admin_q->q_entries)); - nvme_barrier(sc, 0, sc->sc_ios, BUS_SPACE_BARRIER_WRITE); - CLR(cc, NVME_CC_IOCQES_MASK | NVME_CC_IOSQES_MASK | NVME_CC_SHN_MASK | NVME_CC_AMS_MASK | NVME_CC_MPS_MASK | NVME_CC_CSS_MASK); SET(cc, NVME_CC_IOSQES(ffs(64) - 1) | NVME_CC_IOCQES(ffs(16) - 1)); @@ -228,7 +228,7 @@ nvme_enable(struct nvme_softc *sc, u_int mps) nvme_barrier(sc, 0, sc->sc_ios, BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); - return (0); + return (nvme_ready(sc, NVME_CSTS_RDY)); } int |