diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-05 10:45:26 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-05 10:45:26 +0000 |
| commit | 29d61ad0eba019ff596945bc75c67b2f1bb503ed (patch) | |
| tree | ca3bcf779e94de5c59d27761f5fac928247c0be5 /sys/dev/ic/sili.c | |
| parent | fb23daef62b22dacb032aaa0ecaa61e15e4880d4 (diff) | |
finish resetting the device by sending a soft reset via the post_direct
mechanism, and then read the device signature.
Diffstat (limited to 'sys/dev/ic/sili.c')
| -rw-r--r-- | sys/dev/ic/sili.c | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/sys/dev/ic/sili.c b/sys/dev/ic/sili.c index de928480f96..ca781baa117 100644 --- a/sys/dev/ic/sili.c +++ b/sys/dev/ic/sili.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sili.c,v 1.10 2007/04/05 10:15:27 dlg Exp $ */ +/* $OpenBSD: sili.c,v 1.11 2007/04/05 10:45:25 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -65,6 +65,7 @@ int sili_pwait_ne(struct sili_port *, bus_size_t, u_int32_t, u_int32_t, int); void sili_post_direct(struct sili_port *, u_int, void *, size_t buflen); +u_int32_t sili_signature(struct sili_port *, u_int); /* atascsi interface */ int sili_ata_probe(void *, int); @@ -249,11 +250,26 @@ sili_post_direct(struct sili_port *sp, u_int slot, void *buf, size_t buflen) sili_pwrite(sp, SILI_PREG_FIFO, slot); } +u_int32_t +sili_signature(struct sili_port *sp, u_int slot) +{ + u_int32_t sig_hi, sig_lo; + + sig_hi = sili_pread(sp, SILI_PREG_SIG_HI(slot)); + sig_hi <<= SILI_PREG_SIG_HI_SHIFT; + sig_lo = sili_pread(sp, SILI_PREG_SIG_LO(slot)); + sig_lo &= SILI_PREG_SIG_LO_MASK; + + return (sig_hi | sig_lo); +} + int sili_ata_probe(void *xsc, int port) { struct sili_softc *sc = xsc; struct sili_port *sp = &sc->sc_ports[port]; + struct sili_prb_softreset sreset; + u_int32_t signature; sili_pwrite(sp, SILI_PREG_PCC, SILI_PREG_PCC_PORTRESET); sili_pwrite(sp, SILI_PREG_PCS, SILI_PREG_PCS_A32B); @@ -262,9 +278,26 @@ sili_ata_probe(void *xsc, int port) SATA_SStatus_DET_DEV, 1000)) return (ATA_PORT_T_NONE); - printf("%s.%d: SSTS 0x%08x\n", DEVNAME(sc), port, + DPRINTF(SILI_D_VERBOSE, "%s.%d: SSTS 0x%08x\n", DEVNAME(sc), port, sili_pread(sp, SILI_PREG_SSTS)); + bzero(&sreset, sizeof(sreset)); + sreset.control = htole16(SILI_PRB_SOFT_RESET | SILI_PRB_INTERRUPT_MASK); + /* XXX sreset fis pmp field */ + + /* we use slot 0 */ + sili_post_direct(sp, 0, &sreset, sizeof(sreset)); + if (!sili_pwait_eq(sp, SILI_PREG_PSS, (1 << 0), 0, 1000)) { + /* DPRINTF timeout waiting for soft reset */ + return (ATA_PORT_T_NONE); + } + + /* Read device signature from command slot. */ + signature = sili_signature(sp, 0); + + DPRINTF(SILI_D_VERBOSE, "%s.%d: signature 0x%08x\n", DEVNAME(sc), port, + signature); + return (ATA_PORT_T_NONE); } |