diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2010-08-08 04:49:26 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2010-08-08 04:49:26 +0000 |
| commit | b4d66e077ed465678f5fcef9c059ed184e39ba26 (patch) | |
| tree | 233ee462cf5c14239c1f42abb8ce2f9b10770c9b /sys/dev | |
| parent | b82a51148574e4a15b92113bd863f92ebebaac75 (diff) | |
at resume time, re-nable the AMDPM_RNGEN bit
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/pci/amdpm.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/sys/dev/pci/amdpm.c b/sys/dev/pci/amdpm.c index f5a071ea4c5..c9ec865b2f5 100644 --- a/sys/dev/pci/amdpm.c +++ b/sys/dev/pci/amdpm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: amdpm.c,v 1.24 2010/04/08 00:23:53 tedu Exp $ */ +/* $OpenBSD: amdpm.c,v 1.25 2010/08/08 04:49:25 deraadt Exp $ */ /* * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org> @@ -178,6 +178,7 @@ struct amdpm_softc { int amdpm_match(struct device *, void *, void *); void amdpm_attach(struct device *, struct device *, void *); +int amdpm_activate(struct device *, int); void amdpm_rnd_callout(void *); int amdpm_i2c_acquire_bus(void *, int); @@ -188,7 +189,8 @@ int amdpm_i2c_exec(void *, i2c_op_t, i2c_addr_t, const void *, size_t, int amdpm_intr(void *); struct cfattach amdpm_ca = { - sizeof(struct amdpm_softc), amdpm_match, amdpm_attach + sizeof(struct amdpm_softc), amdpm_match, amdpm_attach, NULL, + amdpm_activate }; struct cfdriver amdpm_cd = { @@ -312,6 +314,28 @@ amdpm_attach(struct device *parent, struct device *self, void *aux) config_found(self, &iba, iicbus_print); } +int +amdpm_activate(struct device *self, int act) +{ + struct amdpm_softc *sc = (struct amdpm_softc *)self; + + switch (act) { + case DVACT_RESUME: + if (timeout_initialized(&sc->sc_rnd_ch)) { + pcireg_t cfg_reg; + + /* Restart the AMD PBC768_PMC/8111_PMC RNG */ + cfg_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, + AMDPM_CONFREG); + pci_conf_write(sc->sc_pc, sc->sc_tag, + AMDPM_CONFREG, cfg_reg | AMDPM_RNGEN); + + } + break; + } + return (0); +} + void amdpm_rnd_callout(void *v) { |