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Diffstat (limited to 'sys')
-rw-r--r--sys/dev/pci/amdpm.c28
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)
{