void
amdpm_attach(struct device *parent, struct device *self, void *aux)
{
struct amdpm_softc *sc = (struct amdpm_softc *) self;
struct pci_attach_args *pa = aux;
struct i2cbus_attach_args iba;
pcireg_t cfg_reg, reg;
int i;
sc->sc_pc = pa->pa_pc;
sc->sc_tag = pa->pa_tag;
sc->sc_iot = pa->pa_iot;
sc->sc_poll = 1; /* XXX */
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) {
cfg_reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMDPM_CONFREG);
if ((cfg_reg & AMDPM_PMIOEN) == 0) {
printf(": PMxx space isn't enabled\n");
return;
}
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMDPM_PMPTR);
if (AMDPM_PMBASE(reg) == 0 ||
bus_space_map(sc->sc_iot, AMDPM_PMBASE(reg), AMDPM_PMSIZE,
0, &sc->sc_ioh)) {
printf("\n");
return;
}
if (bus_space_subregion(sc->sc_iot, sc->sc_ioh, AMDPM_SMB_REGS,
AMDPM_SMB_SIZE, &sc->sc_i2c_ioh)) {
printf(": failed to map I2C subregion\n");
return;
}
if ((cfg_reg & AMDPM_TMRRST) == 0 &&
(cfg_reg & AMDPM_STOPTMR) == 0 &&
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PBC768_PMC ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_8111_PMC)) {
printf(": %d-bit timer at %lluHz",
(cfg_reg & AMDPM_TMR32) ? 32 : 24,
amdpm_timecounter.tc_frequency);
amdpm_timecounter.tc_priv = sc;
if (cfg_reg & AMDPM_TMR32)
amdpm_timecounter.tc_counter_mask = 0xffffffffu;
tc_init(&amdpm_timecounter);
}
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PBC768_PMC ||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_8111_PMC) {
if ((cfg_reg & AMDPM_RNGEN) ==0) {
pci_conf_write(pa->pa_pc, pa->pa_tag,
AMDPM_CONFREG, cfg_reg | AMDPM_RNGEN);
cfg_reg = pci_conf_read(pa->pa_pc, pa->pa_tag,
AMDPM_CONFREG);
}
if (cfg_reg & AMDPM_RNGEN) {
/* Check to see if we can read data from the RNG. */
(void) bus_space_read_4(sc->sc_iot, sc->sc_ioh,
AMDPM_RNGDATA);
for (i = 1000; i--; ) {
if (bus_space_read_1(sc->sc_iot,
sc->sc_ioh, AMDPM_RNGSTAT) &
AMDPM_RNGDONE)
break;
DELAY(10);
}
if (bus_space_read_1(sc->sc_iot, sc->sc_ioh,
AMDPM_RNGSTAT) & AMDPM_RNGDONE) {
printf(": rng active");
timeout_set(&sc->sc_rnd_ch,
amdpm_rnd_callout, sc);
amdpm_rnd_callout(sc);
}
}
}
} else if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_NVIDIA) {
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, NFPM_PMPTR);
if (AMDPM_PMBASE(reg) == 0 ||
bus_space_map(sc->sc_iot, AMDPM_PMBASE(reg), AMDPM_SMB_SIZE, 0,
&sc->sc_i2c_ioh)) {
printf(": failed to map I2C subregion\n");
return;
}
}
printf("\n");
/* Attach I2C bus */
rw_init(&sc->sc_i2c_lock, "iiclk");
sc->sc_i2c_tag.ic_cookie = sc;
sc->sc_i2c_tag.ic_acquire_bus = amdpm_i2c_acquire_bus;
sc->sc_i2c_tag.ic_release_bus = amdpm_i2c_release_bus;
sc->sc_i2c_tag.ic_exec = amdpm_i2c_exec;
bzero(&iba, sizeof(iba));
iba.iba_name = "iic";
iba.iba_tag = &sc->sc_i2c_tag;
config_found(self, &iba, iicbus_print);
}
void
amdpm_attach(struct device *parent, struct device *self, void *aux)
{
struct amdpm_softc *sc = (struct amdpm_softc *) self;
struct pci_attach_args *pa = aux;
struct timeval tv1, tv2;
pcireg_t reg;
int i;
sc->sc_pc = pa->pa_pc;
sc->sc_tag = pa->pa_tag;
sc->sc_iot = pa->pa_iot;
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMDPM_CONFREG);
if ((reg & AMDPM_PMIOEN) == 0) {
printf(": PMxx space isn't enabled\n");
return;
}
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMDPM_PMPTR);
if (bus_space_map(sc->sc_iot, AMDPM_PMBASE(reg), AMDPM_PMSIZE,
0, &sc->sc_ioh)) {
printf(": failed to map PMxx space\n");
return;
}
reg = pci_conf_read(pa->pa_pc, pa->pa_tag, AMDPM_CONFREG);
if (reg & AMDPM_RNGEN) {
/* Check to see if we can read data from the RNG. */
(void) bus_space_read_4(sc->sc_iot, sc->sc_ioh,
AMDPM_RNGDATA);
/* benchmark the RNG */
microtime(&tv1);
for (i = 2 * 1024; i--; ) {
while(!(bus_space_read_1(sc->sc_iot, sc->sc_ioh,
AMDPM_RNGSTAT) & AMDPM_RNGDONE))
;
(void) bus_space_read_4(sc->sc_iot, sc->sc_ioh,
AMDPM_RNGDATA);
}
microtime(&tv2);
timersub(&tv2, &tv1, &tv1);
if (tv1.tv_sec)
tv1.tv_usec += 1000000 * tv1.tv_sec;
printf(": rng active, %dKb/sec", 8 * 1000000 / tv1.tv_usec);
#ifdef AMDPM_RND_COUNTERS
evcnt_attach_dynamic(&sc->sc_rnd_hits, EVCNT_TYPE_MISC,
NULL, sc->sc_dev.dv_xname, "rnd hits");
evcnt_attach_dynamic(&sc->sc_rnd_miss, EVCNT_TYPE_MISC,
NULL, sc->sc_dev.dv_xname, "rnd miss");
for (i = 0; i < 256; i++) {
evcnt_attach_dynamic(&sc->sc_rnd_data[i],
EVCNT_TYPE_MISC, NULL, sc->sc_dev.dv_xname,
"rnd data");
}
#endif
timeout_set(&sc->sc_rnd_ch, amdpm_rnd_callout, sc);
amdpm_rnd_callout(sc);
}
}