int
k7pnow_acpi_init(struct k7pnow_cpu_state *cstate, uint64_t status)
{
int curs;
uint32_t ctrl;
struct acpicpu_pss *pss;
int mfid;
cstate->n_states = acpicpu_fetch_pss(&pss);
if (cstate->n_states == 0)
return 0;
curs = k7pnow_acpi_states(cstate, pss, cstate->n_states, status);
/*
* XXX: Some BIOS supplied _PSS implementations have the wrong
* maximum frequency, if we encounter one of these punt and
* hope the legacy tables have correct values.
*/
mfid = PN7_STA_MFID(status);
if (mfid != cstate->state_table[cstate->n_states - 1].fid) {
return 0;
}
acpicpu_set_notify(k7pnow_acpi_pss_changed);
ctrl = pss[curs].pss_ctrl;
cstate->sgtc = PN7_ACPI_CTRL_TO_SGTC(ctrl);
return 1;
}
int
k8pnow_acpi_init(struct k8pnow_cpu_state * cstate, uint64_t status)
{
int curs;
uint32_t ctrl;
struct acpicpu_pss *pss;
cstate->n_states = acpicpu_fetch_pss(&pss);
if (cstate->n_states == 0)
return 0;
acpicpu_set_notify(k8pnow_acpi_pss_changed);
curs = k8pnow_acpi_states(cstate, pss, cstate->n_states, status);
ctrl = pss[curs].pss_ctrl;
cstate->rvo = PN8_ACPI_CTRL_TO_RVO(ctrl);
cstate->vst = PN8_ACPI_CTRL_TO_VST(ctrl);
cstate->mvs = PN8_ACPI_CTRL_TO_MVS(ctrl);
cstate->pll = PN8_ACPI_CTRL_TO_PLL(ctrl);
cstate->irt = PN8_ACPI_CTRL_TO_IRT(ctrl);
cstate->low = 0;
return 1;
}