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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <acpi/acpi_gnvs.h>
#include <acpi/acpigen.h>
#include <device/mmio.h>
#include <arch/smp/mpspec.h>
#include <intelblocks/cpulib.h>
#include <intelblocks/pmclib.h>
#include <intelblocks/acpi.h>
#include <soc/cpu.h>
#include <soc/iomap.h>
#include <soc/nvs.h>
#include <soc/pci_devs.h>
#include <soc/pm.h>
#include <soc/soc_chip.h>
#include <soc/systemagent.h>
#include <string.h>
/*
* List of supported C-states in this processor.
*/
enum {
C_STATE_C0, /* 0 */
C_STATE_C1, /* 1 */
C_STATE_C1E, /* 2 */
C_STATE_C6_SHORT_LAT, /* 3 */
C_STATE_C6_LONG_LAT, /* 4 */
C_STATE_C7_SHORT_LAT, /* 5 */
C_STATE_C7_LONG_LAT, /* 6 */
C_STATE_C7S_SHORT_LAT, /* 7 */
C_STATE_C7S_LONG_LAT, /* 8 */
C_STATE_C8, /* 9 */
C_STATE_C9, /* 10 */
C_STATE_C10, /* 11 */
NUM_C_STATES
};
static const acpi_cstate_t cstate_map[NUM_C_STATES] = {
[C_STATE_C0] = {},
[C_STATE_C1] = {
.latency = 0,
.power = C1_POWER,
.resource = MWAIT_RES(0, 0),
},
[C_STATE_C1E] = {
.latency = 0,
.power = C1_POWER,
.resource = MWAIT_RES(0, 1),
},
[C_STATE_C6_SHORT_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C6_POWER,
.resource = MWAIT_RES(2, 0),
},
[C_STATE_C6_LONG_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C6_POWER,
.resource = MWAIT_RES(2, 1),
},
[C_STATE_C7_SHORT_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C7_POWER,
.resource = MWAIT_RES(3, 0),
},
[C_STATE_C7_LONG_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C7_POWER,
.resource = MWAIT_RES(3, 1),
},
[C_STATE_C7S_SHORT_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C7_POWER,
.resource = MWAIT_RES(3, 2),
},
[C_STATE_C7S_LONG_LAT] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C7_POWER,
.resource = MWAIT_RES(3, 3),
},
[C_STATE_C8] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C8_POWER,
.resource = MWAIT_RES(4, 0),
},
[C_STATE_C9] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C9_POWER,
.resource = MWAIT_RES(5, 0),
},
[C_STATE_C10] = {
.latency = C_STATE_LATENCY_FROM_LAT_REG(0),
.power = C10_POWER,
.resource = MWAIT_RES(6, 0),
},
};
static int cstate_set_non_s0ix[] = {
C_STATE_C1E,
C_STATE_C6_LONG_LAT,
C_STATE_C7S_LONG_LAT
};
static int cstate_set_s0ix[] = {
C_STATE_C1E,
C_STATE_C7S_LONG_LAT,
C_STATE_C10
};
acpi_cstate_t *soc_get_cstate_map(size_t *entries)
{
static acpi_cstate_t map[MAX(ARRAY_SIZE(cstate_set_s0ix),
ARRAY_SIZE(cstate_set_non_s0ix))];
int *set;
int i;
config_t *config = config_of_soc();
int is_s0ix_enable = config->s0ix_enable;
if (is_s0ix_enable) {
*entries = ARRAY_SIZE(cstate_set_s0ix);
set = cstate_set_s0ix;
} else {
*entries = ARRAY_SIZE(cstate_set_non_s0ix);
set = cstate_set_non_s0ix;
}
for (i = 0; i < *entries; i++) {
memcpy(&map[i], &cstate_map[set[i]], sizeof(acpi_cstate_t));
map[i].ctype = i + 1;
}
return map;
}
void soc_power_states_generation(int core_id, int cores_per_package)
{
config_t *config = config_of_soc();
if (config->eist_enable)
/* Generate P-state tables */
generate_p_state_entries(core_id, cores_per_package);
}
void soc_fill_fadt(acpi_fadt_t *fadt)
{
const uint16_t pmbase = ACPI_BASE_ADDRESS;
config_t *config = config_of_soc();
fadt->pm_tmr_blk = pmbase + PM1_TMR;
fadt->pm_tmr_len = 4;
fadt->x_pm_tmr_blk.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->x_pm_tmr_blk.bit_width = fadt->pm_tmr_len * 8;
fadt->x_pm_tmr_blk.bit_offset = 0;
fadt->x_pm_tmr_blk.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
fadt->x_pm_tmr_blk.addrl = pmbase + PM1_TMR;
fadt->x_pm_tmr_blk.addrh = 0x0;
if (config->s0ix_enable)
fadt->flags |= ACPI_FADT_LOW_PWR_IDLE_S0;
}
uint32_t soc_read_sci_irq_select(void)
{
uintptr_t pmc_bar = soc_read_pmc_base();
return read32((void *)pmc_bar + IRQ_REG);
}
void soc_fill_gnvs(struct global_nvs *gnvs)
{
config_t *config = config_of_soc();
/* Enable DPTF based on mainboard configuration */
gnvs->dpte = config->dptf_enable;
/* Set USB2/USB3 wake enable bitmaps. */
gnvs->u2we = config->usb2_wake_enable_bitmap;
gnvs->u3we = config->usb3_wake_enable_bitmap;
/* Fill in Above 4GB MMIO resource */
sa_fill_gnvs(gnvs);
}
uint32_t acpi_fill_soc_wake(uint32_t generic_pm1_en,
const struct chipset_power_state *ps)
{
/*
* WAK_STS bit is set when the system is in one of the sleep states
* (via the SLP_EN bit) and an enabled wake event occurs. Upon setting
* this bit, the PMC will transition the system to the ON state and
* can only be set by hardware and can only be cleared by writing a one
* to this bit position.
*/
generic_pm1_en |= WAK_STS | RTC_EN | PWRBTN_EN;
return generic_pm1_en;
}
int soc_madt_sci_irq_polarity(int sci)
{
return MP_IRQ_POLARITY_HIGH;
}
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