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/* SPDX-License-Identifier: GPL-2.0-only */
/* ACPI - create the Fixed ACPI Description Tables (FADT) */
#include <acpi/acpi.h>
#include <amdblocks/acpi.h>
#include <amdblocks/acpimmio.h>
#include <amdblocks/cpu.h>
#include <amdblocks/data_fabric.h>
#include <arch/ioapic.h>
#include <console/console.h>
#include <vendorcode/amd/opensil/genoa_poc/opensil.h>
/* TODO: this can go in a common place */
unsigned long acpi_fill_madt(unsigned long current)
{
struct device *dev = NULL;
while ((dev = dev_find_path(dev, DEVICE_PATH_DOMAIN)) != NULL) {
struct resource *res = probe_resource(dev, IOMMU_IOAPIC_IDX);
if (!res)
continue;
current += acpi_create_madt_ioapic_from_hw((acpi_madt_ioapic_t *)current,
res->base);
}
return current;
}
void acpi_fill_fadt(acpi_fadt_t *fadt)
{
/* Fill in pm1_evt, pm1_cnt, pm_tmr, gpe0_blk from openSIL input structure */
opensil_fill_fadt_io_ports(fadt);
fadt->pm1_evt_len = 4; /* 32 bits */
fadt->pm1_cnt_len = 2; /* 16 bits */
fadt->pm_tmr_len = 4; /* 32 bits */
fadt->gpe0_blk_len = 8; /* 64 bits */
fill_fadt_extended_pm_regs(fadt);
fadt->iapc_boot_arch = ACPI_FADT_LEGACY_FREE; /* legacy free default */
fadt->flags |= ACPI_FADT_WBINVD | /* See table 5-34 ACPI 6.3 spec */
ACPI_FADT_C1_SUPPORTED |
ACPI_FADT_S4_RTC_WAKE |
ACPI_FADT_32BIT_TIMER |
ACPI_FADT_PCI_EXPRESS_WAKE |
ACPI_FADT_PLATFORM_CLOCK |
ACPI_FADT_S4_RTC_VALID |
ACPI_FADT_REMOTE_POWER_ON;
fadt->x_firmware_ctl_l = 0; /* set to 0 if firmware_ctrl is used */
fadt->x_firmware_ctl_h = 0;
}
/* There are only the following 2 C-states reported by the reference firmware */
const acpi_cstate_t cstate_cfg_table[] = {
[0] = {
.ctype = 1,
.latency = 1,
.power = 0,
},
[1] = {
.ctype = 2,
.latency = 0x12,
.power = 0,
},
};
const acpi_cstate_t *get_cstate_config_data(size_t *size)
{
*size = ARRAY_SIZE(cstate_cfg_table);
return cstate_cfg_table;
}
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