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/* SPDX-License-Identifier: GPL-2.0-only */
#include <acpi/acpi.h>
#include <arch/ioapic.h>
#include <cf9_reset.h>
#include <cpu/x86/smm.h>
#include <pc80/mc146818rtc.h>
static u16 acpi_sci_int(void)
{
u8 gsi, irq, flags;
ioapic_get_sci_pin(&gsi, &irq, &flags);
/* ACPI Release 6.5, 5.2.9 and 5.2.15.5. */
if (!CONFIG(ACPI_HAVE_PCAT_8259))
return gsi;
assert(irq < 16);
return irq;
}
void arch_fill_fadt(acpi_fadt_t *fadt)
{
fadt->sci_int = acpi_sci_int();
if (CONFIG(HAVE_CF9_RESET)) {
fadt->reset_reg.space_id = ACPI_ADDRESS_SPACE_IO;
fadt->reset_reg.bit_width = 8;
fadt->reset_reg.bit_offset = 0;
fadt->reset_reg.access_size = ACPI_ACCESS_SIZE_BYTE_ACCESS;
fadt->reset_reg.addrl = RST_CNT;
fadt->reset_reg.addrh = 0;
fadt->reset_value = RST_CPU | SYS_RST;
fadt->flags |= ACPI_FADT_RESET_REGISTER;
}
if (permanent_smi_handler()) {
fadt->smi_cmd = pm_acpi_smi_cmd_port();
fadt->acpi_enable = APM_CNT_ACPI_ENABLE;
fadt->acpi_disable = APM_CNT_ACPI_DISABLE;
}
if (CONFIG(PC80_SYSTEM)) {
/* Currently these are defined to support date alarm only. */
fadt->day_alrm = RTC_DATE_ALARM;
fadt->mon_alrm = RTC_MONTH_ALARM;
}
/* Careful with USE_OPTION_TABLE. */
if (CONFIG(USE_PC_CMOS_ALTCENTURY))
fadt->century = RTC_CLK_ALTCENTURY;
}
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