32 lines
639 B
C
32 lines
639 B
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
|
||
|
|
#include <acpi/acpi.h>
|
||
|
|
#include <console/console.h>
|
||
|
|
#include <romstage_handoff.h>
|
||
|
|
|
||
|
|
/* This is filled with acpi_handoff_wakeup_s3() call early in ramstage. */
|
||
|
|
static int acpi_slp_type = -1;
|
||
|
|
|
||
|
|
static void acpi_handoff_wakeup(void)
|
||
|
|
{
|
||
|
|
if (acpi_slp_type < 0) {
|
||
|
|
if (romstage_handoff_is_resume()) {
|
||
|
|
printk(BIOS_DEBUG, "S3 Resume\n");
|
||
|
|
acpi_slp_type = ACPI_S3;
|
||
|
|
} else {
|
||
|
|
printk(BIOS_DEBUG, "Normal boot\n");
|
||
|
|
acpi_slp_type = ACPI_S0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int acpi_handoff_wakeup_s3(void)
|
||
|
|
{
|
||
|
|
acpi_handoff_wakeup();
|
||
|
|
return (acpi_slp_type == ACPI_S3);
|
||
|
|
}
|
||
|
|
|
||
|
|
void __weak mainboard_suspend_resume(void)
|
||
|
|
{
|
||
|
|
}
|