smihandler.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <cpu/x86/smm.h>
#include <soc/nvs.h>
#include <southbridge/intel/i82801ix/i82801ix.h>
#include <ec/acpi/ec.h>
 
void mainboard_smi_gpi(u32 gpi_sts)
{
        if (gpi_sts & (1 << 1)) {
                printk(BIOS_DEBUG, "EC/SMI\n");
                /* TODO */
        }
}
 
int mainboard_smi_apmc(u8 apmc)
{
        switch (apmc) {
        case APM_CNT_ACPI_ENABLE:
                send_ec_command(0x05); /* Set_SMI_Disable */
                send_ec_command(0xaa); /* Set_ACPI_Enable */
                break;
 
        case APM_CNT_ACPI_DISABLE:
                send_ec_command(0x04); /* Set_SMI_Enable */
                send_ec_command(0xab); /* Set_ACPI_Disable */
                break;
        }
        return 0;
}