diff options
Diffstat (limited to 'src/mainboard/lenovo/t400/smihandler.c')
| -rw-r--r-- | src/mainboard/lenovo/t400/smihandler.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t400/smihandler.c b/src/mainboard/lenovo/t400/smihandler.c new file mode 100644 index 0000000000..622b31a1ad --- /dev/null +++ b/src/mainboard/lenovo/t400/smihandler.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#include <arch/io.h> +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <southbridge/intel/i82801ix/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; +} |