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Diffstat (limited to 'src/mainboard/lenovo/t400/cstates.c')
-rw-r--r-- | src/mainboard/lenovo/t400/cstates.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t400/cstates.c b/src/mainboard/lenovo/t400/cstates.c new file mode 100644 index 0000000000..10623082fc --- /dev/null +++ b/src/mainboard/lenovo/t400/cstates.c @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 secunet Security Networks AG + * + * 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/acpigen.h> +#include <device/device.h> /* fix for i82801ix.h */ +#include <southbridge/intel/i82801ix/i82801ix.h> + +static acpi_cstate_t cst_entries[] = { + { + /* acpi C1 / cpu C1 */ + 1, 0x01, 1000, + { ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0, 0 } + }, + { + /* acpi C2 / cpu C2 */ + 2, 0x01, 500, + { ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0x10, 0 } + }, +}; + +int get_cst_entries(acpi_cstate_t **entries) +{ + *entries = cst_entries; + return ARRAY_SIZE(cst_entries); +} |