diff options
Diffstat (limited to 'src/cpu/intel/model_206ax/common.c')
-rw-r--r-- | src/cpu/intel/model_206ax/common.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/cpu/intel/model_206ax/common.c b/src/cpu/intel/model_206ax/common.c new file mode 100644 index 0000000000..9775efb30d --- /dev/null +++ b/src/cpu/intel/model_206ax/common.c @@ -0,0 +1,31 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 coresystems GmbH + * Copyright (C) 2011 The Chromium OS Authors. All rights reserved. + * + * 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. + */ + +#include <types.h> +#include <cpu/x86/msr.h> +#include "model_206ax.h" + +#define IA32_PLATFORM_ID 0x17 + +int get_platform_id(void) +{ + msr_t msr; + + msr = rdmsr(IA32_PLATFORM_ID); + /* Read Platform Id Bits 52:50 */ + return (msr.hi >> 18) & 0x7; +} |