src/soc/intel/fsp_baytrail/baytrail/msr.h

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2013 Google, Inc.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; version 2 of the License.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  */
  15
  16 #ifndef _BAYTRAIL_MSR_H_
  17 #define _BAYTRAIL_MSR_H_
  18
  19 #define MSR_IA32_PLATFORM_ID            0x17
  20 #define MSR_BSEL_CR_OVERCLOCK_CONTROL   0xcd
  21 #define MSR_PLATFORM_INFO               0xce
  22 #define MSR_PMG_CST_CONFIG_CONTROL      0xe2
  23 #define MSR_POWER_MISC                  0x120
  24 #define MSR_IA32_PERF_CTL               0x199
  25 #define MSR_IA32_MISC_ENABLES           0x1a0
  26 #define MSR_POWER_CTL                   0x1fc
  27 #define MSR_PKG_POWER_SKU_UNIT          0x606
  28 #define MSR_PKG_POWER_LIMIT             0x610
  29 #define MSR_IACORE_RATIOS               0x66a
  30 #define MSR_IACORE_TURBO_RATIOS         0x66c
  31 #define MSR_IACORE_VIDS                 0x66b
  32 #define MSR_IACORE_TURBO_VIDS           0x66d
  33
  34 /* Read BCLK from MSR */
  35 unsigned bus_freq_khz(void);
  36
  37 #endif /* _BAYTRAIL_MSR_H_ */