src/soc/amd/common/block/include/amdblocks/cpu.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef AMD_BLOCK_CPU_H
   4 #define AMD_BLOCK_CPU_H
   5
   6 #include <acpi/acpi.h>
   7 #include <types.h>
   8
   9 #define MAX_CSTATE_COUNT        8
  10
  11 void early_cache_setup(void);
  12 int get_cpu_count(void);
  13 unsigned int get_threads_per_core(void);
  14 void set_cstate_io_addr(void);
  15 void write_resume_eip(void);
  16
  17 union pstate_msr; /* proper definition is in soc/msr.h */
  18
  19 uint32_t get_uvolts_from_vid(uint16_t core_vid);
  20 uint32_t get_pstate_0_reg(void);
  21 uint32_t get_pstate_latency(void);
  22 uint32_t get_pstate_core_freq(union pstate_msr pstate_reg);
  23 uint32_t get_pstate_core_uvolts(union pstate_msr pstate_reg);
  24 const acpi_cstate_t *get_cstate_config_data(size_t *size);
  25
  26 #endif /* AMD_BLOCK_CPU_H */