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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _SOC_PATTRS_H_
#define _SOC_PATTRS_H_
#include <stdint.h>
#include <cpu/x86/msr.h>
enum {
IACORE_MIN,
IACORE_LFM,
IACORE_MAX,
IACORE_TURBO,
IACORE_END
};
/*
* The pattrs structure is a common place to stash pertinent information
* about the processor or platform. Instead of going to the source (msrs, cpuid)
* every time an attribute is needed use the pattrs structure.
*/
struct pattrs {
msr_t platform_id;
msr_t platform_info;
int iacore_ratios[IACORE_END];
int iacore_vids[IACORE_END];
uint32_t cpuid;
int revid;
int stepping;
const void *microcode_patch;
int address_bits;
int num_cpus;
unsigned int bclk_khz;
};
/*
* This is just to hide the abstraction w/o relying on how the underlying
* storage is allocated.
*/
extern struct pattrs __global_pattrs;
static inline const struct pattrs *pattrs_get(void)
{
return &__global_pattrs;
}
#endif /* _SOC_PATTRS_H_ */
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