cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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icst.h (1560B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved.
      4 *
      5 *  Support functions for calculating clocks/divisors for the ICST
      6 *  clock generators.  See https://www.idt.com/ for more information
      7 *  on these devices.
      8 */
      9#ifndef ICST_H
     10#define ICST_H
     11
     12struct icst_params {
     13	unsigned long	ref;
     14	unsigned long	vco_max;	/* inclusive */
     15	unsigned long	vco_min;	/* exclusive */
     16	unsigned short	vd_min;		/* inclusive */
     17	unsigned short	vd_max;		/* inclusive */
     18	unsigned char	rd_min;		/* inclusive */
     19	unsigned char	rd_max;		/* inclusive */
     20	const unsigned char *s2div;	/* chip specific s2div array */
     21	const unsigned char *idx2s;	/* chip specific idx2s array */
     22};
     23
     24struct icst_vco {
     25	unsigned short	v;
     26	unsigned char	r;
     27	unsigned char	s;
     28};
     29
     30unsigned long icst_hz(const struct icst_params *p, struct icst_vco vco);
     31struct icst_vco icst_hz_to_vco(const struct icst_params *p, unsigned long freq);
     32
     33/*
     34 * ICST307 VCO frequency must be between 6MHz and 200MHz (3.3 or 5V).
     35 * This frequency is pre-output divider.
     36 */
     37#define ICST307_VCO_MIN	6000000
     38#define ICST307_VCO_MAX	200000000
     39
     40extern const unsigned char icst307_s2div[];
     41extern const unsigned char icst307_idx2s[];
     42
     43/*
     44 * ICST525 VCO frequency must be between 10MHz and 200MHz (3V) or 320MHz (5V).
     45 * This frequency is pre-output divider.
     46 */
     47#define ICST525_VCO_MIN		10000000
     48#define ICST525_VCO_MAX_3V	200000000
     49#define ICST525_VCO_MAX_5V	320000000
     50
     51extern const unsigned char icst525_s2div[];
     52extern const unsigned char icst525_idx2s[];
     53
     54#endif