ddr.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#ifndef _CPX_DDR_H_
#define _CPX_DDR_H_
 
#include <stdint.h>
 
/* DDR_*_TCK_MIN are in picoseconds */
#define DDR_800_TCK_MIN                 2500
#define DDR_1000_TCK_MIN                2000
#define DDR_1066_TCK_MIN                1875
#define DDR_1200_TCK_MIN                1667
#define DDR_1333_TCK_MIN                1500
#define DDR_1400_TCK_MIN                1429
#define DDR_1600_TCK_MIN                1250
#define DDR_1800_TCK_MIN                1110
#define DDR_1866_TCK_MIN                1071
#define DDR_2000_TCK_MIN                1000
#define DDR_2133_TCK_MIN                938
#define DDR_2200_TCK_MIN                909
#define DDR_2400_TCK_MIN                833
#define DDR_2600_TCK_MIN                769
#define DDR_2666_TCK_MIN                750
#define DDR_2800_TCK_MIN                714
#define DDR_2933_TCK_MIN                682
#define DDR_3000_TCK_MIN                667
#define DDR_3200_TCK_MIN                625
#define DDR_3400_TCK_MIN                589
#define DDR_3466_TCK_MIN                577
#define DDR_3600_TCK_MIN                556
#define DDR_3733_TCK_MIN                536
#define DDR_3800_TCK_MIN                527
#define DDR_4000_TCK_MIN                500
#define DDR_4200_TCK_MIN                477
#define DDR_4266_TCK_MIN                469
#define DDR_4400_TCK_MIN                455
#define DDR_4800_TCK_MIN                417
#define DDR_5200_TCK_MIN                385
#define DDR_5600_TCK_MIN                358
#define DDR_6000_TCK_MIN                334
#define DDR_6400_TCK_MIN                313
#define DDR_6800_TCK_MIN                295
#define DDR_7200_TCK_MIN                278
#define DDR_7600_TCK_MIN                264
#define DDR_8000_TCK_MIN                250
#define DDR_8400_TCK_MIN                239
 
uint16_t get_max_memory_speed(uint32_t commonTck);
uint32_t get_ddr_voltage(uint8_t DdrVoltage);
 
#endif /* _CPX_DDR_H_ */