/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef DEVICE_DRAM_DDR5_H #define DEVICE_DRAM_DDR5_H /** * @file ddr5.h * * \brief Utilities for decoding (LP)DDR5 info */ #include #include /** Maximum SPD size supported */ #define SPD_SIZE_MAX_DDR5 1024 enum ddr5_module_type { DDR5_SPD_RDIMM = 0x01, DDR5_SPD_UDIMM = 0x02, DDR5_SPD_SODIMM = 0x03, DDR5_SPD_LRDIMM = 0x04, DDR5_SPD_MINI_RDIMM = 0x05, DDR5_SPD_MINI_UDIMM = 0x06, DDR5_SPD_72B_SO_UDIMM = 0x08, DDR5_SPD_72B_SO_RDIMM = 0x09, DDR5_SPD_SOLDERED_DOWN = 0x0b, DDR5_SPD_16B_SO_DIMM = 0x0c, DDR5_SPD_32B_SO_RDIMM = 0x0d, DDR5_SPD_1DPC = 0x0e, DDR5_SPD_2DPC = 0x0f, }; /** * Converts DDR5 clock speed in MHz to the standard reported speed in MT/s */ uint16_t ddr5_speed_mhz_to_reported_mts(uint16_t speed_mhz); #endif /* DEVICE_DRAM_DDR5_H */