mem_chip_info.h

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/* SPDX-License-Identifier: BSD-3-Clause */
 
#ifndef _COMMONLIB_BSD_MEM_CHIP_INFO_H_
#define _COMMONLIB_BSD_MEM_CHIP_INFO_H_
 
#include <stddef.h>
 
enum mem_chip_type {
        MEM_CHIP_DDR3 = 0x30,
        MEM_CHIP_LPDDR3 = 0x38,
        MEM_CHIP_DDR4 = 0x40,
        MEM_CHIP_LPDDR4 = 0x48,
        MEM_CHIP_LPDDR4X = 0x49,
};
 
struct mem_chip_info {
        uint8_t type;  /* enum mem_chip_type */
        uint8_t num_channels;
        uint8_t reserved[6];
        struct mem_chip_channel {
                uint64_t density;
                uint8_t io_width;
                uint8_t manufacturer_id;
                uint8_t revision_id[2];
                uint8_t reserved[4];
                uint8_t serial_id[8]; /* LPDDR5 only */
        } channel[0];
};
 
static inline size_t mem_chip_info_size(struct mem_chip_info *info)
{
        return sizeof(*info) + sizeof(info->channel[0]) * info->num_channels;
};
 
#endif /* _COMMONLIB_BSD_MEM_CHIP_INFO_H_ */