memory.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <gpio.h>
#include <soc/meminit.h>
#include <variant/gpio.h>
 
static const struct lpddr4_sku skus[] = {
        /*
         * K4F6E304HB-MGCJ - both logical channels While the parts
         * are listed at 16Gb there are 2 ranks per channel so indicate
         * the deneisty as 8Gb per rank.
         */
        [0] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .ch0_dual_rank = 1,
                .ch1_dual_rank = 1,
                .part_num = "K4F6E304HB-MGCJ",
        },
        /* K4F8E304HB-MGCJ - both logical channels  */
        [1] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .part_num = "K4F8E304HB-MGCJ",
        },
        /*
         * MT53B512M32D2NP-062WT:C - both logical channels. While the parts
         * are listed at 16Gb there are 2 ranks per channel so indicate
         * the deneisty as 8Gb per rank.
         */
        [2] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .ch0_dual_rank = 1,
                .ch1_dual_rank = 1,
                .part_num = "MT53B512M32D2NP",
                .disable_periodic_retraining = 1,
        },
        /* MT53B256M32D1NP-062 WT:C - both logical channels */
        [3] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .part_num = "MT53B256M32D1NP",
                .disable_periodic_retraining = 1,
        },
        /*
         * H9HCNNNBPUMLHR-NLE - both logical channels. While the parts
         * are listed at 16Gb there are 2 ranks per channel so indicate the
         * density as 8Gb per rank.
         */
        [4] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .ch0_dual_rank = 1,
                .ch1_dual_rank = 1,
                .part_num = "H9HCNNNBPUMLHR",
        },
        /* H9HCNNN8KUMLHR-NLE - both logical channels */
        [5] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .part_num = "H9HCNNN8KUMLHR",
        },
        /* Samsung 290 K4F6E304HB-MGCH 16Gb dual-ch */
        [0xe] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .ch0_dual_rank = 1,
                .ch1_dual_rank = 1,
                .part_num = "K4F6E304HB-MGCH",
        },
        /* Samsung 280 K4F8E304HB-MGCH 8Gb dual-ch */
        [0xf] = {
                .speed = LP4_SPEED_2400,
                .ch0_rank_density = LP4_8Gb_DENSITY,
                .ch1_rank_density = LP4_8Gb_DENSITY,
                .ch0_dual_rank = 0,
                .ch1_dual_rank = 0,
                .part_num = "K4F8E304HB-MGCH",
        },
};
 
static const struct lpddr4_cfg lp4cfg = {
        .skus = skus,
        .num_skus = ARRAY_SIZE(skus),
        .swizzle_config = &baseboard_lpddr4_swizzle,
};
 
const struct lpddr4_cfg *variant_lpddr4_config(void)
{
        return &lp4cfg;
}