sdram_configs.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <boardid.h>
#include <cbfs.h>
#include <console/console.h>
#include <soc/emi.h>
 
/*
 * The RAM_CODE ADC on Kukui can support only 12 different levels. Each model
 * can create its own mapping if needed, with an offset (0x10, 0x20, ...,
 * defined as CONFIG_BOARD_SDRAM_TABLE_OFFSET) applied in ram_code().
 */
static const char *const sdram_configs[] = {
        /* Standard table. */
        [0x00] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
        [0x01] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x02] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x03] = "sdram-lpddr4x-KMDH6001DA-B422-4GB",
        [0x04] = "sdram-lpddr4x-KMDP6001DA-B425-4GB",
        [0x05] = "sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB",
        [0x06] = "sdram-lpddr4x-KMDV6001DA-B620-4GB",
        [0x07] = "sdram-lpddr4x-SDADA4CR-128G-4GB",
        [0x08] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x09] = "sdram-lpddr4x-MT53E2G32D4NQ-046-8GB",
        [0x0a] = "sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB",
        [0x0b] = "sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB",
 
        /* Table shared by Burnet and its variants, Fennel and Cerise, offset = 0x10 */
        [0x10] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
        [0x11] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x12] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x13] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x14] = "sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB",
        [0x15] = "sdram-lpddr4x-H9HCNNNFAMMLXR-NEE-8GB",
        [0x16] = "sdram-lpddr4x-MT53E2G32D4NQ-046-8GB",
        [0x17] = "sdram-lpddr4x-MT53E1G32D2NP-046-4GB",
        [0x18] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x19] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x1a] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x1b] = "sdram-lpddr4x-H9HCNNNFAMMLXR-NEE-8GB",
 
        /* Table shared by Kakadu and its variants, offset = 0x20 */
        [0x20] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
        [0x21] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x22] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x23] = "sdram-lpddr4x-KMDH6001DA-B422-4GB",
        [0x24] = "sdram-lpddr4x-KMDP6001DA-B425-4GB",
        [0x25] = "sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB",
        [0x26] = "sdram-lpddr4x-KMDV6001DA-B620-4GB",
        [0x27] = "sdram-lpddr4x-SDADA4CR-128G-4GB",
        [0x28] = "sdram-lpddr4x-MT29VZZZCD9GQKPR-046-8GB",
        [0x29] = "sdram-lpddr4x-FEPRF6432-58A1930-4GB",
 
        /* Table shared by Cozmo and its variants, offset = 0x30 */
        [0x30] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
        [0x31] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x32] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x38] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x39] = "sdram-lpddr4x-MT53E2G32D4NQ-046-8GB",
        [0x3a] = "sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB",
        [0x3b] = "sdram-lpddr4x-H9HCNNNFAMMLXR-NEE-8GB",
 
        /* Table shared by Kappa and its variants, offset = 0x40 */
        [0x40] = "sdram-lpddr4x-K4UBE3D4AA-MGCR-4GB",
        [0x41] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x42] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x43] = "sdram-lpddr4x-MT53E1G32D2NP-046-4GB",
        [0x44] = "sdram-lpddr4x-MT53E1G32D4NQ-4GB",
        [0x45] = "sdram-lpddr4x-H9HCNNNCPMALHR-4GB",
        [0x46] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x48] = "sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB",
        [0x49] = "sdram-lpddr4x-MT53E2G32D4NQ-046-8GB",
        [0x4a] = "sdram-lpddr4x-H9HCNNNCPMMLXR-NEE-4GB",
        [0x4b] = "sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB",
};
 
static struct sdram_params params;
 
const struct sdram_params *get_sdram_config(void)
{
        uint32_t ramcode = ram_code();
        const char *name = NULL;
 
        if (ramcode < ARRAY_SIZE(sdram_configs))
                name = sdram_configs[ramcode];
 
        if (!name || cbfs_load(name, &params, sizeof(params)) != sizeof(params))
                die("Cannot load SDRAM parameter file for RAM code %#02x: %s!",
                    ramcode, name ? name : "unknown");
 
        return &params;
}