src/mainboard/google/asurada/sdram_configs.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <boardid.h>
   4 #include <cbfs.h>
   5 #include <console/console.h>
   6 #include <soc/dramc_param.h>
   7
   8 /* Reference: go/asurada-id */
   9 static const char *const sdram_configs[] = {
  10         /* Group 0x0: eMCP 4GB dual rank (with exceptions). */
  11         [0x00] = "sdram-lpddr4x-MT29VZZZBD9DQKPR-046-6GB",  /* 6GB */
  12         [0x01] = "sdram-lpddr4x-MT29VZZZAD8GQFSL-046-4GB",  /* single rank */
  13         [0x02] = "sdram-lpddr4x-KMDP6001DA-B425-4GB",
  14         [0x03] = "sdram-lpddr4x-KMDV6001DA-B620-4GB",
  15         [0x04] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  16         [0x05] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  17         [0x06] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  18         [0x07] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  19         [0x08] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  20         [0x09] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  21         [0x0a] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  22         [0x0b] = "sdram-lpddr4x-EMCP-2RANK-4GB",
  23
  24         /* Group 0x1, 0x2, 0x3 are reserved for eMCP. */
  25
  26         /* Group 0x4: discrete 4GB single rank. */
  27         [0x40] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  28         [0x41] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  29         [0x42] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  30         [0x43] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  31         [0x44] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  32         [0x45] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  33         [0x46] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  34         [0x47] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  35         [0x48] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  36         [0x49] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  37         [0x4a] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  38         [0x4b] = "sdram-lpddr4x-DISCRETE-1RANK-4GB",
  39
  40         /* Group 0x5: discrete 4GB dual rank. */
  41         [0x50] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  42         [0x51] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  43         [0x52] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  44         [0x53] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  45         [0x54] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  46         [0x55] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  47         [0x56] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  48         [0x57] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  49         [0x58] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  50         [0x59] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  51         [0x5a] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  52         [0x5b] = "sdram-lpddr4x-DISCRETE-2RANK-4GB",
  53
  54         /* Group 0x6: discrete 8GB dual rank, normal mode */
  55         [0x60] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  56         [0x61] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  57         [0x62] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  58         [0x63] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  59         [0x64] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  60         [0x65] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  61         [0x66] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  62         [0x67] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  63         [0x68] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  64         [0x69] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  65         [0x6a] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  66         [0x6b] = "sdram-lpddr4x-DISCRETE-2RANK-8GB",
  67
  68         /* Group 0x7: discrete 8GB dual rank, byte mode. */
  69         [0x70] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  70         [0x71] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  71         [0x72] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  72         [0x73] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  73         [0x74] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  74         [0x75] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  75         [0x76] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  76         [0x77] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  77         [0x78] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  78         [0x79] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  79         [0x7a] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  80         [0x7b] = "sdram-lpddr4x-DISCRETE-2RANK-8GB-BYTE-MODE",
  81 };
  82
  83 static struct sdram_info params;
  84
  85 const struct sdram_info *get_sdram_config(void)
  86 {
  87         uint32_t ramcode = ram_code();
  88
  89         if (ramcode >= ARRAY_SIZE(sdram_configs) ||
  90             cbfs_load(sdram_configs[ramcode], &params, sizeof(params)) != sizeof(params))
  91                 die("Cannot load SDRAM parameter file for RAM code: %#x", ramcode);
  92
  93         return &params;
  94 }