src/mainboard/google/kahlee/variants/baseboard/memory.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <baseboard/variants.h>
   4 #include <console/console.h>
   5 #include <gpio.h>
   6 #include <spd_bin.h>
   7 #include <string.h>
   8 #include <variant/gpio.h>
   9 #include <amdblocks/dimm_spd.h>
  10
  11 uint8_t __weak variant_memory_sku(void)
  12 {
  13         gpio_t pads[] = {
  14                 [3] = MEM_CONFIG3,
  15                 [2] = MEM_CONFIG2,
  16                 [1] = MEM_CONFIG1,
  17                 [0] = MEM_CONFIG0,
  18         };
  19
  20         return gpio_base2_value(pads, ARRAY_SIZE(pads));
  21 }
  22
  23 int __weak variant_mainboard_read_spd(uint8_t spdAddress,
  24                                                         char *buf, size_t len)
  25 {
  26         u8 spd_index = variant_memory_sku();
  27
  28         printk(BIOS_INFO, "%s SPD index %d\n", __func__, spd_index);
  29
  30         void *spd = (void *)spd_cbfs_map(spd_index);
  31         if (!spd) {
  32                 printk(BIOS_ERR, "spd.bin not found\n");
  33                 return -1;
  34         }
  35
  36         if (len != CONFIG_DIMM_SPD_SIZE) {
  37                 printk(BIOS_ERR, "spd.bin is not the correct size\n");
  38                 return -1;
  39         }
  40
  41         memcpy(buf, spd, len);
  42
  43         return 0;
  44 }