src/mainboard/google/volteer/variants/eldrid/memory.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <baseboard/gpio.h>
   4 #include <baseboard/variants.h>
   5 #include <gpio.h>
   6
   7 /*This mb_ddr4_cfg structure is intentionally left empty so that fields are left nil. */
   8 static const struct mb_ddr4_cfg eldrid_memcfg = {
   9 };
  10
  11 static const struct ddr_memory_cfg baseboard_memcfg = {
  12         .mem_type = MEMTYPE_DDR4,
  13         .ddr4_cfg = &eldrid_memcfg
  14 };
  15
  16 const struct ddr_memory_cfg *variant_memory_params(void)
  17 {
  18         return &baseboard_memcfg;
  19 }
  20
  21 int variant_memory_sku(void)
  22 {
  23         gpio_t spd_gpios[] = {
  24                 GPIO_MEM_CONFIG_3,
  25                 GPIO_MEM_CONFIG_2,
  26                 GPIO_MEM_CONFIG_1,
  27                 GPIO_MEM_CONFIG_0,
  28         };
  29
  30         return gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios));
  31 }