src/mainboard/intel/kunimitsu/spd/spd.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef MAINBOARD_SPD_H
   4
   5 #include <fsp/soc_binding.h>
   6 #include <gpio.h>
   7 #include "../gpio.h"
   8
   9 #define MAINBOARD_SPD_H
  10
  11 #define SPD_LEN                 256
  12
  13 #define SPD_DRAM_TYPE           2
  14 #define  SPD_DRAM_DDR3          0x0b
  15 #define  SPD_DRAM_LPDDR3        0xf1
  16 #define SPD_DENSITY_BANKS       4
  17 #define SPD_ADDRESSING          5
  18 #define SPD_ORGANIZATION        7
  19 #define SPD_BUS_DEV_WIDTH       8
  20 #define SPD_PART_OFF            128
  21 #define  SPD_PART_LEN           18
  22 #define SPD_MANU_OFF            148
  23
  24 #define HYNIX_SINGLE_CHAN       0x1
  25 #define SAMSUNG_SINGLE_CHAN     0x4
  26 #define MIC_SINGLE_CHAN         0x5
  27
  28 /* PCH_MEM_CFG[3:0] */
  29 #define MAX_MEMORY_CONFIG       0x10
  30 #define K4E6E304EE_MEM_ID       0x3
  31
  32 static inline int get_spd_index(void) {
  33         /* PCH_MEM_CFG[3:0] */
  34         gpio_t spd_gpios[] = {
  35                 GPIO_MEM_CONFIG_0,
  36                 GPIO_MEM_CONFIG_1,
  37                 GPIO_MEM_CONFIG_2,
  38                 GPIO_MEM_CONFIG_3,
  39         };
  40         return (gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)));
  41 }
  42 void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1);
  43 void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1);
  44 void mainboard_fill_rcomp_res_data(void *rcomp_ptr);
  45 void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr);
  46 uintptr_t mainboard_get_spd_data(void);
  47 int mainboard_has_dual_channel_mem(void);
  48 #endif