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

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2014 Google Inc.
   5  * Copyright (C) 2015 Intel Corporation.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  */
  16
  17 #ifndef MAINBOARD_SPD_H
  18
  19 #include <fsp/soc_binding.h>
  20 #include <gpio.h>
  21 #include "../gpio.h"
  22
  23 #define MAINBOARD_SPD_H
  24
  25 #define SPD_LEN                 256
  26
  27 #define SPD_DRAM_TYPE           2
  28 #define  SPD_DRAM_DDR3          0x0b
  29 #define  SPD_DRAM_LPDDR3        0xf1
  30 #define SPD_DENSITY_BANKS       4
  31 #define SPD_ADDRESSING          5
  32 #define SPD_ORGANIZATION        7
  33 #define SPD_BUS_DEV_WIDTH       8
  34 #define SPD_PART_OFF            128
  35 #define  SPD_PART_LEN           18
  36 #define SPD_MANU_OFF            148
  37
  38 #define HYNIX_SINGLE_CHAN       0x1
  39 #define SAMSUNG_SINGLE_CHAN     0x4
  40 #define MIC_SINGLE_CHAN         0x5
  41
  42 /* PCH_MEM_CFG[3:0] */
  43 #define MAX_MEMORY_CONFIG       0x10
  44 #define K4E6E304EE_MEM_ID       0x3
  45
  46 static inline int get_spd_index(void) {
  47         /* PCH_MEM_CFG[3:0] */
  48         gpio_t spd_gpios[] = {
  49                 GPIO_MEM_CONFIG_0,
  50                 GPIO_MEM_CONFIG_1,
  51                 GPIO_MEM_CONFIG_2,
  52                 GPIO_MEM_CONFIG_3,
  53         };
  54         return (gpio_base2_value(spd_gpios, ARRAY_SIZE(spd_gpios)));
  55 }
  56 void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1);
  57 void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1);
  58 void mainboard_fill_rcomp_res_data(void *rcomp_ptr);
  59 void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr);
  60 uintptr_t mainboard_get_spd_data(void);
  61 int mainboard_has_dual_channel_mem(void);
  62 #endif