src/mainboard/intel/kblrvp/spd/spd_util.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <stdint.h>
   4 #include <string.h>
   5
   6 #include "../board_id.h"
   7 #include "spd.h"
   8
   9 void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1)
  10 {
  11         /* DQ byte map */
  12         const u8 dq_map[2][12] = {
  13                   { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
  14                     0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
  15                   { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
  16                     0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
  17         memcpy(dq_map_ch0, dq_map[0], sizeof(dq_map[0]));
  18         memcpy(dq_map_ch1, dq_map[1], sizeof(dq_map[1]));
  19 }
  20
  21 void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1)
  22 {
  23         /* DQS CPU<>DRAM map */
  24         const u8 dqs_map[2][8] = {
  25                 { 0, 1, 3, 2, 4, 5, 6, 7 },
  26                 { 1, 0, 4, 5, 2, 3, 6, 7 } };
  27         memcpy(dqs_map_ch0, dqs_map[0], sizeof(dqs_map[0]));
  28         memcpy(dqs_map_ch1, dqs_map[1], sizeof(dqs_map[1]));
  29 }
  30
  31 void mainboard_fill_rcomp_res_data(void *rcomp_ptr)
  32 {
  33         /* Rcomp resistor */
  34         const u16 RcompResistor[3] = { 200, 81, 162 };
  35         memcpy(rcomp_ptr, RcompResistor,
  36                  sizeof(RcompResistor));
  37 }
  38
  39 void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr)
  40 {
  41         /* Rcomp target */
  42         static const u16 RcompTarget[5] = { 100, 40, 40, 23, 40 };
  43
  44         memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget));
  45 }