LXR uboot/board/freescale/ls1088a/ddr.h

   1/*
   2 * Copyright 2017 NXP
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#ifndef __LS1088A_DDR_H__
   8#define __LS1088A_DDR_H__
   9struct board_specific_parameters {
  10        u32 n_ranks;
  11        u32 datarate_mhz_high;
  12        u32 rank_gb;
  13        u32 clk_adjust;
  14        u32 wrlvl_start;
  15        u32 wrlvl_ctl_2;
  16        u32 wrlvl_ctl_3;
  17};
  18
  19/*
  20 * These tables contain all valid speeds we want to override with board
  21 * specific parameters. datarate_mhz_high values need to be in ascending order
  22 * for each n_ranks group.
  23 */
  24
  25static const struct board_specific_parameters udimm0[] = {
  26        /*
  27         * memory controller 0
  28         *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
  29         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
  30         */
  31#if defined(CONFIG_TARGET_LS1088ARDB)
  32
  33        {2,  1666, 0, 8,     8, 0x090A0B0E, 0x0F10110D,},
  34        {2,  1900, 0, 4,     7, 0x09090B0D, 0x0E10120B,},
  35        {2,  2300, 0, 8,     9, 0x0A0C0E11, 0x1214160F,},
  36        {}
  37#elif defined(CONFIG_TARGET_LS1088AQDS)
  38        {2,  1666, 0, 8,     8, 0x0A0A0C0E, 0x0F10110C,},
  39        {2,  1900, 0, 4,     7, 0x09090B0D, 0x0E10120B,},
  40        {2,  2300, 0, 4,     9, 0x0A0C0D11, 0x1214150E,},
  41        {}
  42
  43#endif
  44};
  45
  46static const struct board_specific_parameters *udimms[] = {
  47        udimm0,
  48};
  49#endif
  50