LXR uboot/board/freescale/ls1046ardb/ddr.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright 2016 Freescale Semiconductor, Inc.
   4 */
   5
   6#ifndef __DDR_H__
   7#define __DDR_H__
   8
   9void erratum_a008850_post(void);
  10
  11struct board_specific_parameters {
  12        u32 n_ranks;
  13        u32 datarate_mhz_high;
  14        u32 rank_gb;
  15        u32 clk_adjust;
  16        u32 wrlvl_start;
  17        u32 wrlvl_ctl_2;
  18        u32 wrlvl_ctl_3;
  19};
  20
  21/*
  22 * These tables contain all valid speeds we want to override with board
  23 * specific parameters. datarate_mhz_high values need to be in ascending order
  24 * for each n_ranks group.
  25 */
  26static const struct board_specific_parameters udimm0[] = {
  27        /*
  28         * memory controller 0
  29         *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
  30         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
  31         */
  32        {2,  1350, 0, 8,     6, 0x0708090B, 0x0C0D0E09,},
  33        {2,  1666, 0, 8,     7, 0x08090A0C, 0x0D0F100B,},
  34        {2,  1900, 0, 8,     7, 0x09090B0D, 0x0E10120B,},
  35        {2,  2300, 0, 8,     7, 0x08090A0E, 0x1011120C,},
  36        {}
  37};
  38
  39static const struct board_specific_parameters *udimms[] = {
  40        udimm0,
  41};
  42
  43static const struct board_specific_parameters rdimm0[] = {
  44        /*
  45         * memory controller 0
  46         *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
  47         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
  48         */
  49        {2,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
  50        {2,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
  51        {2,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
  52        {1,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
  53        {1,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
  54        {1,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
  55        {}
  56};
  57
  58static const struct board_specific_parameters *rdimms[] = {
  59        rdimm0,
  60};
  61
  62#endif
  63