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

   1/*
   2 * Copyright 2016 Freescale Semiconductor, Inc.
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#ifndef __DDR_H__
   8#define __DDR_H__
   9
  10void erratum_a008850_post(void);
  11
  12struct board_specific_parameters {
  13        u32 n_ranks;
  14        u32 datarate_mhz_high;
  15        u32 rank_gb;
  16        u32 clk_adjust;
  17        u32 wrlvl_start;
  18        u32 wrlvl_ctl_2;
  19        u32 wrlvl_ctl_3;
  20};
  21
  22/*
  23 * These tables contain all valid speeds we want to override with board
  24 * specific parameters. datarate_mhz_high values need to be in ascending order
  25 * for each n_ranks group.
  26 */
  27static const struct board_specific_parameters udimm0[] = {
  28        /*
  29         * memory controller 0
  30         *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
  31         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
  32         */
  33        {2,  1350, 0, 8,     6, 0x0708090B, 0x0C0D0E09,},
  34        {2,  1666, 0, 8,     7, 0x08090A0C, 0x0D0F100B,},
  35        {2,  1900, 0, 8,     7, 0x09090B0D, 0x0E10120B,},
  36        {2,  2300, 0, 8,     9, 0x0A0B0C10, 0x1213140E,},
  37        {}
  38};
  39
  40static const struct board_specific_parameters *udimms[] = {
  41        udimm0,
  42};
  43
  44static const struct board_specific_parameters rdimm0[] = {
  45        /*
  46         * memory controller 0
  47         *   num|  hi| rank|  clk| wrlvl |   wrlvl   |  wrlvl
  48         * ranks| mhz| GB  |adjst| start |   ctl2    |  ctl3
  49         */
  50        {2,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
  51        {2,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
  52        {2,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
  53        {1,  1666, 0, 0x8,     0x0D, 0x0C0B0A08, 0x0A0B0C08,},
  54        {1,  1900, 0, 0x8,     0x0E, 0x0D0C0B09, 0x0B0C0D09,},
  55        {1,  2300, 0, 0xa,     0x12, 0x100F0D0C, 0x0E0F100C,},
  56        {}
  57};
  58
  59static const struct board_specific_parameters *rdimms[] = {
  60        rdimm0,
  61};
  62
  63#endif
  64