arch/arm/include/asm/arch-vf610/ddrmc-vf610.h

   1 /*
   2  * Copyright (C) 2015
   3  * Toradex, Inc.
   4  *
   5  * Authors: Stefan Agner
   6  *          Sanchayan Maity
   7  *
   8  * SPDX-License-Identifier:     GPL-2.0+
   9  */
  10
  11 #ifndef __ASM_ARCH_VF610_DDRMC_H
  12 #define __ASM_ARCH_VF610_DDRMC_H
  13
  14 struct ddrmc_lvl_info {
  15         u16 wrlvl_reg_en;
  16         u16 wrlvl_dl_0;
  17         u16 wrlvl_dl_1;
  18         u16 rdlvl_gt_reg_en;
  19         u16 rdlvl_gt_dl_0;
  20         u16 rdlvl_gt_dl_1;
  21         u16 rdlvl_reg_en;
  22         u16 rdlvl_dl_0;
  23         u16 rdlvl_dl_1;
  24 };
  25
  26 struct ddr3_jedec_timings {
  27         u8 tinit;
  28         u32 trst_pwron;
  29         u32 cke_inactive;
  30         u8 wrlat;
  31         u8 caslat_lin;
  32         u8 trc;
  33         u8 trrd;
  34         u8 tccd;
  35         u8 tfaw;
  36         u8 trp;
  37         u8 twtr;
  38         u8 tras_min;
  39         u8 tmrd;
  40         u8 trtp;
  41         u32 tras_max;
  42         u8 tmod;
  43         u8 tckesr;
  44         u8 tcke;
  45         u8 trcd_int;
  46         u8 tdal;
  47         u16 tdll;
  48         u8 trp_ab;
  49         u16 tref;
  50         u8 trfc;
  51         u8 tpdex;
  52         u8 txpdll;
  53         u8 txsnr;
  54         u16 txsr;
  55         u8 cksrx;
  56         u8 cksre;
  57         u16 zqcl;
  58         u16 zqinit;
  59         u8 zqcs;
  60         u8 ref_per_zq;
  61         u8 aprebit;
  62         u8 wlmrd;
  63         u8 wldqsen;
  64 };
  65
  66 void ddrmc_setup_iomux(void);
  67 void ddrmc_phy_init(void);
  68 void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
  69                                                   struct ddrmc_lvl_info *lvl,
  70                                                   int col_diff, int row_diff);
  71
  72 #endif