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 ddr3_jedec_timings {
  15         u8 tinit;
  16         u32 trst_pwron;
  17         u32 cke_inactive;
  18         u8 wrlat;
  19         u8 caslat_lin;
  20         u8 trc;
  21         u8 trrd;
  22         u8 tccd;
  23         u8 tbst_int_interval;
  24         u8 tfaw;
  25         u8 trp;
  26         u8 twtr;
  27         u8 tras_min;
  28         u8 tmrd;
  29         u8 trtp;
  30         u32 tras_max;
  31         u8 tmod;
  32         u8 tckesr;
  33         u8 tcke;
  34         u8 trcd_int;
  35         u8 tras_lockout;
  36         u8 tdal;
  37         u8 bstlen;
  38         u16 tdll;
  39         u8 trp_ab;
  40         u16 tref;
  41         u8 trfc;
  42         u16 tref_int;
  43         u8 tpdex;
  44         u8 txpdll;
  45         u8 txsnr;
  46         u16 txsr;
  47         u8 cksrx;
  48         u8 cksre;
  49         u8 freq_chg_en;
  50         u16 zqcl;
  51         u16 zqinit;
  52         u8 zqcs;
  53         u8 ref_per_zq;
  54         u8 zqcs_rotate;
  55         u8 aprebit;
  56         u8 cmd_age_cnt;
  57         u8 age_cnt;
  58         u8 q_fullness;
  59         u8 odt_rd_mapcs0;
  60         u8 odt_wr_mapcs0;
  61         u8 wlmrd;
  62         u8 wldqsen;
  63 };
  64
  65 struct ddrmc_cr_setting {
  66         u32     setting;
  67         int     cr_rnum; /* CR register ; -1 for last entry */
  68 };
  69
  70 struct ddrmc_phy_setting {
  71         u32     setting;
  72         int     phy_rnum; /* PHY register ; -1 for last entry */
  73 };
  74
  75 void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count);
  76 void ddrmc_phy_init(void);
  77 void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
  78                           struct ddrmc_cr_setting *board_cr_settings,
  79                           struct ddrmc_phy_setting *board_phy_settings,
  80                           int col_diff, int row_diff);
  81
  82 #endif