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

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (C) 2015
   4  * Toradex, Inc.
   5  *
   6  * Authors: Stefan Agner
   7  *          Sanchayan Maity
   8  */
   9
  10 #ifndef __ASM_ARCH_VF610_DDRMC_H
  11 #define __ASM_ARCH_VF610_DDRMC_H
  12
  13 #include <asm/arch/iomux-vf610.h>
  14
  15 struct ddr3_jedec_timings {
  16         u8 tinit;
  17         u32 trst_pwron;
  18         u32 cke_inactive;
  19         u8 wrlat;
  20         u8 caslat_lin;
  21         u8 trc;
  22         u8 trrd;
  23         u8 tccd;
  24         u8 tbst_int_interval;
  25         u8 tfaw;
  26         u8 trp;
  27         u8 twtr;
  28         u8 tras_min;
  29         u8 tmrd;
  30         u8 trtp;
  31         u32 tras_max;
  32         u8 tmod;
  33         u8 tckesr;
  34         u8 tcke;
  35         u8 trcd_int;
  36         u8 tras_lockout;
  37         u8 tdal;
  38         u8 bstlen;
  39         u16 tdll;
  40         u8 trp_ab;
  41         u16 tref;
  42         u8 trfc;
  43         u16 tref_int;
  44         u8 tpdex;
  45         u8 txpdll;
  46         u8 txsnr;
  47         u16 txsr;
  48         u8 cksrx;
  49         u8 cksre;
  50         u8 freq_chg_en;
  51         u16 zqcl;
  52         u16 zqinit;
  53         u8 zqcs;
  54         u8 ref_per_zq;
  55         u8 zqcs_rotate;
  56         u8 aprebit;
  57         u8 cmd_age_cnt;
  58         u8 age_cnt;
  59         u8 q_fullness;
  60         u8 odt_rd_mapcs0;
  61         u8 odt_wr_mapcs0;
  62         u8 wlmrd;
  63         u8 wldqsen;
  64 };
  65
  66 struct ddrmc_cr_setting {
  67         u32     setting;
  68         int     cr_rnum; /* CR register ; -1 for last entry */
  69 };
  70
  71 struct ddrmc_phy_setting {
  72         u32     setting;
  73         int     phy_rnum; /* PHY register ; -1 for last entry */
  74 };
  75
  76 void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count);
  77 void ddrmc_phy_init(void);
  78 void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
  79                           struct ddrmc_cr_setting *board_cr_settings,
  80                           struct ddrmc_phy_setting *board_phy_settings,
  81                           int col_diff, int row_diff);
  82
  83 #endif