arch/arm/include/asm/arch-am33xx/ddr_defs.h

   1 /*
   2  * ddr_defs.h
   3  *
   4  * ddr specific header
   5  *
   6  * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #ifndef _DDR_DEFS_H
  20 #define _DDR_DEFS_H
  21
  22 #include <asm/arch/hardware.h>
  23 #include <asm/emif.h>
  24
  25 /* AM335X EMIF Register values */
  26 #define VTP_CTRL_READY          (0x1 << 5)
  27 #define VTP_CTRL_ENABLE         (0x1 << 6)
  28 #define VTP_CTRL_START_EN       (0x1)
  29 #define PHY_DLL_LOCK_DIFF       0x0
  30 #define DDR_CKE_CTRL_NORMAL     0x1
  31 #define PHY_EN_DYN_PWRDN        (0x1 << 20)
  32
  33 /* Micron MT47H128M16RT-25E */
  34 #define MT47H128M16RT25E_EMIF_READ_LATENCY      0x100005
  35 #define MT47H128M16RT25E_EMIF_TIM1              0x0666B3C9
  36 #define MT47H128M16RT25E_EMIF_TIM2              0x243631CA
  37 #define MT47H128M16RT25E_EMIF_TIM3              0x0000033F
  38 #define MT47H128M16RT25E_EMIF_SDCFG             0x41805332
  39 #define MT47H128M16RT25E_EMIF_SDREF             0x0000081a
  40 #define MT47H128M16RT25E_DLL_LOCK_DIFF          0x0
  41 #define MT47H128M16RT25E_RATIO                  0x80
  42 #define MT47H128M16RT25E_INVERT_CLKOUT          0x00
  43 #define MT47H128M16RT25E_RD_DQS                 0x12
  44 #define MT47H128M16RT25E_WR_DQS                 0x00
  45 #define MT47H128M16RT25E_PHY_WRLVL              0x00
  46 #define MT47H128M16RT25E_PHY_GATELVL            0x00
  47 #define MT47H128M16RT25E_PHY_WR_DATA            0x40
  48 #define MT47H128M16RT25E_PHY_FIFO_WE            0x80
  49 #define MT47H128M16RT25E_PHY_RANK0_DELAY                0x1
  50 #define MT47H128M16RT25E_IOCTRL_VALUE           0x18B
  51
  52 /* Micron MT41J128M16JT-125 */
  53 #define MT41J128MJT125_EMIF_READ_LATENCY        0x06
  54 #define MT41J128MJT125_EMIF_TIM1                0x0888A39B
  55 #define MT41J128MJT125_EMIF_TIM2                0x26337FDA
  56 #define MT41J128MJT125_EMIF_TIM3                0x501F830F
  57 #define MT41J128MJT125_EMIF_SDCFG               0x61C04AB2
  58 #define MT41J128MJT125_EMIF_SDREF               0x0000093B
  59 #define MT41J128MJT125_ZQ_CFG                   0x50074BE4
  60 #define MT41J128MJT125_DLL_LOCK_DIFF            0x1
  61 #define MT41J128MJT125_RATIO                    0x40
  62 #define MT41J128MJT125_INVERT_CLKOUT            0x1
  63 #define MT41J128MJT125_RD_DQS                   0x3B
  64 #define MT41J128MJT125_WR_DQS                   0x85
  65 #define MT41J128MJT125_PHY_WR_DATA              0xC1
  66 #define MT41J128MJT125_PHY_FIFO_WE              0x100
  67 #define MT41J128MJT125_IOCTRL_VALUE             0x18B
  68
  69 /* Micron MT41J256M8HX-15E */
  70 #define MT41J256M8HX15E_EMIF_READ_LATENCY       0x06
  71 #define MT41J256M8HX15E_EMIF_TIM1               0x0888A39B
  72 #define MT41J256M8HX15E_EMIF_TIM2               0x26337FDA
  73 #define MT41J256M8HX15E_EMIF_TIM3               0x501F830F
  74 #define MT41J256M8HX15E_EMIF_SDCFG              0x61C04B32
  75 #define MT41J256M8HX15E_EMIF_SDREF              0x0000093B
  76 #define MT41J256M8HX15E_ZQ_CFG                  0x50074BE4
  77 #define MT41J256M8HX15E_DLL_LOCK_DIFF           0x1
  78 #define MT41J256M8HX15E_RATIO                   0x40
  79 #define MT41J256M8HX15E_INVERT_CLKOUT           0x1
  80 #define MT41J256M8HX15E_RD_DQS                  0x3B
  81 #define MT41J256M8HX15E_WR_DQS                  0x85
  82 #define MT41J256M8HX15E_PHY_WR_DATA             0xC1
  83 #define MT41J256M8HX15E_PHY_FIFO_WE             0x100
  84 #define MT41J256M8HX15E_IOCTRL_VALUE            0x18B
  85
  86 /* Micron MT41K256M16HA-125E */
  87 #define MT41K256M16HA125E_EMIF_READ_LATENCY     0x100006
  88 #define MT41K256M16HA125E_EMIF_TIM1             0x0888A39B
  89 #define MT41K256M16HA125E_EMIF_TIM2             0x26517FDA
  90 #define MT41K256M16HA125E_EMIF_TIM3             0x501F84EF
  91 #define MT41K256M16HA125E_EMIF_SDCFG            0x61C04BB2
  92 #define MT41K256M16HA125E_EMIF_SDREF            0x0000093B
  93 #define MT41K256M16HA125E_ZQ_CFG                0x50074BE4
  94 #define MT41K256M16HA125E_DLL_LOCK_DIFF         0x1
  95 #define MT41K256M16HA125E_RATIO                 0x40
  96 #define MT41K256M16HA125E_INVERT_CLKOUT         0x0
  97 #define MT41K256M16HA125E_RD_DQS                0x3C
  98 #define MT41K256M16HA125E_WR_DQS                0x45
  99 #define MT41K256M16HA125E_PHY_WR_DATA           0x7F
 100 #define MT41K256M16HA125E_PHY_FIFO_WE           0x9B
 101 #define MT41K256M16HA125E_IOCTRL_VALUE          0x18B
 102
 103 /* Micron MT41J512M8RH-125 on EVM v1.5 */
 104 #define MT41J512M8RH125_EMIF_READ_LATENCY       0x06
 105 #define MT41J512M8RH125_EMIF_TIM1               0x0888A39B
 106 #define MT41J512M8RH125_EMIF_TIM2               0x26517FDA
 107 #define MT41J512M8RH125_EMIF_TIM3               0x501F84EF
 108 #define MT41J512M8RH125_EMIF_SDCFG              0x61C04BB2
 109 #define MT41J512M8RH125_EMIF_SDREF              0x0000093B
 110 #define MT41J512M8RH125_ZQ_CFG                  0x50074BE4
 111 #define MT41J512M8RH125_DLL_LOCK_DIFF           0x1
 112 #define MT41J512M8RH125_RATIO                   0x80
 113 #define MT41J512M8RH125_INVERT_CLKOUT           0x0
 114 #define MT41J512M8RH125_RD_DQS                  0x3B
 115 #define MT41J512M8RH125_WR_DQS                  0x3C
 116 #define MT41J512M8RH125_PHY_FIFO_WE             0xA5
 117 #define MT41J512M8RH125_PHY_WR_DATA             0x74
 118 #define MT41J512M8RH125_IOCTRL_VALUE            0x18B
 119
 120 /**
 121  * Configure DMM
 122  */
 123 void config_dmm(const struct dmm_lisa_map_regs *regs);
 124
 125 /**
 126  * Configure SDRAM
 127  */
 128 void config_sdram(const struct emif_regs *regs, int nr);
 129
 130 /**
 131  * Set SDRAM timings
 132  */
 133 void set_sdram_timings(const struct emif_regs *regs, int nr);
 134
 135 /**
 136  * Configure DDR PHY
 137  */
 138 void config_ddr_phy(const struct emif_regs *regs, int nr);
 139
 140 struct ddr_cmd_regs {
 141         unsigned int resv0[7];
 142         unsigned int cm0csratio;        /* offset 0x01C */
 143         unsigned int resv1[2];
 144         unsigned int cm0dldiff;         /* offset 0x028 */
 145         unsigned int cm0iclkout;        /* offset 0x02C */
 146         unsigned int resv2[8];
 147         unsigned int cm1csratio;        /* offset 0x050 */
 148         unsigned int resv3[2];
 149         unsigned int cm1dldiff;         /* offset 0x05C */
 150         unsigned int cm1iclkout;        /* offset 0x060 */
 151         unsigned int resv4[8];
 152         unsigned int cm2csratio;        /* offset 0x084 */
 153         unsigned int resv5[2];
 154         unsigned int cm2dldiff;         /* offset 0x090 */
 155         unsigned int cm2iclkout;        /* offset 0x094 */
 156         unsigned int resv6[3];
 157 };
 158
 159 struct ddr_data_regs {
 160         unsigned int dt0rdsratio0;      /* offset 0x0C8 */
 161         unsigned int resv1[4];
 162         unsigned int dt0wdsratio0;      /* offset 0x0DC */
 163         unsigned int resv2[4];
 164         unsigned int dt0wiratio0;       /* offset 0x0F0 */
 165         unsigned int resv3;
 166         unsigned int dt0wimode0;        /* offset 0x0F8 */
 167         unsigned int dt0giratio0;       /* offset 0x0FC */
 168         unsigned int resv4;
 169         unsigned int dt0gimode0;        /* offset 0x104 */
 170         unsigned int dt0fwsratio0;      /* offset 0x108 */
 171         unsigned int resv5[4];
 172         unsigned int dt0dqoffset;       /* offset 0x11C */
 173         unsigned int dt0wrsratio0;      /* offset 0x120 */
 174         unsigned int resv6[4];
 175         unsigned int dt0rdelays0;       /* offset 0x134 */
 176         unsigned int dt0dldiff0;        /* offset 0x138 */
 177         unsigned int resv7[12];
 178 };
 179
 180 /**
 181  * This structure represents the DDR registers on AM33XX devices.
 182  * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that
 183  * correspond to DATA1 registers defined here.
 184  */
 185 struct ddr_regs {
 186         unsigned int resv0[7];
 187         unsigned int cm0csratio;        /* offset 0x01C */
 188         unsigned int resv1[2];
 189         unsigned int cm0dldiff;         /* offset 0x028 */
 190         unsigned int cm0iclkout;        /* offset 0x02C */
 191         unsigned int resv2[8];
 192         unsigned int cm1csratio;        /* offset 0x050 */
 193         unsigned int resv3[2];
 194         unsigned int cm1dldiff;         /* offset 0x05C */
 195         unsigned int cm1iclkout;        /* offset 0x060 */
 196         unsigned int resv4[8];
 197         unsigned int cm2csratio;        /* offset 0x084 */
 198         unsigned int resv5[2];
 199         unsigned int cm2dldiff;         /* offset 0x090 */
 200         unsigned int cm2iclkout;        /* offset 0x094 */
 201         unsigned int resv6[12];
 202         unsigned int dt0rdsratio0;      /* offset 0x0C8 */
 203         unsigned int resv7[4];
 204         unsigned int dt0wdsratio0;      /* offset 0x0DC */
 205         unsigned int resv8[4];
 206         unsigned int dt0wiratio0;       /* offset 0x0F0 */
 207         unsigned int resv9;
 208         unsigned int dt0wimode0;        /* offset 0x0F8 */
 209         unsigned int dt0giratio0;       /* offset 0x0FC */
 210         unsigned int resv10;
 211         unsigned int dt0gimode0;        /* offset 0x104 */
 212         unsigned int dt0fwsratio0;      /* offset 0x108 */
 213         unsigned int resv11[4];
 214         unsigned int dt0dqoffset;       /* offset 0x11C */
 215         unsigned int dt0wrsratio0;      /* offset 0x120 */
 216         unsigned int resv12[4];
 217         unsigned int dt0rdelays0;       /* offset 0x134 */
 218         unsigned int dt0dldiff0;        /* offset 0x138 */
 219 };
 220
 221 /**
 222  * Encapsulates DDR CMD control registers.
 223  */
 224 struct cmd_control {
 225         unsigned long cmd0csratio;
 226         unsigned long cmd0csforce;
 227         unsigned long cmd0csdelay;
 228         unsigned long cmd0dldiff;
 229         unsigned long cmd0iclkout;
 230         unsigned long cmd1csratio;
 231         unsigned long cmd1csforce;
 232         unsigned long cmd1csdelay;
 233         unsigned long cmd1dldiff;
 234         unsigned long cmd1iclkout;
 235         unsigned long cmd2csratio;
 236         unsigned long cmd2csforce;
 237         unsigned long cmd2csdelay;
 238         unsigned long cmd2dldiff;
 239         unsigned long cmd2iclkout;
 240 };
 241
 242 /**
 243  * Encapsulates DDR DATA registers.
 244  */
 245 struct ddr_data {
 246         unsigned long datardsratio0;
 247         unsigned long datawdsratio0;
 248         unsigned long datawiratio0;
 249         unsigned long datagiratio0;
 250         unsigned long datafwsratio0;
 251         unsigned long datawrsratio0;
 252         unsigned long datauserank0delay;
 253         unsigned long datadldiff0;
 254 };
 255
 256 /**
 257  * Configure DDR CMD control registers
 258  */
 259 void config_cmd_ctrl(const struct cmd_control *cmd, int nr);
 260
 261 /**
 262  * Configure DDR DATA registers
 263  */
 264 void config_ddr_data(const struct ddr_data *data, int nr);
 265
 266 /**
 267  * This structure represents the DDR io control on AM33XX devices.
 268  */
 269 struct ddr_cmdtctrl {
 270         unsigned int resv1[1];
 271         unsigned int cm0ioctl;
 272         unsigned int cm1ioctl;
 273         unsigned int cm2ioctl;
 274         unsigned int resv2[12];
 275         unsigned int dt0ioctl;
 276         unsigned int dt1ioctl;
 277 };
 278
 279 /**
 280  * Configure DDR io control registers
 281  */
 282 void config_io_ctrl(unsigned long val);
 283
 284 struct ddr_ctrl {
 285         unsigned int ddrioctrl;
 286         unsigned int resv1[325];
 287         unsigned int ddrckectrl;
 288 };
 289
 290 void config_ddr(unsigned int pll, unsigned int ioctrl,
 291                 const struct ddr_data *data, const struct cmd_control *ctrl,
 292                 const struct emif_regs *regs, int nr);
 293
 294 #endif  /* _DDR_DEFS_H */