include/asm-blackfin/mach-bf561/mem_init.h

   1 /*
   2  * File:         include/asm-blackfin/mach-bf561/mem_init.h
   3  * Based on:
   4  * Author:
   5  *
   6  * Created:
   7  * Description:
   8  *
   9  * Rev:
  10  *
  11  * Modified:
  12  *
  13  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
  14  *
  15  * This program is free software; you can redistribute it and/or modify
  16  * it under the terms of the GNU General Public License as published by
  17  * the Free Software Foundation; either version 2, or (at your option)
  18  * any later version.
  19  *
  20  * This program is distributed in the hope that it will be useful,
  21  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  * GNU General Public License for more details.
  24  *
  25  * You should have received a copy of the GNU General Public License
  26  * along with this program; see the file COPYING.
  27  * If not, write to the Free Software Foundation,
  28  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  29  */
  30
  31 #if (CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E || CONFIG_MEM_GENERIC_BOARD || CONFIG_MEM_MT48LC8M32B2B5_7)
  32 #if (CONFIG_SCLK_HZ > 119402985)
  33 #define SDRAM_tRP       TRP_2
  34 #define SDRAM_tRP_num   2
  35 #define SDRAM_tRAS      TRAS_7
  36 #define SDRAM_tRAS_num  7
  37 #define SDRAM_tRCD      TRCD_2
  38 #define SDRAM_tWR       TWR_2
  39 #endif
  40 #if (CONFIG_SCLK_HZ > 104477612) && (CONFIG_SCLK_HZ <= 119402985)
  41 #define SDRAM_tRP       TRP_2
  42 #define SDRAM_tRP_num   2
  43 #define SDRAM_tRAS      TRAS_6
  44 #define SDRAM_tRAS_num  6
  45 #define SDRAM_tRCD      TRCD_2
  46 #define SDRAM_tWR       TWR_2
  47 #endif
  48 #if (CONFIG_SCLK_HZ > 89552239) && (CONFIG_SCLK_HZ <= 104477612)
  49 #define SDRAM_tRP       TRP_2
  50 #define SDRAM_tRP_num   2
  51 #define SDRAM_tRAS      TRAS_5
  52 #define SDRAM_tRAS_num  5
  53 #define SDRAM_tRCD      TRCD_2
  54 #define SDRAM_tWR       TWR_2
  55 #endif
  56 #if (CONFIG_SCLK_HZ > 74626866) && (CONFIG_SCLK_HZ <= 89552239)
  57 #define SDRAM_tRP       TRP_2
  58 #define SDRAM_tRP_num   2
  59 #define SDRAM_tRAS      TRAS_4
  60 #define SDRAM_tRAS_num  4
  61 #define SDRAM_tRCD      TRCD_2
  62 #define SDRAM_tWR       TWR_2
  63 #endif
  64 #if (CONFIG_SCLK_HZ > 66666667) && (CONFIG_SCLK_HZ <= 74626866)
  65 #define SDRAM_tRP       TRP_2
  66 #define SDRAM_tRP_num   2
  67 #define SDRAM_tRAS      TRAS_3
  68 #define SDRAM_tRAS_num  3
  69 #define SDRAM_tRCD      TRCD_2
  70 #define SDRAM_tWR       TWR_2
  71 #endif
  72 #if (CONFIG_SCLK_HZ > 59701493) && (CONFIG_SCLK_HZ <= 66666667)
  73 #define SDRAM_tRP       TRP_1
  74 #define SDRAM_tRP_num   1
  75 #define SDRAM_tRAS      TRAS_4
  76 #define SDRAM_tRAS_num  3
  77 #define SDRAM_tRCD      TRCD_1
  78 #define SDRAM_tWR       TWR_2
  79 #endif
  80 #if (CONFIG_SCLK_HZ > 44776119) && (CONFIG_SCLK_HZ <= 59701493)
  81 #define SDRAM_tRP       TRP_1
  82 #define SDRAM_tRP_num   1
  83 #define SDRAM_tRAS      TRAS_3
  84 #define SDRAM_tRAS_num  3
  85 #define SDRAM_tRCD      TRCD_1
  86 #define SDRAM_tWR       TWR_2
  87 #endif
  88 #if (CONFIG_SCLK_HZ > 29850746) && (CONFIG_SCLK_HZ <= 44776119)
  89 #define SDRAM_tRP       TRP_1
  90 #define SDRAM_tRP_num   1
  91 #define SDRAM_tRAS      TRAS_2
  92 #define SDRAM_tRAS_num  2
  93 #define SDRAM_tRCD      TRCD_1
  94 #define SDRAM_tWR       TWR_2
  95 #endif
  96 #if (CONFIG_SCLK_HZ <= 29850746)
  97 #define SDRAM_tRP       TRP_1
  98 #define SDRAM_tRP_num   1
  99 #define SDRAM_tRAS      TRAS_1
 100 #define SDRAM_tRAS_num  1
 101 #define SDRAM_tRCD      TRCD_1
 102 #define SDRAM_tWR       TWR_2
 103 #endif
 104 #endif
 105
 106 #if (CONFIG_MEM_MT48LC16M16A2TG_75)
 107   /*SDRAM INFORMATION: */
 108 #define SDRAM_Tref  64          /* Refresh period in milliseconds   */
 109 #define SDRAM_NRA   8192        /* Number of row addresses in SDRAM */
 110 #define SDRAM_CL    CL_3
 111 #endif
 112
 113 #if (CONFIG_MEM_MT48LC64M4A2FB_7E)
 114   /*SDRAM INFORMATION: */
 115 #define SDRAM_Tref  64          /* Refresh period in milliseconds   */
 116 #define SDRAM_NRA   8192        /* Number of row addresses in SDRAM */
 117 #define SDRAM_CL    CL_3
 118 #endif
 119
 120 #if (CONFIG_MEM_MT48LC8M32B2B5_7)
 121   /*SDRAM INFORMATION: */
 122 #define SDRAM_Tref  64          /* Refresh period in milliseconds   */
 123 #define SDRAM_NRA   4096        /* Number of row addresses in SDRAM */
 124 #define SDRAM_CL    CL_3
 125 #endif
 126
 127 #if (CONFIG_MEM_GENERIC_BOARD)
 128   /*SDRAM INFORMATION: Modify this for your board */
 129 #define SDRAM_Tref  64          /* Refresh period in milliseconds   */
 130 #define SDRAM_NRA   8192        /* Number of row addresses in SDRAM */
 131 #define SDRAM_CL    CL_3
 132 #endif
 133
 134 /* Equation from section 17 (p17-46) of BF533 HRM */
 135 #define mem_SDRRC       (((CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num)
 136
 137 /* Enable SCLK Out */
 138 #define mem_SDGCTL        (SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS)
 139
 140 #if defined CONFIG_CLKIN_HALF
 141 #define CLKIN_HALF       1
 142 #else
 143 #define CLKIN_HALF       0
 144 #endif
 145
 146 #if defined CONFIG_PLL_BYPASS
 147 #define PLL_BYPASS      1
 148 #else
 149 #define PLL_BYPASS       0
 150 #endif
 151
 152 /***************************************Currently Not Being Used *********************************/
 153 #define flash_EBIU_AMBCTL_WAT  ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
 154 #define flash_EBIU_AMBCTL_RAT  ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
 155 #define flash_EBIU_AMBCTL_HT   ((CONFIG_FLASH_SPEED_BHT  * 4) / (4000000000 / CONFIG_SCLK_HZ))
 156 #define flash_EBIU_AMBCTL_ST   ((CONFIG_FLASH_SPEED_BST  * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
 157 #define flash_EBIU_AMBCTL_TT   ((CONFIG_FLASH_SPEED_BTT  * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
 158
 159 #if (flash_EBIU_AMBCTL_TT > 3)
 160 #define flash_EBIU_AMBCTL0_TT   B0TT_4
 161 #endif
 162 #if (flash_EBIU_AMBCTL_TT == 3)
 163 #define flash_EBIU_AMBCTL0_TT   B0TT_3
 164 #endif
 165 #if (flash_EBIU_AMBCTL_TT == 2)
 166 #define flash_EBIU_AMBCTL0_TT   B0TT_2
 167 #endif
 168 #if (flash_EBIU_AMBCTL_TT < 2)
 169 #define flash_EBIU_AMBCTL0_TT   B0TT_1
 170 #endif
 171
 172 #if (flash_EBIU_AMBCTL_ST > 3)
 173 #define flash_EBIU_AMBCTL0_ST   B0ST_4
 174 #endif
 175 #if (flash_EBIU_AMBCTL_ST == 3)
 176 #define flash_EBIU_AMBCTL0_ST   B0ST_3
 177 #endif
 178 #if (flash_EBIU_AMBCTL_ST == 2)
 179 #define flash_EBIU_AMBCTL0_ST   B0ST_2
 180 #endif
 181 #if (flash_EBIU_AMBCTL_ST < 2)
 182 #define flash_EBIU_AMBCTL0_ST   B0ST_1
 183 #endif
 184
 185 #if (flash_EBIU_AMBCTL_HT > 2)
 186 #define flash_EBIU_AMBCTL0_HT   B0HT_3
 187 #endif
 188 #if (flash_EBIU_AMBCTL_HT == 2)
 189 #define flash_EBIU_AMBCTL0_HT   B0HT_2
 190 #endif
 191 #if (flash_EBIU_AMBCTL_HT == 1)
 192 #define flash_EBIU_AMBCTL0_HT   B0HT_1
 193 #endif
 194 #if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
 195 #define flash_EBIU_AMBCTL0_HT   B0HT_0
 196 #endif
 197 #if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
 198 #define flash_EBIU_AMBCTL0_HT   B0HT_1
 199 #endif
 200
 201 #if (flash_EBIU_AMBCTL_WAT > 14)
 202 #define flash_EBIU_AMBCTL0_WAT  B0WAT_15
 203 #endif
 204 #if (flash_EBIU_AMBCTL_WAT == 14)
 205 #define flash_EBIU_AMBCTL0_WAT  B0WAT_14
 206 #endif
 207 #if (flash_EBIU_AMBCTL_WAT == 13)
 208 #define flash_EBIU_AMBCTL0_WAT  B0WAT_13
 209 #endif
 210 #if (flash_EBIU_AMBCTL_WAT == 12)
 211 #define flash_EBIU_AMBCTL0_WAT  B0WAT_12
 212 #endif
 213 #if (flash_EBIU_AMBCTL_WAT == 11)
 214 #define flash_EBIU_AMBCTL0_WAT  B0WAT_11
 215 #endif
 216 #if (flash_EBIU_AMBCTL_WAT == 10)
 217 #define flash_EBIU_AMBCTL0_WAT  B0WAT_10
 218 #endif
 219 #if (flash_EBIU_AMBCTL_WAT == 9)
 220 #define flash_EBIU_AMBCTL0_WAT  B0WAT_9
 221 #endif
 222 #if (flash_EBIU_AMBCTL_WAT == 8)
 223 #define flash_EBIU_AMBCTL0_WAT  B0WAT_8
 224 #endif
 225 #if (flash_EBIU_AMBCTL_WAT == 7)
 226 #define flash_EBIU_AMBCTL0_WAT  B0WAT_7
 227 #endif
 228 #if (flash_EBIU_AMBCTL_WAT == 6)
 229 #define flash_EBIU_AMBCTL0_WAT  B0WAT_6
 230 #endif
 231 #if (flash_EBIU_AMBCTL_WAT == 5)
 232 #define flash_EBIU_AMBCTL0_WAT  B0WAT_5
 233 #endif
 234 #if (flash_EBIU_AMBCTL_WAT == 4)
 235 #define flash_EBIU_AMBCTL0_WAT  B0WAT_4
 236 #endif
 237 #if (flash_EBIU_AMBCTL_WAT == 3)
 238 #define flash_EBIU_AMBCTL0_WAT  B0WAT_3
 239 #endif
 240 #if (flash_EBIU_AMBCTL_WAT == 2)
 241 #define flash_EBIU_AMBCTL0_WAT  B0WAT_2
 242 #endif
 243 #if (flash_EBIU_AMBCTL_WAT == 1)
 244 #define flash_EBIU_AMBCTL0_WAT  B0WAT_1
 245 #endif
 246
 247 #if (flash_EBIU_AMBCTL_RAT > 14)
 248 #define flash_EBIU_AMBCTL0_RAT  B0RAT_15
 249 #endif
 250 #if (flash_EBIU_AMBCTL_RAT == 14)
 251 #define flash_EBIU_AMBCTL0_RAT  B0RAT_14
 252 #endif
 253 #if (flash_EBIU_AMBCTL_RAT == 13)
 254 #define flash_EBIU_AMBCTL0_RAT  B0RAT_13
 255 #endif
 256 #if (flash_EBIU_AMBCTL_RAT == 12)
 257 #define flash_EBIU_AMBCTL0_RAT  B0RAT_12
 258 #endif
 259 #if (flash_EBIU_AMBCTL_RAT == 11)
 260 #define flash_EBIU_AMBCTL0_RAT  B0RAT_11
 261 #endif
 262 #if (flash_EBIU_AMBCTL_RAT == 10)
 263 #define flash_EBIU_AMBCTL0_RAT  B0RAT_10
 264 #endif
 265 #if (flash_EBIU_AMBCTL_RAT == 9)
 266 #define flash_EBIU_AMBCTL0_RAT  B0RAT_9
 267 #endif
 268 #if (flash_EBIU_AMBCTL_RAT == 8)
 269 #define flash_EBIU_AMBCTL0_RAT  B0RAT_8
 270 #endif
 271 #if (flash_EBIU_AMBCTL_RAT == 7)
 272 #define flash_EBIU_AMBCTL0_RAT  B0RAT_7
 273 #endif
 274 #if (flash_EBIU_AMBCTL_RAT == 6)
 275 #define flash_EBIU_AMBCTL0_RAT  B0RAT_6
 276 #endif
 277 #if (flash_EBIU_AMBCTL_RAT == 5)
 278 #define flash_EBIU_AMBCTL0_RAT  B0RAT_5
 279 #endif
 280 #if (flash_EBIU_AMBCTL_RAT == 4)
 281 #define flash_EBIU_AMBCTL0_RAT  B0RAT_4
 282 #endif
 283 #if (flash_EBIU_AMBCTL_RAT == 3)
 284 #define flash_EBIU_AMBCTL0_RAT  B0RAT_3
 285 #endif
 286 #if (flash_EBIU_AMBCTL_RAT == 2)
 287 #define flash_EBIU_AMBCTL0_RAT  B0RAT_2
 288 #endif
 289 #if (flash_EBIU_AMBCTL_RAT == 1)
 290 #define flash_EBIU_AMBCTL0_RAT  B0RAT_1
 291 #endif
 292
 293 #define flash_EBIU_AMBCTL0  \
 294         (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
 295          flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)