| Wolfgang Denk | 6cb142f | 2006-03-12 02:12:27 +0100 | [diff] [blame] | 1 | /* |
| 2 | * U-boot - mem_init.h Header file for memory initialization |
| 3 | * |
| 4 | * Copyright (c) 2005 blackfin.uclinux.org |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #if ( CONFIG_MEM_MT48LC16M16A2TG_75 || CONFIG_MEM_MT48LC64M4A2FB_7E ) |
| 26 | #if ( CONFIG_SCLK_HZ > 119402985 ) |
| 27 | #define SDRAM_tRP TRP_2 |
| 28 | #define SDRAM_tRP_num 2 |
| 29 | #define SDRAM_tRAS TRAS_7 |
| 30 | #define SDRAM_tRAS_num 7 |
| 31 | #define SDRAM_tRCD TRCD_2 |
| 32 | #define SDRAM_tWR TWR_2 |
| 33 | #endif |
| 34 | #if ( CONFIG_SCLK_HZ > 104477612 ) && ( CONFIG_SCLK_HZ <= 119402985 ) |
| 35 | #define SDRAM_tRP TRP_2 |
| 36 | #define SDRAM_tRP_num 2 |
| 37 | #define SDRAM_tRAS TRAS_6 |
| 38 | #define SDRAM_tRAS_num 6 |
| 39 | #define SDRAM_tRCD TRCD_2 |
| 40 | #define SDRAM_tWR TWR_2 |
| 41 | #endif |
| 42 | #if ( CONFIG_SCLK_HZ > 89552239 ) && ( CONFIG_SCLK_HZ <= 104477612 ) |
| 43 | #define SDRAM_tRP TRP_2 |
| 44 | #define SDRAM_tRP_num 2 |
| 45 | #define SDRAM_tRAS TRAS_5 |
| 46 | #define SDRAM_tRAS_num 5 |
| 47 | #define SDRAM_tRCD TRCD_2 |
| 48 | #define SDRAM_tWR TWR_2 |
| 49 | #endif |
| 50 | #if ( CONFIG_SCLK_HZ > 74626866 ) && ( CONFIG_SCLK_HZ <= 89552239 ) |
| 51 | #define SDRAM_tRP TRP_2 |
| 52 | #define SDRAM_tRP_num 2 |
| 53 | #define SDRAM_tRAS TRAS_4 |
| 54 | #define SDRAM_tRAS_num 4 |
| 55 | #define SDRAM_tRCD TRCD_2 |
| 56 | #define SDRAM_tWR TWR_2 |
| 57 | #endif |
| 58 | #if ( CONFIG_SCLK_HZ > 66666667 ) && ( CONFIG_SCLK_HZ <= 74626866 ) |
| 59 | #define SDRAM_tRP TRP_2 |
| 60 | #define SDRAM_tRP_num 2 |
| 61 | #define SDRAM_tRAS TRAS_3 |
| 62 | #define SDRAM_tRAS_num 3 |
| 63 | #define SDRAM_tRCD TRCD_2 |
| 64 | #define SDRAM_tWR TWR_2 |
| 65 | #endif |
| 66 | #if ( CONFIG_SCLK_HZ > 59701493 ) && ( CONFIG_SCLK_HZ <= 66666667 ) |
| 67 | #define SDRAM_tRP TRP_1 |
| 68 | #define SDRAM_tRP_num 1 |
| 69 | #define SDRAM_tRAS TRAS_4 |
| 70 | #define SDRAM_tRAS_num 3 |
| 71 | #define SDRAM_tRCD TRCD_1 |
| 72 | #define SDRAM_tWR TWR_2 |
| 73 | #endif |
| 74 | #if ( CONFIG_SCLK_HZ > 44776119 ) && ( CONFIG_SCLK_HZ <= 59701493 ) |
| 75 | #define SDRAM_tRP TRP_1 |
| 76 | #define SDRAM_tRP_num 1 |
| 77 | #define SDRAM_tRAS TRAS_3 |
| 78 | #define SDRAM_tRAS_num 3 |
| 79 | #define SDRAM_tRCD TRCD_1 |
| 80 | #define SDRAM_tWR TWR_2 |
| 81 | #endif |
| 82 | #if ( CONFIG_SCLK_HZ > 29850746 ) && ( CONFIG_SCLK_HZ <= 44776119 ) |
| 83 | #define SDRAM_tRP TRP_1 |
| 84 | #define SDRAM_tRP_num 1 |
| 85 | #define SDRAM_tRAS TRAS_2 |
| 86 | #define SDRAM_tRAS_num 2 |
| 87 | #define SDRAM_tRCD TRCD_1 |
| 88 | #define SDRAM_tWR TWR_2 |
| 89 | #endif |
| 90 | #if ( CONFIG_SCLK_HZ <= 29850746 ) |
| 91 | #define SDRAM_tRP TRP_1 |
| 92 | #define SDRAM_tRP_num 1 |
| 93 | #define SDRAM_tRAS TRAS_1 |
| 94 | #define SDRAM_tRAS_num 1 |
| 95 | #define SDRAM_tRCD TRCD_1 |
| 96 | #define SDRAM_tWR TWR_2 |
| 97 | #endif |
| 98 | #endif |
| 99 | |
| 100 | #if (CONFIG_MEM_MT48LC16M16A2TG_75) |
| 101 | /*SDRAM INFORMATION: */ |
| 102 | #define SDRAM_Tref 64 /* Refresh period in milliseconds */ |
| 103 | #define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ |
| 104 | #define SDRAM_CL CL_3 |
| 105 | #endif |
| 106 | |
| 107 | #if (CONFIG_MEM_MT48LC64M4A2FB_7E) |
| 108 | /*SDRAM INFORMATION: */ |
| 109 | #define SDRAM_Tref 64 /* Refresh period in milliseconds */ |
| 110 | #define SDRAM_NRA 8192 /* Number of row addresses in SDRAM */ |
| 111 | #define SDRAM_CL CL_2 |
| 112 | #endif |
| 113 | |
| 114 | #if ( CONFIG_MEM_SIZE == 128 ) |
| 115 | #define SDRAM_SIZE EBSZ_128 |
| 116 | #endif |
| 117 | #if ( CONFIG_MEM_SIZE == 64 ) |
| 118 | #define SDRAM_SIZE EBSZ_64 |
| 119 | #endif |
| 120 | #if ( CONFIG_MEM_SIZE == 32 ) |
| 121 | #define SDRAM_SIZE EBSZ_32 |
| 122 | #endif |
| 123 | #if ( CONFIG_MEM_SIZE == 16 ) |
| 124 | #define SDRAM_SIZE EBSZ_16 |
| 125 | #endif |
| 126 | #if ( CONFIG_MEM_ADD_WDTH == 11 ) |
| 127 | #define SDRAM_WIDTH EBCAW_11 |
| 128 | #endif |
| 129 | #if ( CONFIG_MEM_ADD_WDTH == 10 ) |
| 130 | #define SDRAM_WIDTH EBCAW_10 |
| 131 | #endif |
| 132 | #if ( CONFIG_MEM_ADD_WDTH == 9 ) |
| 133 | #define SDRAM_WIDTH EBCAW_9 |
| 134 | #endif |
| 135 | #if ( CONFIG_MEM_ADD_WDTH == 8 ) |
| 136 | #define SDRAM_WIDTH EBCAW_8 |
| 137 | #endif |
| 138 | |
| 139 | #define mem_SDBCTL SDRAM_WIDTH | SDRAM_SIZE | EBE |
| 140 | |
| 141 | /* Equation from section 17 (p17-46) of BF533 HRM */ |
| 142 | #define mem_SDRRC ((( CONFIG_SCLK_HZ / 1000) * SDRAM_Tref) / SDRAM_NRA) - (SDRAM_tRAS_num + SDRAM_tRP_num) |
| 143 | |
| 144 | /* Enable SCLK Out */ |
| 145 | #define mem_SDGCTL ( SCTLE | SDRAM_CL | SDRAM_tRAS | SDRAM_tRP | SDRAM_tRCD | SDRAM_tWR | PSS ) |
| 146 | |
| 147 | #define flash_EBIU_AMBCTL_WAT ( ( CONFIG_FLASH_SPEED_BWAT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1 |
| 148 | #define flash_EBIU_AMBCTL_RAT ( ( CONFIG_FLASH_SPEED_BRAT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1 |
| 149 | #define flash_EBIU_AMBCTL_HT ( ( CONFIG_FLASH_SPEED_BHT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) |
| 150 | #define flash_EBIU_AMBCTL_ST ( ( CONFIG_FLASH_SPEED_BST * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1 |
| 151 | #define flash_EBIU_AMBCTL_TT ( ( CONFIG_FLASH_SPEED_BTT * 4 ) / ( 4000000000 / CONFIG_SCLK_HZ ) ) + 1 |
| 152 | |
| 153 | #if (flash_EBIU_AMBCTL_TT > 3 ) |
| 154 | #define flash_EBIU_AMBCTL0_TT B0TT_4 |
| 155 | #endif |
| 156 | #if (flash_EBIU_AMBCTL_TT == 3 ) |
| 157 | #define flash_EBIU_AMBCTL0_TT B0TT_3 |
| 158 | #endif |
| 159 | #if (flash_EBIU_AMBCTL_TT == 2 ) |
| 160 | #define flash_EBIU_AMBCTL0_TT B0TT_2 |
| 161 | #endif |
| 162 | #if (flash_EBIU_AMBCTL_TT < 2 ) |
| 163 | #define flash_EBIU_AMBCTL0_TT B0TT_1 |
| 164 | #endif |
| 165 | |
| 166 | #if (flash_EBIU_AMBCTL_ST > 3 ) |
| 167 | #define flash_EBIU_AMBCTL0_ST B0ST_4 |
| 168 | #endif |
| 169 | #if (flash_EBIU_AMBCTL_ST == 3 ) |
| 170 | #define flash_EBIU_AMBCTL0_ST B0ST_3 |
| 171 | #endif |
| 172 | #if (flash_EBIU_AMBCTL_ST == 2 ) |
| 173 | #define flash_EBIU_AMBCTL0_ST B0ST_2 |
| 174 | #endif |
| 175 | #if (flash_EBIU_AMBCTL_ST < 2 ) |
| 176 | #define flash_EBIU_AMBCTL0_ST B0ST_1 |
| 177 | #endif |
| 178 | |
| 179 | #if (flash_EBIU_AMBCTL_HT > 2 ) |
| 180 | #define flash_EBIU_AMBCTL0_HT B0HT_3 |
| 181 | #endif |
| 182 | #if (flash_EBIU_AMBCTL_HT == 2 ) |
| 183 | #define flash_EBIU_AMBCTL0_HT B0HT_2 |
| 184 | #endif |
| 185 | #if (flash_EBIU_AMBCTL_HT == 1 ) |
| 186 | #define flash_EBIU_AMBCTL0_HT B0HT_1 |
| 187 | #endif |
| 188 | #if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0) |
| 189 | #define flash_EBIU_AMBCTL0_HT B0HT_0 |
| 190 | #endif |
| 191 | #if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0) |
| 192 | #define flash_EBIU_AMBCTL0_HT B0HT_1 |
| 193 | #endif |
| 194 | |
| 195 | #if (flash_EBIU_AMBCTL_WAT > 14) |
| 196 | #define flash_EBIU_AMBCTL0_WAT B0WAT_15 |
| 197 | #endif |
| 198 | #if (flash_EBIU_AMBCTL_WAT == 14) |
| 199 | #define flash_EBIU_AMBCTL0_WAT B0WAT_14 |
| 200 | #endif |
| 201 | #if (flash_EBIU_AMBCTL_WAT == 13) |
| 202 | #define flash_EBIU_AMBCTL0_WAT B0WAT_13 |
| 203 | #endif |
| 204 | #if (flash_EBIU_AMBCTL_WAT == 12) |
| 205 | #define flash_EBIU_AMBCTL0_WAT B0WAT_12 |
| 206 | #endif |
| 207 | #if (flash_EBIU_AMBCTL_WAT == 11) |
| 208 | #define flash_EBIU_AMBCTL0_WAT B0WAT_11 |
| 209 | #endif |
| 210 | #if (flash_EBIU_AMBCTL_WAT == 10) |
| 211 | #define flash_EBIU_AMBCTL0_WAT B0WAT_10 |
| 212 | #endif |
| 213 | #if (flash_EBIU_AMBCTL_WAT == 9) |
| 214 | #define flash_EBIU_AMBCTL0_WAT B0WAT_9 |
| 215 | #endif |
| 216 | #if (flash_EBIU_AMBCTL_WAT == 8) |
| 217 | #define flash_EBIU_AMBCTL0_WAT B0WAT_8 |
| 218 | #endif |
| 219 | #if (flash_EBIU_AMBCTL_WAT == 7) |
| 220 | #define flash_EBIU_AMBCTL0_WAT B0WAT_7 |
| 221 | #endif |
| 222 | #if (flash_EBIU_AMBCTL_WAT == 6) |
| 223 | #define flash_EBIU_AMBCTL0_WAT B0WAT_6 |
| 224 | #endif |
| 225 | #if (flash_EBIU_AMBCTL_WAT == 5) |
| 226 | #define flash_EBIU_AMBCTL0_WAT B0WAT_5 |
| 227 | #endif |
| 228 | #if (flash_EBIU_AMBCTL_WAT == 4) |
| 229 | #define flash_EBIU_AMBCTL0_WAT B0WAT_4 |
| 230 | #endif |
| 231 | #if (flash_EBIU_AMBCTL_WAT == 3) |
| 232 | #define flash_EBIU_AMBCTL0_WAT B0WAT_3 |
| 233 | #endif |
| 234 | #if (flash_EBIU_AMBCTL_WAT == 2) |
| 235 | #define flash_EBIU_AMBCTL0_WAT B0WAT_2 |
| 236 | #endif |
| 237 | #if (flash_EBIU_AMBCTL_WAT == 1) |
| 238 | #define flash_EBIU_AMBCTL0_WAT B0WAT_1 |
| 239 | #endif |
| 240 | |
| 241 | #if (flash_EBIU_AMBCTL_RAT > 14) |
| 242 | #define flash_EBIU_AMBCTL0_RAT B0RAT_15 |
| 243 | #endif |
| 244 | #if (flash_EBIU_AMBCTL_RAT == 14) |
| 245 | #define flash_EBIU_AMBCTL0_RAT B0RAT_14 |
| 246 | #endif |
| 247 | #if (flash_EBIU_AMBCTL_RAT == 13) |
| 248 | #define flash_EBIU_AMBCTL0_RAT B0RAT_13 |
| 249 | #endif |
| 250 | #if (flash_EBIU_AMBCTL_RAT == 12) |
| 251 | #define flash_EBIU_AMBCTL0_RAT B0RAT_12 |
| 252 | #endif |
| 253 | #if (flash_EBIU_AMBCTL_RAT == 11) |
| 254 | #define flash_EBIU_AMBCTL0_RAT B0RAT_11 |
| 255 | #endif |
| 256 | #if (flash_EBIU_AMBCTL_RAT == 10) |
| 257 | #define flash_EBIU_AMBCTL0_RAT B0RAT_10 |
| 258 | #endif |
| 259 | #if (flash_EBIU_AMBCTL_RAT == 9) |
| 260 | #define flash_EBIU_AMBCTL0_RAT B0RAT_9 |
| 261 | #endif |
| 262 | #if (flash_EBIU_AMBCTL_RAT == 8) |
| 263 | #define flash_EBIU_AMBCTL0_RAT B0RAT_8 |
| 264 | #endif |
| 265 | #if (flash_EBIU_AMBCTL_RAT == 7) |
| 266 | #define flash_EBIU_AMBCTL0_RAT B0RAT_7 |
| 267 | #endif |
| 268 | #if (flash_EBIU_AMBCTL_RAT == 6) |
| 269 | #define flash_EBIU_AMBCTL0_RAT B0RAT_6 |
| 270 | #endif |
| 271 | #if (flash_EBIU_AMBCTL_RAT == 5) |
| 272 | #define flash_EBIU_AMBCTL0_RAT B0RAT_5 |
| 273 | #endif |
| 274 | #if (flash_EBIU_AMBCTL_RAT == 4) |
| 275 | #define flash_EBIU_AMBCTL0_RAT B0RAT_4 |
| 276 | #endif |
| 277 | #if (flash_EBIU_AMBCTL_RAT == 3) |
| 278 | #define flash_EBIU_AMBCTL0_RAT B0RAT_3 |
| 279 | #endif |
| 280 | #if (flash_EBIU_AMBCTL_RAT == 2) |
| 281 | #define flash_EBIU_AMBCTL0_RAT B0RAT_2 |
| 282 | #endif |
| 283 | #if (flash_EBIU_AMBCTL_RAT == 1) |
| 284 | #define flash_EBIU_AMBCTL0_RAT B0RAT_1 |
| 285 | #endif |
| 286 | |
| 287 | #define flash_EBIU_AMBCTL0 flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN |