projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 0f8c9768 WD |
1 | /* |
| 2 | * (C) Copyright 2000 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 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 | * You should have received a copy of the GNU General Public License | |
| 19 | * along with this program; if not, write to the Free Software | |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 21 | * MA 02111-1307 USA | |
| 22 | */ | |
| 23 | ||
| 24 | /* | |
| 25 | * board/config.h - configuration options, board specific | |
| 26 | */ | |
| 27 | ||
| 28 | #ifndef __CONFIG_H | |
| 29 | #define __CONFIG_H | |
| 30 | ||
| 31 | /* | |
| 32 | * High Level Configuration Options | |
| 33 | * (easy to change) | |
| 34 | */ | |
| 35 | ||
| 36 | #define CONFIG_MPC860 1 /* This is a MPC860 CPU */ | |
| 37 | #define CONFIG_IVMS8 1 /* ...on a IVMS8 board */ | |
| 38 | ||
| 39 | #if defined (CONFIG_IVMS8_16M) | |
| 40 | # define CONFIG_IDENT_STRING " IVMS8" | |
| 41 | #elif defined (CONFIG_IVMS8_32M) | |
| 42 | # define CONFIG_IDENT_STRING " IVMS8_128" | |
| 43 | #elif defined (CONFIG_IVMS8_64M) | |
| 44 | # define CONFIG_IDENT_STRING " IVMS8_256" | |
| 45 | #endif | |
| 46 | ||
| 47 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ | |
| 48 | #undef CONFIG_8xx_CONS_SMC2 | |
| 49 | #undef CONFIG_8xx_CONS_NONE | |
| 50 | #define CONFIG_BAUDRATE 115200 | |
| 51 | ||
| 52 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
| 53 | #define CONFIG_8xx_GCLK_FREQ 50331648 | |
| 54 | ||
| 55 | #define CONFIG_SHOW_BOOT_PROGRESS 1 /* Show boot progress on LEDs */ | |
| 56 | ||
| 57 | #if 0 | |
| 58 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
| 59 | #else | |
| 60 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
| 61 | #endif | |
| 62 | #define CONFIG_BOOTCOMMAND "bootp" /* autoboot command */ | |
| 63 | ||
| 64 | #define CONFIG_BOOTARGS "root=/dev/nfs rw " \ | |
| 65 | "nfsroot=10.0.0.2:/opt/eldk/ppc_8xx " \ | |
| 66 | "nfsaddrs=10.0.0.99:10.0.0.2" | |
| 67 | ||
| 68 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
| 69 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
| 70 | ||
| 71 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
| 72 | ||
| 73 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ | |
| 74 | ||
| 348f258f JL |
75 | /* |
| 76 | * Command line configuration. | |
| 77 | */ | |
| 78 | #include <config_cmd_default.h> | |
| 79 | ||
| 80 | #define CONFIG_CMD_IDE | |
| 81 | ||
| 82 | ||
| 0f8c9768 WD |
83 | #define CONFIG_MAC_PARTITION |
| 84 | #define CONFIG_DOS_PARTITION | |
| 85 | ||
| 7be044e4 JL |
86 | /* |
| 87 | * BOOTP options | |
| 88 | */ | |
| 89 | #define CONFIG_BOOTP_SUBNETMASK | |
| 90 | #define CONFIG_BOOTP_HOSTNAME | |
| 91 | #define CONFIG_BOOTP_BOOTPATH | |
| 92 | #define CONFIG_BOOTP_BOOTFILESIZE | |
| 93 | ||
| 0f8c9768 | 94 | |
| 0f8c9768 WD |
95 | /* |
| 96 | * Miscellaneous configurable options | |
| 97 | */ | |
| 98 | #define CFG_LONGHELP /* undef to save memory */ | |
| 99 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
| 348f258f | 100 | #if defined(CONFIG_CMD_KGDB) |
| 0f8c9768 WD |
101 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| 102 | #else | |
| 103 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
| 104 | #endif | |
| 105 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
| 106 | #define CFG_MAXARGS 16 /* max number of command args */ | |
| 107 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
| 108 | ||
| 109 | #define CFG_MEMTEST_START 0x00100000 /* memtest works on */ | |
| 110 | #define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */ | |
| 111 | ||
| 112 | #define CFG_LOAD_ADDR 0x00100000 /* default load address */ | |
| 113 | ||
| 114 | #define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */ | |
| 115 | ||
| 116 | #define CFG_PB_SDRAM_CLKE 0x00008000 /* PB 16 */ | |
| 117 | #define CFG_PB_ETH_POWERDOWN 0x00010000 /* PB 15 */ | |
| 118 | #define CFG_PB_IDE_MOTOR 0x00020000 /* PB 14 */ | |
| 119 | ||
| 120 | #define CFG_PC_ETH_RESET ((ushort)0x0010) /* PC 11 */ | |
| 121 | #define CFG_PC_IDE_RESET ((ushort)0x0020) /* PC 10 */ | |
| 122 | ||
| 123 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
| 124 | ||
| 125 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
| 126 | ||
| 127 | /* | |
| 128 | * Low Level Configuration Settings | |
| 129 | * (address mappings, register initial values, etc.) | |
| 130 | * You should know what you are doing if you make changes here. | |
| 131 | */ | |
| 132 | /*----------------------------------------------------------------------- | |
| 133 | * Internal Memory Mapped Register | |
| 134 | */ | |
| 135 | #define CFG_IMMR 0xFFF00000 /* was: 0xFF000000 */ | |
| 136 | ||
| 137 | /*----------------------------------------------------------------------- | |
| 138 | * Definitions for initial stack pointer and data area (in DPRAM) | |
| 139 | */ | |
| 140 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
| 141 | #if defined (CONFIG_IVMS8_16M) | |
| 142 | # define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
| 143 | #elif defined (CONFIG_IVMS8_32M) | |
| 144 | # define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */ | |
| 145 | #elif defined (CONFIG_IVMS8_64M) | |
| 146 | # define CFG_INIT_RAM_END 0x3000 /* End of used area in DPRAM */ | |
| 147 | #endif | |
| 148 | ||
| 149 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
| 150 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
| 151 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
| 152 | ||
| 153 | /*----------------------------------------------------------------------- | |
| 154 | * Start addresses for the final memory configuration | |
| 155 | * (Set up by the startup code) | |
| 156 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
| 157 | */ | |
| 158 | #define CFG_SDRAM_BASE 0x00000000 | |
| 159 | #define CFG_FLASH_BASE 0xFF000000 | |
| 160 | #ifdef DEBUG | |
| 161 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
| 162 | #else | |
| 163 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ | |
| 164 | #endif | |
| 165 | #define CFG_MONITOR_BASE CFG_FLASH_BASE | |
| 166 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
| 167 | ||
| 168 | /* | |
| 169 | * For booting Linux, the board info and command line data | |
| 170 | * have to be in the first 8 MB of memory, since this is | |
| 171 | * the maximum mapped by the Linux kernel during initialization. | |
| 172 | */ | |
| 173 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
| 174 | /*----------------------------------------------------------------------- | |
| 175 | * FLASH organization | |
| 176 | */ | |
| 177 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
| 178 | #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ | |
| 179 | ||
| 180 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
| 181 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
| 182 | ||
| 5a1aceb0 | 183 | #define CONFIG_ENV_IS_IN_FLASH 1 |
| 0f8c9768 WD |
184 | #define CFG_ENV_OFFSET 0x7A000 /* Offset of Environment Sector */ |
| 185 | #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ | |
| 186 | /*----------------------------------------------------------------------- | |
| 187 | * Cache Configuration | |
| 188 | */ | |
| 189 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
| 348f258f | 190 | #if defined(CONFIG_CMD_KGDB) |
| 0f8c9768 WD |
191 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
| 192 | #endif | |
| 193 | ||
| 194 | /*----------------------------------------------------------------------- | |
| 195 | * SYPCR - System Protection Control 11-9 | |
| 196 | * SYPCR can only be written once after reset! | |
| 197 | *----------------------------------------------------------------------- | |
| 198 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
| 199 | */ | |
| 200 | #if defined(CONFIG_WATCHDOG) | |
| 201 | # if defined (CONFIG_IVMS8_16M) | |
| 202 | # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
| 53677ef1 | 203 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
| 0f8c9768 WD |
204 | # elif defined (CONFIG_IVMS8_32M) |
| 205 | # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
| 206 | SYPCR_SWE | SYPCR_SWP) | |
| 207 | # elif defined (CONFIG_IVMS8_64M) | |
| 208 | # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
| 209 | SYPCR_SWE | SYPCR_SWP) | |
| 210 | # endif | |
| 211 | #else | |
| 212 | # define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
| 213 | #endif | |
| 214 | ||
| 215 | /*----------------------------------------------------------------------- | |
| 216 | * SIUMCR - SIU Module Configuration 11-6 | |
| 217 | *----------------------------------------------------------------------- | |
| 218 | * PCMCIA config., multi-function pin tri-state | |
| 219 | */ | |
| 220 | /* EARB, DBGC and DBPC are initialised by the HCW */ | |
| 221 | /* => 0x000000C0 */ | |
| 222 | #define CFG_SIUMCR (SIUMCR_BSC | SIUMCR_GB5E) | |
| 223 | ||
| 224 | /*----------------------------------------------------------------------- | |
| 225 | * TBSCR - Time Base Status and Control 11-26 | |
| 226 | *----------------------------------------------------------------------- | |
| 227 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
| 228 | */ | |
| 229 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
| 230 | ||
| 231 | /*----------------------------------------------------------------------- | |
| 232 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
| 233 | *----------------------------------------------------------------------- | |
| 234 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
| 235 | */ | |
| 236 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
| 237 | ||
| 238 | /*----------------------------------------------------------------------- | |
| 239 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
| 240 | *----------------------------------------------------------------------- | |
| 241 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
| 242 | * interrupt status bit, set PLL multiplication factor ! | |
| 243 | */ | |
| 244 | /* 0x00B0C0C0 */ | |
| 245 | #define CFG_PLPRCR \ | |
| 246 | ( (11 << PLPRCR_MF_SHIFT) | \ | |
| 247 | PLPRCR_SPLSS | PLPRCR_TEXPS | /*PLPRCR_TMIST|*/ \ | |
| 248 | /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \ | |
| 249 | PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \ | |
| 250 | ) | |
| 251 | ||
| 252 | /*----------------------------------------------------------------------- | |
| 253 | * SCCR - System Clock and reset Control Register 15-27 | |
| 254 | *----------------------------------------------------------------------- | |
| 255 | * Set clock output, timebase and RTC source and divider, | |
| 256 | * power management and some other internal clocks | |
| 257 | */ | |
| 258 | #define SCCR_MASK SCCR_EBDF11 | |
| 259 | /* 0x01800014 */ | |
| 260 | #define CFG_SCCR (SCCR_COM01 | /*SCCR_TBS|*/ \ | |
| 261 | SCCR_RTDIV | SCCR_RTSEL | \ | |
| 53677ef1 | 262 | /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \ |
| 0f8c9768 WD |
263 | SCCR_EBDF00 | SCCR_DFSYNC00 | \ |
| 264 | SCCR_DFBRG00 | SCCR_DFNL000 | \ | |
| 265 | SCCR_DFNH000 | SCCR_DFLCD101 | \ | |
| 266 | SCCR_DFALCD00) | |
| 267 | ||
| 268 | /*----------------------------------------------------------------------- | |
| 269 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
| 270 | *----------------------------------------------------------------------- | |
| 271 | */ | |
| 272 | /* 0x00C3 */ | |
| 273 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
| 274 | ||
| 275 | ||
| 276 | /*----------------------------------------------------------------------- | |
| 277 | * RCCR - RISC Controller Configuration Register 19-4 | |
| 278 | *----------------------------------------------------------------------- | |
| 279 | */ | |
| 280 | /* TIMEP=2 */ | |
| 281 | #define CFG_RCCR 0x0200 | |
| 282 | ||
| 283 | /*----------------------------------------------------------------------- | |
| 284 | * RMDS - RISC Microcode Development Support Control Register | |
| 285 | *----------------------------------------------------------------------- | |
| 286 | */ | |
| 287 | #define CFG_RMDS 0 | |
| 288 | ||
| 289 | /*----------------------------------------------------------------------- | |
| 290 | * | |
| 291 | * Interrupt Levels | |
| 292 | *----------------------------------------------------------------------- | |
| 293 | */ | |
| 294 | #define CFG_CPM_INTERRUPT 13 /* SIU_LEVEL6 */ | |
| 295 | ||
| 296 | /*----------------------------------------------------------------------- | |
| 297 | * PCMCIA stuff | |
| 298 | *----------------------------------------------------------------------- | |
| 299 | * | |
| 300 | */ | |
| 301 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
| 302 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
| 303 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
| 304 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
| 305 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
| 306 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
| 307 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
| 308 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
| 309 | ||
| 310 | /*----------------------------------------------------------------------- | |
| 311 | * IDE/ATA stuff | |
| 312 | *----------------------------------------------------------------------- | |
| 313 | */ | |
| 314 | #define CONFIG_IDE_8xx_DIRECT 1 /* PCMCIA interface required */ | |
| 315 | #define CONFIG_IDE_RESET 1 /* reset for ide supported */ | |
| 316 | ||
| 317 | #define CFG_IDE_MAXBUS 1 /* The IVMS8 has only 1 IDE bus */ | |
| 318 | #define CFG_IDE_MAXDEVICE 1 /* ... and only 1 IDE device */ | |
| 319 | ||
| 320 | #define CFG_ATA_BASE_ADDR 0xFE100000 | |
| 321 | #define CFG_ATA_IDE0_OFFSET 0x0000 | |
| 322 | #undef CFG_ATA_IDE1_OFFSET /* only one IDE bus available */ | |
| 323 | ||
| 324 | #define CFG_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */ | |
| 325 | #define CFG_ATA_REG_OFFSET 0x0080 /* Offset for normal register accesses */ | |
| 326 | #define CFG_ATA_ALT_OFFSET 0x0100 /* Offset for alternate registers */ | |
| 327 | ||
| 328 | /*----------------------------------------------------------------------- | |
| 329 | * | |
| 330 | *----------------------------------------------------------------------- | |
| 331 | * | |
| 332 | */ | |
| 0f8c9768 WD |
333 | #define CFG_DER 0 |
| 334 | ||
| 335 | /* | |
| 336 | * Init Memory Controller: | |
| 337 | * | |
| 338 | * BR0 and OR0 (FLASH) | |
| 339 | */ | |
| 340 | ||
| 341 | #define FLASH_BASE0_PRELIM 0xFF000000 /* FLASH bank #0 */ | |
| 342 | ||
| 343 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
| 344 | * restrict access enough to keep SRAM working (if any) | |
| 345 | * but not too much to meddle with FLASH accesses | |
| 346 | */ | |
| 347 | /* EPROMs are 512kb */ | |
| 348 | #define CFG_REMAP_OR_AM 0xFFF80000 /* OR addr mask */ | |
| 349 | #define CFG_PRELIM_OR_AM 0xFFF80000 /* OR addr mask */ | |
| 350 | ||
| 351 | /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ | |
| 352 | #define CFG_OR_TIMING_FLASH (/* OR_CSNT_SAM | */ OR_ACS_DIV4 | OR_BI | \ | |
| 353 | OR_SCY_5_CLK | OR_EHTR) | |
| 354 | ||
| 355 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
| 356 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
| 357 | /* 16 bit, bank valid */ | |
| 358 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) | |
| 359 | ||
| 360 | /* | |
| 361 | * BR1/OR1 - ELIC SACCO bank @ 0xFE000000 | |
| 362 | * | |
| 363 | * AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1 | |
| 364 | */ | |
| 365 | #define ELIC_SACCO_BASE 0xFE000000 | |
| 366 | #define ELIC_SACCO_OR_AM 0xFFFF8000 | |
| 367 | #define ELIC_SACCO_TIMING 0x00000F26 | |
| 368 | ||
| 369 | #define CFG_OR1 (ELIC_SACCO_OR_AM | ELIC_SACCO_TIMING) | |
| 370 | #define CFG_BR1 ((ELIC_SACCO_BASE & BR_BA_MSK) | BR_PS_8 | BR_V ) | |
| 371 | ||
| 372 | /* | |
| 373 | * BR2/OR2 - ELIC EPIC bank @ 0xFE008000 | |
| 374 | * | |
| 375 | * AM=0xFFFF8 ATM=0 CSNT/SAM=1 ACS/G5LA/G5LS=3 BIH=1 SCY=2 SETA=0 TRLX=1 EHTR=1 | |
| 376 | */ | |
| 377 | #define ELIC_EPIC_BASE 0xFE008000 | |
| 378 | #define ELIC_EPIC_OR_AM 0xFFFF8000 | |
| 379 | #define ELIC_EPIC_TIMING 0x00000F26 | |
| 380 | ||
| 381 | #define CFG_OR2 (ELIC_EPIC_OR_AM | ELIC_EPIC_TIMING) | |
| 382 | #define CFG_BR2 ((ELIC_EPIC_BASE & BR_BA_MSK) | BR_PS_8 | BR_V ) | |
| 383 | ||
| 384 | /* | |
| 385 | * BR3/OR3: SDRAM | |
| 386 | * | |
| 387 | * Multiplexed addresses, GPL5 output to GPL5_A (don't care) | |
| 388 | */ | |
| 389 | #define SDRAM_BASE3_PRELIM 0x00000000 /* SDRAM bank */ | |
| 390 | #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */ | |
| 391 | #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */ | |
| 392 | ||
| 393 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */ | |
| 394 | ||
| 395 | #define CFG_OR3_PRELIM (SDRAM_PRELIM_OR_AM | SDRAM_TIMING ) | |
| 396 | #define CFG_BR3_PRELIM ((SDRAM_BASE3_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V ) | |
| 397 | ||
| 398 | /* | |
| 399 | * BR4/OR4: not used | |
| 400 | */ | |
| 401 | ||
| 402 | /* | |
| 403 | * BR5/OR5: SHARC ADSP-2165L | |
| 404 | * | |
| 405 | * AM=0xFFC00 ATM=0 CSNT/SAM=0 ACS/G5LA/G5LS=3 BIH=1 SCY=0 SETA=0 TRLX=0 EHTR=0 | |
| 406 | */ | |
| 407 | #define SHARC_BASE 0xFE400000 | |
| 408 | #define SHARC_OR_AM 0xFFC00000 | |
| 409 | #define SHARC_TIMING 0x00000700 | |
| 410 | ||
| 411 | #define CFG_OR5 (SHARC_OR_AM | SHARC_TIMING ) | |
| 412 | #define CFG_BR5 ((SHARC_BASE & BR_BA_MSK) | BR_PS_32 | BR_MS_UPMA | BR_V ) | |
| 413 | ||
| 414 | /* | |
| 415 | * Memory Periodic Timer Prescaler | |
| 416 | */ | |
| 417 | ||
| 418 | /* periodic timer for refresh */ | |
| 2535d602 | 419 | #define CFG_MBMR_PTB 204 |
| 0f8c9768 WD |
420 | |
| 421 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
| 422 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
| 423 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
| 424 | ||
| 425 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
| 426 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
| 427 | #if defined (CONFIG_IVMS8_16M) | |
| 428 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
| 429 | #elif defined (CONFIG_IVMS8_32M) | |
| 430 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
| 431 | #elif defined (CONFIG_IVMS8_64M) | |
| 432 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV8 /* setting for 1 bank */ | |
| 433 | #endif | |
| 434 | ||
| 435 | ||
| 436 | /* | |
| 437 | * MBMR settings for SDRAM | |
| 438 | */ | |
| 439 | ||
| 440 | #if defined (CONFIG_IVMS8_16M) | |
| 441 | /* 8 column SDRAM */ | |
| 2535d602 | 442 | # define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ |
| 53677ef1 WD |
443 | MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \ |
| 444 | MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X) | |
| 0f8c9768 WD |
445 | #elif defined (CONFIG_IVMS8_32M) |
| 446 | /* 128 MBit SDRAM */ | |
| 2535d602 WD |
447 | #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ |
| 448 | MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \ | |
| 449 | MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X) | |
| 0f8c9768 WD |
450 | #elif defined (CONFIG_IVMS8_64M) |
| 451 | /* 128 MBit SDRAM */ | |
| 2535d602 WD |
452 | #define CFG_MBMR_8COL ((CFG_MBMR_PTB << MBMR_PTB_SHIFT) | \ |
| 453 | MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \ | |
| 454 | MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X) | |
| 0f8c9768 WD |
455 | |
| 456 | #endif | |
| 457 | ||
| 458 | /* | |
| 459 | * Internal Definitions | |
| 460 | * | |
| 461 | * Boot Flags | |
| 462 | */ | |
| 463 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
| 464 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
| 465 | ||
| 466 | #endif /* __CONFIG_H */ |