projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| fe8c2806 WD |
1 | /* |
| 2 | * (C) Copyright 2000 | |
| 3 | * Murray Jensen <[email protected]> | |
| 4 | * | |
| 5 | * (C) Copyright 2000 | |
| 6 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> | |
| 7 | * Marius Groeger <[email protected]> | |
| 8 | * | |
| 9 | * (C) Copyright 2001 | |
| 10 | * Advent Networks, Inc. <http://www.adventnetworks.com> | |
| 11 | * Jay Monkman <[email protected]> | |
| 12 | * | |
| 13 | * Configuation settings for the WindRiver PPMC8260 board. | |
| 14 | * | |
| 15 | * See file CREDITS for list of people who contributed to this | |
| 16 | * project. | |
| 17 | * | |
| 18 | * This program is free software; you can redistribute it and/or | |
| 19 | * modify it under the terms of the GNU General Public License as | |
| 20 | * published by the Free Software Foundation; either version 2 of | |
| 21 | * the License, or (at your option) any later version. | |
| 22 | * | |
| 23 | * This program is distributed in the hope that it will be useful, | |
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 26 | * GNU General Public License for more details. | |
| 27 | * | |
| 28 | * You should have received a copy of the GNU General Public License | |
| 29 | * along with this program; if not, write to the Free Software | |
| 30 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 31 | * MA 02111-1307 USA | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef __CONFIG_H | |
| 35 | #define __CONFIG_H | |
| 36 | ||
| 37 | /***************************************************************************** | |
| 38 | * | |
| 39 | * These settings must match the way _your_ board is set up | |
| 40 | * | |
| 41 | *****************************************************************************/ | |
| 42 | ||
| 43 | /* What is the oscillator's (UX2) frequency in Hz? */ | |
| 44 | #define CONFIG_8260_CLKIN (66 * 1000 * 1000) | |
| 45 | ||
| 46 | /*----------------------------------------------------------------------- | |
| 47 | * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual | |
| 48 | *----------------------------------------------------------------------- | |
| 49 | * What should MODCK_H be? It is dependent on the oscillator | |
| 50 | * frequency, MODCK[1-3], and desired CPM and core frequencies. | |
| 51 | * Here are some example values (all frequencies are in MHz): | |
| 52 | * | |
| 53 | * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8 | |
| 54 | * ------- ---------- --- --- ---- ----- ----- ----- | |
| 55 | * 0x2 0x2 33 133 133 Close Open Close | |
| 56 | * 0x2 0x3 33 133 166 Close Open Open | |
| 57 | * 0x2 0x4 33 133 200 Open Close Close | |
| 58 | * 0x2 0x5 33 133 233 Open Close Open | |
| 59 | * 0x2 0x6 33 133 266 Open Open Close | |
| 60 | * | |
| 61 | * 0x5 0x5 66 133 133 Open Close Open | |
| 62 | * 0x5 0x6 66 133 166 Open Open Close | |
| 63 | * 0x5 0x7 66 133 200 Open Open Open | |
| 64 | * 0x6 0x0 66 133 233 Close Close Close | |
| 65 | * 0x6 0x1 66 133 266 Close Close Open | |
| 66 | * 0x6 0x2 66 133 300 Close Open Close | |
| 67 | */ | |
| 68 | #define CFG_PPMC_MODCK_H 0x05 | |
| 69 | ||
| 70 | /* Define this if you want to boot from 0x00000100. If you don't define | |
| 71 | * this, you will need to program the bootloader to 0xfff00000, and | |
| 72 | * get the hardware reset config words at 0xfe000000. The simplest | |
| 73 | * way to do that is to program the bootloader at both addresses. | |
| 74 | * It is suggested that you just let U-Boot live at 0x00000000. | |
| 75 | */ | |
| 76 | #define CFG_PPMC_BOOT_LOW 1 | |
| 77 | ||
| 78 | /* What should the base address of the main FLASH be and how big is | |
| 79 | * it (in MBytes)? This must contain TEXT_BASE from board/ppmc8260/config.mk | |
| 80 | * The main FLASH is whichever is connected to *CS0. U-Boot expects | |
| 81 | * this to be the SIMM. | |
| 82 | */ | |
| 83 | #define CFG_FLASH0_BASE 0xFE000000 | |
| 84 | #define CFG_FLASH0_SIZE 16 | |
| 85 | ||
| 86 | /* What should be the base address of the first SDRAM DIMM and how big is | |
| 87 | * it (in Mbytes)? | |
| 88 | */ | |
| 89 | #define CFG_SDRAM0_BASE 0x00000000 | |
| 90 | #define CFG_SDRAM0_SIZE 128 | |
| 91 | ||
| 92 | /* What should be the base address of the second SDRAM DIMM and how big is | |
| 93 | * it (in Mbytes)? | |
| 94 | */ | |
| 95 | #define CFG_SDRAM1_BASE 0x08000000 | |
| 96 | #define CFG_SDRAM1_SIZE 128 | |
| 97 | ||
| 98 | /* What should be the base address of the on board SDRAM and how big is | |
| 99 | * it (in Mbytes)? | |
| 100 | */ | |
| 101 | #define CFG_SDRAM2_BASE 0x38000000 | |
| 102 | #define CFG_SDRAM2_SIZE 16 | |
| 103 | ||
| 104 | /* What should be the base address of the MAILBOX and how big is it | |
| 105 | * (in Bytes) | |
| 106 | * The eeprom lives at CFG_MAILBOX_BASE + 0x80000000 | |
| 107 | */ | |
| 108 | #define CFG_MAILBOX_BASE 0x32000000 | |
| 109 | #define CFG_MAILBOX_SIZE 8192 | |
| 110 | ||
| 111 | /* What is the base address of the I/O select lines and how big is it | |
| 112 | * (In Mbytes)? | |
| 113 | */ | |
| 114 | ||
| 115 | #define CFG_IOSELECT_BASE 0xE0000000 | |
| 116 | #define CFG_IOSELECT_SIZE 32 | |
| 117 | ||
| 118 | ||
| 119 | /* What should be the base address of the LEDs and switch S0? | |
| 120 | * If you don't want them enabled, don't define this. | |
| 121 | */ | |
| 122 | #define CFG_LED_BASE 0xF1000000 | |
| 123 | ||
| 124 | /* | |
| 125 | * PPMC8260 with 256 16 MB DIMM: | |
| 126 | * | |
| 127 | * 0x0000 0000 Exception Vector code, 8k | |
| 128 | * : | |
| 129 | * 0x0000 1FFF | |
| 130 | * 0x0000 2000 Free for Application Use | |
| 131 | * : | |
| 132 | * : | |
| 133 | * | |
| 134 | * : | |
| 135 | * : | |
| 136 | * 0x0FF5 FF30 Monitor Stack (Growing downward) | |
| 137 | * Monitor Stack Buffer (0x80) | |
| 138 | * 0x0FF5 FFB0 Board Info Data | |
| 139 | * 0x0FF6 0000 Malloc Arena | |
| 140 | * : CFG_ENV_SECT_SIZE, 256k | |
| 141 | * : CFG_MALLOC_LEN, 128k | |
| 142 | * 0x0FFC 0000 RAM Copy of Monitor Code | |
| 143 | * : CFG_MONITOR_LEN, 256k | |
| 144 | * 0x0FFF FFFF [End of RAM], CFG_SDRAM_SIZE - 1 | |
| 145 | */ | |
| 146 | ||
| 147 | ||
| 148 | /* | |
| 149 | * select serial console configuration | |
| 150 | * | |
| 151 | * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then | |
| 152 | * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 | |
| 153 | * for SCC). | |
| 154 | * | |
| 155 | * if CONFIG_CONS_NONE is defined, then the serial console routines must | |
| 156 | * defined elsewhere. | |
| 157 | * The console can be on SMC1 or SMC2 | |
| 158 | */ | |
| 159 | #define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */ | |
| 160 | #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ | |
| 161 | #undef CONFIG_CONS_NONE /* define if console on neither */ | |
| 162 | #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */ | |
| 163 | ||
| 164 | /* | |
| 165 | * select ethernet configuration | |
| 166 | * | |
| 167 | * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then | |
| 168 | * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 | |
| 169 | * for FCC) | |
| 170 | * | |
| 171 | * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be | |
| 172 | * defined elsewhere (as for the console), or CFG_CMD_NET must be removed | |
| 173 | * from CONFIG_COMMANDS to remove support for networking. | |
| 174 | */ | |
| 175 | ||
| 176 | #undef CONFIG_ETHER_ON_SCC /* define if ethernet on SCC */ | |
| 177 | #define CONFIG_ETHER_ON_FCC /* define if ethernet on FCC */ | |
| 178 | #undef CONFIG_ETHER_NONE /* define if ethernet on neither */ | |
| 179 | #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */ | |
| 180 | #define CONFIG_MII /* MII PHY management */ | |
| 181 | #define CONFIG_BITBANGMII /* bit-bang MII PHY management */ | |
| 182 | /* | |
| 183 | * Port pins used for bit-banged MII communictions (if applicable). | |
| 184 | */ | |
| 185 | #define MDIO_PORT 2 /* Port C */ | |
| 186 | #define MDIO_ACTIVE (iop->pdir |= 0x00400000) | |
| 187 | #define MDIO_TRISTATE (iop->pdir &= ~0x00400000) | |
| 188 | #define MDIO_READ ((iop->pdat & 0x00400000) != 0) | |
| 189 | ||
| 190 | #define MDIO(bit) if(bit) iop->pdat |= 0x00400000; \ | |
| 191 | else iop->pdat &= ~0x00400000 | |
| 192 | ||
| 193 | #define MDC(bit) if(bit) iop->pdat |= 0x00200000; \ | |
| 194 | else iop->pdat &= ~0x00200000 | |
| 195 | ||
| 196 | #define MIIDELAY udelay(1) | |
| 197 | ||
| 198 | ||
| 199 | /* Define this to reserve an entire FLASH sector (256 KB) for | |
| 200 | * environment variables. Otherwise, the environment will be | |
| 201 | * put in the same sector as U-Boot, and changing variables | |
| 202 | * will erase U-Boot temporarily | |
| 203 | */ | |
| 204 | #define CFG_ENV_IN_OWN_SECT 1 | |
| 205 | ||
| 206 | /* Define to allow the user to overwrite serial and ethaddr */ | |
| 207 | #define CONFIG_ENV_OVERWRITE | |
| 208 | ||
| 209 | /* What should the console's baud rate be? */ | |
| 210 | #define CONFIG_BAUDRATE 9600 | |
| 211 | ||
| 212 | /* Ethernet MAC address */ | |
| 213 | ||
| 214 | #define CONFIG_ETHADDR 00:a0:1e:90:2b:00 | |
| 215 | ||
| 216 | /* Define this to set the last octet of the ethernet address | |
| 217 | * from the DS0-DS7 switch and light the leds with the result | |
| 218 | * The DS0-DS7 switch and the leds are backwards with respect | |
| 219 | * to each other. DS7 is on the board edge side of both the | |
| 220 | * led strip and the DS0-DS7 switch. | |
| 221 | */ | |
| 222 | #define CONFIG_MISC_INIT_R | |
| 223 | ||
| 224 | /* Set to a positive value to delay for running BOOTCOMMAND */ | |
| 225 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
| 226 | ||
| 227 | #if 0 | |
| 228 | /* Be selective on what keys can delay or stop the autoboot process | |
| 229 | * To stop use: " " | |
| 230 | */ | |
| 231 | # define CONFIG_AUTOBOOT_KEYED | |
| 232 | # define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, press \" \" to stop\n" | |
| 233 | # define CONFIG_AUTOBOOT_STOP_STR " " | |
| 234 | # undef CONFIG_AUTOBOOT_DELAY_STR | |
| 235 | # define DEBUG_BOOTKEYS 0 | |
| 236 | #endif | |
| 237 | ||
| 238 | /* Define a command string that is automatically executed when no character | |
| 239 | * is read on the console interface withing "Boot Delay" after reset. | |
| 240 | */ | |
| b79a11cc WD |
241 | #undef CONFIG_BOOT_ROOT_INITRD /* Use ram disk for the root file system */ |
| 242 | #define CONFIG_BOOT_ROOT_NFS /* Use a NFS mounted root file system */ | |
| fe8c2806 | 243 | |
| 42dfe7a1 | 244 | #ifdef CONFIG_BOOT_ROOT_INITRD |
| fe8c2806 WD |
245 | #define CONFIG_BOOTCOMMAND \ |
| 246 | "version;" \ | |
| 247 | "echo;" \ | |
| 248 | "bootp;" \ | |
| 249 | "setenv bootargs root=/dev/ram0 rw " \ | |
| 250 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ | |
| 251 | "bootm" | |
| 252 | #endif /* CONFIG_BOOT_ROOT_INITRD */ | |
| 253 | ||
| 42dfe7a1 | 254 | #ifdef CONFIG_BOOT_ROOT_NFS |
| fe8c2806 WD |
255 | #define CONFIG_BOOTCOMMAND \ |
| 256 | "version;" \ | |
| 257 | "echo;" \ | |
| 258 | "bootp;" \ | |
| 259 | "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ | |
| 260 | "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ | |
| 261 | "bootm" | |
| 262 | #endif /* CONFIG_BOOT_ROOT_NFS */ | |
| 263 | ||
| 264 | /* Add support for a few extra bootp options like: | |
| 265 | * - File size | |
| 266 | * - DNS | |
| 267 | */ | |
| 268 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \ | |
| 269 | CONFIG_BOOTP_BOOTFILESIZE | \ | |
| 270 | CONFIG_BOOTP_DNS) | |
| 271 | ||
| 272 | /* undef this to save memory */ | |
| 273 | #define CFG_LONGHELP | |
| 274 | ||
| 275 | /* Monitor Command Prompt */ | |
| 276 | #define CFG_PROMPT "=> " | |
| 277 | ||
| 278 | /* What U-Boot subsytems do you want enabled? */ | |
| 279 | #define CONFIG_COMMANDS (((CONFIG_CMD_DFL & ~(CFG_CMD_KGDB))) | \ | |
| 280 | CFG_CMD_ELF | \ | |
| 281 | CFG_CMD_ASKENV | \ | |
| 282 | CFG_CMD_ECHO | \ | |
| 283 | CFG_CMD_REGINFO | \ | |
| 284 | CFG_CMD_MEMTEST | \ | |
| 285 | CFG_CMD_MII | \ | |
| 286 | CFG_CMD_IMMAP) | |
| 287 | ||
| 288 | ||
| 289 | /* Where do the internal registers live? */ | |
| 290 | #define CFG_IMMR 0xf0000000 | |
| 291 | ||
| 292 | /***************************************************************************** | |
| 293 | * | |
| 294 | * You should not have to modify any of the following settings | |
| 295 | * | |
| 296 | *****************************************************************************/ | |
| 297 | ||
| 298 | #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ | |
| 299 | #define CONFIG_PPMC8260 1 /* on an Wind River PPMC8260 Board */ | |
| 300 | ||
| 301 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
| 302 | #include <cmd_confdefs.h> | |
| 303 | ||
| 304 | /* | |
| 305 | * Miscellaneous configurable options | |
| 306 | */ | |
| 307 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
| 308 | # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ | |
| 309 | #else | |
| 310 | # define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
| 311 | #endif | |
| 312 | ||
| 313 | /* Print Buffer Size */ | |
| 314 | #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16) | |
| 315 | ||
| 316 | #define CFG_MAXARGS 32 /* max number of command args */ | |
| 317 | ||
| 318 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
| 319 | ||
| 320 | #define CFG_LOAD_ADDR 0x140000 /* default load address */ | |
| 321 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
| 322 | ||
| 323 | #define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */ | |
| 324 | /* the exception vector table */ | |
| 325 | /* to the end of the DRAM */ | |
| 326 | /* less monitor and malloc area */ | |
| 327 | #define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */ | |
| 328 | #define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \ | |
| 329 | + CFG_MALLOC_LEN \ | |
| 330 | + CFG_ENV_SECT_SIZE \ | |
| 331 | + CFG_STACK_USAGE ) | |
| 332 | ||
| 333 | #define CFG_MEMTEST_END ( CFG_SDRAM_SIZE * 1024 * 1024 \ | |
| 334 | - CFG_MEM_END_USAGE ) | |
| 335 | ||
| 336 | /* valid baudrates */ | |
| 337 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
| 338 | ||
| 339 | /* | |
| 340 | * Low Level Configuration Settings | |
| 341 | * (address mappings, register initial values, etc.) | |
| 342 | * You should know what you are doing if you make changes here. | |
| 343 | */ | |
| 344 | ||
| 345 | #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1) | |
| 346 | /* | |
| 347 | * Attention: This is board specific | |
| 348 | * - RX clk is CLK11 | |
| 349 | * - TX clk is CLK12 | |
| 350 | */ | |
| 351 | #define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 |\ | |
| 352 | CMXSCR_TS1CS_CLK12) | |
| 353 | ||
| 354 | #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2) | |
| 355 | /* | |
| 356 | * Attention: this is board-specific | |
| 357 | * - Rx-CLK is CLK13 | |
| 358 | * - Tx-CLK is CLK14 | |
| 359 | * - Select bus for bd/buffers (see 28-13) | |
| 360 | * - Enable Full Duplex in FSMR | |
| 361 | */ | |
| 362 | #define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK) | |
| 363 | #define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14) | |
| 364 | #define CFG_CPMFCR_RAMTYPE 0 | |
| 365 | #define CFG_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB) | |
| 366 | #endif /* CONFIG_ETHER_INDEX */ | |
| 367 | ||
| 368 | #define CFG_FLASH_BASE CFG_FLASH0_BASE | |
| 369 | #define CFG_FLASH_SIZE CFG_FLASH0_SIZE | |
| 370 | #define CFG_SDRAM_BASE CFG_SDRAM0_BASE | |
| 371 | #define CFG_SDRAM_SIZE (CFG_SDRAM0_SIZE + CFG_SDRAM1_SIZE) | |
| 372 | ||
| 373 | /*----------------------------------------------------------------------- | |
| 374 | * Hard Reset Configuration Words | |
| 375 | */ | |
| 376 | #if defined(CFG_PPMC_BOOT_LOW) | |
| 377 | # define CFG_PPMC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS) | |
| 378 | #else | |
| 379 | # define CFG_PPMC_HRCW_BOOT_FLAGS (0) | |
| 380 | #endif /* defined(CFG_PPMC_BOOT_LOW) */ | |
| 381 | ||
| 382 | /* get the HRCW ISB field from CFG_IMMR */ | |
| 383 | #define CFG_PPMC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) | \ | |
| 384 | ((CFG_IMMR & 0x01000000) >> 7) | \ | |
| 385 | ((CFG_IMMR & 0x00100000) >> 4) ) | |
| 386 | ||
| 387 | #define CFG_HRCW_MASTER ( HRCW_EBM | \ | |
| 388 | HRCW_BPS11 | \ | |
| 389 | HRCW_L2CPC10 | \ | |
| 390 | HRCW_DPPC00 | \ | |
| 391 | CFG_PPMC_HRCW_IMMR | \ | |
| 392 | HRCW_MMR00 | \ | |
| 393 | HRCW_LBPC00 | \ | |
| 394 | HRCW_APPC10 | \ | |
| 395 | HRCW_CS10PC00 | \ | |
| 396 | (CFG_PPMC_MODCK_H & HRCW_MODCK_H1111) | \ | |
| 397 | CFG_PPMC_HRCW_BOOT_FLAGS ) | |
| 398 | ||
| 399 | /* no slaves */ | |
| 400 | #define CFG_HRCW_SLAVE1 0 | |
| 401 | #define CFG_HRCW_SLAVE2 0 | |
| 402 | #define CFG_HRCW_SLAVE3 0 | |
| 403 | #define CFG_HRCW_SLAVE4 0 | |
| 404 | #define CFG_HRCW_SLAVE5 0 | |
| 405 | #define CFG_HRCW_SLAVE6 0 | |
| 406 | #define CFG_HRCW_SLAVE7 0 | |
| 407 | ||
| 408 | /*----------------------------------------------------------------------- | |
| 409 | * Definitions for initial stack pointer and data area (in DPRAM) | |
| 410 | */ | |
| 411 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
| 412 | #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */ | |
| 413 | #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */ | |
| 414 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
| 415 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
| 416 | ||
| 417 | /*----------------------------------------------------------------------- | |
| 418 | * Start addresses for the final memory configuration | |
| 419 | * (Set up by the startup code) | |
| 420 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
| 421 | * Note also that the logic that sets CFG_RAMBOOT is platform dependent. | |
| 422 | */ | |
| 423 | #define CFG_MONITOR_BASE CFG_FLASH0_BASE | |
| 424 | ||
| 425 | #ifndef CFG_MONITOR_BASE | |
| 426 | #define CFG_MONITOR_BASE 0x0ff80000 | |
| 427 | #endif | |
| 428 | ||
| 429 | #if (CFG_MONITOR_BASE < CFG_FLASH_BASE) | |
| 430 | # define CFG_RAMBOOT | |
| 431 | #endif | |
| 432 | ||
| 433 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 374 kB for Monitor */ | |
| 434 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
| 435 | ||
| 436 | /* | |
| 437 | * For booting Linux, the board info and command line data | |
| 438 | * have to be in the first 8 MB of memory, since this is | |
| 439 | * the maximum mapped by the Linux kernel during initialization. | |
| 440 | */ | |
| 441 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
| 442 | ||
| 443 | /*----------------------------------------------------------------------- | |
| 444 | * FLASH and environment organization | |
| 445 | */ | |
| 446 | ||
| 447 | #define CFG_FLASH_CFI 1 /* Flash is CFI conformant */ | |
| bf9e3b38 | 448 | #define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */ |
| fe8c2806 WD |
449 | #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ |
| 450 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
| 451 | #define CFG_FLASH_INCREMENT 0 /* there is only one bank */ | |
| 452 | #define CFG_FLASH_PROTECTION 1 /* use hardware protection */ | |
| 453 | #define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */ | |
| 454 | ||
| 455 | ||
| 456 | #ifndef CFG_RAMBOOT | |
| 457 | ||
| 458 | # define CFG_ENV_IS_IN_FLASH 1 | |
| 459 | # ifdef CFG_ENV_IN_OWN_SECT | |
| 460 | # define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000) | |
| 461 | # define CFG_ENV_SECT_SIZE 0x40000 | |
| 462 | # else | |
| 463 | # define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE) | |
| 464 | # define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ | |
| 465 | # define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sect real size */ | |
| 466 | # endif /* CFG_ENV_IN_OWN_SECT */ | |
| 467 | ||
| 468 | #else | |
| 469 | # define CFG_ENV_IS_IN_FLASH 1 | |
| 470 | # define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x40000) | |
| 471 | #define CFG_ENV_SIZE 0x1000 | |
| 472 | # define CFG_ENV_SECT_SIZE 0x40000 | |
| 473 | #endif /* CFG_RAMBOOT */ | |
| 474 | ||
| 475 | /*----------------------------------------------------------------------- | |
| 476 | * Cache Configuration | |
| 477 | */ | |
| 478 | #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */ | |
| 479 | ||
| 480 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
| 481 | # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */ | |
| 482 | #endif | |
| 483 | ||
| 484 | /*----------------------------------------------------------------------- | |
| 485 | * HIDx - Hardware Implementation-dependent Registers 2-11 | |
| 486 | *----------------------------------------------------------------------- | |
| 487 | * HID0 also contains cache control - initially enable both caches and | |
| 488 | * invalidate contents, then the final state leaves only the instruction | |
| 489 | * cache enabled. Note that Power-On and Hard reset invalidate the caches, | |
| 490 | * but Soft reset does not. | |
| 491 | * | |
| 492 | * HID1 has only read-only information - nothing to set. | |
| 493 | */ | |
| 494 | #define CFG_HID0_INIT (HID0_ICE |\ | |
| 495 | HID0_DCE |\ | |
| 496 | HID0_ICFI |\ | |
| 497 | HID0_DCI |\ | |
| 498 | HID0_IFEM |\ | |
| 499 | HID0_ABE) | |
| 500 | ||
| 501 | #define CFG_HID0_FINAL (HID0_ICE |\ | |
| 502 | HID0_IFEM |\ | |
| 503 | HID0_ABE |\ | |
| 504 | HID0_EMCP) | |
| 505 | #define CFG_HID2 0 | |
| 506 | ||
| 507 | /*----------------------------------------------------------------------- | |
| 508 | * RMR - Reset Mode Register | |
| 509 | *----------------------------------------------------------------------- | |
| 510 | */ | |
| 511 | #define CFG_RMR 0 | |
| 512 | ||
| 513 | /*----------------------------------------------------------------------- | |
| 514 | * BCR - Bus Configuration 4-25 | |
| 515 | *----------------------------------------------------------------------- | |
| 516 | */ | |
| 517 | #define CFG_BCR (BCR_EBM |\ | |
| 518 | 0x30000000) | |
| 519 | ||
| 520 | /*----------------------------------------------------------------------- | |
| 521 | * SIUMCR - SIU Module Configuration 4-31 | |
| 522 | * Ref Section 4.3.2.6 page 4-31 | |
| 523 | *----------------------------------------------------------------------- | |
| 524 | */ | |
| 525 | ||
| 526 | #define CFG_SIUMCR (SIUMCR_ESE |\ | |
| 527 | SIUMCR_DPPC00 |\ | |
| 528 | SIUMCR_L2CPC10 |\ | |
| 529 | SIUMCR_LBPC00 |\ | |
| 530 | SIUMCR_APPC10 |\ | |
| 531 | SIUMCR_CS10PC00 |\ | |
| 532 | SIUMCR_BCTLC00 |\ | |
| 533 | SIUMCR_MMR00) | |
| 534 | ||
| 535 | ||
| 536 | /*----------------------------------------------------------------------- | |
| 537 | * SYPCR - System Protection Control 11-9 | |
| 538 | * SYPCR can only be written once after reset! | |
| 539 | *----------------------------------------------------------------------- | |
| 540 | * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable | |
| 541 | */ | |
| 542 | #define CFG_SYPCR (SYPCR_SWTC |\ | |
| 543 | SYPCR_BMT |\ | |
| 544 | SYPCR_PBME |\ | |
| 545 | SYPCR_LBME |\ | |
| 546 | SYPCR_SWRI |\ | |
| 547 | SYPCR_SWP) | |
| 548 | ||
| 549 | /*----------------------------------------------------------------------- | |
| 550 | * TMCNTSC - Time Counter Status and Control 4-40 | |
| 551 | *----------------------------------------------------------------------- | |
| 552 | * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, | |
| 553 | * and enable Time Counter | |
| 554 | */ | |
| 555 | #define CFG_TMCNTSC (TMCNTSC_SEC |\ | |
| 556 | TMCNTSC_ALR |\ | |
| 557 | TMCNTSC_TCF |\ | |
| 558 | TMCNTSC_TCE) | |
| 559 | ||
| 560 | /*----------------------------------------------------------------------- | |
| 561 | * PISCR - Periodic Interrupt Status and Control 4-42 | |
| 562 | *----------------------------------------------------------------------- | |
| 563 | * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable | |
| 564 | * Periodic timer | |
| 565 | */ | |
| 566 | #define CFG_PISCR (PISCR_PS |\ | |
| 567 | PISCR_PTF |\ | |
| 568 | PISCR_PTE) | |
| 569 | ||
| 570 | /*----------------------------------------------------------------------- | |
| 571 | * SCCR - System Clock Control 9-8 | |
| 572 | *----------------------------------------------------------------------- | |
| 573 | */ | |
| 574 | #define CFG_SCCR 0 | |
| 575 | ||
| 576 | /*----------------------------------------------------------------------- | |
| 577 | * RCCR - RISC Controller Configuration 13-7 | |
| 578 | *----------------------------------------------------------------------- | |
| 579 | */ | |
| 580 | #define CFG_RCCR 0 | |
| 581 | ||
| 582 | /* | |
| 583 | * Initialize Memory Controller: | |
| 584 | * | |
| 585 | * Bank Bus Machine PortSz Device | |
| 586 | * ---- --- ------- ------ ------ | |
| 587 | * 0 60x GPCM 32 bit FLASH (SIMM - 32MB) * | |
| 588 | * 1 unused | |
| 589 | * 2 60x SDRAM 64 bit SDRAM (DIMM - 128MB) | |
| 590 | * 3 60x SDRAM 64 bit SDRAM (DIMM - 128MB) | |
| 591 | * 4 Local SDRAM 32 bit SDRAM (on board - 16MB) | |
| 592 | * 5 60x GPCM 8 bit Mailbox/EEPROM (8KB) | |
| 593 | * 6 60x GPCM 8 bit FLASH (on board - 2MB) * | |
| 594 | * 7 60x GPCM 8 bit LEDs, switches | |
| 595 | * | |
| 596 | * (*) This configuration requires the PPMC8260 be configured | |
| 597 | * so that *CS0 goes to the FLASH SIMM, and *CS6 goes to | |
| 598 | * the on board FLASH. In other words, JP24 should have | |
| 599 | * pins 1 and 2 jumpered and pins 3 and 4 jumpered. | |
| 600 | * | |
| 601 | */ | |
| 602 | ||
| 603 | /*----------------------------------------------------------------------- | |
| 604 | * BR0,BR1 - Base Register | |
| 605 | * Ref: Section 10.3.1 on page 10-14 | |
| 606 | * OR0,OR1 - Option Register | |
| 607 | * Ref: Section 10.3.2 on page 10-18 | |
| 608 | *----------------------------------------------------------------------- | |
| 609 | */ | |
| 610 | ||
| 611 | /* Bank 0,1 - FLASH SIMM | |
| 612 | * | |
| 613 | * This expects the FLASH SIMM to be connected to *CS0 | |
| 614 | * It consists of 4 AM29F080B parts. | |
| 615 | * | |
| 616 | * Note: For the 4 MB SIMM, *CS1 is unused. | |
| 617 | */ | |
| 618 | ||
| 619 | /* BR0 is configured as follows: | |
| 620 | * | |
| 621 | * - Base address of 0xFE000000 | |
| 622 | * - 32 bit port size | |
| 623 | * - Data errors checking is disabled | |
| 624 | * - Read and write access | |
| 625 | * - GPCM 60x bus | |
| 626 | * - Access are handled by the memory controller according to MSEL | |
| 627 | * - Not used for atomic operations | |
| 628 | * - No data pipelining is done | |
| 629 | * - Valid | |
| 630 | */ | |
| 631 | #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\ | |
| 632 | BRx_PS_32 |\ | |
| 633 | BRx_MS_GPCM_P |\ | |
| 634 | BRx_V) | |
| 635 | ||
| 636 | /* OR0 is configured as follows: | |
| 637 | * | |
| 638 | * - 32 MB | |
| 639 | * - *BCTL0 is asserted upon access to the current memory bank | |
| 640 | * - *CW / *WE are negated a quarter of a clock earlier | |
| 641 | * - *CS is output at the same time as the address lines | |
| 642 | * - Uses a clock cycle length of 5 | |
| 643 | * - *PSDVAL is generated internally by the memory controller | |
| 644 | * unless *GTA is asserted earlier externally. | |
| 645 | * - Relaxed timing is generated by the GPCM for accesses | |
| 646 | * initiated to this memory region. | |
| 647 | * - One idle clock is inserted between a read access from the | |
| 648 | * current bank and the next access. | |
| 649 | */ | |
| 650 | #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\ | |
| 651 | ORxG_CSNT |\ | |
| 652 | ORxG_ACS_DIV1 |\ | |
| 653 | ORxG_SCY_5_CLK |\ | |
| 654 | ORxG_TRLX |\ | |
| 655 | ORxG_EHTR) | |
| 656 | ||
| 657 | /*----------------------------------------------------------------------- | |
| 658 | * BR2,BR3 - Base Register | |
| 659 | * Ref: Section 10.3.1 on page 10-14 | |
| 660 | * OR2,OR3 - Option Register | |
| 661 | * Ref: Section 10.3.2 on page 10-16 | |
| 662 | *----------------------------------------------------------------------- | |
| 663 | */ | |
| 664 | ||
| 665 | /* | |
| 666 | * Bank 2,3 - 128 MB SDRAM DIMM | |
| 667 | */ | |
| 668 | ||
| 669 | /* With a 128 MB DIMM, the BR2 is configured as follows: | |
| 670 | * | |
| 671 | * - Base address of 0x00000000/0x08000000 | |
| 672 | * - 64 bit port size (60x bus only) | |
| 673 | * - Data errors checking is disabled | |
| 674 | * - Read and write access | |
| 675 | * - SDRAM 60x bus | |
| 676 | * - Access are handled by the memory controller according to MSEL | |
| 677 | * - Not used for atomic operations | |
| 678 | * - No data pipelining is done | |
| 679 | * - Valid | |
| 680 | */ | |
| 681 | #define CFG_BR2_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\ | |
| 682 | BRx_PS_64 |\ | |
| 683 | BRx_MS_SDRAM_P |\ | |
| 684 | BRx_V) | |
| 685 | ||
| 686 | #define CFG_BR3_PRELIM ((CFG_SDRAM1_BASE & BRx_BA_MSK) |\ | |
| 687 | BRx_PS_64 |\ | |
| 688 | BRx_MS_SDRAM_P |\ | |
| 689 | BRx_V) | |
| 690 | ||
| 691 | /* With a 128 MB DIMM, the OR2 is configured as follows: | |
| 692 | * | |
| 693 | * - 128 MB | |
| 694 | * - 4 internal banks per device | |
| 695 | * - Row start address bit is A8 with PSDMR[PBI] = 0 | |
| 696 | * - 13 row address lines | |
| 697 | * - Back-to-back page mode | |
| 698 | * - Internal bank interleaving within save device enabled | |
| 699 | */ | |
| 700 | ||
| 701 | #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\ | |
| 702 | ORxS_BPD_4 |\ | |
| 703 | ORxS_ROWST_PBI0_A7 |\ | |
| 704 | ORxS_NUMR_13) | |
| 705 | ||
| 706 | #define CFG_OR3_PRELIM (MEG_TO_AM(CFG_SDRAM1_SIZE) |\ | |
| 707 | ORxS_BPD_4 |\ | |
| 708 | ORxS_ROWST_PBI0_A7 |\ | |
| 709 | ORxS_NUMR_13) | |
| 710 | ||
| 711 | ||
| 712 | /*----------------------------------------------------------------------- | |
| 713 | * PSDMR - 60x Bus SDRAM Mode Register | |
| 714 | * Ref: Section 10.3.3 on page 10-21 | |
| 715 | *----------------------------------------------------------------------- | |
| 716 | */ | |
| 717 | ||
| 718 | /* With a 128 MB DIMM, the PSDMR is configured as follows: | |
| 719 | * | |
| 720 | * - Page Based Interleaving, | |
| 721 | * - Refresh Enable, | |
| 722 | * - Normal Operation | |
| 723 | * - Address Multiplexing where A5 is output on A14 pin | |
| 724 | * (A6 on A15, and so on), | |
| 725 | * - use address pins A13-A15 as bank select, | |
| 726 | * - A9 is output on SDA10 during an ACTIVATE command, | |
| 727 | * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, | |
| 728 | * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command | |
| 729 | * is 3 clocks, | |
| 730 | * - earliest timing for READ/WRITE command after ACTIVATE command is | |
| 731 | * 2 clocks, | |
| 732 | * - earliest timing for PRECHARGE after last data was read is 1 clock, | |
| 733 | * - earliest timing for PRECHARGE after last data was written is 1 clock, | |
| 734 | * - External Address Multiplexing enabled | |
| 735 | * - CAS Latency is 2. | |
| 736 | */ | |
| 737 | #define CFG_PSDMR (PSDMR_RFEN |\ | |
| 738 | PSDMR_SDAM_A14_IS_A5 |\ | |
| 739 | PSDMR_BSMA_A13_A15 |\ | |
| 740 | PSDMR_SDA10_PBI0_A9 |\ | |
| 741 | PSDMR_RFRC_7_CLK |\ | |
| 742 | PSDMR_PRETOACT_3W |\ | |
| 743 | PSDMR_ACTTORW_2W |\ | |
| 744 | PSDMR_LDOTOPRE_1C |\ | |
| 745 | PSDMR_WRC_1C |\ | |
| 746 | PSDMR_EAMUX |\ | |
| 747 | PSDMR_CL_2) | |
| 748 | ||
| 749 | ||
| 750 | #define CFG_PSRT 0x0e | |
| 751 | #define CFG_MPTPR MPTPR_PTP_DIV32 | |
| 752 | ||
| 753 | ||
| 754 | /*----------------------------------------------------------------------- | |
| 755 | * BR4 - Base Register | |
| 756 | * Ref: Section 10.3.1 on page 10-14 | |
| 757 | * OR4 - Option Register | |
| 758 | * Ref: Section 10.3.2 on page 10-16 | |
| 759 | *----------------------------------------------------------------------- | |
| 760 | */ | |
| 761 | ||
| 762 | /* | |
| 763 | * Bank 4 - On board SDRAM | |
| 764 | * | |
| 765 | */ | |
| 766 | /* With 16 MB of onboard SDRAM BR4 is configured as follows | |
| 767 | * | |
| 768 | * - Base address 0x38000000 | |
| 769 | * - 32 bit port size | |
| 770 | * - Data error checking disabled | |
| 771 | * - Read/Write access | |
| 772 | * - SDRAM local bus | |
| 773 | * - Not used for atomic operations | |
| 774 | * - No data pipelining is done | |
| 775 | * - Valid | |
| 776 | * | |
| 777 | */ | |
| 778 | ||
| 779 | #define CFG_BR4_PRELIM ((CFG_SDRAM2_BASE & BRx_BA_MSK) |\ | |
| 780 | BRx_PS_32 |\ | |
| 781 | BRx_DECC_NONE |\ | |
| 782 | BRx_MS_SDRAM_L |\ | |
| 783 | BRx_V) | |
| 784 | ||
| 785 | /* | |
| 786 | * With 16MB SDRAM, OR4 is configured as follows | |
| 787 | * - 4 internal banks per device | |
| 788 | * - Row start address bit is A10 with LSDMR[PBI] = 0 | |
| 789 | * - 12 row address lines | |
| 790 | * - Back-to-back page mode | |
| 791 | * - Internal bank interleaving within save device enabled | |
| 792 | */ | |
| 793 | ||
| 794 | #define CFG_OR4_PRELIM (MEG_TO_AM(CFG_SDRAM2_SIZE) |\ | |
| 795 | ORxS_BPD_4 |\ | |
| 796 | ORxS_ROWST_PBI0_A10 |\ | |
| 797 | ORxS_NUMR_12) | |
| 798 | ||
| 799 | ||
| 800 | /*----------------------------------------------------------------------- | |
| 801 | * LSDMR - Local Bus SDRAM Mode Register | |
| 802 | * Ref: Section 10.3.4 on page 10-24 | |
| 803 | *----------------------------------------------------------------------- | |
| 804 | */ | |
| 805 | ||
| 806 | /* With a 16 MB onboard SDRAM, the LSDMR is configured as follows: | |
| 807 | * | |
| 808 | * - Page Based Interleaving, | |
| 809 | * - Refresh Enable, | |
| 810 | * - Normal Operation | |
| 811 | * - Address Multiplexing where A5 is output on A13 pin | |
| 812 | * (A6 on A15, and so on), | |
| 813 | * - use address pins A15-A17 as bank select, | |
| 814 | * - A11 is output on SDA10 during an ACTIVATE command, | |
| 815 | * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks, | |
| 816 | * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command | |
| 817 | * is 2 clocks, | |
| 818 | * - earliest timing for READ/WRITE command after ACTIVATE command is | |
| 819 | * 2 clocks, | |
| 820 | * - SDRAM burst length is 8 | |
| 821 | * - earliest timing for PRECHARGE after last data was read is 1 clock, | |
| 822 | * - earliest timing for PRECHARGE after last data was written is 1 clock, | |
| 823 | * - External Address Multiplexing disabled | |
| 824 | * - CAS Latency is 2. | |
| 825 | */ | |
| 826 | #define CFG_LSDMR (PSDMR_RFEN |\ | |
| 827 | PSDMR_SDAM_A13_IS_A5 |\ | |
| 828 | PSDMR_BSMA_A15_A17 |\ | |
| 829 | PSDMR_SDA10_PBI0_A11 |\ | |
| 830 | PSDMR_RFRC_7_CLK |\ | |
| 831 | PSDMR_PRETOACT_2W |\ | |
| 832 | PSDMR_ACTTORW_2W |\ | |
| 833 | PSDMR_BL |\ | |
| 834 | PSDMR_LDOTOPRE_1C |\ | |
| 835 | PSDMR_WRC_1C |\ | |
| 836 | PSDMR_CL_2) | |
| 837 | ||
| 838 | #define CFG_LSRT 0x0e | |
| 839 | ||
| 840 | /*----------------------------------------------------------------------- | |
| 841 | * BR5 - Base Register | |
| 842 | * Ref: Section 10.3.1 on page 10-14 | |
| 843 | * OR5 - Option Register | |
| 844 | * Ref: Section 10.3.2 on page 10-16 | |
| 845 | *----------------------------------------------------------------------- | |
| 846 | */ | |
| 847 | ||
| 848 | /* | |
| 849 | * Bank 5 EEProm and Mailbox | |
| 850 | * | |
| 851 | * The EEPROM and mailbox live on the same chip select. | |
| 852 | * the eeprom is selected if the MSb of the address is set and the mailbox is | |
| 853 | * selected if the MSb of the address is clear. | |
| 854 | * | |
| 855 | */ | |
| 856 | ||
| 857 | /* BR5 is configured as follows: | |
| 858 | * | |
| 859 | * - Base address of 0x32000000/0xF2000000 | |
| 860 | * - 8 bit | |
| 861 | * - Data error checking disabled | |
| 862 | * - Read/Write access | |
| 863 | * - GPCM 60x Bus | |
| 864 | * - SDRAM local bus | |
| 865 | * - No data pipelining is done | |
| 866 | * - Valid | |
| 867 | */ | |
| 868 | ||
| 869 | #define CFG_BR5_PRELIM ((CFG_MAILBOX_BASE & BRx_BA_MSK) |\ | |
| 870 | BRx_PS_8 |\ | |
| 871 | BRx_DECC_NONE |\ | |
| 872 | BRx_MS_GPCM_P |\ | |
| 873 | BRx_V) | |
| 874 | /* OR5 is configured as follows | |
| 875 | * - buffer control enabled | |
| 876 | * - chip select negated normally | |
| 877 | * - CS output 1/2 clock after address | |
| 878 | * - 15 wait states | |
| 879 | * - *PSDVAL is generated internally by the memory controller | |
| 880 | * unless *GTA is asserted earlier externally. | |
| 881 | * - Relaxed timing is generated by the GPCM for accesses | |
| 882 | * initiated to this memory region. | |
| 883 | * - One idle clock is inserted between a read access from the | |
| 884 | * current bank and the next access. | |
| 885 | */ | |
| 886 | ||
| 887 | #define CFG_OR5_PRELIM ((P2SZ_TO_AM(CFG_MAILBOX_SIZE) & ~0x80000000) |\ | |
| 888 | ORxG_ACS_DIV2 |\ | |
| 889 | ORxG_SCY_15_CLK |\ | |
| 890 | ORxG_TRLX |\ | |
| 891 | ORxG_EHTR) | |
| 892 | ||
| 893 | /*----------------------------------------------------------------------- | |
| 894 | * BR6 - Base Register | |
| 895 | * Ref: Section 10.3.1 on page 10-14 | |
| 896 | * OR6 - Option Register | |
| 897 | * Ref: Section 10.3.2 on page 10-18 | |
| 898 | *----------------------------------------------------------------------- | |
| 899 | */ | |
| 900 | ||
| 901 | /* Bank 6 - I/O select | |
| 902 | * | |
| 903 | */ | |
| 904 | ||
| 905 | /* BR6 is configured as follows: | |
| 906 | * | |
| 907 | * - Base address of 0xE0000000 | |
| 908 | * - 16 bit port size | |
| 909 | * - Data errors checking is disabled | |
| 910 | * - Read and write access | |
| 911 | * - GPCM 60x bus | |
| 912 | * - Access are handled by the memory controller according to MSEL | |
| 913 | * - Not used for atomic operations | |
| 914 | * - No data pipelining is done | |
| 915 | * - Valid | |
| 916 | */ | |
| 917 | #define CFG_BR6_PRELIM ((CFG_IOSELECT_BASE & BRx_BA_MSK) |\ | |
| 918 | BRx_PS_16 |\ | |
| 919 | BRx_MS_GPCM_P |\ | |
| 920 | BRx_V) | |
| 921 | ||
| 922 | /* OR6 is configured as follows | |
| 923 | * - buffer control enabled | |
| 924 | * - chip select negated normally | |
| 925 | * - CS output 1/2 clock after address | |
| 926 | * - 15 wait states | |
| 927 | * - *PSDVAL is generated internally by the memory controller | |
| 928 | * unless *GTA is asserted earlier externally. | |
| 929 | * - Relaxed timing is generated by the GPCM for accesses | |
| 930 | * initiated to this memory region. | |
| 931 | * - One idle clock is inserted between a read access from the | |
| 932 | * current bank and the next access. | |
| 933 | */ | |
| 934 | ||
| 935 | #define CFG_OR6_PRELIM (MEG_TO_AM(CFG_IOSELECT_SIZE) |\ | |
| 936 | ORxG_ACS_DIV2 |\ | |
| 937 | ORxG_SCY_15_CLK |\ | |
| 938 | ORxG_TRLX |\ | |
| 939 | ORxG_EHTR) | |
| 940 | ||
| 941 | ||
| 942 | /*----------------------------------------------------------------------- | |
| 943 | * BR7 - Base Register | |
| 944 | * Ref: Section 10.3.1 on page 10-14 | |
| 945 | * OR7 - Option Register | |
| 946 | * Ref: Section 10.3.2 on page 10-18 | |
| 947 | *----------------------------------------------------------------------- | |
| 948 | */ | |
| 949 | ||
| 950 | /* Bank 7 - LEDs and switches | |
| 951 | * | |
| 952 | * LEDs are at 0x00001 (write only) | |
| 953 | * switches are at 0x00001 (read only) | |
| 954 | */ | |
| 955 | #ifdef CFG_LED_BASE | |
| 956 | ||
| 957 | /* BR7 is configured as follows: | |
| 958 | * | |
| 959 | * - Base address of 0xA0000000 | |
| 960 | * - 8 bit port size | |
| 961 | * - Data errors checking is disabled | |
| 962 | * - Read and write access | |
| 963 | * - GPCM 60x bus | |
| 964 | * - Access are handled by the memory controller according to MSEL | |
| 965 | * - Not used for atomic operations | |
| 966 | * - No data pipelining is done | |
| 967 | * - Valid | |
| 968 | */ | |
| 969 | #define CFG_BR7_PRELIM ((CFG_LED_BASE & BRx_BA_MSK) |\ | |
| 970 | BRx_PS_8 |\ | |
| 971 | BRx_DECC_NONE |\ | |
| 972 | BRx_MS_GPCM_P |\ | |
| 973 | BRx_V) | |
| 974 | ||
| 975 | /* OR7 is configured as follows: | |
| 976 | * | |
| 977 | * - 1 byte | |
| 978 | * - *BCTL0 is asserted upon access to the current memory bank | |
| 979 | * - *CW / *WE are negated a quarter of a clock earlier | |
| 980 | * - *CS is output at the same time as the address lines | |
| 981 | * - Uses a clock cycle length of 15 | |
| 982 | * - *PSDVAL is generated internally by the memory controller | |
| 983 | * unless *GTA is asserted earlier externally. | |
| 984 | * - Relaxed timing is generated by the GPCM for accesses | |
| 985 | * initiated to this memory region. | |
| 986 | * - One idle clock is inserted between a read access from the | |
| 987 | * current bank and the next access. | |
| 988 | */ | |
| 989 | #define CFG_OR7_PRELIM (ORxG_AM_MSK |\ | |
| 990 | ORxG_CSNT |\ | |
| 991 | ORxG_ACS_DIV1 |\ | |
| 992 | ORxG_SCY_15_CLK |\ | |
| 993 | ORxG_TRLX |\ | |
| 994 | ORxG_EHTR) | |
| 995 | #endif /* CFG_LED_BASE */ | |
| 996 | ||
| 997 | /* | |
| 998 | * Internal Definitions | |
| 999 | * | |
| 1000 | * Boot Flags | |
| 1001 | */ | |
| 1002 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
| 1003 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
| 1004 | ||
| 1005 | #endif /* __CONFIG_H */ |