projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 3bbc899f WD |
1 | /* |
| 2 | * (C) Copyright 2003 | |
| 3 | * MuLogic B.V. | |
| 4 | * | |
| 5 | * (C) Copyright 2002 | |
| 6 | * Simple Network Magic Corporation | |
| 7 | * | |
| 8 | * (C) Copyright 2000 | |
| 9 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| 10 | * | |
| 11 | * See file CREDITS for list of people who contributed to this | |
| 12 | * project. | |
| 13 | * | |
| 14 | * This program is free software; you can redistribute it and/or | |
| 15 | * modify it under the terms of the GNU General Public License as | |
| 16 | * published by the Free Software Foundation; either version 2 of | |
| 17 | * the License, or (at your option) any later version. | |
| 18 | * | |
| 19 | * This program is distributed in the hope that it will be useful, | |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 22 | * GNU General Public License for more details. | |
| 23 | * | |
| 24 | * You should have received a copy of the GNU General Public License | |
| 25 | * along with this program; if not, write to the Free Software | |
| 26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
| 27 | * MA 02111-1307 USA | |
| 28 | */ | |
| 29 | ||
| 30 | /* | |
| 31 | * board/config.h - configuration options, board specific | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef __CONFIG_H | |
| 35 | #define __CONFIG_H | |
| 36 | ||
| 37 | /* various debug settings */ | |
| 38 | #undef CFG_DEVICE_NULLDEV /* null device */ | |
| 39 | #undef CONFIG_SILENT_CONSOLE /* silent console */ | |
| 40 | #undef CFG_CONSOLE_INFO_QUIET /* silent console ? */ | |
| 41 | #undef DEBUG /* debug output code */ | |
| 42 | #undef DEBUG_FLASH /* debug flash code */ | |
| 43 | #undef FLASH_DEBUG /* debug fash code */ | |
| 44 | #undef DEBUG_ENV /* debug environment code */ | |
| 45 | ||
| 46 | #define CFG_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */ | |
| 47 | #define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */ | |
| 48 | ||
| 49 | /* | |
| 50 | * High Level Configuration Options | |
| 51 | * (easy to change) | |
| 52 | */ | |
| 53 | #define CONFIG_MPC823 1 /* This is a MPC823 CPU */ | |
| 54 | #define CONFIG_QS823 1 /* ...on a QS823 module */ | |
| 55 | #define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */ | |
| 56 | ||
| 57 | /* Select the target clock speed */ | |
| 58 | #undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */ | |
| 59 | #undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */ | |
| 60 | #undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */ | |
| 61 | #define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */ | |
| 62 | #undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */ | |
| 63 | ||
| 64 | #ifdef CONFIG_CLOCK_16MHZ | |
| 65 | #define CONFIG_CLOCK_MULT 512 | |
| 66 | #endif | |
| 67 | ||
| 68 | #ifdef CONFIG_CLOCK_33MHZ | |
| 69 | #define CONFIG_CLOCK_MULT 1024 | |
| 70 | #endif | |
| 71 | ||
| 72 | #ifdef CONFIG_CLOCK_50MHZ | |
| 73 | #define CONFIG_CLOCK_MULT 1525 | |
| 74 | #endif | |
| 75 | ||
| 76 | #ifdef CONFIG_CLOCK_66MHZ | |
| 77 | #define CONFIG_CLOCK_MULT 2048 | |
| 78 | #endif | |
| 79 | ||
| 80 | #ifdef CONFIG_CLOCK_80MHZ | |
| 81 | #define CONFIG_CLOCK_MULT 2441 | |
| 82 | #endif | |
| 83 | ||
| 84 | /* choose flash size, 4Mb or 8Mb */ | |
| 85 | #define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */ | |
| 86 | #undef CONFIG_FLASH_8MB /* board has 8Mb flash */ | |
| 87 | ||
| 88 | #define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */ | |
| 89 | ||
| 90 | #undef CONFIG_8xx_CONS_SMC1 | |
| 91 | #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ | |
| 92 | #undef CONFIG_8xx_CONS_NONE | |
| 93 | ||
| 94 | #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */ | |
| 95 | ||
| 96 | #undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */ | |
| 97 | ||
| 98 | /* Define default IP addresses */ | |
| 99 | #define CONFIG_IPADDR 192.168.1.99 /* own ip address */ | |
| 100 | #define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */ | |
| 101 | ||
| 102 | /* message to say directly after booting */ | |
| 103 | #define CONFIG_PREBOOT "echo '';" \ | |
| 104 | "echo 'type:';" \ | |
| 105 | "echo 'run boot_nfs to boot to NFS';" \ | |
| 106 | "echo 'run boot_flash to boot to flash';" \ | |
| 107 | "echo '';" \ | |
| 108 | "echo 'run flash_rootfs to install a new rootfs';" \ | |
| 109 | "echo 'run flash_env to clear the env sector';" \ | |
| 110 | "echo 'run flash_rw to clear the rw fs';" \ | |
| 111 | "echo 'run flash_uboot to install a new u-boot';" \ | |
| 112 | "echo 'run flash_kernel to install a new kernel';" | |
| 113 | ||
| 114 | /* wait 5 seconds before executing CONFIG_BOOTCOMMAND */ | |
| 115 | #define CONFIG_BOOTDELAY 5 | |
| 116 | #define CONFIG_BOOTCOMMAND "run boot_nfs" | |
| 117 | ||
| 118 | #undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */ | |
| 119 | ||
| 120 | /* Our flash filesystem looks like this | |
| 121 | * | |
| 122 | * 4Mb board: | |
| 123 | * ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb) | |
| 124 | * ffec 0000 - ffed ffff read-write filesystem (ext2) | |
| 125 | * ffee 0000 - ffef ffff environment | |
| 126 | * fff0 0000 - fff1 ffff u-boot | |
| 127 | * fff2 0000 - ffff ffff linux kernel | |
| 128 | * | |
| 129 | * 8Mb board: | |
| 130 | * ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb) | |
| 131 | * ffec 0000 - ffed ffff read-write filesystem (ext2) | |
| 132 | * ffee 0000 - ffef ffff environment | |
| 133 | * fff0 0000 - fff1 ffff u-boot | |
| 134 | * fff2 0000 - ffff ffff linux kernel | |
| 135 | * | |
| 136 | */ | |
| 137 | ||
| 138 | /* environment for 4Mb board */ | |
| 139 | #ifdef CONFIG_FLASH_4MB | |
| 140 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
| 141 | "serial#=QS823\0" \ | |
| 142 | "hostname=qs823\0" \ | |
| 143 | "netdev=eth0\0" \ | |
| 144 | "ethaddr=00:01:02:B4:36:56\0" \ | |
| 145 | "rootpath=/exports/rootfs\0" \ | |
| 146 | "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \ | |
| 147 | /* fill in variables */ \ | |
| 148 | "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \ | |
| 149 | "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \ | |
| 150 | "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \ | |
| 151 | /* commands */ \ | |
| 152 | "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \ | |
| 153 | "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \ | |
| 154 | /* reinstall flash parts */ \ | |
| 155 | "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \ | |
| 156 | "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \ | |
| 157 | "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \ | |
| 158 | "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \ | |
| 159 | "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0" | |
| 160 | #endif /* CONFIG_FLASH_4MB */ | |
| 161 | ||
| 162 | /* environment for 8Mb board */ | |
| 163 | #ifdef CONFIG_FLASH_8MB | |
| 164 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
| 165 | "serial#=QS823\0" \ | |
| 166 | "hostname=qs823\0" \ | |
| 167 | "netdev=eth0\0" \ | |
| 168 | "ethaddr=00:01:02:B4:36:56\0" \ | |
| 169 | "rootpath=/exports/rootfs\0" \ | |
| 170 | "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \ | |
| 171 | /* fill in variables */ \ | |
| 172 | "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \ | |
| 173 | "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \ | |
| 174 | "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \ | |
| 175 | /* commands */ \ | |
| 176 | "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \ | |
| 177 | "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \ | |
| 178 | /* reinstall flash parts */ \ | |
| 179 | "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \ | |
| 180 | "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \ | |
| 181 | "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \ | |
| 182 | "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \ | |
| 183 | "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0" | |
| 184 | #endif /* CONFIG_FLASH_8MB */ | |
| 185 | ||
| 186 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
| 187 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
| 188 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
| 189 | #undef CONFIG_STATUS_LED /* Status LED disabled */ | |
| 190 | #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ | |
| 191 | ||
| 192 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) | |
| 193 | ||
| 194 | #undef CONFIG_MAC_PARTITION | |
| 195 | #undef CONFIG_DOS_PARTITION | |
| 196 | ||
| 197 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
| 198 | ||
| 199 | #define CONFIG_COMMANDS (CFG_CMD_BDI | \ | |
| 200 | CFG_CMD_BOOTD | \ | |
| 201 | CFG_CMD_CONSOLE | \ | |
| 202 | CFG_CMD_DATE | \ | |
| 203 | CFG_CMD_ENV | \ | |
| 204 | CFG_CMD_FLASH | \ | |
| 205 | CFG_CMD_IMI | \ | |
| 206 | CFG_CMD_IMMAP | \ | |
| 207 | CFG_CMD_MEMORY | \ | |
| 208 | CFG_CMD_NET | \ | |
| 209 | CFG_CMD_RUN) | |
| 210 | ||
| 211 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
| 212 | #include <cmd_confdefs.h> | |
| 213 | ||
| 214 | /*----------------------------------------------------------------------- | |
| 215 | * Environment variable storage is in FLASH, one sector before U-boot | |
| 216 | */ | |
| 217 | #define CFG_ENV_IS_IN_FLASH 1 | |
| 218 | #define CFG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */ | |
| 219 | #define CFG_ENV_SIZE 0x2000 /* 8kb */ | |
| 220 | #define CFG_ENV_ADDR 0xffee0000 /* address of env sector */ | |
| 221 | ||
| 222 | /*----------------------------------------------------------------------- | |
| 223 | * Miscellaneous configurable options | |
| 224 | */ | |
| 225 | #define CFG_LONGHELP /* undef to save memory */ | |
| 226 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
| 227 | ||
| 228 | #define CFG_HUSH_PARSER 1 /* use "hush" command parser */ | |
| 229 | #define CFG_PROMPT_HUSH_PS2 "> " | |
| 230 | ||
| 231 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
| 232 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ | |
| 233 | #else | |
| 234 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
| 235 | #endif | |
| 236 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
| 237 | #define CFG_MAXARGS 16 /* max number of command args */ | |
| 238 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
| 239 | ||
| 240 | #define CFG_MEMTEST_START 0x0400000 /* memtest works */ | |
| 241 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
| 242 | ||
| 243 | #define CFG_LOAD_ADDR 0x400000 /* default load address */ | |
| 244 | ||
| 245 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
| 246 | ||
| 247 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
| 248 | ||
| 249 | /*----------------------------------------------------------------------- | |
| 250 | * Low Level Configuration Settings | |
| 251 | * (address mappings, register initial values, etc.) | |
| 252 | * You should know what you are doing if you make changes here. | |
| 253 | */ | |
| 254 | ||
| 255 | /*----------------------------------------------------------------------- | |
| 256 | * Internal Memory Mapped Register | |
| 257 | */ | |
| 258 | #define CFG_IMMR 0xFF000000 | |
| 259 | ||
| 260 | /*----------------------------------------------------------------------- | |
| 261 | * Definitions for initial stack pointer and data area (in DPRAM) | |
| 262 | */ | |
| 263 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
| 264 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
| 265 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
| 266 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
| 267 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
| 268 | ||
| 269 | /*----------------------------------------------------------------------- | |
| 270 | * Start addresses for the final memory configuration | |
| 271 | * (Set up by the startup code) | |
| 272 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
| 273 | */ | |
| 274 | #define CFG_SDRAM_BASE 0x00000000 | |
| 275 | #define CFG_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */ | |
| 276 | ||
| 277 | #define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */ | |
| 278 | #define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */ | |
| 279 | ||
| 280 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ | |
| 281 | #define CFG_MONITOR_BASE 0xFFF00000 /* U-boot location */ | |
| 282 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
| 283 | ||
| 284 | /* | |
| 285 | * For booting Linux, the board info and command line data | |
| 286 | * have to be in the first 8 MB of memory, since this is | |
| 287 | * the maximum mapped by the Linux kernel during initialization. | |
| 288 | */ | |
| 289 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
| 290 | ||
| 291 | /*----------------------------------------------------------------------- | |
| 292 | * TODO flash parameters | |
| 293 | * FLASH organization for Intel Strataflash | |
| 294 | */ | |
| 295 | #undef CFG_FLASH_16BIT /* 32-bit wide flash memory */ | |
| 296 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
| 297 | #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ | |
| 298 | ||
| 299 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
| 300 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
| 301 | ||
| 302 | /*----------------------------------------------------------------------- | |
| 303 | * Cache Configuration | |
| 304 | */ | |
| 305 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
| 306 | #if (CONFIG_COMMANDS & CFG_CMD_KGDB) | |
| 307 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ | |
| 308 | #endif | |
| 309 | ||
| 310 | /*----------------------------------------------------------------------- | |
| 311 | * SYPCR - System Protection Control 11-9 | |
| 312 | * SYPCR can only be written once after reset! | |
| 313 | *----------------------------------------------------------------------- | |
| 314 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
| 315 | */ | |
| 316 | ||
| 317 | #ifdef CONFIG_WATCHDOG | |
| 318 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP) | |
| 319 | #else | |
| 320 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP) | |
| 321 | #endif | |
| 322 | ||
| 323 | /*----------------------------------------------------------------------- | |
| 324 | * SIUMCR - SIU Module Configuration 11-6 | |
| 325 | *----------------------------------------------------------------------- | |
| 326 | */ | |
| 327 | #define CFG_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E) | |
| 328 | ||
| 329 | /*----------------------------------------------------------------------- | |
| 330 | * TBSCR - Time Base Status and Control 11-26 | |
| 331 | *----------------------------------------------------------------------- | |
| 332 | */ | |
| 333 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
| 334 | ||
| 335 | /*----------------------------------------------------------------------- | |
| 336 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
| 337 | *----------------------------------------------------------------------- | |
| 338 | */ | |
| 339 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
| 340 | ||
| 341 | /*----------------------------------------------------------------------- | |
| 342 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
| 343 | *----------------------------------------------------------------------- | |
| 344 | */ | |
| 345 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
| 346 | ||
| 347 | /*----------------------------------------------------------------------- | |
| 348 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
| 349 | *----------------------------------------------------------------------- | |
| 350 | */ | |
| 351 | ||
| 352 | /* MF (Multiplication Factor of SPLL) */ | |
| 353 | /* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */ | |
| 354 | #define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20) | |
| 355 | #define CFG_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE) | |
| 356 | ||
| 357 | /*----------------------------------------------------------------------- | |
| 358 | * SCCR - System Clock and reset Control Register 15-27 | |
| 359 | *----------------------------------------------------------------------- | |
| 360 | */ | |
| 361 | #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ) | |
| 362 | #define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00) | |
| 363 | #define CFG_BRGCLK_PRESCALE 1 | |
| 364 | #endif | |
| 365 | ||
| 366 | #if defined(CONFIG_CLOCK_66MHZ) | |
| 367 | #define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01) | |
| 368 | #define CFG_BRGCLK_PRESCALE 4 | |
| 369 | #endif | |
| 370 | ||
| 371 | #if defined(CONFIG_CLOCK_80MHZ) | |
| 372 | #define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01) | |
| 373 | #define CFG_BRGCLK_PRESCALE 4 | |
| 374 | #endif | |
| 375 | ||
| 376 | #define SCCR_MASK CFG_SCCR | |
| 377 | ||
| 378 | /*----------------------------------------------------------------------- | |
| 379 | * Debug Enable Register | |
| 380 | * 0x73E67C0F - All interrupts handled by BDM | |
| 381 | * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM | |
| 382 | *----------------------------------------------------------------------- | |
| 383 | #define CFG_DER 0x73E67C0F | |
| 384 | #define CFG_DER 0x0082400F | |
| 385 | ||
| 386 | #------------------------------------------------------------------------- | |
| 387 | # Program the Debug Enable Register (DER). This register provides the user | |
| 388 | # with the reason for entering into the debug mode. We want all conditions | |
| 389 | # to end up as an exception. We don't want to enter into debug mode for | |
| 390 | # any condition. See the back of of the Development Support section of the | |
| 391 | # MPC860 User Manual for a description of this register. | |
| 392 | #------------------------------------------------------------------------- | |
| 393 | */ | |
| 394 | #define CFG_DER 0 | |
| 395 | ||
| 396 | /*----------------------------------------------------------------------- | |
| 397 | * Memory Controller Initialization Constants | |
| 398 | *----------------------------------------------------------------------- | |
| 399 | */ | |
| 400 | ||
| 401 | /* | |
| 402 | * BR0 and OR0 (AMD dual FLASH devices) | |
| 403 | * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation) | |
| 404 | */ | |
| 405 | #define CFG_PRELIM_OR_AM | |
| 406 | #define CFG_OR_TIMING_FLASH | |
| 407 | ||
| 408 | /* | |
| 409 | *----------------------------------------------------------------------- | |
| 410 | * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32) | |
| 411 | * flash that resides on the QS823. | |
| 412 | *----------------------------------------------------------------------- | |
| 413 | */ | |
| 414 | ||
| 415 | /* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */ | |
| 416 | /* represents a minumum 32K block size. */ | |
| 417 | #define vBR0_BA ((0xFF80 << 16) + (0 << 15)) | |
| 418 | #define CFG_BR0_PRELIM (vBR0_BA | BR_V) | |
| 419 | ||
| 420 | /* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */ | |
| 421 | /* which defines a 8 Mbyte memory block. */ | |
| 422 | #define vOR0_AM ((0xFF80 << 16) + (0 << 15)) | |
| 423 | ||
| 424 | #if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ) | |
| 425 | /* 0101 = Add a 5 clock cycle wait state */ | |
| 426 | #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK) | |
| 427 | #endif | |
| 428 | ||
| 429 | #if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ) | |
| 430 | /* 0011 = Add a 3 clock cycle wait state */ | |
| 431 | /* 29.8ns clock * (3 + 2) = 149ns cycle time */ | |
| 432 | #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK) | |
| 433 | #endif | |
| 434 | ||
| 435 | #if defined(CONFIG_CLOCK_16MHZ) | |
| 436 | /* 0010 = Add a 2 clock cycle wait state */ | |
| 437 | #define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK) | |
| 438 | #endif | |
| 439 | ||
| 440 | /* | |
| 441 | * BR1 and OR1 (SDRAM) | |
| 442 | * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation) | |
| 443 | * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation) | |
| 444 | * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation) | |
| 445 | * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation) | |
| 446 | */ | |
| 447 | ||
| 448 | #define SDRAM_BASE 0x00000000 /* SDRAM bank */ | |
| 449 | #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */ | |
| 450 | ||
| 451 | /* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which | |
| 452 | * represents a 128 Mbyte block the DRAM in | |
| 453 | * this address base. | |
| 454 | */ | |
| 455 | #define vOR1_AM ((0xF800 << 16) + (0 << 15)) | |
| 456 | #define vBR1_BA ((0x0000 << 16) + (0 << 15)) | |
| 457 | #define CFG_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI) | |
| 458 | #define CFG_BR1 (vBR1_BA | BR_MS_UPMA | BR_V) | |
| 459 | ||
| 460 | /* Machine A Mode Register */ | |
| 461 | ||
| 462 | /* PTA Periodic Timer A */ | |
| 463 | ||
| 464 | #if defined(CONFIG_CLOCK_80MHZ) | |
| 465 | #define vMAMR_PTA (19 << 24) | |
| 466 | #endif | |
| 467 | ||
| 468 | #if defined(CONFIG_CLOCK_66MHZ) | |
| 469 | #define vMAMR_PTA (16 << 24) | |
| 470 | #endif | |
| 471 | ||
| 472 | #if defined(CONFIG_CLOCK_50MHZ) | |
| 473 | #define vMAMR_PTA (195 << 24) | |
| 474 | #endif | |
| 475 | ||
| 476 | #if defined(CONFIG_CLOCK_33MHZ) | |
| 477 | #define vMAMR_PTA (131 << 24) | |
| 478 | #endif | |
| 479 | ||
| 480 | #if defined(CONFIG_CLOCK_16MHZ) | |
| 481 | #define vMAMR_PTA (65 << 24) | |
| 482 | #endif | |
| 483 | ||
| 484 | /* For boards with 16M of SDRAM */ | |
| 485 | #define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */ | |
| 486 | #define CFG_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\ | |
| 487 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
| 488 | ||
| 489 | /* For boards with 32M of SDRAM */ | |
| 490 | #define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */ | |
| 491 | #define CFG_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\ | |
| 492 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
| 493 | ||
| 494 | ||
| 495 | /* Memory Periodic Timer Prescaler Register */ | |
| 496 | ||
| 497 | #if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ) | |
| 498 | /* Divide by 32 */ | |
| 499 | #define CFG_MPTPR 0x02 | |
| 500 | #endif | |
| 501 | ||
| 502 | #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ) | |
| 503 | /* Divide by 16 */ | |
| 504 | #define CFG_MPTPR 0x04 | |
| 505 | #endif | |
| 506 | ||
| 507 | /* | |
| 508 | * BR2 and OR2 (Unused) | |
| 509 | * Base address = 0xF020_0000 - 0xF020_0FFF | |
| 510 | * | |
| 511 | */ | |
| 512 | #define CFG_OR2_PRELIM 0xFFF00000 | |
| 513 | #define CFG_BR2_PRELIM 0xF0200000 | |
| 514 | ||
| 515 | /* | |
| 516 | * BR3 and OR3 (External Bus CS3) | |
| 517 | * Base address = 0xF030_0000 - 0xF030_0FFF | |
| 518 | * | |
| 519 | */ | |
| 520 | #define CFG_OR3_PRELIM 0xFFF00000 | |
| 521 | #define CFG_BR3_PRELIM 0xF0300000 | |
| 522 | ||
| 523 | /* | |
| 524 | * BR4 and OR4 (External Bus CS3) | |
| 525 | * Base address = 0xF040_0000 - 0xF040_0FFF | |
| 526 | * | |
| 527 | */ | |
| 528 | #define CFG_OR4_PRELIM 0xFFF00000 | |
| 529 | #define CFG_BR4_PRELIM 0xF0400000 | |
| 530 | ||
| 531 | ||
| 532 | /* | |
| 533 | * BR4 and OR4 (External Bus CS3) | |
| 534 | * Base address = 0xF050_0000 - 0xF050_0FFF | |
| 535 | * | |
| 536 | */ | |
| 537 | #define CFG_OR5_PRELIM 0xFFF00000 | |
| 538 | #define CFG_BR5_PRELIM 0xF0500000 | |
| 539 | ||
| 540 | /* | |
| 541 | * BR6 and OR6 (Unused) | |
| 542 | * Base address = 0xF060_0000 - 0xF060_0FFF | |
| 543 | * | |
| 544 | */ | |
| 545 | #define CFG_OR6_PRELIM 0xFFF00000 | |
| 546 | #define CFG_BR6_PRELIM 0xF0600000 | |
| 547 | ||
| 548 | /* | |
| 549 | * BR7 and OR7 (Unused) | |
| 550 | * Base address = 0xF070_0000 - 0xF070_0FFF | |
| 551 | * | |
| 552 | */ | |
| 553 | #define CFG_OR7_PRELIM 0xFFF00000 | |
| 554 | #define CFG_BR7_PRELIM 0xF0700000 | |
| 555 | ||
| 556 | /* | |
| 557 | * Internal Definitions | |
| 558 | * | |
| 559 | * Boot Flags | |
| 560 | */ | |
| 561 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
| 562 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
| 563 | ||
| 564 | /* | |
| 565 | * Sanity checks | |
| 566 | */ | |
| 567 | #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET) | |
| 568 | #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured | |
| 569 | #endif | |
| 570 | ||
| 571 | #endif /* __CONFIG_H */ |