wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 1 | /* |
wdenk | 414eec3 | 2005-04-02 22:37:54 +0000 | [diff] [blame] | 2 | * (C) Copyright 2000-2005 |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 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_MPC823 1 /* This is a MPC823 CPU */ |
| 37 | #define CONFIG_R360MPI 1 |
| 38 | |
| 39 | #define CONFIG_LCD |
| 40 | #undef CONFIG_EDT32F10 |
| 41 | #define CONFIG_SHARP_LQ057Q3DC02 |
| 42 | |
wdenk | d791b1d | 2003-04-20 14:04:18 +0000 | [diff] [blame] | 43 | #define CONFIG_SPLASH_SCREEN |
| 44 | |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 45 | #define MPC8XX_FACT 1 /* Multiply by 1 */ |
| 46 | #define MPC8XX_XIN 50000000 /* 50 MHz in */ |
| 47 | #define CONFIG_8xx_GCLK_FREQ 50000000 /* define if can't use get_gclk_freq */ |
| 48 | |
| 49 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
| 50 | #undef CONFIG_8xx_CONS_SMC2 |
| 51 | #undef CONFIG_8xx_CONS_NONE |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 52 | #define CONFIG_BAUDRATE 115200 /* console baudrate in bps */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 53 | #if 0 |
wdenk | cb4dbb7 | 2003-07-16 16:40:22 +0000 | [diff] [blame] | 54 | #define CONFIG_BOOTDELAY 0 /* immediate boot */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 55 | #else |
| 56 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ |
| 57 | #endif |
| 58 | |
| 59 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ |
| 60 | |
Wolfgang Denk | 32bf3d1 | 2008-03-03 12:16:44 +0100 | [diff] [blame] | 61 | #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 62 | |
| 63 | #undef CONFIG_BOOTARGS |
| 64 | #define CONFIG_BOOTCOMMAND \ |
Wolfgang Denk | 53677ef | 2008-05-20 16:00:29 +0200 | [diff] [blame] | 65 | "bootp; " \ |
| 66 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ |
| 67 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 68 | "bootm" |
| 69 | |
| 70 | #undef CONFIG_SCC1_ENET |
| 71 | #define CONFIG_SCC2_ENET |
| 72 | |
| 73 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ |
| 74 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
| 75 | |
| 76 | #define CONFIG_MISC_INIT_R /* have misc_init_r() function */ |
| 77 | |
| 78 | #undef CONFIG_WATCHDOG /* watchdog disabled */ |
| 79 | |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 80 | #define CONFIG_CAN_DRIVER /* CAN Driver support enabled */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 81 | |
Jon Loeliger | 18225e8 | 2007-07-09 21:31:24 -0500 | [diff] [blame] | 82 | /* |
| 83 | * BOOTP options |
| 84 | */ |
| 85 | #define CONFIG_BOOTP_SUBNETMASK |
| 86 | #define CONFIG_BOOTP_GATEWAY |
| 87 | #define CONFIG_BOOTP_HOSTNAME |
| 88 | #define CONFIG_BOOTP_BOOTPATH |
| 89 | #define CONFIG_BOOTP_BOOTFILESIZE |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 90 | |
| 91 | #define CONFIG_MAC_PARTITION |
| 92 | #define CONFIG_DOS_PARTITION |
| 93 | |
| 94 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ |
| 95 | |
| 96 | #define CONFIG_HARD_I2C 1 /* To I2C with hardware support */ |
| 97 | #undef CONFIG_SORT_I2C /* To I2C with software support */ |
| 98 | #define CFG_I2C_SPEED 4700 /* I2C speed and slave address */ |
| 99 | #define CFG_I2C_SLAVE 0x7F |
| 100 | |
| 101 | /* |
| 102 | * Software (bit-bang) I2C driver configuration |
| 103 | */ |
| 104 | #define PB_SCL 0x00000020 /* PB 26 */ |
| 105 | #define PB_SDA 0x00000010 /* PB 27 */ |
| 106 | |
| 107 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) |
| 108 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) |
| 109 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) |
| 110 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) |
| 111 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ |
| 112 | else immr->im_cpm.cp_pbdat &= ~PB_SDA |
| 113 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ |
| 114 | else immr->im_cpm.cp_pbdat &= ~PB_SCL |
| 115 | #define I2C_DELAY udelay(50) |
| 116 | |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 117 | #define CFG_I2C_LCD_ADDR 0x8 /* LCD Control */ |
| 118 | #define CFG_I2C_KEY_ADDR 0x9 /* Keyboard coprocessor */ |
| 119 | #define CFG_I2C_TEM_ADDR 0x49 /* Temperature Sensors */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 120 | |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 121 | |
Jon Loeliger | e9a0f8f | 2007-07-08 15:12:40 -0500 | [diff] [blame] | 122 | /* |
| 123 | * Command line configuration. |
| 124 | */ |
| 125 | #include <config_cmd_default.h> |
| 126 | |
| 127 | #define CONFIG_CMD_BMP |
| 128 | #define CONFIG_CMD_BSP |
| 129 | #define CONFIG_CMD_DATE |
| 130 | #define CONFIG_CMD_DHCP |
| 131 | #define CONFIG_CMD_I2C |
| 132 | #define CONFIG_CMD_IDE |
| 133 | #define CONFIG_CMD_JFFS2 |
| 134 | #define CONFIG_CMD_NFS |
| 135 | #define CONFIG_CMD_PCMCIA |
| 136 | #define CONFIG_CMD_SNTP |
| 137 | |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 138 | |
| 139 | /* |
| 140 | * Miscellaneous configurable options |
| 141 | */ |
wdenk | cb4dbb7 | 2003-07-16 16:40:22 +0000 | [diff] [blame] | 142 | #define CFG_DEVICE_NULLDEV 1 /* we need the null device */ |
| 143 | #define CFG_CONSOLE_IS_IN_ENV 1 /* must set console from env */ |
| 144 | |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 145 | #define CFG_LONGHELP /* undef to save memory */ |
| 146 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ |
Jon Loeliger | e9a0f8f | 2007-07-08 15:12:40 -0500 | [diff] [blame] | 147 | #if defined(CONFIG_CMD_KGDB) |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 148 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
| 149 | #else |
| 150 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| 151 | #endif |
| 152 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
| 153 | #define CFG_MAXARGS 16 /* max number of command args */ |
| 154 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| 155 | |
| 156 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ |
| 157 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ |
| 158 | |
| 159 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ |
| 160 | |
| 161 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
| 162 | |
| 163 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
| 164 | |
Wolfgang Denk | 700a0c6 | 2005-08-08 01:03:24 +0200 | [diff] [blame] | 165 | /* |
| 166 | * JFFS2 partitions |
| 167 | */ |
| 168 | /* No command line, one static partition |
| 169 | * use all the space starting at offset 3MB*/ |
| 170 | #undef CONFIG_JFFS2_CMDLINE |
| 171 | #define CONFIG_JFFS2_DEV "nor0" |
| 172 | #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF |
| 173 | #define CONFIG_JFFS2_PART_OFFSET 0x00300000 |
| 174 | |
| 175 | /* mtdparts command line support */ |
| 176 | /* |
| 177 | #define CONFIG_JFFS2_CMDLINE |
| 178 | #define MTDIDS_DEFAULT "nor0=r360-0" |
| 179 | #define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)" |
| 180 | */ |
wdenk | cb4dbb7 | 2003-07-16 16:40:22 +0000 | [diff] [blame] | 181 | |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 182 | /* |
| 183 | * Low Level Configuration Settings |
| 184 | * (address mappings, register initial values, etc.) |
| 185 | * You should know what you are doing if you make changes here. |
| 186 | */ |
| 187 | /*----------------------------------------------------------------------- |
| 188 | * Internal Memory Mapped Register |
| 189 | */ |
| 190 | #define CFG_IMMR 0xFF000000 |
| 191 | |
| 192 | /*----------------------------------------------------------------------- |
| 193 | * Definitions for initial stack pointer and data area (in DPRAM) |
| 194 | */ |
| 195 | #define CFG_INIT_RAM_ADDR CFG_IMMR |
| 196 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
| 197 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ |
| 198 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
| 199 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
| 200 | |
| 201 | /*----------------------------------------------------------------------- |
| 202 | * Start addresses for the final memory configuration |
| 203 | * (Set up by the startup code) |
| 204 | * Please note that CFG_SDRAM_BASE _must_ start at 0 |
| 205 | */ |
| 206 | #define CFG_SDRAM_BASE 0x00000000 |
| 207 | #define CFG_FLASH_BASE 0x40000000 |
| 208 | #if defined(DEBUG) |
| 209 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
| 210 | #else |
| 211 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
| 212 | #endif |
| 213 | #define CFG_MONITOR_BASE CFG_FLASH_BASE |
| 214 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
| 215 | |
| 216 | /* |
| 217 | * For booting Linux, the board info and command line data |
| 218 | * have to be in the first 8 MB of memory, since this is |
| 219 | * the maximum mapped by the Linux kernel during initialization. |
| 220 | */ |
| 221 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
| 222 | |
| 223 | /*----------------------------------------------------------------------- |
| 224 | * FLASH organization |
| 225 | */ |
| 226 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| 227 | #define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */ |
| 228 | |
| 229 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
| 230 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ |
| 231 | |
| 232 | #define CFG_ENV_IS_IN_FLASH 1 |
| 233 | #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment */ |
| 234 | #define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */ |
| 235 | #define CFG_ENV_SIZE 0x4000 /* Used Size of Environment sector */ |
Wolfgang Denk | 67c3103 | 2007-09-16 17:10:04 +0200 | [diff] [blame] | 236 | #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 237 | |
| 238 | /*----------------------------------------------------------------------- |
| 239 | * Cache Configuration |
| 240 | */ |
| 241 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
Jon Loeliger | e9a0f8f | 2007-07-08 15:12:40 -0500 | [diff] [blame] | 242 | #if defined(CONFIG_CMD_KGDB) |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 243 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
| 244 | #endif |
| 245 | |
| 246 | /*----------------------------------------------------------------------- |
| 247 | * SYPCR - System Protection Control 11-9 |
| 248 | * SYPCR can only be written once after reset! |
| 249 | *----------------------------------------------------------------------- |
| 250 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze |
| 251 | */ |
| 252 | #if defined(CONFIG_WATCHDOG) |
| 253 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
| 254 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
| 255 | #else |
| 256 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
| 257 | #endif |
| 258 | |
| 259 | /*----------------------------------------------------------------------- |
| 260 | * SIUMCR - SIU Module Configuration 11-6 |
| 261 | *----------------------------------------------------------------------- |
| 262 | * PCMCIA config., multi-function pin tri-state |
| 263 | */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 264 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 265 | |
| 266 | /*----------------------------------------------------------------------- |
| 267 | * TBSCR - Time Base Status and Control 11-26 |
| 268 | *----------------------------------------------------------------------- |
| 269 | * Clear Reference Interrupt Status, Timebase freezing enabled |
| 270 | */ |
| 271 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) |
| 272 | |
| 273 | /*----------------------------------------------------------------------- |
| 274 | * RTCSC - Real-Time Clock Status and Control Register 11-27 |
| 275 | *----------------------------------------------------------------------- |
| 276 | */ |
| 277 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
| 278 | |
| 279 | /*----------------------------------------------------------------------- |
| 280 | * PISCR - Periodic Interrupt Status and Control 11-31 |
| 281 | *----------------------------------------------------------------------- |
| 282 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled |
| 283 | */ |
| 284 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) |
| 285 | |
| 286 | /*----------------------------------------------------------------------- |
| 287 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 |
| 288 | *----------------------------------------------------------------------- |
| 289 | * Reset PLL lock status sticky bit, timer expired status bit and timer |
| 290 | * interrupt status bit |
| 291 | * |
| 292 | * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! |
| 293 | */ |
| 294 | #ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */ |
| 295 | #define CFG_PLPRCR \ |
| 296 | ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST ) |
| 297 | #else /* up to 50 MHz we use a 1:1 clock */ |
| 298 | #define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
| 299 | #endif /* CONFIG_80MHz */ |
| 300 | |
| 301 | /*----------------------------------------------------------------------- |
| 302 | * SCCR - System Clock and reset Control Register 15-27 |
| 303 | *----------------------------------------------------------------------- |
| 304 | * Set clock output, timebase and RTC source and divider, |
| 305 | * power management and some other internal clocks |
| 306 | */ |
| 307 | #define SCCR_MASK SCCR_EBDF11 |
| 308 | #define CFG_SCCR (SCCR_TBS | \ |
| 309 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
| 310 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
| 311 | SCCR_DFALCD00) |
| 312 | |
| 313 | /*----------------------------------------------------------------------- |
| 314 | * PCMCIA stuff |
| 315 | *----------------------------------------------------------------------- |
| 316 | * |
| 317 | */ |
| 318 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) |
| 319 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) |
| 320 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) |
| 321 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) |
| 322 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) |
| 323 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) |
| 324 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) |
| 325 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) |
| 326 | |
| 327 | /*----------------------------------------------------------------------- |
| 328 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) |
| 329 | *----------------------------------------------------------------------- |
| 330 | */ |
| 331 | |
| 332 | #if 1 |
| 333 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
| 334 | |
| 335 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ |
| 336 | #undef CONFIG_IDE_LED /* LED for ide not supported */ |
| 337 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ |
| 338 | |
| 339 | #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ |
| 340 | #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ |
| 341 | |
| 342 | #define CFG_ATA_IDE0_OFFSET 0x0000 |
| 343 | |
| 344 | #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR |
| 345 | |
| 346 | /* Offset for data I/O */ |
| 347 | #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) |
| 348 | |
| 349 | /* Offset for normal register accesses */ |
| 350 | #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) |
| 351 | |
| 352 | /* Offset for alternate registers */ |
| 353 | #define CFG_ATA_ALT_OFFSET 0x0100 |
| 354 | #endif |
| 355 | |
| 356 | /*----------------------------------------------------------------------- |
| 357 | * |
| 358 | *----------------------------------------------------------------------- |
| 359 | * |
| 360 | */ |
wdenk | 3b57fe0 | 2003-05-30 12:48:29 +0000 | [diff] [blame] | 361 | #define CFG_DER 0 |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 362 | |
| 363 | /* |
| 364 | * Init Memory Controller: |
| 365 | * |
| 366 | * BR0/1 and OR0/1 (FLASH) |
| 367 | */ |
| 368 | |
| 369 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ |
| 370 | |
| 371 | /* used to re-map FLASH both when starting from SRAM or FLASH: |
| 372 | * restrict access enough to keep SRAM working (if any) |
| 373 | * but not too much to meddle with FLASH accesses |
| 374 | */ |
| 375 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ |
| 376 | #define CFG_PRELIM_OR_AM 0xFF000000 /* OR addr mask */ |
| 377 | |
| 378 | /* |
| 379 | * FLASH timing: |
| 380 | */ |
| 381 | #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_SCY_7_CLK | OR_BI) |
| 382 | |
| 383 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) |
| 384 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) |
| 385 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) |
| 386 | |
| 387 | |
| 388 | /* |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 389 | * BR2 and OR2 (SDRAM) |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 390 | * |
| 391 | */ |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 392 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 393 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ |
| 394 | |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 395 | #define CFG_PRELIM_OR2_AM 0xF8000000 /* OR addr mask */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 396 | |
| 397 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
| 398 | #define CFG_OR_TIMING_SDRAM (OR_ACS_DIV1 | OR_CSNT_SAM | \ |
| 399 | OR_SCY_0_CLK | OR_G5LS) |
| 400 | |
wdenk | 4a6fd34 | 2003-04-12 23:38:12 +0000 | [diff] [blame] | 401 | #define CFG_OR2_PRELIM (CFG_PRELIM_OR2_AM | CFG_OR_TIMING_SDRAM ) |
| 402 | #define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) |
| 403 | |
| 404 | /* |
| 405 | * BR3 and OR3 (CAN Controller) |
| 406 | */ |
| 407 | #ifdef CONFIG_CAN_DRIVER |
| 408 | #define CFG_CAN_BASE 0xC0000000 /* CAN base address */ |
| 409 | #define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */ |
| 410 | #define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA |OR_BI) |
| 411 | #define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \ |
| 412 | BR_PS_8 | BR_MS_UPMB | BR_V) |
| 413 | #endif /* CONFIG_CAN_DRIVER */ |
wdenk | ce23b15 | 2002-10-24 23:29:41 +0000 | [diff] [blame] | 414 | |
| 415 | |
| 416 | /* |
| 417 | * Memory Periodic Timer Prescaler |
| 418 | * |
| 419 | * The Divider for PTA (refresh timer) configuration is based on an |
| 420 | * example SDRAM configuration (64 MBit, one bank). The adjustment to |
| 421 | * the number of chip selects (NCS) and the actually needed refresh |
| 422 | * rate is done by setting MPTPR. |
| 423 | * |
| 424 | * PTA is calculated from |
| 425 | * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) |
| 426 | * |
| 427 | * gclk CPU clock (not bus clock!) |
| 428 | * Trefresh Refresh cycle * 4 (four word bursts used) |
| 429 | * |
| 430 | * 4096 Rows from SDRAM example configuration |
| 431 | * 1000 factor s -> ms |
| 432 | * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration |
| 433 | * 4 Number of refresh cycles per period |
| 434 | * 64 Refresh cycle in ms per number of rows |
| 435 | * -------------------------------------------- |
| 436 | * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 |
| 437 | * |
| 438 | * 50 MHz => 50.000.000 / Divider = 98 |
| 439 | * 66 Mhz => 66.000.000 / Divider = 129 |
| 440 | * 80 Mhz => 80.000.000 / Divider = 156 |
| 441 | */ |
| 442 | #if defined(CONFIG_80MHz) |
| 443 | #define CFG_MAMR_PTA 156 |
| 444 | #elif defined(CONFIG_66MHz) |
| 445 | #define CFG_MAMR_PTA 129 |
| 446 | #else /* 50 MHz */ |
| 447 | #define CFG_MAMR_PTA 98 |
| 448 | #endif /*CONFIG_??MHz */ |
| 449 | |
| 450 | /* |
| 451 | * For 16 MBit, refresh rates could be 31.3 us |
| 452 | * (= 64 ms / 2K = 125 / quad bursts). |
| 453 | * For a simpler initialization, 15.6 us is used instead. |
| 454 | * |
| 455 | * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks |
| 456 | * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank |
| 457 | */ |
| 458 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ |
| 459 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ |
| 460 | |
| 461 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ |
| 462 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ |
| 463 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ |
| 464 | |
| 465 | /* |
| 466 | * MAMR settings for SDRAM |
| 467 | */ |
| 468 | |
| 469 | /* 8 column SDRAM */ |
| 470 | #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
| 471 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
| 472 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
| 473 | /* 9 column SDRAM */ |
| 474 | #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
| 475 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ |
| 476 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
| 477 | |
| 478 | |
| 479 | /* |
| 480 | * Internal Definitions |
| 481 | * |
| 482 | * Boot Flags |
| 483 | */ |
| 484 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
| 485 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
| 486 | |
| 487 | #endif /* __CONFIG_H */ |