1/* 2 * (C) Copyright 2006 3 * Markus Klotzbuecher, DENX Software Engineering, mk@denx.de 4 * 5 * Configuation settings for the SPC1920 board. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22 23#ifndef __H 24#define __CONFIG_H 25 26#define CONFIG_SPC1920 1 /* SPC1920 board */ 27#define CONFIG_MPC885 1 /* MPC885 CPU */ 28 29#define CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */ 30#undef CONFIG_8xx_CONS_SMC2 31#undef CONFIG_8xx_CONS_NONE 32 33#define CONFIG_MII 34#define CONFIG_MII_INIT 1 35#undef CONFIG_ETHER_ON_FEC1 36#define CONFIG_ETHER_ON_FEC2 37#define FEC_ENET 38#define CONFIG_FEC2_PHY 1 39 40#define CONFIG_BAUDRATE 19200 41 42/* use PLD CLK4 instead of brg */ 43#define CONFIG_SYS_SPC1920_SMC1_CLK4 44 45#define CONFIG_8xx_OSCLK 10000000 /* 10 MHz oscillator on EXTCLK */ 46#define CONFIG_8xx_CPUCLK_DEFAULT 50000000 47#define CONFIG_SYS_8xx_CPUCLK_MIN 40000000 48#define CONFIG_SYS_8xx_CPUCLK_MAX 133000000 49 50#define CONFIG_SYS_RESET_ADDRESS 0xC0000000 51 52#define CONFIG_BOARD_EARLY_INIT_F 53#define CONFIG_LAST_STAGE_INIT 54 55#if 0 56#define CONFIG_BOOTDELAY -1 /* autoboot disabled */ 57#else 58#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ 59#endif 60 61#define CONFIG_ENV_OVERWRITE 62 63#define CONFIG_NFSBOOTCOMMAND \ 64 "dhcp;" \ 65 "setenv bootargs root=/dev/nfs rw nfsroot=$rootpath " \ 66 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \ 67 "bootm" 68 69#define CONFIG_BOOTCOMMAND \ 70 "setenv bootargs root=/dev/mtdblock2 rw mtdparts=phys:1280K(ROM)ro,-(root) "\ 71 "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:eth0:off;" \ 72 "bootm fe080000" 73 74#undef CONFIG_BOOTARGS 75 76#undef CONFIG_WATCHDOG /* watchdog disabled */ 77#define CONFIG_BZIP2 /* include support for bzip2 compressed images */ 78 79 80/* 81 * BOOTP options 82 */ 83#define CONFIG_BOOTP_BOOTFILESIZE 84#define CONFIG_BOOTP_BOOTPATH 85#define CONFIG_BOOTP_GATEWAY 86#define CONFIG_BOOTP_HOSTNAME 87 88 89/* 90 * Command line configuration. 91 */ 92#include <config_cmd_default.h> 93 94#define CONFIG_CMD_ASKENV 95#define CONFIG_CMD_DATE 96#define CONFIG_CMD_ECHO 97#define CONFIG_CMD_IMMAP 98#define CONFIG_CMD_JFFS2 99#define CONFIG_CMD_NET 100#define CONFIG_CMD_PING 101#define CONFIG_CMD_DHCP 102#define CONFIG_CMD_I2C 103#define CONFIG_CMD_MII 104 105/* 106 * Miscellaneous configurable options 107 */ 108#define CONFIG_SYS_LONGHELP /* undef to save memory */ 109#define CONFIG_SYS_PROMPT "=>" /* Monitor Command Prompt */ 110#define CONFIG_SYS_HUSH_PARSER 111#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " 112 113#if defined(CONFIG_CMD_KGDB) 114#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ 115#else 116#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 117#endif 118 119#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* Print Buffer Size */ 120#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 121#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 122 123#define CONFIG_SYS_LOAD_ADDR 0x00100000 124 125#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ 126 127#define CONFIG_SYS_BAUDRATE_TABLE { 2400, 4800, 9600, 19200 } 128 129/* 130 * Low Level Configuration Settings 131 * (address mappings, register initial values, etc.) 132 * You should know what you are doing if you make changes here. 133 */ 134 135/*----------------------------------------------------------------------- 136 * Internal Memory Mapped Register 137 */ 138#define CONFIG_SYS_IMMR 0xF0000000 139 140/*----------------------------------------------------------------------- 141 * Definitions for initial stack pointer and data area (in DPRAM) 142 */ 143#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR 144#define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ 145#define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ 146#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) 147#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET 148 149/*----------------------------------------------------------------------- 150 * Start addresses for the final memory configuration 151 * (Set up by the startup code) 152 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 153 */ 154#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */ 155#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ 156 157/* 158 * For booting Linux, the board info and command line data 159 * have to be in the first 8 MB of memory, since this is 160 * the maximum mapped by the Linux kernel during initialization. 161 */ 162#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ 163 164#define CONFIG_SYS_MONITOR_BASE TEXT_BASE 165#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 KB for monitor */ 166 167#ifdef CONFIG_BZIP2 168#define CONFIG_SYS_MALLOC_LEN (2500 << 10) /* Reserve ~2.5 MB for malloc() */ 169#else 170#define CONFIG_SYS_MALLOC_LEN (384 << 10) /* Reserve 384 kB for malloc() */ 171#endif /* CONFIG_BZIP2 */ 172 173#define CONFIG_SYS_ALLOC_DPRAM 1 /* use allocation routines */ 174 175/* 176 * Flash 177 */ 178/*----------------------------------------------------------------------- 179 * Flash organisation 180 */ 181#define CONFIG_SYS_FLASH_BASE 0xFE000000 182#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */ 183#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ 184#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* Max number of flash banks */ 185#define CONFIG_SYS_MAX_FLASH_SECT 128 /* Max num of sects on one chip */ 186 187/* Environment is in flash */ 188#define CONFIG_ENV_IS_IN_FLASH 189#define CONFIG_ENV_SECT_SIZE 0x40000 /* We use one complete sector */ 190#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) 191 192#define CONFIG_ENV_OVERWRITE 193 194/*----------------------------------------------------------------------- 195 * Cache Configuration 196 */ 197#define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ 198#define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ 199 200#ifdef CONFIG_CMD_DATE 201# define CONFIG_RTC_DS3231 202# define CONFIG_SYS_I2C_RTC_ADDR 0x68 203#endif 204 205/*----------------------------------------------------------------------- 206 * I2C configuration 207 */ 208#if defined(CONFIG_CMD_I2C) 209/* enable I2C and select the hardware/software driver */ 210#undef CONFIG_HARD_I2C /* I2C with hardware support */ 211#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ 212 213#define CONFIG_SYS_I2C_SPEED 93000 /* 93 kHz is supposed to work */ 214#define CONFIG_SYS_I2C_SLAVE 0xFE 215 216#ifdef CONFIG_SOFT_I2C 217/* 218 * Software (bit-bang) I2C driver configuration 219 */ 220#define PB_SCL 0x00000020 /* PB 26 */ 221#define PB_SDA 0x00000010 /* PB 27 */ 222 223#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) 224#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) 225#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) 226#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) 227#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ 228 else immr->im_cpm.cp_pbdat &= ~PB_SDA 229#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ 230 else immr->im_cpm.cp_pbdat &= ~PB_SCL 231#define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ 232#endif /* CONFIG_SOFT_I2C */ 233#endif 234 235/*----------------------------------------------------------------------- 236 * SYPCR - System Protection Control 11-9 237 * SYPCR can only be written once after reset! 238 *----------------------------------------------------------------------- 239 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze 240 */ 241#if defined(CONFIG_WATCHDOG) 242#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ 243 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) 244#else 245#define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) 246#endif 247 248/*----------------------------------------------------------------------- 249 * SIUMCR - SIU Module Configuration 11-6 250 *----------------------------------------------------------------------- 251 * PCMCIA config., multi-function pin tri-state 252 */ 253#define CONFIG_SYS_SIUMCR (SIUMCR_FRC) 254 255/*----------------------------------------------------------------------- 256 * TBSCR - Time Base Status and Control 11-26 257 *----------------------------------------------------------------------- 258 * Clear Reference Interrupt Status, Timebase freezing enabled 259 */ 260#define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) 261 262/*----------------------------------------------------------------------- 263 * PISCR - Periodic Interrupt Status and Control 11-31 264 *----------------------------------------------------------------------- 265 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled 266 */ 267#define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) 268 269/*----------------------------------------------------------------------- 270 * SCCR - System Clock and reset Control Register 15-27 271 *----------------------------------------------------------------------- 272 * Set clock output, timebase and RTC source and divider, 273 * power management and some other internal clocks 274 */ 275#define SCCR_MASK SCCR_EBDF11 276/* #define CONFIG_SYS_SCCR SCCR_TBS */ 277#define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ 278 SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ 279 SCCR_DFALCD00) 280 281/*----------------------------------------------------------------------- 282 * DER - Debug Enable Register 283 *----------------------------------------------------------------------- 284 * Set to zero to prevent the processor from entering debug mode 285 */ 286#define CONFIG_SYS_DER 0 287 288 289/* Because of the way the 860 starts up and assigns CS0 the entire 290 * address space, we have to set the memory controller differently. 291 * Normally, you write the option register first, and then enable the 292 * chip select by writing the base register. For CS0, you must write 293 * the base register first, followed by the option register. 294 */ 295 296 297/* 298 * Init Memory Controller: 299 */ 300 301/* BR0 and OR0 (FLASH) */ 302#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */ 303 304 305/* used to re-map FLASH both when starting from SRAM or FLASH: 306 * restrict access enough to keep SRAM working (if any) 307 * but not too much to meddle with FLASH accesses 308 */ 309#define CONFIG_SYS_REMAP_OR_AM 0x80000000 /* OR addr mask */ 310#define CONFIG_SYS_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ 311 312/* 313 * FLASH timing: 314 */ 315#define CONFIG_SYS_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ 316 OR_SCY_6_CLK | OR_EHTR | OR_BI) 317 318#define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) 319#define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) 320#define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) 321 322 323/* 324 * SDRAM CS1 UPMB 325 */ 326#define CONFIG_SYS_SDRAM_BASE 0x00000000 327#define CONFIG_SYS_SDRAM_BASE_PRELIM CONFIG_SYS_SDRAM_BASE 328#define SDRAM_MAX_SIZE 0x4000000 /* max 64 MB */ 329 330#define CONFIG_SYS_PRELIM_OR1_AM 0xF0000000 331/* #define CONFIG_SYS_OR1_TIMING OR_CSNT_SAM/\* | OR_G5LS /\\* *\\/ *\/ */ 332#define SDRAM_TIMING OR_SCY_0_CLK /* SDRAM-Timing */ 333 334#define CONFIG_SYS_OR1_PRELIM (CONFIG_SYS_PRELIM_OR1_AM | OR_CSNT_SAM | OR_G5LS | SDRAM_TIMING) 335#define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V) 336 337/* #define CONFIG_SYS_OR1_FINAL ((CONFIG_SYS_OR1_AM & OR_AM_MSK) | CONFIG_SYS_OR1_TIMING) */ 338/* #define CONFIG_SYS_BR1_FINAL ((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) */ 339 340#define CONFIG_SYS_PTB_PER_CLK ((4096 * 16 * 1000) / (4 * 64)) 341#define CONFIG_SYS_PTA_PER_CLK 195 342#define CONFIG_SYS_MBMR_PTB 195 343#define CONFIG_SYS_MPTPR MPTPR_PTP_DIV16 344#define CONFIG_SYS_MAR 0x88 345 346#define CONFIG_SYS_MBMR_8COL ((CONFIG_SYS_MBMR_PTB << MBMR_PTB_SHIFT) | \ 347 MBMR_AMB_TYPE_0 | \ 348 MBMR_G0CLB_A10 | \ 349 MBMR_DSB_1_CYCL | \ 350 MBMR_RLFB_1X | \ 351 MBMR_WLFB_1X | \ 352 MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */ 353 354#define CONFIG_SYS_MBMR_9COL ((CONFIG_SYS_MBMR_PTB << MBMR_PTB_SHIFT) | \ 355 MBMR_AMB_TYPE_1 | \ 356 MBMR_G0CLB_A10 | \ 357 MBMR_DSB_1_CYCL | \ 358 MBMR_RLFB_1X | \ 359 MBMR_WLFB_1X | \ 360 MBMR_TLFB_4X) /* 0x04804114 */ /* 0x10802114 */ 361 362 363/* 364 * DSP Host Port Interface CS3 365 */ 366#define CONFIG_SYS_SPC1920_HPI_BASE 0x90000000 367#define CONFIG_SYS_PRELIM_OR3_AM 0xF8000000 368 369#define CONFIG_SYS_OR3 (CONFIG_SYS_PRELIM_OR3_AM | \ 370 OR_G5LS | \ 371 OR_SCY_0_CLK | \ 372 OR_BI) 373 374#define CONFIG_SYS_BR3 ((CONFIG_SYS_SPC1920_HPI_BASE & BR_BA_MSK) | \ 375 BR_MS_UPMA | \ 376 BR_PS_16 | \ 377 BR_V) 378 379#define CONFIG_SYS_MAMR (MAMR_GPL_A4DIS | \ 380 MAMR_RLFA_5X | \ 381 MAMR_WLFA_5X) 382 383#define CONFIG_SPC1920_HPI_TEST 384 385#ifdef CONFIG_SPC1920_HPI_TEST 386#define HPI_REG(x) (*((volatile u16 *) (CONFIG_SYS_SPC1920_HPI_BASE + x))) 387#define HPI_HPIC_1 HPI_REG(0) 388#define HPI_HPIC_2 HPI_REG(2) 389#define HPI_HPIA_1 HPI_REG(0x2000008) 390#define HPI_HPIA_2 HPI_REG(0x2000008 + 2) 391#define HPI_HPID_INC_1 HPI_REG(0x1000004) 392#define HPI_HPID_INC_2 HPI_REG(0x1000004 + 2) 393#define HPI_HPID_NOINC_1 HPI_REG(0x300000c) 394#define HPI_HPID_NOINC_2 HPI_REG(0x300000c + 2) 395#endif /* CONFIG_SPC1920_HPI_TEST */ 396 397/* 398 * Ramtron FM18L08 FRAM 32KB on CS4 399 */ 400#define CONFIG_SYS_SPC1920_FRAM_BASE 0x80100000 401#define CONFIG_SYS_PRELIM_OR4_AM 0xffff8000 402#define CONFIG_SYS_OR4 (CONFIG_SYS_PRELIM_OR4_AM | \ 403 OR_ACS_DIV2 | \ 404 OR_BI | \ 405 OR_SCY_4_CLK | \ 406 OR_TRLX) 407 408#define CONFIG_SYS_BR4 ((CONFIG_SYS_SPC1920_FRAM_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) 409 410/* 411 * PLD CS5 412 */ 413#define CONFIG_SYS_SPC1920_PLD_BASE 0x80000000 414#define CONFIG_SYS_PRELIM_OR5_AM 0xffff8000 415 416#define CONFIG_SYS_OR5_PRELIM (CONFIG_SYS_PRELIM_OR5_AM | \ 417 OR_CSNT_SAM | \ 418 OR_ACS_DIV1 | \ 419 OR_BI | \ 420 OR_SCY_0_CLK | \ 421 OR_TRLX) 422 423#define CONFIG_SYS_BR5_PRELIM ((CONFIG_SYS_SPC1920_PLD_BASE & BR_BA_MSK) | BR_PS_8 | BR_V) 424 425/* 426 * Internal Definitions 427 * 428 * Boot Flags 429 */ 430#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ 431#define BOOTFLAG_WARM 0x02 /* Software reboot */ 432 433#endif /* __CONFIG_H */ 434