2 * (C) Copyright 2000-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * board/config.h - configuration options, board specific
32 * High Level Configuration Options
36 #define CONFIG_MPC860 1 /* This is a MPC860 CPU */
37 #define CONFIG_IP860 1 /* ...on a IP860 board */
38 #define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
40 #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
41 #define CONFIG_BAUDRATE 9600
42 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
44 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" \
45 "\0load=tftp \"/tftpboot/u-boot.bin\"\0update=protect off 1:0;era 1:0;cp.b 100000 10000000 ${filesize}\0"
47 #undef CONFIG_BOOTARGS
48 #define CONFIG_BOOTCOMMAND \
50 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
51 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; " \
54 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
55 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
57 #undef CONFIG_WATCHDOG /* watchdog disabled */
60 /* enable I2C and select the hardware/software driver */
61 #undef CONFIG_HARD_I2C /* I2C with hardware support */
62 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
64 * Software (bit-bang) I2C driver configuration
66 #define PB_SCL 0x00000020 /* PB 26 */
67 #define PB_SDA 0x00000010 /* PB 27 */
69 #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
70 #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
71 #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
72 #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
73 #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
74 else immr->im_cpm.cp_pbdat &= ~PB_SDA
75 #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
76 else immr->im_cpm.cp_pbdat &= ~PB_SCL
77 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
80 # define CONFIG_SYS_I2C_SPEED 50000
81 # define CONFIG_SYS_I2C_SLAVE 0xFE
82 # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
83 # define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
84 /* mask of address bits that overflow into the "EEPROM chip address" */
85 #define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
86 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
87 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
89 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
93 * Command line configuration.
95 #include <config_cmd_default.h>
97 #define CONFIG_CMD_BEDBUG
98 #define CONFIG_CMD_I2C
99 #define CONFIG_CMD_EEPROM
100 #define CONFIG_CMD_NFS
101 #define CONFIG_CMD_SNTP
106 #define CONFIG_BOOTP_SUBNETMASK
107 #define CONFIG_BOOTP_GATEWAY
108 #define CONFIG_BOOTP_HOSTNAME
109 #define CONFIG_BOOTP_BOOTPATH
112 * Miscellaneous configurable options
114 #define CONFIG_SYS_LONGHELP /* undef to save memory */
115 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
116 #if defined(CONFIG_CMD_KGDB)
117 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
119 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
121 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
122 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
123 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
125 #define CONFIG_SYS_MEMTEST_START 0x00100000 /* memtest works on */
126 #define CONFIG_SYS_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
128 #define CONFIG_SYS_LOAD_ADDR 0x00100000 /* default load address */
130 #define CONFIG_SYS_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
132 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
134 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
137 * Low Level Configuration Settings
138 * (address mappings, register initial values, etc.)
139 * You should know what you are doing if you make changes here.
141 /*-----------------------------------------------------------------------
142 * Internal Memory Mapped Register
144 #define CONFIG_SYS_IMMR 0xF1000000 /* Non-standard value!! */
146 /*-----------------------------------------------------------------------
147 * Definitions for initial stack pointer and data area (in DPRAM)
149 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
150 #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
151 #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
152 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
153 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
155 /*-----------------------------------------------------------------------
156 * Start addresses for the final memory configuration
157 * (Set up by the startup code)
158 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
160 #define CONFIG_SYS_SDRAM_BASE 0x00000000
161 #define CONFIG_SYS_FLASH_BASE 0x10000000
163 #define CONFIG_SYS_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
165 #if 0 /* need more space for I2C tests */
166 #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
168 #define CONFIG_SYS_MONITOR_LEN (256 << 10)
171 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
172 #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
175 * For booting Linux, the board info and command line data
176 * have to be in the first 8 MB of memory, since this is
177 * the maximum mapped by the Linux kernel during initialization.
179 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
180 /*-----------------------------------------------------------------------
183 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
184 #define CONFIG_SYS_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
186 #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
187 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
189 #undef CONFIG_ENV_IS_IN_FLASH
190 #undef CONFIG_ENV_IS_IN_NVRAM
191 #undef CONFIG_ENV_IS_IN_NVRAM
193 #define CONFIG_ENV_IS_IN_EEPROM
195 #ifdef CONFIG_ENV_IS_IN_NVRAM
196 #define CONFIG_ENV_ADDR 0x20000000 /* use SRAM */
197 #define CONFIG_ENV_SIZE (16<<10) /* use 16 kB */
198 #endif /* CONFIG_ENV_IS_IN_NVRAM */
200 #ifdef CONFIG_ENV_IS_IN_EEPROM
201 #define CONFIG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
202 #define CONFIG_ENV_SIZE 1536 /* Use remaining space */
203 #endif /* CONFIG_ENV_IS_IN_EEPROM */
205 /*-----------------------------------------------------------------------
206 * Cache Configuration
208 #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
209 #if defined(CONFIG_CMD_KGDB)
210 #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */
212 #define CONFIG_SYS_DELAYED_ICACHE 1 /* enable ICache not before
216 /*-----------------------------------------------------------------------
217 * SYPCR - System Protection Control 11-9
218 * SYPCR can only be written once after reset!
219 *-----------------------------------------------------------------------
220 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
223 #if defined(CONFIG_WATCHDOG)
224 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
225 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
227 #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
230 /*-----------------------------------------------------------------------
231 * SIUMCR - SIU Module Configuration 11-6
232 *-----------------------------------------------------------------------
233 * +0x0000 => 0x80600800
235 #define CONFIG_SYS_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
236 SIUMCR_DBGC11 | SIUMCR_MLRC10)
238 /*-----------------------------------------------------------------------
239 * Clock Setting - get clock frequency from Board Revision Register
240 *-----------------------------------------------------------------------
243 extern unsigned long ip860_get_clk_freq (void);
245 #define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
247 /*-----------------------------------------------------------------------
248 * TBSCR - Time Base Status and Control 11-26
249 *-----------------------------------------------------------------------
250 * Clear Reference Interrupt Status, Timebase freezing enabled
253 #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
255 /*-----------------------------------------------------------------------
256 * PISCR - Periodic Interrupt Status and Control 11-31
257 *-----------------------------------------------------------------------
258 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
261 #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF)
263 /*-----------------------------------------------------------------------
264 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
265 *-----------------------------------------------------------------------
266 * Reset PLL lock status sticky bit, timer expired status bit and timer
267 * interrupt status bit, set PLL multiplication factor !
269 /* +0x0286 => was: 0x0000D000 */
270 #define CONFIG_SYS_PLPRCR \
271 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
272 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
273 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
276 /*-----------------------------------------------------------------------
277 * SCCR - System Clock and reset Control Register 15-27
278 *-----------------------------------------------------------------------
279 * Set clock output, timebase and RTC source and divider,
280 * power management and some other internal clocks
282 #define SCCR_MASK SCCR_EBDF11
283 #define CONFIG_SYS_SCCR (SCCR_COM00 | SCCR_TBS | \
284 SCCR_RTDIV | SCCR_RTSEL | \
285 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
286 SCCR_EBDF00 | SCCR_DFSYNC00 | \
287 SCCR_DFBRG00 | SCCR_DFNL000 | \
290 /*-----------------------------------------------------------------------
291 * RTCSC - Real-Time Clock Status and Control Register 11-27
292 *-----------------------------------------------------------------------
294 /* +0x0220 => 0x00C3 */
295 #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
298 /*-----------------------------------------------------------------------
299 * RCCR - RISC Controller Configuration Register 19-4
300 *-----------------------------------------------------------------------
302 /* +0x09C4 => TIMEP=1 */
303 #define CONFIG_SYS_RCCR 0x0100
305 /*-----------------------------------------------------------------------
306 * RMDS - RISC Microcode Development Support Control Register
307 *-----------------------------------------------------------------------
309 #define CONFIG_SYS_RMDS 0
311 /*-----------------------------------------------------------------------
312 * DER - Debug Event Register
313 *-----------------------------------------------------------------------
316 #define CONFIG_SYS_DER 0
319 * Init Memory Controller:
323 * MAMR settings for SDRAM - 16-14
327 /* periodic timer for refresh */
328 #define CONFIG_SYS_MAMR_PTA 0xC3
330 #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
331 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
332 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
334 * BR1 and OR1 (FLASH)
336 #define FLASH_BASE 0x10000000 /* FLASH bank #0 */
338 /* used to re-map FLASH
339 * restrict access enough to keep SRAM working (if any)
340 * but not too much to meddle with FLASH accesses
342 /* allow for max 8 MB of Flash */
343 #define CONFIG_SYS_REMAP_OR_AM 0xFF800000 /* OR addr mask */
344 #define CONFIG_SYS_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
346 #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
348 #define CONFIG_SYS_OR0_REMAP (CONFIG_SYS_REMAP_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
349 #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH)
350 /* 16 bit, bank valid */
351 #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
353 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR0_PRELIM
354 #define CONFIG_SYS_BR1_PRELIM CONFIG_SYS_BR0_PRELIM
359 #define SDRAM_BASE 0x00000000 /* SDRAM bank */
360 #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
361 #define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
363 #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
365 #define CONFIG_SYS_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
366 #define CONFIG_SYS_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
369 * BR3/OR3 - SRAM (16 bit)
371 #define SRAM_BASE 0x20000000
372 #define CONFIG_SYS_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
373 #define CONFIG_SYS_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
374 #define SRAM_SIZE (1 + (~(CONFIG_SYS_OR3 & BR_BA_MSK)))
375 #define CONFIG_SYS_OR3_PRELIM CONFIG_SYS_OR3 /* Make sure to map early */
376 #define CONFIG_SYS_BR3_PRELIM CONFIG_SYS_BR3 /* in case it's used for ENV */
379 * BR4/OR4 - Board Control & Status (8 bit)
381 #define BCSR_BASE 0xFC000000
382 #define CONFIG_SYS_OR4 0xFFFF0120 /* BI (internal) */
383 #define CONFIG_SYS_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
386 * BR5/OR5 - IP Slot A/B (16 bit)
388 #define IP_SLOT_BASE 0x40000000
389 #define CONFIG_SYS_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
390 #define CONFIG_SYS_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
393 * BR6/OR6 - VME STD (16 bit)
395 #define VME_STD_BASE 0xFE000000
396 #define CONFIG_SYS_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
397 #define CONFIG_SYS_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
400 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
402 #define VME_SHORT_BASE 0xFF000000
403 #define CONFIG_SYS_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
404 #define CONFIG_SYS_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
406 /*-----------------------------------------------------------------------
407 * Board Control and Status Region:
408 *-----------------------------------------------------------------------
411 typedef struct ip860_bcsr_s {
412 unsigned char shmem_addr; /* +00 shared memory address register */
413 unsigned char reserved0;
414 unsigned char mbox_addr; /* +02 mailbox address register */
415 unsigned char reserved1;
416 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
417 unsigned char reserved2;
418 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
419 unsigned char reserved3;
420 unsigned char bd_int_mask; /* +08 board interrupt mask register */
421 unsigned char reserved4;
422 unsigned char bd_int_pend; /* +0A board interrupt pending register */
423 unsigned char reserved5;
424 unsigned char bd_ctrl; /* +0C board control register */
425 unsigned char reserved6;
426 unsigned char bd_status; /* +0E board status register */
427 unsigned char reserved7;
428 unsigned char vme_irq; /* +10 VME interrupt request register */
429 unsigned char reserved8;
430 unsigned char vme_ivec; /* +12 VME interrupt vector register */
431 unsigned char reserved9;
432 unsigned char cli_mbox; /* +14 clear mailbox irq */
433 unsigned char reservedA;
434 unsigned char rtc; /* +16 RTC control register */
435 unsigned char reservedB;
436 unsigned char mbox_data; /* +18 mailbox read/write register */
437 unsigned char reservedC;
438 unsigned char wd_trigger; /* +1A Watchdog trigger register */
439 unsigned char reservedD;
440 unsigned char rmw_req; /* +1C RMW request register */
441 unsigned char reservedE;
442 unsigned char bd_rev; /* +1E Board Revision register */
444 #endif /* __ASSEMBLY__ */
446 /*-----------------------------------------------------------------------
447 * Board Control Register: bd_ctrl (Offset 0x0C)
448 *-----------------------------------------------------------------------
450 #define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
451 #define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
452 #define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
453 #define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
455 /*-----------------------------------------------------------------------
457 *-----------------------------------------------------------------------
462 * Internal Definitions
466 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
467 #define BOOTFLAG_WARM 0x02 /* Software reboot */
469 #endif /* __CONFIG_H */