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wdenke2211742002-11-02 23:30:20 +00001/*
wdenk414eec32005-04-02 22:37:54 +00002 * (C) Copyright 2000-2005
wdenke2211742002-11-02 23:30:20 +00003 * 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_MPC860 1 /* This is a MPC860 CPU */
37#define CONFIG_IP860 1 /* ...on a IP860 board */
wdenkc837dcb2004-01-20 23:12:12 +000038#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
wdenke2211742002-11-02 23:30:20 +000039
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 */
43
wdenke2211742002-11-02 23:30:20 +000044#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 $(filesize)\0"
46
wdenke2211742002-11-02 23:30:20 +000047#undef CONFIG_BOOTARGS
48#define CONFIG_BOOTCOMMAND \
49 "bootp; " \
50 "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
51 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
52 "bootm"
53
54#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
55#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
56
57#undef CONFIG_WATCHDOG /* watchdog disabled */
58
59
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 */
63/*
64 * Software (bit-bang) I2C driver configuration
65 */
66#define PB_SCL 0x00000020 /* PB 26 */
67#define PB_SDA 0x00000010 /* PB 27 */
68
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 */
78
79
80# define CFG_I2C_SPEED 50000
81# define CFG_I2C_SLAVE 0xFE
82# define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM X24C16 */
83# define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
84/* mask of address bits that overflow into the "EEPROM chip address" */
85#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
86#define CFG_EEPROM_PAGE_WRITE_BITS 4
87#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */
88
wdenk414eec32005-04-02 22:37:54 +000089#define CONFIG_TIMESTAMP /* Print image info with timestamp */
90
91#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
92 CFG_CMD_BEDBUG | \
93 CFG_CMD_I2C | \
94 CFG_CMD_EEPROM | \
95 CFG_CMD_NFS | \
96 CFG_CMD_SNTP )
wdenke2211742002-11-02 23:30:20 +000097
98#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT
99
100/*----------------------------------------------------------------------*/
101
102/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
103#include <cmd_confdefs.h>
104
105/*----------------------------------------------------------------------*/
106
107/*
108 * Miscellaneous configurable options
109 */
110#define CFG_LONGHELP /* undef to save memory */
111#define CFG_PROMPT "=> " /* Monitor Command Prompt */
112#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
113#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
114#else
115#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
116#endif
117#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
118#define CFG_MAXARGS 16 /* max number of command args */
119#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
120
121#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
122#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15MB in DRAM */
123
124#define CFG_LOAD_ADDR 0x00100000 /* default load address */
125
126#define CFG_PIO_MODE 0 /* IDE interface in PIO Mode 0 */
127
128#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
129
130#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
131
132/*
133 * Low Level Configuration Settings
134 * (address mappings, register initial values, etc.)
135 * You should know what you are doing if you make changes here.
136 */
137/*-----------------------------------------------------------------------
138 * Internal Memory Mapped Register
139 */
140#define CFG_IMMR 0xF1000000 /* Non-standard value!! */
141
142/*-----------------------------------------------------------------------
143 * Definitions for initial stack pointer and data area (in DPRAM)
144 */
145#define CFG_INIT_RAM_ADDR CFG_IMMR
146#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
147#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
148#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
149#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
150
151/*-----------------------------------------------------------------------
152 * Start addresses for the final memory configuration
153 * (Set up by the startup code)
154 * Please note that CFG_SDRAM_BASE _must_ start at 0
155 */
156#define CFG_SDRAM_BASE 0x00000000
157#define CFG_FLASH_BASE 0x10000000
158#ifdef DEBUG
159#define CFG_MONITOR_LEN (512 << 10) /* Reserve 512 kB for Monitor */
160#else
161#if 0 /* need more space for I2C tests */
162#define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */
163#else
164#define CFG_MONITOR_LEN (256 << 10)
165#endif
166#endif
167#define CFG_MONITOR_BASE CFG_FLASH_BASE
168#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
169
170/*
171 * For booting Linux, the board info and command line data
172 * have to be in the first 8 MB of memory, since this is
173 * the maximum mapped by the Linux kernel during initialization.
174 */
175#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
176/*-----------------------------------------------------------------------
177 * FLASH organization
178 */
179#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
180#define CFG_MAX_FLASH_SECT 124 /* max number of sectors on one chip */
181
182#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
183#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
184
185#undef CFG_ENV_IS_IN_FLASH
186#undef CFG_ENV_IS_IN_NVRAM
187#undef CFG_ENV_IS_IN_NVRAM
188#undef DEBUG_I2C
189#define CFG_ENV_IS_IN_EEPROM
190
191#ifdef CFG_ENV_IS_IN_NVRAM
192#define CFG_ENV_ADDR 0x20000000 /* use SRAM */
193#define CFG_ENV_SIZE (16<<10) /* use 16 kB */
194#endif /* CFG_ENV_IS_IN_NVRAM */
195
196#ifdef CFG_ENV_IS_IN_EEPROM
197#define CFG_ENV_OFFSET 512 /* Leave 512 bytes free for other data */
198#define CFG_ENV_SIZE 1536 /* Use remaining space */
199#endif /* CFG_ENV_IS_IN_EEPROM */
200
201/*-----------------------------------------------------------------------
202 * Cache Configuration
203 */
204#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
205#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
206#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
207#endif
208
209/*-----------------------------------------------------------------------
210 * SYPCR - System Protection Control 11-9
211 * SYPCR can only be written once after reset!
212 *-----------------------------------------------------------------------
213 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
214 * +0x0004
215 */
216#if defined(CONFIG_WATCHDOG)
217#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
218 SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
219#else
220#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
221#endif
222
223/*-----------------------------------------------------------------------
224 * SIUMCR - SIU Module Configuration 11-6
225 *-----------------------------------------------------------------------
226 * +0x0000 => 0x80600800
227 */
228#define CFG_SIUMCR (SIUMCR_EARB | SIUMCR_EARP0 | \
229 SIUMCR_DBGC11 | SIUMCR_MLRC10)
230
231/*-----------------------------------------------------------------------
wdenk8bde7f72003-06-27 21:31:46 +0000232 * Clock Setting - get clock frequency from Board Revision Register
wdenke2211742002-11-02 23:30:20 +0000233 *-----------------------------------------------------------------------
234 */
wdenk3bac3512003-03-12 10:41:04 +0000235#ifndef __ASSEMBLY__
236extern unsigned long ip860_get_clk_freq (void);
237#endif
238#define CONFIG_8xx_GCLK_FREQ ip860_get_clk_freq()
wdenke2211742002-11-02 23:30:20 +0000239
240/*-----------------------------------------------------------------------
241 * TBSCR - Time Base Status and Control 11-26
242 *-----------------------------------------------------------------------
243 * Clear Reference Interrupt Status, Timebase freezing enabled
244 * +0x0200 => 0x00C2
245 */
246#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
247
248/*-----------------------------------------------------------------------
249 * PISCR - Periodic Interrupt Status and Control 11-31
250 *-----------------------------------------------------------------------
251 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
252 * +0x0240 => 0x0082
253 */
254#define CFG_PISCR (PISCR_PS | PISCR_PITF)
255
256/*-----------------------------------------------------------------------
257 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
258 *-----------------------------------------------------------------------
259 * Reset PLL lock status sticky bit, timer expired status bit and timer
260 * interrupt status bit, set PLL multiplication factor !
261 */
262/* +0x0286 => was: 0x0000D000 */
263#define CFG_PLPRCR \
264 ( PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | \
265 /*PLPRCR_CSRC|*/ PLPRCR_LPM_NORMAL | \
266 PLPRCR_CSR | PLPRCR_LOLRE /*|PLPRCR_FIOPD*/ \
267 )
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 CFG_SCCR (SCCR_COM00 | SCCR_TBS | \
277 SCCR_RTDIV | SCCR_RTSEL | \
278 /*SCCR_CRQEN|*/ /*SCCR_PRQEN|*/ \
279 SCCR_EBDF00 | SCCR_DFSYNC00 | \
280 SCCR_DFBRG00 | SCCR_DFNL000 | \
281 SCCR_DFNH000)
282
283/*-----------------------------------------------------------------------
284 * RTCSC - Real-Time Clock Status and Control Register 11-27
285 *-----------------------------------------------------------------------
286 */
287/* +0x0220 => 0x00C3 */
288#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
289
290
291/*-----------------------------------------------------------------------
292 * RCCR - RISC Controller Configuration Register 19-4
293 *-----------------------------------------------------------------------
294 */
295/* +0x09C4 => TIMEP=1 */
296#define CFG_RCCR 0x0100
297
298/*-----------------------------------------------------------------------
299 * RMDS - RISC Microcode Development Support Control Register
300 *-----------------------------------------------------------------------
301 */
302#define CFG_RMDS 0
303
304/*-----------------------------------------------------------------------
305 * DER - Debug Event Register
306 *-----------------------------------------------------------------------
307 *
308 */
wdenke2211742002-11-02 23:30:20 +0000309#define CFG_DER 0
310
311/*
312 * Init Memory Controller:
313 */
314
315/*
316 * MAMR settings for SDRAM - 16-14
317 * => 0xC3804114
318 */
319
320/* periodic timer for refresh */
321#define CFG_MAMR_PTA 0xC3
322
323#define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
324 MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
325 MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
326/*
327 * BR1 and OR1 (FLASH)
328 */
329#define FLASH_BASE 0x10000000 /* FLASH bank #0 */
330
331/* used to re-map FLASH
332 * restrict access enough to keep SRAM working (if any)
333 * but not too much to meddle with FLASH accesses
334 */
335/* allow for max 8 MB of Flash */
336#define CFG_REMAP_OR_AM 0xFF800000 /* OR addr mask */
337#define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */
338
339#define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | OR_SCY_6_CLK)
340
341#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
342#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
343/* 16 bit, bank valid */
344#define CFG_BR0_PRELIM ((FLASH_BASE & BR_BA_MSK) | BR_PS_32 | BR_V )
345
346#define CFG_OR1_PRELIM CFG_OR0_PRELIM
347#define CFG_BR1_PRELIM CFG_BR0_PRELIM
348
349/*
350 * BR2/OR2 - SDRAM
351 */
352#define SDRAM_BASE 0x00000000 /* SDRAM bank */
353#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
354#define SDRAM_TIMING 0x00000A00 /* SDRAM-Timing */
355
356#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB SDRAM */
357
358#define CFG_OR2 (SDRAM_PRELIM_OR_AM | SDRAM_TIMING )
359#define CFG_BR2 ((SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V )
360
361/*
362 * BR3/OR3 - SRAM (16 bit)
363 */
364#define SRAM_BASE 0x20000000
365#define CFG_OR3 0xFFF00130 /* BI/SCY = 5/TRLX (internal) */
366#define CFG_BR3 ((SRAM_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
367#define SRAM_SIZE (1 + (~(CFG_OR3 & BR_BA_MSK)))
368#define CFG_OR3_PRELIM CFG_OR3 /* Make sure to map early */
369#define CFG_BR3_PRELIM CFG_BR3 /* in case it's used for ENV */
370
371/*
372 * BR4/OR4 - Board Control & Status (8 bit)
373 */
374#define BCSR_BASE 0xFC000000
375#define CFG_OR4 0xFFFF0120 /* BI (internal) */
376#define CFG_BR4 ((BCSR_BASE & BR_BA_MSK) | BR_PS_8 | BR_V)
377
378/*
379 * BR5/OR5 - IP Slot A/B (16 bit)
380 */
381#define IP_SLOT_BASE 0x40000000
382#define CFG_OR5 0xFE00010C /* SETA/TRLX/BI/ SCY=0 (external) */
383#define CFG_BR5 ((IP_SLOT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
384
385/*
386 * BR6/OR6 - VME STD (16 bit)
387 */
388#define VME_STD_BASE 0xFE000000
389#define CFG_OR6 0xFF00010C /* SETA/TRLX/BI/SCY=0 (external) */
390#define CFG_BR6 ((VME_STD_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
391
392/*
393 * BR7/OR7 - SHORT I/O + RTC + IACK (16 bit)
394 */
395#define VME_SHORT_BASE 0xFF000000
396#define CFG_OR7 0xFF00010C /* SETA/TRLX/BI/ SCY=0 (external) */
397#define CFG_BR7 ((VME_SHORT_BASE & BR_BA_MSK) | BR_PS_16 | BR_V)
398
399/*-----------------------------------------------------------------------
400 * Board Control and Status Region:
401 *-----------------------------------------------------------------------
402 */
403#ifndef __ASSEMBLY__
404typedef struct ip860_bcsr_s {
405 unsigned char shmem_addr; /* +00 shared memory address register */
406 unsigned char reserved0;
407 unsigned char mbox_addr; /* +02 mailbox address register */
408 unsigned char reserved1;
409 unsigned char vme_int_mask; /* +04 VME Bus interrupt mask register */
410 unsigned char reserved2;
411 unsigned char vme_int_pend; /* +06 VME interrupt pending register */
412 unsigned char reserved3;
413 unsigned char bd_int_mask; /* +08 board interrupt mask register */
414 unsigned char reserved4;
415 unsigned char bd_int_pend; /* +0A board interrupt pending register */
416 unsigned char reserved5;
417 unsigned char bd_ctrl; /* +0C board control register */
418 unsigned char reserved6;
419 unsigned char bd_status; /* +0E board status register */
420 unsigned char reserved7;
421 unsigned char vme_irq; /* +10 VME interrupt request register */
422 unsigned char reserved8;
423 unsigned char vme_ivec; /* +12 VME interrupt vector register */
424 unsigned char reserved9;
425 unsigned char cli_mbox; /* +14 clear mailbox irq */
426 unsigned char reservedA;
427 unsigned char rtc; /* +16 RTC control register */
428 unsigned char reservedB;
429 unsigned char mbox_data; /* +18 mailbox read/write register */
430 unsigned char reservedC;
431 unsigned char wd_trigger; /* +1A Watchdog trigger register */
432 unsigned char reservedD;
433 unsigned char rmw_req; /* +1C RMW request register */
wdenk3bac3512003-03-12 10:41:04 +0000434 unsigned char reservedE;
435 unsigned char bd_rev; /* +1E Board Revision register */
wdenke2211742002-11-02 23:30:20 +0000436} ip860_bcsr_t;
437#endif /* __ASSEMBLY__ */
438
439/*-----------------------------------------------------------------------
440 * Board Control Register: bd_ctrl (Offset 0x0C)
441 *-----------------------------------------------------------------------
442 */
443#define BD_CTRL_IPLSE 0x80 /* IP Slot Long Select Enable */
444#define BD_CTRL_WDOGE 0x40 /* Watchdog Enable */
445#define BD_CTRL_FLWE 0x20 /* Flash Write Enable */
446#define BD_CTRL_RWDN 0x10 /* VMEBus Requester Release When Done Enable */
447
448/*-----------------------------------------------------------------------
449 *
450 *-----------------------------------------------------------------------
451 *
452 */
453
454/*
455 * Internal Definitions
456 *
457 * Boot Flags
458 */
459#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
460#define BOOTFLAG_WARM 0x02 /* Software reboot */
461
462#endif /* __CONFIG_H */