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1 /*
2 * (C) Copyright 2005
3 * Heiko Schocher, DENX Software Engineering, <hs@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_MPC8260 1 /* This is a MPC8260 CPU */
37 #define CONFIG_MPC8272_FAMILY 1
38 #define CONFIG_IDS8247 1
39 #define CPU_ID_STR "MPC8247"
40 #define CONFIG_CPM2 1 /* Has a CPM2 */
41
42 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
43
44 #define CONFIG_BOOTCOUNT_LIMIT
45
46 #define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
47
48 #undef CONFIG_BOOTARGS
49
50 #define CONFIG_EXTRA_ENV_SETTINGS \
51 "netdev=eth0\0" \
52 "nfsargs=setenv bootargs root=/dev/nfs rw " \
53 "nfsroot=${serverip}:${rootpath}\0" \
54 "ramargs=setenv bootargs root=/dev/ram rw " \
55 "console=ttyS0,115200\0" \
56 "addip=setenv bootargs ${bootargs} " \
57 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
58 ":${hostname}:${netdev}:off panic=1\0" \
59 "flash_nfs=run nfsargs addip;" \
60 "bootm ${kernel_addr}\0" \
61 "flash_self=run ramargs addip;" \
62 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
63 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
64 "rootpath=/opt/eldk/ppc_82xx\0" \
65 "bootfile=/tftpboot/IDS8247/uImage\0" \
66 "kernel_addr=ff800000\0" \
67 "ramdisk_addr=ffa00000\0" \
68 ""
69 #define CONFIG_BOOTCOMMAND "run flash_self"
70
71 #define CONFIG_MISC_INIT_R 1
72
73 /* enable I2C and select the hardware/software driver */
74 #undef CONFIG_HARD_I2C /* I2C with hardware support */
75 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
76 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
77 #define CFG_I2C_SLAVE 0x7F
78
79 /*
80 * Software (bit-bang) I2C driver configuration
81 */
82
83 #define I2C_PORT 0 /* Port A=0, B=1, C=2, D=3 */
84 #define I2C_ACTIVE (iop->pdir |= 0x00000080)
85 #define I2C_TRISTATE (iop->pdir &= ~0x00000080)
86 #define I2C_READ ((iop->pdat & 0x00000080) != 0)
87 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00000080; \
88 else iop->pdat &= ~0x00000080
89 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00000100; \
90 else iop->pdat &= ~0x00000100
91 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
92
93 #if 0
94 #define CFG_I2C_EEPROM_ADDR 0x50
95 #define CFG_I2C_EEPROM_ADDR_LEN 2
96 #define CFG_EEPROM_PAGE_WRITE_BITS 4
97 #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
98
99 #define CONFIG_I2C_X
100 #endif
101
102 /*
103 * select serial console configuration
104 * use the extern UART for the console
105 */
106 #define CONFIG_CONS_INDEX 1
107 #define CONFIG_BAUDRATE 115200
108 /*
109 * NS16550 Configuration
110 */
111 #define CFG_NS16550
112 #define CFG_NS16550_SERIAL
113
114 #define CFG_NS16550_REG_SIZE 1
115
116 #define CFG_NS16550_CLK 14745600
117
118 #define CFG_UART_BASE 0xE0000000
119 #define CFG_UART_SIZE 0x10000
120
121 #define CFG_NS16550_COM1 (CFG_UART_BASE + 0x8000)
122
123 /*
124 * select ethernet configuration
125 *
126 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
127 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
128 * for FCC)
129 *
130 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
131 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
132 */
133 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
134 #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
135 #undef CONFIG_ETHER_NONE /* define if ether on something else */
136 #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
137
138 /*
139 * - Rx-CLK is CLK13
140 * - Tx-CLK is CLK14
141 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
142 * - Enable Full Duplex in FSMR
143 */
144 # define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
145 # define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
146 # define CFG_CPMFCR_RAMTYPE 0
147 # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
148
149
150 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
151 #define CONFIG_8260_CLKIN 66666666 /* in Hz */
152
153 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
154 #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
155
156 #undef CONFIG_WATCHDOG /* watchdog disabled */
157
158 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
159
160 /*
161 * BOOTP options
162 */
163 #define CONFIG_BOOTP_SUBNETMASK
164 #define CONFIG_BOOTP_GATEWAY
165 #define CONFIG_BOOTP_HOSTNAME
166 #define CONFIG_BOOTP_BOOTPATH
167 #define CONFIG_BOOTP_BOOTFILESIZE
168
169
170 /*
171 * Command line configuration.
172 */
173 #include <config_cmd_default.h>
174
175 #define CONFIG_CMD_DHCP
176 #define CONFIG_CMD_NFS
177 #define CONFIG_CMD_NAND
178 #define CONFIG_CMD_I2C
179 #define CONFIG_CMD_SNTP
180
181
182 /*
183 * Miscellaneous configurable options
184 */
185 #define CFG_LONGHELP /* undef to save memory */
186 #define CFG_PROMPT "=> " /* Monitor Command Prompt */
187 #if defined(CONFIG_CMD_KGDB)
188 #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
189 #else
190 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
191 #endif
192 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
193 #define CFG_MAXARGS 16 /* max number of command args */
194 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
195
196 #define CFG_MEMTEST_START 0x0400000 /* memtest works on */
197 #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
198
199 #define CFG_LOAD_ADDR 0x100000 /* default load address */
200
201 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
202
203 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
204
205 #define CFG_RESET_ADDRESS 0xFDFFFFFC /* "bad" address */
206
207 /*
208 * For booting Linux, the board info and command line data
209 * have to be in the first 8 MB of memory, since this is
210 * the maximum mapped by the Linux kernel during initialization.
211 */
212 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
213
214
215 /* What should the base address of the main FLASH be and how big is
216 * it (in MBytes)? This must contain TEXT_BASE from board/ids8247/config.mk
217 * The main FLASH is whichever is connected to *CS0.
218 */
219 #define CFG_FLASH0_BASE 0xFFF00000
220 #define CFG_FLASH0_SIZE 8
221
222 /* Flash bank size (for preliminary settings)
223 */
224 #define CFG_FLASH_SIZE CFG_FLASH0_SIZE
225
226 /*-----------------------------------------------------------------------
227 * FLASH organization
228 */
229 #define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
230 #define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
231
232 #define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
233 #define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
234
235 /* Environment in flash */
236 #define CFG_ENV_IS_IN_FLASH 1
237 #define CFG_ENV_ADDR (CFG_FLASH_BASE+0x60000)
238 #define CFG_ENV_SIZE 0x20000
239 #define CFG_ENV_SECT_SIZE 0x20000
240
241 /*-----------------------------------------------------------------------
242 * NAND-FLASH stuff
243 *-----------------------------------------------------------------------
244 */
245 #if defined(CONFIG_CMD_NAND)
246
247 #define CFG_NAND_LEGACY
248 #define CFG_NAND0_BASE 0xE1000000
249
250 #define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
251 #define SECTORSIZE 512
252 #define NAND_NO_RB
253
254 #define ADDR_COLUMN 1
255 #define ADDR_PAGE 2
256 #define ADDR_COLUMN_PAGE 3
257
258 #define NAND_ChipID_UNKNOWN 0x00
259 #define NAND_MAX_FLOORS 1
260 #define NAND_MAX_CHIPS 1
261
262 #define NAND_DISABLE_CE(nand) do \
263 { \
264 *(((volatile __u8 *)(nand->IO_ADDR)) + 0xc) = 0; \
265 } while(0)
266
267 #define NAND_ENABLE_CE(nand) do \
268 { \
269 *(((volatile __u8 *)(nand->IO_ADDR)) + 0x8) = 0; \
270 } while(0)
271
272 #define NAND_CTL_CLRALE(nandptr) do \
273 { \
274 *(((volatile __u8 *)nandptr) + 0x8) = 0; \
275 } while(0)
276
277 #define NAND_CTL_SETALE(nandptr) do \
278 { \
279 *(((volatile __u8 *)nandptr) + 0x9) = 0; \
280 } while(0)
281
282 #define NAND_CTL_CLRCLE(nandptr) do \
283 { \
284 *(((volatile __u8 *)nandptr) + 0x8) = 0; \
285 } while(0)
286
287 #define NAND_CTL_SETCLE(nandptr) do \
288 { \
289 *(((volatile __u8 *)nandptr) + 0xa) = 0; \
290 } while(0)
291
292 #ifdef NAND_NO_RB
293 /* constant delay (see also tR in the datasheet) */
294 #define NAND_WAIT_READY(nand) do { \
295 udelay(12); \
296 } while (0)
297 #else
298 /* use the R/B pin */
299 #endif
300
301 #define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x2)) = (__u8)(d); } while(0)
302 #define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x1)) = (__u8)(d); } while(0)
303 #define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)(adr + 0x0)) = (__u8)d; } while(0)
304 #define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)(adr + 0x0)))
305
306 #endif /* CONFIG_CMD_NAND */
307
308 /*-----------------------------------------------------------------------
309 * Hard Reset Configuration Words
310 *
311 * if you change bits in the HRCW, you must also change the CFG_*
312 * defines for the various registers affected by the HRCW e.g. changing
313 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
314 */
315 #define CFG_HRCW_MASTER (HRCW_BPS01 | HRCW_BMS | HRCW_ISB100 | HRCW_APPC10 | HRCW_MODCK_H1000)
316
317 /* no slaves so just fill with zeros */
318 #define CFG_HRCW_SLAVE1 0
319 #define CFG_HRCW_SLAVE2 0
320 #define CFG_HRCW_SLAVE3 0
321 #define CFG_HRCW_SLAVE4 0
322 #define CFG_HRCW_SLAVE5 0
323 #define CFG_HRCW_SLAVE6 0
324 #define CFG_HRCW_SLAVE7 0
325
326 /*-----------------------------------------------------------------------
327 * Internal Memory Mapped Register
328 */
329 #define CFG_IMMR 0xF0000000
330
331 /*-----------------------------------------------------------------------
332 * Definitions for initial stack pointer and data area (in DPRAM)
333 */
334 #define CFG_INIT_RAM_ADDR CFG_IMMR
335 #define CFG_INIT_RAM_END 0x2000 /* End of used area in DPRAM */
336 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
337 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
338 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
339
340 /*-----------------------------------------------------------------------
341 * Start addresses for the final memory configuration
342 * (Set up by the startup code)
343 * Please note that CFG_SDRAM_BASE _must_ start at 0
344 *
345 * 60x SDRAM is mapped at CFG_SDRAM_BASE
346 */
347 #define CFG_SDRAM_BASE 0x00000000
348 #define CFG_FLASH_BASE CFG_FLASH0_BASE
349 #define CFG_MONITOR_BASE TEXT_BASE
350 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
351 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
352
353 /*
354 * Internal Definitions
355 *
356 * Boot Flags
357 */
358 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
359 #define BOOTFLAG_WARM 0x02 /* Software reboot */
360
361
362 /*-----------------------------------------------------------------------
363 * Cache Configuration
364 */
365 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
366 #if defined(CONFIG_CMD_KGDB)
367 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
368 #endif
369
370 /*-----------------------------------------------------------------------
371 * HIDx - Hardware Implementation-dependent Registers 2-11
372 *-----------------------------------------------------------------------
373 * HID0 also contains cache control - initially enable both caches and
374 * invalidate contents, then the final state leaves only the instruction
375 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
376 * but Soft reset does not.
377 *
378 * HID1 has only read-only information - nothing to set.
379 */
380
381 #define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI)
382 #define CFG_HID0_FINAL 0
383 #define CFG_HID2 0
384
385 /*-----------------------------------------------------------------------
386 * RMR - Reset Mode Register 5-5
387 *-----------------------------------------------------------------------
388 * turn on Checkstop Reset Enable
389 */
390 #define CFG_RMR 0
391
392 /*-----------------------------------------------------------------------
393 * BCR - Bus Configuration 4-25
394 *-----------------------------------------------------------------------
395 */
396 #define CFG_BCR 0
397
398 /*-----------------------------------------------------------------------
399 * SIUMCR - SIU Module Configuration 4-31
400 *-----------------------------------------------------------------------
401 */
402 #define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10|SIUMCR_BCTLC01)
403
404 /*-----------------------------------------------------------------------
405 * SYPCR - System Protection Control 4-35
406 * SYPCR can only be written once after reset!
407 *-----------------------------------------------------------------------
408 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
409 */
410 #if defined(CONFIG_WATCHDOG)
411 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
412 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
413 #else
414 #define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
415 SYPCR_SWRI|SYPCR_SWP)
416 #endif /* CONFIG_WATCHDOG */
417
418 /*-----------------------------------------------------------------------
419 * TMCNTSC - Time Counter Status and Control 4-40
420 *-----------------------------------------------------------------------
421 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
422 * and enable Time Counter
423 */
424 #define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
425
426 /*-----------------------------------------------------------------------
427 * PISCR - Periodic Interrupt Status and Control 4-42
428 *-----------------------------------------------------------------------
429 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
430 * Periodic timer
431 */
432 #define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
433
434 /*-----------------------------------------------------------------------
435 * SCCR - System Clock Control 9-8
436 *-----------------------------------------------------------------------
437 * Ensure DFBRG is Divide by 16
438 */
439 #define CFG_SCCR (0x00000028 | SCCR_DFBRG01)
440
441 /*-----------------------------------------------------------------------
442 * RCCR - RISC Controller Configuration 13-7
443 *-----------------------------------------------------------------------
444 */
445 #define CFG_RCCR 0
446
447 /*
448 * Init Memory Controller:
449 *
450 * Bank Bus Machine PortSz Device
451 * ---- --- ------- ------ ------
452 * 0 60x GPCM 16 bit FLASH
453 * 1 60x GPCM 8 bit NAND
454 * 2 60x SDRAM 32 bit SDRAM
455 * 3 60x GPCM 8 bit UART
456 *
457 */
458
459 #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
460
461 /* Minimum mask to separate preliminary
462 * address ranges for CS[0:2]
463 */
464 #define CFG_GLOBAL_SDRAM_LIMIT (32<<20) /* less than 32 MB */
465
466 #define CFG_MPTPR 0x6600
467
468 /*-----------------------------------------------------------------------------
469 * Address for Mode Register Set (MRS) command
470 *-----------------------------------------------------------------------------
471 */
472 #define CFG_MRS_OFFS 0x00000110
473
474
475 /* Bank 0 - FLASH
476 */
477 #define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
478 BRx_PS_8 |\
479 BRx_MS_GPCM_P |\
480 BRx_V)
481
482 #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
483 ORxG_SCY_6_CLK )
484
485 #if defined(CONFIG_CMD_NAND)
486 /* Bank 1 - NAND Flash
487 */
488 #define CFG_NAND_BASE CFG_NAND0_BASE
489 #define CFG_NAND_SIZE 0x8000
490
491 #define CFG_OR_TIMING_NAND 0x000036
492
493 #define CFG_BR1_PRELIM ((CFG_NAND_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
494 #define CFG_OR1_PRELIM (P2SZ_TO_AM(CFG_NAND_SIZE) | CFG_OR_TIMING_NAND )
495 #endif
496
497 /* Bank 2 - 60x bus SDRAM
498 */
499 #define CFG_PSRT 0x20
500 #define CFG_LSRT 0x20
501
502 #define CFG_BR2_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
503 BRx_PS_32 |\
504 BRx_MS_SDRAM_P |\
505 BRx_V)
506
507 #define CFG_OR2_PRELIM CFG_OR2
508
509
510 /* SDRAM initialization values
511 */
512 #define CFG_OR2 ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
513 ORxS_BPD_4 |\
514 ORxS_ROWST_PBI0_A10 |\
515 ORxS_NUMR_12)
516
517 #define CFG_PSDMR (PSDMR_SDAM_A13_IS_A5 |\
518 PSDMR_BSMA_A15_A17 |\
519 PSDMR_SDA10_PBI0_A11 |\
520 PSDMR_RFRC_5_CLK |\
521 PSDMR_PRETOACT_2W |\
522 PSDMR_ACTTORW_2W |\
523 PSDMR_BL |\
524 PSDMR_LDOTOPRE_2C |\
525 PSDMR_WRC_3C |\
526 PSDMR_CL_3)
527
528 /* Bank 3 - UART
529 */
530
531 #define CFG_BR3_PRELIM ((CFG_UART_BASE & BRx_BA_MSK) | BRx_PS_8 | BRx_MS_GPCM_P | BRx_V )
532 #define CFG_OR3_PRELIM (((-CFG_UART_SIZE) & ORxG_AM_MSK) | ORxG_CSNT | ORxG_SCY_1_CLK | ORxG_TRLX )
533
534 #endif /* __CONFIG_H */