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1 /*
2 * (C) Copyright 2001-2005
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 * Imported from global configuration:
33 * CONFIG_MPC8255
34 * CONFIG_MPC8265
35 * CONFIG_200MHz
36 * CONFIG_266MHz
37 * CONFIG_300MHz
38 * CONFIG_L2_CACHE
39 * CONFIG_BUSMODE_60x
40 */
41
42 /*
43 * High Level Configuration Options
44 * (easy to change)
45 */
46
47 #define CONFIG_SYS_TEXT_BASE 0x40000000
48
49 #define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
50
51 #if 0
52 #define CONFIG_TQM8260 100 /* ...on a TQM8260 module Rev.100 */
53 #else
54 #define CONFIG_TQM8260 200 /* ...on a TQM8260 module Rev.200 */
55 #endif
56
57 #define CONFIG_CPM2 1 /* Has a CPM2 */
58
59 #define CONFIG_82xx_CONS_SMC1 1 /* console on SMC1 */
60
61 #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
62
63 #define CONFIG_BOOTCOUNT_LIMIT
64
65 #define CONFIG_BAUDRATE 115200
66
67 #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo"
68
69 #undef CONFIG_BOOTARGS
70
71 #define CONFIG_EXTRA_ENV_SETTINGS \
72 "netdev=eth0\0" \
73 "nfsargs=setenv bootargs root=/dev/nfs rw " \
74 "nfsroot=${serverip}:${rootpath}\0" \
75 "ramargs=setenv bootargs root=/dev/ram rw\0" \
76 "addip=setenv bootargs ${bootargs} " \
77 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
78 ":${hostname}:${netdev}:off panic=1\0" \
79 "flash_nfs=run nfsargs addip;" \
80 "bootm ${kernel_addr}\0" \
81 "flash_self=run ramargs addip;" \
82 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
83 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
84 "rootpath=/opt/eldk/ppc_6xx\0" \
85 "bootfile=tqm8260/uImage\0" \
86 "kernel_addr=400C0000\0" \
87 "ramdisk_addr=40240000\0" \
88 ""
89 #define CONFIG_BOOTCOMMAND "run flash_self"
90
91 /* enable I2C and select the hardware/software driver */
92 #undef CONFIG_HARD_I2C /* I2C with hardware support */
93 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
94 #define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
95 #define CONFIG_SYS_I2C_SLAVE 0x7F
96
97 /*
98 * Software (bit-bang) I2C driver configuration
99 */
100
101 /* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
102 #if (CONFIG_TQM8260 <= 100)
103
104 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
105 #define I2C_ACTIVE (iop->pdir |= 0x00020000)
106 #define I2C_TRISTATE (iop->pdir &= ~0x00020000)
107 #define I2C_READ ((iop->pdat & 0x00020000) != 0)
108 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
109 else iop->pdat &= ~0x00020000
110 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
111 else iop->pdat &= ~0x00010000
112 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
113
114 #else
115
116 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
117 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
118 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
119 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
120 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
121 else iop->pdat &= ~0x00010000
122 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
123 else iop->pdat &= ~0x00020000
124 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
125 #endif
126
127 #define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
128 #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
129 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
130 #define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
131
132 #define CONFIG_I2C_X
133
134 /*
135 * select serial console configuration
136 *
137 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
138 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
139 * for SCC).
140 *
141 * if CONFIG_CONS_NONE is defined, then the serial console routines must
142 * defined elsewhere (for example, on the cogent platform, there are serial
143 * ports on the motherboard which are used for the serial console - see
144 * cogent/cma101/serial.[ch]).
145 */
146 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
147 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
148 #undef CONFIG_CONS_NONE /* define if console on something else*/
149 #ifdef CONFIG_82xx_CONS_SMC1
150 #define CONFIG_CONS_INDEX 1 /* which serial channel for console */
151 #endif
152 #ifdef CONFIG_82xx_CONS_SMC2
153 #define CONFIG_CONS_INDEX 2 /* which serial channel for console */
154 #endif
155
156 #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
157 #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
158 #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
159
160 /*
161 * select ethernet configuration
162 *
163 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
164 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
165 * for FCC)
166 *
167 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
168 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
169 *
170 * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
171 * X.29 connector, and FCC2 is hardwired to the X.1 connector)
172 */
173 #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
174 #define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
175 #undef CONFIG_ETHER_NONE /* define if ether on something else */
176 #define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
177
178 #if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
179
180 /*
181 * - RX clk is CLK11
182 * - TX clk is CLK12
183 */
184 # define CONFIG_SYS_CMXSCR_VALUE1 (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
185
186 #elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
187
188 /*
189 * - Rx-CLK is CLK13
190 * - Tx-CLK is CLK14
191 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
192 * - Enable Full Duplex in FSMR
193 */
194 # define CONFIG_SYS_CMXFCR_MASK2 (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
195 # define CONFIG_SYS_CMXFCR_VALUE2 (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
196 # define CONFIG_SYS_CPMFCR_RAMTYPE 0
197 # define CONFIG_SYS_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
198
199 #endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
200
201
202 /* system clock rate (CLKIN) - equal to the 60x and local bus speed */
203 #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
204 # define CONFIG_8260_CLKIN 66666666 /* in Hz */
205 #else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
206 # ifndef CONFIG_300MHz
207 # define CONFIG_8260_CLKIN 66666666 /* in Hz */
208 # else
209 # define CONFIG_8260_CLKIN 83333000 /* in Hz */
210 # endif
211 #endif /* CONFIG_MPC8255 */
212
213 #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
214 #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */
215
216 #undef CONFIG_WATCHDOG /* watchdog disabled */
217
218 #define CONFIG_TIMESTAMP /* Print image info with timestamp */
219
220
221 /*
222 * BOOTP options
223 */
224 #define CONFIG_BOOTP_SUBNETMASK
225 #define CONFIG_BOOTP_GATEWAY
226 #define CONFIG_BOOTP_HOSTNAME
227 #define CONFIG_BOOTP_BOOTPATH
228 #define CONFIG_BOOTP_BOOTFILESIZE
229
230
231 /*
232 * Command line configuration.
233 */
234 #include <config_cmd_default.h>
235
236 #define CONFIG_CMD_DHCP
237 #define CONFIG_CMD_I2C
238 #define CONFIG_CMD_EEPROM
239 #define CONFIG_CMD_NFS
240 #define CONFIG_CMD_SNTP
241
242
243 /*
244 * Miscellaneous configurable options
245 */
246 #define CONFIG_SYS_LONGHELP /* undef to save memory */
247 #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
248
249 #define CONFIG_CMDLINE_EDITING 1 /* add command line history */
250 #define CONFIG_SYS_HUSH_PARSER 1 /* Use the HUSH parser */
251 #ifdef CONFIG_SYS_HUSH_PARSER
252 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
253 #endif
254
255 #if defined(CONFIG_CMD_KGDB)
256 #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
257 #else
258 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
259 #endif
260 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
261 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
262 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
263
264 #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
265 #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
266
267 #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
268
269 #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
270
271 #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
272
273 #define CONFIG_SYS_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
274
275 /*
276 * For booting Linux, the board info and command line data
277 * have to be in the first 8 MB of memory, since this is
278 * the maximum mapped by the Linux kernel during initialization.
279 */
280 #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
281
282
283 /* What should the base address of the main FLASH be and how big is
284 * it (in MBytes)? This must contain CONFIG_SYS_TEXT_BASE from board/tqm8260/config.mk
285 * The main FLASH is whichever is connected to *CS0.
286 */
287 #define CONFIG_SYS_FLASH0_BASE 0x40000000
288 #define CONFIG_SYS_FLASH1_BASE 0x60000000
289 #define CONFIG_SYS_FLASH0_SIZE 32
290 #define CONFIG_SYS_FLASH1_SIZE 32
291
292 /* Flash bank size (for preliminary settings)
293 */
294 #define CONFIG_SYS_FLASH_SIZE CONFIG_SYS_FLASH0_SIZE
295
296 /*-----------------------------------------------------------------------
297 * FLASH organization
298 */
299 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max num of memory banks */
300 #define CONFIG_SYS_MAX_FLASH_SECT 128 /* max num of sects on one chip */
301
302 #define CONFIG_SYS_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
303 #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
304
305 /* use CFI flash driver */
306 #define CONFIG_SYS_FLASH_CFI 1 /* Flash is CFI conformant */
307 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use the common driver */
308 #define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
309 #define CONFIG_SYS_FLASH_EMPTY_INFO 1
310 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1
311
312 #define CONFIG_ENV_IS_IN_FLASH 1
313 #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + 0x40000)
314 #define CONFIG_ENV_SIZE 0x08000
315 #define CONFIG_ENV_SECT_SIZE 0x40000
316 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE)
317 #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE
318
319 /*-----------------------------------------------------------------------
320 * Hardware Information Block
321 */
322 #define CONFIG_SYS_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
323 #define CONFIG_SYS_HWINFO_SIZE 0x00000040 /* size of HW Info block */
324 #define CONFIG_SYS_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
325
326 /*-----------------------------------------------------------------------
327 * Hard Reset Configuration Words
328 *
329 * if you change bits in the HRCW, you must also change the CONFIG_SYS_*
330 * defines for the various registers affected by the HRCW e.g. changing
331 * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR.
332 */
333 #define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
334
335 #if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
336 # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
337 #else /* ! MPC8255 && !MPC8265 */
338 # if defined(CONFIG_266MHz)
339 # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
340 # elif defined(CONFIG_300MHz)
341 # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
342 # else
343 # define CONFIG_SYS_HRCW_MASTER (__HRCW__ALL__)
344 # endif
345 #endif /* CONFIG_MPC8255 */
346
347 /* no slaves so just fill with zeros */
348 #define CONFIG_SYS_HRCW_SLAVE1 0
349 #define CONFIG_SYS_HRCW_SLAVE2 0
350 #define CONFIG_SYS_HRCW_SLAVE3 0
351 #define CONFIG_SYS_HRCW_SLAVE4 0
352 #define CONFIG_SYS_HRCW_SLAVE5 0
353 #define CONFIG_SYS_HRCW_SLAVE6 0
354 #define CONFIG_SYS_HRCW_SLAVE7 0
355
356 /*-----------------------------------------------------------------------
357 * Internal Memory Mapped Register
358 */
359 #define CONFIG_SYS_IMMR 0xFFF00000
360
361 /*-----------------------------------------------------------------------
362 * Definitions for initial stack pointer and data area (in DPRAM)
363 */
364 #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR
365 #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */
366 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
367 #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
368
369 /*-----------------------------------------------------------------------
370 * Start addresses for the final memory configuration
371 * (Set up by the startup code)
372 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
373 *
374 * 60x SDRAM is mapped at CONFIG_SYS_SDRAM_BASE, local SDRAM
375 * is mapped at SDRAM_BASE2_PRELIM.
376 */
377 #define CONFIG_SYS_SDRAM_BASE 0x00000000
378 #define CONFIG_SYS_FLASH_BASE CONFIG_SYS_FLASH0_BASE
379 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
380 #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
381 #define CONFIG_SYS_MALLOC_LEN (512 << 10) /* Reserve 512 kB for malloc()*/
382
383 /*-----------------------------------------------------------------------
384 * Cache Configuration
385 */
386 #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */
387 #if defined(CONFIG_CMD_KGDB)
388 # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value */
389 #endif
390
391 /*-----------------------------------------------------------------------
392 * HIDx - Hardware Implementation-dependent Registers 2-11
393 *-----------------------------------------------------------------------
394 * HID0 also contains cache control - initially enable both caches and
395 * invalidate contents, then the final state leaves only the instruction
396 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
397 * but Soft reset does not.
398 *
399 * HID1 has only read-only information - nothing to set.
400 */
401 #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
402 HID0_IFEM|HID0_ABE)
403 #define CONFIG_SYS_HID0_FINAL (HID0_IFEM|HID0_ABE)
404 #define CONFIG_SYS_HID2 0
405
406 /*-----------------------------------------------------------------------
407 * RMR - Reset Mode Register 5-5
408 *-----------------------------------------------------------------------
409 * turn on Checkstop Reset Enable
410 */
411 #define CONFIG_SYS_RMR RMR_CSRE
412
413 /*-----------------------------------------------------------------------
414 * BCR - Bus Configuration 4-25
415 *-----------------------------------------------------------------------
416 */
417 #ifdef CONFIG_BUSMODE_60x
418 #define CONFIG_SYS_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
419 BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
420 #else
421 #define BCR_APD01 0x10000000
422 #define CONFIG_SYS_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
423 #endif
424
425 /*-----------------------------------------------------------------------
426 * SIUMCR - SIU Module Configuration 4-31
427 *-----------------------------------------------------------------------
428 */
429 #if 0
430 #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
431 #else
432 #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
433 #endif
434
435
436 /*-----------------------------------------------------------------------
437 * SYPCR - System Protection Control 4-35
438 * SYPCR can only be written once after reset!
439 *-----------------------------------------------------------------------
440 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
441 */
442 #if defined(CONFIG_WATCHDOG)
443 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
444 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
445 #else
446 #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
447 SYPCR_SWRI|SYPCR_SWP)
448 #endif /* CONFIG_WATCHDOG */
449
450 /*-----------------------------------------------------------------------
451 * TMCNTSC - Time Counter Status and Control 4-40
452 *-----------------------------------------------------------------------
453 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
454 * and enable Time Counter
455 */
456 #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
457
458 /*-----------------------------------------------------------------------
459 * PISCR - Periodic Interrupt Status and Control 4-42
460 *-----------------------------------------------------------------------
461 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
462 * Periodic timer
463 */
464 #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
465
466 /*-----------------------------------------------------------------------
467 * SCCR - System Clock Control 9-8
468 *-----------------------------------------------------------------------
469 * Ensure DFBRG is Divide by 16
470 */
471 #define CONFIG_SYS_SCCR 0
472
473 /*-----------------------------------------------------------------------
474 * RCCR - RISC Controller Configuration 13-7
475 *-----------------------------------------------------------------------
476 */
477 #define CONFIG_SYS_RCCR 0
478
479 /*
480 * Init Memory Controller:
481 *
482 * Bank Bus Machine PortSz Device
483 * ---- --- ------- ------ ------
484 * 0 60x GPCM 64 bit FLASH
485 * 1 60x SDRAM 64 bit SDRAM
486 * 2 Local SDRAM 32 bit SDRAM
487 *
488 */
489
490 /* Initialize SDRAM on local bus
491 */
492 #define CONFIG_SYS_INIT_LOCAL_SDRAM
493
494 #define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
495
496 /* Minimum mask to separate preliminary
497 * address ranges for CS[0:2]
498 */
499 #define CONFIG_SYS_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
500 #define CONFIG_SYS_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
501
502 #define CONFIG_SYS_MPTPR 0x4000
503
504 /*-----------------------------------------------------------------------------
505 * Address for Mode Register Set (MRS) command
506 *-----------------------------------------------------------------------------
507 * In fact, the address is rather configuration data presented to the SDRAM on
508 * its address lines. Because the address lines may be mux'ed externally either
509 * for 8 column or 9 column devices, some bits appear twice in the 8260's
510 * address:
511 *
512 * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
513 * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
514 * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
515 * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
516 * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
517 *-----------------------------------------------------------------------------
518 */
519 #define CONFIG_SYS_MRS_OFFS 0x00000110
520
521
522 /* Bank 0 - FLASH
523 */
524 #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_FLASH_BASE & BRx_BA_MSK) |\
525 BRx_PS_64 |\
526 BRx_MS_GPCM_P |\
527 BRx_V)
528
529 #define CONFIG_SYS_OR0_PRELIM (MEG_TO_AM(CONFIG_SYS_FLASH_SIZE) |\
530 ORxG_CSNT |\
531 ORxG_ACS_DIV1 |\
532 ORxG_SCY_3_CLK |\
533 ORxG_EHTR |\
534 ORxG_TRLX)
535
536 /* SDRAM on TQM8260 can have either 8 or 9 columns.
537 * The number affects configuration values.
538 */
539
540 /* Bank 1 - 60x bus SDRAM
541 */
542 #define CONFIG_SYS_PSRT 0x20
543 #define CONFIG_SYS_LSRT 0x20
544 #ifndef CONFIG_SYS_RAMBOOT
545 #define CONFIG_SYS_BR1_PRELIM ((CONFIG_SYS_SDRAM_BASE & BRx_BA_MSK) |\
546 BRx_PS_64 |\
547 BRx_MS_SDRAM_P |\
548 BRx_V)
549
550 #define CONFIG_SYS_OR1_PRELIM CONFIG_SYS_OR1_8COL
551
552
553 /* SDRAM initialization values for 8-column chips
554 */
555 #define CONFIG_SYS_OR1_8COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
556 ORxS_BPD_4 |\
557 ORxS_ROWST_PBI1_A7 |\
558 ORxS_NUMR_12)
559
560 #define CONFIG_SYS_PSDMR_8COL (PSDMR_PBI |\
561 PSDMR_SDAM_A15_IS_A5 |\
562 PSDMR_BSMA_A12_A14 |\
563 PSDMR_SDA10_PBI1_A8 |\
564 PSDMR_RFRC_7_CLK |\
565 PSDMR_PRETOACT_2W |\
566 PSDMR_ACTTORW_2W |\
567 PSDMR_LDOTOPRE_1C |\
568 PSDMR_WRC_2C |\
569 PSDMR_EAMUX |\
570 PSDMR_CL_2)
571
572 /* SDRAM initialization values for 9-column chips
573 */
574 #define CONFIG_SYS_OR1_9COL ((~(CONFIG_SYS_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
575 ORxS_BPD_4 |\
576 ORxS_ROWST_PBI1_A5 |\
577 ORxS_NUMR_13)
578
579 #define CONFIG_SYS_PSDMR_9COL (PSDMR_PBI |\
580 PSDMR_SDAM_A16_IS_A5 |\
581 PSDMR_BSMA_A12_A14 |\
582 PSDMR_SDA10_PBI1_A7 |\
583 PSDMR_RFRC_7_CLK |\
584 PSDMR_PRETOACT_2W |\
585 PSDMR_ACTTORW_2W |\
586 PSDMR_LDOTOPRE_1C |\
587 PSDMR_WRC_2C |\
588 PSDMR_EAMUX |\
589 PSDMR_CL_2)
590
591 /* Bank 2 - Local bus SDRAM
592 */
593 #ifdef CONFIG_SYS_INIT_LOCAL_SDRAM
594 #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
595 BRx_PS_32 |\
596 BRx_MS_SDRAM_L |\
597 BRx_V)
598
599 #define CONFIG_SYS_OR2_PRELIM CONFIG_SYS_OR2_8COL
600
601 #define SDRAM_BASE2_PRELIM 0x80000000
602
603 /* SDRAM initialization values for 8-column chips
604 */
605 #define CONFIG_SYS_OR2_8COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
606 ORxS_BPD_4 |\
607 ORxS_ROWST_PBI1_A8 |\
608 ORxS_NUMR_12)
609
610 #define CONFIG_SYS_LSDMR_8COL (PSDMR_PBI |\
611 PSDMR_SDAM_A15_IS_A5 |\
612 PSDMR_BSMA_A13_A15 |\
613 PSDMR_SDA10_PBI1_A9 |\
614 PSDMR_RFRC_7_CLK |\
615 PSDMR_PRETOACT_2W |\
616 PSDMR_ACTTORW_2W |\
617 PSDMR_BL |\
618 PSDMR_LDOTOPRE_1C |\
619 PSDMR_WRC_2C |\
620 PSDMR_CL_2)
621
622 /* SDRAM initialization values for 9-column chips
623 */
624 #define CONFIG_SYS_OR2_9COL ((~(CONFIG_SYS_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
625 ORxS_BPD_4 |\
626 ORxS_ROWST_PBI1_A6 |\
627 ORxS_NUMR_13)
628
629 #define CONFIG_SYS_LSDMR_9COL (PSDMR_PBI |\
630 PSDMR_SDAM_A16_IS_A5 |\
631 PSDMR_BSMA_A13_A15 |\
632 PSDMR_SDA10_PBI1_A8 |\
633 PSDMR_RFRC_7_CLK |\
634 PSDMR_PRETOACT_2W |\
635 PSDMR_ACTTORW_2W |\
636 PSDMR_BL |\
637 PSDMR_LDOTOPRE_1C |\
638 PSDMR_WRC_2C |\
639 PSDMR_CL_2)
640
641 #endif /* CONFIG_SYS_INIT_LOCAL_SDRAM */
642
643 #endif /* CONFIG_SYS_RAMBOOT */
644
645 #endif /* __CONFIG_H */