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[u-boot.git] / include / configs / ep8260.h
1 /*
2 * (C) Copyright 2002
3 * Frank Panno <fpanno@delphintech.com>, Delphin Technology AG
4 *
5 * This file is based on similar values for other boards found in other
6 * U-Boot config files, and some that I found in the EP8260 manual.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27 /*
28 * board/config.h - configuration options, board specific
29 *
30 * Note: my board is a "SBC 8260 H, V.1.1"
31 * - 64M 60x Bus SDRAM
32 * - 32M Local Bus SDRAM
33 * - 16M Flash (4 x AM29DL323DB90WDI)
34 * - 128k NVRAM with RTC
35 */
36
37 #ifndef __CONFIG_H
38 #define __CONFIG_H
39
40 /* What is the oscillator's (UX2) frequency in Hz? */
41 #define CONFIG_8260_CLKIN (66 * 1000 * 1000)
42
43 /*-----------------------------------------------------------------------
44 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
45 *-----------------------------------------------------------------------
46 * What should MODCK_H be? It is dependent on the oscillator
47 * frequency, MODCK[1-3], and desired CPM and core frequencies.
48 * Here are some example values (all frequencies are in MHz):
49 *
50 * MODCK_H MODCK[1-3] Osc CPM Core
51 * ------- ---------- --- --- ----
52 * 0x2 0x2 33 133 133
53 * 0x2 0x3 33 133 166
54 * 0x2 0x4 33 133 200
55 * 0x2 0x5 33 133 233
56 * 0x2 0x6 33 133 266
57 *
58 * 0x5 0x5 66 133 133
59 * 0x5 0x6 66 133 166
60 * 0x5 0x7 66 133 200 *
61 * 0x6 0x0 66 133 233
62 * 0x6 0x1 66 133 266
63 * 0x6 0x2 66 133 300
64 */
65 #define CFG_SBC_MODCK_H 0x05
66
67 /* Define this if you want to boot from 0x00000100. If you don't define
68 * this, you will need to program the bootloader to 0xfff00000, and
69 * get the hardware reset config words at 0xfe000000. The simplest
70 * way to do that is to program the bootloader at both addresses.
71 * It is suggested that you just let U-Boot live at 0x00000000.
72 */
73 /* #define CFG_SBC_BOOT_LOW 1 */ /* only for HRCW */
74 /* #undef CFG_SBC_BOOT_LOW */
75
76 /* The reset command will not work as expected if the reset address does
77 * not point to the correct address.
78 */
79
80 #define CFG_RESET_ADDRESS 0xFFF00100
81
82 /* What should the base address of the main FLASH be and how big is
83 * it (in MBytes)? This must contain TEXT_BASE from board/ep8260/config.mk
84 * The main FLASH is whichever is connected to *CS0. U-Boot expects
85 * this to be the SIMM.
86 */
87 #define CFG_FLASH0_BASE 0xFF000000
88 #define CFG_FLASH0_SIZE 16
89
90 /* What should the base address of the secondary FLASH be and how big
91 * is it (in Mbytes)? The secondary FLASH is whichever is connected
92 * to *CS6. U-Boot expects this to be the on board FLASH. If you don't
93 * want it enabled, don't define these constants.
94 */
95 #define CFG_FLASH1_BASE 0
96 #define CFG_FLASH1_SIZE 0
97 #undef CFG_FLASH1_BASE
98 #undef CFG_FLASH1_SIZE
99
100 /* What should be the base address of SDRAM DIMM (60x bus) and how big is
101 * it (in Mbytes)?
102 */
103 #define CFG_SDRAM0_BASE 0x00000000
104 #define CFG_SDRAM0_SIZE 64
105
106 /* define CFG_LSDRAM if you want to enable the 32M SDRAM on the
107 * local bus (8260 local bus is NOT cacheable!)
108 */
109 /* #define CFG_LSDRAM */
110 #undef CFG_LSDRAM
111
112 #ifdef CFG_LSDRAM
113 /* What should be the base address of SDRAM DIMM (local bus) and how big is
114 * it (in Mbytes)?
115 */
116 #define CFG_SDRAM1_BASE 0x04000000
117 #define CFG_SDRAM1_SIZE 32
118 #else
119 #define CFG_SDRAM1_BASE 0
120 #define CFG_SDRAM1_SIZE 0
121 #undef CFG_SDRAM1_BASE
122 #undef CFG_SDRAM1_SIZE
123 #endif /* CFG_LSDRAM */
124
125 /* What should be the base address of NVRAM and how big is
126 * it (in Bytes)
127 */
128 #define CFG_NVRAM_BASE_ADDR 0xFa080000
129 #define CFG_NVRAM_SIZE (128*1024)-16
130
131 /* The RTC is a Dallas DS1556
132 */
133 #define CONFIG_RTC_DS1556
134
135 /* What should be the base address of the LEDs and switch S0?
136 * If you don't want them enabled, don't define this.
137 */
138 #define CFG_LED_BASE 0x00000000
139 #undef CFG_LED_BASE
140
141 /*
142 * select serial console configuration
143 *
144 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
145 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
146 * for SCC).
147 *
148 * if CONFIG_CONS_NONE is defined, then the serial console routines must
149 * defined elsewhere.
150 */
151 #define CONFIG_CONS_ON_SMC /* define if console on SMC */
152 #undef CONFIG_CONS_ON_SCC /* define if console on SCC */
153 #undef CONFIG_CONS_NONE /* define if console on neither */
154 #define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
155
156 /*
157 * select ethernet configuration
158 *
159 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
160 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
161 * for FCC)
162 *
163 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
164 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
165 * from CONFIG_COMMANDS to remove support for networking.
166 */
167 #undef CONFIG_ETHER_ON_SCC /* define if ethernet on SCC */
168 #define CONFIG_ETHER_ON_FCC /* define if ethernet on FCC */
169 #undef CONFIG_ETHER_NONE /* define if ethernet on neither */
170 #define CONFIG_ETHER_INDEX 3 /* which SCC/FCC channel for ethernet */
171
172 #if ( CONFIG_ETHER_INDEX == 3 )
173
174 /*
175 * - Rx-CLK is CLK15
176 * - Tx-CLK is CLK16
177 * - RAM for BD/Buffers is on the local Bus (see 28-13)
178 * - Enable Half Duplex in FSMR
179 */
180 # define CFG_CMXFCR_MASK (CMXFCR_FC3|CMXFCR_RF3CS_MSK|CMXFCR_TF3CS_MSK)
181 # define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK15|CMXFCR_TF3CS_CLK16)
182
183 /*
184 * - RAM for BD/Buffers is on the local Bus (see 28-13)
185 */
186 #ifdef CFG_LSDRAM
187 #define CFG_CPMFCR_RAMTYPE 3
188 #else /* CFG_LSDRAM */
189 #define CFG_CPMFCR_RAMTYPE 0
190 #endif /* CFG_LSDRAM */
191
192 /* - Enable Half Duplex in FSMR */
193 /* # define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB) */
194 # define CFG_FCC_PSMR 0
195
196 #else /* CONFIG_ETHER_INDEX */
197 # error "on EP8260 ethernet must be FCC3"
198 #endif /* CONFIG_ETHER_INDEX */
199
200 /*
201 * select i2c support configuration
202 *
203 * Supported configurations are {none, software, hardware} drivers.
204 * If the software driver is chosen, there are some additional
205 * configuration items that the driver uses to drive the port pins.
206 */
207 #undef CONFIG_HARD_I2C /* I2C with hardware support */
208 #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
209 #define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
210 #define CFG_I2C_SLAVE 0x7F
211
212 /*
213 * Software (bit-bang) I2C driver configuration
214 */
215 #ifdef CONFIG_SOFT_I2C
216 #define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
217 #define I2C_ACTIVE (iop->pdir |= 0x00010000)
218 #define I2C_TRISTATE (iop->pdir &= ~0x00010000)
219 #define I2C_READ ((iop->pdat & 0x00010000) != 0)
220 #define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
221 else iop->pdat &= ~0x00010000
222 #define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
223 else iop->pdat &= ~0x00020000
224 #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
225 #endif /* CONFIG_SOFT_I2C */
226
227 /* #define CONFIG_RTC_DS174x */
228
229 /* Define this to reserve an entire FLASH sector (256 KB) for
230 * environment variables. Otherwise, the environment will be
231 * put in the same sector as U-Boot, and changing variables
232 * will erase U-Boot temporarily
233 */
234 #define CFG_ENV_IN_OWN_SECT
235
236 /* Define to allow the user to overwrite serial and ethaddr */
237 #define CONFIG_ENV_OVERWRITE
238
239 /* What should the console's baud rate be? */
240 /* #define CONFIG_BAUDRATE 57600 */
241 #define CONFIG_BAUDRATE 115200
242
243 /* Ethernet MAC address */
244 #define CONFIG_ETHADDR 00:10:EC:00:30:8C
245
246 #define CONFIG_IPADDR 192.168.254.130
247 #define CONFIG_SERVERIP 192.168.254.49
248
249 /* Set to a positive value to delay for running BOOTCOMMAND */
250 #define CONFIG_BOOTDELAY -1
251
252 /* undef this to save memory */
253 #define CFG_LONGHELP
254
255 /* Monitor Command Prompt */
256 #define CFG_PROMPT "=> "
257
258 /* Define this variable to enable the "hush" shell (from
259 Busybox) as command line interpreter, thus enabling
260 powerful command line syntax like
261 if...then...else...fi conditionals or `&&' and '||'
262 constructs ("shell scripts").
263 If undefined, you get the old, much simpler behaviour
264 with a somewhat smapper memory footprint.
265 */
266 #define CFG_HUSH_PARSER
267 #define CFG_PROMPT_HUSH_PS2 "> "
268
269 /* What U-Boot subsytems do you want enabled? */
270 /*
271 */
272 #define CONFIG_COMMANDS ( CFG_CMD_ALL & \
273 ~CFG_CMD_BMP & \
274 ~CFG_CMD_BSP & \
275 ~CFG_CMD_DCR & \
276 ~CFG_CMD_DHCP & \
277 ~CFG_CMD_DOC & \
278 ~CFG_CMD_EEPROM & \
279 ~CFG_CMD_FDC & \
280 ~CFG_CMD_FDOS & \
281 ~CFG_CMD_HWFLOW & \
282 ~CFG_CMD_IDE & \
283 ~CFG_CMD_JFFS2 & \
284 ~CFG_CMD_KGDB & \
285 ~CFG_CMD_MII & \
286 ~CFG_CMD_MMC & \
287 ~CFG_CMD_NAND & \
288 ~CFG_CMD_PCI & \
289 ~CFG_CMD_PCMCIA & \
290 ~CFG_CMD_SCSI & \
291 ~CFG_CMD_SPI & \
292 ~CFG_CMD_USB & \
293 ~CFG_CMD_VFD & \
294 ~CFG_CMD_DTT )
295
296 /* Where do the internal registers live? */
297 #define CFG_IMMR 0xF0000000
298 #define CFG_DEFAULT_IMMR 0x00010000
299
300 /* Where do the on board registers (CS4) live? */
301 #define CFG_REGS_BASE 0xFA000000
302
303 /*****************************************************************************
304 *
305 * You should not have to modify any of the following settings
306 *
307 *****************************************************************************/
308
309 #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
310 #define CONFIG_EP8260 11 /* on an Embedded Planet EP8260 Board, Rev. 11 */
311
312 #define CONFIG_BOARD_PRE_INIT 1 /* Call board_pre_init */
313
314 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
315 #include <cmd_confdefs.h>
316
317 /*
318 * Miscellaneous configurable options
319 */
320 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
321 # define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
322 #else
323 # define CFG_CBSIZE 256 /* Console I/O Buffer Size */
324 #endif
325
326 /* Print Buffer Size */
327 #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
328
329 #define CFG_MAXARGS 8 /* max number of command args */
330
331 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
332
333 #ifdef CFG_LSDRAM
334 #define CFG_MEMTEST_START 0x04000000 /* memtest works on */
335 #define CFG_MEMTEST_END 0x06000000 /* 64-96 MB in SDRAM */
336 #else
337 #define CFG_MEMTEST_START 0x00000000 /* memtest works on */
338 #define CFG_MEMTEST_END 0x02000000 /* 0-32 MB in SDRAM */
339 #endif /* CFG_LSDRAM */
340
341 #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
342
343 #define CFG_LOAD_ADDR 0x00100000 /* default load address */
344 #define CFG_TFTP_LOADADDR 0x00100000 /* default load address for network file downloads */
345
346 #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
347
348 /* valid baudrates */
349 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
350
351 /*
352 * Low Level Configuration Settings
353 * (address mappings, register initial values, etc.)
354 * You should know what you are doing if you make changes here.
355 */
356
357 #define CFG_FLASH_BASE CFG_FLASH0_BASE
358 #define CFG_SDRAM_BASE CFG_SDRAM0_BASE
359
360 /*-----------------------------------------------------------------------
361 * Hard Reset Configuration Words
362 */
363
364 #if defined(CFG_SBC_BOOT_LOW)
365 # define CFG_SBC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
366 #else
367 # define CFG_SBC_HRCW_BOOT_FLAGS (0x00000000)
368 #endif /* defined(CFG_SBC_BOOT_LOW) */
369
370 /* get the HRCW ISB field from CFG_IMMR */
371 /*
372 #define CFG_SBC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) |\
373 ((CFG_IMMR & 0x01000000) >> 7) |\
374 ((CFG_IMMR & 0x00100000) >> 4) )
375
376 #define CFG_HRCW_MASTER (HRCW_EBM |\
377 HRCW_L2CPC01 |\
378 CFG_SBC_HRCW_IMMR |\
379 HRCW_APPC10 |\
380 HRCW_CS10PC01 |\
381 HRCW_MODCK_H0101 |\
382 CFG_SBC_HRCW_BOOT_FLAGS)
383 */
384 #define CFG_HRCW_MASTER 0x10400245
385
386 /* no slaves */
387 #define CFG_HRCW_SLAVE1 0
388 #define CFG_HRCW_SLAVE2 0
389 #define CFG_HRCW_SLAVE3 0
390 #define CFG_HRCW_SLAVE4 0
391 #define CFG_HRCW_SLAVE5 0
392 #define CFG_HRCW_SLAVE6 0
393 #define CFG_HRCW_SLAVE7 0
394
395 /*-----------------------------------------------------------------------
396 * Definitions for initial stack pointer and data area (in DPRAM)
397 */
398 #define CFG_INIT_RAM_ADDR CFG_IMMR
399 #define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
400 #define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
401 #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
402 #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
403
404 /*-----------------------------------------------------------------------
405 * Start addresses for the final memory configuration
406 * (Set up by the startup code)
407 * Please note that CFG_SDRAM_BASE _must_ start at 0
408 * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
409 */
410 #define CFG_MONITOR_BASE TEXT_BASE
411
412
413 #if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
414 # define CFG_RAMBOOT
415 #endif
416
417 #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
418 #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
419
420 /*
421 * For booting Linux, the board info and command line data
422 * have to be in the first 8 MB of memory, since this is
423 * the maximum mapped by the Linux kernel during initialization.
424 */
425 #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
426
427 /*-----------------------------------------------------------------------
428 * FLASH and environment organization
429 */
430 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
431 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
432
433 #define CFG_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */
434 #define CFG_FLASH_WRITE_TOUT 1 /* Timeout for Flash Write (in ms) */
435
436 #ifndef CFG_RAMBOOT
437 # define CFG_ENV_IS_IN_FLASH 1
438
439 # ifdef CFG_ENV_IN_OWN_SECT
440 # define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
441 # define CFG_ENV_SECT_SIZE 0x40000
442 # else
443 # define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
444 # define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
445 # define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sect real size */
446 # endif /* CFG_ENV_IN_OWN_SECT */
447 #else
448 # define CFG_ENV_IS_IN_NVRAM 1
449 # define CFG_ENV_ADDR (CFG_MONITOR_BASE - 0x1000)
450 # define CFG_ENV_SIZE 0x200
451 #endif /* CFG_RAMBOOT */
452
453 /*-----------------------------------------------------------------------
454 * Cache Configuration
455 */
456 #define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
457
458 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
459 # define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
460 #endif
461
462 /*-----------------------------------------------------------------------
463 * HIDx - Hardware Implementation-dependent Registers 2-11
464 *-----------------------------------------------------------------------
465 * HID0 also contains cache control - initially enable both caches and
466 * invalidate contents, then the final state leaves only the instruction
467 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
468 * but Soft reset does not.
469 *
470 * HID1 has only read-only information - nothing to set.
471 */
472 #define CFG_HID0_INIT (HID0_ICE |\
473 HID0_DCE |\
474 HID0_ICFI |\
475 HID0_DCI |\
476 HID0_IFEM |\
477 HID0_ABE)
478 #ifdef CFG_LSDRAM
479 /* 8260 local bus is NOT cacheable */
480 #define CFG_HID0_FINAL (/*HID0_ICE |*/\
481 HID0_IFEM |\
482 HID0_ABE |\
483 HID0_EMCP)
484 #else /* !CFG_LSDRAM */
485 #define CFG_HID0_FINAL (HID0_ICE |\
486 HID0_IFEM |\
487 HID0_ABE |\
488 HID0_EMCP)
489 #endif /* CFG_LSDRAM */
490
491 #define CFG_HID2 0
492
493 /*-----------------------------------------------------------------------
494 * RMR - Reset Mode Register
495 *-----------------------------------------------------------------------
496 */
497 #define CFG_RMR 0
498
499 /*-----------------------------------------------------------------------
500 * BCR - Bus Configuration 4-25
501 *-----------------------------------------------------------------------
502 */
503 /*#define CFG_BCR (BCR_EBM |\
504 BCR_PLDP |\
505 BCR_EAV |\
506 BCR_NPQM1)
507 */
508 #define CFG_BCR 0x80C08000
509 /*-----------------------------------------------------------------------
510 * SIUMCR - SIU Module Configuration 4-31
511 *-----------------------------------------------------------------------
512 */
513
514 #define CFG_SIUMCR (SIUMCR_L2CPC01 |\
515 SIUMCR_APPC10 |\
516 SIUMCR_CS10PC01)
517
518
519 /*-----------------------------------------------------------------------
520 * SYPCR - System Protection Control 11-9
521 * SYPCR can only be written once after reset!
522 *-----------------------------------------------------------------------
523 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
524 */
525 #ifdef CFG_LSDRAM
526 #define CFG_SYPCR (SYPCR_SWTC |\
527 SYPCR_BMT |\
528 SYPCR_PBME |\
529 SYPCR_LBME |\
530 SYPCR_SWP)
531 #else
532 #define CFG_SYPCR (SYPCR_SWTC |\
533 SYPCR_BMT |\
534 SYPCR_PBME |\
535 SYPCR_SWP)
536 #endif
537 /*-----------------------------------------------------------------------
538 * TMCNTSC - Time Counter Status and Control 4-40
539 *-----------------------------------------------------------------------
540 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
541 * and enable Time Counter
542 */
543 #define CFG_TMCNTSC (TMCNTSC_SEC |\
544 TMCNTSC_ALR |\
545 TMCNTSC_TCF |\
546 TMCNTSC_TCE)
547
548 /*-----------------------------------------------------------------------
549 * PISCR - Periodic Interrupt Status and Control 4-42
550 *-----------------------------------------------------------------------
551 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
552 * Periodic timer
553 */
554 /*#define CFG_PISCR (PISCR_PS |\
555 PISCR_PTF |\
556 PISCR_PTE)*/
557 #define CFG_PISCR 0
558 /*-----------------------------------------------------------------------
559 * SCCR - System Clock Control 9-8
560 *-----------------------------------------------------------------------
561 */
562 #define CFG_SCCR (SCCR_DFBRG01)
563
564 /*-----------------------------------------------------------------------
565 * RCCR - RISC Controller Configuration 13-7
566 *-----------------------------------------------------------------------
567 */
568 #define CFG_RCCR 0
569
570 /*-----------------------------------------------------------------------
571 * MPTPR - Memory Refresh Timer Prescale Register 10-32
572 *-----------------------------------------------------------------------
573 */
574 #define CFG_MPTPR (0x0A00 & MPTPR_PTP_MSK)
575
576 /*
577 * Init Memory Controller:
578 *
579 * Bank Bus Machine PortSz Device
580 * ---- --- ------- ------ ------
581 * 0 60x GPCM 64 bit FLASH (BGA - 16MB AMD AM29DL323DB90WDI)
582 * 1 60x SDRAM 64 bit SDRAM (BGA - 64MB Micron 48LC8M16A2TG)
583 * 2 Local SDRAM 32 bit SDRAM (BGA - 32MB Micron 48LC8M16A2TG)
584 * 3 unused
585 * 4 60x GPCM 8 bit Board Regs, NVRTC
586 * 5 unused
587 * 6 unused
588 * 7 unused
589 * 8 PCMCIA
590 * 9 unused
591 * 10 unused
592 * 11 unused
593 */
594
595 /*-----------------------------------------------------------------------
596 * BRx - Base Register
597 * Ref: Section 10.3.1 on page 10-14
598 * ORx - Option Register
599 * Ref: Section 10.3.2 on page 10-18
600 *-----------------------------------------------------------------------
601 */
602
603 /* Bank 0 - FLASH
604 *
605 */
606 #define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\
607 BRx_PS_64 |\
608 BRx_DECC_NONE |\
609 BRx_MS_GPCM_P |\
610 BRx_V)
611
612 #define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\
613 ORxG_CSNT |\
614 ORxG_ACS_DIV1 |\
615 ORxG_SCY_6_CLK |\
616 ORxG_EHTR)
617
618 /* Bank 1 - SDRAM
619 * PSDRAM
620 */
621 #define CFG_BR1_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
622 BRx_PS_64 |\
623 BRx_MS_SDRAM_P |\
624 BRx_V)
625
626 #define CFG_OR1_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\
627 ORxS_BPD_4 |\
628 ORxS_ROWST_PBI1_A6 |\
629 ORxS_NUMR_12)
630
631 #define CFG_PSDMR 0xC34E2462
632 #define CFG_PSRT 0x64
633
634
635 #ifdef CFG_LSDRAM
636 /* Bank 2 - SDRAM
637 * LSDRAM
638 */
639
640 #define CFG_BR2_PRELIM ((CFG_SDRAM1_BASE & BRx_BA_MSK) |\
641 BRx_PS_32 |\
642 BRx_MS_SDRAM_L |\
643 BRx_V)
644
645 #define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM1_SIZE) |\
646 ORxS_BPD_4 |\
647 ORxS_ROWST_PBI0_A9 |\
648 ORxS_NUMR_12)
649
650 #define CFG_LSDMR 0x416A2562
651 #define CFG_LSRT 0x64
652 #else
653 #define CFG_LSRT 0x0
654 #endif /* CFG_LSDRAM */
655
656 /* Bank 4 - On board registers
657 * NVRTC and BCSR
658 */
659 #define CFG_BR4_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
660 BRx_PS_8 |\
661 BRx_MS_GPCM_P |\
662 BRx_V)
663 /*
664 #define CFG_OR4_PRELIM (ORxG_AM_MSK |\
665 ORxG_CSNT |\
666 ORxG_ACS_DIV1 |\
667 ORxG_SCY_10_CLK |\
668 ORxG_TRLX)
669 */
670 #define CFG_OR4_PRELIM 0xfff00854
671
672 /* Bank 8 - On board registers
673 * PCMCIA (currently not working!)
674 */
675 #define CFG_BR8_PRELIM ((CFG_REGS_BASE & BRx_BA_MSK) |\
676 BRx_PS_16 |\
677 BRx_MS_GPCM_P |\
678 BRx_V)
679
680 #define CFG_OR8_PRELIM (ORxG_AM_MSK |\
681 ORxG_CSNT |\
682 ORxG_ACS_DIV1 |\
683 ORxG_SETA |\
684 ORxG_SCY_10_CLK)
685
686 /*
687 * Internal Definitions
688 *
689 * Boot Flags
690 */
691 #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
692 #define BOOTFLAG_WARM 0x02 /* Software reboot */
693
694 #endif /* __CONFIG_H */