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1/*
2 * (C) Copyright 2000
3 * Murray Jensen <Murray.Jensen@cmst.csiro.au>
4 *
5 * (C) Copyright 2000
6 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
7 * Marius Groeger <mgroeger@sysgo.de>
8 *
9 * (C) Copyright 2001
10 * Advent Networks, Inc. <http://www.adventnetworks.com>
11 * Jay Monkman <jtm@smoothsmoothie.com>
12 *
13 * Configuation settings for the WindRiver PPMC8260 board.
14 *
15 * See file CREDITS for list of people who contributed to this
16 * project.
17 *
18 * This program is free software; you can redistribute it and/or
19 * modify it under the terms of the GNU General Public License as
20 * published by the Free Software Foundation; either version 2 of
21 * the License, or (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 * MA 02111-1307 USA
32 */
33
34#ifndef __CONFIG_H
35#define __CONFIG_H
36
37/*****************************************************************************
38 *
39 * These settings must match the way _your_ board is set up
40 *
41 *****************************************************************************/
42
43/* What is the oscillator's (UX2) frequency in Hz? */
44#define CONFIG_8260_CLKIN (66 * 1000 * 1000)
45
46/*-----------------------------------------------------------------------
47 * MODCK_H & MODCLK[1-3] - Ref: Section 9.2 in MPC8206 User Manual
48 *-----------------------------------------------------------------------
49 * What should MODCK_H be? It is dependent on the oscillator
50 * frequency, MODCK[1-3], and desired CPM and core frequencies.
51 * Here are some example values (all frequencies are in MHz):
52 *
53 * MODCK_H MODCK[1-3] Osc CPM Core S2-6 S2-7 S2-8
54 * ------- ---------- --- --- ---- ----- ----- -----
55 * 0x2 0x2 33 133 133 Close Open Close
56 * 0x2 0x3 33 133 166 Close Open Open
57 * 0x2 0x4 33 133 200 Open Close Close
58 * 0x2 0x5 33 133 233 Open Close Open
59 * 0x2 0x6 33 133 266 Open Open Close
60 *
61 * 0x5 0x5 66 133 133 Open Close Open
62 * 0x5 0x6 66 133 166 Open Open Close
63 * 0x5 0x7 66 133 200 Open Open Open
64 * 0x6 0x0 66 133 233 Close Close Close
65 * 0x6 0x1 66 133 266 Close Close Open
66 * 0x6 0x2 66 133 300 Close Open Close
67 */
68#define CFG_PPMC_MODCK_H 0x05
69
70/* Define this if you want to boot from 0x00000100. If you don't define
71 * this, you will need to program the bootloader to 0xfff00000, and
72 * get the hardware reset config words at 0xfe000000. The simplest
73 * way to do that is to program the bootloader at both addresses.
74 * It is suggested that you just let U-Boot live at 0x00000000.
75 */
76#define CFG_PPMC_BOOT_LOW 1
77
78/* What should the base address of the main FLASH be and how big is
79 * it (in MBytes)? This must contain TEXT_BASE from board/ppmc8260/config.mk
80 * The main FLASH is whichever is connected to *CS0. U-Boot expects
81 * this to be the SIMM.
82 */
83#define CFG_FLASH0_BASE 0xFE000000
84#define CFG_FLASH0_SIZE 16
85
86/* What should be the base address of the first SDRAM DIMM and how big is
87 * it (in Mbytes)?
88*/
89#define CFG_SDRAM0_BASE 0x00000000
90#define CFG_SDRAM0_SIZE 128
91
92/* What should be the base address of the second SDRAM DIMM and how big is
93 * it (in Mbytes)?
94*/
95#define CFG_SDRAM1_BASE 0x08000000
96#define CFG_SDRAM1_SIZE 128
97
98/* What should be the base address of the on board SDRAM and how big is
99 * it (in Mbytes)?
100*/
101#define CFG_SDRAM2_BASE 0x38000000
102#define CFG_SDRAM2_SIZE 16
103
104/* What should be the base address of the MAILBOX and how big is it
105 * (in Bytes)
106 * The eeprom lives at CFG_MAILBOX_BASE + 0x80000000
107 */
108#define CFG_MAILBOX_BASE 0x32000000
109#define CFG_MAILBOX_SIZE 8192
110
111/* What is the base address of the I/O select lines and how big is it
112 * (In Mbytes)?
113 */
114
115#define CFG_IOSELECT_BASE 0xE0000000
116#define CFG_IOSELECT_SIZE 32
117
118
119/* What should be the base address of the LEDs and switch S0?
120 * If you don't want them enabled, don't define this.
121 */
122#define CFG_LED_BASE 0xF1000000
123
124/*
125 * PPMC8260 with 256 16 MB DIMM:
126 *
127 * 0x0000 0000 Exception Vector code, 8k
128 * :
129 * 0x0000 1FFF
130 * 0x0000 2000 Free for Application Use
131 * :
132 * :
133 *
134 * :
135 * :
136 * 0x0FF5 FF30 Monitor Stack (Growing downward)
137 * Monitor Stack Buffer (0x80)
138 * 0x0FF5 FFB0 Board Info Data
139 * 0x0FF6 0000 Malloc Arena
140 * : CFG_ENV_SECT_SIZE, 256k
141 * : CFG_MALLOC_LEN, 128k
142 * 0x0FFC 0000 RAM Copy of Monitor Code
143 * : CFG_MONITOR_LEN, 256k
144 * 0x0FFF FFFF [End of RAM], CFG_SDRAM_SIZE - 1
145 */
146
147
148/*
149 * select serial console configuration
150 *
151 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
152 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
153 * for SCC).
154 *
155 * if CONFIG_CONS_NONE is defined, then the serial console routines must
156 * defined elsewhere.
157 * The console can be on SMC1 or SMC2
158 */
159#define CONFIG_CONS_ON_SMC 1 /* define if console on SMC */
160#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
161#undef CONFIG_CONS_NONE /* define if console on neither */
162#define CONFIG_CONS_INDEX 1 /* which SMC/SCC channel for console */
163
164/*
165 * select ethernet configuration
166 *
167 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
168 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
169 * for FCC)
170 *
171 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
639221c7 172 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
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173 */
174
175#undef CONFIG_ETHER_ON_SCC /* define if ethernet on SCC */
176#define CONFIG_ETHER_ON_FCC /* define if ethernet on FCC */
177#undef CONFIG_ETHER_NONE /* define if ethernet on neither */
178#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
179#define CONFIG_MII /* MII PHY management */
180#define CONFIG_BITBANGMII /* bit-bang MII PHY management */
181/*
182 * Port pins used for bit-banged MII communictions (if applicable).
183 */
184#define MDIO_PORT 2 /* Port C */
185#define MDIO_ACTIVE (iop->pdir |= 0x00400000)
186#define MDIO_TRISTATE (iop->pdir &= ~0x00400000)
187#define MDIO_READ ((iop->pdat & 0x00400000) != 0)
188
189#define MDIO(bit) if(bit) iop->pdat |= 0x00400000; \
190 else iop->pdat &= ~0x00400000
191
192#define MDC(bit) if(bit) iop->pdat |= 0x00200000; \
193 else iop->pdat &= ~0x00200000
194
195#define MIIDELAY udelay(1)
196
197
198/* Define this to reserve an entire FLASH sector (256 KB) for
199 * environment variables. Otherwise, the environment will be
200 * put in the same sector as U-Boot, and changing variables
201 * will erase U-Boot temporarily
202 */
203#define CFG_ENV_IN_OWN_SECT 1
204
205/* Define to allow the user to overwrite serial and ethaddr */
206#define CONFIG_ENV_OVERWRITE
207
208/* What should the console's baud rate be? */
209#define CONFIG_BAUDRATE 9600
210
211/* Ethernet MAC address */
212
213#define CONFIG_ETHADDR 00:a0:1e:90:2b:00
214
215/* Define this to set the last octet of the ethernet address
216 * from the DS0-DS7 switch and light the leds with the result
217 * The DS0-DS7 switch and the leds are backwards with respect
218 * to each other. DS7 is on the board edge side of both the
219 * led strip and the DS0-DS7 switch.
220 */
221#define CONFIG_MISC_INIT_R
222
223/* Set to a positive value to delay for running BOOTCOMMAND */
224#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
225
226#if 0
227/* Be selective on what keys can delay or stop the autoboot process
228 * To stop use: " "
229 */
230# define CONFIG_AUTOBOOT_KEYED
231# define CONFIG_AUTOBOOT_PROMPT "Autobooting in %d seconds, press \" \" to stop\n"
232# define CONFIG_AUTOBOOT_STOP_STR " "
233# undef CONFIG_AUTOBOOT_DELAY_STR
234# define DEBUG_BOOTKEYS 0
235#endif
236
237/* Define a command string that is automatically executed when no character
238 * is read on the console interface withing "Boot Delay" after reset.
239 */
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240#undef CONFIG_BOOT_ROOT_INITRD /* Use ram disk for the root file system */
241#define CONFIG_BOOT_ROOT_NFS /* Use a NFS mounted root file system */
fe8c2806 242
42dfe7a1 243#ifdef CONFIG_BOOT_ROOT_INITRD
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244#define CONFIG_BOOTCOMMAND \
245 "version;" \
246 "echo;" \
247 "bootp;" \
248 "setenv bootargs root=/dev/ram0 rw " \
fe126d8b 249 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
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250 "bootm"
251#endif /* CONFIG_BOOT_ROOT_INITRD */
252
42dfe7a1 253#ifdef CONFIG_BOOT_ROOT_NFS
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254#define CONFIG_BOOTCOMMAND \
255 "version;" \
256 "echo;" \
257 "bootp;" \
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258 "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
259 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \
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260 "bootm"
261#endif /* CONFIG_BOOT_ROOT_NFS */
262
263/* Add support for a few extra bootp options like:
264 * - File size
265 * - DNS
266 */
267#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | \
268 CONFIG_BOOTP_BOOTFILESIZE | \
269 CONFIG_BOOTP_DNS)
270
271/* undef this to save memory */
272#define CFG_LONGHELP
273
274/* Monitor Command Prompt */
275#define CFG_PROMPT "=> "
276
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277
278/*
279 * Command line configuration.
280 */
281#include <config_cmd_default.h>
282
283#define CONFIG_CMD_ELF
284#define CONFIG_CMD_ASKENV
285#define CONFIG_CMD_REGINFO
286#define CONFIG_CMD_MEMTEST
287#define CONFIG_CMD_MII
288#define CONFIG_CMD_IMMAP
289
290#undef CONFIG_CMD_KGDB
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291
292
293/* Where do the internal registers live? */
294#define CFG_IMMR 0xf0000000
295
296/*****************************************************************************
297 *
298 * You should not have to modify any of the following settings
299 *
300 *****************************************************************************/
301
302#define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */
303#define CONFIG_PPMC8260 1 /* on an Wind River PPMC8260 Board */
9c4c5ae3 304#define CONFIG_CPM2 1 /* Has a CPM2 */
fe8c2806 305
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306/*
307 * Miscellaneous configurable options
308 */
26a34560 309#if defined(CONFIG_CMD_KGDB)
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310# define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
311#else
312# define CFG_CBSIZE 256 /* Console I/O Buffer Size */
313#endif
314
315/* Print Buffer Size */
316#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT)+16)
317
318#define CFG_MAXARGS 32 /* max number of command args */
319
320#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
321
322#define CFG_LOAD_ADDR 0x140000 /* default load address */
323#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
324
325#define CFG_MEMTEST_START 0x2000 /* memtest works from the end of */
326 /* the exception vector table */
327 /* to the end of the DRAM */
328 /* less monitor and malloc area */
329#define CFG_STACK_USAGE 0x10000 /* Reserve 64k for the stack usage */
330#define CFG_MEM_END_USAGE ( CFG_MONITOR_LEN \
331 + CFG_MALLOC_LEN \
332 + CFG_ENV_SECT_SIZE \
333 + CFG_STACK_USAGE )
334
335#define CFG_MEMTEST_END ( CFG_SDRAM_SIZE * 1024 * 1024 \
336 - CFG_MEM_END_USAGE )
337
338/* valid baudrates */
339#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
340
341/*
342 * Low Level Configuration Settings
343 * (address mappings, register initial values, etc.)
344 * You should know what you are doing if you make changes here.
345 */
346
347#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
348/*
349 * Attention: This is board specific
350 * - RX clk is CLK11
351 * - TX clk is CLK12
352 */
353#define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 |\
354 CMXSCR_TS1CS_CLK12)
355
356#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
357/*
358 * Attention: this is board-specific
359 * - Rx-CLK is CLK13
360 * - Tx-CLK is CLK14
361 * - Select bus for bd/buffers (see 28-13)
362 * - Enable Full Duplex in FSMR
363 */
364#define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
365#define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
366#define CFG_CPMFCR_RAMTYPE 0
367#define CFG_FCC_PSMR (FCC_PSMR_FDE | FCC_PSMR_LPB)
368#endif /* CONFIG_ETHER_INDEX */
369
370#define CFG_FLASH_BASE CFG_FLASH0_BASE
371#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
372#define CFG_SDRAM_BASE CFG_SDRAM0_BASE
373#define CFG_SDRAM_SIZE (CFG_SDRAM0_SIZE + CFG_SDRAM1_SIZE)
374
375/*-----------------------------------------------------------------------
376 * Hard Reset Configuration Words
377 */
378#if defined(CFG_PPMC_BOOT_LOW)
379# define CFG_PPMC_HRCW_BOOT_FLAGS (HRCW_CIP | HRCW_BMS)
380#else
381# define CFG_PPMC_HRCW_BOOT_FLAGS (0)
382#endif /* defined(CFG_PPMC_BOOT_LOW) */
383
384/* get the HRCW ISB field from CFG_IMMR */
385#define CFG_PPMC_HRCW_IMMR ( ((CFG_IMMR & 0x10000000) >> 10) | \
386 ((CFG_IMMR & 0x01000000) >> 7) | \
387 ((CFG_IMMR & 0x00100000) >> 4) )
388
389#define CFG_HRCW_MASTER ( HRCW_EBM | \
390 HRCW_BPS11 | \
391 HRCW_L2CPC10 | \
392 HRCW_DPPC00 | \
393 CFG_PPMC_HRCW_IMMR | \
394 HRCW_MMR00 | \
395 HRCW_LBPC00 | \
396 HRCW_APPC10 | \
397 HRCW_CS10PC00 | \
398 (CFG_PPMC_MODCK_H & HRCW_MODCK_H1111) | \
399 CFG_PPMC_HRCW_BOOT_FLAGS )
400
401/* no slaves */
402#define CFG_HRCW_SLAVE1 0
403#define CFG_HRCW_SLAVE2 0
404#define CFG_HRCW_SLAVE3 0
405#define CFG_HRCW_SLAVE4 0
406#define CFG_HRCW_SLAVE5 0
407#define CFG_HRCW_SLAVE6 0
408#define CFG_HRCW_SLAVE7 0
409
410/*-----------------------------------------------------------------------
411 * Definitions for initial stack pointer and data area (in DPRAM)
412 */
413#define CFG_INIT_RAM_ADDR CFG_IMMR
414#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
415#define CFG_GBL_DATA_SIZE 128 /* bytes reserved for initial data */
416#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
417#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
418
419/*-----------------------------------------------------------------------
420 * Start addresses for the final memory configuration
421 * (Set up by the startup code)
422 * Please note that CFG_SDRAM_BASE _must_ start at 0
423 * Note also that the logic that sets CFG_RAMBOOT is platform dependent.
424 */
425#define CFG_MONITOR_BASE CFG_FLASH0_BASE
426
427#ifndef CFG_MONITOR_BASE
428#define CFG_MONITOR_BASE 0x0ff80000
429#endif
430
431#if (CFG_MONITOR_BASE < CFG_FLASH_BASE)
432# define CFG_RAMBOOT
433#endif
434
435#define CFG_MONITOR_LEN (256 << 10) /* Reserve 374 kB for Monitor */
436#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
437
438/*
439 * For booting Linux, the board info and command line data
440 * have to be in the first 8 MB of memory, since this is
441 * the maximum mapped by the Linux kernel during initialization.
442 */
443#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
444
445/*-----------------------------------------------------------------------
446 * FLASH and environment organization
447 */
448
449#define CFG_FLASH_CFI 1 /* Flash is CFI conformant */
bf9e3b38 450#define CFG_FLASH_CFI_DRIVER 1 /* Use the common driver */
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451#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
452#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
453#define CFG_FLASH_INCREMENT 0 /* there is only one bank */
454#define CFG_FLASH_PROTECTION 1 /* use hardware protection */
455#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
456
457
458#ifndef CFG_RAMBOOT
459
460# define CFG_ENV_IS_IN_FLASH 1
461# ifdef CFG_ENV_IN_OWN_SECT
462# define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
463# define CFG_ENV_SECT_SIZE 0x40000
464# else
465# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_MONITOR_LEN - CFG_ENV_SECT_SIZE)
466# define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
467# define CFG_ENV_SECT_SIZE 0x40000 /* see README - env sect real size */
468# endif /* CFG_ENV_IN_OWN_SECT */
469
470#else
471# define CFG_ENV_IS_IN_FLASH 1
472# define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x40000)
473#define CFG_ENV_SIZE 0x1000
474# define CFG_ENV_SECT_SIZE 0x40000
475#endif /* CFG_RAMBOOT */
476
477/*-----------------------------------------------------------------------
478 * Cache Configuration
479 */
480#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
481
26a34560 482#if defined(CONFIG_CMD_KGDB)
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483# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
484#endif
485
486/*-----------------------------------------------------------------------
487 * HIDx - Hardware Implementation-dependent Registers 2-11
488 *-----------------------------------------------------------------------
489 * HID0 also contains cache control - initially enable both caches and
490 * invalidate contents, then the final state leaves only the instruction
491 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
492 * but Soft reset does not.
493 *
494 * HID1 has only read-only information - nothing to set.
495 */
496#define CFG_HID0_INIT (HID0_ICE |\
497 HID0_DCE |\
498 HID0_ICFI |\
499 HID0_DCI |\
500 HID0_IFEM |\
501 HID0_ABE)
502
503#define CFG_HID0_FINAL (HID0_ICE |\
504 HID0_IFEM |\
505 HID0_ABE |\
506 HID0_EMCP)
507#define CFG_HID2 0
508
509/*-----------------------------------------------------------------------
510 * RMR - Reset Mode Register
511 *-----------------------------------------------------------------------
512 */
513#define CFG_RMR 0
514
515/*-----------------------------------------------------------------------
516 * BCR - Bus Configuration 4-25
517 *-----------------------------------------------------------------------
518 */
519#define CFG_BCR (BCR_EBM |\
520 0x30000000)
521
522/*-----------------------------------------------------------------------
523 * SIUMCR - SIU Module Configuration 4-31
524 * Ref Section 4.3.2.6 page 4-31
525 *-----------------------------------------------------------------------
526 */
527
528#define CFG_SIUMCR (SIUMCR_ESE |\
529 SIUMCR_DPPC00 |\
530 SIUMCR_L2CPC10 |\
531 SIUMCR_LBPC00 |\
532 SIUMCR_APPC10 |\
533 SIUMCR_CS10PC00 |\
534 SIUMCR_BCTLC00 |\
535 SIUMCR_MMR00)
536
537
538/*-----------------------------------------------------------------------
539 * SYPCR - System Protection Control 11-9
540 * SYPCR can only be written once after reset!
541 *-----------------------------------------------------------------------
542 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
543 */
544#define CFG_SYPCR (SYPCR_SWTC |\
545 SYPCR_BMT |\
546 SYPCR_PBME |\
547 SYPCR_LBME |\
548 SYPCR_SWRI |\
549 SYPCR_SWP)
550
551/*-----------------------------------------------------------------------
552 * TMCNTSC - Time Counter Status and Control 4-40
553 *-----------------------------------------------------------------------
554 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
555 * and enable Time Counter
556 */
557#define CFG_TMCNTSC (TMCNTSC_SEC |\
558 TMCNTSC_ALR |\
559 TMCNTSC_TCF |\
560 TMCNTSC_TCE)
561
562/*-----------------------------------------------------------------------
563 * PISCR - Periodic Interrupt Status and Control 4-42
564 *-----------------------------------------------------------------------
565 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
566 * Periodic timer
567 */
568#define CFG_PISCR (PISCR_PS |\
569 PISCR_PTF |\
570 PISCR_PTE)
571
572/*-----------------------------------------------------------------------
573 * SCCR - System Clock Control 9-8
574 *-----------------------------------------------------------------------
575 */
576#define CFG_SCCR 0
577
578/*-----------------------------------------------------------------------
579 * RCCR - RISC Controller Configuration 13-7
580 *-----------------------------------------------------------------------
581 */
582#define CFG_RCCR 0
583
584/*
585 * Initialize Memory Controller:
586 *
587 * Bank Bus Machine PortSz Device
588 * ---- --- ------- ------ ------
589 * 0 60x GPCM 32 bit FLASH (SIMM - 32MB) *
590 * 1 unused
591 * 2 60x SDRAM 64 bit SDRAM (DIMM - 128MB)
592 * 3 60x SDRAM 64 bit SDRAM (DIMM - 128MB)
593 * 4 Local SDRAM 32 bit SDRAM (on board - 16MB)
594 * 5 60x GPCM 8 bit Mailbox/EEPROM (8KB)
595 * 6 60x GPCM 8 bit FLASH (on board - 2MB) *
596 * 7 60x GPCM 8 bit LEDs, switches
597 *
598 * (*) This configuration requires the PPMC8260 be configured
599 * so that *CS0 goes to the FLASH SIMM, and *CS6 goes to
600 * the on board FLASH. In other words, JP24 should have
601 * pins 1 and 2 jumpered and pins 3 and 4 jumpered.
602 *
603 */
604
605/*-----------------------------------------------------------------------
606 * BR0,BR1 - Base Register
607 * Ref: Section 10.3.1 on page 10-14
608 * OR0,OR1 - Option Register
609 * Ref: Section 10.3.2 on page 10-18
610 *-----------------------------------------------------------------------
611 */
612
613/* Bank 0,1 - FLASH SIMM
614 *
615 * This expects the FLASH SIMM to be connected to *CS0
616 * It consists of 4 AM29F080B parts.
617 *
618 * Note: For the 4 MB SIMM, *CS1 is unused.
619 */
620
621/* BR0 is configured as follows:
622 *
623 * - Base address of 0xFE000000
624 * - 32 bit port size
625 * - Data errors checking is disabled
626 * - Read and write access
627 * - GPCM 60x bus
628 * - Access are handled by the memory controller according to MSEL
629 * - Not used for atomic operations
630 * - No data pipelining is done
631 * - Valid
632 */
633#define CFG_BR0_PRELIM ((CFG_FLASH0_BASE & BRx_BA_MSK) |\
634 BRx_PS_32 |\
635 BRx_MS_GPCM_P |\
636 BRx_V)
637
638/* OR0 is configured as follows:
639 *
640 * - 32 MB
641 * - *BCTL0 is asserted upon access to the current memory bank
642 * - *CW / *WE are negated a quarter of a clock earlier
643 * - *CS is output at the same time as the address lines
644 * - Uses a clock cycle length of 5
645 * - *PSDVAL is generated internally by the memory controller
646 * unless *GTA is asserted earlier externally.
647 * - Relaxed timing is generated by the GPCM for accesses
648 * initiated to this memory region.
649 * - One idle clock is inserted between a read access from the
650 * current bank and the next access.
651 */
652#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH0_SIZE) |\
653 ORxG_CSNT |\
654 ORxG_ACS_DIV1 |\
655 ORxG_SCY_5_CLK |\
656 ORxG_TRLX |\
657 ORxG_EHTR)
658
659/*-----------------------------------------------------------------------
660 * BR2,BR3 - Base Register
661 * Ref: Section 10.3.1 on page 10-14
662 * OR2,OR3 - Option Register
663 * Ref: Section 10.3.2 on page 10-16
664 *-----------------------------------------------------------------------
665 */
666
667/*
668 * Bank 2,3 - 128 MB SDRAM DIMM
669 */
670
671/* With a 128 MB DIMM, the BR2 is configured as follows:
672 *
673 * - Base address of 0x00000000/0x08000000
674 * - 64 bit port size (60x bus only)
675 * - Data errors checking is disabled
676 * - Read and write access
677 * - SDRAM 60x bus
678 * - Access are handled by the memory controller according to MSEL
679 * - Not used for atomic operations
680 * - No data pipelining is done
681 * - Valid
682 */
683#define CFG_BR2_PRELIM ((CFG_SDRAM0_BASE & BRx_BA_MSK) |\
684 BRx_PS_64 |\
685 BRx_MS_SDRAM_P |\
686 BRx_V)
687
688#define CFG_BR3_PRELIM ((CFG_SDRAM1_BASE & BRx_BA_MSK) |\
689 BRx_PS_64 |\
690 BRx_MS_SDRAM_P |\
691 BRx_V)
692
693/* With a 128 MB DIMM, the OR2 is configured as follows:
694 *
695 * - 128 MB
696 * - 4 internal banks per device
697 * - Row start address bit is A8 with PSDMR[PBI] = 0
698 * - 13 row address lines
699 * - Back-to-back page mode
700 * - Internal bank interleaving within save device enabled
701 */
702
703#define CFG_OR2_PRELIM (MEG_TO_AM(CFG_SDRAM0_SIZE) |\
704 ORxS_BPD_4 |\
705 ORxS_ROWST_PBI0_A7 |\
706 ORxS_NUMR_13)
707
708#define CFG_OR3_PRELIM (MEG_TO_AM(CFG_SDRAM1_SIZE) |\
709 ORxS_BPD_4 |\
710 ORxS_ROWST_PBI0_A7 |\
711 ORxS_NUMR_13)
712
713
714/*-----------------------------------------------------------------------
715 * PSDMR - 60x Bus SDRAM Mode Register
716 * Ref: Section 10.3.3 on page 10-21
717 *-----------------------------------------------------------------------
718 */
719
720/* With a 128 MB DIMM, the PSDMR is configured as follows:
721 *
722 * - Page Based Interleaving,
723 * - Refresh Enable,
724 * - Normal Operation
725 * - Address Multiplexing where A5 is output on A14 pin
726 * (A6 on A15, and so on),
727 * - use address pins A13-A15 as bank select,
728 * - A9 is output on SDA10 during an ACTIVATE command,
729 * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
730 * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
731 * is 3 clocks,
732 * - earliest timing for READ/WRITE command after ACTIVATE command is
733 * 2 clocks,
734 * - earliest timing for PRECHARGE after last data was read is 1 clock,
735 * - earliest timing for PRECHARGE after last data was written is 1 clock,
736 * - External Address Multiplexing enabled
737 * - CAS Latency is 2.
738 */
739#define CFG_PSDMR (PSDMR_RFEN |\
740 PSDMR_SDAM_A14_IS_A5 |\
741 PSDMR_BSMA_A13_A15 |\
742 PSDMR_SDA10_PBI0_A9 |\
743 PSDMR_RFRC_7_CLK |\
744 PSDMR_PRETOACT_3W |\
745 PSDMR_ACTTORW_2W |\
746 PSDMR_LDOTOPRE_1C |\
747 PSDMR_WRC_1C |\
748 PSDMR_EAMUX |\
749 PSDMR_CL_2)
750
751
752#define CFG_PSRT 0x0e
753#define CFG_MPTPR MPTPR_PTP_DIV32
754
755
756/*-----------------------------------------------------------------------
757 * BR4 - Base Register
758 * Ref: Section 10.3.1 on page 10-14
759 * OR4 - Option Register
760 * Ref: Section 10.3.2 on page 10-16
761 *-----------------------------------------------------------------------
762 */
763
764/*
765 * Bank 4 - On board SDRAM
766 *
767 */
768/* With 16 MB of onboard SDRAM BR4 is configured as follows
769 *
770 * - Base address 0x38000000
771 * - 32 bit port size
772 * - Data error checking disabled
773 * - Read/Write access
774 * - SDRAM local bus
775 * - Not used for atomic operations
776 * - No data pipelining is done
777 * - Valid
778 *
779 */
780
781#define CFG_BR4_PRELIM ((CFG_SDRAM2_BASE & BRx_BA_MSK) |\
782 BRx_PS_32 |\
783 BRx_DECC_NONE |\
784 BRx_MS_SDRAM_L |\
785 BRx_V)
786
787/*
788 * With 16MB SDRAM, OR4 is configured as follows
789 * - 4 internal banks per device
790 * - Row start address bit is A10 with LSDMR[PBI] = 0
791 * - 12 row address lines
792 * - Back-to-back page mode
793 * - Internal bank interleaving within save device enabled
794 */
795
796#define CFG_OR4_PRELIM (MEG_TO_AM(CFG_SDRAM2_SIZE) |\
797 ORxS_BPD_4 |\
798 ORxS_ROWST_PBI0_A10 |\
799 ORxS_NUMR_12)
800
801
802/*-----------------------------------------------------------------------
803 * LSDMR - Local Bus SDRAM Mode Register
804 * Ref: Section 10.3.4 on page 10-24
805 *-----------------------------------------------------------------------
806 */
807
808/* With a 16 MB onboard SDRAM, the LSDMR is configured as follows:
809 *
810 * - Page Based Interleaving,
811 * - Refresh Enable,
812 * - Normal Operation
813 * - Address Multiplexing where A5 is output on A13 pin
814 * (A6 on A15, and so on),
815 * - use address pins A15-A17 as bank select,
816 * - A11 is output on SDA10 during an ACTIVATE command,
817 * - earliest timing for ACTIVATE command after REFRESH command is 7 clocks,
818 * - earliest timing for ACTIVATE or REFRESH command after PRECHARGE command
819 * is 2 clocks,
820 * - earliest timing for READ/WRITE command after ACTIVATE command is
821 * 2 clocks,
822 * - SDRAM burst length is 8
823 * - earliest timing for PRECHARGE after last data was read is 1 clock,
824 * - earliest timing for PRECHARGE after last data was written is 1 clock,
825 * - External Address Multiplexing disabled
826 * - CAS Latency is 2.
827 */
828#define CFG_LSDMR (PSDMR_RFEN |\
829 PSDMR_SDAM_A13_IS_A5 |\
830 PSDMR_BSMA_A15_A17 |\
831 PSDMR_SDA10_PBI0_A11 |\
832 PSDMR_RFRC_7_CLK |\
833 PSDMR_PRETOACT_2W |\
834 PSDMR_ACTTORW_2W |\
835 PSDMR_BL |\
836 PSDMR_LDOTOPRE_1C |\
837 PSDMR_WRC_1C |\
838 PSDMR_CL_2)
839
840#define CFG_LSRT 0x0e
841
842/*-----------------------------------------------------------------------
843 * BR5 - Base Register
844 * Ref: Section 10.3.1 on page 10-14
845 * OR5 - Option Register
846 * Ref: Section 10.3.2 on page 10-16
847 *-----------------------------------------------------------------------
848 */
849
850/*
851 * Bank 5 EEProm and Mailbox
852 *
853 * The EEPROM and mailbox live on the same chip select.
854 * the eeprom is selected if the MSb of the address is set and the mailbox is
855 * selected if the MSb of the address is clear.
856 *
857 */
858
859/* BR5 is configured as follows:
860 *
861 * - Base address of 0x32000000/0xF2000000
862 * - 8 bit
863 * - Data error checking disabled
864 * - Read/Write access
865 * - GPCM 60x Bus
866 * - SDRAM local bus
867 * - No data pipelining is done
868 * - Valid
869 */
870
871#define CFG_BR5_PRELIM ((CFG_MAILBOX_BASE & BRx_BA_MSK) |\
872 BRx_PS_8 |\
873 BRx_DECC_NONE |\
874 BRx_MS_GPCM_P |\
875 BRx_V)
876/* OR5 is configured as follows
877 * - buffer control enabled
878 * - chip select negated normally
879 * - CS output 1/2 clock after address
880 * - 15 wait states
881 * - *PSDVAL is generated internally by the memory controller
882 * unless *GTA is asserted earlier externally.
883 * - Relaxed timing is generated by the GPCM for accesses
884 * initiated to this memory region.
885 * - One idle clock is inserted between a read access from the
886 * current bank and the next access.
887 */
888
889#define CFG_OR5_PRELIM ((P2SZ_TO_AM(CFG_MAILBOX_SIZE) & ~0x80000000) |\
890 ORxG_ACS_DIV2 |\
891 ORxG_SCY_15_CLK |\
892 ORxG_TRLX |\
893 ORxG_EHTR)
894
895/*-----------------------------------------------------------------------
896 * BR6 - Base Register
897 * Ref: Section 10.3.1 on page 10-14
898 * OR6 - Option Register
899 * Ref: Section 10.3.2 on page 10-18
900 *-----------------------------------------------------------------------
901 */
902
903/* Bank 6 - I/O select
904 *
905 */
906
907/* BR6 is configured as follows:
908 *
909 * - Base address of 0xE0000000
910 * - 16 bit port size
911 * - Data errors checking is disabled
912 * - Read and write access
913 * - GPCM 60x bus
914 * - Access are handled by the memory controller according to MSEL
915 * - Not used for atomic operations
916 * - No data pipelining is done
917 * - Valid
918 */
919#define CFG_BR6_PRELIM ((CFG_IOSELECT_BASE & BRx_BA_MSK) |\
920 BRx_PS_16 |\
921 BRx_MS_GPCM_P |\
922 BRx_V)
923
924/* OR6 is configured as follows
925 * - buffer control enabled
926 * - chip select negated normally
927 * - CS output 1/2 clock after address
928 * - 15 wait states
929 * - *PSDVAL is generated internally by the memory controller
930 * unless *GTA is asserted earlier externally.
931 * - Relaxed timing is generated by the GPCM for accesses
932 * initiated to this memory region.
933 * - One idle clock is inserted between a read access from the
934 * current bank and the next access.
935 */
936
937#define CFG_OR6_PRELIM (MEG_TO_AM(CFG_IOSELECT_SIZE) |\
938 ORxG_ACS_DIV2 |\
939 ORxG_SCY_15_CLK |\
940 ORxG_TRLX |\
941 ORxG_EHTR)
942
943
944/*-----------------------------------------------------------------------
945 * BR7 - Base Register
946 * Ref: Section 10.3.1 on page 10-14
947 * OR7 - Option Register
948 * Ref: Section 10.3.2 on page 10-18
949 *-----------------------------------------------------------------------
950 */
951
952/* Bank 7 - LEDs and switches
953 *
954 * LEDs are at 0x00001 (write only)
955 * switches are at 0x00001 (read only)
956 */
957#ifdef CFG_LED_BASE
958
959/* BR7 is configured as follows:
960 *
961 * - Base address of 0xA0000000
962 * - 8 bit port size
963 * - Data errors checking is disabled
964 * - Read and write access
965 * - GPCM 60x bus
966 * - Access are handled by the memory controller according to MSEL
967 * - Not used for atomic operations
968 * - No data pipelining is done
969 * - Valid
970 */
971#define CFG_BR7_PRELIM ((CFG_LED_BASE & BRx_BA_MSK) |\
972 BRx_PS_8 |\
973 BRx_DECC_NONE |\
974 BRx_MS_GPCM_P |\
975 BRx_V)
976
977/* OR7 is configured as follows:
978 *
979 * - 1 byte
980 * - *BCTL0 is asserted upon access to the current memory bank
981 * - *CW / *WE are negated a quarter of a clock earlier
982 * - *CS is output at the same time as the address lines
983 * - Uses a clock cycle length of 15
984 * - *PSDVAL is generated internally by the memory controller
985 * unless *GTA is asserted earlier externally.
986 * - Relaxed timing is generated by the GPCM for accesses
987 * initiated to this memory region.
988 * - One idle clock is inserted between a read access from the
989 * current bank and the next access.
990 */
991#define CFG_OR7_PRELIM (ORxG_AM_MSK |\
992 ORxG_CSNT |\
993 ORxG_ACS_DIV1 |\
994 ORxG_SCY_15_CLK |\
995 ORxG_TRLX |\
996 ORxG_EHTR)
997#endif /* CFG_LED_BASE */
998
999/*
1000 * Internal Definitions
1001 *
1002 * Boot Flags
1003 */
1004#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
1005#define BOOTFLAG_WARM 0x02 /* Software reboot */
1006
1007#endif /* __CONFIG_H */