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wdenk0f8c9762002-08-19 11:57:05 +00001/*
wdenk69141282003-07-07 20:07:54 +00002 * (C) Copyright 2001-2003
wdenk0f8c9762002-08-19 11:57:05 +00003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24/*
25 * board/config.h - configuration options, board specific
26 */
27
28#ifndef __CONFIG_H
29#define __CONFIG_H
30
31/*
32 * Imported from global configuration:
wdenk874ac262003-07-24 23:38:38 +000033 * CONFIG_MPC8255
34 * CONFIG_MPC8265
35 * CONFIG_200MHz
wdenk0f8c9762002-08-19 11:57:05 +000036 * CONFIG_266MHz
37 * CONFIG_300MHz
wdenk874ac262003-07-24 23:38:38 +000038 * CONFIG_L2_CACHE
39 * CONFIG_BUSMODE_60x
wdenk0f8c9762002-08-19 11:57:05 +000040 */
41
42/*
43 * High Level Configuration Options
44 * (easy to change)
45 */
46
47#define CONFIG_MPC8260 1 /* This is a MPC8260 CPU */
48
49#if 0
50#define CONFIG_TQM8260 100 /* ...on a TQM8260 module Rev.100 */
51#else
52#define CONFIG_TQM8260 200 /* ...on a TQM8260 module Rev.200 */
53#endif
54
wdenk0f8c9762002-08-19 11:57:05 +000055#define CONFIG_82xx_CONS_SMC1 1 /* console on SMC1 */
56
57#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
58
59#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
60
61#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
62
63#undef CONFIG_BOOTARGS
wdenk5840af22003-03-28 14:40:36 +000064
65#define CONFIG_EXTRA_ENV_SETTINGS \
66 "nfsargs=setenv bootargs root=/dev/nfs rw " \
67 "nfsroot=$(serverip):$(rootpath)\0" \
68 "ramargs=setenv bootargs root=/dev/ram rw\0" \
69 "addip=setenv bootargs $(bootargs) " \
70 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
71 ":$(hostname):$(netdev):off panic=1\0" \
72 "flash_nfs=run nfsargs addip;" \
73 "bootm $(kernel_addr)\0" \
74 "flash_self=run ramargs addip;" \
75 "bootm $(kernel_addr) $(ramdisk_addr)\0" \
76 "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
77 "rootpath=/opt/eldk/ppc_82xx\0" \
78 "bootfile=/tftpboot/TQM8260/uImage\0" \
79 "kernel_addr=40040000\0" \
80 "ramdisk_addr=40100000\0" \
81 ""
82#define CONFIG_BOOTCOMMAND "run flash_self"
wdenk0f8c9762002-08-19 11:57:05 +000083
84/* enable I2C and select the hardware/software driver */
85#undef CONFIG_HARD_I2C /* I2C with hardware support */
86#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
87#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
88#define CFG_I2C_SLAVE 0x7F
89
90/*
91 * Software (bit-bang) I2C driver configuration
92 */
93
94/* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
95#if (CONFIG_TQM8260 <= 100)
96
97#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
98#define I2C_ACTIVE (iop->pdir |= 0x00020000)
99#define I2C_TRISTATE (iop->pdir &= ~0x00020000)
100#define I2C_READ ((iop->pdat & 0x00020000) != 0)
101#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
102 else iop->pdat &= ~0x00020000
103#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
104 else iop->pdat &= ~0x00010000
105#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
106
107#else
108
109#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
110#define I2C_ACTIVE (iop->pdir |= 0x00010000)
111#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
112#define I2C_READ ((iop->pdat & 0x00010000) != 0)
113#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
114 else iop->pdat &= ~0x00010000
115#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
116 else iop->pdat &= ~0x00020000
117#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
118#endif
119
120#define CFG_I2C_EEPROM_ADDR 0x50
121#define CFG_I2C_EEPROM_ADDR_LEN 2
122#define CFG_EEPROM_PAGE_WRITE_BITS 4
123#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
124
125#define CONFIG_I2C_X
126
127/*
128 * select serial console configuration
129 *
130 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
131 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
132 * for SCC).
133 *
134 * if CONFIG_CONS_NONE is defined, then the serial console routines must
135 * defined elsewhere (for example, on the cogent platform, there are serial
136 * ports on the motherboard which are used for the serial console - see
137 * cogent/cma101/serial.[ch]).
138 */
139#define CONFIG_CONS_ON_SMC /* define if console on SMC */
140#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
141#undef CONFIG_CONS_NONE /* define if console on something else*/
142#ifdef CONFIG_82xx_CONS_SMC1
143#define CONFIG_CONS_INDEX 1 /* which serial channel for console */
144#endif
145#ifdef CONFIG_82xx_CONS_SMC2
146#define CONFIG_CONS_INDEX 2 /* which serial channel for console */
147#endif
148
149#undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
150#define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
151#define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
152
153/*
154 * select ethernet configuration
155 *
156 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
157 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
158 * for FCC)
159 *
160 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
161 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
162 * from CONFIG_COMMANDS to remove support for networking.
163 *
164 * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
165 * X.29 connector, and FCC2 is hardwired to the X.1 connector)
166 */
167#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
168#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
169#undef CONFIG_ETHER_NONE /* define if ether on something else */
170#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
171
172#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
173
174/*
175 * - RX clk is CLK11
176 * - TX clk is CLK12
177 */
178# define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
179
180#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
181
182/*
183 * - Rx-CLK is CLK13
184 * - Tx-CLK is CLK14
185 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
186 * - Enable Full Duplex in FSMR
187 */
188# define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
189# define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
190# define CFG_CPMFCR_RAMTYPE 0
191# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
192
193#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
194
195
196/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
wdenk874ac262003-07-24 23:38:38 +0000197#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk541a76d2003-05-03 15:50:43 +0000198# define CONFIG_8260_CLKIN 66666666 /* in Hz */
wdenk874ac262003-07-24 23:38:38 +0000199#else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
wdenk541a76d2003-05-03 15:50:43 +0000200# ifndef CONFIG_300MHz
201# define CONFIG_8260_CLKIN 66666666 /* in Hz */
202# else
203# define CONFIG_8260_CLKIN 83333000 /* in Hz */
204# endif
205#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000206
207#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
208#define CONFIG_BAUDRATE 230400
209#else
210#define CONFIG_BAUDRATE 9600
211#endif
212
213#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
214#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
215
216#undef CONFIG_WATCHDOG /* watchdog disabled */
217
218#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
219
220#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
221 CFG_CMD_I2C | \
222 CFG_CMD_EEPROM)
223
224/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
225#include <cmd_confdefs.h>
226
227/*
228 * Miscellaneous configurable options
229 */
230#define CFG_LONGHELP /* undef to save memory */
231#define CFG_PROMPT "=> " /* Monitor Command Prompt */
232#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
233#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
234#else
235#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
236#endif
237#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
238#define CFG_MAXARGS 16 /* max number of command args */
239#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
240
241#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
242#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
243
244#define CFG_LOAD_ADDR 0x100000 /* default load address */
245
246#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
247
248#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
249
250#define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
251
252/*
253 * For booting Linux, the board info and command line data
254 * have to be in the first 8 MB of memory, since this is
255 * the maximum mapped by the Linux kernel during initialization.
256 */
257#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
258
259
260/* What should the base address of the main FLASH be and how big is
261 * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
262 * The main FLASH is whichever is connected to *CS0.
263 */
264#define CFG_FLASH0_BASE 0x40000000
265#define CFG_FLASH1_BASE 0x60000000
266#define CFG_FLASH0_SIZE 32
267#define CFG_FLASH1_SIZE 32
268
269/* Flash bank size (for preliminary settings)
270 */
271#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
272
273/*-----------------------------------------------------------------------
274 * FLASH organization
275 */
276#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
277#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
278
279#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
280#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
281
282#if 0
283/* Start port with environment in flash; switch to EEPROM later */
284#define CFG_ENV_IS_IN_FLASH 1
285#define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
286#define CFG_ENV_SIZE 0x40000
287#define CFG_ENV_SECT_SIZE 0x40000
288#else
289/* Final version: environment in EEPROM */
290#define CFG_ENV_IS_IN_EEPROM 1
291#define CFG_ENV_OFFSET 0
292#define CFG_ENV_SIZE 2048
293#endif
294
295/*-----------------------------------------------------------------------
296 * Hardware Information Block
297 */
298#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
299#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
300#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
301
302/*-----------------------------------------------------------------------
303 * Hard Reset Configuration Words
304 *
305 * if you change bits in the HRCW, you must also change the CFG_*
306 * defines for the various registers affected by the HRCW e.g. changing
307 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
308 */
wdenk541a76d2003-05-03 15:50:43 +0000309#define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
310
wdenk874ac262003-07-24 23:38:38 +0000311#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk541a76d2003-05-03 15:50:43 +0000312# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
wdenk874ac262003-07-24 23:38:38 +0000313#else /* ! MPC8255 && !MPC8265 */
wdenk541a76d2003-05-03 15:50:43 +0000314# if defined(CONFIG_266MHz)
315# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
316# elif defined(CONFIG_300MHz)
317# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
318# else
319# define CFG_HRCW_MASTER (__HRCW__ALL__)
320# endif
321#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000322
323/* no slaves so just fill with zeros */
324#define CFG_HRCW_SLAVE1 0
325#define CFG_HRCW_SLAVE2 0
326#define CFG_HRCW_SLAVE3 0
327#define CFG_HRCW_SLAVE4 0
328#define CFG_HRCW_SLAVE5 0
329#define CFG_HRCW_SLAVE6 0
330#define CFG_HRCW_SLAVE7 0
331
332/*-----------------------------------------------------------------------
333 * Internal Memory Mapped Register
334 */
335#define CFG_IMMR 0xFFF00000
336
337/*-----------------------------------------------------------------------
338 * Definitions for initial stack pointer and data area (in DPRAM)
339 */
340#define CFG_INIT_RAM_ADDR CFG_IMMR
341#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
342#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
343#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
344#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
345
346/*-----------------------------------------------------------------------
347 * Start addresses for the final memory configuration
348 * (Set up by the startup code)
349 * Please note that CFG_SDRAM_BASE _must_ start at 0
350 *
351 * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
352 * is mapped at SDRAM_BASE2_PRELIM.
353 */
354#define CFG_SDRAM_BASE 0x00000000
355#define CFG_FLASH_BASE CFG_FLASH0_BASE
356#define CFG_MONITOR_BASE TEXT_BASE
357#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
358#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
359
360/*
361 * Internal Definitions
362 *
363 * Boot Flags
364 */
365#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
366#define BOOTFLAG_WARM 0x02 /* Software reboot */
367
368
369/*-----------------------------------------------------------------------
370 * Cache Configuration
371 */
372#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
373#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
374# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
375#endif
376
377/*-----------------------------------------------------------------------
378 * HIDx - Hardware Implementation-dependent Registers 2-11
379 *-----------------------------------------------------------------------
380 * HID0 also contains cache control - initially enable both caches and
381 * invalidate contents, then the final state leaves only the instruction
382 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
383 * but Soft reset does not.
384 *
385 * HID1 has only read-only information - nothing to set.
386 */
387#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
wdenk57b2d802003-06-27 21:31:46 +0000388 HID0_IFEM|HID0_ABE)
wdenk0f8c9762002-08-19 11:57:05 +0000389#define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
390#define CFG_HID2 0
391
392/*-----------------------------------------------------------------------
393 * RMR - Reset Mode Register 5-5
394 *-----------------------------------------------------------------------
395 * turn on Checkstop Reset Enable
396 */
397#define CFG_RMR RMR_CSRE
398
399/*-----------------------------------------------------------------------
400 * BCR - Bus Configuration 4-25
401 *-----------------------------------------------------------------------
402 */
403#ifdef CONFIG_BUSMODE_60x
404#define CFG_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
405 BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
406#else
407#define BCR_APD01 0x10000000
408#define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
409#endif
410
411/*-----------------------------------------------------------------------
412 * SIUMCR - SIU Module Configuration 4-31
413 *-----------------------------------------------------------------------
414 */
415#if 0
416#define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
417#else
418#define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
419#endif
420
421
422/*-----------------------------------------------------------------------
423 * SYPCR - System Protection Control 4-35
424 * SYPCR can only be written once after reset!
425 *-----------------------------------------------------------------------
426 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
427 */
428#if defined(CONFIG_WATCHDOG)
429#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk57b2d802003-06-27 21:31:46 +0000430 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
wdenk0f8c9762002-08-19 11:57:05 +0000431#else
432#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk57b2d802003-06-27 21:31:46 +0000433 SYPCR_SWRI|SYPCR_SWP)
wdenk0f8c9762002-08-19 11:57:05 +0000434#endif /* CONFIG_WATCHDOG */
435
436/*-----------------------------------------------------------------------
437 * TMCNTSC - Time Counter Status and Control 4-40
438 *-----------------------------------------------------------------------
439 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
440 * and enable Time Counter
441 */
442#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
443
444/*-----------------------------------------------------------------------
445 * PISCR - Periodic Interrupt Status and Control 4-42
446 *-----------------------------------------------------------------------
447 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
448 * Periodic timer
449 */
450#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
451
452/*-----------------------------------------------------------------------
453 * SCCR - System Clock Control 9-8
454 *-----------------------------------------------------------------------
455 * Ensure DFBRG is Divide by 16
456 */
457#define CFG_SCCR 0
458
459/*-----------------------------------------------------------------------
460 * RCCR - RISC Controller Configuration 13-7
461 *-----------------------------------------------------------------------
462 */
463#define CFG_RCCR 0
464
465/*
466 * Init Memory Controller:
467 *
468 * Bank Bus Machine PortSz Device
469 * ---- --- ------- ------ ------
470 * 0 60x GPCM 64 bit FLASH
471 * 1 60x SDRAM 64 bit SDRAM
472 * 2 Local SDRAM 32 bit SDRAM
473 *
474 */
475
476 /* Initialize SDRAM on local bus
477 */
478#define CFG_INIT_LOCAL_SDRAM
479
480#define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
481
482/* Minimum mask to separate preliminary
483 * address ranges for CS[0:2]
484 */
485#define CFG_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
486#define CFG_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
487
488#define CFG_MPTPR 0x4000
489
490/*-----------------------------------------------------------------------------
491 * Address for Mode Register Set (MRS) command
492 *-----------------------------------------------------------------------------
493 * In fact, the address is rather configuration data presented to the SDRAM on
494 * its address lines. Because the address lines may be mux'ed externally either
495 * for 8 column or 9 column devices, some bits appear twice in the 8260's
496 * address:
497 *
498 * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
499 * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
500 * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
501 * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
502 * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
503 *-----------------------------------------------------------------------------
504 */
505#define CFG_MRS_OFFS 0x00000110
506
507
508/* Bank 0 - FLASH
509 */
510#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000511 BRx_PS_64 |\
512 BRx_MS_GPCM_P |\
513 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000514
515#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
wdenk57b2d802003-06-27 21:31:46 +0000516 ORxG_CSNT |\
517 ORxG_ACS_DIV1 |\
518 ORxG_SCY_3_CLK |\
519 ORxG_EHTR |\
520 ORxG_TRLX)
wdenk0f8c9762002-08-19 11:57:05 +0000521
522 /* SDRAM on TQM8260 can have either 8 or 9 columns.
523 * The number affects configuration values.
524 */
525
526/* Bank 1 - 60x bus SDRAM
527 */
528#define CFG_PSRT 0x20
529#define CFG_LSRT 0x20
530#ifndef CFG_RAMBOOT
531#define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000532 BRx_PS_64 |\
533 BRx_MS_SDRAM_P |\
534 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000535
536#define CFG_OR1_PRELIM CFG_OR1_8COL
537
538
539 /* SDRAM initialization values for 8-column chips
540 */
541#define CFG_OR1_8COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000542 ORxS_BPD_4 |\
543 ORxS_ROWST_PBI1_A7 |\
544 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000545
546#define CFG_PSDMR_8COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000547 PSDMR_SDAM_A15_IS_A5 |\
548 PSDMR_BSMA_A12_A14 |\
549 PSDMR_SDA10_PBI1_A8 |\
550 PSDMR_RFRC_7_CLK |\
551 PSDMR_PRETOACT_2W |\
552 PSDMR_ACTTORW_2W |\
553 PSDMR_LDOTOPRE_1C |\
554 PSDMR_WRC_2C |\
555 PSDMR_EAMUX |\
556 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000557
558 /* SDRAM initialization values for 9-column chips
559 */
560#define CFG_OR1_9COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000561 ORxS_BPD_4 |\
562 ORxS_ROWST_PBI1_A5 |\
563 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000564
565#define CFG_PSDMR_9COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000566 PSDMR_SDAM_A16_IS_A5 |\
567 PSDMR_BSMA_A12_A14 |\
568 PSDMR_SDA10_PBI1_A7 |\
569 PSDMR_RFRC_7_CLK |\
570 PSDMR_PRETOACT_2W |\
571 PSDMR_ACTTORW_2W |\
572 PSDMR_LDOTOPRE_1C |\
573 PSDMR_WRC_2C |\
574 PSDMR_EAMUX |\
575 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000576
577/* Bank 2 - Local bus SDRAM
578 */
579#ifdef CFG_INIT_LOCAL_SDRAM
580#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000581 BRx_PS_32 |\
582 BRx_MS_SDRAM_L |\
583 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000584
585#define CFG_OR2_PRELIM CFG_OR2_8COL
586
587#define SDRAM_BASE2_PRELIM 0x80000000
588
589 /* SDRAM initialization values for 8-column chips
590 */
591#define CFG_OR2_8COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000592 ORxS_BPD_4 |\
593 ORxS_ROWST_PBI1_A8 |\
594 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000595
596#define CFG_LSDMR_8COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000597 PSDMR_SDAM_A15_IS_A5 |\
598 PSDMR_BSMA_A13_A15 |\
599 PSDMR_SDA10_PBI1_A9 |\
600 PSDMR_RFRC_7_CLK |\
601 PSDMR_PRETOACT_2W |\
602 PSDMR_ACTTORW_2W |\
603 PSDMR_BL |\
604 PSDMR_LDOTOPRE_1C |\
605 PSDMR_WRC_2C |\
606 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000607
608 /* SDRAM initialization values for 9-column chips
609 */
610#define CFG_OR2_9COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000611 ORxS_BPD_4 |\
612 ORxS_ROWST_PBI1_A6 |\
613 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000614
615#define CFG_LSDMR_9COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000616 PSDMR_SDAM_A16_IS_A5 |\
617 PSDMR_BSMA_A13_A15 |\
618 PSDMR_SDA10_PBI1_A8 |\
619 PSDMR_RFRC_7_CLK |\
620 PSDMR_PRETOACT_2W |\
621 PSDMR_ACTTORW_2W |\
622 PSDMR_BL |\
623 PSDMR_LDOTOPRE_1C |\
624 PSDMR_WRC_2C |\
625 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000626
627#endif /* CFG_INIT_LOCAL_SDRAM */
628
629#endif /* CFG_RAMBOOT */
630
631#endif /* __CONFIG_H */