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wdenk0f8c9762002-08-19 11:57:05 +00001/*
wdenk414eec32005-04-02 22:37:54 +00002 * (C) Copyright 2001-2005
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:
wdenk27b207f2003-07-24 23:38:38 +000033 * CONFIG_MPC8255
34 * CONFIG_MPC8265
35 * CONFIG_200MHz
wdenk0f8c9762002-08-19 11:57:05 +000036 * CONFIG_266MHz
37 * CONFIG_300MHz
wdenk27b207f2003-07-24 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
Jon Loeliger9c4c5ae2005-07-23 10:37:35 -050055#define CONFIG_CPM2 1 /* Has a CPM2 */
56
wdenk0f8c9762002-08-19 11:57:05 +000057#define CONFIG_82xx_CONS_SMC1 1 /* console on SMC1 */
58
59#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
60
wdenkae3af052003-08-07 22:18:11 +000061#define CONFIG_BOOTCOUNT_LIMIT
62
63#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
64#define CONFIG_BAUDRATE 230400
65#else
66#define CONFIG_BAUDRATE 9600
67#endif
wdenk0f8c9762002-08-19 11:57:05 +000068
69#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
70
71#undef CONFIG_BOOTARGS
wdenk506f0442003-03-28 14:40:36 +000072
73#define CONFIG_EXTRA_ENV_SETTINGS \
wdenkae3af052003-08-07 22:18:11 +000074 "netdev=eth0\0" \
wdenk506f0442003-03-28 14:40:36 +000075 "nfsargs=setenv bootargs root=/dev/nfs rw " \
Wolfgang Denkfe126d82005-11-20 21:40:11 +010076 "nfsroot=${serverip}:${rootpath}\0" \
wdenk506f0442003-03-28 14:40:36 +000077 "ramargs=setenv bootargs root=/dev/ram rw\0" \
Wolfgang Denkfe126d82005-11-20 21:40:11 +010078 "addip=setenv bootargs ${bootargs} " \
79 "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
80 ":${hostname}:${netdev}:off panic=1\0" \
wdenk506f0442003-03-28 14:40:36 +000081 "flash_nfs=run nfsargs addip;" \
Wolfgang Denkfe126d82005-11-20 21:40:11 +010082 "bootm ${kernel_addr}\0" \
wdenk506f0442003-03-28 14:40:36 +000083 "flash_self=run ramargs addip;" \
Wolfgang Denkfe126d82005-11-20 21:40:11 +010084 "bootm ${kernel_addr} ${ramdisk_addr}\0" \
85 "net_nfs=tftp 200000 ${bootfile};run nfsargs addip;bootm\0" \
wdenk506f0442003-03-28 14:40:36 +000086 "rootpath=/opt/eldk/ppc_82xx\0" \
87 "bootfile=/tftpboot/TQM8260/uImage\0" \
88 "kernel_addr=40040000\0" \
89 "ramdisk_addr=40100000\0" \
90 ""
91#define CONFIG_BOOTCOMMAND "run flash_self"
wdenk0f8c9762002-08-19 11:57:05 +000092
93/* enable I2C and select the hardware/software driver */
94#undef CONFIG_HARD_I2C /* I2C with hardware support */
95#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
96#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
97#define CFG_I2C_SLAVE 0x7F
98
99/*
100 * Software (bit-bang) I2C driver configuration
101 */
102
103/* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
104#if (CONFIG_TQM8260 <= 100)
105
106#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
107#define I2C_ACTIVE (iop->pdir |= 0x00020000)
108#define I2C_TRISTATE (iop->pdir &= ~0x00020000)
109#define I2C_READ ((iop->pdat & 0x00020000) != 0)
110#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
111 else iop->pdat &= ~0x00020000
112#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
113 else iop->pdat &= ~0x00010000
114#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
115
116#else
117
118#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
119#define I2C_ACTIVE (iop->pdir |= 0x00010000)
120#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
121#define I2C_READ ((iop->pdat & 0x00010000) != 0)
122#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
123 else iop->pdat &= ~0x00010000
124#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
125 else iop->pdat &= ~0x00020000
126#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
127#endif
128
129#define CFG_I2C_EEPROM_ADDR 0x50
130#define CFG_I2C_EEPROM_ADDR_LEN 2
131#define CFG_EEPROM_PAGE_WRITE_BITS 4
132#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
133
134#define CONFIG_I2C_X
135
136/*
137 * select serial console configuration
138 *
139 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
140 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
141 * for SCC).
142 *
143 * if CONFIG_CONS_NONE is defined, then the serial console routines must
144 * defined elsewhere (for example, on the cogent platform, there are serial
145 * ports on the motherboard which are used for the serial console - see
146 * cogent/cma101/serial.[ch]).
147 */
148#define CONFIG_CONS_ON_SMC /* define if console on SMC */
149#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
150#undef CONFIG_CONS_NONE /* define if console on something else*/
151#ifdef CONFIG_82xx_CONS_SMC1
152#define CONFIG_CONS_INDEX 1 /* which serial channel for console */
153#endif
154#ifdef CONFIG_82xx_CONS_SMC2
155#define CONFIG_CONS_INDEX 2 /* which serial channel for console */
156#endif
157
158#undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
159#define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
160#define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
161
162/*
163 * select ethernet configuration
164 *
165 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
166 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
167 * for FCC)
168 *
169 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
Jon Loeliger639221c2007-07-09 17:15:49 -0500170 * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
wdenk0f8c9762002-08-19 11:57:05 +0000171 *
172 * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
173 * X.29 connector, and FCC2 is hardwired to the X.1 connector)
174 */
175#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
176#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
177#undef CONFIG_ETHER_NONE /* define if ether on something else */
178#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
179
180#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
181
182/*
183 * - RX clk is CLK11
184 * - TX clk is CLK12
185 */
186# define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
187
188#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
189
190/*
191 * - Rx-CLK is CLK13
192 * - Tx-CLK is CLK14
193 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
194 * - Enable Full Duplex in FSMR
195 */
196# define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
197# define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
198# define CFG_CPMFCR_RAMTYPE 0
199# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
200
201#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
202
203
204/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
wdenk27b207f2003-07-24 23:38:38 +0000205#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk7aa78612003-05-03 15:50:43 +0000206# define CONFIG_8260_CLKIN 66666666 /* in Hz */
wdenk27b207f2003-07-24 23:38:38 +0000207#else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
wdenk7aa78612003-05-03 15:50:43 +0000208# ifndef CONFIG_300MHz
209# define CONFIG_8260_CLKIN 66666666 /* in Hz */
210# else
211# define CONFIG_8260_CLKIN 83333000 /* in Hz */
212# endif
213#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000214
wdenk0f8c9762002-08-19 11:57:05 +0000215#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
216#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
217
218#undef CONFIG_WATCHDOG /* watchdog disabled */
219
wdenk414eec32005-04-02 22:37:54 +0000220#define CONFIG_TIMESTAMP /* Print image info with timestamp */
221
Jon Loeliger37d4bb72007-07-09 21:38:02 -0500222
223/*
224 * BOOTP options
225 */
226#define CONFIG_BOOTP_SUBNETMASK
227#define CONFIG_BOOTP_GATEWAY
228#define CONFIG_BOOTP_HOSTNAME
229#define CONFIG_BOOTP_BOOTPATH
230#define CONFIG_BOOTP_BOOTFILESIZE
wdenk0f8c9762002-08-19 11:57:05 +0000231
wdenk0f8c9762002-08-19 11:57:05 +0000232
Jon Loeliger26946902007-07-04 22:30:50 -0500233/*
234 * Command line configuration.
235 */
236#include <config_cmd_default.h>
237
238#define CONFIG_CMD_DHCP
239#define CONFIG_CMD_I2C
240#define CONFIG_CMD_EEPROM
241#define CONFIG_CMD_NFS
242#define CONFIG_CMD_SNTP
243
wdenk0f8c9762002-08-19 11:57:05 +0000244
245/*
246 * Miscellaneous configurable options
247 */
248#define CFG_LONGHELP /* undef to save memory */
249#define CFG_PROMPT "=> " /* Monitor Command Prompt */
Wolfgang Denk2751a952006-10-28 02:29:14 +0200250
251#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
252#define CFG_HUSH_PARSER 1 /* Use the HUSH parser */
253#ifdef CFG_HUSH_PARSER
254#define CFG_PROMPT_HUSH_PS2 "> "
255#endif
256
Jon Loeliger26946902007-07-04 22:30:50 -0500257#if defined(CONFIG_CMD_KGDB)
wdenk0f8c9762002-08-19 11:57:05 +0000258#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
259#else
260#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
261#endif
262#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
263#define CFG_MAXARGS 16 /* max number of command args */
264#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
265
266#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
267#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
268
269#define CFG_LOAD_ADDR 0x100000 /* default load address */
270
271#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
272
273#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
274
275#define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
276
277/*
278 * For booting Linux, the board info and command line data
279 * have to be in the first 8 MB of memory, since this is
280 * the maximum mapped by the Linux kernel during initialization.
281 */
282#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
283
284
285/* What should the base address of the main FLASH be and how big is
286 * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
287 * The main FLASH is whichever is connected to *CS0.
288 */
289#define CFG_FLASH0_BASE 0x40000000
290#define CFG_FLASH1_BASE 0x60000000
291#define CFG_FLASH0_SIZE 32
292#define CFG_FLASH1_SIZE 32
293
294/* Flash bank size (for preliminary settings)
295 */
296#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
297
298/*-----------------------------------------------------------------------
299 * FLASH organization
300 */
301#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
302#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
303
304#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
305#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
306
307#if 0
308/* Start port with environment in flash; switch to EEPROM later */
309#define CFG_ENV_IS_IN_FLASH 1
310#define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
311#define CFG_ENV_SIZE 0x40000
312#define CFG_ENV_SECT_SIZE 0x40000
313#else
314/* Final version: environment in EEPROM */
315#define CFG_ENV_IS_IN_EEPROM 1
316#define CFG_ENV_OFFSET 0
317#define CFG_ENV_SIZE 2048
318#endif
319
320/*-----------------------------------------------------------------------
321 * Hardware Information Block
322 */
323#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
324#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
325#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
326
327/*-----------------------------------------------------------------------
328 * Hard Reset Configuration Words
329 *
330 * if you change bits in the HRCW, you must also change the CFG_*
331 * defines for the various registers affected by the HRCW e.g. changing
332 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
333 */
wdenk7aa78612003-05-03 15:50:43 +0000334#define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
335
wdenk27b207f2003-07-24 23:38:38 +0000336#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk7aa78612003-05-03 15:50:43 +0000337# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
wdenk27b207f2003-07-24 23:38:38 +0000338#else /* ! MPC8255 && !MPC8265 */
wdenk7aa78612003-05-03 15:50:43 +0000339# if defined(CONFIG_266MHz)
340# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
341# elif defined(CONFIG_300MHz)
342# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
343# else
344# define CFG_HRCW_MASTER (__HRCW__ALL__)
345# endif
346#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000347
348/* no slaves so just fill with zeros */
349#define CFG_HRCW_SLAVE1 0
350#define CFG_HRCW_SLAVE2 0
351#define CFG_HRCW_SLAVE3 0
352#define CFG_HRCW_SLAVE4 0
353#define CFG_HRCW_SLAVE5 0
354#define CFG_HRCW_SLAVE6 0
355#define CFG_HRCW_SLAVE7 0
356
357/*-----------------------------------------------------------------------
358 * Internal Memory Mapped Register
359 */
360#define CFG_IMMR 0xFFF00000
361
362/*-----------------------------------------------------------------------
363 * Definitions for initial stack pointer and data area (in DPRAM)
364 */
365#define CFG_INIT_RAM_ADDR CFG_IMMR
366#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
367#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
368#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
369#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
370
371/*-----------------------------------------------------------------------
372 * Start addresses for the final memory configuration
373 * (Set up by the startup code)
374 * Please note that CFG_SDRAM_BASE _must_ start at 0
375 *
376 * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
377 * is mapped at SDRAM_BASE2_PRELIM.
378 */
379#define CFG_SDRAM_BASE 0x00000000
380#define CFG_FLASH_BASE CFG_FLASH0_BASE
381#define CFG_MONITOR_BASE TEXT_BASE
382#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
383#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
384
385/*
386 * Internal Definitions
387 *
388 * Boot Flags
389 */
390#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
391#define BOOTFLAG_WARM 0x02 /* Software reboot */
392
393
394/*-----------------------------------------------------------------------
395 * Cache Configuration
396 */
397#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
Jon Loeliger26946902007-07-04 22:30:50 -0500398#if defined(CONFIG_CMD_KGDB)
wdenk0f8c9762002-08-19 11:57:05 +0000399# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
400#endif
401
402/*-----------------------------------------------------------------------
403 * HIDx - Hardware Implementation-dependent Registers 2-11
404 *-----------------------------------------------------------------------
405 * HID0 also contains cache control - initially enable both caches and
406 * invalidate contents, then the final state leaves only the instruction
407 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
408 * but Soft reset does not.
409 *
410 * HID1 has only read-only information - nothing to set.
411 */
412#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
wdenk8bde7f72003-06-27 21:31:46 +0000413 HID0_IFEM|HID0_ABE)
wdenk0f8c9762002-08-19 11:57:05 +0000414#define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
415#define CFG_HID2 0
416
417/*-----------------------------------------------------------------------
418 * RMR - Reset Mode Register 5-5
419 *-----------------------------------------------------------------------
420 * turn on Checkstop Reset Enable
421 */
422#define CFG_RMR RMR_CSRE
423
424/*-----------------------------------------------------------------------
425 * BCR - Bus Configuration 4-25
426 *-----------------------------------------------------------------------
427 */
428#ifdef CONFIG_BUSMODE_60x
429#define CFG_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
430 BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
431#else
432#define BCR_APD01 0x10000000
433#define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
434#endif
435
436/*-----------------------------------------------------------------------
437 * SIUMCR - SIU Module Configuration 4-31
438 *-----------------------------------------------------------------------
439 */
440#if 0
441#define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
442#else
443#define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
444#endif
445
446
447/*-----------------------------------------------------------------------
448 * SYPCR - System Protection Control 4-35
449 * SYPCR can only be written once after reset!
450 *-----------------------------------------------------------------------
451 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
452 */
453#if defined(CONFIG_WATCHDOG)
454#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk8bde7f72003-06-27 21:31:46 +0000455 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
wdenk0f8c9762002-08-19 11:57:05 +0000456#else
457#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk8bde7f72003-06-27 21:31:46 +0000458 SYPCR_SWRI|SYPCR_SWP)
wdenk0f8c9762002-08-19 11:57:05 +0000459#endif /* CONFIG_WATCHDOG */
460
461/*-----------------------------------------------------------------------
462 * TMCNTSC - Time Counter Status and Control 4-40
463 *-----------------------------------------------------------------------
464 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
465 * and enable Time Counter
466 */
467#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
468
469/*-----------------------------------------------------------------------
470 * PISCR - Periodic Interrupt Status and Control 4-42
471 *-----------------------------------------------------------------------
472 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
473 * Periodic timer
474 */
475#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
476
477/*-----------------------------------------------------------------------
478 * SCCR - System Clock Control 9-8
479 *-----------------------------------------------------------------------
480 * Ensure DFBRG is Divide by 16
481 */
482#define CFG_SCCR 0
483
484/*-----------------------------------------------------------------------
485 * RCCR - RISC Controller Configuration 13-7
486 *-----------------------------------------------------------------------
487 */
488#define CFG_RCCR 0
489
490/*
491 * Init Memory Controller:
492 *
493 * Bank Bus Machine PortSz Device
494 * ---- --- ------- ------ ------
495 * 0 60x GPCM 64 bit FLASH
496 * 1 60x SDRAM 64 bit SDRAM
497 * 2 Local SDRAM 32 bit SDRAM
498 *
499 */
500
501 /* Initialize SDRAM on local bus
502 */
503#define CFG_INIT_LOCAL_SDRAM
504
505#define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
506
507/* Minimum mask to separate preliminary
508 * address ranges for CS[0:2]
509 */
510#define CFG_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
511#define CFG_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
512
513#define CFG_MPTPR 0x4000
514
515/*-----------------------------------------------------------------------------
516 * Address for Mode Register Set (MRS) command
517 *-----------------------------------------------------------------------------
518 * In fact, the address is rather configuration data presented to the SDRAM on
519 * its address lines. Because the address lines may be mux'ed externally either
520 * for 8 column or 9 column devices, some bits appear twice in the 8260's
521 * address:
522 *
523 * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
524 * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
525 * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
526 * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
527 * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
528 *-----------------------------------------------------------------------------
529 */
530#define CFG_MRS_OFFS 0x00000110
531
532
533/* Bank 0 - FLASH
534 */
535#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000536 BRx_PS_64 |\
537 BRx_MS_GPCM_P |\
538 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000539
540#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
wdenk8bde7f72003-06-27 21:31:46 +0000541 ORxG_CSNT |\
542 ORxG_ACS_DIV1 |\
543 ORxG_SCY_3_CLK |\
544 ORxG_EHTR |\
545 ORxG_TRLX)
wdenk0f8c9762002-08-19 11:57:05 +0000546
547 /* SDRAM on TQM8260 can have either 8 or 9 columns.
548 * The number affects configuration values.
549 */
550
551/* Bank 1 - 60x bus SDRAM
552 */
553#define CFG_PSRT 0x20
554#define CFG_LSRT 0x20
555#ifndef CFG_RAMBOOT
556#define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000557 BRx_PS_64 |\
558 BRx_MS_SDRAM_P |\
559 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000560
561#define CFG_OR1_PRELIM CFG_OR1_8COL
562
563
564 /* SDRAM initialization values for 8-column chips
565 */
566#define CFG_OR1_8COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000567 ORxS_BPD_4 |\
568 ORxS_ROWST_PBI1_A7 |\
569 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000570
571#define CFG_PSDMR_8COL (PSDMR_PBI |\
wdenk8bde7f72003-06-27 21:31:46 +0000572 PSDMR_SDAM_A15_IS_A5 |\
573 PSDMR_BSMA_A12_A14 |\
574 PSDMR_SDA10_PBI1_A8 |\
575 PSDMR_RFRC_7_CLK |\
576 PSDMR_PRETOACT_2W |\
577 PSDMR_ACTTORW_2W |\
578 PSDMR_LDOTOPRE_1C |\
579 PSDMR_WRC_2C |\
580 PSDMR_EAMUX |\
581 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000582
583 /* SDRAM initialization values for 9-column chips
584 */
585#define CFG_OR1_9COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000586 ORxS_BPD_4 |\
587 ORxS_ROWST_PBI1_A5 |\
588 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000589
590#define CFG_PSDMR_9COL (PSDMR_PBI |\
wdenk8bde7f72003-06-27 21:31:46 +0000591 PSDMR_SDAM_A16_IS_A5 |\
592 PSDMR_BSMA_A12_A14 |\
593 PSDMR_SDA10_PBI1_A7 |\
594 PSDMR_RFRC_7_CLK |\
595 PSDMR_PRETOACT_2W |\
596 PSDMR_ACTTORW_2W |\
597 PSDMR_LDOTOPRE_1C |\
598 PSDMR_WRC_2C |\
599 PSDMR_EAMUX |\
600 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000601
602/* Bank 2 - Local bus SDRAM
603 */
604#ifdef CFG_INIT_LOCAL_SDRAM
605#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000606 BRx_PS_32 |\
607 BRx_MS_SDRAM_L |\
608 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000609
610#define CFG_OR2_PRELIM CFG_OR2_8COL
611
612#define SDRAM_BASE2_PRELIM 0x80000000
613
614 /* SDRAM initialization values for 8-column chips
615 */
616#define CFG_OR2_8COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000617 ORxS_BPD_4 |\
618 ORxS_ROWST_PBI1_A8 |\
619 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000620
621#define CFG_LSDMR_8COL (PSDMR_PBI |\
wdenk8bde7f72003-06-27 21:31:46 +0000622 PSDMR_SDAM_A15_IS_A5 |\
623 PSDMR_BSMA_A13_A15 |\
624 PSDMR_SDA10_PBI1_A9 |\
625 PSDMR_RFRC_7_CLK |\
626 PSDMR_PRETOACT_2W |\
627 PSDMR_ACTTORW_2W |\
628 PSDMR_BL |\
629 PSDMR_LDOTOPRE_1C |\
630 PSDMR_WRC_2C |\
631 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000632
633 /* SDRAM initialization values for 9-column chips
634 */
635#define CFG_OR2_9COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk8bde7f72003-06-27 21:31:46 +0000636 ORxS_BPD_4 |\
637 ORxS_ROWST_PBI1_A6 |\
638 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000639
640#define CFG_LSDMR_9COL (PSDMR_PBI |\
wdenk8bde7f72003-06-27 21:31:46 +0000641 PSDMR_SDAM_A16_IS_A5 |\
642 PSDMR_BSMA_A13_A15 |\
643 PSDMR_SDA10_PBI1_A8 |\
644 PSDMR_RFRC_7_CLK |\
645 PSDMR_PRETOACT_2W |\
646 PSDMR_ACTTORW_2W |\
647 PSDMR_BL |\
648 PSDMR_LDOTOPRE_1C |\
649 PSDMR_WRC_2C |\
650 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000651
652#endif /* CFG_INIT_LOCAL_SDRAM */
653
654#endif /* CFG_RAMBOOT */
655
656#endif /* __CONFIG_H */