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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
wdenkfb229ae2003-08-07 22:18:11 +000059#define CONFIG_BOOTCOUNT_LIMIT
60
61#if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC)
62#define CONFIG_BAUDRATE 230400
63#else
64#define CONFIG_BAUDRATE 9600
65#endif
wdenk0f8c9762002-08-19 11:57:05 +000066
67#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
68
69#undef CONFIG_BOOTARGS
wdenk5840af22003-03-28 14:40:36 +000070
71#define CONFIG_EXTRA_ENV_SETTINGS \
wdenkfb229ae2003-08-07 22:18:11 +000072 "netdev=eth0\0" \
wdenk5840af22003-03-28 14:40:36 +000073 "nfsargs=setenv bootargs root=/dev/nfs rw " \
74 "nfsroot=$(serverip):$(rootpath)\0" \
75 "ramargs=setenv bootargs root=/dev/ram rw\0" \
76 "addip=setenv bootargs $(bootargs) " \
77 "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)" \
78 ":$(hostname):$(netdev):off panic=1\0" \
79 "flash_nfs=run nfsargs addip;" \
80 "bootm $(kernel_addr)\0" \
81 "flash_self=run ramargs addip;" \
82 "bootm $(kernel_addr) $(ramdisk_addr)\0" \
83 "net_nfs=tftp 200000 $(bootfile);run nfsargs addip;bootm\0" \
84 "rootpath=/opt/eldk/ppc_82xx\0" \
85 "bootfile=/tftpboot/TQM8260/uImage\0" \
86 "kernel_addr=40040000\0" \
87 "ramdisk_addr=40100000\0" \
88 ""
89#define CONFIG_BOOTCOMMAND "run flash_self"
wdenk0f8c9762002-08-19 11:57:05 +000090
91/* enable I2C and select the hardware/software driver */
92#undef CONFIG_HARD_I2C /* I2C with hardware support */
93#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
94#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
95#define CFG_I2C_SLAVE 0x7F
96
97/*
98 * Software (bit-bang) I2C driver configuration
99 */
100
101/* TQM8260 Rev.100 has the clock and data pins swapped (!!!) on EEPROM */
102#if (CONFIG_TQM8260 <= 100)
103
104#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
105#define I2C_ACTIVE (iop->pdir |= 0x00020000)
106#define I2C_TRISTATE (iop->pdir &= ~0x00020000)
107#define I2C_READ ((iop->pdat & 0x00020000) != 0)
108#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00020000; \
109 else iop->pdat &= ~0x00020000
110#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00010000; \
111 else iop->pdat &= ~0x00010000
112#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
113
114#else
115
116#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
117#define I2C_ACTIVE (iop->pdir |= 0x00010000)
118#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
119#define I2C_READ ((iop->pdat & 0x00010000) != 0)
120#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
121 else iop->pdat &= ~0x00010000
122#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
123 else iop->pdat &= ~0x00020000
124#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
125#endif
126
127#define CFG_I2C_EEPROM_ADDR 0x50
128#define CFG_I2C_EEPROM_ADDR_LEN 2
129#define CFG_EEPROM_PAGE_WRITE_BITS 4
130#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
131
132#define CONFIG_I2C_X
133
134/*
135 * select serial console configuration
136 *
137 * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
138 * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
139 * for SCC).
140 *
141 * if CONFIG_CONS_NONE is defined, then the serial console routines must
142 * defined elsewhere (for example, on the cogent platform, there are serial
143 * ports on the motherboard which are used for the serial console - see
144 * cogent/cma101/serial.[ch]).
145 */
146#define CONFIG_CONS_ON_SMC /* define if console on SMC */
147#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
148#undef CONFIG_CONS_NONE /* define if console on something else*/
149#ifdef CONFIG_82xx_CONS_SMC1
150#define CONFIG_CONS_INDEX 1 /* which serial channel for console */
151#endif
152#ifdef CONFIG_82xx_CONS_SMC2
153#define CONFIG_CONS_INDEX 2 /* which serial channel for console */
154#endif
155
156#undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */
157#define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */
158#define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9 */
159
160/*
161 * select ethernet configuration
162 *
163 * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
164 * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
165 * for FCC)
166 *
167 * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
168 * defined elsewhere (as for the console), or CFG_CMD_NET must be removed
169 * from CONFIG_COMMANDS to remove support for networking.
170 *
171 * (On TQM8260 either SCC1 or FCC2 may be chosen: SCC1 is hardwired to the
172 * X.29 connector, and FCC2 is hardwired to the X.1 connector)
173 */
174#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
175#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
176#undef CONFIG_ETHER_NONE /* define if ether on something else */
177#define CONFIG_ETHER_INDEX 2 /* which SCC/FCC channel for ethernet */
178
179#if defined(CONFIG_ETHER_ON_SCC) && (CONFIG_ETHER_INDEX == 1)
180
181/*
182 * - RX clk is CLK11
183 * - TX clk is CLK12
184 */
185# define CFG_CMXSCR_VALUE (CMXSCR_RS1CS_CLK11 | CMXSCR_TS1CS_CLK12)
186
187#elif defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 2)
188
189/*
190 * - Rx-CLK is CLK13
191 * - Tx-CLK is CLK14
192 * - RAM for BD/Buffers is on the 60x Bus (see 28-13)
193 * - Enable Full Duplex in FSMR
194 */
195# define CFG_CMXFCR_MASK (CMXFCR_FC2|CMXFCR_RF2CS_MSK|CMXFCR_TF2CS_MSK)
196# define CFG_CMXFCR_VALUE (CMXFCR_RF2CS_CLK13|CMXFCR_TF2CS_CLK14)
197# define CFG_CPMFCR_RAMTYPE 0
198# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
199
200#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
201
202
203/* system clock rate (CLKIN) - equal to the 60x and local bus speed */
wdenk874ac262003-07-24 23:38:38 +0000204#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk541a76d2003-05-03 15:50:43 +0000205# define CONFIG_8260_CLKIN 66666666 /* in Hz */
wdenk874ac262003-07-24 23:38:38 +0000206#else /* !CONFIG_MPC8255 && !CONFIG_MPC8265 */
wdenk541a76d2003-05-03 15:50:43 +0000207# ifndef CONFIG_300MHz
208# define CONFIG_8260_CLKIN 66666666 /* in Hz */
209# else
210# define CONFIG_8260_CLKIN 83333000 /* in Hz */
211# endif
212#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000213
wdenk0f8c9762002-08-19 11:57:05 +0000214#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
215#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
216
217#undef CONFIG_WATCHDOG /* watchdog disabled */
218
219#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
220
221#define CONFIG_COMMANDS (CONFIG_CMD_DFL | \
222 CFG_CMD_I2C | \
223 CFG_CMD_EEPROM)
224
225/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
226#include <cmd_confdefs.h>
227
228/*
229 * Miscellaneous configurable options
230 */
231#define CFG_LONGHELP /* undef to save memory */
232#define CFG_PROMPT "=> " /* Monitor Command Prompt */
233#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
234#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
235#else
236#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
237#endif
238#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
239#define CFG_MAXARGS 16 /* max number of command args */
240#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
241
242#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
243#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
244
245#define CFG_LOAD_ADDR 0x100000 /* default load address */
246
247#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
248
249#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
250
251#define CFG_RESET_ADDRESS 0xFFFFFFFC /* "bad" address */
252
253/*
254 * For booting Linux, the board info and command line data
255 * have to be in the first 8 MB of memory, since this is
256 * the maximum mapped by the Linux kernel during initialization.
257 */
258#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
259
260
261/* What should the base address of the main FLASH be and how big is
262 * it (in MBytes)? This must contain TEXT_BASE from board/tqm8260/config.mk
263 * The main FLASH is whichever is connected to *CS0.
264 */
265#define CFG_FLASH0_BASE 0x40000000
266#define CFG_FLASH1_BASE 0x60000000
267#define CFG_FLASH0_SIZE 32
268#define CFG_FLASH1_SIZE 32
269
270/* Flash bank size (for preliminary settings)
271 */
272#define CFG_FLASH_SIZE CFG_FLASH0_SIZE
273
274/*-----------------------------------------------------------------------
275 * FLASH organization
276 */
277#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
278#define CFG_MAX_FLASH_SECT 128 /* max num of sects on one chip */
279
280#define CFG_FLASH_ERASE_TOUT 240000 /* Flash Erase Timeout (in ms) */
281#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
282
283#if 0
284/* Start port with environment in flash; switch to EEPROM later */
285#define CFG_ENV_IS_IN_FLASH 1
286#define CFG_ENV_ADDR (CFG_FLASH_BASE+0x40000)
287#define CFG_ENV_SIZE 0x40000
288#define CFG_ENV_SECT_SIZE 0x40000
289#else
290/* Final version: environment in EEPROM */
291#define CFG_ENV_IS_IN_EEPROM 1
292#define CFG_ENV_OFFSET 0
293#define CFG_ENV_SIZE 2048
294#endif
295
296/*-----------------------------------------------------------------------
297 * Hardware Information Block
298 */
299#define CFG_HWINFO_OFFSET 0x0003FFC0 /* offset of HW Info block */
300#define CFG_HWINFO_SIZE 0x00000040 /* size of HW Info block */
301#define CFG_HWINFO_MAGIC 0x54514D38 /* 'TQM8' */
302
303/*-----------------------------------------------------------------------
304 * Hard Reset Configuration Words
305 *
306 * if you change bits in the HRCW, you must also change the CFG_*
307 * defines for the various registers affected by the HRCW e.g. changing
308 * HRCW_DPPCxx requires you to also change CFG_SIUMCR.
309 */
wdenk541a76d2003-05-03 15:50:43 +0000310#define __HRCW__ALL__ (HRCW_CIP | HRCW_ISB111 | HRCW_BMS)
311
wdenk874ac262003-07-24 23:38:38 +0000312#if defined(CONFIG_MPC8255) || defined(CONFIG_MPC8265)
wdenk541a76d2003-05-03 15:50:43 +0000313# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
wdenk874ac262003-07-24 23:38:38 +0000314#else /* ! MPC8255 && !MPC8265 */
wdenk541a76d2003-05-03 15:50:43 +0000315# if defined(CONFIG_266MHz)
316# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0111)
317# elif defined(CONFIG_300MHz)
318# define CFG_HRCW_MASTER (__HRCW__ALL__ | HRCW_MODCK_H0110)
319# else
320# define CFG_HRCW_MASTER (__HRCW__ALL__)
321# endif
322#endif /* CONFIG_MPC8255 */
wdenk0f8c9762002-08-19 11:57:05 +0000323
324/* no slaves so just fill with zeros */
325#define CFG_HRCW_SLAVE1 0
326#define CFG_HRCW_SLAVE2 0
327#define CFG_HRCW_SLAVE3 0
328#define CFG_HRCW_SLAVE4 0
329#define CFG_HRCW_SLAVE5 0
330#define CFG_HRCW_SLAVE6 0
331#define CFG_HRCW_SLAVE7 0
332
333/*-----------------------------------------------------------------------
334 * Internal Memory Mapped Register
335 */
336#define CFG_IMMR 0xFFF00000
337
338/*-----------------------------------------------------------------------
339 * Definitions for initial stack pointer and data area (in DPRAM)
340 */
341#define CFG_INIT_RAM_ADDR CFG_IMMR
342#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
343#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data*/
344#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
345#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
346
347/*-----------------------------------------------------------------------
348 * Start addresses for the final memory configuration
349 * (Set up by the startup code)
350 * Please note that CFG_SDRAM_BASE _must_ start at 0
351 *
352 * 60x SDRAM is mapped at CFG_SDRAM_BASE, local SDRAM
353 * is mapped at SDRAM_BASE2_PRELIM.
354 */
355#define CFG_SDRAM_BASE 0x00000000
356#define CFG_FLASH_BASE CFG_FLASH0_BASE
357#define CFG_MONITOR_BASE TEXT_BASE
358#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
359#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/
360
361/*
362 * Internal Definitions
363 *
364 * Boot Flags
365 */
366#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH*/
367#define BOOTFLAG_WARM 0x02 /* Software reboot */
368
369
370/*-----------------------------------------------------------------------
371 * Cache Configuration
372 */
373#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
374#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
375# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
376#endif
377
378/*-----------------------------------------------------------------------
379 * HIDx - Hardware Implementation-dependent Registers 2-11
380 *-----------------------------------------------------------------------
381 * HID0 also contains cache control - initially enable both caches and
382 * invalidate contents, then the final state leaves only the instruction
383 * cache enabled. Note that Power-On and Hard reset invalidate the caches,
384 * but Soft reset does not.
385 *
386 * HID1 has only read-only information - nothing to set.
387 */
388#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
wdenk57b2d802003-06-27 21:31:46 +0000389 HID0_IFEM|HID0_ABE)
wdenk0f8c9762002-08-19 11:57:05 +0000390#define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
391#define CFG_HID2 0
392
393/*-----------------------------------------------------------------------
394 * RMR - Reset Mode Register 5-5
395 *-----------------------------------------------------------------------
396 * turn on Checkstop Reset Enable
397 */
398#define CFG_RMR RMR_CSRE
399
400/*-----------------------------------------------------------------------
401 * BCR - Bus Configuration 4-25
402 *-----------------------------------------------------------------------
403 */
404#ifdef CONFIG_BUSMODE_60x
405#define CFG_BCR (BCR_EBM|BCR_L2C|BCR_LETM|\
406 BCR_NPQM0|BCR_NPQM1|BCR_NPQM2) /* 60x mode */
407#else
408#define BCR_APD01 0x10000000
409#define CFG_BCR (BCR_APD01|BCR_ETM|BCR_LETM) /* 8260 mode */
410#endif
411
412/*-----------------------------------------------------------------------
413 * SIUMCR - SIU Module Configuration 4-31
414 *-----------------------------------------------------------------------
415 */
416#if 0
417#define CFG_SIUMCR (SIUMCR_DPPC10|SIUMCR_APPC10)
418#else
419#define CFG_SIUMCR (SIUMCR_DPPC00|SIUMCR_APPC10)
420#endif
421
422
423/*-----------------------------------------------------------------------
424 * SYPCR - System Protection Control 4-35
425 * SYPCR can only be written once after reset!
426 *-----------------------------------------------------------------------
427 * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
428 */
429#if defined(CONFIG_WATCHDOG)
430#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk57b2d802003-06-27 21:31:46 +0000431 SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
wdenk0f8c9762002-08-19 11:57:05 +0000432#else
433#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
wdenk57b2d802003-06-27 21:31:46 +0000434 SYPCR_SWRI|SYPCR_SWP)
wdenk0f8c9762002-08-19 11:57:05 +0000435#endif /* CONFIG_WATCHDOG */
436
437/*-----------------------------------------------------------------------
438 * TMCNTSC - Time Counter Status and Control 4-40
439 *-----------------------------------------------------------------------
440 * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
441 * and enable Time Counter
442 */
443#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
444
445/*-----------------------------------------------------------------------
446 * PISCR - Periodic Interrupt Status and Control 4-42
447 *-----------------------------------------------------------------------
448 * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
449 * Periodic timer
450 */
451#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
452
453/*-----------------------------------------------------------------------
454 * SCCR - System Clock Control 9-8
455 *-----------------------------------------------------------------------
456 * Ensure DFBRG is Divide by 16
457 */
458#define CFG_SCCR 0
459
460/*-----------------------------------------------------------------------
461 * RCCR - RISC Controller Configuration 13-7
462 *-----------------------------------------------------------------------
463 */
464#define CFG_RCCR 0
465
466/*
467 * Init Memory Controller:
468 *
469 * Bank Bus Machine PortSz Device
470 * ---- --- ------- ------ ------
471 * 0 60x GPCM 64 bit FLASH
472 * 1 60x SDRAM 64 bit SDRAM
473 * 2 Local SDRAM 32 bit SDRAM
474 *
475 */
476
477 /* Initialize SDRAM on local bus
478 */
479#define CFG_INIT_LOCAL_SDRAM
480
481#define SDRAM_MAX_SIZE 0x08000000 /* max. 128 MB */
482
483/* Minimum mask to separate preliminary
484 * address ranges for CS[0:2]
485 */
486#define CFG_GLOBAL_SDRAM_LIMIT (512<<20) /* less than 512 MB */
487#define CFG_LOCAL_SDRAM_LIMIT (128<<20) /* less than 128 MB */
488
489#define CFG_MPTPR 0x4000
490
491/*-----------------------------------------------------------------------------
492 * Address for Mode Register Set (MRS) command
493 *-----------------------------------------------------------------------------
494 * In fact, the address is rather configuration data presented to the SDRAM on
495 * its address lines. Because the address lines may be mux'ed externally either
496 * for 8 column or 9 column devices, some bits appear twice in the 8260's
497 * address:
498 *
499 * | (RFU) | (RFU) | WBL | TM | CL | BT | Burst Length |
500 * | BA1 BA0 | A12 : A10 | A9 | A8 A7 | A6 : A4 | A3 | A2 : A0 |
501 * 8 columns mux'ing: | A9 | A10 A21 | A22 : A24 | A25 | A26 : A28 |
502 * 9 columns mux'ing: | A8 | A20 A21 | A22 : A24 | A25 | A26 : A28 |
503 * Settings: | 0 | 0 0 | 0 1 0 | 0 | 0 1 0 |
504 *-----------------------------------------------------------------------------
505 */
506#define CFG_MRS_OFFS 0x00000110
507
508
509/* Bank 0 - FLASH
510 */
511#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000512 BRx_PS_64 |\
513 BRx_MS_GPCM_P |\
514 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000515
516#define CFG_OR0_PRELIM (MEG_TO_AM(CFG_FLASH_SIZE) |\
wdenk57b2d802003-06-27 21:31:46 +0000517 ORxG_CSNT |\
518 ORxG_ACS_DIV1 |\
519 ORxG_SCY_3_CLK |\
520 ORxG_EHTR |\
521 ORxG_TRLX)
wdenk0f8c9762002-08-19 11:57:05 +0000522
523 /* SDRAM on TQM8260 can have either 8 or 9 columns.
524 * The number affects configuration values.
525 */
526
527/* Bank 1 - 60x bus SDRAM
528 */
529#define CFG_PSRT 0x20
530#define CFG_LSRT 0x20
531#ifndef CFG_RAMBOOT
532#define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000533 BRx_PS_64 |\
534 BRx_MS_SDRAM_P |\
535 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000536
537#define CFG_OR1_PRELIM CFG_OR1_8COL
538
539
540 /* SDRAM initialization values for 8-column chips
541 */
542#define CFG_OR1_8COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000543 ORxS_BPD_4 |\
544 ORxS_ROWST_PBI1_A7 |\
545 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000546
547#define CFG_PSDMR_8COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000548 PSDMR_SDAM_A15_IS_A5 |\
549 PSDMR_BSMA_A12_A14 |\
550 PSDMR_SDA10_PBI1_A8 |\
551 PSDMR_RFRC_7_CLK |\
552 PSDMR_PRETOACT_2W |\
553 PSDMR_ACTTORW_2W |\
554 PSDMR_LDOTOPRE_1C |\
555 PSDMR_WRC_2C |\
556 PSDMR_EAMUX |\
557 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000558
559 /* SDRAM initialization values for 9-column chips
560 */
561#define CFG_OR1_9COL ((~(CFG_GLOBAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000562 ORxS_BPD_4 |\
563 ORxS_ROWST_PBI1_A5 |\
564 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000565
566#define CFG_PSDMR_9COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000567 PSDMR_SDAM_A16_IS_A5 |\
568 PSDMR_BSMA_A12_A14 |\
569 PSDMR_SDA10_PBI1_A7 |\
570 PSDMR_RFRC_7_CLK |\
571 PSDMR_PRETOACT_2W |\
572 PSDMR_ACTTORW_2W |\
573 PSDMR_LDOTOPRE_1C |\
574 PSDMR_WRC_2C |\
575 PSDMR_EAMUX |\
576 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000577
578/* Bank 2 - Local bus SDRAM
579 */
580#ifdef CFG_INIT_LOCAL_SDRAM
581#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BRx_BA_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000582 BRx_PS_32 |\
583 BRx_MS_SDRAM_L |\
584 BRx_V)
wdenk0f8c9762002-08-19 11:57:05 +0000585
586#define CFG_OR2_PRELIM CFG_OR2_8COL
587
588#define SDRAM_BASE2_PRELIM 0x80000000
589
590 /* SDRAM initialization values for 8-column chips
591 */
592#define CFG_OR2_8COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000593 ORxS_BPD_4 |\
594 ORxS_ROWST_PBI1_A8 |\
595 ORxS_NUMR_12)
wdenk0f8c9762002-08-19 11:57:05 +0000596
597#define CFG_LSDMR_8COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000598 PSDMR_SDAM_A15_IS_A5 |\
599 PSDMR_BSMA_A13_A15 |\
600 PSDMR_SDA10_PBI1_A9 |\
601 PSDMR_RFRC_7_CLK |\
602 PSDMR_PRETOACT_2W |\
603 PSDMR_ACTTORW_2W |\
604 PSDMR_BL |\
605 PSDMR_LDOTOPRE_1C |\
606 PSDMR_WRC_2C |\
607 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000608
609 /* SDRAM initialization values for 9-column chips
610 */
611#define CFG_OR2_9COL ((~(CFG_LOCAL_SDRAM_LIMIT-1) & ORxS_SDAM_MSK) |\
wdenk57b2d802003-06-27 21:31:46 +0000612 ORxS_BPD_4 |\
613 ORxS_ROWST_PBI1_A6 |\
614 ORxS_NUMR_13)
wdenk0f8c9762002-08-19 11:57:05 +0000615
616#define CFG_LSDMR_9COL (PSDMR_PBI |\
wdenk57b2d802003-06-27 21:31:46 +0000617 PSDMR_SDAM_A16_IS_A5 |\
618 PSDMR_BSMA_A13_A15 |\
619 PSDMR_SDA10_PBI1_A8 |\
620 PSDMR_RFRC_7_CLK |\
621 PSDMR_PRETOACT_2W |\
622 PSDMR_ACTTORW_2W |\
623 PSDMR_BL |\
624 PSDMR_LDOTOPRE_1C |\
625 PSDMR_WRC_2C |\
626 PSDMR_CL_2)
wdenk0f8c9762002-08-19 11:57:05 +0000627
628#endif /* CFG_INIT_LOCAL_SDRAM */
629
630#endif /* CFG_RAMBOOT */
631
632#endif /* __CONFIG_H */