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wdenk3bbc8992003-12-07 22:27:15 +00001/*
2 * (C) Copyright 2003
3 * MuLogic B.V.
4 *
5 * (C) Copyright 2002
6 * Simple Network Magic Corporation
7 *
8 * (C) Copyright 2000
9 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30/*
31 * board/config.h - configuration options, board specific
32 */
33
34#ifndef __CONFIG_H
35#define __CONFIG_H
36
37/* various debug settings */
38#undef CFG_DEVICE_NULLDEV /* null device */
39#undef CONFIG_SILENT_CONSOLE /* silent console */
40#undef CFG_CONSOLE_INFO_QUIET /* silent console ? */
wdenk3bbc8992003-12-07 22:27:15 +000041#undef DEBUG_FLASH /* debug flash code */
42#undef FLASH_DEBUG /* debug fash code */
43#undef DEBUG_ENV /* debug environment code */
44
45#define CFG_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */
46#define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */
47
48/*
49 * High Level Configuration Options
50 * (easy to change)
51 */
52#define CONFIG_MPC850 1 /* This is a MPC850 CPU */
53#define CONFIG_QS850 1 /* ...on a QS850 module */
54#define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */
55
56/* Select the target clock speed */
57#undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */
58#undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */
59#undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */
60#define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */
61#undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */
62
63#ifdef CONFIG_CLOCK_16MHZ
64#define CONFIG_CLOCK_MULT 512
65#endif
66
67#ifdef CONFIG_CLOCK_33MHZ
68#define CONFIG_CLOCK_MULT 1024
69#endif
70
71#ifdef CONFIG_CLOCK_50MHZ
72#define CONFIG_CLOCK_MULT 1525
73#endif
74
75#ifdef CONFIG_CLOCK_66MHZ
76#define CONFIG_CLOCK_MULT 2048
77#endif
78
79#ifdef CONFIG_CLOCK_80MHZ
80#define CONFIG_CLOCK_MULT 2441
81#endif
82
83/* choose flash size, 4Mb or 8Mb */
84#define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */
85#undef CONFIG_FLASH_8MB /* board has 8Mb flash */
86
87#define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */
88
89#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
90#undef CONFIG_8xx_CONS_SMC2
91#undef CONFIG_8xx_CONS_NONE
92
93#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
94
95#undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */
96
97/* Define default IP addresses */
98#define CONFIG_IPADDR 192.168.1.99 /* own ip address */
99#define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */
100
101/* message to say directly after booting */
102#define CONFIG_PREBOOT "echo '';" \
103 "echo 'type:';" \
104 "echo 'run boot_nfs to boot to NFS';" \
105 "echo 'run boot_flash to boot to flash';" \
106 "echo '';" \
107 "echo 'run flash_rootfs to install a new rootfs';" \
108 "echo 'run flash_env to clear the env sector';" \
109 "echo 'run flash_rw to clear the rw fs';" \
110 "echo 'run flash_uboot to install a new u-boot';" \
111 "echo 'run flash_kernel to install a new kernel';"
112
113/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
114#define CONFIG_BOOTDELAY 5
115#define CONFIG_BOOTCOMMAND "run boot_nfs"
116
117#undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */
118
119/* Our flash filesystem looks like this
120 *
121 * 4Mb board:
122 * ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb)
123 * ffec 0000 - ffed ffff read-write filesystem (ext2)
124 * ffee 0000 - ffef ffff environment
125 * fff0 0000 - fff1 ffff u-boot
126 * fff2 0000 - ffff ffff linux kernel
127 *
128 * 8Mb board:
129 * ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb)
130 * ffec 0000 - ffed ffff read-write filesystem (ext2)
131 * ffee 0000 - ffef ffff environment
132 * fff0 0000 - fff1 ffff u-boot
133 * fff2 0000 - ffff ffff linux kernel
134 *
135 */
136
137/* environment for 4Mb board */
138#ifdef CONFIG_FLASH_4MB
139#define CONFIG_EXTRA_ENV_SETTINGS \
140 "serial#=QS850\0" \
141 "hostname=qs850\0" \
142 "netdev=eth0\0" \
143 "ethaddr=00:01:02:B4:36:56\0" \
144 "rootpath=/exports/rootfs\0" \
145 "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
146 /* fill in variables */ \
147 "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
148 "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
149 "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
150 /* commands */ \
151 "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
152 "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
153 /* reinstall flash parts */ \
154 "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
155 "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
156 "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
157 "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
158 "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
159#endif /* CONFIG_FLASH_4MB */
160
161/* environment for 8Mb board */
162#ifdef CONFIG_FLASH_8MB
163#define CONFIG_EXTRA_ENV_SETTINGS \
164 "serial#=QS850\0" \
165 "hostname=qs850\0" \
166 "netdev=eth0\0" \
167 "ethaddr=00:01:02:B4:36:56\0" \
168 "rootpath=/exports/rootfs\0" \
169 "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
170 /* fill in variables */ \
171 "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
172 "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
173 "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
174 /* commands */ \
175 "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
176 "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
177 /* reinstall flash parts */ \
178 "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
179 "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
180 "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
181 "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
182 "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
183#endif /* CONFIG_FLASH_8MB */
184
185#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
186#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
187#undef CONFIG_WATCHDOG /* watchdog disabled */
188#undef CONFIG_STATUS_LED /* Status LED disabled */
189#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
190
Jon Loeliger18225e82007-07-09 21:31:24 -0500191/*
192 * BOOTP options
193 */
194#define CONFIG_BOOTP_SUBNETMASK
195#define CONFIG_BOOTP_GATEWAY
196#define CONFIG_BOOTP_HOSTNAME
197#define CONFIG_BOOTP_BOOTPATH
198#define CONFIG_BOOTP_BOOTFILESIZE
wdenk3bbc8992003-12-07 22:27:15 +0000199
200#undef CONFIG_MAC_PARTITION
201#undef CONFIG_DOS_PARTITION
202
203#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
204
wdenk3bbc8992003-12-07 22:27:15 +0000205
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500206/*
207 * Command line configuration.
208 */
209
210#define CONFIG_CMD_BDI
211#define CONFIG_CMD_BOOTD
212#define CONFIG_CMD_CONSOLE
213#define CONFIG_CMD_DATE
214#define CONFIG_CMD_ENV
215#define CONFIG_CMD_FLASH
216#define CONFIG_CMD_IMI
217#define CONFIG_CMD_IMMAP
218#define CONFIG_CMD_MEMORY
219#define CONFIG_CMD_NET
220#define CONFIG_CMD_RUN
221
wdenk3bbc8992003-12-07 22:27:15 +0000222
223/*-----------------------------------------------------------------------
224 * Environment variable storage is in FLASH, one sector before U-boot
225 */
226#define CFG_ENV_IS_IN_FLASH 1
227#define CFG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */
228#define CFG_ENV_SIZE 0x2000 /* 8kb */
229#define CFG_ENV_ADDR 0xffee0000 /* address of env sector */
230
231/*-----------------------------------------------------------------------
232 * Miscellaneous configurable options
233 */
234#define CFG_LONGHELP /* undef to save memory */
235#define CFG_PROMPT "=> " /* Monitor Command Prompt */
236
237#define CFG_HUSH_PARSER 1 /* use "hush" command parser */
238#define CFG_PROMPT_HUSH_PS2 "> "
239
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500240#if defined(CONFIG_CMD_KGDB)
wdenk3bbc8992003-12-07 22:27:15 +0000241#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
242#else
243#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
244#endif
245#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
246#define CFG_MAXARGS 16 /* max number of command args */
247#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
248
249#define CFG_MEMTEST_START 0x0400000 /* memtest works */
250#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
251
252#define CFG_LOAD_ADDR 0x400000 /* default load address */
253
254#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
255
256#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
257
258/*-----------------------------------------------------------------------
259 * Low Level Configuration Settings
260 * (address mappings, register initial values, etc.)
261 * You should know what you are doing if you make changes here.
262 */
263
264/*-----------------------------------------------------------------------
265 * Internal Memory Mapped Register
266 */
267#define CFG_IMMR 0xFF000000
268
269/*-----------------------------------------------------------------------
270 * Definitions for initial stack pointer and data area (in DPRAM)
271 */
272#define CFG_INIT_RAM_ADDR CFG_IMMR
273#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
274#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
275#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
276#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
277
278/*-----------------------------------------------------------------------
279 * Start addresses for the final memory configuration
280 * (Set up by the startup code)
281 * Please note that CFG_SDRAM_BASE _must_ start at 0
282 */
283#define CFG_SDRAM_BASE 0x00000000
284#define CFG_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */
285
286#define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */
287#define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */
288
289#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
290#define CFG_MONITOR_BASE 0xFFF00000 /* U-boot location */
291#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
292
293/*
294 * For booting Linux, the board info and command line data
295 * have to be in the first 8 MB of memory, since this is
296 * the maximum mapped by the Linux kernel during initialization.
297 */
298#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
299
300/*-----------------------------------------------------------------------
301 * TODO flash parameters
302 * FLASH organization for Intel Strataflash
303 */
304#undef CFG_FLASH_16BIT /* 32-bit wide flash memory */
305#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
306#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
307
308#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
309#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
310
311/*-----------------------------------------------------------------------
312 * Cache Configuration
313 */
314#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500315#if defined(CONFIG_CMD_KGDB)
wdenk3bbc8992003-12-07 22:27:15 +0000316#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
317#endif
318
319/*-----------------------------------------------------------------------
320 * SYPCR - System Protection Control 11-9
321 * SYPCR can only be written once after reset!
322 *-----------------------------------------------------------------------
323 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
324 */
325
326#ifdef CONFIG_WATCHDOG
327#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
328#else
329#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP)
330#endif
331
332/*-----------------------------------------------------------------------
333 * SIUMCR - SIU Module Configuration 11-6
334 *-----------------------------------------------------------------------
335 */
336#define CFG_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)
337
338/*-----------------------------------------------------------------------
339 * TBSCR - Time Base Status and Control 11-26
340 *-----------------------------------------------------------------------
341 */
342#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
343
344/*-----------------------------------------------------------------------
345 * RTCSC - Real-Time Clock Status and Control Register 11-27
346 *-----------------------------------------------------------------------
347 */
348#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
349
350/*-----------------------------------------------------------------------
351 * PISCR - Periodic Interrupt Status and Control 11-31
352 *-----------------------------------------------------------------------
353 */
354#define CFG_PISCR (PISCR_PS | PISCR_PITF)
355
356/*-----------------------------------------------------------------------
357 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
358 *-----------------------------------------------------------------------
359 */
360
361/* MF (Multiplication Factor of SPLL) */
362/* Sets the QS850 to specified clock from 32KHz clock at EXTAL. */
363#define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20)
364#define CFG_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)
365
366/*-----------------------------------------------------------------------
367 * SCCR - System Clock and reset Control Register 15-27
368 *-----------------------------------------------------------------------
369 */
370#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
371#define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)
372#define CFG_BRGCLK_PRESCALE 1
373#endif
374
375#if defined(CONFIG_CLOCK_66MHZ)
376#define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)
377#define CFG_BRGCLK_PRESCALE 4
378#endif
379
380#if defined(CONFIG_CLOCK_80MHZ)
381#define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)
382#define CFG_BRGCLK_PRESCALE 4
383#endif
384
385#define SCCR_MASK CFG_SCCR
386
387/*-----------------------------------------------------------------------
388 * Debug Enable Register
389 * 0x73E67C0F - All interrupts handled by BDM
390 * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
391 *-----------------------------------------------------------------------
392#define CFG_DER 0x73E67C0F
393#define CFG_DER 0x0082400F
394
395 #-------------------------------------------------------------------------
396 # Program the Debug Enable Register (DER). This register provides the user
397 # with the reason for entering into the debug mode. We want all conditions
398 # to end up as an exception. We don't want to enter into debug mode for
399 # any condition. See the back of of the Development Support section of the
400 # MPC860 User Manual for a description of this register.
401 #-------------------------------------------------------------------------
402*/
403#define CFG_DER 0
404
405/*-----------------------------------------------------------------------
406 * Memory Controller Initialization Constants
407 *-----------------------------------------------------------------------
408 */
409
410/*
411 * BR0 and OR0 (AMD dual FLASH devices)
412 * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
413 */
414#define CFG_PRELIM_OR_AM
415#define CFG_OR_TIMING_FLASH
416
417/*
418 *-----------------------------------------------------------------------
419 * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
420 * flash that resides on the QS850.
421 *-----------------------------------------------------------------------
422 */
423
424/* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
425/* represents a minumum 32K block size. */
426#define vBR0_BA ((0xFF80 << 16) + (0 << 15))
427#define CFG_BR0_PRELIM (vBR0_BA | BR_V)
428
429/* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */
430/* which defines a 8 Mbyte memory block. */
431#define vOR0_AM ((0xFF80 << 16) + (0 << 15))
432
433#if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)
434/* 0101 = Add a 5 clock cycle wait state */
435#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)
436#endif
437
438#if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)
439/* 0011 = Add a 3 clock cycle wait state */
440/* 29.8ns clock * (3 + 2) = 149ns cycle time */
441#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)
442#endif
443
444#if defined(CONFIG_CLOCK_16MHZ)
445/* 0010 = Add a 2 clock cycle wait state */
446#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)
447#endif
448
449/*
450 * BR1 and OR1 (SDRAM)
451 * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
452 * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
453 * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
454 * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
455 */
456
457#define SDRAM_BASE 0x00000000 /* SDRAM bank */
458#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
459
460/* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
461 * represents a 128 Mbyte block the DRAM in
462 * this address base.
463 */
464#define vOR1_AM ((0xF800 << 16) + (0 << 15))
465#define vBR1_BA ((0x0000 << 16) + (0 << 15))
466#define CFG_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI)
467#define CFG_BR1 (vBR1_BA | BR_MS_UPMA | BR_V)
468
469/* Machine A Mode Register */
470
471/* PTA Periodic Timer A */
472
473#if defined(CONFIG_CLOCK_80MHZ)
474#define vMAMR_PTA (19 << 24)
475#endif
476
477#if defined(CONFIG_CLOCK_66MHZ)
478#define vMAMR_PTA (16 << 24)
479#endif
480
481#if defined(CONFIG_CLOCK_50MHZ)
482#define vMAMR_PTA (195 << 24)
483#endif
484
485#if defined(CONFIG_CLOCK_33MHZ)
486#define vMAMR_PTA (131 << 24)
487#endif
488
489#if defined(CONFIG_CLOCK_16MHZ)
490#define vMAMR_PTA (65 << 24)
491#endif
492
493/* For boards with 16M of SDRAM */
494#define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200495#define CFG_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\
wdenk3bbc8992003-12-07 22:27:15 +0000496MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
497
498/* For boards with 32M of SDRAM */
499#define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */
Wolfgang Denk53677ef2008-05-20 16:00:29 +0200500#define CFG_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\
wdenk3bbc8992003-12-07 22:27:15 +0000501MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
502
503
504/* Memory Periodic Timer Prescaler Register */
505
506#if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)
507/* Divide by 32 */
508#define CFG_MPTPR 0x02
509#endif
510
511#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
512/* Divide by 16 */
513#define CFG_MPTPR 0x04
514#endif
515
516/*
517 * BR2 and OR2 (Unused)
518 * Base address = 0xF020_0000 - 0xF020_0FFF
519 *
520 */
521#define CFG_OR2_PRELIM 0xFFF00000
522#define CFG_BR2_PRELIM 0xF0200000
523
524/*
525 * BR3 and OR3 (External Bus CS3)
526 * Base address = 0xF030_0000 - 0xF030_0FFF
527 *
528 */
529#define CFG_OR3_PRELIM 0xFFF00000
530#define CFG_BR3_PRELIM 0xF0300000
531
532/*
533 * BR4 and OR4 (External Bus CS3)
534 * Base address = 0xF040_0000 - 0xF040_0FFF
535 *
536 */
537#define CFG_OR4_PRELIM 0xFFF00000
538#define CFG_BR4_PRELIM 0xF0400000
539
540
541/*
542 * BR4 and OR4 (External Bus CS3)
543 * Base address = 0xF050_0000 - 0xF050_0FFF
544 *
545 */
546#define CFG_OR5_PRELIM 0xFFF00000
547#define CFG_BR5_PRELIM 0xF0500000
548
549/*
550 * BR6 and OR6 (Unused)
551 * Base address = 0xF060_0000 - 0xF060_0FFF
552 *
553 */
554#define CFG_OR6_PRELIM 0xFFF00000
555#define CFG_BR6_PRELIM 0xF0600000
556
557/*
558 * BR7 and OR7 (Unused)
559 * Base address = 0xF070_0000 - 0xF070_0FFF
560 *
561 */
562#define CFG_OR7_PRELIM 0xFFF00000
563#define CFG_BR7_PRELIM 0xF0700000
564
565/*
566 * Internal Definitions
567 *
568 * Boot Flags
569 */
570#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
571#define BOOTFLAG_WARM 0x02 /* Software reboot */
572
573/*
574 * Sanity checks
575 */
576#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
577#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
578#endif
579
580#endif /* __CONFIG_H */