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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 ? */
41#undef DEBUG /* debug output code */
42#undef DEBUG_FLASH /* debug flash code */
43#undef FLASH_DEBUG /* debug fash code */
44#undef DEBUG_ENV /* debug environment code */
45
46#define CFG_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */
47#define CONFIG_ENV_OVERWRITE 1 /* allow overwrite MAC address */
48
49/*
50 * High Level Configuration Options
51 * (easy to change)
52 */
53#define CONFIG_MPC823 1 /* This is a MPC823 CPU */
54#define CONFIG_QS823 1 /* ...on a QS823 module */
55#define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */
56
57/* Select the target clock speed */
58#undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */
59#undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */
60#undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */
61#define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */
62#undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */
63
64#ifdef CONFIG_CLOCK_16MHZ
65#define CONFIG_CLOCK_MULT 512
66#endif
67
68#ifdef CONFIG_CLOCK_33MHZ
69#define CONFIG_CLOCK_MULT 1024
70#endif
71
72#ifdef CONFIG_CLOCK_50MHZ
73#define CONFIG_CLOCK_MULT 1525
74#endif
75
76#ifdef CONFIG_CLOCK_66MHZ
77#define CONFIG_CLOCK_MULT 2048
78#endif
79
80#ifdef CONFIG_CLOCK_80MHZ
81#define CONFIG_CLOCK_MULT 2441
82#endif
83
84/* choose flash size, 4Mb or 8Mb */
85#define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */
86#undef CONFIG_FLASH_8MB /* board has 8Mb flash */
87
88#define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */
89
90#undef CONFIG_8xx_CONS_SMC1
91#define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */
92#undef CONFIG_8xx_CONS_NONE
93
94#define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */
95
96#undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */
97
98/* Define default IP addresses */
99#define CONFIG_IPADDR 192.168.1.99 /* own ip address */
100#define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */
101
102/* message to say directly after booting */
103#define CONFIG_PREBOOT "echo '';" \
104 "echo 'type:';" \
105 "echo 'run boot_nfs to boot to NFS';" \
106 "echo 'run boot_flash to boot to flash';" \
107 "echo '';" \
108 "echo 'run flash_rootfs to install a new rootfs';" \
109 "echo 'run flash_env to clear the env sector';" \
110 "echo 'run flash_rw to clear the rw fs';" \
111 "echo 'run flash_uboot to install a new u-boot';" \
112 "echo 'run flash_kernel to install a new kernel';"
113
114/* wait 5 seconds before executing CONFIG_BOOTCOMMAND */
115#define CONFIG_BOOTDELAY 5
116#define CONFIG_BOOTCOMMAND "run boot_nfs"
117
118#undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */
119
120/* Our flash filesystem looks like this
121 *
122 * 4Mb board:
123 * ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb)
124 * ffec 0000 - ffed ffff read-write filesystem (ext2)
125 * ffee 0000 - ffef ffff environment
126 * fff0 0000 - fff1 ffff u-boot
127 * fff2 0000 - ffff ffff linux kernel
128 *
129 * 8Mb board:
130 * ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb)
131 * ffec 0000 - ffed ffff read-write filesystem (ext2)
132 * ffee 0000 - ffef ffff environment
133 * fff0 0000 - fff1 ffff u-boot
134 * fff2 0000 - ffff ffff linux kernel
135 *
136 */
137
138/* environment for 4Mb board */
139#ifdef CONFIG_FLASH_4MB
140#define CONFIG_EXTRA_ENV_SETTINGS \
141 "serial#=QS823\0" \
142 "hostname=qs823\0" \
143 "netdev=eth0\0" \
144 "ethaddr=00:01:02:B4:36:56\0" \
145 "rootpath=/exports/rootfs\0" \
146 "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
147 /* fill in variables */ \
148 "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
149 "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
150 "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
151 /* commands */ \
152 "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
153 "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
154 /* reinstall flash parts */ \
155 "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \
156 "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
157 "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
158 "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \
159 "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
160#endif /* CONFIG_FLASH_4MB */
161
162/* environment for 8Mb board */
163#ifdef CONFIG_FLASH_8MB
164#define CONFIG_EXTRA_ENV_SETTINGS \
165 "serial#=QS823\0" \
166 "hostname=qs823\0" \
167 "netdev=eth0\0" \
168 "ethaddr=00:01:02:B4:36:56\0" \
169 "rootpath=/exports/rootfs\0" \
170 "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \
171 /* fill in variables */ \
172 "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \
173 "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \
174 "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \
175 /* commands */ \
176 "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \
177 "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \
178 /* reinstall flash parts */ \
179 "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \
180 "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \
181 "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \
182 "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \
183 "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0"
184#endif /* CONFIG_FLASH_8MB */
185
186#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
187#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
188#undef CONFIG_WATCHDOG /* watchdog disabled */
189#undef CONFIG_STATUS_LED /* Status LED disabled */
190#undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */
191
192#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
193
194#undef CONFIG_MAC_PARTITION
195#undef CONFIG_DOS_PARTITION
196
197#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
198
wdenk3bbc8992003-12-07 22:27:15 +0000199
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500200/*
201 * Command line configuration.
202 */
203#define CONFIG_CMD_BDI
204#define CONFIG_CMD_BOOTD
205#define CONFIG_CMD_CONSOLE
206#define CONFIG_CMD_DATE
207#define CONFIG_CMD_ENV
208#define CONFIG_CMD_FLASH
209#define CONFIG_CMD_IMI
210#define CONFIG_CMD_IMMAP
211#define CONFIG_CMD_MEMORY
212#define CONFIG_CMD_NET
213#define CONFIG_CMD_RUN
214
wdenk3bbc8992003-12-07 22:27:15 +0000215
216/*-----------------------------------------------------------------------
217 * Environment variable storage is in FLASH, one sector before U-boot
218 */
219#define CFG_ENV_IS_IN_FLASH 1
220#define CFG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */
221#define CFG_ENV_SIZE 0x2000 /* 8kb */
222#define CFG_ENV_ADDR 0xffee0000 /* address of env sector */
223
224/*-----------------------------------------------------------------------
225 * Miscellaneous configurable options
226 */
227#define CFG_LONGHELP /* undef to save memory */
228#define CFG_PROMPT "=> " /* Monitor Command Prompt */
229
230#define CFG_HUSH_PARSER 1 /* use "hush" command parser */
231#define CFG_PROMPT_HUSH_PS2 "> "
232
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500233#if defined(CONFIG_CMD_KGDB)
wdenk3bbc8992003-12-07 22:27:15 +0000234#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 */
243#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
244
245#define CFG_LOAD_ADDR 0x400000 /* 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/*-----------------------------------------------------------------------
252 * Low Level Configuration Settings
253 * (address mappings, register initial values, etc.)
254 * You should know what you are doing if you make changes here.
255 */
256
257/*-----------------------------------------------------------------------
258 * Internal Memory Mapped Register
259 */
260#define CFG_IMMR 0xFF000000
261
262/*-----------------------------------------------------------------------
263 * Definitions for initial stack pointer and data area (in DPRAM)
264 */
265#define CFG_INIT_RAM_ADDR CFG_IMMR
266#define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */
267#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
268#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
269#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
270
271/*-----------------------------------------------------------------------
272 * Start addresses for the final memory configuration
273 * (Set up by the startup code)
274 * Please note that CFG_SDRAM_BASE _must_ start at 0
275 */
276#define CFG_SDRAM_BASE 0x00000000
277#define CFG_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */
278
279#define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */
280#define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */
281
282#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
283#define CFG_MONITOR_BASE 0xFFF00000 /* U-boot location */
284#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
285
286/*
287 * For booting Linux, the board info and command line data
288 * have to be in the first 8 MB of memory, since this is
289 * the maximum mapped by the Linux kernel during initialization.
290 */
291#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
292
293/*-----------------------------------------------------------------------
294 * TODO flash parameters
295 * FLASH organization for Intel Strataflash
296 */
297#undef CFG_FLASH_16BIT /* 32-bit wide flash memory */
298#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
299#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
300
301#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
302#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
303
304/*-----------------------------------------------------------------------
305 * Cache Configuration
306 */
307#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
Jon Loeliger12aa9fd2007-07-08 14:55:07 -0500308#if defined(CONFIG_CMD_KGDB)
wdenk3bbc8992003-12-07 22:27:15 +0000309#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
310#endif
311
312/*-----------------------------------------------------------------------
313 * SYPCR - System Protection Control 11-9
314 * SYPCR can only be written once after reset!
315 *-----------------------------------------------------------------------
316 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
317 */
318
319#ifdef CONFIG_WATCHDOG
320#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP)
321#else
322#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP)
323#endif
324
325/*-----------------------------------------------------------------------
326 * SIUMCR - SIU Module Configuration 11-6
327 *-----------------------------------------------------------------------
328 */
329#define CFG_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E)
330
331/*-----------------------------------------------------------------------
332 * TBSCR - Time Base Status and Control 11-26
333 *-----------------------------------------------------------------------
334 */
335#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF)
336
337/*-----------------------------------------------------------------------
338 * RTCSC - Real-Time Clock Status and Control Register 11-27
339 *-----------------------------------------------------------------------
340 */
341#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
342
343/*-----------------------------------------------------------------------
344 * PISCR - Periodic Interrupt Status and Control 11-31
345 *-----------------------------------------------------------------------
346 */
347#define CFG_PISCR (PISCR_PS | PISCR_PITF)
348
349/*-----------------------------------------------------------------------
350 * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
351 *-----------------------------------------------------------------------
352 */
353
354/* MF (Multiplication Factor of SPLL) */
355/* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */
356#define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20)
357#define CFG_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE)
358
359/*-----------------------------------------------------------------------
360 * SCCR - System Clock and reset Control Register 15-27
361 *-----------------------------------------------------------------------
362 */
363#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
364#define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00)
365#define CFG_BRGCLK_PRESCALE 1
366#endif
367
368#if defined(CONFIG_CLOCK_66MHZ)
369#define CFG_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01)
370#define CFG_BRGCLK_PRESCALE 4
371#endif
372
373#if defined(CONFIG_CLOCK_80MHZ)
374#define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01)
375#define CFG_BRGCLK_PRESCALE 4
376#endif
377
378#define SCCR_MASK CFG_SCCR
379
380/*-----------------------------------------------------------------------
381 * Debug Enable Register
382 * 0x73E67C0F - All interrupts handled by BDM
383 * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM
384 *-----------------------------------------------------------------------
385#define CFG_DER 0x73E67C0F
386#define CFG_DER 0x0082400F
387
388 #-------------------------------------------------------------------------
389 # Program the Debug Enable Register (DER). This register provides the user
390 # with the reason for entering into the debug mode. We want all conditions
391 # to end up as an exception. We don't want to enter into debug mode for
392 # any condition. See the back of of the Development Support section of the
393 # MPC860 User Manual for a description of this register.
394 #-------------------------------------------------------------------------
395*/
396#define CFG_DER 0
397
398/*-----------------------------------------------------------------------
399 * Memory Controller Initialization Constants
400 *-----------------------------------------------------------------------
401 */
402
403/*
404 * BR0 and OR0 (AMD dual FLASH devices)
405 * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation)
406 */
407#define CFG_PRELIM_OR_AM
408#define CFG_OR_TIMING_FLASH
409
410/*
411 *-----------------------------------------------------------------------
412 * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32)
413 * flash that resides on the QS823.
414 *-----------------------------------------------------------------------
415 */
416
417/* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */
418/* represents a minumum 32K block size. */
419#define vBR0_BA ((0xFF80 << 16) + (0 << 15))
420#define CFG_BR0_PRELIM (vBR0_BA | BR_V)
421
422/* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */
423/* which defines a 8 Mbyte memory block. */
424#define vOR0_AM ((0xFF80 << 16) + (0 << 15))
425
426#if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ)
427/* 0101 = Add a 5 clock cycle wait state */
428#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK)
429#endif
430
431#if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ)
432/* 0011 = Add a 3 clock cycle wait state */
433/* 29.8ns clock * (3 + 2) = 149ns cycle time */
434#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK)
435#endif
436
437#if defined(CONFIG_CLOCK_16MHZ)
438/* 0010 = Add a 2 clock cycle wait state */
439#define CFG_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK)
440#endif
441
442/*
443 * BR1 and OR1 (SDRAM)
444 * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation)
445 * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation)
446 * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation)
447 * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation)
448 */
449
450#define SDRAM_BASE 0x00000000 /* SDRAM bank */
451#define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */
452
453/* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which
454 * represents a 128 Mbyte block the DRAM in
455 * this address base.
456 */
457#define vOR1_AM ((0xF800 << 16) + (0 << 15))
458#define vBR1_BA ((0x0000 << 16) + (0 << 15))
459#define CFG_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI)
460#define CFG_BR1 (vBR1_BA | BR_MS_UPMA | BR_V)
461
462/* Machine A Mode Register */
463
464/* PTA Periodic Timer A */
465
466#if defined(CONFIG_CLOCK_80MHZ)
467#define vMAMR_PTA (19 << 24)
468#endif
469
470#if defined(CONFIG_CLOCK_66MHZ)
471#define vMAMR_PTA (16 << 24)
472#endif
473
474#if defined(CONFIG_CLOCK_50MHZ)
475#define vMAMR_PTA (195 << 24)
476#endif
477
478#if defined(CONFIG_CLOCK_33MHZ)
479#define vMAMR_PTA (131 << 24)
480#endif
481
482#if defined(CONFIG_CLOCK_16MHZ)
483#define vMAMR_PTA (65 << 24)
484#endif
485
486/* For boards with 16M of SDRAM */
487#define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */
488#define CFG_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\
489MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
490
491/* For boards with 32M of SDRAM */
492#define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */
493#define CFG_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\
494MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
495
496
497/* Memory Periodic Timer Prescaler Register */
498
499#if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ)
500/* Divide by 32 */
501#define CFG_MPTPR 0x02
502#endif
503
504#if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ)
505/* Divide by 16 */
506#define CFG_MPTPR 0x04
507#endif
508
509/*
510 * BR2 and OR2 (Unused)
511 * Base address = 0xF020_0000 - 0xF020_0FFF
512 *
513 */
514#define CFG_OR2_PRELIM 0xFFF00000
515#define CFG_BR2_PRELIM 0xF0200000
516
517/*
518 * BR3 and OR3 (External Bus CS3)
519 * Base address = 0xF030_0000 - 0xF030_0FFF
520 *
521 */
522#define CFG_OR3_PRELIM 0xFFF00000
523#define CFG_BR3_PRELIM 0xF0300000
524
525/*
526 * BR4 and OR4 (External Bus CS3)
527 * Base address = 0xF040_0000 - 0xF040_0FFF
528 *
529 */
530#define CFG_OR4_PRELIM 0xFFF00000
531#define CFG_BR4_PRELIM 0xF0400000
532
533
534/*
535 * BR4 and OR4 (External Bus CS3)
536 * Base address = 0xF050_0000 - 0xF050_0FFF
537 *
538 */
539#define CFG_OR5_PRELIM 0xFFF00000
540#define CFG_BR5_PRELIM 0xF0500000
541
542/*
543 * BR6 and OR6 (Unused)
544 * Base address = 0xF060_0000 - 0xF060_0FFF
545 *
546 */
547#define CFG_OR6_PRELIM 0xFFF00000
548#define CFG_BR6_PRELIM 0xF0600000
549
550/*
551 * BR7 and OR7 (Unused)
552 * Base address = 0xF070_0000 - 0xF070_0FFF
553 *
554 */
555#define CFG_OR7_PRELIM 0xFFF00000
556#define CFG_BR7_PRELIM 0xF0700000
557
558/*
559 * Internal Definitions
560 *
561 * Boot Flags
562 */
563#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
564#define BOOTFLAG_WARM 0x02 /* Software reboot */
565
566/*
567 * Sanity checks
568 */
569#if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET)
570#error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured
571#endif
572
573#endif /* __CONFIG_H */