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3bbc899f WD |
1 | /* |
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 */ | |
6d0f6bcf | 38 | #undef CONFIG_SYS_DEVICE_NULLDEV /* null device */ |
3bbc899f | 39 | #undef CONFIG_SILENT_CONSOLE /* silent console */ |
6d0f6bcf | 40 | #undef CONFIG_SYS_CONSOLE_INFO_QUIET /* silent console ? */ |
3bbc899f WD |
41 | #undef DEBUG_FLASH /* debug flash code */ |
42 | #undef FLASH_DEBUG /* debug fash code */ | |
43 | #undef DEBUG_ENV /* debug environment code */ | |
44 | ||
6d0f6bcf | 45 | #define CONFIG_SYS_DIRECT_FLASH_TFTP 1 /* allow direct tftp to flash */ |
3bbc899f WD |
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_MPC823 1 /* This is a MPC823 CPU */ | |
53 | #define CONFIG_QS823 1 /* ...on a QS823 module */ | |
54 | #define CONFIG_SCC2_ENET 1 /* SCC2 10BaseT ethernet */ | |
55 | ||
2ae18241 WD |
56 | #define CONFIG_SYS_TEXT_BASE 0xFFF00000 |
57 | ||
3bbc899f WD |
58 | /* Select the target clock speed */ |
59 | #undef CONFIG_CLOCK_16MHZ /* cpu=16,777,216 Hz, mem=16Mhz */ | |
60 | #undef CONFIG_CLOCK_33MHZ /* cpu=33,554,432 Hz, mem=33Mhz */ | |
61 | #undef CONFIG_CLOCK_50MHZ /* cpu=49,971,200 Hz, mem=33Mhz */ | |
62 | #define CONFIG_CLOCK_66MHZ 1 /* cpu=67,108,864 Hz, mem=66Mhz */ | |
63 | #undef CONFIG_CLOCK_80MHZ /* cpu=79,986,688 Hz, mem=33Mhz */ | |
64 | ||
65 | #ifdef CONFIG_CLOCK_16MHZ | |
66 | #define CONFIG_CLOCK_MULT 512 | |
67 | #endif | |
68 | ||
69 | #ifdef CONFIG_CLOCK_33MHZ | |
70 | #define CONFIG_CLOCK_MULT 1024 | |
71 | #endif | |
72 | ||
73 | #ifdef CONFIG_CLOCK_50MHZ | |
74 | #define CONFIG_CLOCK_MULT 1525 | |
75 | #endif | |
76 | ||
77 | #ifdef CONFIG_CLOCK_66MHZ | |
78 | #define CONFIG_CLOCK_MULT 2048 | |
79 | #endif | |
80 | ||
81 | #ifdef CONFIG_CLOCK_80MHZ | |
82 | #define CONFIG_CLOCK_MULT 2441 | |
83 | #endif | |
84 | ||
85 | /* choose flash size, 4Mb or 8Mb */ | |
86 | #define CONFIG_FLASH_4MB 1 /* board has 4Mb flash */ | |
87 | #undef CONFIG_FLASH_8MB /* board has 8Mb flash */ | |
88 | ||
89 | #define CONFIG_CLOCK_BASE 32768 /* Base clock input freq */ | |
90 | ||
91 | #undef CONFIG_8xx_CONS_SMC1 | |
92 | #define CONFIG_8xx_CONS_SMC2 1 /* Console is on SMC2 */ | |
93 | #undef CONFIG_8xx_CONS_NONE | |
94 | ||
95 | #define CONFIG_BAUDRATE 38400 /* console baudrate = 38.4kbps */ | |
96 | ||
97 | #undef CONFIG_CLOCKS_IN_MHZ /* clocks passsed to Linux in MHz */ | |
98 | ||
99 | /* Define default IP addresses */ | |
100 | #define CONFIG_IPADDR 192.168.1.99 /* own ip address */ | |
101 | #define CONFIG_SERVERIP 192.168.1.19 /* used for tftp (not nfs?) */ | |
102 | ||
103 | /* message to say directly after booting */ | |
104 | #define CONFIG_PREBOOT "echo '';" \ | |
105 | "echo 'type:';" \ | |
106 | "echo 'run boot_nfs to boot to NFS';" \ | |
107 | "echo 'run boot_flash to boot to flash';" \ | |
108 | "echo '';" \ | |
109 | "echo 'run flash_rootfs to install a new rootfs';" \ | |
110 | "echo 'run flash_env to clear the env sector';" \ | |
111 | "echo 'run flash_rw to clear the rw fs';" \ | |
112 | "echo 'run flash_uboot to install a new u-boot';" \ | |
113 | "echo 'run flash_kernel to install a new kernel';" | |
114 | ||
115 | /* wait 5 seconds before executing CONFIG_BOOTCOMMAND */ | |
116 | #define CONFIG_BOOTDELAY 5 | |
117 | #define CONFIG_BOOTCOMMAND "run boot_nfs" | |
118 | ||
119 | #undef CONFIG_BOOTARGS /* made by set_nfs of set_flash */ | |
120 | ||
121 | /* Our flash filesystem looks like this | |
122 | * | |
123 | * 4Mb board: | |
124 | * ffc0 0000 - ffeb ffff root filesystem (jffs2) (~3Mb) | |
125 | * ffec 0000 - ffed ffff read-write filesystem (ext2) | |
126 | * ffee 0000 - ffef ffff environment | |
127 | * fff0 0000 - fff1 ffff u-boot | |
128 | * fff2 0000 - ffff ffff linux kernel | |
129 | * | |
130 | * 8Mb board: | |
131 | * ff80 0000 - ffeb ffff root filesystem (jffs2) (~7Mb) | |
132 | * ffec 0000 - ffed ffff read-write filesystem (ext2) | |
133 | * ffee 0000 - ffef ffff environment | |
134 | * fff0 0000 - fff1 ffff u-boot | |
135 | * fff2 0000 - ffff ffff linux kernel | |
136 | * | |
137 | */ | |
138 | ||
139 | /* environment for 4Mb board */ | |
140 | #ifdef CONFIG_FLASH_4MB | |
141 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
142 | "serial#=QS823\0" \ | |
143 | "hostname=qs823\0" \ | |
144 | "netdev=eth0\0" \ | |
145 | "ethaddr=00:01:02:B4:36:56\0" \ | |
146 | "rootpath=/exports/rootfs\0" \ | |
147 | "mtdparts=mtdparts=phys:2816k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \ | |
148 | /* fill in variables */ \ | |
149 | "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \ | |
150 | "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \ | |
151 | "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \ | |
152 | /* commands */ \ | |
153 | "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \ | |
154 | "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \ | |
155 | /* reinstall flash parts */ \ | |
156 | "flash_rootfs=protect off ffc00000 ffebffff; era ffc00000 ffebffff; tftp ffc00000 /tftpboot/rootfs.jffs2\0" \ | |
157 | "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \ | |
158 | "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \ | |
159 | "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.4mb.bin\0" \ | |
160 | "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0" | |
161 | #endif /* CONFIG_FLASH_4MB */ | |
162 | ||
163 | /* environment for 8Mb board */ | |
164 | #ifdef CONFIG_FLASH_8MB | |
165 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
166 | "serial#=QS823\0" \ | |
167 | "hostname=qs823\0" \ | |
168 | "netdev=eth0\0" \ | |
169 | "ethaddr=00:01:02:B4:36:56\0" \ | |
170 | "rootpath=/exports/rootfs\0" \ | |
171 | "mtdparts=mtdparts=phys:6912k(root),128k(rw),128k(env),128k(u-boot),-(kernel)\0" \ | |
172 | /* fill in variables */ \ | |
173 | "set_ip=setenv ip ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off\0" \ | |
174 | "set_nfs=setenv bootargs root=/dev/nfs rw nfsroot=$serverip:$rootpath $ip init=/sbin/init $mtdparts\0" \ | |
175 | "set_flash=setenv bootargs root=/dev/mtdblock1 ro $ip init=/sbin/init $mtdparts\0" \ | |
176 | /* commands */ \ | |
177 | "boot_nfs=run set_ip; run set_nfs; tftp 0x400000 /tftpboot/vmlinux.UBoot; bootm 0x400000\0" \ | |
178 | "boot_flash=run set_ip; run set_flash; bootm fff20000\0" \ | |
179 | /* reinstall flash parts */ \ | |
180 | "flash_rootfs=protect off ff800000 ffebffff; era ff800000 ffebffff; tftp ff800000 /tftpboot/rootfs.jffs2\0" \ | |
181 | "flash_rw=protect off ffec0000 ffedffff; era ffec0000 ffedffff\0" \ | |
182 | "flash_env=protect off ffee0000 ffefffff; era ffee0000 ffefffff\0" \ | |
183 | "flash_uboot=protect off fff00000 fff1ffff; era fff00000 fff1ffff; tftp fff00000 /tftpboot/u-boot.8mb.bin\0" \ | |
184 | "flash_kernel=protect off fff20000 ffffffff; era fff20000 ffffffff; tftp fff20000 /tftpboot/vmlinux.UBoot\0" | |
185 | #endif /* CONFIG_FLASH_8MB */ | |
186 | ||
187 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
6d0f6bcf | 188 | #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
3bbc899f WD |
189 | #undef CONFIG_WATCHDOG /* watchdog disabled */ |
190 | #undef CONFIG_STATUS_LED /* Status LED disabled */ | |
191 | #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ | |
192 | ||
18225e8d JL |
193 | /* |
194 | * BOOTP options | |
195 | */ | |
196 | #define CONFIG_BOOTP_SUBNETMASK | |
197 | #define CONFIG_BOOTP_GATEWAY | |
198 | #define CONFIG_BOOTP_HOSTNAME | |
199 | #define CONFIG_BOOTP_BOOTPATH | |
200 | #define CONFIG_BOOTP_BOOTFILESIZE | |
201 | ||
3bbc899f WD |
202 | |
203 | #undef CONFIG_MAC_PARTITION | |
204 | #undef CONFIG_DOS_PARTITION | |
205 | ||
206 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
207 | ||
12aa9fd2 JL |
208 | |
209 | /* | |
210 | * Command line configuration. | |
211 | */ | |
212 | #define CONFIG_CMD_BDI | |
213 | #define CONFIG_CMD_BOOTD | |
214 | #define CONFIG_CMD_CONSOLE | |
215 | #define CONFIG_CMD_DATE | |
bdab39d3 | 216 | #define CONFIG_CMD_SAVEENV |
12aa9fd2 JL |
217 | #define CONFIG_CMD_FLASH |
218 | #define CONFIG_CMD_IMI | |
219 | #define CONFIG_CMD_IMMAP | |
220 | #define CONFIG_CMD_MEMORY | |
221 | #define CONFIG_CMD_NET | |
222 | #define CONFIG_CMD_RUN | |
223 | ||
3bbc899f WD |
224 | |
225 | /*----------------------------------------------------------------------- | |
226 | * Environment variable storage is in FLASH, one sector before U-boot | |
227 | */ | |
5a1aceb0 | 228 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
229 | #define CONFIG_ENV_SECT_SIZE 0x20000 /* 128Kb, one whole sector */ |
230 | #define CONFIG_ENV_SIZE 0x2000 /* 8kb */ | |
231 | #define CONFIG_ENV_ADDR 0xffee0000 /* address of env sector */ | |
3bbc899f WD |
232 | |
233 | /*----------------------------------------------------------------------- | |
234 | * Miscellaneous configurable options | |
235 | */ | |
6d0f6bcf JCPV |
236 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
237 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
3bbc899f | 238 | |
6d0f6bcf | 239 | #define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */ |
3bbc899f | 240 | |
12aa9fd2 | 241 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 242 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
3bbc899f | 243 | #else |
6d0f6bcf | 244 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
3bbc899f | 245 | #endif |
6d0f6bcf JCPV |
246 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
247 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
248 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
3bbc899f | 249 | |
6d0f6bcf JCPV |
250 | #define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works */ |
251 | #define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
3bbc899f | 252 | |
6d0f6bcf | 253 | #define CONFIG_SYS_LOAD_ADDR 0x400000 /* default load address */ |
3bbc899f | 254 | |
6d0f6bcf | 255 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
3bbc899f | 256 | |
3bbc899f WD |
257 | /*----------------------------------------------------------------------- |
258 | * Low Level Configuration Settings | |
259 | * (address mappings, register initial values, etc.) | |
260 | * You should know what you are doing if you make changes here. | |
261 | */ | |
262 | ||
263 | /*----------------------------------------------------------------------- | |
264 | * Internal Memory Mapped Register | |
265 | */ | |
6d0f6bcf | 266 | #define CONFIG_SYS_IMMR 0xFF000000 |
3bbc899f WD |
267 | |
268 | /*----------------------------------------------------------------------- | |
269 | * Definitions for initial stack pointer and data area (in DPRAM) | |
270 | */ | |
6d0f6bcf | 271 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 272 | #define CONFIG_SYS_INIT_RAM_SIZE 0x2F00 /* Size of used area in DPRAM */ |
25ddd1fb | 273 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 274 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
3bbc899f WD |
275 | |
276 | /*----------------------------------------------------------------------- | |
277 | * Start addresses for the final memory configuration | |
278 | * (Set up by the startup code) | |
6d0f6bcf | 279 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
3bbc899f | 280 | */ |
6d0f6bcf JCPV |
281 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
282 | #define CONFIG_SYS_FLASH_BASE 0xFF800000 /* Allow an 8Mbyte window */ | |
3bbc899f WD |
283 | |
284 | #define FLASH_BASE0_4M_PRELIM 0xFFC00000 /* Base for 4M Flash */ | |
285 | #define FLASH_BASE0_8M_PRELIM 0xFF800000 /* Base for 8M Flash */ | |
286 | ||
6d0f6bcf JCPV |
287 | #define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
288 | #define CONFIG_SYS_MONITOR_BASE 0xFFF00000 /* U-boot location */ | |
289 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
3bbc899f WD |
290 | |
291 | /* | |
292 | * For booting Linux, the board info and command line data | |
293 | * have to be in the first 8 MB of memory, since this is | |
294 | * the maximum mapped by the Linux kernel during initialization. | |
295 | */ | |
6d0f6bcf | 296 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
3bbc899f WD |
297 | |
298 | /*----------------------------------------------------------------------- | |
299 | * TODO flash parameters | |
300 | * FLASH organization for Intel Strataflash | |
301 | */ | |
6d0f6bcf JCPV |
302 | #undef CONFIG_SYS_FLASH_16BIT /* 32-bit wide flash memory */ |
303 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
304 | #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ | |
3bbc899f | 305 | |
6d0f6bcf JCPV |
306 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
307 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
3bbc899f WD |
308 | |
309 | /*----------------------------------------------------------------------- | |
310 | * Cache Configuration | |
311 | */ | |
6d0f6bcf | 312 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
12aa9fd2 | 313 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 314 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
3bbc899f WD |
315 | #endif |
316 | ||
317 | /*----------------------------------------------------------------------- | |
318 | * SYPCR - System Protection Control 11-9 | |
319 | * SYPCR can only be written once after reset! | |
320 | *----------------------------------------------------------------------- | |
321 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
322 | */ | |
323 | ||
324 | #ifdef CONFIG_WATCHDOG | |
6d0f6bcf | 325 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP) |
3bbc899f | 326 | #else |
6d0f6bcf | 327 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWRI | SYPCR_SWP) |
3bbc899f WD |
328 | #endif |
329 | ||
330 | /*----------------------------------------------------------------------- | |
331 | * SIUMCR - SIU Module Configuration 11-6 | |
332 | *----------------------------------------------------------------------- | |
333 | */ | |
6d0f6bcf | 334 | #define CONFIG_SYS_SIUMCR (SIUMCR_DLK | SIUMCR_DPC | SIUMCR_MPRE | SIUMCR_MLRC01 | SIUMCR_GB5E) |
3bbc899f WD |
335 | |
336 | /*----------------------------------------------------------------------- | |
337 | * TBSCR - Time Base Status and Control 11-26 | |
338 | *----------------------------------------------------------------------- | |
339 | */ | |
6d0f6bcf | 340 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
3bbc899f WD |
341 | |
342 | /*----------------------------------------------------------------------- | |
343 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
344 | *----------------------------------------------------------------------- | |
345 | */ | |
6d0f6bcf | 346 | #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
3bbc899f WD |
347 | |
348 | /*----------------------------------------------------------------------- | |
349 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
350 | *----------------------------------------------------------------------- | |
351 | */ | |
6d0f6bcf | 352 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
3bbc899f WD |
353 | |
354 | /*----------------------------------------------------------------------- | |
355 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
356 | *----------------------------------------------------------------------- | |
357 | */ | |
358 | ||
359 | /* MF (Multiplication Factor of SPLL) */ | |
360 | /* Sets the QS823 to specified clock from 32KHz clock at EXTAL. */ | |
361 | #define vPLPRCR_MF ((CONFIG_CLOCK_MULT+1) << 20) | |
6d0f6bcf | 362 | #define CONFIG_SYS_PLPRCR (vPLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST | PLPRCR_LOLRE) |
3bbc899f WD |
363 | |
364 | /*----------------------------------------------------------------------- | |
365 | * SCCR - System Clock and reset Control Register 15-27 | |
366 | *----------------------------------------------------------------------- | |
367 | */ | |
368 | #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ) | |
6d0f6bcf JCPV |
369 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG00) |
370 | #define CONFIG_SYS_BRGCLK_PRESCALE 1 | |
3bbc899f WD |
371 | #endif |
372 | ||
373 | #if defined(CONFIG_CLOCK_66MHZ) | |
6d0f6bcf JCPV |
374 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF00 | SCCR_DFBRG01) |
375 | #define CONFIG_SYS_BRGCLK_PRESCALE 4 | |
3bbc899f WD |
376 | #endif |
377 | ||
378 | #if defined(CONFIG_CLOCK_80MHZ) | |
6d0f6bcf JCPV |
379 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_EBDF01 | SCCR_DFBRG01) |
380 | #define CONFIG_SYS_BRGCLK_PRESCALE 4 | |
3bbc899f WD |
381 | #endif |
382 | ||
6d0f6bcf | 383 | #define SCCR_MASK CONFIG_SYS_SCCR |
3bbc899f WD |
384 | |
385 | /*----------------------------------------------------------------------- | |
386 | * Debug Enable Register | |
387 | * 0x73E67C0F - All interrupts handled by BDM | |
388 | * 0x00824001 - Only interrupts needed by MWDebug.exe handled by BDM | |
389 | *----------------------------------------------------------------------- | |
6d0f6bcf JCPV |
390 | #define CONFIG_SYS_DER 0x73E67C0F |
391 | #define CONFIG_SYS_DER 0x0082400F | |
3bbc899f WD |
392 | |
393 | #------------------------------------------------------------------------- | |
394 | # Program the Debug Enable Register (DER). This register provides the user | |
395 | # with the reason for entering into the debug mode. We want all conditions | |
396 | # to end up as an exception. We don't want to enter into debug mode for | |
397 | # any condition. See the back of of the Development Support section of the | |
398 | # MPC860 User Manual for a description of this register. | |
399 | #------------------------------------------------------------------------- | |
400 | */ | |
6d0f6bcf | 401 | #define CONFIG_SYS_DER 0 |
3bbc899f WD |
402 | |
403 | /*----------------------------------------------------------------------- | |
404 | * Memory Controller Initialization Constants | |
405 | *----------------------------------------------------------------------- | |
406 | */ | |
407 | ||
408 | /* | |
409 | * BR0 and OR0 (AMD dual FLASH devices) | |
410 | * Base address = 0xFFF0_0000 - 0xFFF7_FFFF (After relocation) | |
411 | */ | |
6d0f6bcf JCPV |
412 | #define CONFIG_SYS_PRELIM_OR_AM |
413 | #define CONFIG_SYS_OR_TIMING_FLASH | |
3bbc899f WD |
414 | |
415 | /* | |
416 | *----------------------------------------------------------------------- | |
417 | * Base Register 0 (BR0): Bank 0 is assigned to the 8Mbyte (2M X 32) | |
418 | * flash that resides on the QS823. | |
419 | *----------------------------------------------------------------------- | |
420 | */ | |
421 | ||
422 | /* BA (Base Address) = 0xFF80+0b for a total of 17 bits. 17 bit base addr */ | |
423 | /* represents a minumum 32K block size. */ | |
424 | #define vBR0_BA ((0xFF80 << 16) + (0 << 15)) | |
6d0f6bcf | 425 | #define CONFIG_SYS_BR0_PRELIM (vBR0_BA | BR_V) |
3bbc899f WD |
426 | |
427 | /* AM (Address Mask) = 0xFF80+0b = We've masked the upper 9 bits */ | |
428 | /* which defines a 8 Mbyte memory block. */ | |
429 | #define vOR0_AM ((0xFF80 << 16) + (0 << 15)) | |
430 | ||
431 | #if defined(CONFIG_CLOCK_50MHZ) || defined(CONFIG_CLOCK_80MHZ) | |
432 | /* 0101 = Add a 5 clock cycle wait state */ | |
6d0f6bcf | 433 | #define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | 0R_ACS_DIV4 | OR_BI | OR_SCY_5_CLK) |
3bbc899f WD |
434 | #endif |
435 | ||
436 | #if defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_66MHZ) | |
437 | /* 0011 = Add a 3 clock cycle wait state */ | |
438 | /* 29.8ns clock * (3 + 2) = 149ns cycle time */ | |
6d0f6bcf | 439 | #define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK) |
3bbc899f WD |
440 | #endif |
441 | ||
442 | #if defined(CONFIG_CLOCK_16MHZ) | |
443 | /* 0010 = Add a 2 clock cycle wait state */ | |
6d0f6bcf | 444 | #define CONFIG_SYS_OR0_PRELIM (vOR0_AM | OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_2_CLK) |
3bbc899f WD |
445 | #endif |
446 | ||
447 | /* | |
448 | * BR1 and OR1 (SDRAM) | |
449 | * Base Address = 0x00000000 - 0x00FF_FFFF (16M After relocation) | |
450 | * Base Address = 0x00000000 - 0x01FF_FFFF (32M After relocation) | |
451 | * Base Address = 0x00000000 - 0x03FF_FFFF (64M After relocation) | |
452 | * Base Address = 0x00000000 - 0x07FF_FFFF (128M After relocation) | |
453 | */ | |
454 | ||
455 | #define SDRAM_BASE 0x00000000 /* SDRAM bank */ | |
456 | #define SDRAM_PRELIM_OR_AM 0xF8000000 /* map max. 128 MB */ | |
457 | ||
458 | /* AM (Address Mask) = 0xF800+0b = We've masked the upper 5 bits which | |
459 | * represents a 128 Mbyte block the DRAM in | |
460 | * this address base. | |
461 | */ | |
462 | #define vOR1_AM ((0xF800 << 16) + (0 << 15)) | |
463 | #define vBR1_BA ((0x0000 << 16) + (0 << 15)) | |
6d0f6bcf JCPV |
464 | #define CONFIG_SYS_OR1 (vOR1_AM | OR_CSNT_SAM | OR_BI) |
465 | #define CONFIG_SYS_BR1 (vBR1_BA | BR_MS_UPMA | BR_V) | |
3bbc899f WD |
466 | |
467 | /* Machine A Mode Register */ | |
468 | ||
469 | /* PTA Periodic Timer A */ | |
470 | ||
471 | #if defined(CONFIG_CLOCK_80MHZ) | |
472 | #define vMAMR_PTA (19 << 24) | |
473 | #endif | |
474 | ||
475 | #if defined(CONFIG_CLOCK_66MHZ) | |
476 | #define vMAMR_PTA (16 << 24) | |
477 | #endif | |
478 | ||
479 | #if defined(CONFIG_CLOCK_50MHZ) | |
480 | #define vMAMR_PTA (195 << 24) | |
481 | #endif | |
482 | ||
483 | #if defined(CONFIG_CLOCK_33MHZ) | |
484 | #define vMAMR_PTA (131 << 24) | |
485 | #endif | |
486 | ||
487 | #if defined(CONFIG_CLOCK_16MHZ) | |
488 | #define vMAMR_PTA (65 << 24) | |
489 | #endif | |
490 | ||
491 | /* For boards with 16M of SDRAM */ | |
492 | #define SDRAM_16M_MAX_SIZE 0x01000000 /* max 16MB SDRAM */ | |
6d0f6bcf | 493 | #define CONFIG_SYS_16M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_0 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A11 |\ |
3bbc899f WD |
494 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
495 | ||
496 | /* For boards with 32M of SDRAM */ | |
497 | #define SDRAM_32M_MAX_SIZE 0x02000000 /* max 32MB SDRAM */ | |
6d0f6bcf | 498 | #define CONFIG_SYS_32M_MAMR (vMAMR_PTA | MAMR_AMA_TYPE_1 | MAMR_DSA_2_CYCL | MAMR_G0CLA_A10 |\ |
3bbc899f WD |
499 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) |
500 | ||
501 | ||
502 | /* Memory Periodic Timer Prescaler Register */ | |
503 | ||
504 | #if defined(CONFIG_CLOCK_66MHZ) || defined(CONFIG_CLOCK_80MHZ) | |
505 | /* Divide by 32 */ | |
6d0f6bcf | 506 | #define CONFIG_SYS_MPTPR 0x02 |
3bbc899f WD |
507 | #endif |
508 | ||
509 | #if defined(CONFIG_CLOCK_16MHZ) || defined(CONFIG_CLOCK_33MHZ) || defined(CONFIG_CLOCK_50MHZ) | |
510 | /* Divide by 16 */ | |
6d0f6bcf | 511 | #define CONFIG_SYS_MPTPR 0x04 |
3bbc899f WD |
512 | #endif |
513 | ||
514 | /* | |
515 | * BR2 and OR2 (Unused) | |
516 | * Base address = 0xF020_0000 - 0xF020_0FFF | |
517 | * | |
518 | */ | |
6d0f6bcf JCPV |
519 | #define CONFIG_SYS_OR2_PRELIM 0xFFF00000 |
520 | #define CONFIG_SYS_BR2_PRELIM 0xF0200000 | |
3bbc899f WD |
521 | |
522 | /* | |
523 | * BR3 and OR3 (External Bus CS3) | |
524 | * Base address = 0xF030_0000 - 0xF030_0FFF | |
525 | * | |
526 | */ | |
6d0f6bcf JCPV |
527 | #define CONFIG_SYS_OR3_PRELIM 0xFFF00000 |
528 | #define CONFIG_SYS_BR3_PRELIM 0xF0300000 | |
3bbc899f WD |
529 | |
530 | /* | |
531 | * BR4 and OR4 (External Bus CS3) | |
532 | * Base address = 0xF040_0000 - 0xF040_0FFF | |
533 | * | |
534 | */ | |
6d0f6bcf JCPV |
535 | #define CONFIG_SYS_OR4_PRELIM 0xFFF00000 |
536 | #define CONFIG_SYS_BR4_PRELIM 0xF0400000 | |
3bbc899f WD |
537 | |
538 | ||
539 | /* | |
540 | * BR4 and OR4 (External Bus CS3) | |
541 | * Base address = 0xF050_0000 - 0xF050_0FFF | |
542 | * | |
543 | */ | |
6d0f6bcf JCPV |
544 | #define CONFIG_SYS_OR5_PRELIM 0xFFF00000 |
545 | #define CONFIG_SYS_BR5_PRELIM 0xF0500000 | |
3bbc899f WD |
546 | |
547 | /* | |
548 | * BR6 and OR6 (Unused) | |
549 | * Base address = 0xF060_0000 - 0xF060_0FFF | |
550 | * | |
551 | */ | |
6d0f6bcf JCPV |
552 | #define CONFIG_SYS_OR6_PRELIM 0xFFF00000 |
553 | #define CONFIG_SYS_BR6_PRELIM 0xF0600000 | |
3bbc899f WD |
554 | |
555 | /* | |
556 | * BR7 and OR7 (Unused) | |
557 | * Base address = 0xF070_0000 - 0xF070_0FFF | |
558 | * | |
559 | */ | |
6d0f6bcf JCPV |
560 | #define CONFIG_SYS_OR7_PRELIM 0xFFF00000 |
561 | #define CONFIG_SYS_BR7_PRELIM 0xF0700000 | |
3bbc899f | 562 | |
3bbc899f WD |
563 | /* |
564 | * Sanity checks | |
565 | */ | |
566 | #if defined(CONFIG_SCC1_ENET) && defined(CONFIG_FEC_ENET) | |
567 | #error Both CONFIG_SCC1_ENET and CONFIG_FEC_ENET configured | |
568 | #endif | |
569 | ||
570 | #endif /* __CONFIG_H */ |