]>
Commit | Line | Data |
---|---|---|
56f94be3 | 1 | /* |
414eec35 | 2 | * (C) Copyright 2000-2005 |
56f94be3 WD |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
4 | * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de | |
5 | * | |
6 | * See file CREDITS for list of people who contributed to this | |
7 | * project. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU General Public License as | |
11 | * published by the Free Software Foundation; either version 2 of | |
12 | * the License, or (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
0608e04d | 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
56f94be3 WD |
17 | * GNU General Public License for more details. |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
22 | * MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | /* | |
26 | * board/config.h - configuration options, board specific | |
27 | * Derived from ../tqm8xx/tqm8xx.c | |
28 | */ | |
29 | ||
30 | #ifndef __CONFIG_H | |
31 | #define __CONFIG_H | |
32 | ||
33 | /* | |
34 | * High Level Configuration Options | |
35 | * (easy to change) | |
36 | */ | |
37 | ||
38 | #define CONFIG_MPC855 1 /* This is a MPC855 CPU */ | |
39 | #define CONFIG_KUP4K 1 /* ...on a KUP4K module */ | |
40 | ||
0608e04d | 41 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ |
56f94be3 WD |
42 | #undef CONFIG_8xx_CONS_SMC2 |
43 | #undef CONFIG_8xx_CONS_NONE | |
682011ff | 44 | #define CONFIG_BAUDRATE 115200 /* console baudrate */ |
56f94be3 WD |
45 | #if 0 |
46 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
47 | #else | |
682011ff | 48 | #define CONFIG_BOOTDELAY 1 /* autoboot after 1 second */ |
56f94be3 WD |
49 | #endif |
50 | ||
56f94be3 WD |
51 | #define CONFIG_BOARD_TYPES 1 /* support board types */ |
52 | ||
56f94be3 WD |
53 | |
54 | #undef CONFIG_BOOTARGS | |
55 | ||
56f94be3 | 56 | |
0608e04d WD |
57 | #define CONFIG_EXTRA_ENV_SETTINGS \ |
58 | "slot_a_boot=setenv bootargs root=/dev/hda2 ip=off;" \ | |
59 | "run addhw; diskboot 200000 0:1; bootm 200000\0" \ | |
60 | "slot_b_boot=setenv bootargs root=/dev/hda2 ip=off;" \ | |
61 | "run addhw; diskboot 200000 2:1; bootm 200000\0" \ | |
62 | "nfs_boot=dhcp; run nfsargs addip addhw; bootm 200000\0" \ | |
63 | "panic_boot=echo No Bootdevice !!! reset\0" \ | |
fe126d8b | 64 | "nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath}\0" \ |
0608e04d | 65 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ |
fe126d8b WD |
66 | "addip=setenv bootargs ${bootargs} ip=${ipaddr}:${serverip}:${gatewayip}" \ |
67 | ":${netmask}:${hostname}:${netdev}:off\0" \ | |
68 | "addhw=setenv bootargs ${bootargs} hw=${hw} key1=${key1} panic=1\0" \ | |
0608e04d WD |
69 | "netdev=eth0\0" \ |
70 | "contrast=55\0" \ | |
71 | "silent=1\0" \ | |
72 | "load=tftp 200000 bootloader-4k.bitmap;tftp 100000 bootloader-4k.bin\0" \ | |
fe126d8b | 73 | "update=protect off 1:0-7;era 1:0-7;cp.b 100000 40000000 ${filesize};" \ |
02b11f8e | 74 | "cp.b 200000 40050000 14000\0" |
682011ff WD |
75 | |
76 | #define CONFIG_BOOTCOMMAND \ | |
77 | "run slot_a_boot;run slot_b_boot;run nfs_boot;run panic_boot" | |
56f94be3 | 78 | |
56f94be3 | 79 | |
0608e04d WD |
80 | #define CONFIG_MISC_INIT_R 1 |
81 | #define CONFIG_MISC_INIT_F 1 | |
56f94be3 WD |
82 | |
83 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
84 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
85 | ||
02b11f8e | 86 | #define CONFIG_WATCHDOG 1 /* watchdog enabled */ |
56f94be3 | 87 | |
0608e04d | 88 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ |
56f94be3 WD |
89 | |
90 | #undef CONFIG_CAN_DRIVER /* CAN Driver support disabled */ | |
91 | ||
92 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) | |
93 | ||
94 | #define CONFIG_MAC_PARTITION | |
95 | #define CONFIG_DOS_PARTITION | |
96 | ||
56f94be3 | 97 | |
02b11f8e WD |
98 | /* |
99 | * enable I2C and select the hardware/software driver | |
100 | */ | |
101 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ | |
102 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ | |
103 | ||
104 | #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ | |
105 | #define CFG_I2C_SLAVE 0xFE | |
106 | ||
107 | #ifdef CONFIG_SOFT_I2C | |
108 | /* | |
109 | * Software (bit-bang) I2C driver configuration | |
110 | */ | |
111 | #define PB_SCL 0x00000020 /* PB 26 */ | |
112 | #define PB_SDA 0x00000010 /* PB 27 */ | |
113 | ||
114 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
115 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
116 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
117 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
118 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
119 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
120 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
121 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
122 | #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ | |
123 | #endif /* CONFIG_SOFT_I2C */ | |
124 | ||
125 | ||
126 | /*----------------------------------------------------------------------- | |
127 | * I2C Configuration | |
128 | */ | |
129 | ||
130 | #define CFG_I2C_PICIO_ADDR 0x21 /* PCF8574 IO Expander */ | |
131 | #define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */ | |
132 | ||
0608e04d | 133 | |
02b11f8e WD |
134 | /* List of I2C addresses to be verified by POST */ |
135 | ||
136 | #define I2C_ADDR_LIST {CFG_I2C_PICIO_ADDR, \ | |
137 | CFG_I2C_RTC_ADDR, \ | |
138 | } | |
139 | ||
140 | ||
141 | #define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */ | |
142 | ||
143 | #define CFG_DISCOVER_PHY | |
63ff004c | 144 | #define CONFIG_MII |
02b11f8e WD |
145 | |
146 | #if 0 | |
147 | #define CONFIG_ETHADDR 00:0B:64:00:00:00 /* our OUI from IEEE */ | |
148 | #endif | |
149 | #define CONFIG_KUP4K_LOGO 0x40050000 /* Address of logo bitmap */ | |
56f94be3 WD |
150 | |
151 | /* Define to allow the user to overwrite serial and ethaddr */ | |
152 | #define CONFIG_ENV_OVERWRITE | |
02b11f8e WD |
153 | #if 1 |
154 | /* POST support */ | |
155 | ||
156 | #define CONFIG_POST (CFG_POST_CPU | \ | |
157 | CFG_POST_RTC | \ | |
158 | CFG_POST_I2C) | |
02b11f8e | 159 | #endif |
56f94be3 | 160 | |
348f258f JL |
161 | |
162 | /* | |
163 | * Command line configuration. | |
164 | */ | |
165 | #include <config_cmd_default.h> | |
166 | ||
167 | #define CONFIG_CMD_DATE | |
168 | #define CONFIG_CMD_DHCP | |
169 | #define CONFIG_CMD_I2C | |
170 | #define CONFIG_CMD_IDE | |
171 | #define CONFIG_CMD_NFS | |
348f258f JL |
172 | #define CONFIG_CMD_SNTP |
173 | ||
af075ee9 JL |
174 | #ifdef CONFIG_POST |
175 | #define CONFIG_CMD_DIAG | |
176 | #endif | |
56f94be3 WD |
177 | |
178 | /* | |
179 | * Miscellaneous configurable options | |
180 | */ | |
0608e04d WD |
181 | #define CFG_LONGHELP /* undef to save memory */ |
182 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
348f258f | 183 | #if defined(CONFIG_CMD_KGDB) |
0608e04d | 184 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
56f94be3 | 185 | #else |
0608e04d | 186 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
56f94be3 | 187 | #endif |
0608e04d WD |
188 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ |
189 | #define CFG_MAXARGS 16 /* max number of command args */ | |
56f94be3 WD |
190 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
191 | ||
0608e04d WD |
192 | #define CFG_MEMTEST_START 0x000400000 /* memtest works on */ |
193 | #define CFG_MEMTEST_END 0x002C00000 /* 4 ... 44 MB in DRAM */ | |
56f94be3 | 194 | |
0608e04d | 195 | #define CFG_LOAD_ADDR 0x200000 /* default load address */ |
56f94be3 | 196 | |
0608e04d | 197 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ |
56f94be3 | 198 | |
0608e04d | 199 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 115200 } |
56f94be3 | 200 | |
682011ff WD |
201 | #define CFG_CONSOLE_INFO_QUIET 1 |
202 | ||
56f94be3 WD |
203 | /* |
204 | * Low Level Configuration Settings | |
205 | * (address mappings, register initial values, etc.) | |
206 | * You should know what you are doing if you make changes here. | |
207 | */ | |
208 | /*----------------------------------------------------------------------- | |
209 | * Internal Memory Mapped Register | |
210 | */ | |
211 | #define CFG_IMMR 0xFFF00000 | |
212 | ||
213 | /*----------------------------------------------------------------------- | |
214 | * Definitions for initial stack pointer and data area (in DPRAM) | |
215 | */ | |
216 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
0608e04d WD |
217 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ |
218 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
56f94be3 | 219 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) |
0608e04d | 220 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET |
56f94be3 WD |
221 | |
222 | /*----------------------------------------------------------------------- | |
223 | * Start addresses for the final memory configuration | |
224 | * (Set up by the startup code) | |
225 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
226 | */ | |
0608e04d | 227 | #define CFG_SDRAM_BASE 0x00000000 |
56f94be3 | 228 | #define CFG_FLASH_BASE 0x40000000 |
0608e04d | 229 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
56f94be3 | 230 | #define CFG_MONITOR_BASE CFG_FLASH_BASE |
0608e04d | 231 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ |
56f94be3 WD |
232 | |
233 | /* | |
234 | * For booting Linux, the board info and command line data | |
235 | * have to be in the first 8 MB of memory, since this is | |
236 | * the maximum mapped by the Linux kernel during initialization. | |
237 | */ | |
0608e04d | 238 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
56f94be3 WD |
239 | |
240 | /*----------------------------------------------------------------------- | |
241 | * FLASH organization | |
242 | */ | |
243 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
0608e04d | 244 | #define CFG_MAX_FLASH_SECT 19 /* max number of sectors on one chip */ |
56f94be3 WD |
245 | |
246 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
247 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
248 | ||
0608e04d | 249 | #define CFG_ENV_IS_IN_FLASH 1 |
02b11f8e | 250 | #define CFG_ENV_OFFSET 0x40000 /* Offset of Environment Sector */ |
0608e04d WD |
251 | #define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
252 | #define CFG_ENV_SECT_SIZE 0x10000 | |
56f94be3 WD |
253 | |
254 | /* Address and size of Redundant Environment Sector */ | |
255 | #if 0 | |
256 | #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET+CFG_ENV_SIZE) | |
257 | #define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE) | |
258 | #endif | |
259 | /*----------------------------------------------------------------------- | |
260 | * Hardware Information Block | |
261 | */ | |
02b11f8e WD |
262 | #if 1 |
263 | #define CFG_HWINFO_OFFSET 0x000F0000 /* offset of HW Info block */ | |
264 | #define CFG_HWINFO_SIZE 0x00000100 /* size of HW Info block */ | |
265 | #define CFG_HWINFO_MAGIC 0x4B26500D /* 'K&P<CR>' */ | |
56f94be3 WD |
266 | #endif |
267 | /*----------------------------------------------------------------------- | |
268 | * Cache Configuration | |
269 | */ | |
270 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
348f258f | 271 | #if defined(CONFIG_CMD_KGDB) |
56f94be3 WD |
272 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
273 | #endif | |
274 | ||
275 | /*----------------------------------------------------------------------- | |
276 | * SYPCR - System Protection Control 11-9 | |
277 | * SYPCR can only be written once after reset! | |
278 | *----------------------------------------------------------------------- | |
279 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
280 | */ | |
02b11f8e | 281 | #if 0 && defined(CONFIG_WATCHDOG) /* KUP uses external TPS3705 WD */ |
56f94be3 WD |
282 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
283 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
284 | #else | |
285 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
286 | #endif | |
287 | ||
288 | /*----------------------------------------------------------------------- | |
289 | * SIUMCR - SIU Module Configuration 11-6 | |
290 | *----------------------------------------------------------------------- | |
291 | * PCMCIA config., multi-function pin tri-state | |
292 | */ | |
293 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC00) | |
294 | ||
295 | /*----------------------------------------------------------------------- | |
296 | * TBSCR - Time Base Status and Control 11-26 | |
297 | *----------------------------------------------------------------------- | |
298 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
299 | */ | |
300 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
301 | ||
302 | /*----------------------------------------------------------------------- | |
303 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
304 | *----------------------------------------------------------------------- | |
305 | */ | |
306 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
307 | ||
308 | /*----------------------------------------------------------------------- | |
309 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
310 | *----------------------------------------------------------------------- | |
311 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
312 | */ | |
313 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
314 | ||
315 | /*----------------------------------------------------------------------- | |
316 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
317 | *----------------------------------------------------------------------- | |
318 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
319 | * interrupt status bit | |
320 | * | |
321 | * If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)! | |
322 | */ | |
682011ff | 323 | #define CFG_PLPRCR ( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST ) |
56f94be3 WD |
324 | |
325 | /*----------------------------------------------------------------------- | |
326 | * SCCR - System Clock and reset Control Register 15-27 | |
327 | *----------------------------------------------------------------------- | |
328 | * Set clock output, timebase and RTC source and divider, | |
329 | * power management and some other internal clocks | |
330 | */ | |
331 | #define SCCR_MASK SCCR_EBDF00 | |
682011ff | 332 | #define CFG_SCCR (SCCR_TBS | SCCR_EBDF01 | \ |
56f94be3 WD |
333 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
334 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
335 | SCCR_DFALCD00) | |
336 | ||
337 | /*----------------------------------------------------------------------- | |
338 | * PCMCIA stuff | |
339 | *----------------------------------------------------------------------- | |
340 | * | |
341 | */ | |
342 | ||
ea909b76 | 343 | /* KUP4K use both slots, SLOT_A as "primary". */ |
0608e04d | 344 | #define CONFIG_PCMCIA_SLOT_A 1 |
56f94be3 WD |
345 | |
346 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
347 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
348 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
349 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
350 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
351 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
352 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
353 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
354 | ||
ea909b76 WD |
355 | #define PCMCIA_SOCKETS_NO 2 |
356 | #define PCMCIA_MEM_WIN_NO 8 | |
56f94be3 WD |
357 | /*----------------------------------------------------------------------- |
358 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) | |
359 | *----------------------------------------------------------------------- | |
360 | */ | |
361 | ||
0608e04d | 362 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ |
56f94be3 | 363 | |
0608e04d WD |
364 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ |
365 | #define CONFIG_IDE_LED 1 /* LED for ide supported */ | |
56f94be3 WD |
366 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ |
367 | ||
ea909b76 WD |
368 | #define CFG_IDE_MAXBUS 2 |
369 | #define CFG_IDE_MAXDEVICE 4 | |
56f94be3 WD |
370 | |
371 | #define CFG_ATA_IDE0_OFFSET 0x0000 | |
372 | ||
ea909b76 WD |
373 | #define CFG_ATA_IDE1_OFFSET (4 * CFG_PCMCIA_MEM_SIZE) |
374 | ||
56f94be3 WD |
375 | #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR |
376 | ||
377 | /* Offset for data I/O */ | |
378 | #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) | |
379 | ||
380 | /* Offset for normal register accesses */ | |
381 | #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) | |
382 | ||
383 | /* Offset for alternate registers */ | |
384 | #define CFG_ATA_ALT_OFFSET 0x0100 | |
385 | ||
386 | ||
387 | /*----------------------------------------------------------------------- | |
388 | * | |
389 | *----------------------------------------------------------------------- | |
390 | * | |
391 | */ | |
0608e04d | 392 | #define CFG_DER 0 |
56f94be3 WD |
393 | |
394 | /* | |
395 | * Init Memory Controller: | |
396 | * | |
397 | * BR0/1 and OR0/1 (FLASH) | |
398 | */ | |
399 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
400 | ||
401 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
402 | * restrict access enough to keep SRAM working (if any) | |
403 | * but not too much to meddle with FLASH accesses | |
404 | */ | |
405 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
406 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
407 | ||
408 | /* | |
409 | * FLASH timing: | |
410 | */ | |
411 | #define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_TRLX | OR_CSNT_SAM | \ | |
412 | OR_SCY_2_CLK | OR_EHTR | OR_BI) | |
413 | ||
414 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
415 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
416 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V ) | |
417 | ||
418 | ||
56f94be3 WD |
419 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ |
420 | #define CFG_OR_TIMING_SDRAM 0x00000A00 | |
421 | ||
56f94be3 WD |
422 | |
423 | /* | |
424 | * Memory Periodic Timer Prescaler | |
425 | * | |
426 | * The Divider for PTA (refresh timer) configuration is based on an | |
427 | * example SDRAM configuration (64 MBit, one bank). The adjustment to | |
428 | * the number of chip selects (NCS) and the actually needed refresh | |
429 | * rate is done by setting MPTPR. | |
430 | * | |
431 | * PTA is calculated from | |
432 | * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) | |
433 | * | |
434 | * gclk CPU clock (not bus clock!) | |
435 | * Trefresh Refresh cycle * 4 (four word bursts used) | |
436 | * | |
0608e04d WD |
437 | * 4096 Rows from SDRAM example configuration |
438 | * 1000 factor s -> ms | |
439 | * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
440 | * 4 Number of refresh cycles per period | |
441 | * 64 Refresh cycle in ms per number of rows | |
56f94be3 WD |
442 | * -------------------------------------------- |
443 | * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 | |
444 | * | |
445 | * 50 MHz => 50.000.000 / Divider = 98 | |
446 | * 66 Mhz => 66.000.000 / Divider = 129 | |
447 | * 80 Mhz => 80.000.000 / Divider = 156 | |
448 | */ | |
449 | #if defined(CONFIG_80MHz) | |
450 | #define CFG_MAMR_PTA 156 | |
451 | #elif defined(CONFIG_66MHz) | |
452 | #define CFG_MAMR_PTA 129 | |
453 | #else /* 50 MHz */ | |
454 | #define CFG_MAMR_PTA 98 | |
455 | #endif /*CONFIG_??MHz */ | |
456 | ||
457 | /* | |
458 | * For 16 MBit, refresh rates could be 31.3 us | |
459 | * (= 64 ms / 2K = 125 / quad bursts). | |
460 | * For a simpler initialization, 15.6 us is used instead. | |
461 | * | |
462 | * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks | |
463 | * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank | |
464 | */ | |
465 | #define CFG_MPTPR 0x400 | |
466 | ||
467 | /* | |
468 | * MAMR settings for SDRAM | |
469 | */ | |
470 | #define CFG_MAMR 0x80802114 | |
471 | ||
472 | /* | |
473 | * Internal Definitions | |
474 | * | |
475 | * Boot Flags | |
476 | */ | |
0608e04d | 477 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ |
56f94be3 WD |
478 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ |
479 | ||
480 | ||
481 | #define CONFIG_AUTOBOOT_KEYED /* use key strings to stop autoboot */ | |
482 | #if 0 | |
483 | #define CONFIG_AUTOBOOT_PROMPT "Boote in %d Sekunden - stop mit \"2\"\n" | |
484 | #endif | |
682011ff | 485 | #define CONFIG_AUTOBOOT_STOP_STR "." /* easy to stop for now */ |
0608e04d | 486 | #define CONFIG_SILENT_CONSOLE 1 |
56f94be3 WD |
487 | |
488 | #endif /* __CONFIG_H */ |