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f7d1572b | 1 | /* |
414eec35 | 2 | * (C) Copyright 2000-2005 |
f7d1572b WD |
3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. |
4 | * | |
5 | * See file CREDITS for list of people who contributed to this | |
6 | * project. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation; either version 2 of | |
11 | * the License, or (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
21 | * MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | /* | |
25 | * board/config.h - configuration options, board specific | |
26 | */ | |
27 | ||
28 | #ifndef __CONFIG_H | |
29 | #define __CONFIG_H | |
30 | ||
31 | /* | |
32 | * High Level Configuration Options | |
33 | * (easy to change) | |
34 | */ | |
35 | ||
36 | #define CONFIG_MPC860 1 | |
37 | #define CONFIG_MPC860T 1 | |
38 | #define CONFIG_MPC862 1 /* enable 862 since the */ | |
39 | #define CONFIG_MPC857 1 /* 857 is a variant of the 862 */ | |
40 | ||
41 | #define CONFIG_UC100 1 /* ...on a UC100 module */ | |
42 | ||
43 | #define MPC8XX_FACT 4 /* Multiply by 4 */ | |
44 | #define MPC8XX_XIN 25000000 /* 25.0 MHz in */ | |
45 | #define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN) | |
46 | /* define if cant' use get_gclk_freq */ | |
47 | ||
48 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ | |
49 | #undef CONFIG_8xx_CONS_SMC2 | |
50 | #undef CONFIG_8xx_CONS_NONE | |
51 | ||
52 | #define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */ | |
53 | ||
54 | #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ | |
55 | ||
56 | #define CONFIG_BOOTCOUNT_LIMIT | |
57 | ||
58 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
59 | ||
60 | #define CONFIG_BOARD_TYPES 1 /* support board types */ | |
61 | ||
62 | #define CONFIG_PREBOOT "echo;" \ | |
32bf3d14 | 63 | "echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \ |
f7d1572b WD |
64 | "echo" |
65 | ||
66 | #undef CONFIG_BOOTARGS | |
67 | ||
68 | #define CONFIG_EXTRA_ENV_SETTINGS \ | |
69 | "netdev=eth0\0" \ | |
70 | "nfsargs=setenv bootargs root=/dev/nfs rw " \ | |
fe126d8b | 71 | "nfsroot=${serverip}:${rootpath}\0" \ |
f7d1572b | 72 | "ramargs=setenv bootargs root=/dev/ram rw\0" \ |
fe126d8b WD |
73 | "addip=setenv bootargs ${bootargs} " \ |
74 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \ | |
75 | ":${hostname}:${netdev}:off panic=1\0" \ | |
76 | "addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\ | |
f7d1572b | 77 | "flash_nfs=run nfsargs addip addtty;" \ |
fe126d8b | 78 | "bootm ${kernel_addr}\0" \ |
f7d1572b | 79 | "flash_self=run ramargs addip addtty;" \ |
fe126d8b WD |
80 | "bootm ${kernel_addr} ${ramdisk_addr}\0" \ |
81 | "net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \ | |
f7d1572b WD |
82 | "bootm\0" \ |
83 | "rootpath=/opt/eldk/ppc_8xx\0" \ | |
84 | "bootfile=/tftpboot/uc100/uImage\0" \ | |
85 | "kernel_addr=40000000\0" \ | |
86 | "ramdisk_addr=40100000\0" \ | |
87 | "load=tftp 100000 /tftpboot/uc100/u-boot.bin\0" \ | |
88 | "update=protect off 40700000 4073ffff;era 40700000 4073ffff;" \ | |
fe126d8b | 89 | "cp.b 100000 40700000 ${filesize};" \ |
f7d1572b WD |
90 | "setenv filesize;saveenv\0" \ |
91 | "" | |
92 | #define CONFIG_BOOTCOMMAND "run flash_self" | |
93 | ||
94 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
95 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
96 | ||
97 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
98 | ||
99 | #undef CONFIG_STATUS_LED /* no status-led */ | |
100 | ||
d3b8c1a7 JL |
101 | /* |
102 | * BOOTP options | |
103 | */ | |
104 | #define CONFIG_BOOTP_SUBNETMASK | |
105 | #define CONFIG_BOOTP_GATEWAY | |
106 | #define CONFIG_BOOTP_HOSTNAME | |
107 | #define CONFIG_BOOTP_BOOTPATH | |
108 | #define CONFIG_BOOTP_BOOTFILESIZE | |
109 | ||
f7d1572b WD |
110 | |
111 | #define CONFIG_MAC_PARTITION | |
112 | #define CONFIG_DOS_PARTITION | |
113 | ||
114 | #undef CONFIG_RTC_MPC8xx | |
115 | #define CFG_I2C_RTC_ADDR 0x51 /* PCF8563 RTC */ | |
116 | #define CONFIG_RTC_PCF8563 /* use Philips PCF8563 RTC */ | |
117 | ||
118 | /* | |
119 | * Power On Self Test support | |
120 | */ | |
121 | #define CONFIG_POST ( CFG_POST_CACHE | \ | |
122 | CFG_POST_MEMORY | \ | |
123 | CFG_POST_CPU | \ | |
124 | CFG_POST_UART | \ | |
125 | CFG_POST_SPR ) | |
126 | #undef CONFIG_POST | |
127 | ||
f7d1572b | 128 | |
6c18eb98 JL |
129 | /* |
130 | * Command line configuration. | |
131 | */ | |
132 | #include <config_cmd_default.h> | |
133 | ||
134 | #define CONFIG_CMD_ASKENV | |
135 | #define CONFIG_CMD_DATE | |
136 | #define CONFIG_CMD_DHCP | |
137 | #define CONFIG_CMD_EEPROM | |
138 | #define CONFIG_CMD_ELF | |
139 | #define CONFIG_CMD_FAT | |
140 | #define CONFIG_CMD_I2C | |
141 | #define CONFIG_CMD_IDE | |
142 | #define CONFIG_CMD_MII | |
143 | #define CONFIG_CMD_NFS | |
144 | #define CONFIG_CMD_PING | |
6c18eb98 | 145 | #define CONFIG_CMD_SNTP |
f7d1572b | 146 | |
af075ee9 JL |
147 | #ifdef CONFIG_POST |
148 | #define CONFIG_CMD_DIAG | |
149 | #endif | |
150 | ||
6c18eb98 JL |
151 | |
152 | #define CONFIG_NETCONSOLE | |
f7d1572b WD |
153 | |
154 | /* | |
155 | * Miscellaneous configurable options | |
156 | */ | |
157 | #define CFG_LONGHELP /* undef to save memory */ | |
158 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
159 | ||
160 | #if 0 | |
161 | #define CFG_HUSH_PARSER 1 /* use "hush" command parser */ | |
162 | #endif | |
163 | #ifdef CFG_HUSH_PARSER | |
164 | #define CFG_PROMPT_HUSH_PS2 "> " | |
165 | #endif | |
166 | ||
6c18eb98 | 167 | #if defined(CONFIG_CMD_KGDB) |
f7d1572b WD |
168 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
169 | #else | |
170 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
171 | #endif | |
172 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
173 | #define CFG_MAXARGS 16 /* max number of command args */ | |
174 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
175 | ||
176 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
177 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
178 | ||
179 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
180 | ||
181 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
182 | ||
183 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
184 | ||
185 | #define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */ | |
186 | ||
187 | /* | |
188 | * Low Level Configuration Settings | |
189 | * (address mappings, register initial values, etc.) | |
190 | * You should know what you are doing if you make changes here. | |
191 | */ | |
192 | /*----------------------------------------------------------------------- | |
193 | * Internal Memory Mapped Register | |
194 | */ | |
195 | #define CFG_IMMR 0xF0000000 | |
196 | ||
197 | /*----------------------------------------------------------------------- | |
198 | * Definitions for initial stack pointer and data area (in DPRAM) | |
199 | */ | |
200 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
201 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
202 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
203 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
204 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
205 | ||
206 | /*----------------------------------------------------------------------- | |
207 | * Start addresses for the final memory configuration | |
208 | * (Set up by the startup code) | |
209 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
210 | */ | |
211 | #define CFG_SDRAM_BASE 0x00000000 | |
212 | #define CFG_FLASH_BASE 0x40000000 | |
213 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
214 | #define CFG_MONITOR_BASE (CFG_FLASH_BASE+0x00700000) /* resetvec fff00100*/ | |
215 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
216 | ||
217 | /*----------------------------------------------------------------------- | |
218 | * Address accessed to reset the board - must not be mapped/assigned | |
219 | */ | |
220 | #define CFG_RESET_ADDRESS 0x90000000 | |
221 | ||
222 | /* | |
223 | * For booting Linux, the board info and command line data | |
224 | * have to be in the first 8 MB of memory, since this is | |
225 | * the maximum mapped by the Linux kernel during initialization. | |
226 | */ | |
227 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
228 | ||
229 | /*----------------------------------------------------------------------- | |
230 | * FLASH organization | |
231 | */ | |
232 | #define CFG_FLASH_CFI /* The flash is CFI compatible */ | |
00b1883a | 233 | #define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */ |
f7d1572b WD |
234 | #define CFG_FLASH_CFI_AMD_RESET 1 /* AMD RESET for STM 29W320DB! */ |
235 | ||
236 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
237 | #define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ | |
238 | ||
239 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
240 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
241 | ||
242 | #define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ | |
243 | ||
5a1aceb0 | 244 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
245 | #define CONFIG_ENV_ADDR (CFG_MONITOR_BASE+CFG_MONITOR_LEN) |
246 | #define CONFIG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */ | |
247 | #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
f7d1572b WD |
248 | |
249 | /* Address and size of Redundant Environment Sector */ | |
0e8d1586 JCPV |
250 | #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR+CONFIG_ENV_SECT_SIZE) |
251 | #define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) | |
f7d1572b WD |
252 | |
253 | /*----------------------------------------------------------------------- | |
254 | * Cache Configuration | |
255 | */ | |
256 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
6c18eb98 | 257 | #if defined(CONFIG_CMD_KGDB) |
f7d1572b WD |
258 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
259 | #endif | |
260 | ||
261 | /*----------------------------------------------------------------------- | |
262 | * SYPCR - System Protection Control 11-9 | |
263 | * SYPCR can only be written once after reset! | |
264 | *----------------------------------------------------------------------- | |
265 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
266 | */ | |
267 | #if defined(CONFIG_WATCHDOG) | |
268 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
269 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
270 | #else | |
271 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
272 | #endif | |
273 | ||
274 | /*----------------------------------------------------------------------- | |
275 | * SIUMCR - SIU Module Configuration 11-6 | |
276 | *----------------------------------------------------------------------- | |
277 | * PCMCIA config., multi-function pin tri-state | |
278 | */ | |
279 | #define CFG_SIUMCR (SIUMCR_FRC | SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) | |
280 | ||
281 | /*----------------------------------------------------------------------- | |
282 | * TBSCR - Time Base Status and Control 11-26 | |
283 | *----------------------------------------------------------------------- | |
284 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
285 | */ | |
286 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) | |
287 | ||
288 | /*----------------------------------------------------------------------- | |
289 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
290 | *----------------------------------------------------------------------- | |
291 | */ | |
292 | #define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) | |
293 | ||
294 | /*----------------------------------------------------------------------- | |
295 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
296 | *----------------------------------------------------------------------- | |
297 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
298 | */ | |
299 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
300 | ||
301 | /*----------------------------------------------------------------------- | |
302 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
303 | *----------------------------------------------------------------------- | |
304 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
305 | * interrupt status bit | |
306 | */ | |
307 | #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ | |
308 | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
309 | ||
310 | /*----------------------------------------------------------------------- | |
311 | * SCCR - System Clock and reset Control Register 15-27 | |
312 | *----------------------------------------------------------------------- | |
313 | * Set clock output, timebase and RTC source and divider, | |
314 | * power management and some other internal clocks | |
315 | */ | |
316 | #define SCCR_MASK 0x00000000 | |
317 | #define CFG_SCCR (SCCR_EBDF11) | |
318 | ||
319 | /*----------------------------------------------------------------------- | |
320 | * PCMCIA stuff | |
321 | *----------------------------------------------------------------------- | |
322 | * | |
323 | */ | |
324 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
325 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
326 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
327 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
328 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
329 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
330 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
331 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
332 | ||
333 | /*----------------------------------------------------------------------- | |
334 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) | |
335 | *----------------------------------------------------------------------- | |
336 | */ | |
337 | ||
338 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ | |
339 | ||
340 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ | |
341 | #undef CONFIG_IDE_LED /* LED for ide not supported */ | |
342 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ | |
343 | ||
344 | #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ | |
345 | #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ | |
346 | ||
347 | #define CFG_ATA_IDE0_OFFSET 0x0000 | |
348 | ||
349 | #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR | |
350 | ||
351 | /* Offset for data I/O */ | |
352 | #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) | |
353 | ||
354 | /* Offset for normal register accesses */ | |
355 | #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) | |
356 | ||
357 | /* Offset for alternate registers */ | |
358 | #define CFG_ATA_ALT_OFFSET 0x0100 | |
359 | ||
360 | /*----------------------------------------------------------------------- | |
361 | * | |
362 | *----------------------------------------------------------------------- | |
363 | * | |
364 | */ | |
365 | #define CFG_DER 0 | |
366 | ||
367 | /* | |
368 | * Init Memory Controller: | |
369 | * | |
370 | * BR0/1 and OR0/1 (FLASH) | |
371 | */ | |
372 | ||
373 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
374 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ | |
375 | ||
376 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
377 | * restrict access enough to keep SRAM working (if any) | |
378 | * but not too much to meddle with FLASH accesses | |
379 | */ | |
380 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
381 | #define CFG_PRELIM_OR_AM 0xFF800000 /* OR addr mask */ | |
382 | ||
383 | /* | |
384 | * FLASH timing: | |
385 | */ | |
386 | #define CFG_OR_TIMING_FLASH (0x00000d24) | |
387 | ||
388 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
389 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
390 | #define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
391 | ||
392 | #define CFG_BR1_PRELIM 0x00000081 /* Chip select for SDRAM (32 Bit, UPMA) */ | |
393 | #define CFG_OR1_PRELIM 0xfc000a00 | |
394 | #define CFG_BR2_PRELIM 0x80000001 /* Chip select for SRAM (32 Bit, GPCM) */ | |
395 | #define CFG_OR2_PRELIM 0xfff00d24 | |
396 | #define CFG_BR3_PRELIM 0x80600401 /* Chip select for Display (8 Bit, GPCM) */ | |
397 | #define CFG_OR3_PRELIM 0xffff8f44 | |
398 | #define CFG_BR4_PRELIM 0xc05108c1 /* Chip select for Interbus MPM (16 Bit, UPMB) */ | |
399 | #define CFG_OR4_PRELIM 0xffff0300 | |
400 | #define CFG_BR5_PRELIM 0xc0500401 /* Chip select for Interbus Status (8 Bit, GPCM) */ | |
401 | #define CFG_OR5_PRELIM 0xffff8db0 | |
402 | ||
403 | /* | |
404 | * Memory Periodic Timer Prescaler | |
405 | * | |
406 | * The Divider for PTA (refresh timer) configuration is based on an | |
407 | * example SDRAM configuration (64 MBit, one bank). The adjustment to | |
408 | * the number of chip selects (NCS) and the actually needed refresh | |
409 | * rate is done by setting MPTPR. | |
410 | * | |
411 | * PTA is calculated from | |
412 | * PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS) | |
413 | * | |
414 | * gclk CPU clock (not bus clock!) | |
415 | * Trefresh Refresh cycle * 4 (four word bursts used) | |
416 | * | |
417 | * 4096 Rows from SDRAM example configuration | |
418 | * 1000 factor s -> ms | |
419 | * 32 PTP (pre-divider from MPTPR) from SDRAM example configuration | |
420 | * 4 Number of refresh cycles per period | |
421 | * 64 Refresh cycle in ms per number of rows | |
422 | * -------------------------------------------- | |
423 | * Divider = 4096 * 32 * 1000 / (4 * 64) = 512000 | |
424 | * | |
425 | * 50 MHz => 50.000.000 / Divider = 98 | |
426 | * 66 Mhz => 66.000.000 / Divider = 129 | |
427 | * 80 Mhz => 80.000.000 / Divider = 156 | |
428 | * 100 Mhz => 100.000.000 / Divider = 195 | |
429 | */ | |
430 | ||
431 | #define CFG_PTA_PER_CLK ((4096 * 32 * 1000) / (4 * 64)) | |
432 | #define CFG_MAMR_PTA 98 | |
433 | ||
434 | /* | |
435 | * For 16 MBit, refresh rates could be 31.3 us | |
436 | * (= 64 ms / 2K = 125 / quad bursts). | |
437 | * For a simpler initialization, 15.6 us is used instead. | |
438 | * | |
439 | * #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks | |
440 | * #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank | |
441 | */ | |
442 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
443 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
444 | ||
445 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
446 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
447 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
448 | ||
449 | /* | |
450 | * MAMR settings for SDRAM | |
451 | */ | |
452 | ||
453 | /* 8 column SDRAM */ | |
454 | #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
455 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ | |
456 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
457 | /* 9 column SDRAM */ | |
458 | #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
459 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ | |
460 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
461 | ||
462 | #define CFG_MAMR_VAL 0x30904114 /* for SDRAM */ | |
463 | #define CFG_MBMR_VAL 0xff001111 /* for Interbus-MPM */ | |
464 | ||
465 | /*----------------------------------------------------------------------- | |
466 | * I2C stuff | |
467 | */ | |
468 | ||
469 | /* enable I2C and select the hardware/software driver */ | |
470 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ | |
471 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ | |
472 | ||
473 | #define CFG_I2C_SPEED 93000 /* 93 kHz is supposed to work */ | |
474 | #define CFG_I2C_SLAVE 0xFE | |
475 | ||
476 | #ifdef CONFIG_SOFT_I2C | |
477 | /* | |
478 | * Software (bit-bang) I2C driver configuration | |
479 | */ | |
480 | #define PB_SCL 0x00000020 /* PB 26 */ | |
481 | #define PB_SDA 0x00000010 /* PB 27 */ | |
482 | ||
483 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
484 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
485 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
486 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
487 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
488 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
489 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
490 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
491 | #define I2C_DELAY udelay(2) /* 1/4 I2C clock duration */ | |
492 | #endif /* CONFIG_SOFT_I2C */ | |
493 | ||
494 | /*----------------------------------------------------------------------- | |
495 | * I2C EEPROM (24C164) | |
496 | */ | |
497 | #define CFG_I2C_EEPROM_ADDR 0x58 /* EEPROM AT24C164 */ | |
498 | #define CFG_I2C_EEPROM_ADDR_LEN 1 | |
499 | #define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* takes up to 10 msec */ | |
500 | #define CFG_EEPROM_PAGE_WRITE_BITS 4 | |
501 | ||
502 | /* | |
503 | * Internal Definitions | |
504 | * | |
505 | * Boot Flags | |
506 | */ | |
507 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
508 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
509 | ||
510 | #define CONFIG_FEC_ENET 1 /* use FEC ethernet */ | |
511 | #define FEC_ENET | |
512 | #define CONFIG_MII | |
0f3ba7e9 | 513 | #define CONFIG_MII_INIT 1 |
f7d1572b WD |
514 | #define CFG_DISCOVER_PHY 1 |
515 | ||
516 | #endif /* __CONFIG_H */ |