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9e3f8cdf | 1 | /* |
414eec35 | 2 | * (C) Copyright 2001-2005 |
9e3f8cdf 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 | #include <mpc8xx_irq.h> | |
32 | ||
33 | /* | |
34 | * High Level Configuration Options | |
35 | * (easy to change) | |
36 | */ | |
37 | #define CONFIG_MPC860 1 | |
38 | #define CONFIG_MPC860T 1 | |
39 | #define CONFIG_ICU862 1 | |
40 | #define CONFIG_MPC862 1 | |
41 | ||
42 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ | |
43 | #undef CONFIG_8xx_CONS_SMC2 | |
44 | #undef CONFIG_8xx_CONS_NONE | |
45 | #define CONFIG_BAUDRATE 9600 | |
46 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
47 | ||
48 | #ifdef CONFIG_100MHz | |
49 | #define MPC8XX_FACT 24 /* Multiply by 24 */ | |
50 | #define MPC8XX_XIN 4165000 /* 4.165 MHz in */ | |
51 | #define CONFIG_8xx_GCLK_FREQ (MPC8XX_FACT * MPC8XX_XIN) | |
52 | /* define if cant' use get_gclk_freq */ | |
53 | #else | |
54 | #if 1 /* for 50MHz version of processor */ | |
55 | #define MPC8XX_FACT 12 /* Multiply by 12 */ | |
56 | #define MPC8XX_XIN 4000000 /* 4 MHz in */ | |
57 | #define CONFIG_8xx_GCLK_FREQ 48000000 /* define if cant use get_gclk_freq */ | |
58 | #else /* for 80MHz version of processor */ | |
59 | #define MPC8XX_FACT 20 /* Multiply by 20 */ | |
60 | #define MPC8XX_XIN 4000000 /* 4 MHz in */ | |
61 | #define CONFIG_8xx_GCLK_FREQ 80000000 /* define if cant use get_gclk_freq */ | |
62 | #endif | |
63 | #endif | |
64 | ||
9e3f8cdf WD |
65 | #if 0 |
66 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
67 | #else | |
68 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
69 | #endif | |
70 | ||
32bf3d14 | 71 | #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" |
9e3f8cdf WD |
72 | |
73 | #undef CONFIG_BOOTARGS | |
74 | #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
75 | "bootp;" \ |
76 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
77 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \ | |
9e3f8cdf WD |
78 | "bootm" |
79 | ||
80 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
81 | ||
82 | #define CONFIG_STATUS_LED 1 /* Status LED enabled */ | |
83 | ||
7be044e4 JL |
84 | /* |
85 | * BOOTP options | |
86 | */ | |
87 | #define CONFIG_BOOTP_SUBNETMASK | |
88 | #define CONFIG_BOOTP_GATEWAY | |
89 | #define CONFIG_BOOTP_HOSTNAME | |
90 | #define CONFIG_BOOTP_BOOTPATH | |
91 | #define CONFIG_BOOTP_BOOTFILESIZE | |
92 | ||
9e3f8cdf WD |
93 | |
94 | #undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */ | |
95 | #define CONFIG_FEC_ENET 1 /* use FEC ethernet */ | |
63ff004c | 96 | #define CONFIG_MII 1 |
9e3f8cdf WD |
97 | #if 1 |
98 | #define CFG_DISCOVER_PHY 1 | |
99 | #else | |
100 | #undef CFG_DISCOVER_PHY | |
101 | #endif | |
102 | ||
103 | #define CONFIG_MAC_PARTITION | |
104 | #define CONFIG_DOS_PARTITION | |
105 | ||
106 | /* enable I2C and select the hardware/software driver */ | |
107 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ | |
108 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ | |
109 | # define CFG_I2C_SPEED 50000 | |
110 | # define CFG_I2C_SLAVE 0xFE | |
111 | # define CFG_I2C_EEPROM_ADDR 0x50 | |
112 | # define CFG_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */ | |
113 | /* | |
114 | * Software (bit-bang) I2C driver configuration | |
115 | */ | |
116 | #define PB_SCL 0x00000020 /* PB 26 */ | |
117 | #define PB_SDA 0x00000010 /* PB 27 */ | |
118 | ||
119 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
120 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
121 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
122 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
123 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
124 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
125 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
126 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
127 | #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ | |
128 | ||
129 | #define CFG_EEPROM_X40430 /* Use a Xicor X40430 EEPROM */ | |
130 | #define CFG_EEPROM_PAGE_WRITE_BITS 4 /* 16 bytes page write mode */ | |
131 | ||
132 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
133 | ||
348f258f JL |
134 | |
135 | /* | |
136 | * Command line configuration. | |
137 | */ | |
138 | #include <config_cmd_default.h> | |
139 | ||
140 | #define CONFIG_CMD_ASKENV | |
141 | #define CONFIG_CMD_DATE | |
142 | #define CONFIG_CMD_DHCP | |
143 | #define CONFIG_CMD_EEPROM | |
144 | #define CONFIG_CMD_I2C | |
145 | #define CONFIG_CMD_IDE | |
146 | #define CONFIG_CMD_NFS | |
147 | #define CONFIG_CMD_SNTP | |
148 | ||
9e3f8cdf WD |
149 | |
150 | /* | |
151 | * Miscellaneous configurable options | |
152 | */ | |
153 | #define CFG_LONGHELP /* undef to save memory */ | |
154 | #define CFG_PROMPT "=> " /* Monitor Command Prompt */ | |
348f258f | 155 | #if defined(CONFIG_CMD_KGDB) |
9e3f8cdf WD |
156 | #define CFG_CBSIZE 1024 /* Console I/O Buffer Size */ |
157 | #else | |
158 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
159 | #endif | |
160 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
161 | #define CFG_MAXARGS 16 /* max number of command args */ | |
162 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
163 | ||
164 | #define CFG_MEMTEST_START 0x0100000 /* memtest works on */ | |
165 | #define CFG_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */ | |
166 | ||
53677ef1 | 167 | #define CFG_LOAD_ADDR 0x00100000 |
9e3f8cdf WD |
168 | |
169 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
170 | ||
171 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
172 | ||
173 | /* | |
174 | * Low Level Configuration Settings | |
175 | * (address mappings, register initial values, etc.) | |
176 | * You should know what you are doing if you make changes here. | |
177 | */ | |
178 | /*----------------------------------------------------------------------- | |
179 | * Internal Memory Mapped Register | |
180 | */ | |
181 | #define CFG_IMMR 0xF0000000 | |
182 | #define CFG_IMMR_SIZE ((uint)(64 * 1024)) | |
183 | ||
184 | /*----------------------------------------------------------------------- | |
185 | * Definitions for initial stack pointer and data area (in DPRAM) | |
186 | */ | |
187 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
188 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
189 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
190 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
191 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
192 | ||
193 | /*----------------------------------------------------------------------- | |
194 | * Start addresses for the final memory configuration | |
195 | * (Set up by the startup code) | |
196 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
197 | */ | |
198 | #define CFG_SDRAM_BASE 0x00000000 | |
199 | #define CFG_FLASH_BASE 0x40000000 | |
200 | #define CFG_FLASH_SIZE ((uint)(16 * 1024 * 1024)) /* max 16Mbyte */ | |
201 | ||
202 | #define CFG_RESET_ADDRESS 0xFFF00100 | |
203 | ||
204 | #if 0 | |
205 | #if defined(DEBUG) | |
206 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
207 | #else | |
208 | #define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ | |
209 | #endif | |
210 | #else | |
d94f92cb | 211 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
9e3f8cdf WD |
212 | #endif |
213 | #define CFG_MONITOR_BASE TEXT_BASE | |
214 | #define CFG_MALLOC_LEN (256 << 10) /* Reserve 256 kB for malloc() */ | |
215 | ||
216 | /* | |
217 | * For booting Linux, the board info and command line data | |
218 | * have to be in the first 8 MB of memory, since this is | |
219 | * the maximum mapped by the Linux kernel during initialization. | |
220 | */ | |
221 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
222 | /*----------------------------------------------------------------------- | |
223 | * FLASH organization | |
224 | */ | |
225 | #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ | |
226 | #define CFG_MAX_FLASH_SECT 64 /* max number of sectors on one chip */ | |
227 | ||
228 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
229 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
230 | ||
231 | ||
5a1aceb0 | 232 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 | 233 | #define CONFIG_ENV_OFFSET 0x00F40000 |
9e3f8cdf | 234 | |
0e8d1586 JCPV |
235 | #define CONFIG_ENV_SECT_SIZE 0x40000 /* Total Size of Environment sector */ |
236 | #define CONFIG_ENV_SIZE 0x4000 /* Used Size of Environment Sector */ | |
67c31036 | 237 | #define CFG_USE_PPCENV /* Environment embedded in sect .ppcenv */ |
9e3f8cdf WD |
238 | |
239 | /*----------------------------------------------------------------------- | |
240 | * Cache Configuration | |
241 | */ | |
242 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
348f258f | 243 | #if defined(CONFIG_CMD_KGDB) |
9e3f8cdf WD |
244 | #define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
245 | #endif | |
246 | ||
247 | /*----------------------------------------------------------------------- | |
248 | * SYPCR - System Protection Control 11-9 | |
249 | * SYPCR can only be written once after reset! | |
250 | *----------------------------------------------------------------------- | |
251 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
252 | */ | |
253 | #if defined(CONFIG_WATCHDOG) | |
254 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ | |
255 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) | |
256 | #else | |
257 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
258 | #endif | |
259 | ||
260 | /*----------------------------------------------------------------------- | |
261 | * SIUMCR - SIU Module Configuration 11-6 | |
262 | *----------------------------------------------------------------------- | |
263 | * PCMCIA config., multi-function pin tri-state | |
264 | */ | |
265 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) | |
266 | ||
267 | /*----------------------------------------------------------------------- | |
268 | * TBSCR - Time Base Status and Control 11-26 | |
269 | *----------------------------------------------------------------------- | |
270 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
271 | */ | |
272 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE) | |
273 | ||
274 | /*----------------------------------------------------------------------- | |
275 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
276 | *----------------------------------------------------------------------- | |
277 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
278 | */ | |
279 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
280 | ||
281 | /*----------------------------------------------------------------------- | |
282 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
283 | *----------------------------------------------------------------------- | |
284 | * set the PLL, the low-power modes and the reset control (15-29) | |
285 | */ | |
286 | #define CFG_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ | |
287 | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
288 | ||
289 | /*----------------------------------------------------------------------- | |
290 | * SCCR - System Clock and reset Control Register 15-27 | |
291 | *----------------------------------------------------------------------- | |
292 | * Set clock output, timebase and RTC source and divider, | |
293 | * power management and some other internal clocks | |
294 | */ | |
295 | #ifdef CONFIG_100MHz /* for 100 MHz, external bus is half CPU clock */ | |
296 | #define SCCR_MASK 0 | |
297 | #define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ | |
298 | SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ | |
299 | SCCR_DFLCD000 |SCCR_DFALCD00 | SCCR_EBDF01) | |
300 | #else /* up to 50 MHz we use a 1:1 clock */ | |
301 | #define SCCR_MASK SCCR_EBDF11 | |
302 | #define CFG_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ | |
303 | SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ | |
304 | SCCR_DFLCD000 |SCCR_DFALCD00 ) | |
305 | #endif /* CONFIG_100MHz */ | |
306 | ||
307 | /*----------------------------------------------------------------------- | |
308 | * RCCR - RISC Controller Configuration Register 19-4 | |
309 | *----------------------------------------------------------------------- | |
310 | */ | |
311 | /* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */ | |
312 | #define CFG_RCCR 0x0020 | |
313 | ||
314 | /*----------------------------------------------------------------------- | |
315 | * PCMCIA stuff | |
316 | *----------------------------------------------------------------------- | |
317 | */ | |
318 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
319 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
320 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
321 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
322 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
323 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
324 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
325 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
326 | ||
327 | /*----------------------------------------------------------------------- | |
328 | * PCMCIA Power Switch | |
329 | * | |
330 | * The ICU862 uses a TPS2205 PC-Card Power-Interface Switch to | |
331 | * control the voltages on the PCMCIA slot which is connected to Port B | |
332 | *----------------------------------------------------------------------- | |
333 | */ | |
334 | /* Output pins */ | |
335 | #define TPS2205_VCC5 0x00008000 /* PB.16: 5V Voltage Control */ | |
336 | #define TPS2205_VCC3 0x00004000 /* PB.17: 3V Voltage Control */ | |
337 | #define TPS2205_VPP_PGM 0x00002000 /* PB.18: PGM Voltage Control */ | |
338 | #define TPS2205_VPP_VCC 0x00001000 /* PB.19: VPP Voltage Control */ | |
339 | #define TPS2205_SHDN 0x00000200 /* PB.22: Shutdown */ | |
340 | #define TPS2205_OUTPUTS ( TPS2205_VCC5 | TPS2205_VCC3 | \ | |
341 | TPS2205_VPP_PGM | TPS2205_VPP_VCC | \ | |
342 | TPS2205_SHDN) | |
343 | ||
344 | /* Input pins */ | |
345 | #define TPS2205_OC 0x00000100 /* PB.23: Over-Current */ | |
346 | #define TPS2205_INPUTS ( TPS2205_OC ) | |
347 | ||
348 | /*----------------------------------------------------------------------- | |
349 | * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter) | |
350 | *----------------------------------------------------------------------- | |
351 | */ | |
352 | ||
353 | #define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */ | |
354 | ||
355 | #undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ | |
356 | #undef CONFIG_IDE_LED /* LED for ide not supported */ | |
357 | #undef CONFIG_IDE_RESET /* reset for ide not supported */ | |
358 | ||
359 | #define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */ | |
360 | #define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */ | |
361 | ||
362 | #define CFG_ATA_IDE0_OFFSET 0x0000 | |
363 | ||
364 | #define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR | |
365 | ||
366 | /* Offset for data I/O */ | |
367 | #define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320) | |
368 | ||
369 | /* Offset for normal register accesses */ | |
370 | #define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320) | |
371 | ||
372 | /* Offset for alternate registers */ | |
373 | #define CFG_ATA_ALT_OFFSET 0x0100 | |
374 | ||
375 | ||
376 | /*----------------------------------------------------------------------- | |
377 | * | |
378 | *----------------------------------------------------------------------- | |
379 | * | |
380 | */ | |
381 | #define CFG_DER 0 | |
382 | ||
383 | /* Because of the way the 860 starts up and assigns CS0 the | |
384 | * entire address space, we have to set the memory controller | |
385 | * differently. Normally, you write the option register | |
386 | * first, and then enable the chip select by writing the | |
387 | * base register. For CS0, you must write the base register | |
388 | * first, followed by the option register. | |
389 | */ | |
390 | ||
391 | /* | |
392 | * Init Memory Controller: | |
393 | * | |
394 | * BR0 and OR0 (FLASH) | |
395 | */ | |
396 | ||
397 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
398 | #define FLASH_BASE1_PRELIM 0x0 /* FLASH bank #1 */ | |
399 | ||
400 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
401 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
402 | ||
403 | /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0 */ | |
404 | #define CFG_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | OR_SCY_3_CLK | OR_TRLX) | |
405 | ||
406 | #define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH) | |
407 | ||
408 | #define CFG_OR0_PRELIM 0xFF000954 /* Real values for the board */ | |
409 | #define CFG_BR0_PRELIM 0x40000001 /* Real values for the board */ | |
410 | ||
411 | /* | |
412 | * BR1 and OR1 (SDRAM) | |
413 | */ | |
414 | #define SDRAM_BASE1_PRELIM 0x00000000 /* SDRAM bank */ | |
415 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
416 | ||
417 | #define CFG_OR_TIMING_SDRAM 0x00000800 /* BIH is not set */ | |
418 | ||
419 | #define CFG_OR1_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_SDRAM) | |
420 | #define CFG_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) | |
421 | ||
422 | /* | |
423 | * Memory Periodic Timer Prescaler | |
424 | */ | |
425 | ||
426 | /* periodic timer for refresh */ | |
427 | #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ | |
428 | ||
429 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
430 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
431 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
432 | ||
433 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
434 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
435 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
436 | ||
437 | /* | |
438 | * MAMR settings for SDRAM | |
439 | */ | |
440 | ||
441 | /* 8 column SDRAM */ | |
442 | #define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
443 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ | |
444 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
445 | /* 9 column SDRAM */ | |
446 | #define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ | |
447 | MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \ | |
448 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X) | |
449 | ||
450 | #define CFG_MAMR 0x13a01114 | |
451 | /* | |
452 | * Internal Definitions | |
453 | * | |
454 | * Boot Flags | |
455 | */ | |
456 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
457 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
458 | ||
459 | #ifdef CONFIG_MPC860T | |
460 | ||
461 | /* Interrupt level assignments. | |
462 | */ | |
463 | #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ | |
464 | ||
465 | #endif /* CONFIG_MPC860T */ | |
466 | ||
467 | ||
468 | #endif /* __CONFIG_H */ |