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0f8c9768 WD |
1 | /* |
2 | * (C) Copyright 2001, 2002 | |
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 | # ifdef DEBUG | |
35 | # warning DEBUG Defined | |
36 | # endif /* DEBUG */ | |
37 | ||
38 | /* | |
39 | * High Level Configuration Options | |
40 | * (easy to change) | |
41 | */ | |
42 | #define CONFIG_MPC860 1 | |
43 | #define CONFIG_IAD210 1 /* ...on a IAD210 module */ | |
44 | #define CONFIG_MPC860T 1 | |
45 | #define CONFIG_MPC862 1 | |
46 | ||
47 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
48 | ||
49 | #undef CONFIG_8xx_CONS_SMC1 | |
50 | #undef CONFIG_8xx_CONS_SMC2 | |
51 | #define CONFIG_8xx_CONS_SCC2 /* V24 on SCC2 */ | |
52 | #undef CONFIG_8xx_CONS_NONE | |
53 | #define CONFIG_BAUDRATE 9600 | |
54 | ||
55 | ||
56 | # define MPC8XX_FACT 16 | |
57 | # define CONFIG_8xx_GCLK_FREQ (64000000L) /* define if can't use get_gclk_freq */ | |
58 | # define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
59 | ||
60 | #if 0 | |
61 | # define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
62 | #else | |
63 | # define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
64 | #endif | |
65 | ||
32bf3d14 | 66 | #define CONFIG_PREBOOT "echo;echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;echo" |
0f8c9768 WD |
67 | |
68 | /* using this define saves us updating another source file */ | |
c837dcb1 | 69 | #define CONFIG_BOARD_EARLY_INIT_F 1 |
d8d21e69 | 70 | #define CONFIG_MISC_INIT_R |
0f8c9768 WD |
71 | |
72 | #undef CONFIG_BOOTARGS | |
73 | /* #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
74 | "bootp;" \ |
75 | "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \ | |
76 | "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;" \ | |
77 | "bootm" | |
0f8c9768 WD |
78 | */ |
79 | ||
80 | #define CONFIG_BOOTCOMMAND \ | |
53677ef1 WD |
81 | "setenv bootargs root=/dev/nfs" \ |
82 | "ip=192.168.28.129:139.10.137.138:192.168.28.1:255.255.255.0:iadlinux002::off; " \ | |
0f8c9768 WD |
83 | |
84 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
85 | ||
86 | /* #define CONFIG_STATUS_LED 1*/ /* Status LED enabled */ | |
87 | ||
7be044e4 JL |
88 | /* |
89 | * BOOTP options | |
90 | */ | |
91 | #define CONFIG_BOOTP_SUBNETMASK | |
92 | #define CONFIG_BOOTP_GATEWAY | |
93 | #define CONFIG_BOOTP_HOSTNAME | |
94 | #define CONFIG_BOOTP_BOOTPATH | |
95 | #define CONFIG_BOOTP_BOOTFILESIZE | |
96 | ||
0f8c9768 WD |
97 | |
98 | # undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */ | |
99 | # define CONFIG_FEC_ENET 1 /* use FEC ethernet */ | |
63ff004c | 100 | # define CONFIG_MII 1 |
6d0f6bcf | 101 | # define CONFIG_SYS_DISCOVER_PHY 1 |
0f8c9768 WD |
102 | # define CONFIG_FEC_UTOPIA 1 |
103 | # define CONFIG_ETHADDR 08:00:06:26:A2:6D | |
104 | # define CONFIG_IPADDR 192.168.28.128 | |
105 | # define CONFIG_SERVERIP 139.10.137.138 | |
6d0f6bcf | 106 | # define CONFIG_SYS_DISCOVER_PHY 1 |
0f8c9768 WD |
107 | |
108 | #define CONFIG_MAC_PARTITION | |
109 | #define CONFIG_DOS_PARTITION | |
110 | ||
111 | /* enable I2C and select the hardware/software driver */ | |
112 | #undef CONFIG_HARD_I2C /* I2C with hardware support */ | |
113 | #define CONFIG_SOFT_I2C 1 /* I2C bit-banged */ | |
6d0f6bcf JCPV |
114 | # define CONFIG_SYS_I2C_SPEED 50000 |
115 | # define CONFIG_SYS_I2C_SLAVE 0xDD | |
116 | # define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 | |
0f8c9768 WD |
117 | /* |
118 | * Software (bit-bang) I2C driver configuration | |
119 | */ | |
120 | #define PB_SCL 0x00000020 /* PB 26 */ | |
121 | #define PB_SDA 0x00000010 /* PB 27 */ | |
122 | ||
123 | #define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL) | |
124 | #define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA) | |
125 | #define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA) | |
126 | #define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0) | |
127 | #define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \ | |
128 | else immr->im_cpm.cp_pbdat &= ~PB_SDA | |
129 | #define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \ | |
130 | else immr->im_cpm.cp_pbdat &= ~PB_SCL | |
131 | #define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */ | |
132 | ||
133 | #define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */ | |
134 | ||
0f8c9768 | 135 | |
348f258f JL |
136 | /* |
137 | * Command line configuration. | |
138 | */ | |
139 | #include <config_cmd_default.h> | |
140 | ||
141 | #define CONFIG_CMD_ASKENV | |
142 | #define CONFIG_CMD_DHCP | |
143 | #define CONFIG_CMD_DATE | |
144 | ||
0f8c9768 WD |
145 | |
146 | /* | |
147 | * Miscellaneous configurable options | |
148 | */ | |
6d0f6bcf JCPV |
149 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
150 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
348f258f | 151 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 152 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
0f8c9768 | 153 | #else |
6d0f6bcf | 154 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
0f8c9768 | 155 | #endif |
6d0f6bcf JCPV |
156 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
157 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
158 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
0f8c9768 | 159 | |
6d0f6bcf JCPV |
160 | #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */ |
161 | #define CONFIG_SYS_MEMTEST_END 0x0400000 /* 1 ... 4 MB in DRAM */ | |
0f8c9768 | 162 | |
6d0f6bcf | 163 | #define CONFIG_SYS_LOAD_ADDR 0x00100000 |
0f8c9768 | 164 | |
6d0f6bcf | 165 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
0f8c9768 | 166 | |
6d0f6bcf | 167 | #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
0f8c9768 WD |
168 | |
169 | /* | |
170 | * Low Level Configuration Settings | |
171 | * (address mappings, register initial values, etc.) | |
172 | * You should know what you are doing if you make changes here. | |
173 | */ | |
174 | /*----------------------------------------------------------------------- | |
175 | * Internal Memory Mapped Register | |
176 | */ | |
6d0f6bcf JCPV |
177 | #define CONFIG_SYS_IMMR 0xFFF00000 |
178 | #define CONFIG_SYS_IMMR_SIZE ((uint)(64 * 1024)) | |
0f8c9768 WD |
179 | |
180 | /*----------------------------------------------------------------------- | |
181 | * Definitions for initial stack pointer and data area (in DPRAM) | |
182 | */ | |
6d0f6bcf JCPV |
183 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
184 | #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
185 | #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
186 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) | |
187 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET | |
0f8c9768 WD |
188 | |
189 | /*----------------------------------------------------------------------- | |
190 | * Start addresses for the final memory configuration | |
191 | * (Set up by the startup code) | |
6d0f6bcf | 192 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
0f8c9768 | 193 | */ |
6d0f6bcf JCPV |
194 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
195 | #define CONFIG_SYS_FLASH_BASE 0x08000000 | |
196 | #define CONFIG_SYS_FLASH_SIZE ((uint)(4 * 1024 * 1024)) /* max 16Mbyte */ | |
0f8c9768 | 197 | |
6d0f6bcf | 198 | #define CONFIG_SYS_RESET_ADDRESS 0xFFF00100 |
0f8c9768 WD |
199 | |
200 | #if defined(DEBUG) | |
6d0f6bcf | 201 | # define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
0f8c9768 | 202 | #else |
6d0f6bcf | 203 | # define CONFIG_SYS_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */ |
0f8c9768 WD |
204 | #endif |
205 | ||
6d0f6bcf JCPV |
206 | # define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE |
207 | # define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
0f8c9768 WD |
208 | |
209 | /* | |
210 | * For booting Linux, the board info and command line data | |
211 | * have to be in the first 8 MB of memory, since this is | |
212 | * the maximum mapped by the Linux kernel during initialization. | |
213 | */ | |
6d0f6bcf | 214 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
0f8c9768 WD |
215 | /*----------------------------------------------------------------------- |
216 | * FLASH organization | |
217 | */ | |
6d0f6bcf JCPV |
218 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
219 | #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max number of sectors on one chip */ | |
0f8c9768 | 220 | |
6d0f6bcf JCPV |
221 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ |
222 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
0f8c9768 | 223 | |
5a1aceb0 | 224 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0e8d1586 JCPV |
225 | #define CONFIG_ENV_OFFSET 0x8000 |
226 | #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ | |
0f8c9768 WD |
227 | |
228 | /*----------------------------------------------------------------------- | |
229 | * Cache Configuration | |
230 | */ | |
6d0f6bcf | 231 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
348f258f | 232 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 233 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
0f8c9768 WD |
234 | #endif |
235 | ||
236 | /*----------------------------------------------------------------------- | |
237 | * SYPCR - System Protection Control 11-9 | |
238 | * SYPCR can only be written once after reset! | |
239 | *----------------------------------------------------------------------- | |
240 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
241 | */ | |
242 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 243 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \ |
0f8c9768 WD |
244 | SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP) |
245 | #else | |
6d0f6bcf | 246 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) |
0f8c9768 WD |
247 | #endif |
248 | ||
249 | /*----------------------------------------------------------------------- | |
250 | * SIUMCR - SIU Module Configuration 11-6 | |
251 | *----------------------------------------------------------------------- | |
252 | * PCMCIA config., multi-function pin tri-state | |
253 | */ | |
6d0f6bcf | 254 | #define CONFIG_SYS_SIUMCR (SIUMCR_DBGC11 | SIUMCR_DBPC00 | SIUMCR_MLRC01) |
0f8c9768 WD |
255 | |
256 | /*----------------------------------------------------------------------- | |
257 | * TBSCR - Time Base Status and Control 11-26 | |
258 | *----------------------------------------------------------------------- | |
259 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
260 | */ | |
6d0f6bcf | 261 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
0f8c9768 WD |
262 | |
263 | /*----------------------------------------------------------------------- | |
264 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
265 | *----------------------------------------------------------------------- | |
266 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
267 | */ | |
6d0f6bcf | 268 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
0f8c9768 WD |
269 | |
270 | /*----------------------------------------------------------------------- | |
271 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
272 | *----------------------------------------------------------------------- | |
273 | * set the PLL, the low-power modes and the reset control (15-29) | |
274 | */ | |
6d0f6bcf | 275 | #define CONFIG_SYS_PLPRCR (((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) | \ |
0f8c9768 WD |
276 | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
277 | ||
278 | /*----------------------------------------------------------------------- | |
279 | * SCCR - System Clock and reset Control Register 15-27 | |
280 | *----------------------------------------------------------------------- | |
281 | * Set clock output, timebase and RTC source and divider, | |
282 | * power management and some other internal clocks | |
283 | */ | |
284 | #define SCCR_MASK SCCR_EBDF11 | |
285 | ||
6d0f6bcf | 286 | #define CONFIG_SYS_SCCR (SCCR_TBS | SCCR_COM00 | SCCR_DFSYNC00 | \ |
0f8c9768 WD |
287 | SCCR_DFBRG00 | SCCR_DFNL000 | SCCR_DFNH000 | \ |
288 | SCCR_DFLCD000 |SCCR_DFALCD00 ) | |
289 | ||
290 | /*----------------------------------------------------------------------- | |
291 | * RCCR - RISC Controller Configuration Register 19-4 | |
292 | *----------------------------------------------------------------------- | |
293 | */ | |
294 | /* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */ | |
6d0f6bcf | 295 | #define CONFIG_SYS_RCCR 0x0020 |
0f8c9768 WD |
296 | |
297 | /*----------------------------------------------------------------------- | |
298 | * PCMCIA stuff | |
299 | *----------------------------------------------------------------------- | |
300 | */ | |
301 | #define PCMCIA_MEM_ADDR ((uint)0xff020000) | |
302 | #define PCMCIA_MEM_SIZE ((uint)(64 * 1024)) | |
303 | ||
304 | /*----------------------------------------------------------------------- | |
305 | * | |
306 | *----------------------------------------------------------------------- | |
307 | * | |
308 | */ | |
6d0f6bcf | 309 | #define CONFIG_SYS_DER 0 |
0f8c9768 WD |
310 | |
311 | /* Because of the way the 860 starts up and assigns CS0 the | |
312 | * entire address space, we have to set the memory controller | |
313 | * differently. Normally, you write the option register | |
314 | * first, and then enable the chip select by writing the | |
315 | * base register. For CS0, you must write the base register | |
316 | * first, followed by the option register. | |
317 | */ | |
318 | ||
319 | /* | |
320 | * Init Memory Controller: | |
321 | * | |
322 | * BR0 and OR0 (FLASH) | |
323 | */ | |
324 | ||
6d0f6bcf | 325 | #define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */ |
0f8c9768 WD |
326 | |
327 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
328 | * restrict access enough to keep SRAM working (if any) | |
329 | * but not too much to meddle with FLASH accesses | |
330 | */ | |
6d0f6bcf JCPV |
331 | #define CONFIG_SYS_REMAP_OR_AM 0xF8000000 /* OR addr mask */ |
332 | #define CONFIG_SYS_PRELIM_OR_AM 0xF8000000 /* OR addr mask */ | |
0f8c9768 WD |
333 | |
334 | /* FLASH timing: | |
335 | TRLX = 0, CSNT = 1, SCY = 3, EHTR = 1 */ | |
6d0f6bcf | 336 | #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_BI | \ |
0f8c9768 WD |
337 | OR_SCY_3_CLK | OR_EHTR) |
338 | ||
6d0f6bcf JCPV |
339 | #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_PRELIM_OR_AM | CONFIG_SYS_OR_TIMING_FLASH) |
340 | #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_V ) | |
0f8c9768 WD |
341 | |
342 | /* | |
343 | * BR2/3 and OR2/3 (SDRAM) | |
344 | * | |
345 | */ | |
346 | #define SDRAM_BASE_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
347 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
348 | ||
349 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
350 | ||
6d0f6bcf JCPV |
351 | #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_PRELIM_OR_AM | OR_CSNT_SAM | OR_BI | OR_ACS_DIV4) |
352 | #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
353 | #define CONFIG_SYS_BR1_PRELIM ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V) | |
0f8c9768 WD |
354 | |
355 | /* | |
356 | * Memory Periodic Timer Prescaler | |
357 | */ | |
358 | ||
359 | /* periodic timer for refresh */ | |
6d0f6bcf | 360 | #define CONFIG_SYS_MAMR_PTA 124 /* start with divider for 64 MHz */ |
0f8c9768 WD |
361 | |
362 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
6d0f6bcf | 363 | #define CONFIG_SYS_MPTPR MPTPR_PTP_DIV32 /* setting for 1 bank */ |
0f8c9768 WD |
364 | |
365 | /* | |
366 | * MAMR settings for SDRAM | |
367 | */ | |
368 | ||
6d0f6bcf | 369 | #define CONFIG_SYS_MAMR ((CONFIG_SYS_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \ |
2535d602 | 370 | MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \ |
0f8c9768 WD |
371 | MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_8X) |
372 | ||
373 | ||
374 | /* | |
375 | * Internal Definitions | |
376 | * | |
377 | * Boot Flags | |
378 | */ | |
379 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
380 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
381 | ||
382 | #ifdef CONFIG_MPC860T | |
383 | ||
384 | /* Interrupt level assignments. | |
385 | */ | |
386 | #define FEC_INTERRUPT SIU_LEVEL1 /* FEC interrupt */ | |
387 | ||
388 | #endif /* CONFIG_MPC860T */ | |
389 | ||
390 | ||
391 | #endif /* __CONFIG_H */ |