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0f8c9768 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Murray Jensen <Murray.Jensen@cmst.csiro.au> | |
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 | * Config header file for Cogent platform using an MPC8xx CPU module | |
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_MPC8260 1 /* This is an MPC8260 CPU */ | |
37 | #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */ | |
9c4c5ae3 | 38 | #define CONFIG_CPM2 1 /* Has a CPM2 */ |
0f8c9768 | 39 | |
2ae18241 WD |
40 | #define CONFIG_SYS_TEXT_BASE 0xfff00000 |
41 | ||
c837dcb1 | 42 | #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */ |
3a8f28d0 | 43 | #define CONFIG_MISC_INIT_R /* Use misc_init_r() */ |
c837dcb1 | 44 | |
0f8c9768 WD |
45 | /* Cogent Modular Architecture options */ |
46 | #define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */ | |
47 | #define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */ | |
48 | ||
49 | /* | |
50 | * select serial console configuration | |
51 | * | |
52 | * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then | |
53 | * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 | |
54 | * for SCC). | |
55 | * | |
56 | * if CONFIG_CONS_NONE is defined, then the serial console routines must | |
57 | * defined elsewhere (for example, on the cogent platform, there are serial | |
58 | * ports on the motherboard which are used for the serial console - see | |
59 | * cogent/cma101/serial.[ch]). | |
60 | */ | |
61 | #define CONFIG_CONS_ON_SMC /* define if console on SMC */ | |
62 | #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ | |
63 | #undef CONFIG_CONS_NONE /* define if console on something else*/ | |
64 | #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ | |
65 | #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ | |
66 | #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */ | |
67 | #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ | |
68 | ||
69 | /* | |
70 | * select ethernet configuration | |
71 | * | |
72 | * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then | |
73 | * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 | |
74 | * for FCC) | |
75 | * | |
76 | * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be | |
639221c7 | 77 | * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset. |
0f8c9768 WD |
78 | */ |
79 | #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ | |
80 | #undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */ | |
81 | #define CONFIG_ETHER_NONE /* define if ether on something else */ | |
82 | #define CONFIG_ETHER_INDEX 1 /* which channel for ether */ | |
83 | ||
84 | /* system clock rate (CLKIN) - equal to the 60x and local bus speed */ | |
85 | #define CONFIG_8260_CLKIN 66666666 /* in Hz */ | |
86 | ||
87 | #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC) | |
88 | #define CONFIG_BAUDRATE 230400 | |
89 | #else | |
90 | #define CONFIG_BAUDRATE 9600 | |
91 | #endif | |
92 | ||
0f8c9768 | 93 | |
80ff4f99 JL |
94 | /* |
95 | * BOOTP options | |
96 | */ | |
97 | #define CONFIG_BOOTP_BOOTFILESIZE | |
98 | #define CONFIG_BOOTP_BOOTPATH | |
99 | #define CONFIG_BOOTP_GATEWAY | |
100 | #define CONFIG_BOOTP_HOSTNAME | |
101 | ||
102 | ||
37e4f24b JL |
103 | /* |
104 | * Command line configuration. | |
105 | */ | |
106 | #include <config_cmd_default.h> | |
107 | ||
108 | #define CONFIG_CMD_KGDB | |
109 | ||
110 | #undef CONFIG_CMD_NET | |
ba273f06 | 111 | #undef CONFIG_CMD_NFS |
0f8c9768 WD |
112 | |
113 | #ifdef DEBUG | |
114 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
115 | #else | |
116 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
117 | #endif | |
118 | #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/ | |
119 | ||
120 | #define CONFIG_BOOTARGS "root=/dev/ram rw" | |
121 | ||
37e4f24b | 122 | #if defined(CONFIG_CMD_KGDB) |
0f8c9768 WD |
123 | #define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ |
124 | #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ | |
125 | #undef CONFIG_KGDB_NONE /* define if kgdb on something else */ | |
126 | #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ | |
127 | #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ | |
128 | #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */ | |
129 | #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ | |
130 | # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC) | |
131 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */ | |
132 | # else | |
133 | #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */ | |
134 | # endif | |
135 | #endif | |
136 | ||
137 | #undef CONFIG_WATCHDOG /* disable platform specific watchdog */ | |
138 | ||
139 | /* | |
140 | * Miscellaneous configurable options | |
141 | */ | |
6d0f6bcf JCPV |
142 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
143 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
37e4f24b | 144 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 145 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
0f8c9768 | 146 | #else |
6d0f6bcf | 147 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
0f8c9768 | 148 | #endif |
6d0f6bcf JCPV |
149 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
150 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
151 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
0f8c9768 | 152 | |
6d0f6bcf JCPV |
153 | #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */ |
154 | #define CONFIG_SYS_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */ | |
0f8c9768 | 155 | |
6d0f6bcf | 156 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
0f8c9768 | 157 | |
6d0f6bcf | 158 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
0f8c9768 | 159 | |
6d0f6bcf | 160 | #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } |
0f8c9768 WD |
161 | |
162 | /* | |
163 | * Low Level Configuration Settings | |
164 | * (address mappings, register initial values, etc.) | |
165 | * You should know what you are doing if you make changes here. | |
166 | */ | |
167 | ||
168 | /*----------------------------------------------------------------------- | |
169 | * Low Level Cogent settings | |
6d0f6bcf | 170 | * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not. |
0f8c9768 WD |
171 | * also, make sure CONFIG_CONS_INDEX is still defined - the index will be |
172 | * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B | |
173 | * (second 2 for CMA120 only) | |
174 | */ | |
6d0f6bcf | 175 | #define CONFIG_SYS_CMA_MB_BASE 0x00000000 /* base of m/b address space */ |
0f8c9768 WD |
176 | |
177 | #include <configs/cogent_common.h> | |
178 | ||
179 | #ifdef CONFIG_CONS_NONE | |
6d0f6bcf | 180 | #define CONFIG_SYS_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */ |
0f8c9768 | 181 | #endif |
6d0f6bcf | 182 | #define CONFIG_SYS_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */ |
a8c7c708 | 183 | #define CONFIG_SHOW_ACTIVITY |
0f8c9768 WD |
184 | |
185 | #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH) | |
186 | /* | |
187 | * flash exists on the motherboard | |
188 | * set these four according to TOP dipsw: | |
189 | * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low ) | |
190 | * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high) | |
191 | */ | |
192 | #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE | |
193 | #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE | |
194 | #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE | |
195 | #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE | |
196 | #endif | |
197 | #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE | |
198 | #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE | |
199 | ||
200 | /*----------------------------------------------------------------------- | |
201 | * Hard Reset Configuration Words | |
202 | * | |
6d0f6bcf | 203 | * if you change bits in the HRCW, you must also change the CONFIG_SYS_* |
0f8c9768 | 204 | * defines for the various registers affected by the HRCW e.g. changing |
6d0f6bcf | 205 | * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR. |
0f8c9768 | 206 | */ |
6d0f6bcf | 207 | #define CONFIG_SYS_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\ |
0f8c9768 WD |
208 | HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101) |
209 | /* no slaves so just duplicate the master hrcw */ | |
6d0f6bcf JCPV |
210 | #define CONFIG_SYS_HRCW_SLAVE1 CONFIG_SYS_HRCW_MASTER |
211 | #define CONFIG_SYS_HRCW_SLAVE2 CONFIG_SYS_HRCW_MASTER | |
212 | #define CONFIG_SYS_HRCW_SLAVE3 CONFIG_SYS_HRCW_MASTER | |
213 | #define CONFIG_SYS_HRCW_SLAVE4 CONFIG_SYS_HRCW_MASTER | |
214 | #define CONFIG_SYS_HRCW_SLAVE5 CONFIG_SYS_HRCW_MASTER | |
215 | #define CONFIG_SYS_HRCW_SLAVE6 CONFIG_SYS_HRCW_MASTER | |
216 | #define CONFIG_SYS_HRCW_SLAVE7 CONFIG_SYS_HRCW_MASTER | |
0f8c9768 WD |
217 | |
218 | /*----------------------------------------------------------------------- | |
219 | * Internal Memory Mapped Register | |
220 | */ | |
6d0f6bcf | 221 | #define CONFIG_SYS_IMMR 0xF0000000 |
0f8c9768 WD |
222 | |
223 | /*----------------------------------------------------------------------- | |
224 | * Definitions for initial stack pointer and data area (in DPRAM) | |
225 | */ | |
6d0f6bcf | 226 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 227 | #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */ |
25ddd1fb | 228 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 229 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
0f8c9768 WD |
230 | |
231 | /*----------------------------------------------------------------------- | |
232 | * Start addresses for the final memory configuration | |
233 | * (Set up by the startup code) | |
6d0f6bcf | 234 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
0f8c9768 | 235 | */ |
6d0f6bcf | 236 | #define CONFIG_SYS_SDRAM_BASE CMA_MB_RAM_BASE |
0f8c9768 | 237 | #ifdef CONFIG_CMA302 |
6d0f6bcf | 238 | #define CONFIG_SYS_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */ |
0f8c9768 | 239 | #else |
6d0f6bcf | 240 | #define CONFIG_SYS_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */ |
0f8c9768 | 241 | #endif |
14d0a02a | 242 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE |
6d0f6bcf JCPV |
243 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
244 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/ | |
0f8c9768 WD |
245 | |
246 | /* | |
247 | * For booting Linux, the board info and command line data | |
248 | * have to be in the first 8 MB of memory, since this is | |
249 | * the maximum mapped by the Linux kernel during initialization. | |
250 | */ | |
6d0f6bcf | 251 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Mem map for Linux*/ |
0f8c9768 WD |
252 | |
253 | /*----------------------------------------------------------------------- | |
254 | * FLASH organization | |
255 | */ | |
6d0f6bcf JCPV |
256 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */ |
257 | #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max num of sects on one chip */ | |
0f8c9768 | 258 | |
6d0f6bcf JCPV |
259 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */ |
260 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */ | |
0f8c9768 | 261 | |
5a1aceb0 | 262 | #define CONFIG_ENV_IS_IN_FLASH 1 |
6d0f6bcf | 263 | #define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */ |
0f8c9768 | 264 | #ifdef CONFIG_CMA302 |
0e8d1586 JCPV |
265 | #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
266 | #define CONFIG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */ | |
0f8c9768 | 267 | #else |
0e8d1586 | 268 | #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ |
0f8c9768 WD |
269 | #endif |
270 | ||
271 | /*----------------------------------------------------------------------- | |
272 | * Cache Configuration | |
273 | */ | |
6d0f6bcf | 274 | #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */ |
37e4f24b | 275 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 276 | # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value*/ |
0f8c9768 WD |
277 | #endif |
278 | ||
279 | /*----------------------------------------------------------------------- | |
280 | * HIDx - Hardware Implementation-dependent Registers 2-11 | |
281 | *----------------------------------------------------------------------- | |
282 | * HID0 also contains cache control - initially enable both caches and | |
283 | * invalidate contents, then the final state leaves only the instruction | |
284 | * cache enabled. Note that Power-On and Hard reset invalidate the caches, | |
285 | * but Soft reset does not. | |
286 | * | |
287 | * HID1 has only read-only information - nothing to set. | |
288 | */ | |
6d0f6bcf | 289 | #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\ |
0f8c9768 | 290 | HID0_IFEM|HID0_ABE) |
6d0f6bcf JCPV |
291 | #define CONFIG_SYS_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE) |
292 | #define CONFIG_SYS_HID2 0 | |
0f8c9768 WD |
293 | |
294 | /*----------------------------------------------------------------------- | |
295 | * RMR - Reset Mode Register 5-5 | |
296 | *----------------------------------------------------------------------- | |
297 | * turn on Checkstop Reset Enable | |
298 | */ | |
6d0f6bcf | 299 | #define CONFIG_SYS_RMR RMR_CSRE |
0f8c9768 WD |
300 | |
301 | /*----------------------------------------------------------------------- | |
302 | * BCR - Bus Configuration 4-25 | |
303 | *----------------------------------------------------------------------- | |
304 | */ | |
6d0f6bcf | 305 | #define CONFIG_SYS_BCR BCR_EBM |
0f8c9768 WD |
306 | |
307 | /*----------------------------------------------------------------------- | |
308 | * SIUMCR - SIU Module Configuration 4-31 | |
309 | *----------------------------------------------------------------------- | |
310 | */ | |
6d0f6bcf | 311 | #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11) |
0f8c9768 WD |
312 | |
313 | /*----------------------------------------------------------------------- | |
314 | * SYPCR - System Protection Control 4-35 | |
315 | * SYPCR can only be written once after reset! | |
316 | *----------------------------------------------------------------------- | |
317 | * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable | |
318 | */ | |
319 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 320 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
0f8c9768 WD |
321 | SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE) |
322 | #else | |
6d0f6bcf | 323 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
0f8c9768 WD |
324 | SYPCR_SWRI|SYPCR_SWP) |
325 | #endif /* CONFIG_WATCHDOG */ | |
326 | ||
327 | /*----------------------------------------------------------------------- | |
328 | * TMCNTSC - Time Counter Status and Control 4-40 | |
329 | *----------------------------------------------------------------------- | |
330 | * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, | |
331 | * and enable Time Counter | |
332 | */ | |
6d0f6bcf | 333 | #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) |
0f8c9768 WD |
334 | |
335 | /*----------------------------------------------------------------------- | |
336 | * PISCR - Periodic Interrupt Status and Control 4-42 | |
337 | *----------------------------------------------------------------------- | |
338 | * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable | |
339 | * Periodic timer | |
340 | */ | |
6d0f6bcf | 341 | #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) |
0f8c9768 WD |
342 | |
343 | /*----------------------------------------------------------------------- | |
344 | * SCCR - System Clock Control 9-8 | |
345 | *----------------------------------------------------------------------- | |
346 | * Ensure DFBRG is Divide by 16 | |
347 | */ | |
6d0f6bcf | 348 | #define CONFIG_SYS_SCCR (SCCR_DFBRG01) |
0f8c9768 WD |
349 | |
350 | /*----------------------------------------------------------------------- | |
351 | * RCCR - RISC Controller Configuration 13-7 | |
352 | *----------------------------------------------------------------------- | |
353 | */ | |
6d0f6bcf | 354 | #define CONFIG_SYS_RCCR 0 |
0f8c9768 WD |
355 | |
356 | #if defined(CONFIG_CMA282) | |
357 | ||
358 | /* | |
359 | * Init Memory Controller: | |
360 | * | |
361 | * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM | |
362 | * and CS2 for (optional) local bus RAM on the CPU module. | |
363 | * | |
364 | * Note the motherboard address space (256 Mbyte in size) is connected | |
365 | * to the 60x Bus and is located starting at address 0. The Hard Reset | |
366 | * Configuration Word should put the 60x Bus into External Bus Mode, since | |
367 | * we dont set up any memory controller maps for it (see BCR[EBM], 4-26). | |
368 | * | |
369 | * (the *_SIZE vars must be a power of 2) | |
370 | */ | |
371 | ||
14d0a02a | 372 | #define CONFIG_SYS_CMA_CS0_BASE CONFIG_SYS_TEXT_BASE /* EPROM */ |
6d0f6bcf | 373 | #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20) |
0f8c9768 | 374 | #if 0 |
6d0f6bcf JCPV |
375 | #define CONFIG_SYS_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */ |
376 | #define CONFIG_SYS_CMA_CS2_SIZE (16 << 20) | |
0f8c9768 WD |
377 | #endif |
378 | ||
379 | /* | |
380 | * CS0 maps the EPROM on the cpu module | |
6d0f6bcf | 381 | * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M |
0f8c9768 WD |
382 | * |
383 | * Note: We must have already transferred control to the final location | |
384 | * of the EPROM before these are used, because when BR0/OR0 are set, the | |
385 | * mirror of the eprom at any other addresses will disappear. | |
386 | */ | |
387 | ||
6d0f6bcf JCPV |
388 | /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */ |
389 | #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V) | |
390 | /* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */ | |
391 | #define CONFIG_SYS_OR0_PRELIM (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\ | |
0f8c9768 WD |
392 | ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK) |
393 | ||
394 | /* | |
395 | * CS2 enables the Local Bus SDRAM on the CPU Module | |
396 | * | |
397 | * Will leave this unset for the moment, because a) my CPU module has no | |
398 | * SDRAM installed (it is optional); and b) it will require programming | |
399 | * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right | |
400 | * if you can't test it. | |
401 | */ | |
402 | ||
403 | #if 0 | |
6d0f6bcf JCPV |
404 | /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */ |
405 | #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V) | |
406 | /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */ | |
407 | #define CONFIG_SYS_OR2_PRELIM ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/) | |
0f8c9768 WD |
408 | #endif |
409 | ||
410 | #endif | |
0f8c9768 | 411 | #endif /* __CONFIG_H */ |