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0f8c9768 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Murray Jensen <Murray.Jensen@cmst.csiro.au> | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
0f8c9768 WD |
6 | */ |
7 | ||
8 | /* | |
9 | * Config header file for Cogent platform using an MPC8xx CPU module | |
10 | */ | |
11 | ||
12 | #ifndef __CONFIG_H | |
13 | #define __CONFIG_H | |
14 | ||
15 | /* | |
16 | * High Level Configuration Options | |
17 | * (easy to change) | |
18 | */ | |
19 | ||
20 | #define CONFIG_MPC8260 1 /* This is an MPC8260 CPU */ | |
21 | #define CONFIG_COGENT 1 /* using Cogent Modular Architecture */ | |
9c4c5ae3 | 22 | #define CONFIG_CPM2 1 /* Has a CPM2 */ |
0f8c9768 | 23 | |
2ae18241 WD |
24 | #define CONFIG_SYS_TEXT_BASE 0xfff00000 |
25 | ||
c837dcb1 | 26 | #define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */ |
3a8f28d0 | 27 | #define CONFIG_MISC_INIT_R /* Use misc_init_r() */ |
c837dcb1 | 28 | |
0f8c9768 WD |
29 | /* Cogent Modular Architecture options */ |
30 | #define CONFIG_CMA282 1 /* ...on a CMA282 CPU module */ | |
31 | #define CONFIG_CMA111 1 /* ...on a CMA111 motherboard */ | |
32 | ||
33 | /* | |
34 | * select serial console configuration | |
35 | * | |
36 | * if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then | |
37 | * CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4 | |
38 | * for SCC). | |
39 | * | |
40 | * if CONFIG_CONS_NONE is defined, then the serial console routines must | |
41 | * defined elsewhere (for example, on the cogent platform, there are serial | |
42 | * ports on the motherboard which are used for the serial console - see | |
43 | * cogent/cma101/serial.[ch]). | |
44 | */ | |
45 | #define CONFIG_CONS_ON_SMC /* define if console on SMC */ | |
46 | #undef CONFIG_CONS_ON_SCC /* define if console on SCC */ | |
47 | #undef CONFIG_CONS_NONE /* define if console on something else*/ | |
48 | #define CONFIG_CONS_INDEX 1 /* which serial channel for console */ | |
49 | #undef CONFIG_CONS_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ | |
50 | #define CONFIG_CONS_EXTC_RATE 3686400 /* SMC/SCC ext clk rate in Hz */ | |
51 | #define CONFIG_CONS_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ | |
52 | ||
53 | /* | |
54 | * select ethernet configuration | |
55 | * | |
56 | * if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then | |
57 | * CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3 | |
58 | * for FCC) | |
59 | * | |
60 | * if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be | |
639221c7 | 61 | * defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset. |
0f8c9768 WD |
62 | */ |
63 | #undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */ | |
64 | #undef CONFIG_ETHER_ON_FCC /* define if ether on FCC */ | |
65 | #define CONFIG_ETHER_NONE /* define if ether on something else */ | |
66 | #define CONFIG_ETHER_INDEX 1 /* which channel for ether */ | |
67 | ||
68 | /* system clock rate (CLKIN) - equal to the 60x and local bus speed */ | |
69 | #define CONFIG_8260_CLKIN 66666666 /* in Hz */ | |
70 | ||
71 | #if defined(CONFIG_CONS_NONE) || defined(CONFIG_CONS_USE_EXTC) | |
72 | #define CONFIG_BAUDRATE 230400 | |
73 | #else | |
74 | #define CONFIG_BAUDRATE 9600 | |
75 | #endif | |
76 | ||
0f8c9768 | 77 | |
80ff4f99 JL |
78 | /* |
79 | * BOOTP options | |
80 | */ | |
81 | #define CONFIG_BOOTP_BOOTFILESIZE | |
82 | #define CONFIG_BOOTP_BOOTPATH | |
83 | #define CONFIG_BOOTP_GATEWAY | |
84 | #define CONFIG_BOOTP_HOSTNAME | |
85 | ||
86 | ||
37e4f24b JL |
87 | /* |
88 | * Command line configuration. | |
89 | */ | |
90 | #include <config_cmd_default.h> | |
91 | ||
92 | #define CONFIG_CMD_KGDB | |
93 | ||
94 | #undef CONFIG_CMD_NET | |
ba273f06 | 95 | #undef CONFIG_CMD_NFS |
0f8c9768 WD |
96 | |
97 | #ifdef DEBUG | |
98 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
99 | #else | |
100 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
101 | #endif | |
102 | #define CONFIG_BOOTCOMMAND "bootm 04080000 04200000" /* autoboot command*/ | |
103 | ||
104 | #define CONFIG_BOOTARGS "root=/dev/ram rw" | |
105 | ||
37e4f24b | 106 | #if defined(CONFIG_CMD_KGDB) |
0f8c9768 WD |
107 | #define CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */ |
108 | #undef CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */ | |
109 | #undef CONFIG_KGDB_NONE /* define if kgdb on something else */ | |
110 | #define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */ | |
111 | #define CONFIG_KGDB_USE_EXTC /* SMC/SCC use ext clock not brg_clk */ | |
112 | #define CONFIG_KGDB_EXTC_RATE 3686400 /* serial ext clk rate in Hz */ | |
113 | #define CONFIG_KGDB_EXTC_PINSEL 0 /* pin select 0=CLK3/CLK9,1=CLK5/CLK15*/ | |
114 | # if defined(CONFIG_KGDB_NONE) || defined(CONFIG_KGDB_USE_EXTC) | |
115 | #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port at */ | |
116 | # else | |
117 | #define CONFIG_KGDB_BAUDRATE 9600 /* speed to run kgdb serial port at */ | |
118 | # endif | |
119 | #endif | |
120 | ||
121 | #undef CONFIG_WATCHDOG /* disable platform specific watchdog */ | |
122 | ||
123 | /* | |
124 | * Miscellaneous configurable options | |
125 | */ | |
6d0f6bcf JCPV |
126 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
127 | #define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */ | |
37e4f24b | 128 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 129 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
0f8c9768 | 130 | #else |
6d0f6bcf | 131 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
0f8c9768 | 132 | #endif |
6d0f6bcf JCPV |
133 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
134 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
135 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
0f8c9768 | 136 | |
6d0f6bcf JCPV |
137 | #define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */ |
138 | #define CONFIG_SYS_MEMTEST_END 0x01c00000 /* 4 ... 28 MB in DRAM */ | |
0f8c9768 | 139 | |
6d0f6bcf | 140 | #define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */ |
0f8c9768 | 141 | |
6d0f6bcf | 142 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
0f8c9768 | 143 | |
6d0f6bcf | 144 | #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200, 230400 } |
0f8c9768 WD |
145 | |
146 | /* | |
147 | * Low Level Configuration Settings | |
148 | * (address mappings, register initial values, etc.) | |
149 | * You should know what you are doing if you make changes here. | |
150 | */ | |
151 | ||
152 | /*----------------------------------------------------------------------- | |
153 | * Low Level Cogent settings | |
6d0f6bcf | 154 | * if CONFIG_SYS_CMA_CONS_SERIAL is defined, make sure the 8260 CPM serial is not. |
0f8c9768 WD |
155 | * also, make sure CONFIG_CONS_INDEX is still defined - the index will be |
156 | * 1 for serialA, 2 for serialB, 3 for ser2A, 4 for ser2B | |
157 | * (second 2 for CMA120 only) | |
158 | */ | |
6d0f6bcf | 159 | #define CONFIG_SYS_CMA_MB_BASE 0x00000000 /* base of m/b address space */ |
0f8c9768 WD |
160 | |
161 | #include <configs/cogent_common.h> | |
162 | ||
163 | #ifdef CONFIG_CONS_NONE | |
6d0f6bcf | 164 | #define CONFIG_SYS_CMA_CONS_SERIAL /* use Cogent motherboard serial for console */ |
0f8c9768 | 165 | #endif |
6d0f6bcf | 166 | #define CONFIG_SYS_CMA_LCD_HEARTBEAT /* define for sec rotator in lcd corner */ |
a8c7c708 | 167 | #define CONFIG_SHOW_ACTIVITY |
0f8c9768 WD |
168 | |
169 | #if (CMA_MB_CAPS & CMA_MB_CAP_FLASH) | |
170 | /* | |
171 | * flash exists on the motherboard | |
172 | * set these four according to TOP dipsw: | |
173 | * TOP on => ..._FLLOW_... (boot EPROM space is high so FLASH is low ) | |
174 | * TOP off => ..._FLHIGH_... (boot EPROM space is low so FLASH is high) | |
175 | */ | |
176 | #define CMA_MB_FLASH_EXEC_BASE CMA_MB_FLLOW_EXEC_BASE | |
177 | #define CMA_MB_FLASH_EXEC_SIZE CMA_MB_FLLOW_EXEC_SIZE | |
178 | #define CMA_MB_FLASH_RDWR_BASE CMA_MB_FLLOW_RDWR_BASE | |
179 | #define CMA_MB_FLASH_RDWR_SIZE CMA_MB_FLLOW_RDWR_SIZE | |
180 | #endif | |
181 | #define CMA_MB_FLASH_BASE CMA_MB_FLASH_EXEC_BASE | |
182 | #define CMA_MB_FLASH_SIZE CMA_MB_FLASH_EXEC_SIZE | |
183 | ||
184 | /*----------------------------------------------------------------------- | |
185 | * Hard Reset Configuration Words | |
186 | * | |
6d0f6bcf | 187 | * if you change bits in the HRCW, you must also change the CONFIG_SYS_* |
0f8c9768 | 188 | * defines for the various registers affected by the HRCW e.g. changing |
6d0f6bcf | 189 | * HRCW_DPPCxx requires you to also change CONFIG_SYS_SIUMCR. |
0f8c9768 | 190 | */ |
6d0f6bcf | 191 | #define CONFIG_SYS_HRCW_MASTER (HRCW_EBM|HRCW_BPS10|HRCW_L2CPC10|HRCW_DPPC11|\ |
0f8c9768 WD |
192 | HRCW_ISB100|HRCW_MMR11|HRCW_MODCK_H0101) |
193 | /* no slaves so just duplicate the master hrcw */ | |
6d0f6bcf JCPV |
194 | #define CONFIG_SYS_HRCW_SLAVE1 CONFIG_SYS_HRCW_MASTER |
195 | #define CONFIG_SYS_HRCW_SLAVE2 CONFIG_SYS_HRCW_MASTER | |
196 | #define CONFIG_SYS_HRCW_SLAVE3 CONFIG_SYS_HRCW_MASTER | |
197 | #define CONFIG_SYS_HRCW_SLAVE4 CONFIG_SYS_HRCW_MASTER | |
198 | #define CONFIG_SYS_HRCW_SLAVE5 CONFIG_SYS_HRCW_MASTER | |
199 | #define CONFIG_SYS_HRCW_SLAVE6 CONFIG_SYS_HRCW_MASTER | |
200 | #define CONFIG_SYS_HRCW_SLAVE7 CONFIG_SYS_HRCW_MASTER | |
0f8c9768 WD |
201 | |
202 | /*----------------------------------------------------------------------- | |
203 | * Internal Memory Mapped Register | |
204 | */ | |
6d0f6bcf | 205 | #define CONFIG_SYS_IMMR 0xF0000000 |
0f8c9768 WD |
206 | |
207 | /*----------------------------------------------------------------------- | |
208 | * Definitions for initial stack pointer and data area (in DPRAM) | |
209 | */ | |
6d0f6bcf | 210 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
553f0982 | 211 | #define CONFIG_SYS_INIT_RAM_SIZE 0x4000 /* Size of used area in DPRAM */ |
25ddd1fb | 212 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
6d0f6bcf | 213 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET |
0f8c9768 WD |
214 | |
215 | /*----------------------------------------------------------------------- | |
216 | * Start addresses for the final memory configuration | |
217 | * (Set up by the startup code) | |
6d0f6bcf | 218 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
0f8c9768 | 219 | */ |
6d0f6bcf | 220 | #define CONFIG_SYS_SDRAM_BASE CMA_MB_RAM_BASE |
0f8c9768 | 221 | #ifdef CONFIG_CMA302 |
6d0f6bcf | 222 | #define CONFIG_SYS_FLASH_BASE CMA_MB_SLOT2_BASE /* cma302 in slot 2 */ |
0f8c9768 | 223 | #else |
6d0f6bcf | 224 | #define CONFIG_SYS_FLASH_BASE CMA_MB_FLASH_BASE /* flash on m/b */ |
0f8c9768 | 225 | #endif |
14d0a02a | 226 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE |
6d0f6bcf JCPV |
227 | #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ |
228 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc()*/ | |
0f8c9768 WD |
229 | |
230 | /* | |
231 | * For booting Linux, the board info and command line data | |
232 | * have to be in the first 8 MB of memory, since this is | |
233 | * the maximum mapped by the Linux kernel during initialization. | |
234 | */ | |
6d0f6bcf | 235 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Mem map for Linux*/ |
0f8c9768 WD |
236 | |
237 | /*----------------------------------------------------------------------- | |
238 | * FLASH organization | |
239 | */ | |
6d0f6bcf JCPV |
240 | #define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max num of memory banks */ |
241 | #define CONFIG_SYS_MAX_FLASH_SECT 67 /* max num of sects on one chip */ | |
0f8c9768 | 242 | |
6d0f6bcf JCPV |
243 | #define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Flash Erase Timeout (in ms) */ |
244 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */ | |
0f8c9768 | 245 | |
5a1aceb0 | 246 | #define CONFIG_ENV_IS_IN_FLASH 1 |
6d0f6bcf | 247 | #define CONFIG_ENV_ADDR CONFIG_SYS_FLASH_BASE /* Addr of Environment Sector */ |
0f8c9768 | 248 | #ifdef CONFIG_CMA302 |
0e8d1586 JCPV |
249 | #define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */ |
250 | #define CONFIG_ENV_SECT_SIZE (512*1024) /* see README - env sect real size */ | |
0f8c9768 | 251 | #else |
0e8d1586 | 252 | #define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ |
0f8c9768 WD |
253 | #endif |
254 | ||
255 | /*----------------------------------------------------------------------- | |
256 | * Cache Configuration | |
257 | */ | |
6d0f6bcf | 258 | #define CONFIG_SYS_CACHELINE_SIZE 32 /* For MPC8260 CPU */ |
37e4f24b | 259 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 260 | # define CONFIG_SYS_CACHELINE_SHIFT 5 /* log base 2 of the above value*/ |
0f8c9768 WD |
261 | #endif |
262 | ||
263 | /*----------------------------------------------------------------------- | |
264 | * HIDx - Hardware Implementation-dependent Registers 2-11 | |
265 | *----------------------------------------------------------------------- | |
266 | * HID0 also contains cache control - initially enable both caches and | |
267 | * invalidate contents, then the final state leaves only the instruction | |
268 | * cache enabled. Note that Power-On and Hard reset invalidate the caches, | |
269 | * but Soft reset does not. | |
270 | * | |
271 | * HID1 has only read-only information - nothing to set. | |
272 | */ | |
6d0f6bcf | 273 | #define CONFIG_SYS_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\ |
0f8c9768 | 274 | HID0_IFEM|HID0_ABE) |
6d0f6bcf JCPV |
275 | #define CONFIG_SYS_HID0_FINAL (HID0_ICE|HID0_IFEM|HID0_ABE) |
276 | #define CONFIG_SYS_HID2 0 | |
0f8c9768 WD |
277 | |
278 | /*----------------------------------------------------------------------- | |
279 | * RMR - Reset Mode Register 5-5 | |
280 | *----------------------------------------------------------------------- | |
281 | * turn on Checkstop Reset Enable | |
282 | */ | |
6d0f6bcf | 283 | #define CONFIG_SYS_RMR RMR_CSRE |
0f8c9768 WD |
284 | |
285 | /*----------------------------------------------------------------------- | |
286 | * BCR - Bus Configuration 4-25 | |
287 | *----------------------------------------------------------------------- | |
288 | */ | |
6d0f6bcf | 289 | #define CONFIG_SYS_BCR BCR_EBM |
0f8c9768 WD |
290 | |
291 | /*----------------------------------------------------------------------- | |
292 | * SIUMCR - SIU Module Configuration 4-31 | |
293 | *----------------------------------------------------------------------- | |
294 | */ | |
6d0f6bcf | 295 | #define CONFIG_SYS_SIUMCR (SIUMCR_DPPC11|SIUMCR_L2CPC10|SIUMCR_MMR11) |
0f8c9768 WD |
296 | |
297 | /*----------------------------------------------------------------------- | |
298 | * SYPCR - System Protection Control 4-35 | |
299 | * SYPCR can only be written once after reset! | |
300 | *----------------------------------------------------------------------- | |
301 | * Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable | |
302 | */ | |
303 | #if defined(CONFIG_WATCHDOG) | |
6d0f6bcf | 304 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
0f8c9768 WD |
305 | SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE) |
306 | #else | |
6d0f6bcf | 307 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\ |
0f8c9768 WD |
308 | SYPCR_SWRI|SYPCR_SWP) |
309 | #endif /* CONFIG_WATCHDOG */ | |
310 | ||
311 | /*----------------------------------------------------------------------- | |
312 | * TMCNTSC - Time Counter Status and Control 4-40 | |
313 | *----------------------------------------------------------------------- | |
314 | * Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk, | |
315 | * and enable Time Counter | |
316 | */ | |
6d0f6bcf | 317 | #define CONFIG_SYS_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE) |
0f8c9768 WD |
318 | |
319 | /*----------------------------------------------------------------------- | |
320 | * PISCR - Periodic Interrupt Status and Control 4-42 | |
321 | *----------------------------------------------------------------------- | |
322 | * Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable | |
323 | * Periodic timer | |
324 | */ | |
6d0f6bcf | 325 | #define CONFIG_SYS_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE) |
0f8c9768 WD |
326 | |
327 | /*----------------------------------------------------------------------- | |
328 | * SCCR - System Clock Control 9-8 | |
329 | *----------------------------------------------------------------------- | |
330 | * Ensure DFBRG is Divide by 16 | |
331 | */ | |
6d0f6bcf | 332 | #define CONFIG_SYS_SCCR (SCCR_DFBRG01) |
0f8c9768 WD |
333 | |
334 | /*----------------------------------------------------------------------- | |
335 | * RCCR - RISC Controller Configuration 13-7 | |
336 | *----------------------------------------------------------------------- | |
337 | */ | |
6d0f6bcf | 338 | #define CONFIG_SYS_RCCR 0 |
0f8c9768 WD |
339 | |
340 | #if defined(CONFIG_CMA282) | |
341 | ||
342 | /* | |
343 | * Init Memory Controller: | |
344 | * | |
345 | * According to the Cogent manual, only CS0 and CS2 are used - CS0 for EPROM | |
346 | * and CS2 for (optional) local bus RAM on the CPU module. | |
347 | * | |
348 | * Note the motherboard address space (256 Mbyte in size) is connected | |
349 | * to the 60x Bus and is located starting at address 0. The Hard Reset | |
350 | * Configuration Word should put the 60x Bus into External Bus Mode, since | |
351 | * we dont set up any memory controller maps for it (see BCR[EBM], 4-26). | |
352 | * | |
353 | * (the *_SIZE vars must be a power of 2) | |
354 | */ | |
355 | ||
14d0a02a | 356 | #define CONFIG_SYS_CMA_CS0_BASE CONFIG_SYS_TEXT_BASE /* EPROM */ |
6d0f6bcf | 357 | #define CONFIG_SYS_CMA_CS0_SIZE (1 << 20) |
0f8c9768 | 358 | #if 0 |
6d0f6bcf JCPV |
359 | #define CONFIG_SYS_CMA_CS2_BASE 0x10000000 /* Local Bus SDRAM */ |
360 | #define CONFIG_SYS_CMA_CS2_SIZE (16 << 20) | |
0f8c9768 WD |
361 | #endif |
362 | ||
363 | /* | |
364 | * CS0 maps the EPROM on the cpu module | |
6d0f6bcf | 365 | * Set it for 10 wait states, address CONFIG_SYS_MONITOR_BASE and size 1M |
0f8c9768 WD |
366 | * |
367 | * Note: We must have already transferred control to the final location | |
368 | * of the EPROM before these are used, because when BR0/OR0 are set, the | |
369 | * mirror of the eprom at any other addresses will disappear. | |
370 | */ | |
371 | ||
6d0f6bcf JCPV |
372 | /* base address = CONFIG_SYS_CMA_CS0_BASE, 16-bit, no parity, r/o, gpcm (60x bus) */ |
373 | #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS0_BASE&BRx_BA_MSK)|BRx_PS_16|BRx_WP|BRx_V) | |
374 | /* mask size CONFIG_SYS_CMA_CS0_SIZE, csneg 1/4 early, adr-to-cs 1/2, 10-wait states */ | |
375 | #define CONFIG_SYS_OR0_PRELIM (P2SZ_TO_AM(CONFIG_SYS_CMA_CS0_SIZE)|\ | |
0f8c9768 WD |
376 | ORxG_CSNT|ORxG_ACS_DIV2|ORxG_SCY_10_CLK) |
377 | ||
378 | /* | |
379 | * CS2 enables the Local Bus SDRAM on the CPU Module | |
380 | * | |
381 | * Will leave this unset for the moment, because a) my CPU module has no | |
382 | * SDRAM installed (it is optional); and b) it will require programming | |
383 | * one of the UPMs in SDRAM mode - not a trivial job, and hard to get right | |
384 | * if you can't test it. | |
385 | */ | |
386 | ||
387 | #if 0 | |
6d0f6bcf JCPV |
388 | /* base address = CONFIG_SYS_CMA_CS2_BASE, 32-bit, no parity, ??? */ |
389 | #define CONFIG_SYS_BR0_PRELIM ((CONFIG_SYS_CMA_CS2_BASE&BRx_BA_MSK)|BRx_PS_32|/*???*/|BRx_V) | |
390 | /* mask size CONFIG_SYS_CMA_CS2_SIZE, CS time normal, ??? */ | |
391 | #define CONFIG_SYS_OR2_PRELIM ((~(CONFIG_SYS_CMA_CS2_SIZE-1)&ORx_AM_MSK)|/*???*/) | |
0f8c9768 WD |
392 | #endif |
393 | ||
394 | #endif | |
0f8c9768 | 395 | #endif /* __CONFIG_H */ |