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0f8c9768 WD |
1 | /* |
2 | * (C) Copyright 2001 | |
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_MPC823 1 /* This is a MPC823 CPU */ | |
37 | #define CONFIG_FLAGADM 1 /* ...on a FLAGA DM */ | |
38 | #define CONFIG_8xx_GCLK_FREQ 48000000 /*48MHz*/ | |
39 | ||
40 | #undef CONFIG_8xx_CONS_SMC1 /* Console is on SMC1 */ | |
41 | #define CONFIG_8xx_CONS_SMC2 1 | |
42 | #undef CONFIG_8xx_CONS_NONE | |
43 | ||
44 | #define CONFIG_BAUDRATE 115200 /* console baudrate = 115kbps */ | |
45 | #define CONFIG_BOOTDELAY 3 /* autoboot after 5 seconds */ | |
46 | ||
47 | #undef CONFIG_CLOCKS_IN_MHZ | |
48 | ||
49 | #if 0 | |
50 | #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp" | |
51 | #define CONFIG_BOOTCOMMAND \ | |
52 | "setenv bootargs root=/dev/ram ip=off panic=1;" \ | |
53 | "bootm 40040000 400e0000" | |
54 | #else | |
55 | #define CONFIG_BOOTARGS "root=/dev/nfs rw ip=bootp panic=1" | |
56 | #define CONFIG_BOOTCOMMAND "bootp 0x400000; bootm 0x400000" | |
57 | #endif /* 0|1*/ | |
58 | ||
59 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
6d0f6bcf | 60 | #undef CONFIG_SYS_LOADS_BAUD_CHANGE /* don't allow baudrate change */ |
0f8c9768 WD |
61 | |
62 | /*#define CONFIG_WATCHDOG*/ /* watchdog enabled */ | |
63 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
64 | ||
5d2ebe1b JL |
65 | /* |
66 | * BOOTP options | |
67 | */ | |
68 | #define CONFIG_BOOTP_SUBNETMASK | |
69 | #define CONFIG_BOOTP_GATEWAY | |
70 | #define CONFIG_BOOTP_HOSTNAME | |
71 | #define CONFIG_BOOTP_BOOTPATH | |
72 | #define CONFIG_BOOTP_BOOTFILESIZE | |
73 | ||
0f8c9768 | 74 | |
60a0876b JL |
75 | /* |
76 | * Command line configuration. | |
77 | */ | |
78 | ||
79 | #define CONFIG_CMD_BDI | |
80 | #define CONFIG_CMD_IMI | |
81 | #define CONFIG_CMD_CACHE | |
82 | #define CONFIG_CMD_MEMORY | |
83 | #define CONFIG_CMD_FLASH | |
84 | #define CONFIG_CMD_LOADB | |
85 | #define CONFIG_CMD_LOADS | |
bdab39d3 | 86 | #define CONFIG_CMD_SAVEENV |
60a0876b JL |
87 | #define CONFIG_CMD_REGINFO |
88 | #define CONFIG_CMD_IMMAP | |
89 | #define CONFIG_CMD_NET | |
0f8c9768 | 90 | |
0f8c9768 WD |
91 | |
92 | /* | |
93 | * Miscellaneous configurable options | |
94 | */ | |
6d0f6bcf JCPV |
95 | #define CONFIG_SYS_LONGHELP /* undef to save memory */ |
96 | #define CONFIG_SYS_PROMPT "EEG> " /* Monitor Command Prompt */ | |
60a0876b | 97 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 98 | #define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */ |
0f8c9768 | 99 | #else |
6d0f6bcf | 100 | #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ |
0f8c9768 | 101 | #endif |
6d0f6bcf JCPV |
102 | #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */ |
103 | #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ | |
104 | #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ | |
0f8c9768 | 105 | |
6d0f6bcf JCPV |
106 | #define CONFIG_SYS_MEMTEST_START 0x0100000 /* memtest works on */ |
107 | #define CONFIG_SYS_MEMTEST_END 0x0f00000 /* 1 ... 15 MB in DRAM */ | |
0f8c9768 | 108 | |
6d0f6bcf | 109 | #define CONFIG_SYS_LOAD_ADDR 0x40040000 /* default load address */ |
0f8c9768 | 110 | |
6d0f6bcf | 111 | #define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */ |
0f8c9768 | 112 | |
6d0f6bcf | 113 | #define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } |
0f8c9768 WD |
114 | |
115 | /* | |
116 | * Low Level Configuration Settings | |
117 | * (address mappings, register initial values, etc.) | |
118 | * You should know what you are doing if you make changes here. | |
119 | */ | |
120 | /*----------------------------------------------------------------------- | |
121 | * Internal Memory Mapped Register | |
122 | */ | |
6d0f6bcf | 123 | #define CONFIG_SYS_IMMR 0xFF000000 |
0f8c9768 WD |
124 | |
125 | /*----------------------------------------------------------------------- | |
126 | * Definitions for initial stack pointer and data area (in DPRAM) | |
127 | */ | |
6d0f6bcf JCPV |
128 | #define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_IMMR |
129 | #define CONFIG_SYS_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
130 | #define CONFIG_SYS_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
131 | #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE) | |
132 | #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET | |
0f8c9768 WD |
133 | |
134 | /*----------------------------------------------------------------------- | |
135 | * Start addresses for the final memory configuration | |
136 | * (Set up by the startup code) | |
6d0f6bcf | 137 | * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0 |
0f8c9768 | 138 | */ |
6d0f6bcf JCPV |
139 | #define CONFIG_SYS_SDRAM_BASE 0x00000000 |
140 | #define CONFIG_SYS_FLASH_BASE 0x40000000 | |
141 | #define CONFIG_SYS_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ | |
142 | #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE | |
143 | #define CONFIG_SYS_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
0f8c9768 WD |
144 | |
145 | /* | |
146 | * For booting Linux, the board info and command line data | |
147 | * have to be in the first 8 MB of memory, since this is | |
148 | * the maximum mapped by the Linux kernel during initialization. | |
149 | */ | |
6d0f6bcf | 150 | #define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ |
0f8c9768 WD |
151 | |
152 | /*----------------------------------------------------------------------- | |
153 | * FLASH organization | |
154 | */ | |
6d0f6bcf JCPV |
155 | #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
156 | #define CONFIG_SYS_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ | |
0f8c9768 | 157 | |
6d0f6bcf JCPV |
158 | #define CONFIG_SYS_FLASH_ERASE_TOUT 8000 /* Timeout for Flash Erase (in ms) */ |
159 | #define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
0f8c9768 | 160 | |
5a1aceb0 | 161 | #define CONFIG_ENV_IS_IN_FLASH 1 |
0f8c9768 WD |
162 | /* This is a litlebit wasteful, but one sector is 128kb and we have to |
163 | * assigne a whole sector for the environment, so that we can safely | |
164 | * erase and write it without disturbing the boot sector | |
165 | */ | |
0e8d1586 JCPV |
166 | #define CONFIG_ENV_OFFSET 0x20000 /* Offset of Environment Sector */ |
167 | #define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ | |
0f8c9768 WD |
168 | |
169 | /*----------------------------------------------------------------------- | |
170 | * Cache Configuration | |
171 | */ | |
6d0f6bcf | 172 | #define CONFIG_SYS_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ |
60a0876b | 173 | #if defined(CONFIG_CMD_KGDB) |
6d0f6bcf | 174 | #define CONFIG_SYS_CACHELINE_SHIFT 4 /* log base 2 of the above value */ |
0f8c9768 | 175 | #endif |
506f3918 HS |
176 | #define CONFIG_SYS_DELAYED_ICACHE 1 /* enable ICache not before |
177 | * running in RAM. | |
178 | */ | |
0f8c9768 WD |
179 | |
180 | /*----------------------------------------------------------------------- | |
181 | * SYPCR - System Protection Control 11-9 | |
182 | * SYPCR can only be written once after reset! | |
183 | *----------------------------------------------------------------------- | |
184 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
185 | */ | |
186 | #ifdef CONFIG_WATCHDOG | |
6d0f6bcf | 187 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_SWF | SYPCR_SWE | SYPCR_SWRI | SYPCR_SWP) |
0f8c9768 | 188 | #else |
6d0f6bcf | 189 | #define CONFIG_SYS_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF) |
0f8c9768 WD |
190 | #endif |
191 | ||
192 | /*----------------------------------------------------------------------- | |
193 | * SIUMCR - SIU Module Configuration 11-6 | |
194 | *----------------------------------------------------------------------- | |
195 | * PCMCIA config., multi-function pin tri-state | |
196 | */ | |
6d0f6bcf | 197 | #define CONFIG_SYS_PRE_SIUMCR (SIUMCR_DBGC11 | SIUMCR_MPRE | \ |
0f8c9768 | 198 | SIUMCR_MLRC01 | SIUMCR_GB5E) |
6d0f6bcf | 199 | #define CONFIG_SYS_SIUMCR (CONFIG_SYS_PRE_SIUMCR | SIUMCR_DLK) |
0f8c9768 WD |
200 | |
201 | /*----------------------------------------------------------------------- | |
202 | * TBSCR - Time Base Status and Control 11-26 | |
203 | *----------------------------------------------------------------------- | |
204 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
205 | */ | |
6d0f6bcf | 206 | #define CONFIG_SYS_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) |
0f8c9768 WD |
207 | |
208 | /*----------------------------------------------------------------------- | |
209 | * RTCSC - Real-Time Clock Status and Control Register 11-27 | |
210 | *----------------------------------------------------------------------- | |
211 | */ | |
6d0f6bcf | 212 | #define CONFIG_SYS_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE) |
0f8c9768 WD |
213 | |
214 | /*----------------------------------------------------------------------- | |
215 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
216 | *----------------------------------------------------------------------- | |
217 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
218 | */ | |
6d0f6bcf | 219 | #define CONFIG_SYS_PISCR (PISCR_PS | PISCR_PITF) |
0f8c9768 WD |
220 | |
221 | /*----------------------------------------------------------------------- | |
222 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
223 | *----------------------------------------------------------------------- | |
224 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
225 | * interrupt status bit miltiplier of 0x00b i.e. operation clock is | |
226 | * 4MHz * (0x00b+1) = 4MHz * 12 = 48MHz | |
227 | */ | |
6d0f6bcf | 228 | #define CONFIG_SYS_PLPRCR (0x00b00000 | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) |
0f8c9768 WD |
229 | |
230 | /*----------------------------------------------------------------------- | |
231 | * SCCR - System Clock and reset Control Register 15-27 | |
232 | *----------------------------------------------------------------------- | |
233 | * Set clock output, timebase and RTC source and divider, | |
234 | * power management and some other internal clocks | |
235 | */ | |
236 | #define SCCR_MASK SCCR_EBDF11 | |
6d0f6bcf | 237 | #define CONFIG_SYS_SCCR ( SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ |
0f8c9768 WD |
238 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ |
239 | SCCR_DFALCD00) | |
240 | ||
6d0f6bcf | 241 | #define CONFIG_SYS_DER 0 |
0f8c9768 WD |
242 | |
243 | /* | |
244 | * In the Flaga DM we have: | |
245 | * Flash on BR0/OR0/CS0a at 0x40000000 | |
246 | * Display on BR1/OR1/CS1 at 0x20000000 | |
247 | * SDRAM on BR2/OR2/CS2 at 0x00000000 | |
248 | * Free BR3/OR3/CS3 | |
249 | * DSP1 on BR4/OR4/CS4 at 0x80000000 | |
250 | * DSP2 on BR5/OR5/CS5 at 0xa0000000 | |
251 | * | |
252 | * For now we just configure the Flash and the SDRAM and leave the others | |
253 | * untouched. | |
254 | */ | |
255 | ||
6d0f6bcf | 256 | #define CONFIG_SYS_FLASH_PROTECTION 0 |
0f8c9768 WD |
257 | |
258 | #define FLASH_BASE0 0x40000000 /* FLASH bank #0 */ | |
259 | ||
260 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
261 | * restrict access enough to keep SRAM working (if any) | |
262 | * but not too much to meddle with FLASH accesses | |
263 | */ | |
6d0f6bcf JCPV |
264 | #define CONFIG_SYS_OR_AM 0xff000000 /* OR addr mask */ |
265 | #define CONFIG_SYS_OR_ATM 0x00006000 | |
0f8c9768 WD |
266 | |
267 | /* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 1 */ | |
6d0f6bcf | 268 | #define CONFIG_SYS_OR_TIMING_FLASH (OR_CSNT_SAM | OR_ACS_DIV4 | OR_BI | \ |
0f8c9768 WD |
269 | OR_SCY_3_CLK | OR_TRLX | OR_EHTR ) |
270 | ||
6d0f6bcf JCPV |
271 | #define CONFIG_SYS_OR0_PRELIM (CONFIG_SYS_OR_AM | CONFIG_SYS_OR_ATM | CONFIG_SYS_OR_TIMING_FLASH) |
272 | #define CONFIG_SYS_BR0_PRELIM ((FLASH_BASE0 & BR_BA_MSK) | BR_PS_16 | BR_V ) | |
0f8c9768 WD |
273 | |
274 | /* | |
275 | * BR2 and OR2 (SDRAM) | |
276 | * | |
277 | */ | |
278 | #define SDRAM_BASE2 0x00000000 /* SDRAM bank #0 */ | |
279 | #define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */ | |
280 | ||
281 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
6d0f6bcf | 282 | #define CONFIG_SYS_OR_TIMING_SDRAM ( 0x00000800 ) |
0f8c9768 | 283 | |
6d0f6bcf JCPV |
284 | #define CONFIG_SYS_OR2_PRELIM (CONFIG_SYS_OR_AM | CONFIG_SYS_OR_TIMING_SDRAM) |
285 | #define CONFIG_SYS_BR2_PRELIM ((SDRAM_BASE2 & BR_BA_MSK) | BR_MS_UPMA | BR_V ) | |
0f8c9768 | 286 | |
6d0f6bcf JCPV |
287 | #define CONFIG_SYS_BR2 CONFIG_SYS_BR2_PRELIM |
288 | #define CONFIG_SYS_OR2 CONFIG_SYS_OR2_PRELIM | |
0f8c9768 WD |
289 | |
290 | /* | |
291 | * MAMR settings for SDRAM | |
292 | */ | |
6d0f6bcf | 293 | #define CONFIG_SYS_MAMR_48_SDR (CONFIG_SYS_MAMR_PTA | MAMR_WLFA_1X | MAMR_RLFA_1X \ |
0f8c9768 WD |
294 | | MAMR_G0CLA_A11) |
295 | ||
296 | /* | |
297 | * Memory Periodic Timer Prescaler | |
298 | */ | |
299 | ||
300 | /* periodic timer for refresh */ | |
6d0f6bcf | 301 | #define CONFIG_SYS_MAMR_PTA 0x0F000000 |
0f8c9768 WD |
302 | |
303 | /* | |
304 | * BR4 and OR4 (DSP1) | |
305 | * | |
306 | * We do not wan't preliminary setup of the DSP, anyway we need the | |
307 | * UPMB setup correctly before we can access the DSP. | |
308 | * | |
309 | */ | |
310 | #define DSP_BASE 0x80000000 | |
311 | ||
6d0f6bcf JCPV |
312 | #define CONFIG_SYS_OR4 ( OR_AM_MSK | OR_CSNT_SAM | OR_BI | OR_G5LS) |
313 | #define CONFIG_SYS_BR4 ( (DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_UPMB | BR_V ) | |
0f8c9768 WD |
314 | |
315 | /* | |
316 | * Internal Definitions | |
317 | * | |
318 | * Boot Flags | |
319 | */ | |
320 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
321 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
322 | ||
323 | #endif /* __CONFIG_H */ |