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0f8c9768 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
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_MPC850 1 /* This is a MPC850 CPU */ | |
37 | #define CONFIG_ESTEEM192E 1 /* ...on a EST ESTEEM192E */ | |
38 | ||
39 | #define CONFIG_FLASH_16BIT 1 /* Rom 16 bit data bus */ | |
40 | ||
41 | #define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */ | |
42 | #undef CONFIG_8xx_CONS_SMC2 | |
43 | #undef CONFIG_8xx_CONS_NONE | |
44 | ||
45 | #define MPC8XX_FACT 10 /* Multiply by 10 */ | |
46 | #define MPC8XX_XIN 4915200 /* 4.915200 MHz in - ??? - XXX */ | |
47 | #define CFG_PLPRCR_MF ((MPC8XX_FACT-1) << 20) | |
48 | #define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT)) /* 49,152,000 Hz */ | |
49 | ||
50 | #define CONFIG_8xx_GCLK_FREQ MPC8XX_HZ /* Force it - dont measure it */ | |
51 | ||
52 | #define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */ | |
53 | ||
54 | #define CONFIG_BAUDRATE 9600 | |
55 | #if 0 | |
56 | #define CONFIG_BOOTDELAY -1 /* autoboot disabled */ | |
57 | #else | |
58 | #define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */ | |
59 | #endif | |
60 | #define CONFIG_BOOTCOMMAND "bootm 40030000" /* autoboot command */ | |
61 | ||
62 | #define CONFIG_BOOTARGS "root=/dev/ram rw ramdisk=8192 " \ | |
63 | "ip=100.100.100.21:100.100.100.14:100.100.100.1:255.0.0.0 " | |
64 | /* | |
65 | * Miscellaneous configurable options | |
66 | */ | |
67 | ||
68 | #define CONFIG_LOADS_ECHO 1 /* echo on for serial download */ | |
69 | #undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */ | |
70 | ||
71 | #undef CONFIG_WATCHDOG /* watchdog disabled */ | |
72 | ||
73 | #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE) | |
74 | ||
75 | /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ | |
76 | #include <cmd_confdefs.h> | |
77 | ||
78 | #define CFG_LONGHELP /* undef to save memory */ | |
79 | #define CFG_PROMPT "BOOT: " /* Monitor Command Prompt */ | |
80 | #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ | |
81 | #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */ | |
82 | #define CFG_MAXARGS 8 /* max number of command args */ | |
83 | #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ | |
84 | ||
85 | #define CFG_MEMTEST_START 0x0400000 /* memtest works on */ | |
86 | #define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */ | |
87 | ||
88 | #define CFG_LOAD_ADDR 0x100000 /* default load address */ | |
89 | ||
90 | #define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */ | |
91 | ||
92 | ||
93 | #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } | |
94 | ||
95 | ||
96 | /* | |
97 | * Low Level Configuration Settings | |
98 | * (address mappings, register initial values, etc.) | |
99 | * You should know what you are doing if you make changes here. | |
100 | */ | |
101 | /*----------------------------------------------------------------------- | |
102 | * Internal Memory Mapped Register | |
103 | */ | |
104 | #define CFG_IMMR 0xFF000000 | |
105 | ||
106 | /*----------------------------------------------------------------------- | |
107 | * Definitions for initial stack pointer and data area (in DPRAM) | |
108 | */ | |
109 | #define CFG_INIT_RAM_ADDR CFG_IMMR | |
110 | #define CFG_INIT_RAM_END 0x2F00 /* End of used area in DPRAM */ | |
111 | #define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */ | |
112 | #define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) | |
113 | #define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET | |
114 | ||
115 | ||
0f8c9768 WD |
116 | /*----------------------------------------------------------------------- |
117 | * Start addresses for the final memory configuration | |
118 | * (Set up by the startup code) | |
119 | * Please note that CFG_SDRAM_BASE _must_ start at 0 | |
120 | */ | |
121 | #define CFG_SDRAM_BASE 0x00000000 | |
122 | #define CFG_FLASH_BASE 0x40000000 | |
123 | #ifdef DEBUG | |
124 | #define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */ | |
125 | #else | |
126 | #define CFG_MONITOR_LEN (128 << 10) /* Reserve 128 kB for Monitor */ | |
127 | #endif | |
128 | #define CFG_MONITOR_BASE CFG_FLASH_BASE | |
129 | #define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */ | |
130 | ||
131 | /* | |
132 | * For booting Linux, the board info and command line data | |
133 | * have to be in the first 8 MB of memory, since this is | |
134 | * the maximum mapped by the Linux kernel during initialization. | |
135 | */ | |
136 | #define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */ | |
137 | /*----------------------------------------------------------------------- | |
138 | * FLASH organization | |
139 | */ | |
140 | #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */ | |
141 | #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */ | |
142 | ||
143 | #define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ | |
144 | #define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ | |
145 | ||
146 | #define CFG_ENV_IS_IN_FLASH 1 | |
147 | #define CFG_ENV_OFFSET 0x8000 /* Offset of Environment Sector */ | |
148 | #define CFG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */ | |
149 | /*----------------------------------------------------------------------- | |
150 | * Cache Configuration | |
151 | */ | |
152 | #define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */ | |
153 | ||
154 | /*----------------------------------------------------------------------- | |
155 | * SYPCR - System Protection Control 11-9 | |
156 | * SYPCR can only be written once after reset! | |
157 | *----------------------------------------------------------------------- | |
158 | * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze | |
159 | */ | |
160 | #define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP) | |
161 | ||
162 | /*----------------------------------------------------------------------- | |
163 | * SUMCR - SIU Module Configuration 11-6 | |
164 | *----------------------------------------------------------------------- | |
165 | * PCMCIA config., multi-function pin tri-state | |
166 | */ | |
167 | #define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01) /* DBGC00 */ | |
168 | ||
169 | /*----------------------------------------------------------------------- | |
170 | * TBSCR - Time Base Status and Control 11-26 | |
171 | *----------------------------------------------------------------------- | |
172 | * Clear Reference Interrupt Status, Timebase freezing enabled | |
173 | */ | |
174 | #define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF | TBSCR_TBE) | |
175 | ||
176 | /* (TBSCR_REFA | TBSCR_REFB | TBSCR_TBF) */ | |
177 | ||
178 | ||
179 | /*----------------------------------------------------------------------- | |
180 | * PISCR - Periodic Interrupt Status and Control 11-31 | |
181 | *----------------------------------------------------------------------- | |
182 | * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled | |
183 | */ | |
184 | #define CFG_PISCR (PISCR_PS | PISCR_PITF) | |
185 | ||
186 | /*----------------------------------------------------------------------- | |
187 | * PLPRCR - PLL, Low-Power, and Reset Control Register 15-30 | |
188 | *----------------------------------------------------------------------- | |
189 | * Reset PLL lock status sticky bit, timer expired status bit and timer | |
190 | * interrupt status bit - leave PLL multiplication factor unchanged ! | |
191 | */ | |
192 | #define CFG_PLPRCR (CFG_PLPRCR_MF | PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST) | |
193 | ||
194 | /*----------------------------------------------------------------------- | |
195 | * SCCR - System Clock and reset Control Register 15-27 | |
196 | *----------------------------------------------------------------------- | |
197 | * Set clock output, timebase and RTC source and divider, | |
198 | * power management and some other internal clocks | |
199 | */ | |
200 | #define SCCR_MASK SCCR_EBDF11 | |
201 | #define CFG_SCCR (SCCR_TBS | \ | |
202 | SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \ | |
203 | SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \ | |
204 | SCCR_DFALCD00) | |
205 | ||
206 | /*----------------------------------------------------------------------- | |
207 | * PCMCIA stuff | |
208 | *----------------------------------------------------------------------- | |
209 | * | |
210 | */ | |
211 | #define CFG_PCMCIA_MEM_ADDR (0xE0000000) | |
212 | #define CFG_PCMCIA_MEM_SIZE ( 64 << 20 ) | |
213 | #define CFG_PCMCIA_DMA_ADDR (0xE4000000) | |
214 | #define CFG_PCMCIA_DMA_SIZE ( 64 << 20 ) | |
215 | #define CFG_PCMCIA_ATTRB_ADDR (0xE8000000) | |
216 | #define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 ) | |
217 | #define CFG_PCMCIA_IO_ADDR (0xEC000000) | |
218 | #define CFG_PCMCIA_IO_SIZE ( 64 << 20 ) | |
219 | ||
220 | #define CFG_PCMCIA_INTERRUPT SIU_LEVEL6 | |
221 | ||
222 | /*----------------------------------------------------------------------- | |
223 | * | |
224 | *----------------------------------------------------------------------- | |
225 | * | |
226 | */ | |
227 | /*#define CFG_DER 0x2002000F*/ | |
228 | #define CFG_DER 0 | |
229 | /*#define CFG_DER 0x02002000 */ | |
230 | ||
231 | ||
232 | /* | |
233 | * Init Memory Controller: | |
234 | * | |
235 | * BR0/1 and OR0/1 (FLASH) | |
236 | */ | |
237 | ||
238 | #define FLASH_BASE0_PRELIM 0x40000000 /* FLASH bank #0 */ | |
239 | #define FLASH_BASE1_PRELIM 0x60000000 /* FLASH bank #0 */ | |
240 | ||
241 | /* used to re-map FLASH both when starting from SRAM or FLASH: | |
242 | * restrict access enough to keep SRAM working (if any) | |
243 | * but not too much to meddle with FLASH accesses | |
244 | */ | |
245 | #define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */ | |
246 | #define CFG_PRELIM_OR_AM 0xE0000000 /* OR addr mask */ | |
247 | ||
248 | /* FLASH timing: ACS = 11, TRLX = 0, CSNT = 1, SCY = 5, EHTR = 1 */ | |
249 | #define CFG_OR_TIMING_FLASH 0x00000160 | |
250 | /*(OR_CSNT_SAM | OR_ACS_DIV2 | OR_BI | \ | |
251 | OR_SCY_5_CLK | OR_EHTR) */ | |
252 | ||
253 | #define CFG_OR0_REMAP 0x80000160 /*(CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)*/ | |
254 | #define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH) | |
255 | #define CFG_BR0_PRELIM ( FLASH_BASE0_PRELIM | 0x00000801 ) | |
256 | ||
257 | #define CFG_OR1_REMAP CFG_OR0_REMAP | |
258 | #define CFG_OR1_PRELIM CFG_OR0_PRELIM | |
259 | #define CFG_BR1_PRELIM ( FLASH_BASE1_PRELIM | 0x00000801 ) | |
260 | ||
261 | /* | |
262 | * BR2/3 and OR2/3 (SDRAM) | |
263 | * | |
264 | */ | |
265 | #define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */ | |
266 | #define SDRAM_BASE3_PRELIM 0x04000000 /* SDRAM bank #1 */ | |
267 | #define SDRAM_MAX_SIZE 0x02000000 /* max 32 MB per bank */ | |
268 | ||
269 | /* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */ | |
270 | #define CFG_OR_TIMING_SDRAM 0x00000A00 | |
271 | ||
272 | #define CFG_OR2_PRELIM 0xFC000E00 | |
273 | #define CFG_BR2_PRELIM (SDRAM_BASE2_PRELIM | 0x00000081) | |
274 | ||
275 | #define CFG_OR3_PRELIM CFG_OR2_PRELIM | |
276 | #define CFG_BR3_PRELIM (SDRAM_BASE3_PRELIM | 0x00000081) | |
277 | ||
278 | ||
279 | /* | |
280 | * Memory Periodic Timer Prescaler | |
281 | */ | |
282 | ||
283 | /* periodic timer for refresh */ | |
284 | #define CFG_MAMR_PTA 97 /* start with divider for 100 MHz */ | |
285 | ||
286 | /* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */ | |
287 | #define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */ | |
288 | #define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */ | |
289 | ||
290 | /* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */ | |
291 | #define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */ | |
292 | #define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */ | |
293 | ||
294 | /* | |
295 | * MAMR settings for SDRAM | |
296 | */ | |
297 | ||
298 | /* 8 column SDRAM */ | |
299 | #define CFG_MAMR_8COL 0x18803112 | |
300 | #define CFG_MAMR_9COL 0x18803112 /* same as 8 column because its just easier to port with*/ | |
301 | ||
302 | ||
0f8c9768 WD |
303 | /* |
304 | * Internal Definitions | |
305 | * | |
306 | * Boot Flags | |
307 | */ | |
308 | ||
309 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
310 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
311 | ||
312 | /* | |
313 | * Internal Definitions | |
314 | * | |
315 | * Boot Flags | |
316 | */ | |
317 | #define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */ | |
318 | #define BOOTFLAG_WARM 0x02 /* Software reboot */ | |
319 | ||
320 | #endif /* __CONFIG_H */ |