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wdenkc6097192002-11-03 00:24:07 +00001/*
2 * (C) Copyright 2001
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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 *
26 * Configuration settings for the MUSENKI board.
27 *
28 */
29
30/* ------------------------------------------------------------------------- */
31
32/*
33 * board/config.h - configuration options, board specific
34 */
35
36#ifndef __CONFIG_H
37#define __CONFIG_H
38
39/*
40 * High Level Configuration Options
41 * (easy to change)
42 */
43
44#define CONFIG_MPC824X 1
45#define CONFIG_MPC8245 1
46#define CONFIG_MUSENKI 1
47
48
49#define CONFIG_CONS_INDEX 1
50#define CONFIG_BAUDRATE 9600
51#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
52
53#define CONFIG_BOOTDELAY 5
54
55#define CONFIG_COMMANDS (CONFIG_CMD_DFL)
56
57/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
58
59#include <cmd_confdefs.h>
60
61
62/*
63 * Miscellaneous configurable options
64 */
65#undef CFG_LONGHELP /* undef to save memory */
66#define CFG_PROMPT "=> " /* Monitor Command Prompt */
67#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
68
69/* Print Buffer Size
70 */
71#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
72#define CFG_MAXARGS 8 /* Max number of command args */
73#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
74#define CFG_LOAD_ADDR 0x00100000 /* Default load address */
75
76/*-----------------------------------------------------------------------
77 * PCI stuff
78 *-----------------------------------------------------------------------
79 */
80#define CONFIG_PCI /* include pci support */
81#undef CONFIG_PCI_PNP
82
83#define CONFIG_NET_MULTI /* Multi ethernet cards support */
84
85#define CONFIG_TULIP
86
87#define PCI_ENET0_IOADDR 0x80000000
88#define PCI_ENET0_MEMADDR 0x80000000
89#define PCI_ENET1_IOADDR 0x81000000
90#define PCI_ENET1_MEMADDR 0x81000000
91
92
93/*-----------------------------------------------------------------------
94 * Start addresses for the final memory configuration
95 * (Set up by the startup code)
96 * Please note that CFG_SDRAM_BASE _must_ start at 0
97 */
98#define CFG_SDRAM_BASE 0x00000000
99
100#define CFG_FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank on RCS#0 */
101#define CFG_FLASH_BASE1_PRELIM 0xFF000000 /* FLASH bank on RCS#1 */
102#define CFG_FLASH_BASE CFG_FLASH_BASE0_PRELIM
103
104/* even though FLASHP_BASE is FF800000, with 4MB is RCS0, the
105 * reset vector is actually located at FFB00100, but the 8245
106 * takes care of us.
107 */
108#define CFG_RESET_ADDRESS 0xFFF00100
109
110#define CFG_EUMB_ADDR 0xFC000000
111
112#define CFG_MONITOR_BASE TEXT_BASE
113#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
114#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
115
116#define CFG_MEMTEST_START 0x00004000 /* memtest works on */
117#define CFG_MEMTEST_END 0x02000000 /* 0 ... 32 MB in DRAM */
118
119 /* Maximum amount of RAM.
120 */
121#define CFG_MAX_RAM_SIZE 0x08000000 /* 0 .. 128 MB of (S)DRAM */
122
123
124#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
125#undef CFG_RAMBOOT
126#else
127#define CFG_RAMBOOT
128#endif
129
130/*
131 * NS16550 Configuration
132 */
133#define CFG_NS16550
134#define CFG_NS16550_SERIAL
135
136#define CFG_NS16550_REG_SIZE 1
137
138#define CFG_NS16550_CLK get_bus_freq(0)
139
140#define CFG_NS16550_COM1 (CFG_EUMB_ADDR + 0x4500)
141#define CFG_NS16550_COM2 (CFG_EUMB_ADDR + 0x4600)
142
143/*-----------------------------------------------------------------------
144 * Definitions for initial stack pointer and data area
145 */
146
147/* #define CFG_MONITOR_BASE TEXT_BASE */
148/*#define CFG_GBL_DATA_SIZE 256*/
149#define CFG_GBL_DATA_SIZE 128
150#define CFG_INIT_RAM_ADDR 0x40000000
151#define CFG_INIT_RAM_END 0x1000
152#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
153
154
155/*
156 * Low Level Configuration Settings
157 * (address mappings, register initial values, etc.)
158 * You should know what you are doing if you make changes here.
159 * For the detail description refer to the MPC8240 user's manual.
160 */
161
162#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
163#define CFG_HZ 1000
164
165 /* Bit-field values for MCCR1.
166 */
167#define CFG_ROMNAL 7
168#define CFG_ROMFAL 11
169#define CFG_DBUS_SIZE 0x3
170
171 /* Bit-field values for MCCR2.
172 */
173#define CFG_TSWAIT 0x5 /* Transaction Start Wait States timer */
174#define CFG_REFINT 0x400 /* Refresh interval FIXME: was 0t430 */
175
176 /* Burst To Precharge. Bits of this value go to MCCR3 and MCCR4.
177 */
178#define CFG_BSTOPRE 121
179
180 /* Bit-field values for MCCR3.
181 */
182#define CFG_REFREC 8 /* Refresh to activate interval */
183
184 /* Bit-field values for MCCR4.
185 */
186#define CFG_PRETOACT 3 /* Precharge to activate interval FIXME: was 2 */
187#define CFG_ACTTOPRE 5 /* Activate to Precharge interval FIXME: was 5 */
188#define CFG_ACTORW 3 /* FIXME was 2 */
189#define CFG_SDMODE_CAS_LAT 3 /* SDMODE CAS latancy */
190#define CFG_SDMODE_WRAP 0 /* SDMODE wrap type */
191#define CFG_REGISTERD_TYPE_BUFFER 1
192#define CFG_EXTROM 1
193#define CFG_REGDIMM 0
194
195#define CFG_PGMAX 0x32 /* how long the 8240 reatins the currently accessed page in memory FIXME: was 0x32*/
196
197#define CFG_SDRAM_DSCD 0x20 /* SDRAM data in sample clock delay - note bottom 3 bits MUST be 0 */
198
199/* Memory bank settings.
200 * Only bits 20-29 are actually used from these vales to set the
201 * start/end addresses. The upper two bits will always be 0, and the lower
202 * 20 bits will be 0x00000 for a start address, or 0xfffff for an end
203 * address. Refer to the MPC8240 book.
204 */
205
206#define CFG_BANK0_START 0x00000000
207#define CFG_BANK0_END (CFG_MAX_RAM_SIZE - 1)
208#define CFG_BANK0_ENABLE 1
209#define CFG_BANK1_START 0x3ff00000
210#define CFG_BANK1_END 0x3fffffff
211#define CFG_BANK1_ENABLE 0
212#define CFG_BANK2_START 0x3ff00000
213#define CFG_BANK2_END 0x3fffffff
214#define CFG_BANK2_ENABLE 0
215#define CFG_BANK3_START 0x3ff00000
216#define CFG_BANK3_END 0x3fffffff
217#define CFG_BANK3_ENABLE 0
218#define CFG_BANK4_START 0x3ff00000
219#define CFG_BANK4_END 0x3fffffff
220#define CFG_BANK4_ENABLE 0
221#define CFG_BANK5_START 0x3ff00000
222#define CFG_BANK5_END 0x3fffffff
223#define CFG_BANK5_ENABLE 0
224#define CFG_BANK6_START 0x3ff00000
225#define CFG_BANK6_END 0x3fffffff
226#define CFG_BANK6_ENABLE 0
227#define CFG_BANK7_START 0x3ff00000
228#define CFG_BANK7_END 0x3fffffff
229#define CFG_BANK7_ENABLE 0
230
231#define CFG_ODCR 0xff
232
233#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE)
234#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_256M | BATU_VS | BATU_VP)
235
236#define CFG_IBAT1L (CFG_INIT_RAM_ADDR | BATL_PP_10 | BATL_MEMCOHERENCE)
237#define CFG_IBAT1U (CFG_INIT_RAM_ADDR | BATU_BL_128K | BATU_VS | BATU_VP)
238
239#define CFG_IBAT2L (0x80000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
240#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP)
241
242#define CFG_IBAT3L (0xF0000000 | BATL_PP_10 | BATL_CACHEINHIBIT)
243#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP)
244
245#define CFG_DBAT0L CFG_IBAT0L
246#define CFG_DBAT0U CFG_IBAT0U
247#define CFG_DBAT1L CFG_IBAT1L
248#define CFG_DBAT1U CFG_IBAT1U
249#define CFG_DBAT2L CFG_IBAT2L
250#define CFG_DBAT2U CFG_IBAT2U
251#define CFG_DBAT3L CFG_IBAT3L
252#define CFG_DBAT3U CFG_IBAT3U
253
254/*
255 * For booting Linux, the board info and command line data
256 * have to be in the first 8 MB of memory, since this is
257 * the maximum mapped by the Linux kernel during initialization.
258 */
259#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
260
261/*-----------------------------------------------------------------------
262 * FLASH organization
263 */
264#define CFG_MAX_FLASH_BANKS 2 /* Max number of flash banks */
265#define CFG_MAX_FLASH_SECT 64 /* Max number of sectors per flash */
266
267#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
268#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
269
270
271 /* Warining: environment is not EMBEDDED in the U-Boot code.
272 * It's stored in flash separately.
273 */
274#define CFG_ENV_IS_IN_FLASH 1
275#define CFG_ENV_ADDR 0xFFFF0000
276#define CFG_ENV_SIZE 0x00010000 /* Size of the Environment */
277#define CFG_ENV_SECT_SIZE 0x20000 /* Size of the Environment Sector */
278
279/*-----------------------------------------------------------------------
280 * Cache Configuration
281 */
282#define CFG_CACHELINE_SIZE 32
283#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
284# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
285#endif
286
287/*
288 * Internal Definitions
289 *
290 * Boot Flags
291 */
292#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
293#define BOOTFLAG_WARM 0x02 /* Software reboot */
294
wdenkc6097192002-11-03 00:24:07 +0000295#endif /* __CONFIG_H */