summaryrefslogtreecommitdiffstats
path: root/include/configs/AMX860.h
blob: 6e2907e7efb3487e9eb026cd24f2a16f636f5ec3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
/*
 * (C) Copyright 2001-2005
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

/*
 * board/config.h - configuration options, board specific
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 * (easy to change)
 */

#define CONFIG_MPC860		1
#define CONFIG_AMX860		1

#undef	CONFIG_8xx_CONS_SMC1		/* Console is on SCC2		*/
#undef	CONFIG_8xx_CONS_SMC2
#define	CONFIG_8xx_CONS_SCC2	1
#undef	CONFIG_8xx_CONS_NONE
#define CONFIG_BAUDRATE		9600
#define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/

#define MPC8XX_FACT		10		/* Multiply by 10	*/
#define MPC8XX_XIN		5000000			/* 5 MHz in	*/
#define MPC8XX_HZ ((MPC8XX_XIN) * (MPC8XX_FACT))

#if 0
#define CONFIG_BOOTDELAY	-1	/* autoboot disabled		*/
#else
#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
#endif

#define CONFIG_BOOTCOMMAND							\
	"bootp;"								\
	"setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} "	\
	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off;"	\
	"bootm"				/* autoboot command */

#undef CONFIG_BOOTARGS

#undef	CONFIG_WATCHDOG			/* watchdog disabled		*/

#define	CONFIG_SCC1_ENET	1	/* use SCC1 ethernet */

#define	CONFIG_RTC_MPC8xx		/* use internal RTC of MPC8xx	*/


/*
 * Command line configuration.
 */
#include <config_cmd_default.h>

#define CONFIG_CMD_DHCP
#define CONFIG_CMD_DATE
#define CONFIG_CMD_NFS
#define CONFIG_CMD_SNTP


#if defined(CONFIG_CMD_KGDB)
#undef	CONFIG_KGDB_ON_SMC		/* define if kgdb on SMC */
#define	CONFIG_KGDB_ON_SCC		/* define if kgdb on SCC */
#undef	CONFIG_KGDB_NONE		/* define if kgdb on something else */
#define CONFIG_KGDB_INDEX	1	/* which serial channel for kgdb */
#define CONFIG_KGDB_BAUDRATE	9600	/* speed to run kgdb serial port at */
#endif


/*
 * BOOTP options
 */
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_SUBNETMASK


/*
 * Miscellaneous configurable options
 */
#define CONFIG_SYS_LONGHELP			/* undef to save memory		*/
#define	CONFIG_SYS_PROMPT		"=> "	/* Monitor Command Prompt	*/
#if defined(CONFIG_CMD_KGDB)
#define	CONFIG_SYS_CBSIZE	1024		/* Console I/O Buffer Size	*/
#else
#define	CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size	*/
#endif
#define	CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
#define	CONFIG_SYS_MAXARGS	16		/* max number of command args	*/
#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size	*/

#define CONFIG_SYS_MEMTEST_START	0x0100000	/* memtest works on	*/
#define CONFIG_SYS_MEMTEST_END		0x0200000	/* 1 ... 4 MB in DRAM	*/

#define CONFIG_SYS_LOAD_ADDR		0x00100000

#define	CONFIG_SYS_HZ		1000		/* decrementer freq: 1 ms ticks	*/

#define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }

/*
 * Low Level Configuration Settings
 * (address mappings, register initial values, etc.)
 * You should know what you are doing if you make changes here.
 */

/*-----------------------------------------------------------------------
 * Internal Memory Mapped Register
 */
#define CONFIG_SYS_IMMR			0xFF000000

/*-----------------------------------------------------------------------
 * Definitions for initial stack pointer and data area (in DPRAM)
 */
#define CONFIG_SYS_INIT_RAM_ADDR	CONFIG_SYS_IMMR
#define	CONFIG_SYS_INIT_RAM_END	0x2F00	/* End of used area in DPRAM	*/
#define	CONFIG_SYS_GBL_DATA_SIZE	64  /* size in bytes reserved for initial data */
#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
#define	CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET

/*-----------------------------------------------------------------------
 * Start addresses for the final memory configuration
 * (Set up by the startup code)
 * Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
 */
#define	CONFIG_SYS_SDRAM_BASE		0x00000000
#define CONFIG_SYS_FLASH_BASE		0x40000000
#if defined(DEBUG)
#define	CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
#else
#define	CONFIG_SYS_MONITOR_LEN		(192 << 10)	/* Reserve 192 kB for Monitor	*/
#endif
#define CONFIG_SYS_MONITOR_BASE	CONFIG_SYS_FLASH_BASE
#define	CONFIG_SYS_MALLOC_LEN		(128 << 10)	/* Reserve 128 kB for malloc()	*/

/*
 * U-Boot for AMX board supports two types of memory extension
 * modules: one that provides 4 MB flash memory, and another one with
 * 16 MB EDO DRAM.
 *
 * The flash module swaps the CS0 and CS1 signals: if the module is
 * installed, CS0 is connected to Flash on the module and CS1 is
 * connected to the on-board Flash. This means that you must intall
 * U-Boot when the Flash module is plugged in, if you plan to use
 * it.
 *
 * To enable support for the DRAM extension card, CONFIG_AMX_RAM_EXT
 * must be defined. The DRAM module uses CS1.
 *
 * Only one of these modules may be installed at a time. If U-Boot
 * is compiled with the CONFIG_AMX_RAM_EXT option set, it will not
 * work if the Flash extension module is installed instead of the
 * DRAM module.
 */
#define CONFIG_AMX_RAM_EXT	/* 16Mb Ext. DRAM module support */

/*
 * For booting Linux, the board info and command line data
 * have to be in the first 8 MB of memory, since this is
 * the maximum mapped by the Linux kernel during initialization.
 *
 * Use 4 MB for without and 8 MB with 16 MB DRAM extension module
 * (CONFIG_AMX_RAM_EXT)
 */
#ifdef CONFIG_AMX_RAM_EXT
# define	CONFIG_SYS_BOOTMAPSZ	(8 << 20)	/* Initial Memory map for Linux	*/
#else
# define	CONFIG_SYS_BOOTMAPSZ	(4 << 20)	/* Initial Memory map for Linux	*/
#endif
/*-----------------------------------------------------------------------
 * FLASH organization
 */
#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* max number of memory banks		*/
#define CONFIG_SYS_MAX_FLASH_SECT	35	/* max number of sectors on one chip	*/

#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* Timeout for Flash Erase (in ms)	*/
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Timeout for Flash Write (in ms)	*/

#define	CONFIG_ENV_IS_IN_FLASH	1
#define	CONFIG_ENV_OFFSET		0x8000	/*   Offset   of Environment Sector	*/
#define	CONFIG_ENV_SIZE		0x4000	/* Total Size of Environment Sector	*/

/*-----------------------------------------------------------------------
 * Cache Configuration
 */
#define CONFIG_SYS_CACHELINE_SIZE	16	/* For all MPC8xx CPUs			*/
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CACHELINE_SHIFT	4	/* log base 2 of the above value	*/
#endif

/*-----------------------------------------------------------------------
 * SYPCR - System Protection Control					11-9
 * SYPCR can only be written once after reset!
 *-----------------------------------------------------------------------
 * Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
 */
#if defined(CONFIG_WATCHDOG)
#define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
			 SYPCR_SWE  | SYPCR_SWRI| SYPCR_SWP)
#else
#define CONFIG_SYS_SYPCR	(SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
#endif

/*-----------------------------------------------------------------------
 * SIUMCR - SIU Module Configuration					11-6
 *-----------------------------------------------------------------------
 * PCMCIA config., multi-function pin tri-state
 */
#define CONFIG_SYS_SIUMCR	(SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)

/*-----------------------------------------------------------------------
 * TBSCR - Time Base Status and Control					11-26
 *-----------------------------------------------------------------------
 * Clear Reference Interrupt Status, Timebase freezing enabled
 */
#define CONFIG_SYS_TBSCR	(TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)

/*-----------------------------------------------------------------------
 * PISCR - Periodic Interrupt Status and Control		11-31
 *-----------------------------------------------------------------------
 * Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
 */
#define CONFIG_SYS_PISCR	(PISCR_PS | PISCR_PITF)

/*-----------------------------------------------------------------------
 * PLPRCR - PLL, Low-Power, and Reset Control Register	15-30
 *-----------------------------------------------------------------------
 * set the PLL, the low-power modes and the reset control (15-29)
 */
#define CONFIG_SYS_PLPRCR	(((MPC8XX_FACT-1) << PLPRCR_MF_SHIFT) |	\
				PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)

/*-----------------------------------------------------------------------
 * SCCR - System Clock and reset Control Register		15-27
 *-----------------------------------------------------------------------
 * Set clock output, timebase and RTC source and divider,
 * power management and some other internal clocks
 */
#define SCCR_MASK	SCCR_EBDF11
#define CONFIG_SYS_SCCR	(SCCR_TBS|SCCR_COM00|SCCR_DFSYNC00|SCCR_DFBRG00|SCCR_DFNL000|SCCR_DFNH000|SCCR_DFLCD000|SCCR_DFALCD00)

#define CONFIG_SYS_DER		0

/*
 * Init Memory Controller:
 *
 * BR0/1 and OR0/1 (FLASH)
 */

#define FLASH_BASE0_PRELIM	0x40000000	/* FLASH bank #0	*/
#ifndef CONFIG_AMX_RAM_EXT
#define FLASH_BASE1_PRELIM	0x60000000	/* FLASH bank #1	*/
#endif

#define CONFIG_SYS_REMAP_OR_AM		0x80000000	/* OR addr mask */
#define CONFIG_SYS_PRELIM_OR_AM	0xFFC00000	/* OR addr mask */

/* FLASH timing: ACS = 10, TRLX = 1, CSNT = 1, SCY = 3, EHTR = 0	*/
/*				 0x00000800	0x00000400 0x00000100 0x00000030     0x00000004 */
#define CONFIG_SYS_OR_TIMING_FLASH	(OR_CSNT_SAM  | OR_ACS_DIV4 | OR_BI | OR_SCY_5_CLK | OR_TRLX)

#define CONFIG_SYS_OR0_REMAP	(CONFIG_SYS_REMAP_OR_AM  | CONFIG_SYS_OR_TIMING_FLASH)

#define CONFIG_SYS_OR0_PRELIM	0xFFC00954	/* Real values for the board */
#define CONFIG_SYS_BR0_PRELIM	0x40000001	/* Real values for the board */

#ifndef CONFIG_AMX_RAM_EXT
#define CONFIG_SYS_OR1_REMAP	CONFIG_SYS_OR0_REMAP
#define CONFIG_SYS_OR1_PRELIM	0xFFC00954	/* Real values for the board */
#define CONFIG_SYS_BR1_PRELIM	0x60000001	/* Real values for the board */
#endif

/* DSP ("Glue") Xilinx */
#define CONFIG_SYS_OR6_PRELIM	0xFFFF8000	/* 32kB, 15 waits, cs after addr, no bursts */
#define CONFIG_SYS_BR6_PRELIM	0x60000401	/* use GPCM for CS generation, 8 bit port */

/*
 * Internal Definitions
 *
 * Boot Flags
 */
#define	BOOTFLAG_COLD	0x01		/* Normal Power-On: Boot from FLASH	*/
#define BOOTFLAG_WARM	0x02		/* Software reboot			*/

#endif	/* __CONFIG_H */