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
|
/*
* Configuation settings for the esd TASREG board.
*
* (C) Copyright 2004
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* 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 _TASREG_H
#define _TASREG_H
#ifndef __ASSEMBLY__
#include <asm/m5249.h>
#endif
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5249 /* define processor type */
#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
#define CONFIG_BAUDRATE 19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
#undef CONFIG_WATCHDOG
#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_BSP
#define CONFIG_CMD_EEPROM
#define CONFIG_CMD_I2C
#undef CONFIG_CMD_NET
#define CONFIG_BOOTDELAY 3
#define CFG_PROMPT "=> "
#define CFG_LONGHELP /* undef to save memory */
#if defined(CONFIG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
#define CONFIG_LOOPW 1 /* enable loopw command */
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
#define CFG_LOAD_ADDR 0x200000 /* default load address */
#define CFG_MEMTEST_START 0x400
#define CFG_MEMTEST_END 0x380000
#define CFG_HZ 1000
/*
* Clock configuration: enable only one of the following options
*/
#if 0 /* this setting will run the cpu at 11MHz */
#define CFG_PLL_BYPASS 1 /* bypass PLL for test purpose */
#undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
#define CFG_CLK 11289600 /* PLL bypass */
#endif
#if 0 /* this setting will run the cpu at 70MHz */
#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
#undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
#define CFG_CLK 72185018 /* The next lower speed */
#endif
#if 1 /* this setting will run the cpu at 140MHz */
#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
#define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */
#define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */
#endif
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
#define CFG_MBAR 0x10000000 /* Register Base Addrs */
#define CFG_MBAR2 0x80000000
/*-----------------------------------------------------------------------
* I2C
*/
#define CONFIG_SOFT_I2C
#define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */
#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
/* mask of address bits that overflow into the "EEPROM chip address" */
#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
#define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
/* 32 byte page write mode using*/
/* last 5 bits of the address */
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE
#if defined (CONFIG_SOFT_I2C)
#if 0 /* push-pull */
#define SDA 0x00800000
#define SCL 0x00000008
#define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
#define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
#define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
#define I2C_INIT {OUT1|=SDA;OUT0|=SCL;}
#define I2C_READ ((IN1&SDA)?1:0)
#define I2C_SDA(x) {if(x)OUT1|=SDA;else OUT1&=~SDA;}
#define I2C_SCL(x) {if(x)OUT0|=SCL;else OUT0&=~SCL;}
#define I2C_DELAY {udelay(5);}
#define I2C_ACTIVE {DIR1|=SDA;}
#define I2C_TRISTATE {DIR1&=~SDA;}
#else /* open-collector */
#define SDA 0x00800000
#define SCL 0x00000008
#define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
#define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
#define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
#define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;}
#define I2C_READ ((IN1&SDA)?1:0)
#define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1|=SDA;}
#define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0|=SCL;}
#define I2C_DELAY {udelay(5);}
#define I2C_ACTIVE {DIR1|=SDA;}
#define I2C_TRISTATE {DIR1&=~SDA;}
#endif
#endif
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR 0x20000000
#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/
#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
#define CFG_FLASH_BASE 0xffc00000
#if 0 /* test-only */
#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
#endif
#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
#define CFG_MONITOR_LEN 0x20000
#define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
#define CFG_BOOTPARAMS_LEN 64*1024
/*
* 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 ??
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
/*
* The following defines are added for buggy IOP480 byte interface.
* All other boards should use the standard values (CPCI405 etc.)
*/
#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16
/*-----------------------------------------------------------------------
* Memory bank definitions
*/
/* CS0 - AMD Flash, address 0xffc00000 */
#define CFG_CSAR0 0xffc0
#define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
#define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
/* CS1 - FPGA, address 0xe0000000 */
#define CFG_CSAR1 0xe000
#define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
#define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
/*-----------------------------------------------------------------------
* Port configuration
*/
#define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
#define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
#define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */
#define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */
#define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */
#define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
#define CFG_GPIO1_LED 0x00400000 /* user led */
/*-----------------------------------------------------------------------
* FPGA stuff
*/
#define CFG_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
#define CFG_FPGA_MAX_SIZE 512*1024 /* 512kByte is enough for XC2S200*/
/* FPGA program pin configuration */
#define CFG_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */
#define CFG_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */
#define CFG_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */
#define CFG_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */
#define CFG_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */
#endif /* _TASREG_H */
|
