blob: 9b8bd05fb8f915ff29f5ea8650963f7f49264db7 [file] [log] [blame]
wdenkab255f22002-09-18 09:04:55 +00001/*
2 * (C) Copyright 2001
3 * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
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_405CR 1 /* This is a PPC405CR CPU */
37#define CONFIG_4xx 1 /* ...member of PPC4xx family */
38#define CONFIG_CANBT 1 /* ...on a CANBT board */
39
40#define CONFIG_BOARD_PRE_INIT 1 /* call board_pre_init() */
41
42#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
43
44#define CONFIG_BAUDRATE 115200
45#define CONFIG_BOOTDELAY 1 /* autoboot after 1 seconds */
46
47#undef CONFIG_BOOTARGS
48#define CONFIG_BOOTCOMMAND \
49 "setenv bootargs root=/dev/ram rw console=ttyS0,115200; " \
50 "bootm ffe00000 ffe80000"
51
52#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
53#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
54
55#undef CONFIG_PCI_PNP /* no pci plug-and-play */
56
57#define CONFIG_PHY_ADDR 0 /* PHY address */
58
59#define CONFIG_COMMANDS (( CONFIG_CMD_DFL | \
60 CFG_CMD_IRQ | \
61 CFG_CMD_EEPROM ) & \
62 ~CFG_CMD_NET)
63
64/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
65#include <cmd_confdefs.h>
66
67#undef CONFIG_WATCHDOG /* watchdog disabled */
68
69#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
70
71/*
72 * Miscellaneous configurable options
73 */
74#define CFG_LONGHELP /* undef to save memory */
75#define CFG_PROMPT "=> " /* Monitor Command Prompt */
76#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
77#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
78#else
79#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
80#endif
81#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
82#define CFG_MAXARGS 16 /* max number of command args */
83#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
84
85#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
86
87#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
88#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
89
90#define CFG_EXT_SERIAL_CLOCK 14745600 /* use external serial clock */
91
92/* The following table includes the supported baudrates */
93#define CFG_BAUDRATE_TABLE \
94 { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
95 57600, 115200, 230400, 460800, 921600 }
96
97#define CFG_LOAD_ADDR 0x100000 /* default load address */
98#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
99
100#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
101
102#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
103
104/*-----------------------------------------------------------------------
105 * Start addresses for the final memory configuration
106 * (Set up by the startup code)
107 * Please note that CFG_SDRAM_BASE _must_ start at 0
108 */
109#define CFG_SDRAM_BASE 0x00000000
110#define CFG_FLASH_BASE 0xFFFE0000
111#define CFG_MONITOR_BASE CFG_FLASH_BASE
112#define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128 kB for Monitor */
113#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
114
115/*
116 * For booting Linux, the board info and command line data
117 * have to be in the first 8 MB of memory, since this is
118 * the maximum mapped by the Linux kernel during initialization.
119 */
120#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
121/*-----------------------------------------------------------------------
122 * FLASH organization
123 */
124#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
125#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
126
127#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
128#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
129
130#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
131#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
132#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
133/*
134 * The following defines are added for buggy IOP480 byte interface.
135 * All other boards should use the standard values (CPCI405 etc.)
136 */
137#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
138#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
139#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
140
141#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
142
143#if 0 /* Use FLASH for environment variables */
144
145#define CFG_ENV_IS_IN_FLASH 1
146#define CFG_ENV_OFFSET 0x00010000 /* Offset of Environment Sector */
147#define CFG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
148
149#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
150
151#else /* Use EEPROM for environment variables */
152
153#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
154#define CFG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
155#define CFG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
156 /* total size of a CAT24WC08 is 1024 bytes */
157#endif
158
159/*-----------------------------------------------------------------------
160 * I2C EEPROM (CAT24WC08) for environment
161 */
162#define CONFIG_HARD_I2C /* I2C with hardware support */
163#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
164#define CFG_I2C_SLAVE 0x7F
165
166#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
167#define CFG_I2C_EEPROM_ADDR_LEN 1 /* bytes of address */
168/* mask of address bits that overflow into the "EEPROM chip address" */
169#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x07
170
171/*-----------------------------------------------------------------------
172 * Cache Configuration
173 */
174#define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */
175#define CFG_CACHELINE_SIZE 32 /* ... */
176#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
177#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
178#endif
179
180/*
181 * Init Memory Controller:
182 *
183 * BR0/1 and OR0/1 (FLASH)
184 */
185
186#define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
187#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
188
189/*-----------------------------------------------------------------------
190 * External Bus Controller (EBC) Setup
191 */
192
193/* Memory Bank 0 (Flash Bank 0) initialization */
194#define CFG_EBC_PB0AP 0x92015480
195#define CFG_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
196
197/* Memory Bank 1 (CAN/USB) initialization */
198#define CFG_EBC_PB1AP 0x010053C0 /* enable Ready, BEM=1 */
199#define CFG_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
200
201/* Memory Bank 2 (Misc-IO/LEDs) initialization */
202#define CFG_EBC_PB2AP 0x000004c0 /* no Ready, BEM=1 */
203#define CFG_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */
204
205/* Memory Bank 3 (CAN Features) initialization */
206#define CFG_EBC_PB3AP 0x80000040 /* no Ready, BEM=1 */
207#define CFG_EBC_PB3CR 0xF021C000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=32bit */
208
209/*-----------------------------------------------------------------------
210 * Definitions for initial stack pointer and data area (in RAM)
211 */
212#define CFG_INIT_RAM_ADDR 0x00ef0000 /* inside of SDRAM */
213#define CFG_INIT_RAM_END 0x0f00 /* End of used area in RAM */
214#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
215#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
216#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
217
218
219/*
220 * Internal Definitions
221 *
222 * Boot Flags
223 */
224#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
225#define BOOTFLAG_WARM 0x02 /* Software reboot */
226
227#endif /* __CONFIG_H */