blob: 99e0a4bd25f5629d578a144f8f697e419995adeb [file] [log] [blame]
wdenkda27dcf2002-09-10 19:19:06 +00001/*
2 * (C) Copyright 2000
3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
5 *
6 * Configuation settings for the implementa impA7 board.
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#ifndef __CONFIG_H
28#define __CONFIG_H
29
30/*
31 * If we are developing, we might want to start armboot from ram
32 * so we MUST NOT initialize critical regs like mem-timing ...
33 */
34#define CONFIG_INIT_CRITICAL /* undef for developing */
35
36/*
37 * High Level Configuration Options
38 * (easy to change)
39 */
40#define CONFIG_ARM7 1 /* This is a ARM7 CPU */
41#define CONFIG_IMPA7 1 /* on an impA7 Board */
42#define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
43#define CONFIG_ARM7_REVD 1 /* enable ARM720 REV.D Workarounds */
44
45#undef CONFIG_USE_IRQ /* don't need them anymore */
46
47/*
48 * Size of malloc() pool
49 */
50#define CONFIG_MALLOC_SIZE (CFG_ENV_SIZE + 128*1024)
51
52/*
53 * Hardware drivers
54 */
55#define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
56#define CS8900_BASE 0x20000000
57#define CS8900_BUS32 1
58
59/*
60 * select serial console configuration
61 */
62#define CONFIG_SERIAL1 1 /* we use Serial line 1 */
63
64/* allow to overwrite serial and ethaddr */
65#define CONFIG_ENV_OVERWRITE
66
67#define CONFIG_BAUDRATE 9600
68
69#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
70
71#define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_JFFS2)
72
73/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
74#include <cmd_confdefs.h>
75
76#define CONFIG_BOOTDELAY 3
77#define CONFIG_BOOTARGS "devfs=mount root=ramfs console=ttyS0,9600"
78/*#define CONFIG_ETHADDR 08:00:3e:26:0a:5a */
79/*#define CONFIG_NETMASK 255.255.0.0 */
80/*#define CONFIG_IPADDR 172.22.2.128 */
81/*#define CONFIG_SERVERIP 172.22.2.126 */
82/*#define CONFIG_BOOTFILE "impa7" */
83#define CONFIG_BOOTCOMMAND "bootp;bootm"
84
85#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
86#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
87#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
88#endif
89
90/*
91 * Miscellaneous configurable options
92 */
93#define CFG_LONGHELP /* undef to save memory */
94#define CFG_PROMPT "impA7 # " /* Monitor Command Prompt */
95#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
96#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
97#define CFG_MAXARGS 16 /* max number of command args */
98#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
99
100#define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
101#define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
102
103#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
104
105#define CFG_LOAD_ADDR 0xc1000000 /* default load address */
106
107#define CFG_HZ 2000 /* decrementer freq: 2 kHz */
108
109 /* valid baudrates */
110#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
111
112/*-----------------------------------------------------------------------
113 * Stack sizes
114 *
115 * The stack sizes are set up in start.S using the settings below
116 */
117#define CONFIG_STACKSIZE (128*1024) /* regular stack */
118#ifdef CONFIG_USE_IRQ
119#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
120#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
121#endif
122
123/*-----------------------------------------------------------------------
124 * Physical Memory Map
125 */
126#define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */
127#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
128#define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */
129#define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */
130#define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */
131
132#define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
133#define PHYS_FLASH_2 0x10000000 /* Flash Bank #2 */
134#define PHYS_FLASH_SIZE 0x00800000 /* 16 MB */
135
136#define CFG_FLASH_BASE PHYS_FLASH_1
137
138/*-----------------------------------------------------------------------
139 * FLASH and environment organization
140 */
141#define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
142#define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
143
144/* timeout values are in ticks */
145#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
146#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
147
148#define CFG_ENV_IS_IN_FLASH 1
149#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
150#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
151
152/* Flash banks JFFS2 should use */
153#define CFG_JFFS2_FIRST_BANK 0
154#define CFG_JFFS2_FIRST_SECTOR 8
155#define CFG_JFFS2_NUM_BANKS 2
156
157#endif /* __CONFIG_H */