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wdenkbd1575f2003-10-14 19:43:55 +00001/*
2 * (C) Copyright 2003
3 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
4 *
5 * Configuation settings for the IXDP425 board.
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26#ifndef __CONFIG_H
27#define __CONFIG_H
28
29/*
30 * High Level Configuration Options
31 * (easy to change)
32 */
33#define CONFIG_IXP425 1 /* This is an IXP425 CPU */
34#define CONFIG_IXDP425 1 /* on an IXDP425 Board */
35
36/***************************************************************
37 * U-boot generic defines start here.
38 ***************************************************************/
39
40/*
41 * If we are developing, we might want to start armboot from ram
42 * so we MUST NOT initialize critical regs like mem-timing ...
43 */
44#define CONFIG_INIT_CRITICAL /* undef for developing */
45
46#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
47
48/*
49 * Size of malloc() pool
50 */
51#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
wdenk927034e2004-02-08 19:38:38 +000052#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
wdenkbd1575f2003-10-14 19:43:55 +000053
54/* allow to overwrite serial and ethaddr */
55#define CONFIG_ENV_OVERWRITE
56
57#define CONFIG_BAUDRATE 115200
58
59#define CONFIG_COMMANDS (CONFIG_CMD_DFL & ~CFG_CMD_NET)
60
61/* This must be included AFTER the definition of CONFIG_COMMANDS (if any) */
62/* These are u-boot generic parameters */
63#include <cmd_confdefs.h>
64
65#define CONFIG_BOOTDELAY 3
66#define CONFIG_ETHADDR 08:00:3e:26:0a:5b
67#define CONFIG_NETMASK 255.255.0.0
68#define CONFIG_IPADDR 192.168.0.21
69#define CONFIG_SERVERIP 192.168.0.250
70#define CONFIG_BOOTCOMMAND "bootm 50040000"
71#define CONFIG_BOOTARGS "root=/dev/mtdblock2 rootfstype=cramfs console=ttyS0,115200"
wdenk9c53f402003-10-15 23:53:47 +000072#define CONFIG_CMDLINE_TAG
wdenkbd1575f2003-10-14 19:43:55 +000073
74#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
75#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
76#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
77#endif
78
79/*
80 * Miscellaneous configurable options
81 */
82#define CFG_LONGHELP /* undef to save memory */
83#define CFG_PROMPT "=> " /* Monitor Command Prompt */
84#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
85#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
86#define CFG_MAXARGS 16 /* max number of command args */
87#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
88
89#define CFG_MEMTEST_START 0x00400000 /* memtest works on */
90#define CFG_MEMTEST_END 0x00800000 /* 4 ... 8 MB in DRAM */
91
92#undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
93
94#define CFG_LOAD_ADDR 0x00010000 /* default load address */
95
96#define CFG_HZ 3333333 /* spec says 66.666 MHz, but it appears to be 33 */
wdenk9c53f402003-10-15 23:53:47 +000097 /* valid baudrates */
wdenkbd1575f2003-10-14 19:43:55 +000098#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
99
100/*
101 * Stack sizes
102 *
103 * The stack sizes are set up in start.S using the settings below
104 */
105#define CONFIG_STACKSIZE (128*1024) /* regular stack */
106#ifdef CONFIG_USE_IRQ
107#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
108#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
109#endif
110
111/***************************************************************
112 * Platform/Board specific defines start here.
113 ***************************************************************/
114
115/*
116 * Hardware drivers
117 */
118
119
120/*
121 * select serial console configuration
122 */
123#define CFG_IXP425_CONSOLE IXP425_UART1 /* we use UART1 for console */
124
125/*
126 * Physical Memory Map
127 */
128#define CONFIG_NR_DRAM_BANKS 1 /* we have 2 banks of DRAM */
129#define PHYS_SDRAM_1 0x00000000 /* SDRAM Bank #1 */
130#define PHYS_SDRAM_1_SIZE 0x01000000 /* 16 MB */
131
132#define PHYS_FLASH_1 0x50000000 /* Flash Bank #1 */
133#define PHYS_FLASH_SIZE 0x00800000 /* 8 MB */
134#define PHYS_FLASH_BANK_SIZE 0x00800000 /* 8 MB Banks */
135#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 128 KB sectors (x1) */
136
137#define CFG_DRAM_BASE 0x00000000
138#define CFG_DRAM_SIZE 0x01000000
139
140#define CFG_FLASH_BASE PHYS_FLASH_1
141
142/*
143 * Expansion bus settings
144 */
145#define CFG_EXP_CS0 0xbcd23c42
146
147/*
148 * SDRAM settings
149 */
150#define CFG_SDR_CONFIG 0xd
151#define CFG_SDRAM_REFRESH_CNT 0x81a
152
153/*
154 * GPIO settings
155 */
156
157/*
158 * FLASH and environment organization
159 */
160#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
161#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
162
163/* timeout values are in ticks */
164#define CFG_FLASH_ERASE_TOUT (25*CFG_HZ) /* Timeout for Flash Erase */
165#define CFG_FLASH_WRITE_TOUT (25*CFG_HZ) /* Timeout for Flash Write */
166
167/* FIXME */
168#define CFG_ENV_IS_IN_FLASH 1
169#define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x20000) /* Addr of Environment Sector */
170#define CFG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */
171
172#endif /* __CONFIG_H */