3 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
4 * Marius Groeger <mgroeger@sysgo.de>
6 * Configuation settings for the implementa impA7 board.
8 * See file CREDITS for list of people who contributed to this
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.
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.
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,
31 * High Level Configuration Options
34 #define CONFIG_ARM7 1 /* This is a ARM7 CPU */
35 #define CONFIG_IMPA7 1 /* on an impA7 Board */
36 #define CONFIG_ARM_THUMB 1 /* this is an ARM720TDMI */
37 #define CONFIG_ARM7_REVD 1 /* enable ARM720 REV.D Workarounds */
39 #undef CONFIG_USE_IRQ /* don't need them anymore */
42 * Size of malloc() pool
44 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128*1024)
45 #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
50 #define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
51 #define CS8900_BASE 0x20000000
52 #define CS8900_BUS32 1
55 * select serial console configuration
57 #define CONFIG_SERIAL1 1 /* we use Serial line 1 */
59 /* allow to overwrite serial and ethaddr */
60 #define CONFIG_ENV_OVERWRITE
62 #define CONFIG_BAUDRATE 9600
64 #define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT|CONFIG_BOOTP_BOOTFILESIZE)
66 #define CONFIG_COMMANDS (CONFIG_CMD_DFL | CFG_CMD_JFFS2)
68 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
69 #include <cmd_confdefs.h>
71 #define CONFIG_BOOTDELAY 3
72 #define CONFIG_BOOTARGS "devfs=mount root=ramfs console=ttyS0,9600"
73 /*#define CONFIG_ETHADDR 08:00:3e:26:0a:5a */
74 /*#define CONFIG_NETMASK 255.255.0.0 */
75 /*#define CONFIG_IPADDR 172.22.2.128 */
76 /*#define CONFIG_SERVERIP 172.22.2.126 */
77 /*#define CONFIG_BOOTFILE "impa7" */
78 #define CONFIG_BOOTCOMMAND "bootp;bootm"
80 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
81 #define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
82 #define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
86 * Miscellaneous configurable options
88 #define CFG_LONGHELP /* undef to save memory */
89 #define CFG_PROMPT "impA7 # " /* Monitor Command Prompt */
90 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */
91 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
92 #define CFG_MAXARGS 16 /* max number of command args */
93 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
95 #define CFG_MEMTEST_START 0xc0400000 /* memtest works on */
96 #define CFG_MEMTEST_END 0xc0800000 /* 4 ... 8 MB in DRAM */
98 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */
100 #define CFG_LOAD_ADDR 0xc1000000 /* default load address */
102 #define CFG_HZ 2000 /* decrementer freq: 2 kHz */
104 /* valid baudrates */
105 #define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
107 /*-----------------------------------------------------------------------
110 * The stack sizes are set up in start.S using the settings below
112 #define CONFIG_STACKSIZE (128*1024) /* regular stack */
113 #ifdef CONFIG_USE_IRQ
114 #define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
115 #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
118 /*-----------------------------------------------------------------------
119 * Physical Memory Map
121 #define CONFIG_NR_DRAM_BANKS 2 /* we have 2 banks of DRAM */
122 #define PHYS_SDRAM_1 0xc0000000 /* SDRAM Bank #1 */
123 #define PHYS_SDRAM_1_SIZE 0x00800000 /* 8 MB */
124 #define PHYS_SDRAM_2 0xc1000000 /* SDRAM Bank #2 */
125 #define PHYS_SDRAM_2_SIZE 0x00800000 /* 8 MB */
127 #define PHYS_FLASH_1 0x00000000 /* Flash Bank #1 */
128 #define PHYS_FLASH_2 0x10000000 /* Flash Bank #2 */
129 #define PHYS_FLASH_SIZE 0x00800000 /* 16 MB */
131 #define CFG_FLASH_BASE PHYS_FLASH_1
133 /*-----------------------------------------------------------------------
134 * FLASH and environment organization
136 #define CFG_MAX_FLASH_BANKS 2 /* max number of memory banks */
137 #define CFG_MAX_FLASH_SECT 71 /* max number of sectors on one chip */
139 /* timeout values are in ticks */
140 #define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
141 #define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
143 #define CFG_ENV_IS_IN_FLASH 1
144 #define CFG_ENV_ADDR (PHYS_FLASH_1 + 0x1C000) /* Addr of Environment Sector */
145 #define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
151 /* No command line, one static partition, whole device */
152 #undef CONFIG_JFFS2_CMDLINE
153 #define CONFIG_JFFS2_DEV "nor0"
154 #define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
155 #define CONFIG_JFFS2_PART_OFFSET 0x00020000
157 /* mtdparts command line support */
159 #define CONFIG_JFFS2_CMDLINE
160 #define MTDIDS_DEFAULT "nor0=impA7 NOR Flash Bank #0,nor1=impA7 NOR Flash Bank #1"
161 #define MTDPARTS_DEFAULT "mtdparts=impA7 NOR Flash Bank #0:-(FileSystem1);impA7 NOR Flash Bank #1:-(FileSystem2)"
164 #endif /* __CONFIG_H */