xref: /openbmc/u-boot/tools/env/fw_env.h (revision 578ac1e9)
1 /*
2  * (C) Copyright 2002-2008
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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  * To build the utility with the static configuration
26  * comment out the next line.
27  * See included "fw_env.config" sample file
28  * for notes on configuration.
29  */
30 #define CONFIG_FILE     "/etc/fw_env.config"
31 
32 #define HAVE_REDUND /* For systems with 2 env sectors */
33 #define DEVICE1_NAME      "/dev/mtd1"
34 #define DEVICE2_NAME      "/dev/mtd2"
35 #define DEVICE1_OFFSET    0x0000
36 #define ENV1_SIZE         0x4000
37 #define DEVICE1_ESIZE     0x4000
38 #define DEVICE1_ENVSECTORS     2
39 #define DEVICE2_OFFSET    0x0000
40 #define ENV2_SIZE         0x4000
41 #define DEVICE2_ESIZE     0x4000
42 #define DEVICE2_ENVSECTORS     2
43 
44 #define CONFIG_BAUDRATE		115200
45 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
46 #define CONFIG_BOOTCOMMAND							\
47 	"bootp; "								\
48 	"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} "	\
49 	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "	\
50 	"bootm"
51 
52 extern int   fw_printenv(int argc, char *argv[]);
53 extern char *fw_getenv  (char *name);
54 extern int fw_setenv  (int argc, char *argv[]);
55 extern int fw_parse_script(char *fname);
56 extern int fw_env_open(void);
57 extern int fw_env_write(char *name, char *value);
58 extern int fw_env_close(void);
59 
60 extern unsigned	long  crc32	 (unsigned long, const unsigned char *, unsigned);
61