xref: /openbmc/u-boot/tools/env/fw_env.h (revision 909bd6d9)
1 /*
2  * (C) Copyright 2002-2008
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 /* Pull in the current config to define the default environment */
9 #ifndef __ASSEMBLY__
10 #define __ASSEMBLY__ /* get only #defines from config.h */
11 #include <config.h>
12 #undef	__ASSEMBLY__
13 #else
14 #include <config.h>
15 #endif
16 #include <generated/autoconf.h>
17 
18 /*
19  * To build the utility with the static configuration
20  * comment out the next line.
21  * See included "fw_env.config" sample file
22  * for notes on configuration.
23  */
24 #define CONFIG_FILE     "/etc/fw_env.config"
25 
26 #ifndef CONFIG_FILE
27 #define HAVE_REDUND /* For systems with 2 env sectors */
28 #define DEVICE1_NAME      "/dev/mtd1"
29 #define DEVICE2_NAME      "/dev/mtd2"
30 #define DEVICE1_OFFSET    0x0000
31 #define ENV1_SIZE         0x4000
32 #define DEVICE1_ESIZE     0x4000
33 #define DEVICE1_ENVSECTORS     2
34 #define DEVICE2_OFFSET    0x0000
35 #define ENV2_SIZE         0x4000
36 #define DEVICE2_ESIZE     0x4000
37 #define DEVICE2_ENVSECTORS     2
38 #endif
39 
40 #ifndef CONFIG_BAUDRATE
41 #define CONFIG_BAUDRATE		115200
42 #endif
43 
44 #ifndef CONFIG_BOOTDELAY
45 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
46 #endif
47 
48 #ifndef CONFIG_BOOTCOMMAND
49 #define CONFIG_BOOTCOMMAND							\
50 	"bootp; "								\
51 	"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} "	\
52 	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "	\
53 	"bootm"
54 #endif
55 
56 extern int   fw_printenv(int argc, char *argv[]);
57 extern char *fw_getenv  (char *name);
58 extern int fw_setenv  (int argc, char *argv[]);
59 extern int fw_parse_script(char *fname);
60 extern int fw_env_open(void);
61 extern int fw_env_write(char *name, char *value);
62 extern int fw_env_close(void);
63 
64 extern unsigned	long  crc32	 (unsigned long, const unsigned char *, unsigned);
65