xref: /openbmc/u-boot/tools/env/fw_env.h (revision e77e65df)
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 
17 /*
18  * To build the utility with the static configuration
19  * comment out the next line.
20  * See included "fw_env.config" sample file
21  * for notes on configuration.
22  */
23 #define CONFIG_FILE     "/etc/fw_env.config"
24 
25 #ifndef CONFIG_FILE
26 #define HAVE_REDUND /* For systems with 2 env sectors */
27 #define DEVICE1_NAME      "/dev/mtd1"
28 #define DEVICE2_NAME      "/dev/mtd2"
29 #define DEVICE1_OFFSET    0x0000
30 #define ENV1_SIZE         0x4000
31 #define DEVICE1_ESIZE     0x4000
32 #define DEVICE1_ENVSECTORS     2
33 #define DEVICE2_OFFSET    0x0000
34 #define ENV2_SIZE         0x4000
35 #define DEVICE2_ESIZE     0x4000
36 #define DEVICE2_ENVSECTORS     2
37 #endif
38 
39 #ifndef CONFIG_BAUDRATE
40 #define CONFIG_BAUDRATE		115200
41 #endif
42 
43 #ifndef CONFIG_BOOTDELAY
44 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
45 #endif
46 
47 #ifndef CONFIG_BOOTCOMMAND
48 #define CONFIG_BOOTCOMMAND							\
49 	"bootp; "								\
50 	"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} "	\
51 	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "	\
52 	"bootm"
53 #endif
54 
55 extern int   fw_printenv(int argc, char *argv[]);
56 extern char *fw_getenv  (char *name);
57 extern int fw_setenv  (int argc, char *argv[]);
58 extern int fw_parse_script(char *fname);
59 extern int fw_env_open(void);
60 extern int fw_env_write(char *name, char *value);
61 extern int fw_env_close(void);
62 
63 extern unsigned	long  crc32	 (unsigned long, const unsigned char *, unsigned);
64