xref: /openbmc/u-boot/tools/env/fw_env.h (revision 83bf0057)
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 #include <linux/kconfig.h>
10 
11 #ifndef __ASSEMBLY__
12 #define __ASSEMBLY__ /* get only #defines from config.h */
13 #include <config.h>
14 #undef	__ASSEMBLY__
15 #else
16 #include <config.h>
17 #endif
18 
19 /*
20  * To build the utility with the static configuration
21  * comment out the next line.
22  * See included "fw_env.config" sample file
23  * for notes on configuration.
24  */
25 #define CONFIG_FILE     "/etc/fw_env.config"
26 
27 #ifndef CONFIG_FILE
28 #define HAVE_REDUND /* For systems with 2 env sectors */
29 #define DEVICE1_NAME      "/dev/mtd1"
30 #define DEVICE2_NAME      "/dev/mtd2"
31 #define DEVICE1_OFFSET    0x0000
32 #define ENV1_SIZE         0x4000
33 #define DEVICE1_ESIZE     0x4000
34 #define DEVICE1_ENVSECTORS     2
35 #define DEVICE2_OFFSET    0x0000
36 #define ENV2_SIZE         0x4000
37 #define DEVICE2_ESIZE     0x4000
38 #define DEVICE2_ENVSECTORS     2
39 #endif
40 
41 #ifndef CONFIG_BAUDRATE
42 #define CONFIG_BAUDRATE		115200
43 #endif
44 
45 #ifndef CONFIG_BOOTDELAY
46 #define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
47 #endif
48 
49 #ifndef CONFIG_BOOTCOMMAND
50 #define CONFIG_BOOTCOMMAND							\
51 	"bootp; "								\
52 	"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} "	\
53 	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "	\
54 	"bootm"
55 #endif
56 
57 extern int   fw_printenv(int argc, char *argv[]);
58 extern char *fw_getenv  (char *name);
59 extern int fw_setenv  (int argc, char *argv[]);
60 extern int fw_parse_script(char *fname);
61 extern int fw_env_open(void);
62 extern int fw_env_write(char *name, char *value);
63 extern int fw_env_close(void);
64 
65 extern unsigned	long  crc32	 (unsigned long, const unsigned char *, unsigned);
66