tools/env/fw_env.h

   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);