env: split fw_env.h in public and private parts

Move U-Boot private data into a separate file. This
lets export fw_env.h to be used by external programs
that want to change the environment using the library
built in tools/env.

Signed-off-by: Stefano Babic <sbabic@denx.de>
diff --git a/tools/env/fw_env_private.h b/tools/env/fw_env_private.h
new file mode 100644
index 0000000..0c27da0
--- /dev/null
+++ b/tools/env/fw_env_private.h
@@ -0,0 +1,55 @@
+/*
+ * (C) Copyright 2002-2008
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/* Pull in the current config to define the default environment */
+#include <linux/kconfig.h>
+
+#ifndef __ASSEMBLY__
+#define __ASSEMBLY__ /* get only #defines from config.h */
+#include <config.h>
+#undef	__ASSEMBLY__
+#else
+#include <config.h>
+#endif
+
+/*
+ * To build the utility with the static configuration
+ * comment out the next line.
+ * See included "fw_env.config" sample file
+ * for notes on configuration.
+ */
+#define CONFIG_FILE     "/etc/fw_env.config"
+
+#ifndef CONFIG_FILE
+#define HAVE_REDUND /* For systems with 2 env sectors */
+#define DEVICE1_NAME      "/dev/mtd1"
+#define DEVICE2_NAME      "/dev/mtd2"
+#define DEVICE1_OFFSET    0x0000
+#define ENV1_SIZE         0x4000
+#define DEVICE1_ESIZE     0x4000
+#define DEVICE1_ENVSECTORS     2
+#define DEVICE2_OFFSET    0x0000
+#define ENV2_SIZE         0x4000
+#define DEVICE2_ESIZE     0x4000
+#define DEVICE2_ENVSECTORS     2
+#endif
+
+#ifndef CONFIG_BAUDRATE
+#define CONFIG_BAUDRATE		115200
+#endif
+
+#ifndef CONFIG_BOOTDELAY
+#define CONFIG_BOOTDELAY	5	/* autoboot after 5 seconds	*/
+#endif
+
+#ifndef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND						\
+	"bootp; "							\
+	"setenv bootargs root=/dev/nfs nfsroot=${serverip}:${rootpath} "\
+	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "\
+	"bootm"
+#endif