--- /dev/null
+/*
+ * Generic PROM routines
+ *
+ * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/string.h>
+
+#include <asm/bootinfo.h>
+
+#include <prom/generic.h>
+
+static int *_prom_argc;
+static char **_prom_argv;
+static char **_prom_envp;
+
+char *generic_prom_getenv(char *envname)
+{
+ char **env;
+ char *ret;
+
+ ret = NULL;
+ for (env = _prom_envp; *env != NULL; env++) {
+ if (strcmp(envname, *env++) == 0) {
+ ret = *env;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+int generic_prom_present(void)
+{
+ _prom_argc = (int *)fw_arg0;
+ _prom_argv = (char **)fw_arg1;
+ _prom_envp = (char **)fw_arg2;
+
+ return 1;
+}