adm5120: move files to files-3.8
[openwrt/svn-archive/archive.git] / target / linux / adm5120 / files-3.8 / arch / mips / adm5120 / prom / generic.c
diff --git a/target/linux/adm5120/files-3.8/arch/mips/adm5120/prom/generic.c b/target/linux/adm5120/files-3.8/arch/mips/adm5120/prom/generic.c
new file mode 100644 (file)
index 0000000..4d4caa8
--- /dev/null
@@ -0,0 +1,47 @@
+/*
+ *  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;
+}