1 files changed, 79 insertions, 0 deletions
diff --git a/common/env_remote.c b/common/env_remote.c
new file mode 100644
index 000000000..3bf0f957b
--- /dev/null
+++ b/common/env_remote.c
@@ -0,0 +1,79 @@
+/*
+ * (C) Copyright 2011-2012 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* #define DEBUG */
+
+#include <common.h>
+#include <command.h>
+#include <environment.h>
+#include <linux/stddef.h>
+
+char *env_name_spec = "Remote";
+
+#ifdef ENV_IS_EMBEDDED
+env_t *env_ptr = &environment;
+#else /* ! ENV_IS_EMBEDDED */
+env_t *env_ptr = (env_t *)CONFIG_ENV_ADDR;
+#endif /* ENV_IS_EMBEDDED */
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if !defined(CONFIG_ENV_OFFSET)
+#define CONFIG_ENV_OFFSET 0
+#endif
+
+uchar env_get_char_spec(int index)
+{
+	return *((uchar *)(gd->env_addr + index));
+}
+
+int env_init(void)
+{
+	if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
+		gd->env_addr = (ulong)&(env_ptr->data);
+		gd->env_valid = 1;
+		return 0;
+	}
+
+	gd->env_addr = (ulong)default_environment;
+	gd->env_valid = 0;
+	return 0;
+}
+
+#ifdef CONFIG_CMD_SAVEENV
+int saveenv(void)
+{
+#ifdef CONFIG_SRIOBOOT_SLAVE
+	printf("Can not support the 'saveenv' when boot from SRIO!\n");
+	return 1;
+#else
+	return 0;
+#endif
+}
+#endif /* CONFIG_CMD_SAVEENV */
+
+void env_relocate_spec(void)
+{
+#ifndef ENV_IS_EMBEDDED
+	env_import((char *)env_ptr, 1);
+#endif
+}