1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/boards/x86_generic/disk_bios_drive.c b/arch/x86/boards/x86_generic/disk_bios_drive.c
new file mode 100644
index 0000000000..f33f48c3fb
--- /dev/null
+++ b/arch/x86/boards/x86_generic/disk_bios_drive.c
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2009 Juergen Beisert, Pengutronix
+ *
+ * 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.
+ *
+ *
+ */
+
+/**
+ * @file
+ * @brief Generic PC support for the BIOS disk interface
+ */
+
+#include <common.h>
+#include <driver.h>
+#include <init.h>
+#include <linux/err.h>
+#include "envsector.h"
+
+static int bios_disk_init(void)
+{
+	struct cdev *cdev;
+
+	add_generic_device("biosdrive", DEVICE_ID_DYNAMIC, NULL, 0, 0,
+			   IORESOURCE_MEM, NULL);
+
+	if (pers_env_size != PATCH_AREA_PERS_SIZE_UNUSED) {
+		cdev = devfs_add_partition("biosdisk0",
+				pers_env_storage * 512,
+				(unsigned)pers_env_size * 512,
+				DEVFS_PARTITION_FIXED, "env0");
+		printf("Partition: %ld\n", IS_ERR(cdev) ? PTR_ERR(cdev) : 0);
+	} else
+		printf("No persistent storage defined\n");
+
+	return 0;
+}
+device_initcall(bios_disk_init);