Add stub implementations for the vbexport functions that access NV storage

These are now board specific functions which need x86 specific
implementations.

BUG=chrome-os-partner:4552
TEST=Built and booted u-boot on an Alex.

Change-Id: I0d3365559df19128fc2b900c4e0b3380b4fbe51c
Signed-off-by: Gabe Black <gabeblack@google.com>
Reviewed-on: http://gerrit.chromium.org/gerrit/4772
Tested-by: Gabe Black <gabeblack@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>

2 files changed, 58 insertions, 0 deletions

diff --git a/board/chromebook-x86/vbexport/Makefile b/board/chromebook-x86/vbexport/Makefile
new file mode 100644
index 00000000000..327f0b2e41b
--- /dev/null
+++ b/board/chromebook-x86/vbexport/Makefile
@@ -0,0 +1,30 @@
+#
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Alternatively, this software may be distributed under the terms of the
+# GNU General Public License ("GPL") version 2 as published by the Free
+# Software Foundation.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)libvbexport_board.a
+
+COBJS-$(CONFIG_CHROMEOS_VBEXPORT) += nvstorage.o
+
+COBJS	:= $(COBJS-y)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/chromebook-x86/vbexport/nvstorage.c b/board/chromebook-x86/vbexport/nvstorage.c
new file mode 100644
index 00000000000..bf9dfc0cd13
--- /dev/null
+++ b/board/chromebook-x86/vbexport/nvstorage.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ */
+
+#include <common.h>
+
+/* Import the header files from vboot_reference. */
+#include <vboot_api.h>
+
+#define PREFIX		"nvstorage: "
+
+VbError_t VbExNvStorageRead(uint8_t* buf)
+{
+	printf("VbExNvStorageRead used but not implemented.\n");
+	return 1;
+}
+
+VbError_t VbExNvStorageWrite(const uint8_t* buf)
+{
+	printf("VbExNvStorageWrite used but not implemented.\n");
+	return 1;
+}