soc/cavium: import raw BDK sources

This imports common BDK sources that will be used in subsequent
patches.
The BDK is licensed under BSD and will be reduced in size and optimized to
compile under coreboot.

Change-Id: Icb32ee670d9fa9e5c10f9abb298cebf616fa67ad
Signed-off-by: David Hendricks <dhendricks@fb.com>
Reviewed-on: https://review.coreboot.org/25524
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/vendorcode/cavium/include/bdk/libbdk-trust/bdk-signed.h b/src/vendorcode/cavium/include/bdk/libbdk-trust/bdk-signed.h
new file mode 100644
index 0000000000..601291c4bb
--- /dev/null
+++ b/src/vendorcode/cavium/include/bdk/libbdk-trust/bdk-signed.h
@@ -0,0 +1,94 @@
+/***********************license start***********************************
+* Copyright (c) 2003-2017  Cavium Inc. (support@cavium.com). All rights
+* reserved.
+*
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+*
+*   * Redistributions of source code must retain the above copyright
+*     notice, this list of conditions and the following disclaimer.
+*
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*
+*   * Neither the name of Cavium Inc. nor the names of
+*     its contributors may be used to endorse or promote products
+*     derived from this software without specific prior written
+*     permission.
+*
+* This Software, including technical data, may be subject to U.S. export
+* control laws, including the U.S. Export Administration Act and its
+* associated regulations, and may be subject to export or import
+* regulations in other countries.
+*
+* TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+* AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
+* WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT
+* TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
+* REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
+* DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
+* OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
+* PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT,
+* QUIET POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK
+* ARISING OUT OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+***********************license end**************************************/
+
+/**
+ * @file
+ *
+ * Utility functions handling signed nad possibly encrypted files
+ *
+ * @defgroup signed Signed File IO
+ * @{
+ */
+
+/**
+ * Enumeration representing the possible data types in a signed file
+ */
+typedef enum
+{
+    BDK_SIGNED_IMAGE,   /* BDK code image */
+    BDK_SIGNED_DTS,     /* Device tree file */
+    BDK_SIGNED_PUB_KEY, /* Chain of trust public key, BDK proprietary format */
+} bdk_signed_data_t;
+
+/**
+ * Flags to pass to bdk_signed functions
+ */
+typedef enum
+{
+    BDK_SIGNED_FLAG_NONE = 0,               /* Good for most files. Verfies as needed for trusted boot */
+    BDK_SIGNED_FLAG_NOT_ENCRYPTED = 1 << 1, /* The file is not encrypted, even with trusted boot */
+    BDK_SIGNED_FLAG_ALLOW_UNSIGNED = 1 << 2,/* File is not signed, even with trusted boot */
+} bdk_signed_flags_t;
+
+/**
+ * Load a file and verify its signature. If the file is encrypted, it is
+ * decrypted. If the file is compressed, it is decompressed.
+ *
+ * @param filename  File to load
+ * @param loc       Offset into file for image. This is normally zero for normal files. Device
+ *                  files, such as /dev/mem, will use this to locate the image.
+ * @param data_type Type of data in the file, enumerated by bdk_signed_data_t. This is required
+ *                  so the code can determine the file size before loading the whole file.
+ * @param flags     Flags for controlling file loading
+ * @param filesize  Set the size of the file if the file is loaded properly. If load fails, set to
+ *                  zero.
+ *
+ * @return Pointer to the data from the file, or NULL on failure
+ */
+extern void *bdk_signed_load(const char *filename, uint64_t loc,
+    bdk_signed_data_t data_type, bdk_signed_flags_t flags, uint64_t *filesize);
+
+/**
+ * Load the BDK's public signing key, which is signed by the Root of Trust
+ *
+ * @return Zero on success, negative on failure
+ */
+extern int bdk_signed_load_public(void);
+
+/** @} */