MLK-18591-2 crypto: caam: Add fsl caam driver

Add the fsl CAAM driver and new commands to implement DEK blob operations,
like "caam genblob" to generate encrypted blob and "caam decap" to output
orignal plain data.

Signed-off-by: Ye Li <ye.li@nxp.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/include/fsl_caam.h b/include/fsl_caam.h
new file mode 100644
index 0000000000..e3ad6b8a30
--- /dev/null
+++ b/include/fsl_caam.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2012-2016, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, 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 IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CAAM_H__
+#define	__CAAM_H__
+
+//! @name Error codes
+//@{
+#if !defined(SUCCESS)
+#define SUCCESS (0)
+#endif
+
+#define ERROR_IN_PAGE_ALLOC (1)
+
+
+////////////////////////////////////////////////////////////////////////////////
+//! @brief Enable and initialize the CAAM driver.
+//!
+//! This function enables the clock to the CAAM. It initializes the RNG, and
+//! instantiate it to allow generation of key for blob.
+//!
+////////////////////////////////////////////////////////////////////////////////
+void caam_open(void);
+
+////////////////////////////////////////////////////////////////////////////////
+//! @brief Generate a blob of a secure key.
+//!
+//! @param[in] plain_data_addr  Location address of the plain text data.
+//! @param[in] blob_addr  Location address of the blob.
+//! @param[in] size  	Size in bytes of the data to encrypt.
+//!
+//! @return SUCCESS
+//! @return ERROR_XXX
+////////////////////////////////////////////////////////////////////////////////
+uint32_t caam_gen_blob(uint32_t plain_data_addr, uint32_t blob_addr, uint32_t size);
+
+////////////////////////////////////////////////////////////////////////////////
+//! @brief Decapsulate a blob of a secure key.
+//!
+//! @param[in] blob_addr  Location address of the blob.
+//!
+//! @return SUCCESS
+//! @return ERROR_XXX
+////////////////////////////////////////////////////////////////////////////////
+uint32_t caam_decap_blob(uint32_t plain_text, uint32_t blob_addr, uint32_t size);
+uint32_t caam_hwrng(uint8_t *output_ptr, uint32_t output_len);
+
+#endif /* __CAAM_H__ */