cc2538: Add driver for the rom utility function library

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>

cpu/cc2538/dev/rom-util.h

@@ -0,0 +1,130 @@
+/*
+ * Original file:
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ * All rights reserved.
+ *
+ * Port to Contiki:
+ * Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
+ * Benoît Thébaudeau <benoit.thebaudeau@advansee.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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 3. Neither the name of the copyright holder 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.
+ */
+/**
+ * \addtogroup cc2538
+ * @{
+ *
+ * \defgroup cc2538-rom-util cc2538 ROM utility function library
+ *
+ * Driver for the cc2538 ROM utility function library
+ * @{
+ *
+ * \file
+ * Header file for the cc2538 ROM utility function library driver
+ */
+#ifndef ROM_UTIL_H_
+#define ROM_UTIL_H_
+
+#include "contiki.h"
+
+#include <stddef.h>
+#include <stdint.h>
+/*---------------------------------------------------------------------------*/
+/** \name ROM utility function library API access table structure
+ * @{
+ */
+struct rom_util_api {
+  /** Calculate CRC32 over a given address range */
+  uint32_t (*crc32)(uint8_t *data, uint32_t byte_count);
+
+  /** Return the flash size */
+  uint32_t (*get_flash_size)(void);
+
+  /** Return the chip ID */
+  uint32_t (*get_chip_id)(void);
+
+  /** Erase flash pages */
+  int32_t (*page_erase)(uint32_t flash_addr, uint32_t size);
+
+  /** Program the flash */
+  int32_t (*program_flash)(uint32_t *ram_data, uint32_t flash_addr,
+                           uint32_t byte_count);
+
+  /** Perform a system reset of the SoC */
+  void (*reset_device)(void);
+
+  /** Set a memory area to a specified value */
+  void *(*memset)(void *s, int c, size_t n);
+
+  /** Copy data from one memory area to another */
+  void *(*memcpy)(void *dest, const void *src, size_t n);
+
+  /** Compare two memory areas */
+  int (*memcmp)(const void *s1, const void *s2, size_t n);
+
+  /** Move a block of data from one memory area to another */
+  void *(*memmove)(void *dest, const void *src, size_t n);
+};
+/** @} */
+/*---------------------------------------------------------------------------*/
+/** \name Pointer to the ROM utility function library API table
+ * @{
+ */
+#define ROM_UTIL_API            ((struct rom_util_api *)0x00000048)
+/** @} */
+/*---------------------------------------------------------------------------*/
+/** \name ROM utility function library API accessor macros
+ * @{
+ */
+#define rom_util_crc32(data, byte_count) \
+  (ROM_UTIL_API->crc32((data), (byte_count)))
+#define rom_util_get_flash_size() \
+  (ROM_UTIL_API->get_flash_size())
+#define rom_util_get_chip_id() \
+  (ROM_UTIL_API->get_chip_id())
+#define rom_util_page_erase(flash_addr, size) \
+  (ROM_UTIL_API->page_erase((flash_addr), (size)))
+#define rom_util_program_flash(ram_data, flash_addr, byte_count) \
+  (ROM_UTIL_API->program_flash((ram_data), (flash_addr), (byte_count)))
+#define rom_util_reset_device() \
+  (ROM_UTIL_API->reset_device())
+#define rom_util_memset(s, c, n) \
+  (ROM_UTIL_API->memset((s), (c), (n)))
+#define rom_util_memcpy(dest, src, n) \
+  (ROM_UTIL_API->memcpy((dest), (src), (n)))
+#define rom_util_memcmp(s1, s2, n) \
+  (ROM_UTIL_API->memcmp((s1), (s2), (n)))
+#define rom_util_memmove(dest, src, n) \
+  (ROM_UTIL_API->memmove((dest), (src), (n)))
+/** @} */
+
+#endif /* ROM_UTIL_H_ */
+
+/**
+ * @}
+ * @}
+ */