1 files changed, 73 insertions, 0 deletions
diff --git a/init_global_shared_mem/init_global_shared_mem.c b/init_global_shared_mem/init_global_shared_mem.c
new file mode 100644
index 0000000..b511afd
--- /dev/null
+++ b/init_global_shared_mem/init_global_shared_mem.c
@@ -0,0 +1,73 @@
+/******************************************************************************
+ * Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.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 Texas Instruments Incorporated 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 OWNER 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.
+ *****************************************************************************/
+#include <string.h>
+#include <stdio.h>
+#include "stdint.h"
+#include "pciedrv.h"
+#include "cmem_drv.h"
+
+int main()
+{
+    cmem_host_buf_desc_t   buf_desc[32];
+    uint32_t               dsp_start_addr;
+    int                    size_of_buffer = 0x400000;
+
+    int ret = cmem_drv_open();
+    if (ret) { printf("\nERROR: dma mem driver open failed \n"); return(-1); }
+
+    ret = cmem_drv_alloc(0, size_of_buffer, HOST_BUF_TYPE_PERSISTENT, buf_desc);
+    if (ret) { printf("ERROR: contiguous memory alloc failed\n"); return -1; }
+
+    /*-------------------------------------------------------------------------
+    * configuration for pcie driver
+    *------------------------------------------------------------------------*/
+    pciedrv_open_config_t pciedrv_open_config;
+    memset(&pciedrv_open_config, 0 , sizeof(pciedrv_open_config_t));
+    pciedrv_open_config.dsp_outbound_block_size = size_of_buffer;
+
+    ret = pciedrv_open(&pciedrv_open_config);
+    if (ret) { printf("ERROR: pciedrv could not opened\n"); return -1; }
+
+    /*-------------------------------------------------------------------------
+    * Allocate dsp memory range
+    *------------------------------------------------------------------------*/
+    ret = pciedrv_dsp_memrange_alloc(0, 0,  &dsp_start_addr);
+    if (ret) { printf("ERROR: memrange alloc failed \n"); return -1; }
+
+    /*-------------------------------------------------------------------------
+    * Map host buffer to dsp memory range
+    *------------------------------------------------------------------------*/
+    ret = pciedrv_map_hostbufs_to_dsp_memrange(0, 0, buf_desc, dsp_start_addr);
+    if (ret) { printf("ERROR: map dsp mem range failed \n"); return -1; }
+
+    ret = cmem_drv_close();
+    if (ret) { printf("ERROR: dma mem driver could not closed\n"); return -1; }
+
+    ret = pciedrv_close();
+    if (ret) { printf("ERROR: pciedrv could not closed\n"); return -1; }
+}