sw_services: Openamp: modified the code and license

This patch modifies the code according to wendy's openamp changes
and also updates the license information

Signed-off-by: Kinjal Pravinbhai Patel <patelki@xilinx.com>

ThirdParty/sw_services/xilopenamp/src/config.c

@@ -58,13 +58,7 @@ extern unsigned char _binary_firmware2_end;
 
 #define FIRMWARE2_START  (void *)&_binary_firmware2_start
 #define FIRMWARE2_END    (void *)&_binary_firmware2_end
-/* IPI REGs OFFSET */
-#define IPI_TRIG_OFFSET          0x00000000 /* IPI trigger register offset */
-#define IPI_OBS_OFFSET           0x00000004 /* IPI observation register offset */
-#define IPI_ISR_OFFSET           0x00000010 /* IPI interrupt status register offset */
-#define IPI_IMR_OFFSET           0x00000014 /* IPI interrupt mask register offset */
-#define IPI_IER_OFFSET           0x00000018 /* IPI interrupt enable register offset */
-#define IPI_IDR_OFFSET           0x0000001C /* IPI interrupt disable register offset */
+
 /* Init firmware table */
 
 const struct firmware_info fw_table[] = { { "firmware1",

ThirdParty/sw_services/xilopenamp/src/env.h

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2014, Mentor Graphics Corporation
  * All rights reserved.
+ * Copyright (c) 2015 Xilinx, 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:

ThirdParty/sw_services/xilopenamp/src/remote_device.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2014, Mentor Graphics Corporation
  * All rights reserved.
+ * Copyright (c) 2015 Xilinx, 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:

ThirdParty/sw_services/xilopenamp/src/remoteproc.c

@@ -1,6 +1,7 @@
 /*
  * Copyright (c) 2014, Mentor Graphics Corporation
  * All rights reserved.
+ * Copyright (c) 2015 Xilinx, 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:

ThirdParty/sw_services/xilopenamp/src/rpmsg_core.c

@@ -550,44 +550,42 @@ void rpmsg_rx_callback(struct virtqueue *vq) {
 
     env_unlock_mutex(rdev->lock);
 
-    if (!rp_hdr) {
-        return;
-    }
+     while(rp_hdr) {
 
-    /* Get the channel node from the remote device channels list. */
-    node = rpmsg_rdev_get_endpoint_from_addr(rdev, rp_hdr->dst);
+        /* Get the channel node from the remote device channels list. */
+        node = rpmsg_rdev_get_endpoint_from_addr(rdev, rp_hdr->dst);
 
-    if (!node)
-        /* Fatal error no endpoint for the given dst addr. */
-        return;
+        if (!node)
+            /* Fatal error no endpoint for the given dst addr. */
+            return;
 
-    rp_ept = (struct rpmsg_endpoint *) node->data;
+        rp_ept = (struct rpmsg_endpoint *) node->data;
 
-    rp_chnl = rp_ept->rp_chnl;
+        rp_chnl = rp_ept->rp_chnl;
 
-    if ((rp_chnl) && (rp_chnl->state == RPMSG_CHNL_STATE_NS)) {
+        if ((rp_chnl) && (rp_chnl->state == RPMSG_CHNL_STATE_NS)) {
+            /* First message from RPMSG Master, update channel
+             * destination address and state */
+            rp_chnl->dst = rp_hdr->src;
+            rp_chnl->state = RPMSG_CHNL_STATE_ACTIVE;
 
-        /* First message from RPMSG Master, update channel
-         * destination address and state */
-        rp_chnl->dst = rp_hdr->src;
-        rp_chnl->state = RPMSG_CHNL_STATE_ACTIVE;
-
-        /* Notify channel creation to application */
-        if (rdev->channel_created) {
-            rdev->channel_created(rp_chnl);
+            /* Notify channel creation to application */
+            if (rdev->channel_created) {
+                rdev->channel_created(rp_chnl);
+            }
+        } else {
+            rp_ept->cb(rp_chnl, rp_hdr->data, rp_hdr->len, rp_ept->priv,
+                            rp_hdr->src);
         }
-    } else {
 
-        rp_ept->cb(rp_chnl, rp_hdr->data, rp_hdr->len, rp_ept->priv,
-                        rp_hdr->src);
+        env_lock_mutex(rdev->lock);
+
+        /* Return used buffers. */
+        rpmsg_return_buffer(rdev, rp_hdr, len, idx);
+
+        rp_hdr = (struct rpmsg_hdr *) rpmsg_get_rx_buffer(rdev, &len, &idx);
+        env_unlock_mutex(rdev->lock);
     }
-
-    env_lock_mutex(rdev->lock);
-
-    /* Return used buffers. */
-    rpmsg_return_buffer(rdev, rp_hdr, len, idx);
-
-    env_unlock_mutex(rdev->lock);
 }
 
 /**

ThirdParty/sw_services/xilopenamp/src/rpmsg_retarget.c

@@ -32,7 +32,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
-#include "sleep.h"
 
 
 
@@ -107,6 +106,10 @@ int rpmsg_retarget_deinit(struct rpmsg_channel *rp_chnl) {
 	return 0;
 }
 
+int rpmsg_retarget_send(void *data, int len) {
+	return send_rpc(data, len);
+}
+
 /*************************************************************************
  *
  *   FUNCTION

ThirdParty/sw_services/xilopenamp/src/rpmsg_retarget.h

@@ -79,3 +79,4 @@ void debug_print(char* str, int len);
 /* API prototypes */
 int rpmsg_retarget_init(struct rpmsg_channel *rp_chnl, rpc_shutdown_cb cb);
 int rpmsg_retarget_deinit(struct rpmsg_channel *rp_chnl);
+int rpmsg_retarget_send(void *data, int len);