Add secure storage service and demo deployments

Change-Id: Ie321a3faca1a57fbfbd7709fa3f2e983e002f0b3
Signed-off-by: Balint Dobszay <balint.dobszay@arm.com>
diff --git a/deployments/secure-storage/opteesp/sp.c b/deployments/secure-storage/opteesp/sp.c
new file mode 100644
index 0000000..d04dbb2
--- /dev/null
+++ b/deployments/secure-storage/opteesp/sp.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2020, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "sp.h"
+#include <ffa_api.h>
+#include <components/rpc/common/endpoint/call_ep.h>
+#include <components/rpc/ffarpc/endpoint/ffarpc_call_ep.h>
+#include <components/service/secure_storage/provider/secure_flash_store/sfs_provider.h>
+#include <components/service/common/provider/service_provider.h>
+#include <sp_api.h>
+#include <sp_rxtx.h>
+#include <trace.h>
+
+uint16_t own_id = 0;
+static uint8_t tx_buffer[4096] __aligned(4096);
+static uint8_t rx_buffer[4096] __aligned(4096);
+
+void sp_main(struct ffa_init_info *init_info)
+{
+	ffa_result ffa_res;
+	sp_result sp_res;
+	struct call_ep *sfs_ep;
+	struct ffa_call_ep ffa_call_ep;
+	struct ffa_direct_msg req_msg;
+	struct ffa_direct_msg resp_msg;
+	struct sfs_provider sfs_provider;
+
+	/* Boot */
+	(void) init_info;
+
+	ffa_res = ffa_id_get(&own_id);
+	if (ffa_res != FFA_OK) {
+		EMSG("id get error: %d", ffa_res);
+	}
+
+	sp_res = sp_rxtx_buffer_map(tx_buffer, rx_buffer, sizeof(rx_buffer));
+	if (sp_res != SP_RESULT_OK) {
+		EMSG("rxtx map error: %d", sp_res);
+	}
+
+	sfs_ep = sfs_provider_init(&sfs_provider);
+	ffa_call_ep_init(&ffa_call_ep, sfs_ep);
+
+	/* End of boot phase */
+	ffa_msg_wait(&req_msg);
+
+	while (1) {
+		if (req_msg.function_id == FFA_MSG_SEND_DIRECT_REQ_32) {
+			ffa_call_ep_receive(&ffa_call_ep, &req_msg, &resp_msg);
+
+			ffa_msg_send_direct_resp(req_msg.destination_id,
+					req_msg.source_id, resp_msg.args[0], resp_msg.args[1],
+					resp_msg.args[2], resp_msg.args[3], resp_msg.args[4],
+					&req_msg);
+		}
+	}
+}
+
+void sp_interrupt_handler(uint32_t interrupt_id)
+{
+	(void)interrupt_id;
+}