Create logging SP deployment

Create an OP-TEE SP deployment for logging SP with UART backend in
the current configuration.

Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
Signed-off-by: Gabor Ambrus <gabor.ambrus@arm.com>
Change-Id: Id2dbae916ea55a1fa7e8a7b156c772934a123d45
diff --git a/deployments/logging/env/commonsp/logging_sp.c b/deployments/logging/env/commonsp/logging_sp.c
new file mode 100644
index 0000000..af81d2c
--- /dev/null
+++ b/deployments/logging/env/commonsp/logging_sp.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <components/service/log/backend/uart/uart_backend.h>
+#include <components/service/log/factory/log_factory.h>
+#include <components/service/log/provider/log_provider.h>
+#include <sp_api.h>
+#include <sp_discovery.h>
+#include <sp_messaging.h>
+#include <sp_rxtx.h>
+#include <trace.h>
+
+#include "config/loader/sp/sp_config_loader.h"
+#include "config/ramstore/config_ramstore.h"
+#include "rpc/ts_rpc/endpoint/sp/ts_rpc_endpoint_sp.h"
+
+static bool sp_init(uint16_t *own_sp_id);
+
+void __noreturn sp_main(union ffa_boot_info *boot_info)
+{
+	struct rpc_service_interface *log_iface = NULL;
+	struct ts_rpc_endpoint_sp rpc_endpoint = { 0 };
+	struct sp_msg req_msg = { 0 };
+	struct sp_msg resp_msg = { 0 };
+	struct log_provider log_provider = { 0 };
+	struct log_backend *log_backend = NULL;
+	uint16_t own_id = 0;
+	sp_result result = SP_RESULT_INTERNAL_ERROR;
+	rpc_status_t rpc_status = RPC_ERROR_INTERNAL;
+
+	/* Boot */
+	if (!sp_init(&own_id)) {
+		EMSG("Failed to init SP");
+		goto fatal_error;
+	}
+
+	config_ramstore_init();
+
+	if (!sp_config_load(boot_info)) {
+		EMSG("Failed to load SP config");
+		goto fatal_error;
+	}
+
+	log_backend = uart_backend_init(0);
+	if (!log_backend) {
+		EMSG("Failed to create log backend.");
+		goto fatal_error;
+	}
+	log_iface = log_provider_init(&log_provider, log_backend);
+
+	if (!log_iface) {
+		EMSG("Failed to init service provider");
+		goto fatal_error;
+	}
+
+	rpc_status = ts_rpc_endpoint_sp_init(&rpc_endpoint, 1, 16);
+	if (rpc_status != RPC_SUCCESS) {
+		EMSG("Failed to initialize RPC endpoint: %d", rpc_status);
+		goto fatal_error;
+	}
+
+	rpc_status = ts_rpc_endpoint_sp_add_service(&rpc_endpoint, log_iface);
+	if (rpc_status != RPC_SUCCESS) {
+		EMSG("Failed to add service to RPC endpoint: %d", rpc_status);
+		goto fatal_error;
+	}
+
+	/* End of boot phase */
+	result = sp_msg_wait(&req_msg);
+	if (result != SP_RESULT_OK) {
+		EMSG("Failed to send message wait %d", result);
+		goto fatal_error;
+	}
+
+	while (1) {
+		ts_rpc_endpoint_sp_receive(&rpc_endpoint, &req_msg, &resp_msg);
+
+		result = sp_msg_send_direct_resp(&resp_msg, &req_msg);
+		if (result != SP_RESULT_OK) {
+			EMSG("Failed to send direct response %d", result);
+			result = sp_msg_wait(&req_msg);
+			if (result != SP_RESULT_OK) {
+				EMSG("Failed to send message wait %d", result);
+				goto fatal_error;
+			}
+		}
+	}
+
+fatal_error:
+	/* SP is not viable */
+	EMSG("LOGGING SP error");
+	while (1) {
+	}
+}
+
+void sp_interrupt_handler(uint32_t interrupt_id)
+{
+	(void)interrupt_id;
+}
+
+static bool sp_init(uint16_t *own_id)
+{
+	sp_result sp_res = SP_RESULT_INTERNAL_ERROR;
+	static uint8_t tx_buffer[4096] __aligned(4096);
+	static uint8_t rx_buffer[4096] __aligned(4096);
+
+	sp_res = sp_rxtx_buffer_map(tx_buffer, rx_buffer, sizeof(rx_buffer));
+	if (sp_res != SP_RESULT_OK) {
+		EMSG("Failed to map RXTX buffers: %d", sp_res);
+		return false;
+	}
+
+	sp_res = sp_discovery_own_id_get(own_id);
+	if (sp_res != SP_RESULT_OK) {
+		EMSG("Failed to query own ID: %d", sp_res);
+		return false;
+	}
+
+	return true;
+}
diff --git a/deployments/logging/env/commonsp/logging_sp.cmake b/deployments/logging/env/commonsp/logging_sp.cmake
new file mode 100644
index 0000000..d3e2e4f
--- /dev/null
+++ b/deployments/logging/env/commonsp/logging_sp.cmake
@@ -0,0 +1,32 @@
+#-------------------------------------------------------------------------------
+# Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+# Includes components needed for deploying the logging service provider
+# within a secure partition.
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# Common components for logging sp deployments
+#
+#-------------------------------------------------------------------------------
+add_components(TARGET "logging"
+	BASE_DIR ${TS_ROOT}
+	COMPONENTS
+		"components/common/fdt"
+		"components/common/trace"
+		"components/common/utils"
+		"components/config/ramstore"
+		"components/config/loader/sp"
+		"components/messaging/ffa/libsp"
+		"components/rpc/common/interface"
+		"components/rpc/common/endpoint"
+		"components/rpc/ts_rpc/common"
+		"components/rpc/ts_rpc/endpoint/sp"
+		"components/service/log/backend/uart/uart_adapter/platform"
+)
+
+target_sources(logging PRIVATE
+	${CMAKE_CURRENT_LIST_DIR}/logging_sp.c
+)
diff --git a/deployments/logging/env/commonsp/logging_sp.h b/deployments/logging/env/commonsp/logging_sp.h
new file mode 100644
index 0000000..618123f
--- /dev/null
+++ b/deployments/logging/env/commonsp/logging_sp.h
@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef LOGGING_SP_H
+#define LOGGING_SP_H
+
+#endif /* LOGGING_SP_H */