xref: /rk3399_ARM-atf/fdts/stmm_template.dts (revision 5feb20822a68242b63d46f6811357e8c4cf1d74c)

/*
 * Copyright (c) 2025, Arm Limited and Contributors. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include <stmm_common.dtsi>

/ {
	/*
	 * FF-A compatible Secure Partition Manager parses the
	 * config file and fetches the following booting arguments to
	 * pass on to the StandAloneMM(StMM) Secure Partition.
	 */
	compatible = "arm,ffa-manifest-1.0";
	execution-ctx-count = <STMM_CORE_COUNT>;
	exception-level = <MODE_SEL0>; /* SEL0*/
	execution-state = <ES_AARCH64>; /* AArch64*/
	image-size = <SIZE_INIT(STMM_IMAGE_SIZE)>;
	xlat-granule = <TG_4KB>; /* 4KiB */
	boot-order = <0>;
	gp-register-num = <0>;

	device-regions {
		compatible = "arm,ffa-manifest-device-regions";

		/**
		 * System registers, rtc, uart and etc regions for access from S-EL0.
		 */
		io_fpga: io_fpga {
			description ="io_fpga";
		};

		system_reg_el0: system_reg_el0 {
			description ="system_reg_el0";
		};

		/**
		 * ARM CSS SoC Peripherals area.
		 * Similar to SOC_CSS_MAP_DEVICE.
		 */
		soc_components: soc_components {
			description ="soc_components";
		};

#ifdef STMM_FLASH0_BASE
		/**
		 * NOR0 Flash region, used for Firmware Image Update.
		 */
		flash0: flash0 {
			description ="flash0";
		};
#endif

#ifdef STMM_FLASH1_BASE
		/**
		 * NOR1 Flash region, used for Secure booting.
		 */
		flash1: flash1 {
			description ="flash1";
		};
#endif

#ifdef STMM_TPM_S_CRB_BASE
		tpm_s_crb: tpm_s_crb {
			description ="tpm pesudo s-crb";
		};
#endif

#ifdef STMM_TPM_NS_CRB_BASE
		tpm_ns_crb: tpm_ns_crb {
			description ="tpm pesudo ns-crb";
		};
#endif
	};

	memory-regions {
		compatible = "arm,ffa-manifest-memory-regions";

		/*
		 * SPM Payload memory. Mapped as code region for S-EL0
		 * Similar to ARM_SP_IMAGE_MMAP.
		 */
		image_fvb: stmm_region {
			description = "image";
		};

		/*
		 * Memory shared between EL3 and S-EL0.
		 * Similar to ARM_SPM_BUF_EL0_MMAP.
		 */
		shared_buf: rx-tx-buffers {
			description = "shared-buff";
		};

		/*
		 * Memory shared between Normal world and S-EL0.
		 * Similar to ARM_SP_IMAGE_NS_BUF_MMAP.
		 */
		ns_shared_buf: ns_comm_buffer {
			/*
			 * Description is needed for StMM to identify
			 * ns-communication buffer.
			 */
			description = "ns-comm";
		};

		/*
		 * Heap used by SP to allocate memory for DMA.
		 */
		stmm_heap: heap {
			/*
			 * Description is needed for StMM to identify
			 * heap buffer.
			 */
			description = "heap";
		};
	};
};

#include "stmm_dev_region.dtsi"
#include "stmm_mem_region.dtsi"