GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/xilinx/zynqmp/tsp/tsp-zynqmp.mk

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+#
+# Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+# TSP source files specific to ZynqMP platform
+BL32_SOURCES		+=	plat/common/aarch64/platform_mp_stack.S		\
+				plat/xilinx/zynqmp/tsp/tsp_plat_setup.c

source/trusted-firmware/trusted-firmware-a-2.8/plat/xilinx/zynqmp/tsp/tsp_plat_setup.c

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+/*
+ * Copyright (c) 2014-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <plat/arm/common/plat_arm.h>
+#include <plat_private.h>
+#include <platform_tsp.h>
+
+/*******************************************************************************
+ * Initialize the UART
+ ******************************************************************************/
+void tsp_early_platform_setup(void)
+{
+	/*
+	 * Register a different console than already in use to display
+	 * messages from TSP
+	 */
+	static console_t tsp_boot_console;
+	(void)console_cdns_register(ZYNQMP_UART_BASE,
+				       zynqmp_get_uart_clk(),
+				       ZYNQMP_UART_BAUDRATE,
+				       &tsp_boot_console);
+	console_set_scope(&tsp_boot_console,
+			  CONSOLE_FLAG_RUNTIME | CONSOLE_FLAG_BOOT);
+
+	/* Initialize the platform config for future decision making */
+	zynqmp_config_setup();
+}
+
+/*******************************************************************************
+ * Perform platform specific setup placeholder
+ ******************************************************************************/
+void tsp_platform_setup(void)
+{
+	plat_arm_gic_driver_init();
+	plat_arm_gic_init();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only intializes the MMU
+ ******************************************************************************/
+void tsp_plat_arch_setup(void)
+{
+	const mmap_region_t bl_regions[] = {
+		MAP_REGION_FLAT(BL32_BASE, BL32_END - BL32_BASE,
+			MT_MEMORY | MT_RW | MT_SECURE),
+		MAP_REGION_FLAT(BL_CODE_BASE, BL_CODE_END - BL_CODE_BASE,
+			MT_CODE | MT_SECURE),
+		MAP_REGION_FLAT(BL_RO_DATA_BASE, BL_RO_DATA_END - BL_RO_DATA_BASE,
+			MT_RO_DATA | MT_SECURE),
+		MAP_REGION_FLAT(BL_COHERENT_RAM_BASE,
+			BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE,
+			MT_DEVICE | MT_RW | MT_SECURE),
+		{0}
+	};
+
+	setup_page_tables(bl_regions, plat_arm_get_mmap());
+	enable_mmu_el1(0);
+}