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

source/trusted-firmware/trusted-firmware-a-2.8/plat/mediatek/lib/mtk_init/mtk_init.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <lib/utils_def.h>
+#include <lib/mtk_init/mtk_init.h>
+
+INIT_CALL_TABLE(EXPAND_AS_EXTERN);
+extern struct initcall __MTK_PLAT_INITCALL_END__[];
+
+struct initcall *initcall_list[] = {
+	INIT_CALL_TABLE(EXPAND_AS_SYMBOL_ARR)
+	__MTK_PLAT_INITCALL_END__
+};
+
+void mtk_init_one_level(uint32_t level)
+{
+	const struct initcall *entry;
+	int error;
+
+	if (level >= MTK_INIT_LVL_MAX) {
+		ERROR("invalid level:%u\n", level);
+		panic();
+	}
+
+	INFO("init calling level:%u\n", level);
+	for (entry = initcall_list[level];
+	     (entry != NULL) && (entry < initcall_list[level + 1]);
+	     entry++) {
+		INFO("calling %s\n", entry->name);
+		error = entry->fn();
+		if (error != 0) {
+			ERROR("init %s fail, errno:%d\n", entry->name, error);
+		}
+	}
+}

source/trusted-firmware/trusted-firmware-a-2.8/plat/mediatek/lib/mtk_init/mtk_mmap_init.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <drivers/console.h>
+#include <lib/xlat_tables/xlat_tables_compat.h>
+#include <mtk_mmap_pool.h>
+
+IMPORT_SYM(uintptr_t, __MTK_MMAP_POINTER_POOL_START__, MTK_MMAP_POINTER_POOL_START);
+IMPORT_SYM(uintptr_t, __MTK_MMAP_POINTER_POOL_END_UNALIGNED__, MTK_MMAP_POINTER_POOL_END_UNALIGNED);
+IMPORT_SYM(uintptr_t, __RW_START__, RW_START);
+IMPORT_SYM(uintptr_t, __DATA_START__, DATA_START);
+
+#define MAP_MTK_SECTIONS MAP_REGION_FLAT(RW_START, \
+					 DATA_START - RW_START, \
+					 MT_MEMORY | MT_RO | MT_SECURE)
+
+
+static void print_mmap(const mmap_region_t *regions)
+{
+	while (regions->size != 0U) {
+		VERBOSE("Region: 0x%lx - 0x%lx has attributes 0x%x\n",
+			regions->base_va,
+			regions->base_va + regions->size,
+			regions->attr);
+		regions++;
+	}
+}
+
+void mtk_xlat_init(const mmap_region_t *bl_regions)
+{
+	struct mtk_mmap_descriptor *iter;
+	const mmap_region_t *regions = bl_regions;
+
+	print_mmap(regions);
+	mmap_add(bl_regions);
+	if (MTK_MMAP_POINTER_POOL_START != MTK_MMAP_POINTER_POOL_END_UNALIGNED) {
+		for (iter = (struct mtk_mmap_descriptor *)MTK_MMAP_POINTER_POOL_START;
+		     (char *)iter < (char *)MTK_MMAP_POINTER_POOL_END_UNALIGNED;
+		     iter++) {
+			regions = iter->mmap_ptr;
+			INFO("mmap_name: %s\n", iter->mmap_name);
+			INFO("mmap_size: 0x%x\n", iter->mmap_size);
+			print_mmap(regions);
+			mmap_add(regions);
+		}
+	}
+	init_xlat_tables();
+	enable_mmu_el3(0);
+}

source/trusted-firmware/trusted-firmware-a-2.8/plat/mediatek/lib/mtk_init/rules.mk

@@ -0,0 +1,14 @@
+#
+# Copyright (c) 2022, MediaTek Inc. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+LOCAL_DIR := $(call GET_LOCAL_DIR)
+
+MODULE := mtk_init
+
+LOCAL_SRCS-y := $(LOCAL_DIR)/mtk_init.c
+LOCAL_SRCS-y += $(LOCAL_DIR)/mtk_mmap_init.c
+
+$(eval $(call MAKE_MODULE,$(MODULE),$(LOCAL_SRCS-y),$(MTK_BL)))