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-rw-r--r--plat/mediatek/include/lib/mtk_init/mtk_init.h58
-rw-r--r--plat/mediatek/include/lib/mtk_init/mtk_init_def.h22
2 files changed, 80 insertions, 0 deletions
diff --git a/plat/mediatek/include/lib/mtk_init/mtk_init.h b/plat/mediatek/include/lib/mtk_init/mtk_init.h
new file mode 100644
index 0000000..6f23a9b
--- /dev/null
+++ b/plat/mediatek/include/lib/mtk_init/mtk_init.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTK_INIT_H
+#define MTK_INIT_H
+
+#include <cdefs.h>
+#include <lib/mtk_init/mtk_init_def.h>
+
+#define INIT_CALL_EXPAND_AS_ENUMERATION(_section_enum, _section_name, _level) \
+ _section_enum = _level,
+
+#define EXPAND_AS_LINK_SECTION(_section_enum, _section_name, _level) \
+ __##_section_enum##_START__ = .; \
+ KEEP(*(_section_name##_level));
+
+#define EXPAND_AS_EXTERN(_section_enum, _section_name, _level) \
+ extern struct initcall __##_section_enum##_START__[];
+
+#define EXPAND_AS_SYMBOL_ARR(_section_enum, _section_name, _level) \
+ __##_section_enum##_START__,
+
+#define DECLARE_MTK_INITCALL(_fn, _level) \
+ const struct initcall _mtk_initcall_##_fn \
+ __used \
+ __aligned(sizeof(void *)) \
+ __section(".mtk_plat_initcall_"#_level) \
+ = { \
+ .name = #_fn, \
+ .fn = _fn \
+ }
+
+/* initcall helpers */
+#define MTK_EARLY_PLAT_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 0)
+#define MTK_ARCH_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 1)
+#define MTK_PLAT_SETUP_0_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 2)
+#define MTK_PLAT_SETUP_1_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 3)
+#define MTK_PLAT_RUNTIME_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 4)
+#define MTK_PLAT_BL33_DEFER_INIT(_fn) DECLARE_MTK_INITCALL(_fn, 5)
+
+#ifndef __ASSEMBLER__
+struct initcall {
+ const char *name;
+ int (*fn)(void);
+};
+
+enum {
+ INIT_CALL_TABLE(INIT_CALL_EXPAND_AS_ENUMERATION)
+ MTK_INIT_LVL_MAX
+};
+
+void mtk_init_one_level(unsigned int level);
+#endif
+
+#endif /* MTK_INIT_H */
diff --git a/plat/mediatek/include/lib/mtk_init/mtk_init_def.h b/plat/mediatek/include/lib/mtk_init/mtk_init_def.h
new file mode 100644
index 0000000..8aae41d
--- /dev/null
+++ b/plat/mediatek/include/lib/mtk_init/mtk_init_def.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2022, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MTK_INIT_DEF_H
+#define MTK_INIT_DEF_H
+
+/*
+ * Define init call sections here. _func is for 2nd level expansion, init
+ * section enum, and init section name.
+ */
+#define INIT_CALL_TABLE(_func) \
+ _func(MTK_INIT_LVL_EARLY_PLAT, .mtk_plat_initcall_, 0) \
+ _func(MTK_INIT_LVL_ARCH, .mtk_plat_initcall_, 1) \
+ _func(MTK_INIT_LVL_PLAT_SETUP_0, .mtk_plat_initcall_, 2) \
+ _func(MTK_INIT_LVL_PLAT_SETUP_1, .mtk_plat_initcall_, 3) \
+ _func(MTK_INIT_LVL_PLAT_RUNTIME, .mtk_plat_initcall_, 4) \
+ _func(MTK_INIT_LVL_BL33_DEFER, .mtk_plat_initcall_, 5)
+
+#endif /* MTK_INIT_DEF_H */