diff --git a/arch/arm/include/asm/arch-rockchip/spl_resource_img.h b/arch/arm/include/asm/arch-rockchip/spl_resource_img.h
new file mode 100644
index 0000000000..f5a0acb00d
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/spl_resource_img.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier:     GPL-2.0+ */
+/*
+ * (C) Copyright 2020 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef _SPL_RESOURCE_IMG_H_
+#define _SPL_RESOURCE_IMG_H_
+
+#define RESOURCE_MAGIC			"RSCE"
+#define RESOURCE_MAGIC_SIZE		4
+#define RESOURCE_VERSION		0
+#define CONTENT_VERSION			0
+#define ENTRY_TAG			"ENTR"
+#define ENTRY_TAG_SIZE			4
+#define MAX_FILE_NAME_LEN		220
+#define MAX_HASH_LEN			32
+
+#define DTB_FILE			"rk-kernel.dtb"
+
+/*
+ *         resource image structure
+ * ----------------------------------------------
+ * |                                            |
+ * |    header  (1 block)                       |
+ * |                                            |
+ * ---------------------------------------------|
+ * |                      |                     |
+ * |    entry0  (1 block) |                     |
+ * |                      |                     |
+ * ------------------------                     |
+ * |                      |                     |
+ * |    entry1  (1 block) | contents (n blocks) |
+ * |                      |                     |
+ * ------------------------                     |
+ * |    ......            |                     |
+ * ------------------------                     |
+ * |                      |                     |
+ * |    entryn  (1 block) |                     |
+ * |                      |                     |
+ * ----------------------------------------------
+ * |                                            |
+ * |    file0  (x blocks)                       |
+ * |                                            |
+ * ----------------------------------------------
+ * |                                            |
+ * |    file1  (y blocks)                       |
+ * |                                            |
+ * ----------------------------------------------
+ * |                   ......                   |
+ * |---------------------------------------------
+ * |                                            |
+ * |    filen  (z blocks)                       |
+ * |                                            |
+ * ----------------------------------------------
+ */
+
+/**
+ * struct resource_image_header
+ *
+ * @magic: should be "RSCE"
+ * @version: resource image version, current is 0
+ * @c_version: content version, current is 0
+ * @blks: the size of the header ( 1 block = 512 bytes)
+ * @c_offset: contents offset(by block) in the image
+ * @e_blks: the size(by block) of the entry in the contents
+ * @e_num: numbers of the entries.
+ */
+
+struct resource_img_hdr {
+	char		magic[4];
+	uint16_t	version;
+	uint16_t	c_version;
+	uint8_t		blks;
+	uint8_t		c_offset;
+	uint8_t		e_blks;
+	uint32_t	e_nums;
+};
+
+struct resource_entry {
+	char		tag[4];
+	char		name[MAX_FILE_NAME_LEN];
+	char		hash[MAX_HASH_LEN];
+	uint32_t	hash_size;
+	uint32_t	f_offset;
+	uint32_t	f_size;
+};
+
+int spl_resource_image_check_header(const struct resource_img_hdr *hdr);
+
+struct resource_entry *
+	spl_resource_image_get_dtb_entry(const struct resource_img_hdr *hdr);
+
+#endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 5fd5ee6c2a..897818cf41 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -36,6 +36,7 @@ endif
 
 obj-$(CONFIG_$(SPL_TPL_)RAM) += param.o
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram.o
+obj-$(CONFIG_SPL_KERNEL_BOOT) += spl_resource_img.o
 
 obj-$(CONFIG_ROCKCHIP_PX30) += px30/
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
diff --git a/arch/arm/mach-rockchip/spl_resource_img.c b/arch/arm/mach-rockchip/spl_resource_img.c
new file mode 100644
index 0000000000..a4b2136125
--- /dev/null
+++ b/arch/arm/mach-rockchip/spl_resource_img.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2020 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <linux/list.h>
+#include <asm/arch/spl_resource_img.h>
+
+int spl_resource_image_check_header(const struct resource_img_hdr *hdr)
+{
+	int ret;
+
+	ret = memcmp(RESOURCE_MAGIC, hdr->magic, RESOURCE_MAGIC_SIZE);
+	if (ret) {
+		debug("bad resource image magic: %s\n",
+		      hdr->magic ? hdr->magic : "none");
+		ret = -EINVAL;
+	}
+
+	debug("resource image header:\n");
+	debug("magic:%s\n", hdr->magic);
+	debug("version:%d\n", hdr->version);
+	debug("c_version:%d\n", hdr->c_version);
+	debug("blks:%d\n", hdr->blks);
+	debug("c_offset:%d\n", hdr->c_offset);
+	debug("e_blks:%d\n", hdr->e_blks);
+	debug("e_num:%d\n", hdr->e_nums);
+
+	return ret;
+}
+
+struct resource_entry *spl_resource_image_get_dtb_entry(const struct
+							resource_img_hdr *hdr)
+{
+	int i;
+	struct resource_entry *entry = NULL;
+
+	if (!hdr)
+		return NULL;
+
+	for (i = 0; i < hdr->e_nums; i++) {
+		entry = (struct resource_entry *)((char *)hdr
+				+ (hdr->blks + hdr->e_blks * i) * 512);
+		if (!memcmp(entry->name, DTB_FILE, strlen(DTB_FILE)))
+			break;
+	}
+
+	return entry;
+}