+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _RKCOMMON_H
enum {
RK_BLK_SIZE = 512,
- RK_CODE1_OFFSET = 4,
- RK_MAX_CODE1_SIZE = 32 << 10,
+ RK_SIZE_ALIGN = 2048,
+ RK_INIT_OFFSET = 4,
+ RK_MAX_BOOT_SIZE = 512 << 10,
+ RK_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE,
+ RK_SPL_HDR_SIZE = 4,
};
/**
+ * rkcommon_check_params() - check params
+ *
+ * Return: 0 if OK, -1 if ERROR.
+ */
+int rkcommon_check_params(struct image_tool_params *params);
+
+/**
+ * rkcommon_get_spl_hdr() - get 4-bytes spl hdr for a Rockchip boot image
+ *
+ * Rockchip's bootrom requires the spl loader to start with a 4-bytes
+ * header. The content of this header depends on the chip type.
+ */
+const char *rkcommon_get_spl_hdr(struct image_tool_params *params);
+
+/**
+ * rkcommon_get_spl_size() - get spl size for a Rockchip boot image
+ *
+ * Different chip may have different sram size. And if we want to jump
+ * back to the bootrom after spl, we may need to reserve some sram space
+ * for the bootrom.
+ * The spl loader size should be sram size minus reserved size(if needed)
+ */
+int rkcommon_get_spl_size(struct image_tool_params *params);
+
+/**
* rkcommon_set_header() - set up the header for a Rockchip boot image
*
* This sets up a 2KB header which can be interpreted by the Rockchip boot ROM.
*
* @buf: Pointer to header place (must be at least 2KB in size)
- * @file_size: Size of the file we want the boot ROM to load, in bytes
- * @return 0 if OK, -ENOSPC if too large
*/
-int rkcommon_set_header(void *buf, uint file_size);
+void rkcommon_set_header(void *buf, struct stat *sbuf, int ifd,
+ struct image_tool_params *params);
+
+/**
+ * rkcommon_verify_header() - verify the header for a Rockchip boot image
+ *
+ * @buf: Pointer to the image file
+ * @file_size: Size of entire bootable image file (incl. all padding)
+ * Return: 0 if OK
+ */
+int rkcommon_verify_header(unsigned char *buf, int size,
+ struct image_tool_params *params);
+
+/**
+ * rkcommon_print_header() - print the header for a Rockchip boot image
+ *
+ * This prints the header, spl_name and whether this is a SD/MMC or SPI image.
+ *
+ * @buf: Pointer to the image (can be a read-only file-mapping)
+ */
+void rkcommon_print_header(const void *buf);
+
+/**
+ * rkcommon_need_rc4_spl() - check if rc4 encoded spl is required
+ *
+ * Some socs cannot disable the rc4-encryption of the spl binary.
+ * rc4 encryption is disabled normally except on socs that cannot
+ * handle unencrypted binaries.
+ * Return: true or false depending on rc4 being required.
+ */
+bool rkcommon_need_rc4_spl(struct image_tool_params *params);
+
+/**
+ * rkcommon_rc4_encode_spl() - encode the spl binary
+ *
+ * Encrypts the SPL binary using the generic rc4 key as required
+ * by some socs.
+ *
+ * @buf: Pointer to the SPL data (header and SPL binary)
+ * @offset: offset inside buf to start at
+ * @size: number of bytes to encode
+ */
+void rkcommon_rc4_encode_spl(void *buf, unsigned int offset, unsigned int size);
+
+/**
+ * rkcommon_vrec_header() - allocate memory for the header
+ *
+ * @params: Pointer to the tool params structure
+ * @tparams: Pointer tot the image type structure (for setting
+ * the header and header_size)
+ *
+ * Return: 0 (always)
+ */
+int rkcommon_vrec_header(struct image_tool_params *params,
+ struct image_type_params *tparams);
#endif