u-boot-brain/tools/rkcommon.h
Simon Glass a131c1f442 rockchip: Add the rkimage format to mkimage
Rockchip SoCs require certain formats for code that they execute, The
simplest format is a 4-byte header at the start of a binary file. Add
support for this so that we can create images that the boot ROM understands.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-02 21:28:23 -06:00

29 lines
656 B
C

/*
* (C) Copyright 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _RKCOMMON_H
#define _RKCOMMON_H
enum {
RK_BLK_SIZE = 512,
RK_CODE1_OFFSET = 4,
RK_MAX_CODE1_SIZE = 32 << 10,
};
/**
* 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);
#endif