2 * (C) Copyright 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
14 RK_MAX_BOOT_SIZE = 512 << 10,
15 RK_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE,
17 RK_SPL_START = RK_SPL_HDR_START + RK_SPL_HDR_SIZE,
18 RK_IMAGE_HEADER_LEN = RK_SPL_START,
22 * rkcommon_check_params() - check params
24 * @return 0 if OK, -1 if ERROR.
26 int rkcommon_check_params(struct image_tool_params *params);
29 * rkcommon_get_spl_hdr() - get 4-bytes spl hdr for a Rockchip boot image
31 * Rockchip's bootrom requires the spl loader to start with a 4-bytes
32 * header. The content of this header depends on the chip type.
34 const char *rkcommon_get_spl_hdr(struct image_tool_params *params);
37 * rkcommon_get_spl_size() - get spl size for a Rockchip boot image
39 * Different chip may have different sram size. And if we want to jump
40 * back to the bootrom after spl, we may need to reserve some sram space
42 * The spl loader size should be sram size minus reserved size(if needed)
44 int rkcommon_get_spl_size(struct image_tool_params *params);
47 * rkcommon_set_header() - set up the header for a Rockchip boot image
49 * This sets up a 2KB header which can be interpreted by the Rockchip boot ROM.
51 * @buf: Pointer to header place (must be at least 2KB in size)
52 * @file_size: Size of the file we want the boot ROM to load, in bytes
53 * @return 0 if OK, -ENOSPC if too large
55 int rkcommon_set_header(void *buf, uint file_size,
56 struct image_tool_params *params);