]>
git.ipfire.org Git - people/ms/u-boot.git/blob - tools/rkcommon.h
b4f6f327dc17f85be0933dc927336ca153b5de33
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
);
59 * rkcommon_need_rc4_spl() - check if rc4 encoded spl is required
61 * Some socs cannot disable the rc4-encryption of the spl binary.
62 * rc4 encryption is disabled normally except on socs that cannot
63 * handle unencrypted binaries.
64 * @return true or false depending on rc4 being required.
66 bool rkcommon_need_rc4_spl(struct image_tool_params
*params
);
69 * rkcommon_rc4_encode_spl() - encode the spl binary
71 * Encrypts the SPL binary using the generic rc4 key as required
74 * @buf: Pointer to the SPL data (header and SPL binary)
75 * @offset: offset inside buf to start at
76 * @size: number of bytes to encode
78 void rkcommon_rc4_encode_spl(void *buf
, unsigned int offset
, unsigned int size
);