2 * (C) Copyright 2015 Google, Inc
3 * Written by Simon Glass <sjg@chromium.org>
5 * SPDX-License-Identifier: GPL-2.0+
7 * See README.rockchip for details of the rkspi format
10 #include "imagetool.h"
17 RKSPI_SECT_LEN = RK_BLK_SIZE * 4,
20 static int rkspi_verify_header(unsigned char *buf, int size,
21 struct image_tool_params *params)
26 static void rkspi_print_header(const void *buf)
30 static void rkspi_set_header(void *buf, struct stat *sbuf, int ifd,
31 struct image_tool_params *params)
37 size = params->orig_file_size;
38 ret = rkcommon_set_header(buf, size, params);
39 debug("size %x\n", size);
41 /* TODO(sjg@chromium.org): This method should return an error */
42 printf("Warning: SPL image is too large (size %#x) and will not boot\n",
47 * Spread the image out so we only use the first 2KB of each 4KB
48 * region. This is a feature of the SPI format required by the Rockchip
49 * boot ROM. Its rationale is unknown.
51 for (sector = size / RKSPI_SECT_LEN - 1; sector >= 0; sector--) {
52 debug("sector %u\n", sector);
53 memmove(buf + sector * RKSPI_SECT_LEN * 2,
54 buf + sector * RKSPI_SECT_LEN,
56 memset(buf + sector * RKSPI_SECT_LEN * 2 + RKSPI_SECT_LEN,
57 '\0', RKSPI_SECT_LEN);
61 static int rkspi_extract_subimage(void *buf, struct image_tool_params *params)
66 static int rkspi_check_image_type(uint8_t type)
68 if (type == IH_TYPE_RKSPI)
74 /* We pad the file out to a fixed size - this method returns that size */
75 static int rkspi_vrec_header(struct image_tool_params *params,
76 struct image_type_params *tparams)
80 rkcommon_vrec_header(params, tparams);
82 pad_size = (rkcommon_get_spl_size(params) + 0x7ff) / 0x800 * 0x800;
83 params->orig_file_size = pad_size;
85 /* We will double the image size due to the SPI format */
87 pad_size += RK_SPL_HDR_START;
88 debug("pad_size %x\n", pad_size);
90 return pad_size - params->file_size - tparams->header_size;
98 "Rockchip SPI Boot Image support",
101 rkcommon_check_params,
105 rkspi_extract_subimage,
106 rkspi_check_image_type,