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_SPL_HDR_START
= RK_INIT_OFFSET
* RK_BLK_SIZE
,
18 RKSPI_SPL_START
= RKSPI_SPL_HDR_START
+ 4,
19 RKSPI_HEADER_LEN
= RKSPI_SPL_START
,
20 RKSPI_SECT_LEN
= RK_BLK_SIZE
* 4,
23 static char dummy_hdr
[RKSPI_HEADER_LEN
];
25 static int rkspi_check_params(struct image_tool_params
*params
)
30 static int rkspi_verify_header(unsigned char *buf
, int size
,
31 struct image_tool_params
*params
)
36 static void rkspi_print_header(const void *buf
)
40 static void rkspi_set_header(void *buf
, struct stat
*sbuf
, int ifd
,
41 struct image_tool_params
*params
)
47 size
= params
->orig_file_size
;
48 ret
= rkcommon_set_header(buf
, size
);
49 debug("size %x\n", size
);
51 /* TODO(sjg@chromium.org): This method should return an error */
52 printf("Warning: SPL image is too large (size %#x) and will not boot\n",
56 memcpy(buf
+ RKSPI_SPL_HDR_START
, CONFIG_ROCKCHIP_SPL_HDR
, 4);
59 * Spread the image out so we only use the first 2KB of each 4KB
60 * region. This is a feature of the SPI format required by the Rockchip
61 * boot ROM. Its rationale is unknown.
63 for (sector
= size
/ RKSPI_SECT_LEN
- 1; sector
>= 0; sector
--) {
64 printf("sector %u\n", sector
);
65 memmove(buf
+ sector
* RKSPI_SECT_LEN
* 2,
66 buf
+ sector
* RKSPI_SECT_LEN
,
68 memset(buf
+ sector
* RKSPI_SECT_LEN
* 2 + RKSPI_SECT_LEN
,
69 '\0', RKSPI_SECT_LEN
);
73 static int rkspi_extract_subimage(void *buf
, struct image_tool_params
*params
)
78 static int rkspi_check_image_type(uint8_t type
)
80 if (type
== IH_TYPE_RKSPI
)
86 /* We pad the file out to a fixed size - this method returns that size */
87 static int rkspi_vrec_header(struct image_tool_params
*params
,
88 struct image_type_params
*tparams
)
92 pad_size
= (CONFIG_ROCKCHIP_MAX_SPL_SIZE
+ 0x7ff) / 0x800 * 0x800;
93 params
->orig_file_size
= pad_size
;
95 /* We will double the image size due to the SPI format */
97 pad_size
+= RKSPI_SPL_HDR_START
;
98 debug("pad_size %x\n", pad_size
);
100 return pad_size
- params
->file_size
;
108 "Rockchip SPI Boot Image support",
115 rkspi_extract_subimage
,
116 rkspi_check_image_type
,