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Commit | Line | Data |
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3decb14a JR |
1 | /* |
2 | * (C) Copyright 2010 | |
3 | * Linaro LTD, www.linaro.org | |
4 | * Author: John Rigby <john.rigby@linaro.org> | |
5 | * Based on TI's signGP.c | |
6 | * | |
7 | * (C) Copyright 2009 | |
8 | * Stefano Babic, DENX Software Engineering, sbabic@denx.de. | |
9 | * | |
10 | * (C) Copyright 2008 | |
11 | * Marvell Semiconductor <www.marvell.com> | |
12 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> | |
13 | * | |
3765b3e7 | 14 | * SPDX-License-Identifier: GPL-2.0+ |
3decb14a JR |
15 | */ |
16 | ||
f86ed6a8 | 17 | #include "imagetool.h" |
bf411ea9 | 18 | #include <compiler.h> |
3decb14a | 19 | #include <image.h> |
bf411ea9 | 20 | #include "gpheader.h" |
3decb14a JR |
21 | #include "omapimage.h" |
22 | ||
c8e1ca3e PT |
23 | #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) |
24 | ||
3decb14a JR |
25 | /* Header size is CH header rounded up to 512 bytes plus GP header */ |
26 | #define OMAP_CH_HDR_SIZE 512 | |
bf411ea9 | 27 | #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE) |
3decb14a | 28 | |
79b9ebb7 TR |
29 | static int do_swap32 = 0; |
30 | ||
3decb14a JR |
31 | static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE]; |
32 | ||
33 | static int omapimage_check_image_types(uint8_t type) | |
34 | { | |
35 | if (type == IH_TYPE_OMAPIMAGE) | |
36 | return EXIT_SUCCESS; | |
bf411ea9 | 37 | return EXIT_FAILURE; |
3decb14a JR |
38 | } |
39 | ||
40 | static int omapimage_verify_header(unsigned char *ptr, int image_size, | |
f86ed6a8 | 41 | struct image_tool_params *params) |
3decb14a JR |
42 | { |
43 | struct ch_toc *toc = (struct ch_toc *)ptr; | |
44 | struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); | |
bf411ea9 | 45 | uint32_t offset, size; |
3decb14a JR |
46 | |
47 | while (toc->section_offset != 0xffffffff | |
48 | && toc->section_size != 0xffffffff) { | |
79b9ebb7 | 49 | if (do_swap32) { |
bf411ea9 KM |
50 | offset = cpu_to_be32(toc->section_offset); |
51 | size = cpu_to_be32(toc->section_size); | |
79b9ebb7 TR |
52 | } else { |
53 | offset = toc->section_offset; | |
54 | size = toc->section_size; | |
55 | } | |
3decb14a JR |
56 | if (!offset || !size) |
57 | return -1; | |
58 | if (offset >= OMAP_CH_HDR_SIZE || | |
59 | offset+size >= OMAP_CH_HDR_SIZE) | |
60 | return -1; | |
61 | toc++; | |
62 | } | |
79b9ebb7 | 63 | |
bf411ea9 | 64 | return gph_verify_header(gph, do_swap32); |
3decb14a JR |
65 | } |
66 | ||
67 | static void omapimage_print_section(struct ch_settings *chs) | |
68 | { | |
69 | const char *section_name; | |
70 | ||
71 | if (chs->section_key) | |
72 | section_name = "CHSETTINGS"; | |
73 | else | |
74 | section_name = "UNKNOWNKEY"; | |
75 | ||
76 | printf("%s (%x) " | |
77 | "valid:%x " | |
78 | "version:%x " | |
79 | "reserved:%x " | |
80 | "flags:%x\n", | |
81 | section_name, | |
82 | chs->section_key, | |
83 | chs->valid, | |
84 | chs->version, | |
85 | chs->reserved, | |
86 | chs->flags); | |
87 | } | |
88 | ||
89 | static void omapimage_print_header(const void *ptr) | |
90 | { | |
91 | const struct ch_toc *toc = (struct ch_toc *)ptr; | |
92 | const struct gp_header *gph = | |
93 | (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE); | |
bf411ea9 | 94 | uint32_t offset, size; |
3decb14a JR |
95 | |
96 | while (toc->section_offset != 0xffffffff | |
97 | && toc->section_size != 0xffffffff) { | |
79b9ebb7 | 98 | if (do_swap32) { |
bf411ea9 KM |
99 | offset = cpu_to_be32(toc->section_offset); |
100 | size = cpu_to_be32(toc->section_size); | |
79b9ebb7 TR |
101 | } else { |
102 | offset = toc->section_offset; | |
103 | size = toc->section_size; | |
104 | } | |
3decb14a JR |
105 | |
106 | if (offset >= OMAP_CH_HDR_SIZE || | |
107 | offset+size >= OMAP_CH_HDR_SIZE) | |
108 | exit(EXIT_FAILURE); | |
109 | ||
110 | printf("Section %s offset %x length %x\n", | |
111 | toc->section_name, | |
112 | toc->section_offset, | |
113 | toc->section_size); | |
114 | ||
115 | omapimage_print_section((struct ch_settings *)(ptr+offset)); | |
116 | toc++; | |
117 | } | |
118 | ||
bf411ea9 | 119 | gph_print_header(gph, do_swap32); |
3decb14a JR |
120 | } |
121 | ||
122 | static int toc_offset(void *hdr, void *member) | |
123 | { | |
124 | return member - hdr; | |
125 | } | |
126 | ||
127 | static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd, | |
f86ed6a8 | 128 | struct image_tool_params *params) |
3decb14a JR |
129 | { |
130 | struct ch_toc *toc = (struct ch_toc *)ptr; | |
131 | struct ch_settings *chs = (struct ch_settings *) | |
132 | (ptr + 2 * sizeof(*toc)); | |
133 | struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE); | |
134 | ||
135 | toc->section_offset = toc_offset(ptr, chs); | |
136 | toc->section_size = sizeof(struct ch_settings); | |
137 | strcpy((char *)toc->section_name, "CHSETTINGS"); | |
138 | ||
139 | chs->section_key = KEY_CHSETTINGS; | |
140 | chs->valid = 0; | |
141 | chs->version = 1; | |
142 | chs->reserved = 0; | |
143 | chs->flags = 0; | |
144 | ||
145 | toc++; | |
146 | memset(toc, 0xff, sizeof(*toc)); | |
147 | ||
3a0e70f1 | 148 | gph_set_header(gph, sbuf->st_size - OMAP_CH_HDR_SIZE, |
bf411ea9 | 149 | params->addr, 0); |
79b9ebb7 TR |
150 | |
151 | if (strncmp(params->imagename, "byteswap", 8) == 0) { | |
152 | do_swap32 = 1; | |
153 | int swapped = 0; | |
154 | uint32_t *data = (uint32_t *)ptr; | |
c8e1ca3e PT |
155 | const off_t size_in_words = |
156 | DIV_ROUND_UP(sbuf->st_size, sizeof(uint32_t)); | |
79b9ebb7 | 157 | |
c8e1ca3e | 158 | while (swapped < size_in_words) { |
bf411ea9 | 159 | *data = cpu_to_be32(*data); |
79b9ebb7 TR |
160 | swapped++; |
161 | data++; | |
162 | } | |
163 | } | |
3decb14a JR |
164 | } |
165 | ||
3decb14a JR |
166 | /* |
167 | * omapimage parameters | |
168 | */ | |
a93648d1 GMF |
169 | U_BOOT_IMAGE_TYPE( |
170 | omapimage, | |
171 | "TI OMAP CH/GP Boot Image support", | |
172 | OMAP_FILE_HDR_SIZE, | |
173 | (void *)&omapimage_header, | |
174 | gpimage_check_params, | |
175 | omapimage_verify_header, | |
176 | omapimage_print_header, | |
177 | omapimage_set_header, | |
178 | NULL, | |
179 | omapimage_check_image_types, | |
180 | NULL, | |
181 | NULL | |
182 | ); |