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1/*
2 * (C) Copyright 2000, 2001
3 * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
4 *
1a459660 5 * SPDX-License-Identifier: GPL-2.0+
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6 */
7
8/*
9 * FPGA support
10 */
11#include <common.h>
12#include <command.h>
8bde7f77 13#include <fpga.h>
1a897668 14#include <fs.h>
c3d2b4b4 15#include <malloc.h>
4a9cbbe8 16
4a9cbbe8 17/* Local functions */
fc598412 18static int fpga_get_op(char *opstr);
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19
20/* Local defines */
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21enum {
22 FPGA_NONE = -1,
23 FPGA_INFO,
24 FPGA_LOAD,
25 FPGA_LOADB,
26 FPGA_DUMP,
27 FPGA_LOADMK,
28 FPGA_LOADP,
29 FPGA_LOADBP,
30 FPGA_LOADFS,
31};
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32
33/* ------------------------------------------------------------------------- */
34/* command form:
35 * fpga <op> <device number> <data addr> <datasize>
36 * where op is 'load', 'dump', or 'info'
37 * If there is no device number field, the fpga environment variable is used.
38 * If there is no data addr field, the fpgadata environment variable is used.
39 * The info command requires no data address field.
40 */
fc598412 41int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
4a9cbbe8 42{
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43 int op, dev = FPGA_INVALID_DEVICE;
44 size_t data_size = 0;
45 void *fpga_data = NULL;
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46 char *devstr = env_get("fpga");
47 char *datastr = env_get("fpgadata");
d4ca31c4 48 int rc = FPGA_FAIL;
a790b5b2 49 int wrong_parms = 0;
fc598412 50#if defined(CONFIG_FIT)
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51 const char *fit_uname = NULL;
52 ulong fit_addr;
53#endif
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54#if defined(CONFIG_CMD_FPGA_LOADFS)
55 fpga_fs_info fpga_fsinfo;
56 fpga_fsinfo.fstype = FS_TYPE_ANY;
57#endif
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58
59 if (devstr)
fc598412 60 dev = (int) simple_strtoul(devstr, NULL, 16);
d4ca31c4 61 if (datastr)
fc598412 62 fpga_data = (void *)simple_strtoul(datastr, NULL, 16);
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63
64 switch (argc) {
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65#if defined(CONFIG_CMD_FPGA_LOADFS)
66 case 9:
67 fpga_fsinfo.blocksize = (unsigned int)
68 simple_strtoul(argv[5], NULL, 16);
69 fpga_fsinfo.interface = argv[6];
70 fpga_fsinfo.dev_part = argv[7];
71 fpga_fsinfo.filename = argv[8];
72#endif
d4ca31c4 73 case 5: /* fpga <op> <dev> <data> <datasize> */
fc598412 74 data_size = simple_strtoul(argv[4], NULL, 16);
c28c4d19 75
d4ca31c4 76 case 4: /* fpga <op> <dev> <data> */
c28c4d19 77#if defined(CONFIG_FIT)
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78 if (fit_parse_subimage(argv[3], (ulong)fpga_data,
79 &fit_addr, &fit_uname)) {
c28c4d19 80 fpga_data = (void *)fit_addr;
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81 debug("* fpga: subimage '%s' from FIT image ",
82 fit_uname);
83 debug("at 0x%08lx\n", fit_addr);
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84 } else
85#endif
86 {
fc598412 87 fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
06297db0 88 debug("* fpga: cmdline image address = 0x%08lx\n",
fc598412 89 (ulong)fpga_data);
c28c4d19 90 }
455ad585 91 debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
c28c4d19 92
d4ca31c4 93 case 3: /* fpga <op> <dev | data addr> */
fc598412 94 dev = (int)simple_strtoul(argv[2], NULL, 16);
06297db0 95 debug("%s: device = %d\n", __func__, dev);
d4ca31c4 96 /* FIXME - this is a really weak test */
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97 if ((argc == 3) && (dev > fpga_count())) {
98 /* must be buffer ptr */
06297db0 99 debug("%s: Assuming buffer pointer in arg 3\n",
fc598412 100 __func__);
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101
102#if defined(CONFIG_FIT)
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103 if (fit_parse_subimage(argv[2], (ulong)fpga_data,
104 &fit_addr, &fit_uname)) {
c28c4d19 105 fpga_data = (void *)fit_addr;
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106 debug("* fpga: subimage '%s' from FIT image ",
107 fit_uname);
108 debug("at 0x%08lx\n", fit_addr);
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109 } else
110#endif
111 {
455ad585 112 fpga_data = (void *)(uintptr_t)dev;
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113 debug("* fpga: cmdline image addr = 0x%08lx\n",
114 (ulong)fpga_data);
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115 }
116
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117 debug("%s: fpga_data = 0x%lx\n",
118 __func__, (ulong)fpga_data);
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119 dev = FPGA_INVALID_DEVICE; /* reset device num */
120 }
c28c4d19 121
d4ca31c4 122 case 2: /* fpga <op> */
fc598412 123 op = (int)fpga_get_op(argv[1]);
d4ca31c4 124 break;
c28c4d19 125
d4ca31c4 126 default:
fc598412 127 debug("%s: Too many or too few args (%d)\n", __func__, argc);
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128 op = FPGA_NONE; /* force usage display */
129 break;
130 }
131
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132 if (dev == FPGA_INVALID_DEVICE) {
133 puts("FPGA device not specified\n");
134 op = FPGA_NONE;
135 }
136
137 switch (op) {
138 case FPGA_NONE:
139 case FPGA_INFO:
140 break;
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141#if defined(CONFIG_CMD_FPGA_LOADFS)
142 case FPGA_LOADFS:
143 /* Blocksize can be zero */
144 if (!fpga_fsinfo.interface || !fpga_fsinfo.dev_part ||
145 !fpga_fsinfo.filename)
146 wrong_parms = 1;
147#endif
a790b5b2 148 case FPGA_LOAD:
67193864 149 case FPGA_LOADP:
a790b5b2 150 case FPGA_LOADB:
67193864 151 case FPGA_LOADBP:
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152 case FPGA_DUMP:
153 if (!fpga_data || !data_size)
154 wrong_parms = 1;
155 break;
64e809af 156#if defined(CONFIG_CMD_FPGA_LOADMK)
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157 case FPGA_LOADMK:
158 if (!fpga_data)
159 wrong_parms = 1;
160 break;
64e809af 161#endif
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162 }
163
164 if (wrong_parms) {
165 puts("Wrong parameters for FPGA request\n");
166 op = FPGA_NONE;
167 }
168
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169 switch (op) {
170 case FPGA_NONE:
4c12eeb8 171 return CMD_RET_USAGE;
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172
173 case FPGA_INFO:
fc598412 174 rc = fpga_info(dev);
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175 break;
176
177 case FPGA_LOAD:
7a78bd26 178 rc = fpga_load(dev, fpga_data, data_size, BIT_FULL);
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179 break;
180
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181#if defined(CONFIG_CMD_FPGA_LOADP)
182 case FPGA_LOADP:
183 rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL);
184 break;
185#endif
186
30ce5ab0 187 case FPGA_LOADB:
7a78bd26 188 rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL);
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189 break;
190
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191#if defined(CONFIG_CMD_FPGA_LOADBP)
192 case FPGA_LOADBP:
193 rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL);
194 break;
195#endif
196
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197#if defined(CONFIG_CMD_FPGA_LOADFS)
198 case FPGA_LOADFS:
199 rc = fpga_fsload(dev, fpga_data, data_size, &fpga_fsinfo);
200 break;
201#endif
202
64e809af 203#if defined(CONFIG_CMD_FPGA_LOADMK)
f0ff4692 204 case FPGA_LOADMK:
fc598412 205 switch (genimg_get_format(fpga_data)) {
21d29f7f 206#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
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207 case IMAGE_FORMAT_LEGACY:
208 {
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209 image_header_t *hdr =
210 (image_header_t *)fpga_data;
211 ulong data;
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212 uint8_t comp;
213
214 comp = image_get_comp(hdr);
215 if (comp == IH_COMP_GZIP) {
1b63aaa5 216#if defined(CONFIG_GZIP)
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217 ulong image_buf = image_get_data(hdr);
218 data = image_get_load(hdr);
219 ulong image_size = ~0UL;
220
221 if (gunzip((void *)data, ~0UL,
222 (void *)image_buf,
223 &image_size) != 0) {
224 puts("GUNZIP: error\n");
225 return 1;
226 }
227 data_size = image_size;
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228#else
229 puts("Gunzip image is not supported\n");
230 return 1;
231#endif
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232 } else {
233 data = (ulong)image_get_data(hdr);
234 data_size = image_get_data_size(hdr);
235 }
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236 rc = fpga_load(dev, (void *)data, data_size,
237 BIT_FULL);
f0ff4692 238 }
d5934ad7 239 break;
21d29f7f 240#endif
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241#if defined(CONFIG_FIT)
242 case IMAGE_FORMAT_FIT:
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243 {
244 const void *fit_hdr = (const void *)fpga_data;
245 int noffset;
e6a857da 246 const void *fit_data;
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247
248 if (fit_uname == NULL) {
fc598412 249 puts("No FIT subimage unit name\n");
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250 return 1;
251 }
252
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253 if (!fit_check_format(fit_hdr)) {
254 puts("Bad FIT image format\n");
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255 return 1;
256 }
257
258 /* get fpga component image node offset */
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259 noffset = fit_image_get_node(fit_hdr,
260 fit_uname);
c28c4d19 261 if (noffset < 0) {
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262 printf("Can't find '%s' FIT subimage\n",
263 fit_uname);
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264 return 1;
265 }
266
267 /* verify integrity */
b8da8366 268 if (!fit_image_verify(fit_hdr, noffset)) {
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269 puts ("Bad Data Hash\n");
270 return 1;
271 }
272
273 /* get fpga subimage data address and length */
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274 if (fit_image_get_data(fit_hdr, noffset,
275 &fit_data, &data_size)) {
276 puts("Fpga subimage data not found\n");
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277 return 1;
278 }
279
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280 rc = fpga_load(dev, fit_data, data_size,
281 BIT_FULL);
c28c4d19 282 }
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283 break;
284#endif
285 default:
fc598412 286 puts("** Unknown image type\n");
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287 rc = FPGA_FAIL;
288 break;
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SR
289 }
290 break;
64e809af 291#endif
f0ff4692 292
d4ca31c4 293 case FPGA_DUMP:
fc598412 294 rc = fpga_dump(dev, fpga_data, data_size);
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295 break;
296
297 default:
fc598412 298 printf("Unknown operation\n");
4c12eeb8 299 return CMD_RET_USAGE;
d4ca31c4 300 }
fc598412 301 return rc;
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302}
303
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304/*
305 * Map op to supported operations. We don't use a table since we
306 * would just have to relocate it from flash anyway.
307 */
fc598412 308static int fpga_get_op(char *opstr)
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309{
310 int op = FPGA_NONE;
311
fc598412 312 if (!strcmp("info", opstr))
4a9cbbe8 313 op = FPGA_INFO;
fc598412 314 else if (!strcmp("loadb", opstr))
30ce5ab0 315 op = FPGA_LOADB;
fc598412 316 else if (!strcmp("load", opstr))
4a9cbbe8 317 op = FPGA_LOAD;
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318#if defined(CONFIG_CMD_FPGA_LOADP)
319 else if (!strcmp("loadp", opstr))
320 op = FPGA_LOADP;
321#endif
322#if defined(CONFIG_CMD_FPGA_LOADBP)
323 else if (!strcmp("loadbp", opstr))
324 op = FPGA_LOADBP;
325#endif
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326#if defined(CONFIG_CMD_FPGA_LOADFS)
327 else if (!strcmp("loadfs", opstr))
328 op = FPGA_LOADFS;
329#endif
64e809af 330#if defined(CONFIG_CMD_FPGA_LOADMK)
fc598412 331 else if (!strcmp("loadmk", opstr))
f0ff4692 332 op = FPGA_LOADMK;
64e809af 333#endif
fc598412 334 else if (!strcmp("dump", opstr))
4a9cbbe8 335 op = FPGA_DUMP;
4a9cbbe8 336
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MS
337 if (op == FPGA_NONE)
338 printf("Unknown fpga operation \"%s\"\n", opstr);
339
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340 return op;
341}
342
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343#if defined(CONFIG_CMD_FPGA_LOADFS)
344U_BOOT_CMD(fpga, 9, 1, do_fpga,
345#else
fc598412 346U_BOOT_CMD(fpga, 6, 1, do_fpga,
1a897668 347#endif
fc598412
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348 "loadable FPGA image support",
349 "[operation type] [device number] [image address] [image size]\n"
350 "fpga operations:\n"
2d73f0d6 351 " dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
fc598412
MS
352 " info\t[dev]\t\t\tlist known device information\n"
353 " load\t[dev] [address] [size]\tLoad device from memory buffer\n"
67193864
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354#if defined(CONFIG_CMD_FPGA_LOADP)
355 " loadp\t[dev] [address] [size]\t"
356 "Load device from memory buffer with partial bitstream\n"
357#endif
fc598412
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358 " loadb\t[dev] [address] [size]\t"
359 "Load device from bitstream buffer (Xilinx only)\n"
67193864
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360#if defined(CONFIG_CMD_FPGA_LOADBP)
361 " loadbp\t[dev] [address] [size]\t"
362 "Load device from bitstream buffer with partial bitstream"
363 "(Xilinx only)\n"
364#endif
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365#if defined(CONFIG_CMD_FPGA_LOADFS)
366 "Load device from filesystem (FAT by default) (Xilinx only)\n"
367 " loadfs [dev] [address] [image size] [blocksize] <interface>\n"
368 " [<dev[:part]>] <filename>\n"
369#endif
64e809af 370#if defined(CONFIG_CMD_FPGA_LOADMK)
fc598412 371 " loadmk [dev] [address]\tLoad device generated with mkimage"
c28c4d19 372#if defined(CONFIG_FIT)
fc598412
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373 "\n"
374 "\tFor loadmk operating on FIT format uImage address must include\n"
375 "\tsubimage unit name in the form of addr:<subimg_uname>"
c28c4d19 376#endif
64e809af 377#endif
c28c4d19 378);