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