summaryrefslogtreecommitdiff
path: root/cmd/fpga.c
blob: ac6f504140613b6753b42e66f9fd5f86ba971cc2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
/*
 * (C) Copyright 2000, 2001
 * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 *  FPGA support
 */
#include <common.h>
#include <command.h>
#include <fpga.h>
#include <fs.h>
#include <malloc.h>

/* Local functions */
static int fpga_get_op(char *opstr);

/* Local defines */
enum {
	FPGA_NONE = -1,
	FPGA_INFO,
	FPGA_LOAD,
	FPGA_LOADB,
	FPGA_DUMP,
	FPGA_LOADMK,
	FPGA_LOADP,
	FPGA_LOADBP,
	FPGA_LOADFS,
};

/* ------------------------------------------------------------------------- */
/* command form:
 *   fpga <op> <device number> <data addr> <datasize>
 * where op is 'load', 'dump', or 'info'
 * If there is no device number field, the fpga environment variable is used.
 * If there is no data addr field, the fpgadata environment variable is used.
 * The info command requires no data address field.
 */
int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
	int op, dev = FPGA_INVALID_DEVICE;
	size_t data_size = 0;
	void *fpga_data = NULL;
	char *devstr = env_get("fpga");
	char *datastr = env_get("fpgadata");
	int rc = FPGA_FAIL;
	int wrong_parms = 0;
#if defined(CONFIG_FIT)
	const char *fit_uname = NULL;
	ulong fit_addr;
#endif
#if defined(CONFIG_CMD_FPGA_LOADFS)
	fpga_fs_info fpga_fsinfo;
	fpga_fsinfo.fstype = FS_TYPE_ANY;
#endif

	if (devstr)
		dev = (int) simple_strtoul(devstr, NULL, 16);
	if (datastr)
		fpga_data = (void *)simple_strtoul(datastr, NULL, 16);

	switch (argc) {
#if defined(CONFIG_CMD_FPGA_LOADFS)
	case 9:
		fpga_fsinfo.blocksize = (unsigned int)
					     simple_strtoul(argv[5], NULL, 16);
		fpga_fsinfo.interface = argv[6];
		fpga_fsinfo.dev_part = argv[7];
		fpga_fsinfo.filename = argv[8];
#endif
	case 5:		/* fpga <op> <dev> <data> <datasize> */
		data_size = simple_strtoul(argv[4], NULL, 16);

	case 4:		/* fpga <op> <dev> <data> */
#if defined(CONFIG_FIT)
		if (fit_parse_subimage(argv[3], (ulong)fpga_data,
				       &fit_addr, &fit_uname)) {
			fpga_data = (void *)fit_addr;
			debug("*  fpga: subimage '%s' from FIT image ",
			      fit_uname);
			debug("at 0x%08lx\n", fit_addr);
		} else
#endif
		{
			fpga_data = (void *)simple_strtoul(argv[3], NULL, 16);
			debug("*  fpga: cmdline image address = 0x%08lx\n",
			      (ulong)fpga_data);
		}
		debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);

	case 3:		/* fpga <op> <dev | data addr> */
		dev = (int)simple_strtoul(argv[2], NULL, 16);
		debug("%s: device = %d\n", __func__, dev);
		/* FIXME - this is a really weak test */
		if ((argc == 3) && (dev > fpga_count())) {
			/* must be buffer ptr */
			debug("%s: Assuming buffer pointer in arg 3\n",
			      __func__);

#if defined(CONFIG_FIT)
			if (fit_parse_subimage(argv[2], (ulong)fpga_data,
					       &fit_addr, &fit_uname)) {
				fpga_data = (void *)fit_addr;
				debug("*  fpga: subimage '%s' from FIT image ",
				      fit_uname);
				debug("at 0x%08lx\n", fit_addr);
			} else
#endif
			{
				fpga_data = (void *)(uintptr_t)dev;
				debug("*  fpga: cmdline image addr = 0x%08lx\n",
				      (ulong)fpga_data);
			}

			debug("%s: fpga_data = 0x%lx\n",
			      __func__, (ulong)fpga_data);
			dev = FPGA_INVALID_DEVICE;	/* reset device num */
		}

	case 2:		/* fpga <op> */
		op = (int)fpga_get_op(argv[1]);
		break;

	default:
		debug("%s: Too many or too few args (%d)\n", __func__, argc);
		op = FPGA_NONE;	/* force usage display */
		break;
	}

	if (dev == FPGA_INVALID_DEVICE) {
		puts("FPGA device not specified\n");
		op = FPGA_NONE;
	}

	switch (op) {
	case FPGA_NONE:
	case FPGA_INFO:
		break;
#if defined(CONFIG_CMD_FPGA_LOADFS)
	case FPGA_LOADFS:
		/* Blocksize can be zero */
		if (!fpga_fsinfo.interface || !fpga_fsinfo.dev_part ||
		    !fpga_fsinfo.filename)
			wrong_parms = 1;
#endif
	case FPGA_LOAD:
	case FPGA_LOADP:
	case FPGA_LOADB:
	case FPGA_LOADBP:
	case FPGA_DUMP:
		if (!fpga_data || !data_size)
			wrong_parms = 1;
		break;
#if defined(CONFIG_CMD_FPGA_LOADMK)
	case FPGA_LOADMK:
		if (!fpga_data)
			wrong_parms = 1;
		break;
#endif
	}

	if (wrong_parms) {
		puts("Wrong parameters for FPGA request\n");
		op = FPGA_NONE;
	}

	switch (op) {
	case FPGA_NONE:
		return CMD_RET_USAGE;

	case FPGA_INFO:
		rc = fpga_info(dev);
		break;

	case FPGA_LOAD:
		rc = fpga_load(dev, fpga_data, data_size, BIT_FULL);
		break;

#if defined(CONFIG_CMD_FPGA_LOADP)
	case FPGA_LOADP:
		rc = fpga_load(dev, fpga_data, data_size, BIT_PARTIAL);
		break;
#endif

	case FPGA_LOADB:
		rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_FULL);
		break;

#if defined(CONFIG_CMD_FPGA_LOADBP)
	case FPGA_LOADBP:
		rc = fpga_loadbitstream(dev, fpga_data, data_size, BIT_PARTIAL);
		break;
#endif

#if defined(CONFIG_CMD_FPGA_LOADFS)
	case FPGA_LOADFS:
		rc = fpga_fsload(dev, fpga_data, data_size, &fpga_fsinfo);
		break;
#endif

#if defined(CONFIG_CMD_FPGA_LOADMK)
	case FPGA_LOADMK:
		switch (genimg_get_format(fpga_data)) {
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
		case IMAGE_FORMAT_LEGACY:
			{
				image_header_t *hdr =
						(image_header_t *)fpga_data;
				ulong data;
				uint8_t comp;

				comp = image_get_comp(hdr);
				if (comp == IH_COMP_GZIP) {
#if defined(CONFIG_GZIP)
					ulong image_buf = image_get_data(hdr);
					data = image_get_load(hdr);
					ulong image_size = ~0UL;

					if (gunzip((void *)data, ~0UL,
						   (void *)image_buf,
						   &image_size) != 0) {
						puts("GUNZIP: error\n");
						return 1;
					}
					data_size = image_size;
#else
					puts("Gunzip image is not supported\n");
					return 1;
#endif
				} else {
					data = (ulong)image_get_data(hdr);
					data_size = image_get_data_size(hdr);
				}
				rc = fpga_load(dev, (void *)data, data_size,
					       BIT_FULL);
			}
			break;
#endif
#if defined(CONFIG_FIT)
		case IMAGE_FORMAT_FIT:
			{
				const void *fit_hdr = (const void *)fpga_data;
				int noffset;
				const void *fit_data;

				if (fit_uname == NULL) {
					puts("No FIT subimage unit name\n");
					return 1;
				}

				if (!fit_check_format(fit_hdr)) {
					puts("Bad FIT image format\n");
					return 1;
				}

				/* get fpga component image node offset */
				noffset = fit_image_get_node(fit_hdr,
							     fit_uname);
				if (noffset < 0) {
					printf("Can't find '%s' FIT subimage\n",
					       fit_uname);
					return 1;
				}

				/* verify integrity */
				if (!fit_image_verify(fit_hdr, noffset)) {
					puts ("Bad Data Hash\n");
					return 1;
				}

				/* get fpga subimage data address and length */
				if (fit_image_get_data(fit_hdr, noffset,
						       &fit_data, &data_size)) {
					puts("Fpga subimage data not found\n");
					return 1;
				}

				rc = fpga_load(dev, fit_data, data_size,
					       BIT_FULL);
			}
			break;
#endif
		default:
			puts("** Unknown image type\n");
			rc = FPGA_FAIL;
			break;
		}
		break;
#endif

	case FPGA_DUMP:
		rc = fpga_dump(dev, fpga_data, data_size);
		break;

	default:
		printf("Unknown operation\n");
		return CMD_RET_USAGE;
	}
	return rc;
}

/*
 * Map op to supported operations.  We don't use a table since we
 * would just have to relocate it from flash anyway.
 */
static int fpga_get_op(char *opstr)
{
	int op = FPGA_NONE;

	if (!strcmp("info", opstr))
		op = FPGA_INFO;
	else if (!strcmp("loadb", opstr))
		op = FPGA_LOADB;
	else if (!strcmp("load", opstr))
		op = FPGA_LOAD;
#if defined(CONFIG_CMD_FPGA_LOADP)
	else if (!strcmp("loadp", opstr))
		op = FPGA_LOADP;
#endif
#if defined(CONFIG_CMD_FPGA_LOADBP)
	else if (!strcmp("loadbp", opstr))
		op = FPGA_LOADBP;
#endif
#if defined(CONFIG_CMD_FPGA_LOADFS)
	else if (!strcmp("loadfs", opstr))
		op = FPGA_LOADFS;
#endif
#if defined(CONFIG_CMD_FPGA_LOADMK)
	else if (!strcmp("loadmk", opstr))
		op = FPGA_LOADMK;
#endif
	else if (!strcmp("dump", opstr))
		op = FPGA_DUMP;

	if (op == FPGA_NONE)
		printf("Unknown fpga operation \"%s\"\n", opstr);

	return op;
}

#if defined(CONFIG_CMD_FPGA_LOADFS)
U_BOOT_CMD(fpga, 9, 1, do_fpga,
#else
U_BOOT_CMD(fpga, 6, 1, do_fpga,
#endif
	   "loadable FPGA image support",
	   "[operation type] [device number] [image address] [image size]\n"
	   "fpga operations:\n"
	   "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
	   "  info\t[dev]\t\t\tlist known device information\n"
	   "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
#if defined(CONFIG_CMD_FPGA_LOADP)
	   "  loadp\t[dev] [address] [size]\t"
	   "Load device from memory buffer with partial bitstream\n"
#endif
	   "  loadb\t[dev] [address] [size]\t"
	   "Load device from bitstream buffer (Xilinx only)\n"
#if defined(CONFIG_CMD_FPGA_LOADBP)
	   "  loadbp\t[dev] [address] [size]\t"
	   "Load device from bitstream buffer with partial bitstream"
	   "(Xilinx only)\n"
#endif
#if defined(CONFIG_CMD_FPGA_LOADFS)
	   "Load device from filesystem (FAT by default) (Xilinx only)\n"
	   "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
	   "        [<dev[:part]>] <filename>\n"
#endif
#if defined(CONFIG_CMD_FPGA_LOADMK)
	   "  loadmk [dev] [address]\tLoad device generated with mkimage"
#if defined(CONFIG_FIT)
	   "\n"
	   "\tFor loadmk operating on FIT format uImage address must include\n"
	   "\tsubimage unit name in the form of addr:<subimg_uname>"
#endif
#endif
);