Merge tag 'efi-2023-01-rc1-3' of https://source.denx.de/u-boot/custodians/u-boot-efi
[platform/kernel/u-boot.git] / cmd / fpga.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2000, 2001
4  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
5  */
6
7 /*
8  *  FPGA support
9  */
10 #include <common.h>
11 #include <command.h>
12 #include <env.h>
13 #include <fpga.h>
14 #include <fs.h>
15 #include <gzip.h>
16 #include <image.h>
17 #include <log.h>
18 #include <malloc.h>
19
20 static long do_fpga_get_device(char *arg)
21 {
22         long dev = FPGA_INVALID_DEVICE;
23         char *devstr = env_get("fpga");
24
25         if (devstr)
26                 /* Should be strtol to handle -1 cases */
27                 dev = simple_strtol(devstr, NULL, 16);
28
29         if (dev == FPGA_INVALID_DEVICE && arg)
30                 dev = simple_strtol(arg, NULL, 16);
31
32         debug("%s: device = %ld\n", __func__, dev);
33
34         return dev;
35 }
36
37 static int do_fpga_check_params(long *dev, long *fpga_data, size_t *data_size,
38                                 struct cmd_tbl *cmdtp, int argc,
39                                 char *const argv[])
40 {
41         size_t local_data_size;
42         long local_fpga_data;
43
44         debug("%s %d, %d\n", __func__, argc, cmdtp->maxargs);
45
46         if (argc != cmdtp->maxargs) {
47                 debug("fpga: incorrect parameters passed\n");
48                 return CMD_RET_USAGE;
49         }
50
51         *dev = do_fpga_get_device(argv[0]);
52
53         local_fpga_data = simple_strtol(argv[1], NULL, 16);
54         if (!local_fpga_data) {
55                 debug("fpga: zero fpga_data address\n");
56                 return CMD_RET_USAGE;
57         }
58         *fpga_data = local_fpga_data;
59
60         local_data_size = hextoul(argv[2], NULL);
61         if (!local_data_size) {
62                 debug("fpga: zero size\n");
63                 return CMD_RET_USAGE;
64         }
65         *data_size = local_data_size;
66
67         return 0;
68 }
69
70 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
71 int do_fpga_loads(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
72 {
73         size_t data_size = 0;
74         long fpga_data, dev;
75         int ret;
76         struct fpga_secure_info fpga_sec_info;
77
78         memset(&fpga_sec_info, 0, sizeof(fpga_sec_info));
79
80         if (argc < 5) {
81                 debug("fpga: incorrect parameters passed\n");
82                 return CMD_RET_USAGE;
83         }
84
85         if (argc == 6)
86                 fpga_sec_info.userkey_addr = (u8 *)(uintptr_t)
87                                               simple_strtoull(argv[5],
88                                                               NULL, 16);
89         else
90                 /*
91                  * If 6th parameter is not passed then do_fpga_check_params
92                  * will get 5 instead of expected 6 which means that function
93                  * return CMD_RET_USAGE. Increase number of params +1 to pass
94                  * this.
95                  */
96                 argc++;
97
98         fpga_sec_info.encflag = (u8)hextoul(argv[4], NULL);
99         fpga_sec_info.authflag = (u8)hextoul(argv[3], NULL);
100
101         if (fpga_sec_info.authflag >= FPGA_NO_ENC_OR_NO_AUTH &&
102             fpga_sec_info.encflag >= FPGA_NO_ENC_OR_NO_AUTH) {
103                 debug("fpga: Use <fpga load> for NonSecure bitstream\n");
104                 return CMD_RET_USAGE;
105         }
106
107         if (fpga_sec_info.encflag == FPGA_ENC_USR_KEY &&
108             !fpga_sec_info.userkey_addr) {
109                 debug("fpga: User key not provided\n");
110                 return CMD_RET_USAGE;
111         }
112
113         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
114                                    cmdtp, argc, argv);
115         if (ret)
116                 return ret;
117
118         return fpga_loads(dev, (void *)fpga_data, data_size, &fpga_sec_info);
119 }
120 #endif
121
122 #if defined(CONFIG_CMD_FPGA_LOADFS)
123 static int do_fpga_loadfs(struct cmd_tbl *cmdtp, int flag, int argc,
124                           char *const argv[])
125 {
126         size_t data_size = 0;
127         long fpga_data, dev;
128         int ret;
129         fpga_fs_info fpga_fsinfo;
130
131         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
132                                    cmdtp, argc, argv);
133         if (ret)
134                 return ret;
135
136         fpga_fsinfo.fstype = FS_TYPE_ANY;
137         fpga_fsinfo.blocksize = (unsigned int)hextoul(argv[3], NULL);
138         fpga_fsinfo.interface = argv[4];
139         fpga_fsinfo.dev_part = argv[5];
140         fpga_fsinfo.filename = argv[6];
141
142         return fpga_fsload(dev, (void *)fpga_data, data_size, &fpga_fsinfo);
143 }
144 #endif
145
146 static int do_fpga_info(struct cmd_tbl *cmdtp, int flag, int argc,
147                         char *const argv[])
148 {
149         long dev = do_fpga_get_device(argv[0]);
150
151         return fpga_info(dev);
152 }
153
154 static int do_fpga_dump(struct cmd_tbl *cmdtp, int flag, int argc,
155                         char *const argv[])
156 {
157         size_t data_size = 0;
158         long fpga_data, dev;
159         int ret;
160
161         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
162                                    cmdtp, argc, argv);
163         if (ret)
164                 return ret;
165
166         return fpga_dump(dev, (void *)fpga_data, data_size);
167 }
168
169 static int do_fpga_load(struct cmd_tbl *cmdtp, int flag, int argc,
170                         char *const argv[])
171 {
172         size_t data_size = 0;
173         long fpga_data, dev;
174         int ret;
175
176         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
177                                    cmdtp, argc, argv);
178         if (ret)
179                 return ret;
180
181         return fpga_load(dev, (void *)fpga_data, data_size, BIT_FULL, 0);
182 }
183
184 static int do_fpga_loadb(struct cmd_tbl *cmdtp, int flag, int argc,
185                          char *const argv[])
186 {
187         size_t data_size = 0;
188         long fpga_data, dev;
189         int ret;
190
191         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
192                                    cmdtp, argc, argv);
193         if (ret)
194                 return ret;
195
196         return fpga_loadbitstream(dev, (void *)fpga_data, data_size, BIT_FULL);
197 }
198
199 #if defined(CONFIG_CMD_FPGA_LOADP)
200 static int do_fpga_loadp(struct cmd_tbl *cmdtp, int flag, int argc,
201                          char *const argv[])
202 {
203         size_t data_size = 0;
204         long fpga_data, dev;
205         int ret;
206
207         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
208                                    cmdtp, argc, argv);
209         if (ret)
210                 return ret;
211
212         return fpga_load(dev, (void *)fpga_data, data_size, BIT_PARTIAL, 0);
213 }
214 #endif
215
216 #if defined(CONFIG_CMD_FPGA_LOADBP)
217 static int do_fpga_loadbp(struct cmd_tbl *cmdtp, int flag, int argc,
218                           char *const argv[])
219 {
220         size_t data_size = 0;
221         long fpga_data, dev;
222         int ret;
223
224         ret = do_fpga_check_params(&dev, &fpga_data, &data_size,
225                                    cmdtp, argc, argv);
226         if (ret)
227                 return ret;
228
229         return fpga_loadbitstream(dev, (void *)fpga_data, data_size,
230                                   BIT_PARTIAL);
231 }
232 #endif
233
234 #if defined(CONFIG_CMD_FPGA_LOADMK)
235 static int do_fpga_loadmk(struct cmd_tbl *cmdtp, int flag, int argc,
236                           char *const argv[])
237 {
238         size_t data_size = 0;
239         void *fpga_data = NULL;
240 #if defined(CONFIG_FIT)
241         const char *fit_uname = NULL;
242         ulong fit_addr;
243 #endif
244         ulong dev = do_fpga_get_device(argv[0]);
245         char *datastr = env_get("fpgadata");
246
247         debug("fpga: argc %x, dev %lx, datastr %s\n", argc, dev, datastr);
248
249         if (dev == FPGA_INVALID_DEVICE) {
250                 debug("fpga: Invalid fpga device\n");
251                 return CMD_RET_USAGE;
252         }
253
254         if (argc == 0 && !datastr) {
255                 debug("fpga: No datastr passed\n");
256                 return CMD_RET_USAGE;
257         }
258
259         if (argc == 2) {
260                 datastr = argv[1];
261                 debug("fpga: Full command with two args\n");
262         } else if (argc == 1 && !datastr) {
263                 debug("fpga: Dev is setup - fpgadata passed\n");
264                 datastr = argv[0];
265         }
266
267 #if defined(CONFIG_FIT)
268         if (fit_parse_subimage(datastr, (ulong)fpga_data,
269                                &fit_addr, &fit_uname)) {
270                 fpga_data = (void *)fit_addr;
271                 debug("*  fpga: subimage '%s' from FIT image ",
272                       fit_uname);
273                 debug("at 0x%08lx\n", fit_addr);
274         } else
275 #endif
276         {
277                 fpga_data = (void *)hextoul(datastr, NULL);
278                 debug("*  fpga: cmdline image address = 0x%08lx\n",
279                       (ulong)fpga_data);
280         }
281         debug("%s: fpga_data = 0x%lx\n", __func__, (ulong)fpga_data);
282         if (!fpga_data) {
283                 puts("Zero fpga_data address\n");
284                 return CMD_RET_USAGE;
285         }
286
287         switch (genimg_get_format(fpga_data)) {
288 #if defined(CONFIG_LEGACY_IMAGE_FORMAT)
289         case IMAGE_FORMAT_LEGACY:
290         {
291                 struct legacy_img_hdr *hdr = (struct legacy_img_hdr *)fpga_data;
292                 ulong data;
293                 u8 comp;
294
295                 comp = image_get_comp(hdr);
296                 if (comp == IH_COMP_GZIP) {
297 #if defined(CONFIG_GZIP)
298                         ulong image_buf = image_get_data(hdr);
299                         ulong image_size = ~0UL;
300
301                         data = image_get_load(hdr);
302
303                         if (gunzip((void *)data, ~0UL, (void *)image_buf,
304                                    &image_size) != 0) {
305                                 puts("GUNZIP: error\n");
306                                 return CMD_RET_FAILURE;
307                         }
308                         data_size = image_size;
309 #else
310                         puts("Gunzip image is not supported\n");
311                         return 1;
312 #endif
313                 } else {
314                         data = (ulong)image_get_data(hdr);
315                         data_size = image_get_data_size(hdr);
316                 }
317                 return fpga_load(dev, (void *)data, data_size,
318                                   BIT_FULL, 0);
319         }
320 #endif
321 #if defined(CONFIG_FIT)
322         case IMAGE_FORMAT_FIT:
323         {
324                 const void *fit_hdr = (const void *)fpga_data;
325                 int err;
326                 const void *fit_data;
327
328                 if (!fit_uname) {
329                         puts("No FIT subimage unit name\n");
330                         return CMD_RET_FAILURE;
331                 }
332
333                 if (fit_check_format(fit_hdr, IMAGE_SIZE_INVAL)) {
334                         puts("Bad FIT image format\n");
335                         return CMD_RET_FAILURE;
336                 }
337
338                 err = fit_get_data_node(fit_hdr, fit_uname, &fit_data,
339                                         &data_size);
340                 if (err) {
341                         printf("Could not load '%s' subimage (err %d)\n",
342                                fit_uname, err);
343                         return CMD_RET_FAILURE;
344                 }
345
346                 return fpga_load(dev, fit_data, data_size, BIT_FULL, 0);
347         }
348 #endif
349         default:
350                 puts("** Unknown image type\n");
351                 return CMD_RET_FAILURE;
352         }
353 }
354 #endif
355
356 static struct cmd_tbl fpga_commands[] = {
357         U_BOOT_CMD_MKENT(info, 1, 1, do_fpga_info, "", ""),
358         U_BOOT_CMD_MKENT(dump, 3, 1, do_fpga_dump, "", ""),
359         U_BOOT_CMD_MKENT(load, 3, 1, do_fpga_load, "", ""),
360         U_BOOT_CMD_MKENT(loadb, 3, 1, do_fpga_loadb, "", ""),
361 #if defined(CONFIG_CMD_FPGA_LOADP)
362         U_BOOT_CMD_MKENT(loadp, 3, 1, do_fpga_loadp, "", ""),
363 #endif
364 #if defined(CONFIG_CMD_FPGA_LOADBP)
365         U_BOOT_CMD_MKENT(loadbp, 3, 1, do_fpga_loadbp, "", ""),
366 #endif
367 #if defined(CONFIG_CMD_FPGA_LOADFS)
368         U_BOOT_CMD_MKENT(loadfs, 7, 1, do_fpga_loadfs, "", ""),
369 #endif
370 #if defined(CONFIG_CMD_FPGA_LOADMK)
371         U_BOOT_CMD_MKENT(loadmk, 2, 1, do_fpga_loadmk, "", ""),
372 #endif
373 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
374         U_BOOT_CMD_MKENT(loads, 6, 1, do_fpga_loads, "", ""),
375 #endif
376 };
377
378 static int do_fpga_wrapper(struct cmd_tbl *cmdtp, int flag, int argc,
379                            char *const argv[])
380 {
381         struct cmd_tbl *fpga_cmd;
382         int ret;
383
384         if (argc < 2)
385                 return CMD_RET_USAGE;
386
387         fpga_cmd = find_cmd_tbl(argv[1], fpga_commands,
388                                 ARRAY_SIZE(fpga_commands));
389         if (!fpga_cmd) {
390                 debug("fpga: non existing command\n");
391                 return CMD_RET_USAGE;
392         }
393
394         argc -= 2;
395         argv += 2;
396
397         if (argc > fpga_cmd->maxargs) {
398                 debug("fpga: more parameters passed\n");
399                 return CMD_RET_USAGE;
400         }
401
402         ret = fpga_cmd->cmd(fpga_cmd, flag, argc, argv);
403
404         return cmd_process_error(fpga_cmd, ret);
405 }
406
407 #if defined(CONFIG_CMD_FPGA_LOADFS) || defined(CONFIG_CMD_FPGA_LOAD_SECURE)
408 U_BOOT_CMD(fpga, 9, 1, do_fpga_wrapper,
409 #else
410 U_BOOT_CMD(fpga, 6, 1, do_fpga_wrapper,
411 #endif
412            "loadable FPGA image support",
413            "[operation type] [device number] [image address] [image size]\n"
414            "fpga operations:\n"
415            "  dump\t[dev] [address] [size]\tLoad device to memory buffer\n"
416            "  info\t[dev]\t\t\tlist known device information\n"
417            "  load\t[dev] [address] [size]\tLoad device from memory buffer\n"
418 #if defined(CONFIG_CMD_FPGA_LOADP)
419            "  loadp\t[dev] [address] [size]\t"
420            "Load device from memory buffer with partial bitstream\n"
421 #endif
422            "  loadb\t[dev] [address] [size]\t"
423            "Load device from bitstream buffer (Xilinx only)\n"
424 #if defined(CONFIG_CMD_FPGA_LOADBP)
425            "  loadbp\t[dev] [address] [size]\t"
426            "Load device from bitstream buffer with partial bitstream"
427            "(Xilinx only)\n"
428 #endif
429 #if defined(CONFIG_CMD_FPGA_LOADFS)
430            "Load device from filesystem (FAT by default) (Xilinx only)\n"
431            "  loadfs [dev] [address] [image size] [blocksize] <interface>\n"
432            "        [<dev[:part]>] <filename>\n"
433 #endif
434 #if defined(CONFIG_CMD_FPGA_LOADMK)
435            "  loadmk [dev] [address]\tLoad device generated with mkimage"
436 #if defined(CONFIG_FIT)
437            "\n"
438            "\tFor loadmk operating on FIT format uImage address must include\n"
439            "\tsubimage unit name in the form of addr:<subimg_uname>"
440 #endif
441 #endif
442 #if defined(CONFIG_CMD_FPGA_LOAD_SECURE)
443            "Load encrypted bitstream (Xilinx only)\n"
444            "  loads [dev] [address] [size] [auth-OCM-0/DDR-1/noauth-2]\n"
445            "        [enc-devkey(0)/userkey(1)/nenc(2) [Userkey address]\n"
446            "Loads the secure bistreams(authenticated/encrypted/both\n"
447            "authenticated and encrypted) of [size] from [address].\n"
448            "The auth-OCM/DDR flag specifies to perform authentication\n"
449            "in OCM or in DDR. 0 for OCM, 1 for DDR, 2 for no authentication.\n"
450            "The enc flag specifies which key to be used for decryption\n"
451            "0-device key, 1-user key, 2-no encryption.\n"
452            "The optional Userkey address specifies from which address key\n"
453            "has to be used for decryption if user key is selected.\n"
454            "NOTE: the secure bitstream has to be created using Xilinx\n"
455            "bootgen tool only.\n"
456 #endif
457 );