2 * (C) Copyright 2000, 2001
3 * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 #if defined(CONFIG_CMD_NET)
41 #define PRINTF(fmt,args...) printf (fmt ,##args)
43 #define PRINTF(fmt,args...)
47 static int fpga_get_op (char *opstr);
57 /* Convert bitstream data and load into the fpga */
58 int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size)
60 #if defined(CONFIG_FPGA_XILINX)
62 unsigned int swapsize;
64 unsigned char *dataptr;
68 dataptr = (unsigned char *)fpgadata;
70 /* skip the first bytes of the bitsteam, their meaning is unknown */
71 length = (*dataptr << 8) + *(dataptr+1);
75 /* get design name (identifier, length, string) */
76 length = (*dataptr << 8) + *(dataptr+1);
78 if (*dataptr++ != 0x61) {
79 PRINTF ("%s: Design name identifier not recognized in bitstream\n",
84 length = (*dataptr << 8) + *(dataptr+1);
87 buffer[i] = *dataptr++;
89 printf(" design filename = \"%s\"\n", buffer);
91 /* get part number (identifier, length, string) */
92 if (*dataptr++ != 0x62) {
93 printf("%s: Part number identifier not recognized in bitstream\n",
98 length = (*dataptr << 8) + *(dataptr+1);
100 for(i=0;i<length;i++)
101 buffer[i] = *dataptr++;
102 printf(" part number = \"%s\"\n", buffer);
104 /* get date (identifier, length, string) */
105 if (*dataptr++ != 0x63) {
106 printf("%s: Date identifier not recognized in bitstream\n",
111 length = (*dataptr << 8) + *(dataptr+1);
113 for(i=0;i<length;i++)
114 buffer[i] = *dataptr++;
115 printf(" date = \"%s\"\n", buffer);
117 /* get time (identifier, length, string) */
118 if (*dataptr++ != 0x64) {
119 printf("%s: Time identifier not recognized in bitstream\n",__FUNCTION__);
123 length = (*dataptr << 8) + *(dataptr+1);
125 for(i=0;i<length;i++)
126 buffer[i] = *dataptr++;
127 printf(" time = \"%s\"\n", buffer);
129 /* get fpga data length (identifier, length) */
130 if (*dataptr++ != 0x65) {
131 printf("%s: Data length identifier not recognized in bitstream\n",
135 swapsize = ((unsigned int) *dataptr <<24) +
136 ((unsigned int) *(dataptr+1) <<16) +
137 ((unsigned int) *(dataptr+2) <<8 ) +
138 ((unsigned int) *(dataptr+3) ) ;
140 printf(" bytes in bitstream = %d\n", swapsize);
142 rc = fpga_load(dev, dataptr, swapsize);
145 printf("Bitstream support only for Xilinx devices\n");
150 /* ------------------------------------------------------------------------- */
152 * fpga <op> <device number> <data addr> <datasize>
153 * where op is 'load', 'dump', or 'info'
154 * If there is no device number field, the fpga environment variable is used.
155 * If there is no data addr field, the fpgadata environment variable is used.
156 * The info command requires no data address field.
158 int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
160 int op, dev = FPGA_INVALID_DEVICE;
161 size_t data_size = 0;
162 void *fpga_data = NULL;
163 char *devstr = getenv ("fpga");
164 char *datastr = getenv ("fpgadata");
167 #if defined (CONFIG_FIT)
168 const char *fit_uname = NULL;
173 dev = (int) simple_strtoul (devstr, NULL, 16);
175 fpga_data = (void *) simple_strtoul (datastr, NULL, 16);
178 case 5: /* fpga <op> <dev> <data> <datasize> */
179 data_size = simple_strtoul (argv[4], NULL, 16);
181 case 4: /* fpga <op> <dev> <data> */
182 #if defined(CONFIG_FIT)
183 if (fit_parse_subimage (argv[3], (ulong)fpga_data,
184 &fit_addr, &fit_uname)) {
185 fpga_data = (void *)fit_addr;
186 debug ("* fpga: subimage '%s' from FIT image at 0x%08lx\n",
187 fit_uname, fit_addr);
191 fpga_data = (void *) simple_strtoul (argv[3], NULL, 16);
192 debug ("* fpga: cmdline image address = 0x%08lx\n", (ulong)fpga_data);
194 PRINTF ("%s: fpga_data = 0x%x\n", __FUNCTION__, (uint) fpga_data);
196 case 3: /* fpga <op> <dev | data addr> */
197 dev = (int) simple_strtoul (argv[2], NULL, 16);
198 PRINTF ("%s: device = %d\n", __FUNCTION__, dev);
199 /* FIXME - this is a really weak test */
200 if ((argc == 3) && (dev > fpga_count ())) { /* must be buffer ptr */
201 PRINTF ("%s: Assuming buffer pointer in arg 3\n",
204 #if defined(CONFIG_FIT)
205 if (fit_parse_subimage (argv[2], (ulong)fpga_data,
206 &fit_addr, &fit_uname)) {
207 fpga_data = (void *)fit_addr;
208 debug ("* fpga: subimage '%s' from FIT image at 0x%08lx\n",
209 fit_uname, fit_addr);
213 fpga_data = (void *) dev;
214 debug ("* fpga: cmdline image address = 0x%08lx\n", (ulong)fpga_data);
217 PRINTF ("%s: fpga_data = 0x%x\n",
218 __FUNCTION__, (uint) fpga_data);
219 dev = FPGA_INVALID_DEVICE; /* reset device num */
222 case 2: /* fpga <op> */
223 op = (int) fpga_get_op (argv[1]);
227 PRINTF ("%s: Too many or too few args (%d)\n",
229 op = FPGA_NONE; /* force usage display */
233 if (dev == FPGA_INVALID_DEVICE) {
234 puts("FPGA device not specified\n");
245 if (!fpga_data || !data_size)
255 puts("Wrong parameters for FPGA request\n");
261 return cmd_usage(cmdtp);
264 rc = fpga_info (dev);
268 rc = fpga_load (dev, fpga_data, data_size);
272 rc = fpga_loadbitstream(dev, fpga_data, data_size);
276 switch (genimg_get_format (fpga_data)) {
277 case IMAGE_FORMAT_LEGACY:
279 image_header_t *hdr = (image_header_t *)fpga_data;
282 data = (ulong)image_get_data (hdr);
283 data_size = image_get_data_size (hdr);
284 rc = fpga_load (dev, (void *)data, data_size);
287 #if defined(CONFIG_FIT)
288 case IMAGE_FORMAT_FIT:
290 const void *fit_hdr = (const void *)fpga_data;
292 const void *fit_data;
294 if (fit_uname == NULL) {
295 puts ("No FIT subimage unit name\n");
299 if (!fit_check_format (fit_hdr)) {
300 puts ("Bad FIT image format\n");
304 /* get fpga component image node offset */
305 noffset = fit_image_get_node (fit_hdr, fit_uname);
307 printf ("Can't find '%s' FIT subimage\n", fit_uname);
311 /* verify integrity */
312 if (!fit_image_check_hashes (fit_hdr, noffset)) {
313 puts ("Bad Data Hash\n");
317 /* get fpga subimage data address and length */
318 if (fit_image_get_data (fit_hdr, noffset, &fit_data, &data_size)) {
319 puts ("Could not find fpga subimage data\n");
323 rc = fpga_load (dev, fit_data, data_size);
328 puts ("** Unknown image type\n");
335 rc = fpga_dump (dev, fpga_data, data_size);
339 printf ("Unknown operation\n");
340 return cmd_usage(cmdtp);
346 * Map op to supported operations. We don't use a table since we
347 * would just have to relocate it from flash anyway.
349 static int fpga_get_op (char *opstr)
353 if (!strcmp ("info", opstr)) {
355 } else if (!strcmp ("loadb", opstr)) {
357 } else if (!strcmp ("load", opstr)) {
359 } else if (!strcmp ("loadmk", opstr)) {
361 } else if (!strcmp ("dump", opstr)) {
365 if (op == FPGA_NONE) {
366 printf ("Unknown fpga operation \"%s\"\n", opstr);
371 U_BOOT_CMD (fpga, 6, 1, do_fpga,
372 "loadable FPGA image support",
373 "[operation type] [device number] [image address] [image size]\n"
375 " dump\t[dev]\t\t\tLoad device to memory buffer\n"
376 " info\t[dev]\t\t\tlist known device information\n"
377 " load\t[dev] [address] [size]\tLoad device from memory buffer\n"
378 " loadb\t[dev] [address] [size]\t"
379 "Load device from bitstream buffer (Xilinx only)\n"
380 " loadmk [dev] [address]\tLoad device generated with mkimage"
381 #if defined(CONFIG_FIT)
383 "\tFor loadmk operating on FIT format uImage address must include\n"
384 "\tsubimage unit name in the form of addr:<subimg_uname>"