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 void fpga_usage (cmd_tbl_t * cmdtp);
48 static int fpga_get_op (char *opstr);
58 /* Convert bitstream data and load into the fpga */
59 int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size)
61 #if defined(CONFIG_FPGA_XILINX)
63 unsigned int swapsize;
65 unsigned char *dataptr;
69 dataptr = (unsigned char *)fpgadata;
71 /* skip the first bytes of the bitsteam, their meaning is unknown */
72 length = (*dataptr << 8) + *(dataptr+1);
76 /* get design name (identifier, length, string) */
77 length = (*dataptr << 8) + *(dataptr+1);
79 if (*dataptr++ != 0x61) {
80 PRINTF ("%s: Design name identifier not recognized in bitstream\n",
85 length = (*dataptr << 8) + *(dataptr+1);
90 printf(" design filename = \"%s\"\n", buffer);
92 /* get part number (identifier, length, string) */
93 if (*dataptr++ != 0x62) {
94 printf("%s: Part number identifier not recognized in bitstream\n",
99 length = (*dataptr << 8) + *(dataptr+1);
101 for(i=0;i<length;i++)
102 buffer[i]=*dataptr++;
103 printf(" part number = \"%s\"\n", buffer);
105 /* get date (identifier, length, string) */
106 if (*dataptr++ != 0x63) {
107 printf("%s: Date identifier not recognized in bitstream\n",
112 length = (*dataptr << 8) + *(dataptr+1);
114 for(i=0;i<length;i++)
115 buffer[i]=*dataptr++;
116 printf(" date = \"%s\"\n", buffer);
118 /* get time (identifier, length, string) */
119 if (*dataptr++ != 0x64) {
120 printf("%s: Time identifier not recognized in bitstream\n",__FUNCTION__);
124 length = (*dataptr << 8) + *(dataptr+1);
126 for(i=0;i<length;i++)
127 buffer[i]=*dataptr++;
128 printf(" time = \"%s\"\n", buffer);
130 /* get fpga data length (identifier, length) */
131 if (*dataptr++ != 0x65) {
132 printf("%s: Data length identifier not recognized in bitstream\n",
136 swapsize = ((unsigned int) *dataptr <<24) +
137 ((unsigned int) *(dataptr+1) <<16) +
138 ((unsigned int) *(dataptr+2) <<8 ) +
139 ((unsigned int) *(dataptr+3) ) ;
141 printf(" bytes in bitstream = %d\n", swapsize);
143 rc = fpga_load(dev, dataptr, swapsize);
146 printf("Bitstream support only for Xilinx devices\n");
151 /* ------------------------------------------------------------------------- */
153 * fpga <op> <device number> <data addr> <datasize>
154 * where op is 'load', 'dump', or 'info'
155 * If there is no device number field, the fpga environment variable is used.
156 * If there is no data addr field, the fpgadata environment variable is used.
157 * The info command requires no data address field.
159 int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
161 int op, dev = FPGA_INVALID_DEVICE;
162 size_t data_size = 0;
163 void *fpga_data = NULL;
164 char *devstr = getenv ("fpga");
165 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 */
239 rc = fpga_info (dev);
243 rc = fpga_load (dev, fpga_data, data_size);
247 rc = fpga_loadbitstream(dev, fpga_data, data_size);
251 switch (genimg_get_format (fpga_data)) {
252 case IMAGE_FORMAT_LEGACY:
254 image_header_t *hdr = (image_header_t *)fpga_data;
257 data = (ulong)image_get_data (hdr);
258 data_size = image_get_data_size (hdr);
259 rc = fpga_load (dev, (void *)data, data_size);
262 #if defined(CONFIG_FIT)
263 case IMAGE_FORMAT_FIT:
265 const void *fit_hdr = (const void *)fpga_data;
269 if (fit_uname == NULL) {
270 puts ("No FIT subimage unit name\n");
274 if (!fit_check_format (fit_hdr)) {
275 puts ("Bad FIT image format\n");
279 /* get fpga component image node offset */
280 noffset = fit_image_get_node (fit_hdr, fit_uname);
282 printf ("Can't find '%s' FIT subimage\n", fit_uname);
286 /* verify integrity */
287 if (!fit_image_check_hashes (fit_hdr, noffset)) {
288 puts ("Bad Data Hash\n");
292 /* get fpga subimage data address and length */
293 if (fit_image_get_data (fit_hdr, noffset, &fit_data, &data_size)) {
294 puts ("Could not find fpga subimage data\n");
298 rc = fpga_load (dev, fit_data, data_size);
303 puts ("** Unknown image type\n");
310 rc = fpga_dump (dev, fpga_data, data_size);
314 printf ("Unknown operation\n");
321 static void fpga_usage (cmd_tbl_t * cmdtp)
323 printf ("Usage:\n%s\n", cmdtp->usage);
327 * Map op to supported operations. We don't use a table since we
328 * would just have to relocate it from flash anyway.
330 static int fpga_get_op (char *opstr)
334 if (!strcmp ("info", opstr)) {
336 } else if (!strcmp ("loadb", opstr)) {
338 } else if (!strcmp ("load", opstr)) {
340 } else if (!strcmp ("loadmk", opstr)) {
342 } else if (!strcmp ("dump", opstr)) {
346 if (op == FPGA_NONE) {
347 printf ("Unknown fpga operation \"%s\"\n", opstr);
352 U_BOOT_CMD (fpga, 6, 1, do_fpga,
353 "fpga - loadable FPGA image support\n",
354 "fpga [operation type] [device number] [image address] [image size]\n"
356 "\tinfo\tlist known device information\n"
357 "\tload\tLoad device from memory buffer\n"
358 "\tloadb\tLoad device from bitstream buffer (Xilinx devices only)\n"
359 "\tloadmk\tLoad device generated with mkimage\n"
360 "\tdump\tLoad device to memory buffer\n"
361 #if defined(CONFIG_FIT)
362 "\tFor loadmk operating on FIT format uImage address must include\n"
363 "\tsubimage unit name in the form of addr:<subimg_uname>\n"