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 (CONFIG_COMMANDS & CFG_CMD_NET)
40 #define PRINTF(fmt,args...) printf (fmt ,##args)
42 #define PRINTF(fmt,args...)
45 #if defined (CONFIG_FPGA) && ( CONFIG_COMMANDS & CFG_CMD_FPGA )
48 static void fpga_usage (cmd_tbl_t * cmdtp);
49 static int fpga_get_op (char *opstr);
57 /* ------------------------------------------------------------------------- */
59 * fpga <op> <device number> <data addr> <datasize>
60 * where op is 'load', 'dump', or 'info'
61 * If there is no device number field, the fpga environment variable is used.
62 * If there is no data addr field, the fpgadata environment variable is used.
63 * The info command requires no data address field.
65 int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
67 int op, dev = FPGA_INVALID_DEVICE;
69 void *fpga_data = NULL;
70 char *devstr = getenv ("fpga");
71 char *datastr = getenv ("fpgadata");
75 dev = (int) simple_strtoul (devstr, NULL, 16);
77 fpga_data = (void *) simple_strtoul (datastr, NULL, 16);
80 case 5: /* fpga <op> <dev> <data> <datasize> */
81 data_size = simple_strtoul (argv[4], NULL, 16);
82 case 4: /* fpga <op> <dev> <data> */
83 fpga_data = (void *) simple_strtoul (argv[3], NULL, 16);
84 PRINTF (__FUNCTION__ ": fpga_data = 0x%x\n",
86 case 3: /* fpga <op> <dev | data addr> */
87 dev = (int) simple_strtoul (argv[2], NULL, 16);
88 PRINTF (__FUNCTION__ ": device = %d\n", dev);
89 /* FIXME - this is a really weak test */
90 if ((argc == 3) && (dev > fpga_count ())) { /* must be buffer ptr */
92 ": Assuming buffer pointer in arg 3\n");
93 fpga_data = (void *) dev;
94 PRINTF (__FUNCTION__ ": fpga_data = 0x%x\n",
96 dev = FPGA_INVALID_DEVICE; /* reset device num */
98 case 2: /* fpga <op> */
99 op = (int) fpga_get_op (argv[1]);
102 PRINTF (__FUNCTION__ ": Too many or too few args (%d)\n",
104 op = FPGA_NONE; /* force usage display */
114 rc = fpga_info (dev);
118 rc = fpga_load (dev, fpga_data, data_size);
122 rc = fpga_dump (dev, fpga_data, data_size);
126 printf ("Unknown operation.\n");
133 static void fpga_usage (cmd_tbl_t * cmdtp)
135 printf ("Usage:\n%s\n", cmdtp->usage);
139 * Map op to supported operations. We don't use a table since we
140 * would just have to relocate it from flash anyway.
142 static int fpga_get_op (char *opstr)
146 if (!strcmp ("info", opstr)) {
148 } else if (!strcmp ("load", opstr)) {
150 } else if (!strcmp ("dump", opstr)) {
154 if (op == FPGA_NONE) {
155 printf ("Unknown fpga operation \"%s\"\n", opstr);
160 U_BOOT_CMD (fpga, 6, 1, do_fpga,
161 "fpga - loadable FPGA image support\n",
162 "fpga [operation type] [device number] [image address] [image size]\n"
164 "\tinfo\tlist known device information.\n"
165 "\tload\tLoad device from memory buffer.\n"
166 "\tdump\tLoad device to memory buffer.\n");
167 #endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */