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git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_fpga.c
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,
32 #if (CONFIG_COMMANDS & CFG_CMD_NET)
41 #define PRINTF(fmt,args...) printf (fmt ,##args)
43 #define PRINTF(fmt,args...)
46 #if defined (CONFIG_FPGA) && ( CONFIG_COMMANDS & CFG_CMD_FPGA )
49 static void fpga_usage ( cmd_tbl_t
*cmdtp
);
50 static int fpga_get_op( char *opstr
);
58 /* ------------------------------------------------------------------------- */
60 * fpga <op> <device number> <data addr> <datasize>
61 * where op is 'load', 'dump', or 'info'
62 * If there is no device number field, the fpga environment variable is used.
63 * If there is no data addr field, the fpgadata environment variable is used.
64 * The info command requires no data address field.
67 do_fpga (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char *argv
[])
69 int op
, dev
= FPGA_INVALID_DEVICE
;
71 void *fpga_data
= NULL
;
72 char *devstr
= getenv("fpga");
73 char *datastr
= getenv("fpgadata");
75 if ( devstr
) dev
= (int)simple_strtoul( devstr
, NULL
, 16 );
76 if ( datastr
) 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", (uint
)fpga_data
);
85 case 3: /* fpga <op> <dev | data addr> */
86 dev
= (int)simple_strtoul( argv
[2], NULL
, 16 );
87 PRINTF(__FUNCTION__
": device = %d\n", dev
);
88 /* FIXME - this is a really weak test */
89 if (( argc
== 3 ) && ( dev
> fpga_count() )) { /* must be buffer ptr */
90 PRINTF(__FUNCTION__
": Assuming buffer pointer in arg 3\n");
91 fpga_data
= (void *)dev
;
92 PRINTF(__FUNCTION__
": fpga_data = 0x%x\n", (uint
)fpga_data
);
93 dev
= FPGA_INVALID_DEVICE
; /* reset device num */
95 case 2: /* fpga <op> */
96 op
= (int)fpga_get_op( argv
[1] );
99 PRINTF(__FUNCTION__
": Too many or too few args (%d)\n", argc
);
100 op
= FPGA_NONE
; /* force usage display */
114 fpga_load( dev
, fpga_data
, data_size
);
118 fpga_dump( dev
, fpga_data
, data_size
);
122 printf( "Unknown operation.\n" );
129 static void fpga_usage ( cmd_tbl_t
*cmdtp
)
131 printf( "Usage:\n%s\n", cmdtp
->usage
);
135 * Map op to supported operations. We don't use a table since we
136 * would just have to relocate it from flash anyway.
138 static int fpga_get_op( char *opstr
)
142 if (!strcmp ("info", opstr
)) {
145 else if (!strcmp ("load", opstr
)) {
148 else if (!strcmp ("dump", opstr
)) {
152 if ( op
== FPGA_NONE
) {
153 printf ("Unknown fpga operation \"%s\"\n", opstr
);
158 #endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */