projects / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 4a9cbbe8 WD |
1 | /* |
| 2 | * (C) Copyright 2000, 2001 | |
| 3 | * Rich Ireland, Enterasys Networks, [email protected]. | |
| 4 | * | |
| 5 | * See file CREDITS for list of people who contributed to this | |
| 6 | * project. | |
| 7 | * | |
| 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. | |
| 12 | * | |
| 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. | |
| 17 | * | |
| 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, | |
| 21 | * MA 02111-1307 USA | |
| 22 | * | |
| 23 | */ | |
| 24 | ||
| 25 | /* | |
| 26 | * FPGA support | |
| 27 | */ | |
| 28 | #include <common.h> | |
| 29 | #include <command.h> | |
| 30 | #include <cmd_fpga.h> | |
| 31 | #include <fpga.h> | |
| 32 | #if (CONFIG_COMMANDS & CFG_CMD_NET) | |
| 33 | #include <net.h> | |
| 34 | #endif | |
| 35 | ||
| 36 | #if 0 | |
| 37 | #define FPGA_DEBUG | |
| 38 | #endif | |
| 39 | ||
| 40 | #ifdef FPGA_DEBUG | |
| 41 | #define PRINTF(fmt,args...) printf (fmt ,##args) | |
| 42 | #else | |
| 43 | #define PRINTF(fmt,args...) | |
| 44 | #endif | |
| 45 | ||
| 46 | #if defined (CONFIG_FPGA) && ( CONFIG_COMMANDS & CFG_CMD_FPGA ) | |
| 47 | ||
| 48 | /* Local functions */ | |
| 49 | static void fpga_usage ( cmd_tbl_t *cmdtp ); | |
| 50 | static int fpga_get_op( char *opstr ); | |
| 51 | ||
| 52 | /* Local defines */ | |
| 53 | #define FPGA_NONE -1 | |
| 54 | #define FPGA_INFO 0 | |
| 55 | #define FPGA_LOAD 1 | |
| 56 | #define FPGA_DUMP 3 | |
| 57 | ||
| 58 | /* ------------------------------------------------------------------------- */ | |
| 59 | /* command form: | |
| 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. | |
| 65 | */ | |
| 66 | int | |
| 67 | do_fpga (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) | |
| 68 | { | |
| 69 | int op, dev = FPGA_INVALID_DEVICE; | |
| 70 | size_t data_size = 0; | |
| 71 | void *fpga_data = NULL; | |
| 72 | char *devstr = getenv("fpga"); | |
| 73 | char *datastr = getenv("fpgadata"); | |
| 74 | ||
| 75 | if ( devstr ) dev = (int)simple_strtoul( devstr, NULL, 16 ); | |
| 76 | if ( datastr ) fpga_data = (void *)simple_strtoul( datastr, NULL, 16 ); | |
| 77 | ||
| 78 | switch ( argc ) | |
| 79 | { | |
| 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 */ | |
| 94 | } | |
| 95 | case 2: /* fpga <op> */ | |
| 96 | op = (int)fpga_get_op( argv[1] ); | |
| 97 | break; | |
| 98 | default: | |
| 99 | PRINTF(__FUNCTION__": Too many or too few args (%d)\n", argc ); | |
| 100 | op = FPGA_NONE; /* force usage display */ | |
| 101 | break; | |
| 102 | } | |
| 103 | ||
| 104 | switch ( op ) { | |
| 105 | case FPGA_NONE: | |
| 106 | fpga_usage( cmdtp ); | |
| 107 | break; | |
| 108 | ||
| 109 | case FPGA_INFO: | |
| 110 | fpga_info( dev ); | |
| 111 | break; | |
| 112 | ||
| 113 | case FPGA_LOAD: | |
| 114 | fpga_load( dev, fpga_data, data_size ); | |
| 115 | break; | |
| 116 | ||
| 117 | case FPGA_DUMP: | |
| 118 | fpga_dump( dev, fpga_data, data_size ); | |
| 119 | break; | |
| 120 | ||
| 121 | default: | |
| 122 | printf( "Unknown operation.\n" ); | |
| 123 | fpga_usage( cmdtp ); | |
| 124 | break; | |
| 125 | } | |
| 126 | return 0; | |
| 127 | } | |
| 128 | ||
| 129 | static void fpga_usage ( cmd_tbl_t *cmdtp ) | |
| 130 | { | |
| 131 | printf( "Usage:\n%s\n", cmdtp->usage ); | |
| 132 | } | |
| 133 | ||
| 134 | /* | |
| 135 | * Map op to supported operations. We don't use a table since we | |
| 136 | * would just have to relocate it from flash anyway. | |
| 137 | */ | |
| 138 | static int fpga_get_op( char *opstr ) | |
| 139 | { | |
| 140 | int op = FPGA_NONE; | |
| 141 | ||
| 142 | if (!strcmp ("info", opstr)) { | |
| 143 | op = FPGA_INFO; | |
| 144 | } | |
| 145 | else if (!strcmp ("load", opstr)) { | |
| 146 | op = FPGA_LOAD; | |
| 147 | } | |
| 148 | else if (!strcmp ("dump", opstr)) { | |
| 149 | op = FPGA_DUMP; | |
| 150 | } | |
| 151 | ||
| 152 | if ( op == FPGA_NONE ) { | |
| 153 | printf ("Unknown fpga operation \"%s\"\n", opstr); | |
| 154 | } | |
| 155 | return op; | |
| 156 | } | |
| 157 | ||
| 158 | #endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */ |