Hardware Design: SIE
Sign in or create your account | Project List | Help
Hardware Design: SIE Git Source Tree
Root/
| 1 | /* JTAG chain detection |
| 2 | |
| 3 | Copyright (C) 2004 Andrew Rogers |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ |
| 18 | |
| 19 | |
| 20 | #include <asm/arch/pxa-regs.h> |
| 21 | |
| 22 | #include "iodebug.h" |
| 23 | #include "jtag.h" |
| 24 | #include "devicedb.h" |
| 25 | #include "jtag_bus.h" |
| 26 | |
| 27 | #define MEMDEV "/dev/mem" |
| 28 | #define CPLD_PHY_BASE PXA_CS2_PHYS |
| 29 | |
| 30 | #define DEVICEDB "/usr/share/xc3sprog/devlist.txt" |
| 31 | |
| 32 | int main(int argc, char **args) |
| 33 | { |
| 34 | JTAGBus io(MEMDEV,CPLD_PHY_BASE); |
| 35 | |
| 36 | if(io.checkError()){ |
| 37 | fprintf(stderr,"Can map physical address into virtual space! or can not open '%s'.\n",MEMDEV); |
| 38 | return 1; |
| 39 | } |
| 40 | |
| 41 | Jtag jtag(&io); |
| 42 | int num=jtag.getChain(); |
| 43 | DeviceDB db(DEVICEDB); |
| 44 | int dblast=0; |
| 45 | for(int i=0; i<num; i++){ |
| 46 | unsigned long id=jtag.getDeviceID(i); |
| 47 | int length=db.loadDevice(id); |
| 48 | printf("IDCODE: 0x%08x\t",id); |
| 49 | if(length>0){ |
| 50 | jtag.setDeviceIRLength(i,length); |
| 51 | printf("Desc: %s\tIR length: %d\n",db.getDeviceDescription(dblast),length); |
| 52 | dblast++; |
| 53 | } |
| 54 | else{ |
| 55 | printf("not found in '%s'.\n",DEVICEDB); |
| 56 | } |
| 57 | } |
| 58 | return 0; |
| 59 | } |
| 60 |
Branches:
master
