Hardware Design: SIE
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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 |
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