According to XESS, CPLD is on:

+-----------+--------+---------+
| xess name | JTAG   | LPT pin |
+===========+========+=========+
| PPC1      |  TCK   |  14     | /AUTOFD
+-----------+--------+---------+
| PPC2      |  TMS   |  16     | /INIT
+-----------+--------+---------+
| PPC3      |  TDI   |  17     | /SELIN
+-----------+--------+---------+
| S7        |  TDO   |  11     | BUSY
+-----------+--------+---------+

XSA is on:

// inversion mask for parallel port connection to XSA Board
// 00000011: bits  7- 0 are attached to data pins D7-D0
// 00000xxx: bits 15-11 are attached to status pins /S7,S6,S5,S4,S3
// xxxx1001: bits 19-16 are attached to control pins /C3,C2,/C1,/C0
const unsigned int invMask = 0x090003;

// bit position of Spartan2 configuration pins within parallel port registers
const unsigned int posCCLK = 0;
const unsigned int posPROG = 7;
const unsigned int posDLO  = 2;
const unsigned int posDHI  = 5;
const unsigned int posDONE = 11; // S3 above, S4 in Manual

// bit position of XC9572XL JTAG pins within parallel port registers
const unsigned int posTCK  = 17;
const unsigned int posTMS  = 18;
const unsigned int posTDI  = 19;
const unsigned int posTDO  = 15;

// bit position of prog. osc. pins within parallel port registers
const unsigned int posOSC  = 16;

// bit positions of RAM access pins within parallel port
const unsigned int posRRESET  = 0;
const unsigned int posRCLK    = 1;
const unsigned int posRDOLSB  = 2;
const unsigned int posRDOMSB  = 5;
const unsigned int posRDILSB  = 11;
const unsigned int posRDIMSB  = 14;
const unsigned int posRSTLSB  = 11;
const unsigned int posRSTMSB  = 14;

// bit positions of Flash access pins within parallel port
const unsigned int posFRESET  =  0;
const unsigned int posFCLK    =  1;
const unsigned int posFDOLSB  =  2;
const unsigned int posFDOMSB  =  5;
const unsigned int posFDILSB  = 11;
const unsigned int posFDIMSB  = 13;
const unsigned int posFSTLSB  = 11;
const unsigned int posFSTMSB  = 13;

// bit positions for board test status
const unsigned int posTESTSTATUS  = 14;


FreeBSD control bits:
#define STROBE		0x01    1
#define AUTOFEED	0x02    14
#define nINIT		0x04    16
#define SELECTIN	0x08    17

FreeBSD status bits:

#define TIMEOUT		0x01  
#define nFAULT		0x08    
#define SELECT		0x10    13
#define PERROR		0x20    15
#define nACK		0x40    10
#define nBUSY		0x80    11