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Added bus operations for SA1110.

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git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@209 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
master
Marcel Telka 22 years ago
parent 226c99f928
commit 09884928dd
4 changed files with 201 additions and 1 deletions
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2
jtag/src/Makefile.am
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@ -27,7 +27,7 @@ SUBDIRS = \
bin_PROGRAMS = jtag
jtag_SOURCES = jtag.c detect.c readmem.c detect.h pxa250.c pxa250.h
jtag_SOURCES = jtag.c detect.c readmem.c detect.h pxa250.c pxa250.h sa1110.c sa1110.h
jtag_DEPENDENCIES = tap/libtap.a part/libpart.a

35
jtag/src/pxa250.h
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@ -0,0 +1,35 @@
/*
* $Id$
*
* Copyright (C) 2002 ETC s.r.o.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by Marcel Telka <marcel@telka.sk>, 2002.
*
*/
#ifndef PXA250_H
#define PXA250_H
#include <stdint.h>
#include "part.h"
uint32_t pxa250_bus_read( parts *ps, uint32_t adr );
void pxa250_bus_write( parts *ps, uint32_t adr, uint32_t data );
#endif /* PXA250_H */

130
jtag/src/sa1110.c
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@ -0,0 +1,130 @@
/*
* $Id$
*
* Copyright (C) 2002 ETC s.r.o.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by Marcel Telka <marcel@telka.sk>, 2002.
*
*/
#include <stdint.h>
#include "part.h"
#include "sa1110.h"
/* SA1110 must be in position 0 */
static void
setup_address( part *p, uint32_t a )
{
int i;
char buff[10];
for (i = 0; i < 26; i++) {
sprintf( buff, "A%d", i );
part_set_signal( p, buff, 1, (a >> i) & 1 );
}
}
static void
set_data_in( part *p )
{
int i;
char buff[10];
for (i = 0; i < 32; i++) {
sprintf( buff, "D%d", i );
part_set_signal( p, buff, 0, 0 );
}
}
static void
setup_data( part *p, uint32_t d )
{
int i;
char buff[10];
for (i = 0; i < 32; i++) {
sprintf( buff, "D%d", i );
part_set_signal( p, buff, 1, (d >> i) & 1 );
}
}
uint32_t
sa1110_bus_read( parts *ps, uint32_t adr )
{
/* see Figure 10-12 in SA doc */
part *p = ps->parts[0];
part_set_signal( p, "nCS0", 1, 0 );
part_set_signal( p, "nCS1", 1, 1 );
part_set_signal( p, "nCS2", 1, 1 );
part_set_signal( p, "nCS3", 1, 1 );
part_set_signal( p, "nCS4", 1, 1 );
part_set_signal( p, "nCS5", 1, 1 );
part_set_signal( p, "RD_nWR", 1, 1 );
part_set_signal( p, "nWE", 1, 1 ); /* TODO: this is probably not required */
part_set_signal( p, "nOE", 1, 0 );
setup_address( p, adr );
set_data_in( p );
parts_shift_data_registers( ps );
parts_shift_data_registers( ps );
{
int i;
char buff[10];
uint32_t d = 0;
for (i = 0; i < 32; i++) {
sprintf( buff, "D%d", i );
d |= (uint32_t) (part_get_signal( p, buff ) << i);
}
return d;
}
}
void
sa1110_bus_write( parts *ps, uint32_t adr, uint32_t data )
{
/* see Figure 10-16 in SA doc */
part *p = ps->parts[0];
part_set_signal( p, "nCS0", 1, 0 );
part_set_signal( p, "nCS1", 1, 1 );
part_set_signal( p, "nCS2", 1, 1 );
part_set_signal( p, "nCS3", 1, 1 );
part_set_signal( p, "nCS4", 1, 1 );
part_set_signal( p, "nCS5", 1, 1 );
part_set_signal( p, "RD_nWR", 1, 0 );
part_set_signal( p, "nWE", 1, 1 );
part_set_signal( p, "nOE", 1, 1 );
setup_address( p, adr );
setup_data( p, data );
parts_shift_data_registers( ps );
part_set_signal( p, "nWE", 1, 0 );
parts_shift_data_registers( ps );
part_set_signal( p, "nWE", 1, 1 );
parts_shift_data_registers( ps );
}

35
jtag/src/sa1110.h
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@ -0,0 +1,35 @@
/*
* $Id$
*
* Copyright (C) 2002 ETC s.r.o.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by Marcel Telka <marcel@telka.sk>, 2002.
*
*/
#ifndef SA1110_H
#define SA1110_H
#include <stdint.h>
#include "part.h"
uint32_t sa1110_bus_read( parts *ps, uint32_t adr );
void sa1110_bus_write( parts *ps, uint32_t adr, uint32_t data );
#endif /* SA1110_H */
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