[ 2821545 ] IXP465 support (TedM)
git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1670 b68d4a1b-bc3d-0410-92ed-d4ac073336b7master
Arnim Läuger
16 years ago
parent
02e1e6d4ca
commit
4b48e26b58
@ -0,0 +1,26 @@
|
||||
#
|
||||
# $Id$
|
||||
#
|
||||
# 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 Christian Pellegrin <chri@ascensit.com>, 2003.
|
||||
#
|
||||
|
||||
# bits 31-28 of the Device Identification Register
|
||||
0001 ixp465 A0
|
||||
0010 ixp465 B0
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,313 @@
|
||||
/*
|
||||
* $Id$
|
||||
*
|
||||
* 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 Christian Pellegrin <chri@ascensit.com>, 2003.
|
||||
* Modified by Marcel Telka <marcel@telka.sk>, 2003.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "sysdep.h"
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdint.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "part.h"
|
||||
#include "bus.h"
|
||||
#include "chain.h"
|
||||
#include "bssignal.h"
|
||||
#include "jtag.h"
|
||||
#include "buses.h"
|
||||
#include "generic_bus.h"
|
||||
|
||||
typedef struct {
|
||||
urj_part_signal_t *ex_cs[8];
|
||||
urj_part_signal_t *ex_addr[24];
|
||||
urj_part_signal_t *ex_data[16];
|
||||
urj_part_signal_t *ex_wr;
|
||||
urj_part_signal_t *ex_rd;
|
||||
} bus_params_t;
|
||||
|
||||
#define ex_cs_n ((bus_params_t *) bus->params)->ex_cs
|
||||
#define ex_addr ((bus_params_t *) bus->params)->ex_addr
|
||||
#define ex_data ((bus_params_t *) bus->params)->ex_data
|
||||
#define ex_wr_n ((bus_params_t *) bus->params)->ex_wr
|
||||
#define ex_rd_n ((bus_params_t *) bus->params)->ex_rd
|
||||
|
||||
/**
|
||||
* bus->driver->(*new_bus)
|
||||
*
|
||||
*/
|
||||
static urj_bus_t *
|
||||
ixp465_bus_new (urj_chain_t *chain,
|
||||
const urj_bus_driver_t *driver,
|
||||
const urj_param_t *cmd_params[])
|
||||
{
|
||||
urj_bus_t *bus;
|
||||
urj_part_t *part;
|
||||
char buff[15];
|
||||
int i;
|
||||
int failed = 0;
|
||||
|
||||
// bus = calloc( 1, sizeof (urj_bus_t) );
|
||||
// if (!bus)
|
||||
// return NULL;
|
||||
|
||||
// bus->driver = driver;
|
||||
// bus->params = calloc( 1, sizeof (bus_params_t) );
|
||||
// if (!bus->params) {
|
||||
// free( bus );
|
||||
// return NULL;
|
||||
// }
|
||||
|
||||
// CHAIN = chain;
|
||||
// PART = part = chain->parts->parts[chain->active_part];
|
||||
|
||||
bus = urj_bus_generic_new (chain, driver, sizeof (bus_params_t));
|
||||
if (bus == NULL)
|
||||
return NULL;
|
||||
part = bus->part;
|
||||
|
||||
|
||||
for (i = 0; i < 8; i++) {
|
||||
sprintf (buff, "ex_cs_n_%d", i);
|
||||
failed |= urj_bus_generic_attach_sig (part, &(ex_cs_n[i]), buff);
|
||||
}
|
||||
|
||||
for (i = 0; i < 24; i++) {
|
||||
sprintf (buff, "ex_addr_%d", i);
|
||||
failed |= urj_bus_generic_attach_sig (part, &(ex_addr[i]), buff);
|
||||
}
|
||||
|
||||
for (i = 0; i < 16; i++) {
|
||||
sprintf (buff, "ex_data_%d", i);
|
||||
failed |= urj_bus_generic_attach_sig (part, &(ex_data[i]), buff);
|
||||
}
|
||||
|
||||
failed |= urj_bus_generic_attach_sig (part, &(ex_wr_n), "ex_wr_n");
|
||||
|
||||
failed |= urj_bus_generic_attach_sig (part, &(ex_rd_n), "ex_rd_n");
|
||||
|
||||
if (failed) {
|
||||
urj_bus_generic_free (bus);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return bus;
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*printinfo)
|
||||
*
|
||||
*/
|
||||
static void
|
||||
ixp465_bus_printinfo (urj_log_level_t ll, urj_bus_t *bus)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < bus->chain->parts->len; i++)
|
||||
if (bus->part == bus->chain->parts->parts[i])
|
||||
break;
|
||||
urj_log (ll, _("Intel IXP465 compatible bus driver (JTAG part No. %d)\n"),
|
||||
i);
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*area)
|
||||
*
|
||||
*/
|
||||
static int
|
||||
ixp465_bus_area (urj_bus_t *bus, uint32_t adr, urj_bus_area_t *area)
|
||||
{
|
||||
area->description = NULL;
|
||||
area->start = UINT32_C (0x00000000);
|
||||
area->length = UINT64_C (0x100000000);
|
||||
area->width = 16;
|
||||
|
||||
return URJ_STATUS_OK;
|
||||
}
|
||||
|
||||
static void
|
||||
select_flash (urj_bus_t *bus)
|
||||
{
|
||||
//urj_part_t *p = PART;
|
||||
urj_part_t *p = bus->part;
|
||||
urj_part_set_signal (p, ex_cs_n[0], 1, 0);
|
||||
urj_part_set_signal (p, ex_cs_n[1], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[2], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[3], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[4], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[5], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[6], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[7], 1, 1);
|
||||
}
|
||||
|
||||
static void
|
||||
unselect_flash (urj_bus_t *bus)
|
||||
{
|
||||
urj_part_t *p = bus->part;
|
||||
|
||||
urj_part_set_signal (p, ex_cs_n[0], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[1], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[2], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[3], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[4], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[5], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[6], 1, 1);
|
||||
urj_part_set_signal (p, ex_cs_n[7], 1, 1);
|
||||
}
|
||||
|
||||
static void
|
||||
setup_address (urj_bus_t *bus, uint32_t a)
|
||||
{
|
||||
int i;
|
||||
urj_part_t *p = bus->part;
|
||||
|
||||
for (i = 0; i < 24; i++)
|
||||
urj_part_set_signal (p, ex_addr[i], 1, (a >> i) & 1);
|
||||
}
|
||||
|
||||
static void
|
||||
set_data_in (urj_bus_t *bus)
|
||||
{
|
||||
int i;
|
||||
urj_part_t *p = bus->part;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
urj_part_set_signal (p, ex_data[i], 0, 0);
|
||||
}
|
||||
|
||||
static void
|
||||
setup_data (urj_bus_t *bus, uint32_t d)
|
||||
{
|
||||
int i;
|
||||
urj_part_t *p = bus->part;
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
urj_part_set_signal (p, ex_data[i], 1, (d >> i) & 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*read_start)
|
||||
*
|
||||
*/
|
||||
static int
|
||||
ixp465_bus_read_start (urj_bus_t *bus, uint32_t adr)
|
||||
{
|
||||
urj_part_t *p = bus->part;
|
||||
urj_chain_t *chain = bus->chain;
|
||||
|
||||
select_flash( bus );
|
||||
urj_part_set_signal (p, ex_rd_n, 1, 0);
|
||||
urj_part_set_signal (p, ex_wr_n, 1, 1);
|
||||
|
||||
setup_address (bus, adr);
|
||||
set_data_in (bus);
|
||||
|
||||
urj_tap_chain_shift_data_registers (chain, 0);
|
||||
return URJ_STATUS_OK;
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*read_next)
|
||||
*
|
||||
*/
|
||||
static uint32_t
|
||||
ixp465_bus_read_next (urj_bus_t *bus, uint32_t adr)
|
||||
{
|
||||
urj_part_t *p = bus->part;
|
||||
urj_chain_t *chain = bus->chain;
|
||||
int i;
|
||||
uint32_t d = 0;
|
||||
|
||||
setup_address (bus, adr);
|
||||
urj_tap_chain_shift_data_registers (chain, 1);
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
d |= (uint32_t) (urj_part_get_signal (p, ex_data[i] ) << i);
|
||||
|
||||
return d;
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*read_end)
|
||||
*
|
||||
*/
|
||||
static uint32_t
|
||||
ixp465_bus_read_end (urj_bus_t *bus)
|
||||
{
|
||||
urj_part_t *p = bus->part;
|
||||
urj_chain_t *chain = bus->chain;
|
||||
int i;
|
||||
uint32_t d = 0;
|
||||
|
||||
unselect_flash (bus);
|
||||
urj_part_set_signal (p, ex_rd_n, 1, 1);
|
||||
urj_part_set_signal (p, ex_wr_n, 1, 1);
|
||||
|
||||
urj_tap_chain_shift_data_registers (chain, 1);
|
||||
|
||||
for (i = 0; i < 16; i++)
|
||||
d |= (uint32_t) (urj_part_get_signal (p, ex_data[i] ) << i);
|
||||
|
||||
return d;
|
||||
}
|
||||
|
||||
/**
|
||||
* bus->driver->(*write)
|
||||
*
|
||||
*/
|
||||
static void
|
||||
ixp465_bus_write (urj_bus_t *bus, uint32_t adr, uint32_t data)
|
||||
{
|
||||
urj_part_t *p = bus->part;
|
||||
urj_chain_t *chain = bus->chain;
|
||||
|
||||
select_flash (bus);
|
||||
urj_part_set_signal (p, ex_rd_n, 1, 1);
|
||||
|
||||
setup_address (bus, adr);
|
||||
setup_data (bus, data);
|
||||
|
||||
urj_tap_chain_shift_data_registers (chain, 0);
|
||||
|
||||
urj_part_set_signal (p, ex_wr_n, 1, 0);
|
||||
urj_tap_chain_shift_data_registers (chain, 0);
|
||||
urj_part_set_signal (p, ex_wr_n, 1, 1);
|
||||
unselect_flash (bus);
|
||||
urj_tap_chain_shift_data_registers (chain, 0);
|
||||
}
|
||||
|
||||
const urj_bus_driver_t urj_bus_ixp465_bus = {
|
||||
"ixp465",
|
||||
N_("Intel IXP465 compatible bus driver via BSR"),
|
||||
ixp465_bus_new,
|
||||
urj_bus_generic_free,
|
||||
ixp465_bus_printinfo,
|
||||
urj_bus_generic_prepare_extest,
|
||||
ixp465_bus_area,
|
||||
ixp465_bus_read_start,
|
||||
ixp465_bus_read_next,
|
||||
ixp465_bus_read_end,
|
||||
urj_bus_generic_read,
|
||||
ixp465_bus_write,
|
||||
urj_bus_generic_no_init
|
||||
};
|
||||
Loading…
Reference in New Issue