From 79b8196e41ea370d5474c239f15741201ae0ac45 Mon Sep 17 00:00:00 2001 From: Marcel Telka Date: Sat, 20 Dec 2003 15:19:27 +0000 Subject: [PATCH] 2003-12-20 Marcel Telka * src/bus/Makefile.am (libbus_a_SOURCES): Added au1500.c. * src/bus/au1500.c: New file (patch 853883, Zhang Wei). * src/bus/buses.c (bus_drivers): Added au1500_bus (patch 853883, Zhang Wei). * src/bus/buses.h: Added au1500_bus. git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@590 b68d4a1b-bc3d-0410-92ed-d4ac073336b7 --- jtag/ChangeLog | 7 + jtag/NEWS | 4 +- jtag/THANKS | 1 + jtag/src/bus/Makefile.am | 1 + jtag/src/bus/au1500.c | 334 +++++++++++++++++++++++++++++++++++++++ jtag/src/bus/buses.c | 1 + jtag/src/bus/buses.h | 1 + 7 files changed, 348 insertions(+), 1 deletion(-) create mode 100644 jtag/src/bus/au1500.c diff --git a/jtag/ChangeLog b/jtag/ChangeLog index 4f13b75f..ad79e816 100644 --- a/jtag/ChangeLog +++ b/jtag/ChangeLog @@ -1,3 +1,10 @@ +2003-12-20 Marcel Telka + + * src/bus/Makefile.am (libbus_a_SOURCES): Added au1500.c. + * src/bus/au1500.c: New file (patch 853883, Zhang Wei). + * src/bus/buses.c (bus_drivers): Added au1500_bus (patch 853883, Zhang Wei). + * src/bus/buses.h: Added au1500_bus. + 2003-11-02 Marcel Telka * configure.ac (AC_INIT): Changed version number to 0.5.2. diff --git a/jtag/NEWS b/jtag/NEWS index c9abce2c..f3ea7886 100644 --- a/jtag/NEWS +++ b/jtag/NEWS @@ -6,7 +6,9 @@ See libbrux/NEWS for more news. - Hitachi HD64465 - Hitachi SH7729 (Beregnyei Balazs) - Motorola MPC8245 - * Added Motorola MPC824x bus driver. + * Added new bus drivers: + - Motorola MPC824x + - AMD Alchemy Solutions Au1500 (patch 853883, Zhang Wei) * Added new command 'salias'. * Explicit 'detectflash' command call is required before 'flashmem' command. * Fixed minor bugs (including bug 857039). diff --git a/jtag/THANKS b/jtag/THANKS index 89c18ef9..21cc9691 100644 --- a/jtag/THANKS +++ b/jtag/THANKS @@ -21,5 +21,6 @@ Christian Pellegrin Ramses VI Mike Tesch Holger Schurig +Zhang Wei Matan Ziv-Av Alessandro Zummo diff --git a/jtag/src/bus/Makefile.am b/jtag/src/bus/Makefile.am index 5ad8e450..23db0b18 100644 --- a/jtag/src/bus/Makefile.am +++ b/jtag/src/bus/Makefile.am @@ -28,6 +28,7 @@ noinst_LIBRARIES = libbus.a libbus_a_SOURCES = \ buses.c \ buses.h \ + au1500.c \ bcm1250.c \ ixp425.c \ mpc824x.c \ diff --git a/jtag/src/bus/au1500.c b/jtag/src/bus/au1500.c new file mode 100644 index 00000000..df443cf9 --- /dev/null +++ b/jtag/src/bus/au1500.c @@ -0,0 +1,334 @@ +/* + * $Id$ + * + * Copyright (C) 2003 BLXCPU co. Ltd. + * + * 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 ZHANG WEI , 2003 + * + * Documentation: + * [1] AMD, "AMD Alchemy Solutions AU1500 Processor Data Book - + * Preliminary Information", June 2003, Publication ID: 30361B + * + */ + + +#include "sysdep.h" + +#include +#include +#include + +#include "part.h" +#include "bus.h" +#include "chain.h" +#include "bssignal.h" +#include "jtag.h" +#include "buses.h" + +typedef struct{ + chain_t *chain; + part_t *part; + signal_t *rad[32]; + signal_t *nrcs[4]; + signal_t *nrwe; + signal_t *nroe; + signal_t *rd[32]; +} bus_params_t; + +#define CHAIN ((bus_params_t *) bus->params)->chain +#define PART ((bus_params_t *) bus->params)->part + +#define RAD ((bus_params_t *) bus->params)->rad +#define nRCS ((bus_params_t *) bus->params)->nrcs +#define nRWE ((bus_params_t *) bus->params)->nrwe +#define nROE ((bus_params_t *) bus->params)->nroe +#define RD ((bus_params_t *) bus->params)->rd + +static void +setup_address( bus_t *bus, uint32_t a) +{ + int i; + part_t *p = PART; + + for( i = 0; i < 32; i++) + part_set_signal( p, RAD[i], 1, (a >>i) & 1); +} + +static int au1500_bus_area(bus_t * bus, uint32_t addr, bus_area_t * area); + +static void +set_data_in( bus_t *bus ) +{ + int i; + part_t *p = PART; + bus_area_t area; + + au1500_bus_area( bus, 0, &area); + + for( i = 0; i < area.width; i++ ) + part_set_signal( p, RD[i], 0, 0 ); + +} + +static uint32_t +get_data_out( bus_t *bus ) +{ + int i; + part_t *p = PART; + bus_area_t area; + uint32_t d = 0; + + au1500_bus_area( bus, 0, &area); + + for( i = 0; i < area.width; i++ ) + d |= (uint32_t)(part_get_signal( p, RD[i] ) << i); + + return d; +} + +static void +setup_data( bus_t *bus, uint32_t d) +{ + int i; + part_t *p = PART; + bus_area_t area; + + au1500_bus_area( bus, 0, &area); + + for( i = 0; i < area.width; i++ ) + part_set_signal( p, RD[i], 1, ( d>>i ) & 1 ); +} + +static bus_t *au1500_bus_new(void) +{ + bus_t *bus; + char buff[10]; + int i; + int failed = 0; + + + if (!chain || !chain->parts || chain->parts->len <= chain->active_part || chain->active_part < 0) + return NULL; + + bus = malloc( sizeof (bus_t) ); + if (!bus) + return NULL; + + bus->driver = &au1500_bus; + bus->params = calloc( 1, sizeof(bus_params_t) ); + if (!bus->params){ + free(bus); + return NULL; + } + + CHAIN = chain; + PART = chain->parts->parts[chain->active_part]; + + for(i=0; i<32; i++){ + sprintf( buff, "RAD%d", i); + RAD[i] = part_find_signal( PART, buff); + if(!RAD[i]){ + printf( _("signal '%s' not found\n"), buff ); + failed =1; + break; + } + } + + for(i=0; i<4; i++){ + sprintf( buff, "RCE_N%d", i); + nRCS[i] = part_find_signal( PART, buff); + if(!nRCS[i]){ + printf( _("signal '%s' not found\n"), buff ); + failed =1; + break; + } + } + + + nRWE = part_find_signal( PART, "RWE_N" ); + if (!nRWE) { + printf( _("signal '%s' not found\n"), "RWE_N" ); + failed = 1; + } + + nROE = part_find_signal( PART, "ROE_N" ); + if (!nROE) { + printf( _("signal '%s' not found\n"), "ROE_N" ); + failed = 1; + } + + for(i=0; i<32; i++){ + sprintf( buff, "RD%d", i); + RD[i] = part_find_signal( PART, buff); + if(!RD[i]){ + printf( _("signal '%s' not found\n"), buff); + failed =1; + break; + } + } + + if (failed) { + free( bus->params ); + free ( bus ); + return NULL; + } + + return bus; + +} + +static int +au1500_bus_area(bus_t *bus, uint32_t addr, bus_area_t *area) +{ + area->description = NULL; + area->start = UINT32_C(0x00000000); + area->length = UINT64_C(0x00100000000); +// area->width = 16; + area->width = part_get_signal( PART, part_find_signal( PART, "ROMSIZ" ) ) ? 16 : 32; + + + return 0; + +} + +static void +au1500_bus_free( bus_t *bus ) +{ + free( bus->params ); + free ( bus ); +} + +static void +au1500_bus_printinfo( bus_t *bus) +{ + int i; + + for (i = 0; i < CHAIN->parts->len; i++) + if (PART == CHAIN->parts->parts[i]) + break; + printf( _("AU1500 compatible bus driver via BSR (JTAG part No. %d)\n"), i ); +} + +static void +au1500_bus_prepare( bus_t *bus ) +{ + part_set_instruction( PART, "EXTEST" ); + chain_shift_instructions( CHAIN ); +} + +static void +au1500_bus_read_start( bus_t *bus, uint32_t adr ) +{ + part_t *p = PART; + chain_t *chain = CHAIN; + + part_set_signal( p, nRCS[0], 1, 0 ); + part_set_signal( p, nRCS[1], 1, 1 ); + part_set_signal( p, nRCS[2], 1, 1 ); + part_set_signal( p, nRCS[3], 1, 1 ); + part_set_signal( p, nRWE, 1, 1 ); + part_set_signal( p, nROE, 1, 0); + + setup_address( bus, adr); + set_data_in( bus ); + + chain_shift_data_registers( chain, 0 ); +} + +static uint32_t +au1500_bus_read_next( bus_t *bus, uint32_t adr ) +{ + chain_t *chain = CHAIN; + + setup_address( bus, adr ); + chain_shift_data_registers( chain, 1 ); + + return get_data_out( bus ); +} + +static uint32_t +au1500_bus_read_end( bus_t *bus ) +{ + part_t *p = PART; + chain_t *chain = CHAIN; + + part_set_signal( p, nRCS[0], 1, 1 ); + part_set_signal( p, nRCS[1], 1, 1 ); + part_set_signal( p, nRCS[2], 1, 1 ); + part_set_signal( p, nRCS[3], 1, 1 ); + part_set_signal( p, nRWE, 1, 1 ); + part_set_signal( p, nROE, 1, 1 ); + + chain_shift_data_registers( chain, 1 ); + + return get_data_out( bus ); +} + +static uint32_t +au1500_bus_read( bus_t *bus, uint32_t adr ) +{ + au1500_bus_read_start( bus, adr ); + return au1500_bus_read_end( bus ); +} + +static void +au1500_bus_write( bus_t *bus, uint32_t adr, uint32_t data ) +{ + part_t *p = PART; + chain_t *chain = CHAIN; + + part_set_signal( p, nRCS[0], 1, 0 ); + part_set_signal( p, nRCS[1], 1, 1 ); + part_set_signal( p, nRCS[2], 1, 1 ); + part_set_signal( p, nRCS[3], 1, 1 ); + part_set_signal( p, nRWE, 1, 1 ); + part_set_signal( p, nROE, 1, 1 ); + + setup_address( bus, adr ); + setup_data( bus, data ); + + chain_shift_data_registers( chain, 0 ); + + part_set_signal( p, nRWE, 1, 0 ); + chain_shift_data_registers( chain, 0 ); + + part_set_signal( p, nRWE, 1, 1); + part_set_signal( p, nROE, 1, 1); + part_set_signal( p, nRCS[0], 1, 1); + part_set_signal( p, nRCS[1], 1, 1 ); + part_set_signal( p, nRCS[2], 1, 1 ); + part_set_signal( p, nRCS[3], 1, 1 ); + + chain_shift_data_registers( chain, 0); +} + +const bus_driver_t au1500_bus = { + "au1500", + N_("AU1500 BUS Driver via BSR"), + au1500_bus_new, + au1500_bus_free, + au1500_bus_printinfo, + au1500_bus_prepare, + au1500_bus_area, + au1500_bus_read_start, + au1500_bus_read_next, + au1500_bus_read_end, + au1500_bus_read, + au1500_bus_write +}; + diff --git a/jtag/src/bus/buses.c b/jtag/src/bus/buses.c index 303e527d..dba186d7 100644 --- a/jtag/src/bus/buses.c +++ b/jtag/src/bus/buses.c @@ -30,6 +30,7 @@ #include "buses.h" const bus_driver_t *bus_drivers[] = { + &au1500_bus, &bcm1250_bus, &ixp425_bus, &mpc824x_bus, diff --git a/jtag/src/bus/buses.h b/jtag/src/bus/buses.h index ebe6ae57..0ca563a6 100644 --- a/jtag/src/bus/buses.h +++ b/jtag/src/bus/buses.h @@ -25,6 +25,7 @@ #ifndef BUSES_H #define BUSES_H +extern const bus_driver_t au1500_bus; extern const bus_driver_t bcm1250_bus; extern const bus_driver_t ixp425_bus; extern const bus_driver_t mpc824x_bus;