openocd/src/jtag/hla/hla_interface.c

271 lines
7.2 KiB
C

/***************************************************************************
* Copyright (C) 2011 by Mathias Kuester *
* Mathias Kuester <kesmtp@freenet.de> *
* *
* Copyright (C) 2012 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
* 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. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* project specific includes */
#include <jtag/interface.h>
#include <transport/transport.h>
#include <helper/time_support.h>
#include <jtag/hla/hla_tcl.h>
#include <jtag/hla/hla_layout.h>
#include <jtag/hla/hla_transport.h>
#include <jtag/hla/hla_interface.h>
#include <target/target.h>
static struct hl_interface_s hl_if = { {0, 0, 0, 0, 0, HL_TRANSPORT_UNKNOWN, 0, false}, 0, 0 };
int hl_interface_open(enum hl_transports tr)
{
LOG_DEBUG("hl_interface_open");
enum reset_types jtag_reset_config = jtag_get_reset_config();
if (jtag_reset_config & RESET_CNCT_UNDER_SRST) {
if (jtag_reset_config & RESET_SRST_NO_GATING)
hl_if.param.connect_under_reset = true;
else
LOG_WARNING("\'srst_nogate\' reset_config option is required");
}
/* set transport mode */
hl_if.param.transport = tr;
int result = hl_if.layout->open(&hl_if);
if (result != ERROR_OK)
return result;
return hl_interface_init_reset();
}
int hl_interface_init_target(struct target *t)
{
int res;
LOG_DEBUG("hl_interface_init_target");
/* this is the interface for the current target and we
* can setup the private pointer in the tap structure
* if the interface match the tap idcode
*/
res = hl_if.layout->api->idcode(hl_if.fd, &t->tap->idcode);
if (res != ERROR_OK)
return res;
unsigned ii, limit = t->tap->expected_ids_cnt;
int found = 0;
for (ii = 0; ii < limit; ii++) {
uint32_t expected = t->tap->expected_ids[ii];
/* treat "-expected-id 0" as a "don't-warn" wildcard */
if (!expected || (t->tap->idcode == expected)) {
found = 1;
break;
}
}
if (found == 0) {
LOG_ERROR("hl_interface_init_target: target not found: idcode: 0x%08x",
t->tap->idcode);
return ERROR_FAIL;
}
t->tap->priv = &hl_if;
t->tap->hasidcode = 1;
return ERROR_OK;
}
static int hl_interface_init(void)
{
LOG_DEBUG("hl_interface_init");
/* here we can initialize the layout */
return hl_layout_init(&hl_if);
}
static int hl_interface_quit(void)
{
LOG_DEBUG("hl_interface_quit");
return ERROR_OK;
}
static int hl_interface_execute_queue(void)
{
LOG_DEBUG("hl_interface_execute_queue: ignored");
return ERROR_OK;
}
int hl_interface_init_reset(void)
{
/* incase the adapter has not already handled asserting srst
* we will attempt it again */
if (hl_if.param.connect_under_reset) {
jtag_add_reset(0, 1);
hl_if.layout->api->assert_srst(hl_if.fd, 0);
}
return ERROR_OK;
}
COMMAND_HANDLER(hl_interface_handle_device_desc_command)
{
LOG_DEBUG("hl_interface_handle_device_desc_command");
if (CMD_ARGC == 1) {
hl_if.param.device_desc = strdup(CMD_ARGV[0]);
} else {
LOG_ERROR("expected exactly one argument to hl_device_desc <description>");
}
return ERROR_OK;
}
COMMAND_HANDLER(hl_interface_handle_serial_command)
{
LOG_DEBUG("hl_interface_handle_serial_command");
if (CMD_ARGC == 1) {
hl_if.param.serial = strdup(CMD_ARGV[0]);
} else {
LOG_ERROR("expected exactly one argument to hl_serial <serial-number>");
}
return ERROR_OK;
}
COMMAND_HANDLER(hl_interface_handle_layout_command)
{
LOG_DEBUG("hl_interface_handle_layout_command");
if (CMD_ARGC != 1) {
LOG_ERROR("Need exactly one argument to stlink_layout");
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (hl_if.layout) {
LOG_ERROR("already specified hl_layout %s",
hl_if.layout->name);
return (strcmp(hl_if.layout->name, CMD_ARGV[0]) != 0)
? ERROR_FAIL : ERROR_OK;
}
for (const struct hl_layout *l = hl_layout_get_list(); l->name;
l++) {
if (strcmp(l->name, CMD_ARGV[0]) == 0) {
hl_if.layout = l;
return ERROR_OK;
}
}
LOG_ERROR("No adapter layout '%s' found", CMD_ARGV[0]);
return ERROR_FAIL;
}
COMMAND_HANDLER(hl_interface_handle_vid_pid_command)
{
LOG_DEBUG("hl_interface_handle_vid_pid_command");
if (CMD_ARGC != 2) {
LOG_WARNING("ignoring extra IDs in hl_vid_pid (maximum is 1 pair)");
return ERROR_COMMAND_SYNTAX_ERROR;
}
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[0], hl_if.param.vid);
COMMAND_PARSE_NUMBER(u16, CMD_ARGV[1], hl_if.param.pid);
return ERROR_OK;
}
COMMAND_HANDLER(stlink_interface_handle_api_command)
{
if (CMD_ARGC != 1)
return ERROR_COMMAND_SYNTAX_ERROR;
unsigned new_api;
COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], new_api);
if ((new_api == 0) || (new_api > 2))
return ERROR_COMMAND_SYNTAX_ERROR;
hl_if.param.api = new_api;
return ERROR_OK;
}
static const struct command_registration hl_interface_command_handlers[] = {
{
.name = "hla_device_desc",
.handler = &hl_interface_handle_device_desc_command,
.mode = COMMAND_CONFIG,
.help = "set the a device description of the adapter",
.usage = "description_string",
},
{
.name = "hla_serial",
.handler = &hl_interface_handle_serial_command,
.mode = COMMAND_CONFIG,
.help = "set the serial number of the adapter",
.usage = "serial_string",
},
{
.name = "hla_layout",
.handler = &hl_interface_handle_layout_command,
.mode = COMMAND_CONFIG,
.help = "set the layout of the adapter",
.usage = "layout_name",
},
{
.name = "hla_vid_pid",
.handler = &hl_interface_handle_vid_pid_command,
.mode = COMMAND_CONFIG,
.help = "the vendor and product ID of the adapter",
.usage = "(vid pid)* ",
},
{
.name = "stlink_api",
.handler = &stlink_interface_handle_api_command,
.mode = COMMAND_CONFIG,
.help = "set the desired stlink api level",
.usage = "api version 1 or 2",
},
COMMAND_REGISTRATION_DONE
};
struct jtag_interface hl_interface = {
.name = "hla",
.supported = 0,
.commands = hl_interface_command_handlers,
.transports = hl_transports,
.init = hl_interface_init,
.quit = hl_interface_quit,
.execute_queue = hl_interface_execute_queue,
};