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Diffstat (limited to 'src/jtag/hla/hla_interface.c')
-rw-r--r--src/jtag/hla/hla_interface.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/src/jtag/hla/hla_interface.c b/src/jtag/hla/hla_interface.c
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+++ b/src/jtag/hla/hla_interface.c
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+/***************************************************************************
+ * 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, 0}, 0, 0 };
+
+int hl_interface_open(enum hl_transports tr)
+{
+ LOG_DEBUG("hl_interface_open");
+
+ /* 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_speed(int speed)
+{
+ LOG_DEBUG("hl_interface_speed: ignore speed %d", speed);
+
+ return ERROR_OK;
+}
+
+static int hl_speed_div(int speed, int *khz)
+{
+ *khz = speed;
+ return ERROR_OK;
+}
+
+static int hl_khz(int khz, int *jtag_speed)
+{
+ *jtag_speed = khz;
+ 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)
+{
+ 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) {
+ jtag_add_reset(0, 1);
+ hl_if.layout->api->assert_srst(hl_if.fd, 0);
+ } else
+ LOG_WARNING("\'srst_nogate\' reset_config option is required");
+ }
+
+ 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(hl_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 = "stlink_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 = "stlink_serial",
+ .handler = &hl_interface_handle_serial_command,
+ .mode = COMMAND_CONFIG,
+ .help = "set the serial number of the adapter",
+ .usage = "serial_string",
+ },
+ {
+ .name = "stlink_layout",
+ .handler = &hl_interface_handle_layout_command,
+ .mode = COMMAND_CONFIG,
+ .help = "set the layout of the adapter",
+ .usage = "layout_name",
+ },
+ {
+ .name = "stlink_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 = &hl_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 = "stlink",
+ .supported = 0,
+ .commands = hl_interface_command_handlers,
+ .transports = hl_transports,
+ .init = hl_interface_init,
+ .quit = hl_interface_quit,
+ .speed = hl_interface_speed,
+ .speed_div = hl_speed_div,
+ .khz = hl_khz,
+ .execute_queue = hl_interface_execute_queue,
+};