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// SPDX-License-Identifier: GPL-2.0-or-later
/***************************************************************************
* Copyright (C) 2006 by Dominic Rath *
* Dominic.Rath@gmx.de *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pld.h"
#include <sys/stat.h>
#include <helper/log.h>
#include <helper/replacements.h>
#include <helper/time_support.h>
static struct pld_driver *pld_drivers[] = {
&efinix_pld,
&gatemate_pld,
&gowin_pld,
&intel_pld,
&lattice_pld,
&virtex2_pld,
NULL,
};
static struct pld_device *pld_devices;
struct pld_device *get_pld_device_by_num(int num)
{
struct pld_device *p;
int i = 0;
for (p = pld_devices; p; p = p->next) {
if (i++ == num) {
LOG_WARNING("DEPRECATED: use pld name \"%s\" instead of number %d", p->name, num);
return p;
}
}
return NULL;
}
struct pld_device *get_pld_device_by_name(const char *name)
{
for (struct pld_device *p = pld_devices; p; p = p->next) {
if (strcmp(p->name, name) == 0)
return p;
}
return NULL;
}
struct pld_device *get_pld_device_by_name_or_numstr(const char *str)
{
struct pld_device *dev = get_pld_device_by_name(str);
if (dev)
return dev;
char *end;
unsigned long dev_num = strtoul(str, &end, 0);
if (*end || dev_num > INT_MAX) {
LOG_ERROR("Invalid argument");
return NULL;
}
return get_pld_device_by_num(dev_num);
}
int pld_has_jtagspi_instruction(struct pld_device *pld_device, bool *has_instruction)
{
*has_instruction = false; /* default is using a proxy bitstream */
if (!pld_device)
return ERROR_FAIL;
struct pld_driver *pld_driver = pld_device->driver;
if (!pld_driver) {
LOG_ERROR("pld device has no associated driver");
return ERROR_FAIL;
}
if (pld_driver->has_jtagspi_instruction)
return pld_driver->has_jtagspi_instruction(pld_device, has_instruction);
/* else, take the default (proxy bitstream) */
return ERROR_OK;
}
int pld_get_jtagspi_userircode(struct pld_device *pld_device, unsigned int *ir)
{
if (!pld_device)
return ERROR_FAIL;
struct pld_driver *pld_driver = pld_device->driver;
if (!pld_driver) {
LOG_ERROR("pld device has no associated driver");
return ERROR_FAIL;
}
if (pld_driver->get_jtagspi_userircode)
return pld_driver->get_jtagspi_userircode(pld_device, ir);
return ERROR_FAIL;
}
int pld_get_jtagspi_stuff_bits(struct pld_device *pld_device, unsigned int *facing_read_bits,
unsigned int *trailing_write_bits)
{
if (!pld_device)
return ERROR_FAIL;
struct pld_driver *pld_driver = pld_device->driver;
if (!pld_driver) {
LOG_ERROR("pld device has no associated driver");
return ERROR_FAIL;
}
if (pld_driver->get_stuff_bits)
return pld_driver->get_stuff_bits(pld_device, facing_read_bits, trailing_write_bits);
return ERROR_OK;
}
int pld_connect_spi_to_jtag(struct pld_device *pld_device)
{
if (!pld_device)
return ERROR_FAIL;
struct pld_driver *pld_driver = pld_device->driver;
if (!pld_driver) {
LOG_ERROR("pld device has no associated driver");
return ERROR_FAIL;
}
if (pld_driver->connect_spi_to_jtag)
return pld_driver->connect_spi_to_jtag(pld_device);
return ERROR_FAIL;
}
int pld_disconnect_spi_from_jtag(struct pld_device *pld_device)
{
if (!pld_device)
return ERROR_FAIL;
struct pld_driver *pld_driver = pld_device->driver;
if (!pld_driver) {
LOG_ERROR("pld device has no associated driver");
return ERROR_FAIL;
}
if (pld_driver->disconnect_spi_from_jtag)
return pld_driver->disconnect_spi_from_jtag(pld_device);
return ERROR_FAIL;
}
COMMAND_HANDLER(handle_pld_create_command)
{
if (CMD_ARGC < 2)
return ERROR_COMMAND_SYNTAX_ERROR;
struct pld_driver *pld_driver = NULL;
for (int i = 0; pld_drivers[i]; i++) {
if (strcmp(CMD_ARGV[1], pld_drivers[i]->name) == 0) {
pld_driver = pld_drivers[i];
break;
}
}
if (!pld_driver) {
LOG_ERROR("pld driver '%s' not found", CMD_ARGV[1]);
return ERROR_FAIL; /* exit(-1); */
}
if (get_pld_device_by_name(CMD_ARGV[0])) {
LOG_ERROR("pld device with name '%s' already exists", CMD_ARGV[0]);
return ERROR_FAIL;
}
struct pld_device *pld_device = malloc(sizeof(struct pld_device));
if (!pld_device) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
pld_device->driver = pld_driver;
pld_device->next = NULL;
int retval = CALL_COMMAND_HANDLER(pld_driver->pld_create_command, pld_device);
if (retval != ERROR_OK) {
LOG_ERROR("'%s' driver rejected pld device",
CMD_ARGV[1]);
free(pld_device);
return ERROR_OK;
}
pld_device->name = strdup(CMD_ARGV[0]);
if (!pld_device->name) {
LOG_ERROR("Out of memory");
free(pld_device);
return ERROR_FAIL;
}
/* register pld specific commands */
if (pld_driver->commands) {
retval = register_commands(CMD_CTX, NULL, pld_driver->commands);
if (retval != ERROR_OK) {
LOG_ERROR("couldn't register '%s' commands", CMD_ARGV[1]);
free(pld_device->name);
free(pld_device);
return ERROR_FAIL;
}
}
if (pld_devices) {
/* find last pld device */
struct pld_device *p = pld_devices;
for (; p && p->next; p = p->next)
;
if (p)
p->next = pld_device;
} else {
pld_devices = pld_device;
}
return ERROR_OK;
}
COMMAND_HANDLER(handle_pld_devices_command)
{
struct pld_device *p;
int i = 0;
if (!pld_devices) {
command_print(CMD, "no pld devices configured");
return ERROR_OK;
}
for (p = pld_devices; p; p = p->next)
command_print(CMD, "#%i: %s (driver: %s)", i++, p->name, p->driver->name);
return ERROR_OK;
}
COMMAND_HANDLER(handle_pld_load_command)
{
int retval;
struct timeval start, end, duration;
struct pld_device *p;
gettimeofday(&start, NULL);
if (CMD_ARGC < 2)
return ERROR_COMMAND_SYNTAX_ERROR;
p = get_pld_device_by_name_or_numstr(CMD_ARGV[0]);
if (!p) {
command_print(CMD, "pld device '#%s' is out of bounds or unknown", CMD_ARGV[0]);
return ERROR_OK;
}
struct stat input_stat;
if (stat(CMD_ARGV[1], &input_stat) == -1) {
LOG_ERROR("couldn't stat() %s: %s", CMD_ARGV[1], strerror(errno));
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (S_ISDIR(input_stat.st_mode)) {
LOG_ERROR("%s is a directory", CMD_ARGV[1]);
return ERROR_PLD_FILE_LOAD_FAILED;
}
if (input_stat.st_size == 0) {
LOG_ERROR("Empty file %s", CMD_ARGV[1]);
return ERROR_PLD_FILE_LOAD_FAILED;
}
retval = p->driver->load(p, CMD_ARGV[1]);
if (retval != ERROR_OK) {
command_print(CMD, "failed loading file %s to pld device %s",
CMD_ARGV[1], CMD_ARGV[0]);
return retval;
} else {
gettimeofday(&end, NULL);
timeval_subtract(&duration, &end, &start);
command_print(CMD, "loaded file %s to pld device %s in %jis %jius",
CMD_ARGV[1], CMD_ARGV[0],
(intmax_t)duration.tv_sec, (intmax_t)duration.tv_usec);
}
return ERROR_OK;
}
static const struct command_registration pld_exec_command_handlers[] = {
{
.name = "devices",
.handler = handle_pld_devices_command,
.mode = COMMAND_EXEC,
.help = "list configured pld devices",
.usage = "",
},
{
.name = "load",
.handler = handle_pld_load_command,
.mode = COMMAND_EXEC,
.help = "load configuration file into PLD",
.usage = "pld_name filename",
},
COMMAND_REGISTRATION_DONE
};
static int pld_init(struct command_context *cmd_ctx)
{
if (!pld_devices)
return ERROR_OK;
return register_commands(cmd_ctx, "pld", pld_exec_command_handlers);
}
COMMAND_HANDLER(handle_pld_init_command)
{
if (CMD_ARGC != 0)
return ERROR_COMMAND_SYNTAX_ERROR;
static bool pld_initialized;
if (pld_initialized) {
LOG_INFO("'pld init' has already been called");
return ERROR_OK;
}
pld_initialized = true;
LOG_DEBUG("Initializing PLDs...");
return pld_init(CMD_CTX);
}
static const struct command_registration pld_config_command_handlers[] = {
{
.name = "create",
.mode = COMMAND_CONFIG,
.handler = handle_pld_create_command,
.help = "create a PLD device",
.usage = "name.pld driver_name [driver_args ... ]",
},
{
.name = "init",
.mode = COMMAND_CONFIG,
.handler = handle_pld_init_command,
.help = "initialize PLD devices",
.usage = ""
},
COMMAND_REGISTRATION_DONE
};
static const struct command_registration pld_command_handler[] = {
{
.name = "pld",
.mode = COMMAND_ANY,
.help = "programmable logic device commands",
.usage = "",
.chain = pld_config_command_handlers,
},
COMMAND_REGISTRATION_DONE
};
int pld_register_commands(struct command_context *cmd_ctx)
{
return register_commands(cmd_ctx, NULL, pld_command_handler);
}
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