HackRF-Treasure-Chest/Software/portapack-mayhem/firmware/common/cpld_update.cpp

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2022-09-22 18:26:57 +02:00
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "cpld_update.hpp"
#include "hackrf_gpio.hpp"
#include "portapack_hal.hpp"
#include "jtag_target_gpio.hpp"
#include "cpld_max5.hpp"
#include "cpld_xilinx.hpp"
#include "portapack_cpld_data.hpp"
#include "hackrf_cpld_data.hpp"
namespace portapack {
namespace cpld {
bool update_if_necessary(
const Config config
) {
jtag::GPIOTarget target {
portapack::gpio_cpld_tck,
portapack::gpio_cpld_tms,
portapack::gpio_cpld_tdi,
portapack::gpio_cpld_tdo
};
jtag::JTAG jtag { target };
CPLD cpld { jtag };
/* Unknown state */
cpld.reset();
cpld.run_test_idle();
/* Run-Test/Idle */
if( !cpld.idcode_ok() ) {
return false;
}
cpld.sample();
cpld.bypass();
cpld.enable();
/* If silicon ID doesn't match, there's a serious problem. Leave CPLD
* in passive state.
*/
if( !cpld.silicon_id_ok() ) {
return false;
}
/* Verify CPLD contents against current bitstream. */
auto ok = cpld.verify(config.block_0, config.block_1);
/* CPLD verifies incorrectly. Erase and program with current bitstream. */
if( !ok ) {
ok = cpld.program(config.block_0, config.block_1);
}
/* If programming OK, reset CPLD to user mode. Otherwise leave it in
* passive (ISP) state.
*/
if( ok ) {
cpld.disable();
cpld.bypass();
/* Initiate SRAM reload from flash we just programmed. */
cpld.sample();
cpld.clamp();
cpld.disable();
}
return ok;
}
} /* namespace cpld */
} /* namespace portapack */
namespace hackrf {
namespace cpld {
static jtag::GPIOTarget jtag_target_hackrf() {
return {
hackrf::one::gpio_cpld_tck,
hackrf::one::gpio_cpld_tms,
hackrf::one::gpio_cpld_tdi,
hackrf::one::gpio_cpld_tdo,
};
}
bool load_sram() {
auto jtag_target_hackrf_cpld = jtag_target_hackrf();
hackrf::one::cpld::CPLD hackrf_cpld { jtag_target_hackrf_cpld };
hackrf_cpld.write_sram(hackrf::one::cpld::verify_blocks);
const auto ok = hackrf_cpld.verify_sram(hackrf::one::cpld::verify_blocks);
return ok;
}
bool verify_eeprom() {
auto jtag_target_hackrf_cpld = jtag_target_hackrf();
hackrf::one::cpld::CPLD hackrf_cpld { jtag_target_hackrf_cpld };
const auto ok = hackrf_cpld.verify_eeprom(hackrf::one::cpld::verify_blocks);
return ok;
}
void init_from_eeprom() {
auto jtag_target_hackrf_cpld = jtag_target_hackrf();
hackrf::one::cpld::CPLD hackrf_cpld { jtag_target_hackrf_cpld };
hackrf_cpld.init_from_eeprom();
}
} /* namespace cpld */
} /* namespace hackrf */