portapack-mayhem/firmware/application/cpld_update.cpp

116 lines
2.9 KiB
C++

/*
* 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"
bool cpld_update_if_necessary() {
jtag::GPIOTarget target {
portapack::gpio_cpld_tck,
portapack::gpio_cpld_tms,
portapack::gpio_cpld_tdi,
portapack::gpio_cpld_tdo
};
jtag::JTAG jtag { target };
cpld::max5::CPLD cpld { jtag };
/* Unknown state */
cpld.reset();
cpld.run_test_idle();
/* Run-Test/Idle */
if( !cpld.idcode_ok() ) {
return false;
}
/* Enter ISP:
* Ensures that the I/O pins transition smoothly from user mode to ISP
* mode. All pins are tri-stated.
*/
cpld.enter_isp();
/* 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(
portapack::cpld::block_0,
portapack::cpld::block_1
);
/* CPLD verifies incorrectly. Erase and program with current bitstream. */
if( !ok ) {
ok = cpld.program(
portapack::cpld::block_0,
portapack::cpld::block_1
);
}
/* If programming OK, reset CPLD to user mode. Otherwise leave it in
* passive (ISP) state.
*/
if( ok ) {
cpld.exit_isp();
}
return ok;
}
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 cpld_hackrf_load_sram() {
auto jtag_target_hackrf_cpld = jtag_target_hackrf();
cpld::xilinx::XC2C64A 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 cpld_hackrf_verify_eeprom() {
auto jtag_target_hackrf_cpld = jtag_target_hackrf();
cpld::xilinx::XC2C64A hackrf_cpld { jtag_target_hackrf_cpld };
const auto ok = hackrf_cpld.verify_eeprom(hackrf::one::cpld::verify_blocks);
return ok;
}