52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Copyright 2017 eyck@minres.com
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
||
|
|
// use this file except in compliance with the License. You may obtain a copy
|
||
|
|
// of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||
|
|
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||
|
|
// License for the specific language governing permissions and limitations under
|
||
|
|
// the License.
|
||
|
|
////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#include "sysc/SiFive/spi.h"
|
||
|
|
#include "sysc/SiFive/gen/spi_regs.h"
|
||
|
|
#include "sysc/utilities.h"
|
||
|
|
|
||
|
|
namespace sysc {
|
||
|
|
|
||
|
|
spi::spi(sc_core::sc_module_name nm)
|
||
|
|
: sc_core::sc_module(nm)
|
||
|
|
, tlm_target<>(clk)
|
||
|
|
, NAMED(clk_i)
|
||
|
|
, NAMED(rst_i)
|
||
|
|
, NAMEDD(spi_regs, regs)
|
||
|
|
{
|
||
|
|
regs->registerResources(*this);
|
||
|
|
SC_METHOD(clock_cb);
|
||
|
|
sensitive<<clk_i;
|
||
|
|
SC_METHOD(reset_cb);
|
||
|
|
sensitive<<rst_i;
|
||
|
|
}
|
||
|
|
|
||
|
|
spi::~spi() {
|
||
|
|
}
|
||
|
|
|
||
|
|
void spi::clock_cb() {
|
||
|
|
this->clk=clk_i.read();
|
||
|
|
}
|
||
|
|
|
||
|
|
void spi::reset_cb() {
|
||
|
|
if(rst_i.read())
|
||
|
|
regs->reset_start();
|
||
|
|
else
|
||
|
|
regs->reset_stop();
|
||
|
|
}
|
||
|
|
|
||
|
|
} /* namespace sysc */
|