112 lines
3.5 KiB
C++
112 lines
3.5 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.
|
|
******************************************************************************/
|
|
|
|
#ifndef _UART_REGS_H_
|
|
#define _UART_REGS_H_
|
|
|
|
#include <util/bit_field.h>
|
|
#include <sysc/register.h>
|
|
#include <sysc/utilities.h>
|
|
#include <sysc/tlm_target.h>
|
|
|
|
namespace sysc {
|
|
|
|
template<unsigned BUSWIDTH=32>
|
|
class uart_regs :
|
|
public sc_core::sc_module,
|
|
public sysc::tlm_target<BUSWIDTH>,
|
|
public sysc::resetable
|
|
{
|
|
protected:
|
|
// storage declarations
|
|
BEGIN_BF_DECL(txdata_t, uint32_t);
|
|
BF_FIELD(data, 0, 8);
|
|
BF_FIELD(full, 31, 1);
|
|
END_BF_DECL() r_txdata;
|
|
|
|
BEGIN_BF_DECL(rxdata_t, uint32_t);
|
|
BF_FIELD(data, 0, 8);
|
|
BF_FIELD(empty, 31, 1);
|
|
END_BF_DECL() r_rxdata;
|
|
|
|
BEGIN_BF_DECL(txctrl_t, uint32_t);
|
|
BF_FIELD(txen, 0, 1);
|
|
BF_FIELD(nstop, 1, 1);
|
|
BF_FIELD(reserved, 2, 14);
|
|
BF_FIELD(txcnt, 16, 3);
|
|
END_BF_DECL() r_txctrl;
|
|
|
|
BEGIN_BF_DECL(rxctrl_t, uint32_t);
|
|
BF_FIELD(rxen, 0, 1);
|
|
BF_FIELD(reserved, 1, 15);
|
|
BF_FIELD(rxcnt, 16, 3);
|
|
END_BF_DECL() r_rxctrl;
|
|
|
|
BEGIN_BF_DECL(ie_t, uint32_t);
|
|
BF_FIELD(txwm, 0, 1);
|
|
BF_FIELD(rxwm, 1, 1);
|
|
END_BF_DECL() r_ie;
|
|
|
|
BEGIN_BF_DECL(ip_t, uint32_t);
|
|
BF_FIELD(txwm, 0, 1);
|
|
BF_FIELD(rxwm, 1, 1);
|
|
END_BF_DECL() r_ip;
|
|
|
|
BEGIN_BF_DECL(div_t, uint32_t);
|
|
BF_FIELD(div, 0, 16);
|
|
END_BF_DECL() r_div;
|
|
|
|
// register declarations
|
|
sysc::sc_register<typename txdata_t::StorageType> txdata;
|
|
sysc::sc_register<typename rxdata_t::StorageType> rxdata;
|
|
sysc::sc_register<typename txctrl_t::StorageType> txctrl;
|
|
sysc::sc_register<typename rxctrl_t::StorageType> rxctrl;
|
|
sysc::sc_register<typename ie_t::StorageType> ie;
|
|
sysc::sc_register<typename ip_t::StorageType> ip;
|
|
sysc::sc_register<typename div_t::StorageType> div;
|
|
|
|
uart_regs(sc_core::sc_module_name nm);
|
|
protected:
|
|
sc_core::sc_time clk;
|
|
};
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// member functions
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
template<unsigned BUSWIDTH>
|
|
uart_regs<BUSWIDTH>::uart_regs(sc_core::sc_module_name nm)
|
|
: sc_core::sc_module(nm)
|
|
, sysc::tlm_target<BUSWIDTH>(clk)
|
|
, NAMED(txdata, r_txdata, 0, *this)
|
|
, NAMED(rxdata, r_rxdata, 0, *this)
|
|
, NAMED(txctrl, r_txctrl, 0, *this)
|
|
, NAMED(rxctrl, r_rxctrl, 0, *this)
|
|
, NAMED(ie, r_ie, 0, *this)
|
|
, NAMED(ip, r_ip, 0, *this)
|
|
, NAMED(div, r_div, 0, *this)
|
|
{
|
|
this->socket_map.addEntry(&txdata, 0x0UL, 0x4UL);
|
|
this->socket_map.addEntry(&rxdata, 0x4UL, 0x4UL);
|
|
this->socket_map.addEntry(&txctrl, 0x8UL, 0x4UL);
|
|
this->socket_map.addEntry(&rxctrl, 0xcUL, 0x4UL);
|
|
this->socket_map.addEntry(&ie, 0x10UL, 0x4UL);
|
|
this->socket_map.addEntry(&ip, 0x14UL, 0x4UL);
|
|
this->socket_map.addEntry(&div, 0x18UL, 0x4UL);
|
|
}
|
|
|
|
}
|
|
#endif // _UART_REGS_H_
|