Files
RISCV-VP/src/vp/system.cpp
2026-01-10 13:32:36 +01:00

97 lines
2.4 KiB
C++

/*
* Copyright (c) 2019 -2021 MINRES Technolgies GmbH
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "system.h"
#include <minres/timer.h>
#include <minres/uart.h>
#include <scc/utilities.h>
namespace vp {
using namespace sc_core;
using namespace vpvper::minres;
system::system(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(ahb_router, 5, 2)
, NAMED(apbBridge, PipelinedMemoryBusToApbBridge_map.size(), 1) {
mtime_clk = (1.0 / 32768) * 1_sec;
core_complex.ibus(ahb_router.target[0]);
core_complex.dbus(ahb_router.target[1]);
ahb_router.bind_target(mem_ram.target, 1, 0x00000000, 128_kB);
ahb_router.bind_target(apbBridge.target[0], 2, 0x10000000, 128_MB);
ahb_router.bind_target(eth0.socket, 3, 0x18000000, 4_KiB);
ahb_router.bind_target(eth1.socket, 4, 0x18001000, 4_KiB);
ahb_router.bind_target(qspi.xip_sck, 0, 0x20000000, 16_MB);
size_t i = 0;
for(const auto& e : PipelinedMemoryBusToApbBridge_map) {
apbBridge.initiator.at(i)(e.target);
apbBridge.set_target_range(i, e.start, e.size);
i++;
}
gpio0.clk_i(clk_i);
uart0.clk_i(clk_i);
timer0.clk_i(clk_i);
aclint.clk_i(clk_i);
irq_ctrl.clk_i(clk_i);
qspi.clk_i(clk_i);
core_complex.clk_i(clk_i);
// mem_ram.clk_i(clk_i);
eth0.clk_i(clk_i);
eth1.clk_i(clk_i);
gpio0.rst_i(rst_s);
uart0.rst_i(rst_s);
timer0.rst_i(rst_s);
aclint.rst_i(rst_s);
irq_ctrl.rst_i(rst_s);
qspi.rst_i(rst_s);
core_complex.rst_i(rst_s);
eth0.rst_i(rst_s);
eth1.rst_i(rst_s);
aclint.mtime_clk_i(mtime_clk);
aclint.mtime_o(mtime_s);
aclint.mtime_int_o[0](clint_int_s[sysc::riscv::TIMER_IRQ]);
aclint.msip_int_o[0](clint_int_s[sysc::riscv::SW_IRQ]);
irq_ctrl.irq_o(clint_int_s[sysc::riscv::EXT_IRQ]);
irq_ctrl.pending_irq_i(irq_int_s);
uart0.irq_o(irq_int_s[0]);
timer0.interrupt_o[0](irq_int_s[1]);
timer0.interrupt_o[1](irq_int_s[2]);
qspi.irq_o(irq_int_s[3]);
core_complex.mtime_i(mtime_s);
core_complex.clint_irq_i(clint_int_s);
gpio0.pins_i(pins_i);
gpio0.pins_o(pins_o);
gpio0.oe_o(pins_oe_o);
uart0.tx_o(uart0_tx_o);
uart0.rx_i(uart0_rx_i);
timer0.clear_i(t0_clear_i);
timer0.tick_i(t0_tick_i);
qspi.spi_i(mspi0);
SC_METHOD(gen_reset);
sensitive << erst_n;
}
void system::gen_reset() {
if(erst_n.read())
rst_s = 0;
else
rst_s = 1;
}
} // namespace vp