tinyriscv/rtl/top/tinyriscv_soc_top.v

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/*
Copyright 2020 Blue Liang, liangkangnan@163.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 "../core/defines.v"
// tinyriscv soc
module tinyriscv_soc_top(
input wire clk,
input wire rst_n,
output reg over, //
output reg succ, //
output wire halted_ind, // jtaghaltCPU
output wire uart_tx_pin, // UART
input wire uart_rx_pin, // UART
inout wire[1:0] gpio, // GPIO
input wire jtag_TCK, // JTAG TCK
input wire jtag_TMS, // JTAG TMS
input wire jtag_TDI, // JTAG TDI
output wire jtag_TDO // JTAG TDO
);
// master 0 interface
wire[31:0] m0_addr_i;
wire[31:0] m0_data_i;
wire[3:0] m0_sel_i;
wire m0_req_vld_i;
wire m0_rsp_rdy_i;
wire m0_we_i;
wire m0_req_rdy_o;
wire m0_rsp_vld_o;
wire[31:0] m0_data_o;
// master 1 interface
wire[31:0] m1_addr_i;
wire[31:0] m1_data_i;
wire[3:0] m1_sel_i;
wire m1_req_vld_i;
wire m1_rsp_rdy_i;
wire m1_we_i;
wire m1_req_rdy_o;
wire m1_rsp_vld_o;
wire[31:0] m1_data_o;
// master 2 interface
wire[31:0] m2_addr_i;
wire[31:0] m2_data_i;
wire[3:0] m2_sel_i;
wire m2_req_vld_i;
wire m2_rsp_rdy_i;
wire m2_we_i;
wire m2_req_rdy_o;
wire m2_rsp_vld_o;
wire[31:0] m2_data_o;
// master 3 interface
wire[31:0] m3_addr_i;
wire[31:0] m3_data_i;
wire[3:0] m3_sel_i;
wire m3_req_vld_i;
wire m3_rsp_rdy_i;
wire m3_we_i;
wire m3_req_rdy_o;
wire m3_rsp_vld_o;
wire[31:0] m3_data_o;
// slave 0 interface
wire[31:0] s0_data_i;
wire s0_req_rdy_i;
wire s0_rsp_vld_i;
wire[31:0] s0_addr_o;
wire[31:0] s0_data_o;
wire[3:0] s0_sel_o;
wire s0_req_vld_o;
wire s0_rsp_rdy_o;
wire s0_we_o;
// slave 1 interface
wire[31:0] s1_data_i;
wire s1_req_rdy_i;
wire s1_rsp_vld_i;
wire[31:0] s1_addr_o;
wire[31:0] s1_data_o;
wire[3:0] s1_sel_o;
wire s1_req_vld_o;
wire s1_rsp_rdy_o;
wire s1_we_o;
// slave 2 interface
wire[31:0] s2_data_i;
wire s2_req_rdy_i;
wire s2_rsp_vld_i;
wire[31:0] s2_addr_o;
wire[31:0] s2_data_o;
wire[3:0] s2_sel_o;
wire s2_req_vld_o;
wire s2_rsp_rdy_o;
wire s2_we_o;
// slave 3 interface
wire[31:0] s3_data_i;
wire s3_req_rdy_i;
wire s3_rsp_vld_i;
wire[31:0] s3_addr_o;
wire[31:0] s3_data_o;
wire[3:0] s3_sel_o;
wire s3_req_vld_o;
wire s3_rsp_rdy_o;
wire s3_we_o;
// slave 4 interface
wire[31:0] s4_data_i;
wire s4_req_rdy_i;
wire s4_rsp_vld_i;
wire[31:0] s4_addr_o;
wire[31:0] s4_data_o;
wire[3:0] s4_sel_o;
wire s4_req_vld_o;
wire s4_rsp_rdy_o;
wire s4_we_o;
// jtag
wire jtag_halt_req_o;
wire jtag_reset_req_o;
wire[4:0] jtag_reg_addr_o;
wire[31:0] jtag_reg_data_o;
wire jtag_reg_we_o;
wire[31:0] jtag_reg_data_i;
// tinyriscv
wire[`INT_WIDTH-1:0] int_flag;
// timer0
wire timer0_int;
// gpio
wire[1:0] io_in;
wire[31:0] gpio_ctrl;
wire[31:0] gpio_data;
assign int_flag = {{(`INT_WIDTH-1){1'b0}}, timer0_int};
// LED
// haltCPU
assign halted_ind = ~jtag_halt_req_o;
always @ (posedge clk or negedge rst_n) begin
if (!rst_n) begin
over <= 1'b1;
succ <= 1'b1;
end else begin
over <= ~u_tinyriscv_core.u_gpr_reg.regs[26]; // when = 1, run over
succ <= ~u_tinyriscv_core.u_gpr_reg.regs[27]; // when = 1, run succ, otherwise fail
end
end
// tinyriscv
tinyriscv_core u_tinyriscv_core(
.clk(clk),
.rst_n(rst_n),
// 线
.ibus_addr_o(m0_addr_i),
.ibus_data_i(m0_data_o),
.ibus_data_o(m0_data_i),
.ibus_we_o(m0_we_i),
.ibus_sel_o(m0_sel_i),
.ibus_req_valid_o(m0_req_vld_i),
.ibus_req_ready_i(m0_req_rdy_o),
.ibus_rsp_valid_i(m0_rsp_vld_o),
.ibus_rsp_ready_o(m0_rsp_rdy_i),
// 线
.dbus_addr_o(m1_addr_i),
.dbus_data_i(m1_data_o),
.dbus_data_o(m1_data_i),
.dbus_we_o(m1_we_i),
.dbus_sel_o(m1_sel_i),
.dbus_req_valid_o(m1_req_vld_i),
.dbus_req_ready_i(m1_req_rdy_o),
.dbus_rsp_valid_i(m1_rsp_vld_o),
.dbus_rsp_ready_o(m1_rsp_rdy_i),
.jtag_halt_i(jtag_halt_req_o),
.int_i(int_flag)
);
//
rom #(
.DP(`ROM_DEPTH)
) u_rom(
.clk(clk),
.rst_n(rst_n),
.addr_i(s0_addr_o),
.data_i(s0_data_o),
.sel_i(s0_sel_o),
.we_i(s0_we_o),
.data_o(s0_data_i),
.req_valid_i(s0_req_vld_o),
.req_ready_o(s0_req_rdy_i),
.rsp_valid_o(s0_rsp_vld_i),
.rsp_ready_i(s0_rsp_rdy_o)
);
//
ram #(
.DP(`RAM_DEPTH)
) u_ram(
.clk(clk),
.rst_n(rst_n),
.addr_i(s1_addr_o),
.data_i(s1_data_o),
.sel_i(s1_sel_o),
.we_i(s1_we_o),
.data_o(s1_data_i),
.req_valid_i(s1_req_vld_o),
.req_ready_o(s1_req_rdy_i),
.rsp_valid_o(s1_rsp_vld_i),
.rsp_ready_i(s1_rsp_rdy_o)
);
// timer
timer timer_0(
.clk(clk),
.rst_n(rst_n),
.addr_i(s2_addr_o),
.data_i(s2_data_o),
.sel_i(s2_sel_o),
.we_i(s2_we_o),
.data_o(s2_data_i),
.req_valid_i(s2_req_vld_o),
.req_ready_o(s2_req_rdy_i),
.rsp_valid_o(s2_rsp_vld_i),
.rsp_ready_i(s2_rsp_rdy_o),
.int_sig_o(timer0_int)
);
// uart
uart uart_0(
.clk(clk),
.rst_n(rst_n),
.addr_i(s3_addr_o),
.data_i(s3_data_o),
.sel_i(s3_sel_o),
.we_i(s3_we_o),
.data_o(s3_data_i),
.req_valid_i(s3_req_vld_o),
.req_ready_o(s3_req_rdy_i),
.rsp_valid_o(s3_rsp_vld_i),
.rsp_ready_i(s3_rsp_rdy_o),
.tx_pin(uart_tx_pin),
.rx_pin(uart_rx_pin)
);
// io0
assign gpio[0] = (gpio_ctrl[1:0] == 2'b01)? gpio_data[0]: 1'bz;
assign io_in[0] = gpio[0];
// io1
assign gpio[1] = (gpio_ctrl[3:2] == 2'b01)? gpio_data[1]: 1'bz;
assign io_in[1] = gpio[1];
// gpio
gpio gpio_0(
.clk(clk),
.rst_n(rst_n),
.addr_i(s4_addr_o),
.data_i(s4_data_o),
.sel_i(s4_sel_o),
.we_i(s4_we_o),
.data_o(s4_data_i),
.req_valid_i(s4_req_vld_o),
.req_ready_o(s4_req_rdy_i),
.rsp_valid_o(s4_rsp_vld_i),
.rsp_ready_i(s4_rsp_rdy_o),
.io_pin_i(io_in),
.reg_ctrl(gpio_ctrl),
.reg_data(gpio_data)
);
// jtag
jtag_top #(
.DMI_ADDR_BITS(6),
.DMI_DATA_BITS(32),
.DMI_OP_BITS(2)
) u_jtag_top(
.clk(clk),
.jtag_rst_n(rst_n),
.jtag_pin_TCK(jtag_TCK),
.jtag_pin_TMS(jtag_TMS),
.jtag_pin_TDI(jtag_TDI),
.jtag_pin_TDO(jtag_TDO),
.reg_we_o(jtag_reg_we_o),
.reg_addr_o(jtag_reg_addr_o),
.reg_wdata_o(jtag_reg_data_o),
.reg_rdata_i(jtag_reg_data_i),
.mem_we_o(m2_we_i),
.mem_addr_o(m2_addr_i),
.mem_wdata_o(m2_data_i),
.mem_rdata_i(m2_data_o),
.mem_sel_o(m2_sel_i),
.req_valid_o(m2_req_vld_i),
.req_ready_i(m2_req_rdy_o),
.rsp_valid_i(m2_rsp_vld_o),
.rsp_ready_o(m2_rsp_rdy_i),
.halt_req_o(jtag_halt_req_o),
.reset_req_o(jtag_reset_req_o)
);
// rib线
rib #(
.MASTER_NUM(3),
.SLAVE_NUM(5)
) u_rib(
.clk(clk),
.rst_n(rst_n),
// master 0 interface
.m0_addr_i(m0_addr_i),
.m0_data_i(m0_data_i),
.m0_sel_i(m0_sel_i),
.m0_req_vld_i(m0_req_vld_i),
.m0_rsp_rdy_i(m0_rsp_rdy_i),
.m0_we_i(m0_we_i),
.m0_req_rdy_o(m0_req_rdy_o),
.m0_rsp_vld_o(m0_rsp_vld_o),
.m0_data_o(m0_data_o),
// master 1 interface
.m1_addr_i(m1_addr_i),
.m1_data_i(m1_data_i),
.m1_sel_i(m1_sel_i),
.m1_req_vld_i(m1_req_vld_i),
.m1_rsp_rdy_i(m1_rsp_rdy_i),
.m1_we_i(m1_we_i),
.m1_req_rdy_o(m1_req_rdy_o),
.m1_rsp_vld_o(m1_rsp_vld_o),
.m1_data_o(m1_data_o),
// master 2 interface
.m2_addr_i(m2_addr_i),
.m2_data_i(m2_data_i),
.m2_sel_i(m2_sel_i),
.m2_req_vld_i(m2_req_vld_i),
.m2_rsp_rdy_i(m2_rsp_rdy_i),
.m2_we_i(m2_we_i),
.m2_req_rdy_o(m2_req_rdy_o),
.m2_rsp_vld_o(m2_rsp_vld_o),
.m2_data_o(m2_data_o),
// master 3 interface
.m3_addr_i(m3_addr_i),
.m3_data_i(m3_data_i),
.m3_sel_i(m3_sel_i),
.m3_req_vld_i(m3_req_vld_i),
.m3_rsp_rdy_i(m3_rsp_rdy_i),
.m3_we_i(m3_we_i),
.m3_req_rdy_o(m3_req_rdy_o),
.m3_rsp_vld_o(m3_rsp_vld_o),
.m3_data_o(m3_data_o),
// slave 0 interface
.s0_data_i(s0_data_i),
.s0_req_rdy_i(s0_req_rdy_i),
.s0_rsp_vld_i(s0_rsp_vld_i),
.s0_addr_o(s0_addr_o),
.s0_data_o(s0_data_o),
.s0_sel_o(s0_sel_o),
.s0_req_vld_o(s0_req_vld_o),
.s0_rsp_rdy_o(s0_rsp_rdy_o),
.s0_we_o(s0_we_o),
// slave 1 interface
.s1_data_i(s1_data_i),
.s1_req_rdy_i(s1_req_rdy_i),
.s1_rsp_vld_i(s1_rsp_vld_i),
.s1_addr_o(s1_addr_o),
.s1_data_o(s1_data_o),
.s1_sel_o(s1_sel_o),
.s1_req_vld_o(s1_req_vld_o),
.s1_rsp_rdy_o(s1_rsp_rdy_o),
.s1_we_o(s1_we_o),
// slave 2 interface
.s2_data_i(s2_data_i),
.s2_req_rdy_i(s2_req_rdy_i),
.s2_rsp_vld_i(s2_rsp_vld_i),
.s2_addr_o(s2_addr_o),
.s2_data_o(s2_data_o),
.s2_sel_o(s2_sel_o),
.s2_req_vld_o(s2_req_vld_o),
.s2_rsp_rdy_o(s2_rsp_rdy_o),
.s2_we_o(s2_we_o),
// slave 3 interface
.s3_data_i(s3_data_i),
.s3_req_rdy_i(s3_req_rdy_i),
.s3_rsp_vld_i(s3_rsp_vld_i),
.s3_addr_o(s3_addr_o),
.s3_data_o(s3_data_o),
.s3_sel_o(s3_sel_o),
.s3_req_vld_o(s3_req_vld_o),
.s3_rsp_rdy_o(s3_rsp_rdy_o),
.s3_we_o(s3_we_o),
// slave 4 interface
.s4_data_i(s4_data_i),
.s4_req_rdy_i(s4_req_rdy_i),
.s4_rsp_vld_i(s4_rsp_vld_i),
.s4_addr_o(s4_addr_o),
.s4_data_o(s4_data_o),
.s4_sel_o(s4_sel_o),
.s4_req_vld_o(s4_req_vld_o),
.s4_rsp_rdy_o(s4_rsp_rdy_o),
.s4_we_o(s4_we_o)
);
endmodule