mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-11-27 08:04:14 +01:00
124 lines
2.8 KiB
Systemverilog
124 lines
2.8 KiB
Systemverilog
module cpu_soc (
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if_system.sys system_if,
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input [7:0] gpio_i,
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output [7:0] gpio_o,
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output [7:0] gpio_oe,
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output usb_clk,
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output usb_cs,
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input usb_miso,
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inout [3:0] usb_miosi,
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output ftdi_clk,
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output ftdi_si,
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input ftdi_so,
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input ftdi_cts,
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inout scl,
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inout sda
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);
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if_cpu_bus_out cpu_bus_if ();
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wire cpu_ack;
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wire [31:0] cpu_rdata;
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picorv32 #(
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.ENABLE_COUNTERS(0),
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.ENABLE_COUNTERS64(0),
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.ENABLE_REGS_16_31(1),
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.ENABLE_REGS_DUALPORT(1),
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.LATCHED_MEM_RDATA(0),
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.TWO_STAGE_SHIFT(0),
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.BARREL_SHIFTER(0),
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.TWO_CYCLE_COMPARE(0),
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.TWO_CYCLE_ALU(0),
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.COMPRESSED_ISA(0),
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.CATCH_MISALIGN(0),
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.CATCH_ILLINSN(0),
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.ENABLE_PCPI(0),
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.ENABLE_MUL(0),
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.ENABLE_FAST_MUL(0),
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.ENABLE_DIV(0),
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.ENABLE_IRQ(0),
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.ENABLE_IRQ_QREGS(0),
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.ENABLE_IRQ_TIMER(0),
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.ENABLE_TRACE(0),
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.REGS_INIT_ZERO(0),
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.MASKED_IRQ(32'h0000_0000),
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.LATCHED_IRQ(32'hFFFF_FFFF),
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.PROGADDR_RESET(32'hF000_0000),
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.PROGADDR_IRQ(32'h0000_0010),
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.STACKADDR(32'hFFFF_FFFF)
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) cpu_inst (
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.clk(system_if.clk),
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.resetn(~system_if.reset),
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.mem_valid(cpu_bus_if.req),
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.mem_ready(cpu_ack),
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.mem_addr(cpu_bus_if.address),
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.mem_wdata(cpu_bus_if.wdata),
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.mem_wstrb(cpu_bus_if.wstrb),
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.mem_rdata(cpu_rdata)
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);
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if_cpu_bus_in cpu_ram_if ();
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cpu_ram cpu_ram_inst (.*);
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if_cpu_bus_in cpu_bootloader_if ();
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cpu_bootloader cpu_bootloader_inst (.*);
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if_cpu_bus_in cpu_gpio_if ();
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cpu_gpio cpu_gpio_inst (
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.*,
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.gpio_i(gpio_i),
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.gpio_o(gpio_o),
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.gpio_oe(gpio_oe)
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);
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if_cpu_bus_in cpu_uart_if ();
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cpu_uart cpu_uart_inst (
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.*,
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.ftdi_clk(ftdi_clk),
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.ftdi_si(ftdi_si),
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.ftdi_so(ftdi_so),
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.ftdi_cts(ftdi_cts)
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);
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if_cpu_bus_in cpu_i2c_if ();
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cpu_i2c cpu_i2c_inst (
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.*,
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.scl(scl),
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.sda(sda)
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);
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if_cpu_bus_in cpu_usb_if ();
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cpu_usb cpu_usb_inst (
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.*,
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.usb_clk(usb_clk),
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.usb_cs(usb_cs),
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.usb_miso(usb_miso),
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.usb_miosi(usb_miosi)
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);
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assign cpu_ack = (
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cpu_ram_if.ack |
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cpu_bootloader_if.ack |
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cpu_gpio_if.ack |
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cpu_uart_if.ack |
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cpu_i2c_if.ack |
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cpu_usb_if.ack
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);
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assign cpu_rdata = (
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cpu_ram_if.rdata |
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cpu_bootloader_if.rdata |
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cpu_gpio_if.rdata |
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cpu_uart_if.rdata |
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cpu_i2c_if.rdata |
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cpu_usb_if.rdata
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);
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endmodule
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