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Polprzewodnikowy 2021-08-26 00:43:29 +02:00
parent 1722b3cd3f
commit 43bf7ecbd1
6 changed files with 69 additions and 64 deletions
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6
fw/SummerCart64.qsf
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@ -19,7 +19,7 @@
#
# Quartus Prime
# Version 20.1.1 Build 720 11/11/2020 SJ Lite Edition
# Date created = 23:35:14 August 23, 2021
# Date created = 00:43:07 August 26, 2021
#
# -------------------------------------------------------------------------- #
#
@ -79,6 +79,7 @@ set_global_assignment -name SYSTEMVERILOG_FILE rtl/system/config.sv
set_global_assignment -name SYSTEMVERILOG_FILE rtl/system/sc64.sv
set_global_assignment -name SYSTEMVERILOG_FILE rtl/system/system.sv
set_global_assignment -name SYSTEMVERILOG_FILE rtl/usb/usb_ft1248.sv
set_global_assignment -name SIGNALTAP_FILE output_files/signaltap.stp
# Pin & Location Assignments
# ==========================
@ -297,6 +298,7 @@ set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to i_usb_miso
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
set_global_assignment -name PARTITION_FITTER_PRESERVATION_LEVEL PLACEMENT_AND_ROUTING -section_id Top
set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
# end DESIGN_PARTITION(Top)
# -------------------------
@ -321,5 +323,3 @@ set_global_assignment -name PARTITION_COLOR 16764057 -section_id Top
# end ENTITY(intel_gpio_ddro)
# ---------------------------
set_global_assignment -name SIGNALTAP_FILE output_files/signaltap.stp
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top

15
fw/rtl/SummerCart64.sv
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@ -48,12 +48,6 @@ module SummerCart64 (
logic [7:0] gpio_i;
logic [7:0] gpio_oe;
always_comb begin
o_led = gpio_oe[0] ? gpio_o[0] : 1'bZ;
o_n64_irq = gpio_oe[1] ? gpio_o[1] : 1'bZ;
gpio_i = {4'b0000, i_n64_nmi, i_n64_reset, o_n64_irq, o_led};
end
if_system sys (
.in_clk(i_clk),
.n64_reset(i_n64_reset),
@ -125,4 +119,13 @@ module SummerCart64 (
.sd_dat(io_sd_dat)
);
always_comb begin
o_led = gpio_oe[0] ? gpio_o[0] : 1'bZ;
o_n64_irq = gpio_oe[1] ? gpio_o[1] : 1'bZ;
end
always_ff @(posedge sys.clk) begin
gpio_i <= {4'b0000, i_n64_nmi, i_n64_reset, o_n64_irq, o_led};
end
endmodule

1
fw/rtl/cpu/cpu_dma.sv
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@ -113,6 +113,7 @@ module cpu_dma (
0: bus.rdata = {28'd0, state != S_IDLE, direction, 2'b00};
1: bus.rdata = dma.address;
2: bus.rdata = {2'b00, dma.id, length};
default: bus.rdata = 32'd0;
endcase
end
end

2
fw/rtl/memory/memory_sdram.sv
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@ -203,7 +203,7 @@ module memory_sdram (
S_BUSY: begin
if (ack) begin
next_state <= S_ACTIVE;
next_state = S_ACTIVE;
end
end

1
fw/rtl/n64/n64_cfg.sv
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@ -26,6 +26,7 @@ module n64_cfg (
9: bus.rdata = cfg.response[15:0];
10: bus.rdata = cfg.arg[0][31:16];
11: bus.rdata = cfg.arg[0][15:0];
default: bus.rdata = 16'd0;
endcase
end
end

4
fw/rtl/system/system.sv
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@ -65,8 +65,8 @@ module system (if_system.internal sys);
always_comb begin
sys.reset = ~locked | external_reset;
sys.n64_hard_reset <= ~n64_reset_ff[1];
sys.n64_soft_reset <= ~n64_nmi_ff[1];
sys.n64_hard_reset = ~n64_reset_ff[1];
sys.n64_soft_reset = ~n64_nmi_ff[1];
end
endmodule