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First throw at UART.

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This commit is contained in:
Byron Lathi
2023-01-12 13:34:46 -06:00
parent 7e97784992
commit ab46236816
8 changed files with 554 additions and 417 deletions
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4
hw/efinix_fpga/addr_decode.sv
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@@ -14,8 +14,8 @@ module addr_decode
assign o_rom_cs = i_addr >= 16'hf000 && i_addr <= 16'hffff;
assign o_timer_cs = i_addr >= 16'heff8 && i_addr <= 16'heffb;
assign o_multiplier_cs = i_addr >= 16'heff0 && i_addr <= 16'heff7;
assign o_divider_cs = i_addr >= 16'hefe7 && i_addr <= 16'hefef;
assign o_uart_cs = i_addr >= 16'hefe5 && i_addr <= 16'hefe6;
assign o_divider_cs = i_addr >= 16'hefe8 && i_addr <= 16'hefef;
assign o_uart_cs = i_addr >= 16'hefe6 && i_addr <= 16'hefe7;
assign o_leds_cs = i_addr == 16'hefff;
assign o_sdram_cs = i_addr < 16'h8000;