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Merge from master

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This commit is contained in:
Byron Lathi
2023-09-18 20:08:59 -07:00
parent 02ac7d5213 b30e4c73fb
commit 66bebf476e
18 changed files with 132 additions and 86 deletions
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26
hw/efinix_fpga/src/addr_decode.sv Normal file
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module addr_decode
(
input [24:0] i_addr,
input config_reg_sel,
output o_rom_cs,
output o_leds_cs,
output o_timer_cs,
output o_multiplier_cs,
output o_divider_cs,
output o_uart_cs,
output o_spi_cs,
output o_sdram_cs
);
assign o_rom_cs = (i_addr >= 25'hf000 && i_addr <= 25'hffff) && ~config_reg_sel;
assign o_timer_cs = (i_addr >= 25'heff8 && i_addr <= 25'heffb) && ~config_reg_sel;
assign o_multiplier_cs = (i_addr >= 25'heff0 && i_addr <= 25'heff7) && ~config_reg_sel;
assign o_divider_cs = (i_addr >= 25'hefe8 && i_addr <= 25'hefef) && ~config_reg_sel;
assign o_uart_cs = (i_addr >= 25'hefe6 && i_addr <= 25'hefe7) && ~config_reg_sel;
assign o_spi_cs = (i_addr >= 25'hefd8 && i_addr <= 25'hefdb) && ~config_reg_sel;
assign o_leds_cs = (i_addr == 25'hefff) && ~config_reg_sel;
assign o_sdram_cs = (i_addr < 25'he000 || i_addr >= 25'h10000) && ~config_reg_sel;
endmodule