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https://opencores.org/ocsvn/oms8051mini/oms8051mini/trunk
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Rev 10 |
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Line 1... |
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initial
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initial
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begin
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begin
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reg_cs = 0;
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reg_cs = 0;
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reg_be = 4'h0;
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reg_be = 4'h0;
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reg_id = 0;
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end
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end
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task cpu_read;
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task cpu_read;
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input [2:0] block_id;
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input [3:0] block_id;
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input [15:0] address;
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input [15:0] address;
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output [31:0] read_data;
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output [31:0] read_data;
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begin
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begin
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@(posedge app_clk);
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@(posedge app_clk);
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if(block_id == 1) reg_id = `ADDR_SPACE_MAC;
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reg_id = block_id;
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if(block_id == 2) reg_id = `ADDR_SPACE_SPI;
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if(block_id == 3) reg_id = `ADDR_SPACE_UART;
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if(block_id == 4) reg_id = `ADDR_SPACE_RAM;
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reg_cs = 1;
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reg_cs = 1;
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reg_wr = 0;
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reg_wr = 0;
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reg_be = 4'hF;
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reg_be = 4'hF;
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reg_addr = address;
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reg_addr = address;
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@(posedge reg_ack);
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@(posedge reg_ack);
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Line 24... |
//$display ("Config-Read: Id: %h Addr = %h, Data = %h", block_id,address, read_data);
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//$display ("Config-Read: Id: %h Addr = %h, Data = %h", block_id,address, read_data);
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end
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end
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endtask
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endtask
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task cpu_write;
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task cpu_write;
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input [2:0] block_id; // 1/2/3 --> mac/spi/uart
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input [3:0] block_id; // 0/1/2 --> ram/spi/uart
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input [15:0] address;
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input [15:0] address;
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input [31:0] write_data;
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input [31:0] write_data;
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begin
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begin
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$display ("Config-Write: Id: %h Addr = %h, Cfg. Data = %h", block_id,address, write_data);
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$display ("Config-Write: Id: %h Addr = %h, Cfg. Data = %h", block_id,address, write_data);
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@(posedge app_clk);
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@(posedge app_clk);
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if(block_id == 1) reg_id = `ADDR_SPACE_MAC;
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reg_id = block_id;
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if(block_id == 2) reg_id = `ADDR_SPACE_SPI;
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if(block_id == 3) reg_id = `ADDR_SPACE_UART;
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reg_cs = 1;
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reg_cs = 1;
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reg_wr = 1;
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reg_wr = 1;
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reg_be = 4'hF;
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reg_be = 4'hF;
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reg_addr = address;
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reg_addr = address;
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reg_wdata = write_data;
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reg_wdata = write_data;
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