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[/] [8051/] [tags/] [rel_12/] [rtl/] [verilog/] [oc8051_top.v] - Diff between revs 144 and 148

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Rev 144	Rev 148
Line 42...	Line 42...
`//////////////////////////////////////////////////////////////////////`	`//////////////////////////////////////////////////////////////////////`
`//`	`//`
`// CVS Revision History`	`// CVS Revision History`
`//`	`//`
`// $Log: not supported by cvs2svn $`	`// $Log: not supported by cvs2svn $`
	`// Revision 1.29 2003/05/07 12:36:03 simont`
	`// chsnge comp.des to des1`
	`//`
`// Revision 1.28 2003/05/06 09:41:35 simont`	`// Revision 1.28 2003/05/06 09:41:35 simont`
`// remove define OC8051_AS2_PCL, chane signal src_sel2 to 2 bit wide.`	`// remove define OC8051_AS2_PCL, chane signal src_sel2 to 2 bit wide.`
`//`	`//`
`// Revision 1.27 2003/05/05 15:46:37 simont`	`// Revision 1.27 2003/05/05 15:46:37 simont`
`// add aditional alu destination to solve critical path.`	`// add aditional alu destination to solve critical path.`
Line 96...	Line 99...

`// synopsys translate_off`	`// synopsys translate_off`
`include "oc8051_timescale.v"	`include "oc8051_timescale.v"
`// synopsys translate_on`	`// synopsys translate_on`

	`include "oc8051_defines.v"

`module oc8051_top (wb_rst_i, wb_clk_i,`	`module oc8051_top (wb_rst_i, wb_clk_i,`
`//interface to instruction rom`	`//interface to instruction rom`
`wbi_adr_o,`	`wbi_adr_o,`
`wbi_dat_i,`	`wbi_dat_i,`
Line 120...	Line 124...

`// interrupt interface`	`// interrupt interface`
`int0_i,`	`int0_i,`
`int1_i,`	`int1_i,`

`// external access (active low)`
`ea_in,`

`// port interface`	`// port interface`
`ifdef OC8051_PORTS	`ifdef OC8051_PORTS
`ifdef OC8051_PORT0	`ifdef OC8051_PORT0
`p0_i,`	`p0_i,`
Line 157...	Line 159...
`ifdef OC8051_TC01	`ifdef OC8051_TC01
`t0_i, t1_i,`	`t0_i, t1_i,`
`endif	`endif

`ifdef OC8051_TC2	`ifdef OC8051_TC2
`t2_i, t2ex_i`	`t2_i, t2ex_i,`
`endif	`endif

	`// external access (active low)`
	`ea_in`
`);`	`);`



`input wb_rst_i, // reset input`	`input wb_rst_i, // reset input`
Line 231...	Line 236...
`ifdef OC8051_TC2	`ifdef OC8051_TC2
`input t2_i, // counter 2 input`	`input t2_i, // counter 2 input`
`t2ex_i; //`	`t2ex_i; //`
`endif	`endif

`wire [7:0] op1_i,`	`wire [7:0] dptr_hi,`
`op2_i,`
`op3_i,`
`dptr_hi,`
`dptr_lo,`	`dptr_lo,`
`ri,`	`ri,`
`data_out,`	`data_out,`
`op1,`	`op1,`
`op2,`	`op2,`
Line 249...	Line 251...
`p2_out,`	`p2_out,`
`p3_out,`	`p3_out,`
`sp,`	`sp,`
`sp_w;`	`sp_w;`

	`wire [31:0] idat_onchip;`

`wire [15:0] pc;`	`wire [15:0] pc;`

`assign wbd_cyc_o = wbd_stb_o;`	`assign wbd_cyc_o = wbd_stb_o;`

`wire src_sel3;`	`wire src_sel3;`
Line 361...	Line 365...
`.mem_act(mem_act),`	`.mem_act(mem_act),`
`.mem_wait(mem_wait),`	`.mem_wait(mem_wait),`
`.wait_data(wait_data));`	`.wait_data(wait_data));`


	`wire [7:0] sub_result;`
`//`	`//`
`//alu`	`//alu`
`oc8051_alu oc8051_alu1(.rst(wb_rst_i),`	`oc8051_alu oc8051_alu1(.rst(wb_rst_i),`
`.clk(wb_clk_i),`	`.clk(wb_clk_i),`
`.op_code(alu_op),`	`.op_code(alu_op),`
Line 372...	Line 377...
`.src2(src2),`	`.src2(src2),`
`.src3(src3),`	`.src3(src3),`
`.srcCy(alu_cy),`	`.srcCy(alu_cy),`
`.srcAc(srcAc),`	`.srcAc(srcAc),`
`.des_acc(des_acc),`	`.des_acc(des_acc),`
	`.sub_result(sub_result),`
`.des1(des1),`	`.des1(des1),`
`.des2(des2),`	`.des2(des2),`
`.desCy(desCy),`	`.desCy(desCy),`
`.desAc(desAc),`	`.desAc(desAc),`
`.desOv(desOv),`	`.desOv(desOv),`
Line 422...	Line 428...
`oc8051_comp oc8051_comp1(.sel(comp_sel),`	`oc8051_comp oc8051_comp1(.sel(comp_sel),`
`.eq(eq),`	`.eq(eq),`
`.b_in(bit_out),`	`.b_in(bit_out),`
`.cy(cy),`	`.cy(cy),`
`.acc(acc),`	`.acc(acc),`
`.des(des1)`	`.des(sub_result)`
`);`	`);`


`//`	`//`
`//program rom`	`//program rom`
`ifdef OC8051_ROM	`ifdef OC8051_ROM
`oc8051_rom oc8051_rom1(.rst(wb_rst_i),`	`oc8051_rom oc8051_rom1(.rst(wb_rst_i),`
`.clk(wb_clk_i),`	`.clk(wb_clk_i),`
`.ea_int(ea_int),`	`.ea_int(ea_int),`
`.addr(iadr_o),`	`.addr(iadr_o),`
`.data1(op1_i),`	`.data_o(idat_onchip)`
`.data2(op2_i),`	`);`
`.data3(op3_i));`
`else	`else
`assign ea_int = 1'b0;`	`assign ea_int = 1'b0;`
`assign op1_i = 8'h00;`	`assign idat_onchip = 32'h0;`
`assign op2_i = 8'h00;`
`assign op3_i = 8'h00;`
`endif	`endif

`//`	`//`
`//`	`//`
`oc8051_cy_select oc8051_cy_select1(.cy_sel(cy_sel),`	`oc8051_cy_select oc8051_cy_select1(.cy_sel(cy_sel),`
Line 494...	Line 497...
`.iadr_o(iadr_o),`	`.iadr_o(iadr_o),`
`.idat_i(idat_i),`	`.idat_i(idat_i),`
`.istb_o(istb_o),`	`.istb_o(istb_o),`

`// internal instruction rom`	`// internal instruction rom`
`.op1_i(op1_i),`	`.idat_onchip(idat_onchip),`
`.op2_i(op2_i),`
`.op3_i(op3_i),`

`// data memory`	`// data memory`
`.dadr_o(wbd_adr_o),`	`.dadr_o(wbd_adr_o),`
`.ddat_o(wbd_dat_o),`	`.ddat_o(wbd_dat_o),`
`.dwe_o(wbd_we_o),`	`.dwe_o(wbd_we_o),`
Line 653...	Line 654...
`.stb_o(wbi_stb_o),`	`.stb_o(wbi_stb_o),`
`.adr_o(wbi_adr_o),`	`.adr_o(wbi_adr_o),`
`.ack_i(wbi_ack_i),`	`.ack_i(wbi_ack_i),`
`.cyc_o(wbi_cyc_o));`	`.cyc_o(wbi_cyc_o));`

`defparam oc8051_icache1.ADR_WIDTH = 7; // cache address wihth`	`defparam oc8051_icache1.ADR_WIDTH = 6; // cache address wihth`
`defparam oc8051_icache1.LINE_WIDTH = 2; // line address width (2 => 4x32)`	`defparam oc8051_icache1.LINE_WIDTH = 2; // line address width (2 => 4x32)`
`defparam oc8051_icache1.BL_NUM = 31; // number of blocks (2^BL_WIDTH-1); BL_WIDTH = ADR_WIDTH - LINE_WIDTH`	`defparam oc8051_icache1.BL_NUM = 15; // number of blocks (2^BL_WIDTH-1); BL_WIDTH = ADR_WIDTH - LINE_WIDTH`
`defparam oc8051_icache1.CACHE_RAM = 128; // cache ram x 32 (2^ADR_WIDTH)`	`defparam oc8051_icache1.CACHE_RAM = 64; // cache ram x 32 (2^ADR_WIDTH)`

`//`	`//`
`// no cache`	`// no cache`
`//`	`//`
`else	`else

	`ifdef OC8051_WB

`oc8051_wb_iinterface oc8051_wb_iinterface(.rst(wb_rst_i), .clk(wb_clk_i),`	`oc8051_wb_iinterface oc8051_wb_iinterface(.rst(wb_rst_i), .clk(wb_clk_i),`
`// cpu`	`// cpu`
`.adr_i(iadr_o),`	`.adr_i(iadr_o),`
`.dat_o(idat_i),`	`.dat_o(idat_i),`
`.stb_i(istb_o),`	`.stb_i(istb_o),`
Line 677...	Line 680...
`.stb_o(wbi_stb_o),`	`.stb_o(wbi_stb_o),`
`.adr_o(wbi_adr_o),`	`.adr_o(wbi_adr_o),`
`.ack_i(wbi_ack_i),`	`.ack_i(wbi_ack_i),`
`.cyc_o(wbi_cyc_o));`	`.cyc_o(wbi_cyc_o));`

	`else

	`assign wbi_adr_o = iadr_o ;`
	`assign idat_i = wbi_dat_i ;`
	`assign wbi_stb_o = 1'b1 ;`
	`assign iack_i = wbi_ack_i ;`
	`assign wbi_cyc_o = 1'b1 ;`

	`endif

`endif	`endif

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[/] [8051/] [tags/] [rel_12/] [rtl/] [verilog/] [oc8051_top.v] - Diff between revs 144 and 148