diff options
Diffstat (limited to 'usrp2/top')
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core.v | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v index 363ac3635..fff7ab914 100644 --- a/usrp2/top/u2_rev3/u2_core.v +++ b/usrp2/top/u2_rev3/u2_core.v @@ -3,7 +3,7 @@ // //////////////////////////////////////////////////////////////////////////////// module u2_core - #(parameter RAM_SIZE=32768) + #(parameter RAM_SIZE=16384, parameter RAM_AW=14) (// Clocks input dsp_clk, input wb_clk, @@ -292,7 +292,7 @@ module u2_core wire [3:0] ram_loader_sel; wire ram_loader_stb, ram_loader_we; wire iwb_ack, iwb_stb; - ram_loader #(.AWIDTH(16),.RAM_SIZE(RAM_SIZE)) + ram_loader #(.AWIDTH(aw),.RAM_SIZE(RAM_SIZE)) ram_loader (.wb_clk(wb_clk),.dsp_clk(dsp_clk),.ram_loader_rst(ram_loader_rst), .wb_dat(ram_loader_dat),.wb_adr(ram_loader_adr), .wb_stb(ram_loader_stb),.wb_sel(ram_loader_sel), @@ -308,28 +308,37 @@ module u2_core // ///////////////////////////////////////////////////////////////////////// // Processor - aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) - aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), - // Instruction Wishbone bus to I-RAM - .if_adr(if_adr), - .if_dat(if_dat), +// aeMB_core_BE #(.ISIZ(16),.DSIZ(16),.MUL(0),.BSF(1)) +// aeMB (.sys_clk_i(wb_clk), .sys_rst_i(wb_rst), +// // Instruction Wishbone bus to I-RAM +// .if_adr(if_adr), +// .if_dat(if_dat), +// // Data Wishbone bus to system bus fabric +// .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr), +// .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc), +// // Interrupts and exceptions +// .sys_int_i(proc_int),.sys_exc_i(bus_error) ); + + //assign bus_error = m0_err | m0_rty; + + wire [63:0] zpu_status; + zpu_wb_top #(.dat_w(dw), .adr_w(aw), .sel_w(sw)) + zpu_top0 (.clk(wb_clk), .rst(wb_rst), .enb(1'b1), // Data Wishbone bus to system bus fabric - .dwb_we_o(m0_we),.dwb_stb_o(m0_stb),.dwb_dat_o(m0_dat_i),.dwb_adr_o(m0_adr), - .dwb_dat_i(m0_dat_o),.dwb_ack_i(m0_ack),.dwb_sel_o(m0_sel),.dwb_cyc_o(m0_cyc), + .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr), + .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc), // Interrupts and exceptions - .sys_int_i(proc_int),.sys_exc_i(bus_error) ); - - assign bus_error = m0_err | m0_rty; + .zpu_status(zpu_status), .interrupt(proc_int)); // ///////////////////////////////////////////////////////////////////////// // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone // I-port connects directly to processor and ram loader wire flush_icache; - ram_harvard #(.AWIDTH(15),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) + ram_harvard #(.AWIDTH(RAM_AW),.RAM_SIZE(RAM_SIZE),.ICWIDTH(7),.DCWIDTH(6)) sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst), - .ram_loader_adr_i(ram_loader_adr[14:0]), .ram_loader_dat_i(ram_loader_dat), + .ram_loader_adr_i(ram_loader_adr[RAM_AW-1:0]), .ram_loader_dat_i(ram_loader_dat), .ram_loader_stb_i(ram_loader_stb), .ram_loader_sel_i(ram_loader_sel), .ram_loader_we_i(ram_loader_we), .ram_loader_done_i(ram_loader_done), @@ -337,7 +346,7 @@ module u2_core .if_adr(if_adr), .if_data(if_dat), - .dwb_adr_i(s0_adr[14:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i), + .dwb_adr_i(s0_adr[RAM_AW-1:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i), .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel), .flush_icache(flush_icache)); @@ -431,6 +440,7 @@ module u2_core wb_readback_mux buff_pool_status (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb), .wb_adr_i(s5_adr), .wb_dat_o(s5_dat_i), .wb_ack_o(s5_ack), + .word00(32'b0),.word01(32'b0),.word02(32'b0),.word03(32'b0), .word04(32'b0),.word05(32'b0),.word06(32'b0),.word07(32'b0), .word08(status),.word09({sim_mode,27'b0,clock_divider[3:0]}),.word10(vita_time[63:32]), @@ -721,7 +731,7 @@ module u2_core // VITA Timing wire [31:0] debug_sync; - + time_64bit #(.TICKS_PER_SEC(32'd100000000),.BASE(SR_TIME64)) time_64bit (.clk(dsp_clk), .rst(dsp_rst), .set_stb(set_stb_dsp), .set_addr(set_addr_dsp), .set_data(set_data_dsp), .pps(pps_in), .vita_time(vita_time), .pps_int(pps_int), |