diff options
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/top/u2_core/u2_core.v | 33 | ||||
| -rw-r--r-- | usrp2/udp/udp_wrapper.v | 14 |
2 files changed, 30 insertions, 17 deletions
diff --git a/usrp2/top/u2_core/u2_core.v b/usrp2/top/u2_core/u2_core.v index 44715a04f..cd0199005 100644 --- a/usrp2/top/u2_core/u2_core.v +++ b/usrp2/top/u2_core/u2_core.v @@ -144,6 +144,15 @@ module u2_core localparam SR_SIMTIMER = 198; // 2 localparam SR_TX_DSP = 208; // 16 localparam SR_TX_CTRL = 224; // 16 + + // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048 + // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs + localparam DSP_TX_FIFOSIZE = 10; + localparam DSP_RX_FIFOSIZE = 10; + localparam ETH_TX_FIFOSIZE = 10; + localparam ETH_RX_FIFOSIZE = 11; + localparam SERDES_TX_FIFOSIZE = 9; + localparam SERDES_RX_FIFOSIZE = 9; // RX currently doesn't use a fifo? wire [7:0] set_addr; wire [31:0] set_data; @@ -440,24 +449,28 @@ module u2_core .mdio(MDIO), .mdc(MDC), .debug(debug_mac)); - wire [35:0] buffer_udp; - wire udp_src_rdy, udp_dst_rdy; + wire [35:0] udp_tx_data, udp_rx_data; + wire udp_tx_src_rdy, udp_tx_dst_rdy, udp_rx_src_rdy, udp_rx_dst_rdy; udp_wrapper #(.BASE(SR_UDP_SM)) udp_wrapper (.clk(dsp_clk), .reset(dsp_rst), .clear(0), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), .rx_f19_data(rx_f19_data), .rx_f19_src_rdy_i(rx_f19_src_rdy), .rx_f19_dst_rdy_o(rx_f19_dst_rdy), .tx_f19_data(tx_f19_data), .tx_f19_src_rdy_o(tx_f19_src_rdy), .tx_f19_dst_rdy_i(tx_f19_dst_rdy), - .rx_f36_data({wr2_flags,wr2_dat}), .rx_f36_src_rdy_o(wr2_ready_i), .rx_f36_dst_rdy_i(wr2_ready_o), -// .tx_f36_data({rd2_flags,rd2_dat}), .tx_f36_src_rdy_i(rd2_ready_o), .tx_f36_dst_rdy_o(rd2_ready_i), - .tx_f36_data(buffer_udp), .tx_f36_src_rdy_i(udp_src_rdy), .tx_f36_dst_rdy_o(udp_dst_rdy), + .rx_f36_data(udp_rx_data), .rx_f36_src_rdy_o(udp_rx_src_rdy), .rx_f36_dst_rdy_i(udp_rx_dst_rdy), + .tx_f36_data(udp_tx_data), .tx_f36_src_rdy_i(udp_tx_src_rdy), .tx_f36_dst_rdy_o(udp_tx_dst_rdy), .debug(debug_udp) ); - fifo_cascade #(.WIDTH(36), .SIZE(10)) txudp_fifo_cascade + fifo_cascade #(.WIDTH(36), .SIZE(ETH_TX_FIFOSIZE)) tx_eth_fifo (.clk(dsp_clk), .reset(dsp_rst), .clear(0), .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), - .dataout(buffer_udp), .src_rdy_o(udp_src_rdy), .dst_rdy_i(udp_dst_rdy)); + .dataout(udp_tx_data), .src_rdy_o(udp_tx_src_rdy), .dst_rdy_i(udp_tx_dst_rdy)); + fifo_cascade #(.WIDTH(36), .SIZE(ETH_RX_FIFOSIZE)) rx_eth_fifo + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .datain(udp_rx_data), .src_rdy_i(udp_rx_src_rdy), .dst_rdy_o(udp_rx_dst_rdy), + .dataout({wr2_flags,wr2_dat}), .src_rdy_o(wr2_ready_i), .dst_rdy_i(wr2_ready_o)); + // ///////////////////////////////////////////////////////////////////////// // Settings Bus -- Slave #7 settings_bus settings_bus @@ -612,7 +625,7 @@ module u2_core .fifo_occupied(), .fifo_full(), .fifo_empty(), .debug_rx(vita_state) ); - fifo_cascade #(.WIDTH(36), .SIZE(10)) rx_fifo_cascade + fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade (.clk(dsp_clk), .reset(dsp_rst), .clear(0), .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy), .dataout({wr1_flags,wr1_dat}), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o)); @@ -626,7 +639,7 @@ module u2_core wire [31:0] debug_vtc, debug_vtd, debug_vt; - fifo_cascade #(.WIDTH(36), .SIZE(10)) tx_fifo_cascade + fifo_cascade #(.WIDTH(36), .SIZE(DSP_TX_FIFOSIZE)) tx_fifo_cascade (.clk(dsp_clk), .reset(dsp_rst), .clear(0), .datain({rd1_flags,rd1_dat}), .src_rdy_i(rd1_ready_o), .dst_rdy_o(rd1_ready_i), .dataout(tx_data), .src_rdy_o(tx_src_rdy), .dst_rdy_i(tx_dst_rdy) ); @@ -660,7 +673,7 @@ module u2_core // /////////////////////////////////////////////////////////////////////////////////// // SERDES - serdes #(.TXFIFOSIZE(9),.RXFIFOSIZE(9)) serdes + serdes #(.TXFIFOSIZE(SERDES_TX_FIFOSIZE),.RXFIFOSIZE(SERDES_RX_FIFOSIZE)) serdes (.clk(dsp_clk),.rst(dsp_rst), .ser_tx_clk(ser_tx_clk),.ser_t(ser_t),.ser_tklsb(ser_tklsb),.ser_tkmsb(ser_tkmsb), .rd_dat_i(rd0_dat),.rd_flags_i(rd0_flags),.rd_ready_o(rd0_ready_i),.rd_ready_i(rd0_ready_o), diff --git a/usrp2/udp/udp_wrapper.v b/usrp2/udp/udp_wrapper.v index 390abd0d5..f4c642615 100644 --- a/usrp2/udp/udp_wrapper.v +++ b/usrp2/udp/udp_wrapper.v @@ -1,7 +1,6 @@ module udp_wrapper - #(parameter BASE=0, - parameter RXFIFOSIZE=11) + #(parameter BASE=0) (input clk, input reset, input clear, input set_stb, input [7:0] set_addr, input [31:0] set_data, input [18:0] rx_f19_data, input rx_f19_src_rdy_i, output rx_f19_dst_rdy_o, @@ -44,8 +43,8 @@ module udp_wrapper wire rx_int2_src_rdy, rx_int2_dst_rdy; wire [18:0] rx_int2_data; - wire rx_int3_src_rdy, rx_int3_dst_rdy; - wire [35:0] rx_int3_data; + //wire rx_int3_src_rdy, rx_int3_dst_rdy; + //wire [35:0] rx_int3_data; `ifdef USE_PROT_ENG prot_eng_rx #(.BASE(BASE+32)) prot_eng_rx @@ -68,15 +67,16 @@ module udp_wrapper fifo19_to_fifo36 fifo19_to_fifo36 (.clk(clk), .reset(reset), .clear(clear), .f19_datain(rx_int2_data), .f19_src_rdy_i(rx_int2_src_rdy), .f19_dst_rdy_o(rx_int2_dst_rdy), - .f36_dataout(rx_int3_data), .f36_src_rdy_o(rx_int3_src_rdy), .f36_dst_rdy_i(rx_int3_dst_rdy), + .f36_dataout(rx_f36_data), .f36_src_rdy_o(rx_f36_src_rdy_o), .f36_dst_rdy_i(rx_f36_dst_rdy_i), .debug(debug_state)); - + + /* fifo_cascade #(.WIDTH(36),.SIZE(RXFIFOSIZE)) eth0_rxfifo (.clk(clk), .reset(reset), .clear(clear), .datain(rx_int3_data), .src_rdy_i(rx_int3_src_rdy), .dst_rdy_o(rx_int3_dst_rdy), .dataout(rx_f36_data), .src_rdy_o(rx_f36_src_rdy_o), .dst_rdy_i(rx_f36_dst_rdy_i), .space(), .occupied() ); - +*/ /* assign debug = { { 1'b0, rx_f19_data[18:16], rx_f19_src_rdy_i, rx_f19_dst_rdy_o, rx_f36_src_rdy_o, rx_f36_dst_rdy_i }, { 2'b0, rx_int1_src_rdy, rx_int1_dst_rdy, rx_int2_src_rdy, rx_int2_dst_rdy, rx_int3_src_rdy, rx_int3_dst_rdy}, |