aboutsummaryrefslogtreecommitdiffstats
path: root/usrp2
diff options
context:
space:
mode:
Diffstat (limited to 'usrp2')
-rw-r--r--usrp2/top/u2_rev3/u2_core.v2
-rw-r--r--usrp2/top/u2plus/u2plus_core.v26
2 files changed, 8 insertions, 20 deletions
diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v
index eb07ed42f..84b5e21f9 100644
--- a/usrp2/top/u2_rev3/u2_core.v
+++ b/usrp2/top/u2_rev3/u2_core.v
@@ -152,7 +152,7 @@ module u2_core
// 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 = 9; unused -- DSPTX uses extram fifo
- localparam DSP_RX_FIFOSIZE = 9;
+ localparam DSP_RX_FIFOSIZE = 10;
localparam ETH_TX_FIFOSIZE = 9;
localparam ETH_RX_FIFOSIZE = 11;
localparam SERDES_TX_FIFOSIZE = 9;
diff --git a/usrp2/top/u2plus/u2plus_core.v b/usrp2/top/u2plus/u2plus_core.v
index 2f9869930..312955945 100644
--- a/usrp2/top/u2plus/u2plus_core.v
+++ b/usrp2/top/u2plus/u2plus_core.v
@@ -147,7 +147,7 @@ module u2plus_core
// 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 = 9; unused -- DSPTX uses extram fifo
- localparam DSP_RX_FIFOSIZE = 9;
+ localparam DSP_RX_FIFOSIZE = 10;
localparam ETH_TX_FIFOSIZE = 9;
localparam ETH_RX_FIFOSIZE = 11;
localparam SERDES_TX_FIFOSIZE = 9;
@@ -574,8 +574,7 @@ module u2plus_core
// /////////////////////////////////////////////////////////////////////////
// DSP RX 0
wire [31:0] sample_rx0;
- wire [35:0] rx0_data;
- wire clear_rx0, strobe_rx0, rx0_dst_rdy, rx0_src_rdy;
+ wire clear_rx0, strobe_rx0;
always @(posedge dsp_clk)
run_rx0_d1 <= run_rx0;
@@ -592,24 +591,18 @@ module u2plus_core
.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
.out(),.changed(clear_rx0));
- vita_rx_chain #(.BASE(SR_RX_CTRL0)) vita_rx_chain0
+ vita_rx_chain #(.BASE(SR_RX_CTRL0),.UNIT(0),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain0
(.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0),
.set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
.vita_time(vita_time), .overrun(overrun0),
.sample(sample_rx0), .run(run_rx0), .strobe(strobe_rx0),
- .rx_data_o(rx0_data), .rx_src_rdy_o(rx0_src_rdy), .rx_dst_rdy_i(rx0_dst_rdy),
+ .rx_data_o(wr1_dat), .rx_src_rdy_o(wr1_ready_i), .rx_dst_rdy_i(wr1_ready_o),
.debug() );
- fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade0
- (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx0),
- .datain(rx0_data), .src_rdy_i(rx0_src_rdy), .dst_rdy_o(rx0_dst_rdy),
- .dataout(wr1_dat), .src_rdy_o(wr1_ready_i), .dst_rdy_i(wr1_ready_o));
-
// /////////////////////////////////////////////////////////////////////////
// DSP RX 1
wire [31:0] sample_rx1;
- wire [35:0] rx1_data;
- wire clear_rx1, strobe_rx1, rx1_dst_rdy, rx1_src_rdy;
+ wire clear_rx1, strobe_rx1;
always @(posedge dsp_clk)
run_rx1_d1 <= run_rx1;
@@ -626,19 +619,14 @@ module u2plus_core
.strobe(set_stb_dsp),.addr(set_addr_dsp),.in(set_data_dsp),
.out(),.changed(clear_rx1));
- vita_rx_chain #(.BASE(SR_RX_CTRL1)) vita_rx_chain1
+ vita_rx_chain #(.BASE(SR_RX_CTRL1),.UNIT(1),.FIFOSIZE(DSP_RX_FIFOSIZE)) vita_rx_chain1
(.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1),
.set_stb(set_stb_dsp),.set_addr(set_addr_dsp),.set_data(set_data_dsp),
.vita_time(vita_time), .overrun(overrun1),
.sample(sample_rx1), .run(run_rx1), .strobe(strobe_rx1),
- .rx_data_o(rx1_data), .rx_src_rdy_o(rx1_src_rdy), .rx_dst_rdy_i(rx1_dst_rdy),
+ .rx_data_o(wr3_dat), .rx_src_rdy_o(wr3_ready_i), .rx_dst_rdy_i(wr3_ready_o),
.debug() );
- fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE)) rx_fifo_cascade1
- (.clk(dsp_clk), .reset(dsp_rst), .clear(clear_rx1),
- .datain(rx1_data), .src_rdy_i(rx1_src_rdy), .dst_rdy_o(rx1_dst_rdy),
- .dataout(wr3_dat), .src_rdy_o(wr3_ready_i), .dst_rdy_i(wr3_ready_o));
-
// ///////////////////////////////////////////////////////////////////////////////////
// DSP TX