diff options
Diffstat (limited to 'usrp2/top')
| -rw-r--r-- | usrp2/top/u1e/u1e_core.v | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/usrp2/top/u1e/u1e_core.v b/usrp2/top/u1e/u1e_core.v index 4a80fe916..5c4b6de6c 100644 --- a/usrp2/top/u1e/u1e_core.v +++ b/usrp2/top/u1e/u1e_core.v @@ -34,7 +34,9 @@ module u1e_core localparam SR_TX_DSP = 17; // 5 regs localparam SR_TX_CTRL = 24; // 2 regs localparam SR_TIME64 = 28; // 4 regs - + + wire COMPAT_NUM = 8'd2; + wire wb_clk = clk_fpga; wire wb_rst = rst_fpga; @@ -104,6 +106,8 @@ module u1e_core wire rx_src_rdy_int, rx_dst_rdy_int, tx_src_rdy_int, tx_dst_rdy_int; `ifdef LOOPBACK + wire [7:0] WHOAMI = 1; + fifo_cascade #(.WIDTH(36), .SIZE(12)) loopback_fifo (.clk(wb_clk), .reset(wb_rst), .clear(clear_tx | clear_rx), .datain(tx_data), .src_rdy_i(tx_src_rdy), .dst_rdy_o(tx_dst_rdy), @@ -116,7 +120,8 @@ module u1e_core `endif // LOOPBACK `ifdef TIMED - + wire [7:0] WHOAMI = 2; + // TX side wire tx_enable; @@ -147,6 +152,8 @@ module u1e_core `endif // `ifdef TIMED `ifdef DSP + wire [7:0] WHOAMI = 0; + wire [31:0] debug_rx_dsp, vrc_debug, vrf_debug; // ///////////////////////////////////////////////////////////////////////// @@ -303,9 +310,10 @@ module u1e_core localparam REG_CGEN_CTRL = 7'd4; // out localparam REG_CGEN_ST = 7'd6; // in localparam REG_TEST = 7'd8; // out - localparam REG_RX_FRAMELEN = 7'd10; // out - localparam REG_TX_FRAMELEN = 7'd12; // in - localparam REG_XFER_RATE = 7'd14; // in + localparam REG_RX_FRAMELEN = 7'd10; // in + localparam REG_TX_FRAMELEN = 7'd12; // out + localparam REG_XFER_RATE = 7'd14; // out + localparam REG_COMPAT = 7'd16; // in always @(posedge wb_clk) if(wb_rst) @@ -344,6 +352,7 @@ module u1e_core (s0_adr[6:0] == REG_CGEN_ST) ? {13'b0,cgen_st_status,cgen_st_ld,cgen_st_refmon} : (s0_adr[6:0] == REG_TEST) ? reg_test : (s0_adr[6:0] == REG_RX_FRAMELEN) ? rx_frame_len : + (s0_adr[6:0] == REG_COMPAT) ? { WHOAMI, COMPAT_NUM } : 16'hBEEF; assign s0_ack = s0_stb & s0_cyc; |