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-rw-r--r--usrp2/top/u1e/u1e_core.v29
1 files changed, 19 insertions, 10 deletions
diff --git a/usrp2/top/u1e/u1e_core.v b/usrp2/top/u1e/u1e_core.v
index a91c4bebd..7d5924bea 100644
--- a/usrp2/top/u1e/u1e_core.v
+++ b/usrp2/top/u1e/u1e_core.v
@@ -35,14 +35,16 @@ module u1e_core
localparam SR_TX_CTRL = 24; // 6 regs (+0 to +5)
localparam SR_TX_DSP = 32; // 5 regs (+0 to +4)
localparam SR_TIME64 = 40; // 6 regs (+0 to +5)
- localparam SR_CLEAR_FIFO = 48; // 1 reg
+ localparam SR_CLEAR_RX_FIFO = 48; // 1 reg
+ localparam SR_CLEAR_TX_FIFO = 49; // 1 reg
+ localparam SR_GLOBAL_RESET = 50; // 1 reg
localparam SR_REG_TEST32 = 52; // 1 reg
wire [7:0] COMPAT_NUM = 8'd3;
wire wb_clk = clk_fpga;
- wire wb_rst = rst_fpga;
-
+ wire wb_rst, global_reset;
+
wire pps_int;
wire [63:0] vita_time, vita_time_pps;
reg [15:0] reg_leds, reg_cgen_ctrl, reg_test, xfer_rate;
@@ -53,6 +55,12 @@ module u1e_core
wire [31:0] debug_vt;
+ setting_reg #(.my_addr(SR_GLOBAL_RESET), .width(1)) sr_reset
+ (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(),.changed(global_reset));
+
+ reset_sync reset_sync(.clk(wb_clk), .reset_in(rst_fpga | global_reset), .reset_out(wb_rst));
+
// /////////////////////////////////////////////////////////////////////////////////////
// GPMC Slave to Wishbone Master
localparam dw = 16;
@@ -74,15 +82,16 @@ module u1e_core
wire [7:0] rate;
wire bus_error;
-
- wire clear_rx_int, clear_tx_int, clear_tx, clear_rx, do_clear;
+ wire clear_tx, clear_rx;
- setting_reg #(.my_addr(SR_CLEAR_FIFO), .width(2)) sr_clear
+ setting_reg #(.my_addr(SR_CLEAR_RX_FIFO), .width(1)) sr_clear_rx
(.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
- .in(set_data),.out({clear_tx_int,clear_rx_int}),.changed(do_clear));
- assign clear_tx = clear_tx_int & do_clear;
- assign clear_rx = clear_rx_int & do_clear;
-
+ .in(set_data),.out(),.changed(clear_rx));
+
+ setting_reg #(.my_addr(SR_CLEAR_TX_FIFO), .width(1)) sr_clear_tx
+ (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+ .in(set_data),.out(),.changed(clear_tx));
+
gpmc_async #(.TXFIFOSIZE(TXFIFOSIZE), .RXFIFOSIZE(RXFIFOSIZE))
gpmc (.arst(wb_rst),
.EM_CLK(EM_CLK), .EM_D(EM_D), .EM_A(EM_A), .EM_NBE(EM_NBE),