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| author | Matt Ettus <matt@ettus.com> | 2010-11-07 11:51:28 -0800 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2010-11-11 18:57:37 -0800 |
| commit | 587dfe7db4b4749ffedb5e7e3a0a36a83dd90c6a (patch) | |
| tree | 375eb4899875ccd9b655a7eadbd55b842298f21c /usrp2/top/u2_rev3 | |
| parent | 823f04cf0046fb61109bd10b8fd41942a7359a06 (diff) | |
| download | uhd-587dfe7db4b4749ffedb5e7e3a0a36a83dd90c6a.tar.gz uhd-587dfe7db4b4749ffedb5e7e3a0a36a83dd90c6a.tar.bz2 uhd-587dfe7db4b4749ffedb5e7e3a0a36a83dd90c6a.zip | |
clear out the vita tx chain and the tx fifo. need to check the fifo
reset to make sure it is in the correct clock domain.
Diffstat (limited to 'usrp2/top/u2_rev3')
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core_udp.v | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/usrp2/top/u2_rev3/u2_core_udp.v b/usrp2/top/u2_rev3/u2_core_udp.v index ec973df8d..3c31d33a9 100644 --- a/usrp2/top/u2_rev3/u2_core_udp.v +++ b/usrp2/top/u2_rev3/u2_core_udp.v @@ -162,6 +162,7 @@ module u2_core wire ram_loader_done; wire ram_loader_rst, wb_rst, dsp_rst; + assign dsp_rst = wb_rst; wire [31:0] status, status_b0, status_b1, status_b2, status_b3, status_b4, status_b5, status_b6, status_b7; wire bus_error, spi_int, i2c_int, pps_int, onetime_int, periodic_int, buffer_int; @@ -660,14 +661,17 @@ module u2_core wire [35:0] tx_data; wire tx_src_rdy, tx_dst_rdy; wire [31:0] debug_vt; + wire clear_tx; + setting_reg #(.my_addr(SR_TX_CTRL+1)) sr_clear_tx + (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), + .in(set_data),.out(),.changed(clear_tx)); + ext_fifo #(.EXT_WIDTH(18),.INT_WIDTH(36),.RAM_DEPTH(19),.FIFO_DEPTH(19)) ext_fifo_i1 - ( - .int_clk(dsp_clk), + (.int_clk(dsp_clk), .ext_clk(clk_to_mac), -// .ext_clk(wb_clk), - .rst(dsp_rst), + .rst(dsp_rst | clear_tx), .RAM_D_pi(RAM_D_pi), .RAM_D_po(RAM_D_po), .RAM_D_poe(RAM_D_poe), @@ -679,15 +683,14 @@ module u2_core .RAM_CE1n(RAM_CE1n), // .datain({rd1_flags,rd1_dat}), .datain({rd1_flags[3:2],rd1_dat[31:16],rd1_flags[1:0],rd1_dat[15:0]}), - .src_rdy_i(rd1_ready_o), // WRITE - .dst_rdy_o(rd1_ready_i), // not FULL + .src_rdy_i(rd1_ready_o), + .dst_rdy_o(rd1_ready_i), // .dataout(tx_data), .dataout({tx_data[35:34],tx_data[31:16],tx_data[33:32],tx_data[15:0]}), - .src_rdy_o(tx_src_rdy), // not EMPTY + .src_rdy_o(tx_src_rdy), .dst_rdy_i(tx_dst_rdy), .debug(debug_extfifo), - .debug2(debug_extfifo2) - ); + .debug2(debug_extfifo2) ); vita_tx_chain #(.BASE_CTRL(SR_TX_CTRL), .BASE_DSP(SR_TX_DSP), .REPORT_ERROR(1), .DO_FLOW_CONTROL(1), @@ -702,8 +705,6 @@ module u2_core .underrun(underrun), .run(run_tx), .debug(debug_vt)); - assign dsp_rst = wb_rst; - // /////////////////////////////////////////////////////////////////////////////////// // SERDES |