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| author | Matt Ettus <matt@ettus.com> | 2010-10-12 13:16:35 -0700 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2010-10-12 13:16:35 -0700 |
| commit | b77f9abf8597765b53c28b9ac99faaa3d535803b (patch) | |
| tree | c61b27bca2b22ab5727afc495779524a32a799b5 | |
| parent | 0edf80fc80303c475b0dfd29d3ce5967fe646bfc (diff) | |
| download | uhd-b77f9abf8597765b53c28b9ac99faaa3d535803b.tar.gz uhd-b77f9abf8597765b53c28b9ac99faaa3d535803b.tar.bz2 uhd-b77f9abf8597765b53c28b9ac99faaa3d535803b.zip | |
proper triggering for interrupts generated on the dsp_clk
| -rw-r--r-- | usrp2/top/u2_rev3/u2_core_udp.v | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/usrp2/top/u2_rev3/u2_core_udp.v b/usrp2/top/u2_rev3/u2_core_udp.v index d2bc01d6d..b47e7e311 100644 --- a/usrp2/top/u2_rev3/u2_core_udp.v +++ b/usrp2/top/u2_rev3/u2_core_udp.v @@ -541,10 +541,17 @@ module u2_core // ///////////////////////////////////////////////////////////////////////// // Interrupt Controller, Slave #8 + // Pass interrupts on dsp_clk to wb_clk. These need edge triggering in the pic + wire underrun_wb, overrun_wb, pps_wb; + + oneshot_2clk underrun_1s (.clk_in(dsp_clk), .in(underrun), .clk_out(wb_clk), .out(underrun_wb)); + oneshot_2clk overrun_1s (.clk_in(dsp_clk), .in(overrun), .clk_out(wb_clk), .out(overrun_wb)); + oneshot_2clk pps_1s (.clk_in(dsp_clk), .in(pps_int), .clk_out(wb_clk), .out(pps_wb)); + assign irq= {{8'b0}, {8'b0}, {3'b0, periodic_int, clk_status, serdes_link_up, uart_tx_int, uart_rx_int}, - {pps_int,overrun,underrun,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}}; + {pps_wb,overrun_wb,underrun_wb,PHY_INTn,i2c_int,spi_int,onetime_int,buffer_int}}; pic pic(.clk_i(wb_clk),.rst_i(wb_rst),.cyc_i(s8_cyc),.stb_i(s8_stb),.adr_i(s8_adr[4:2]), .we_i(s8_we),.dat_i(s8_dat_o),.dat_o(s8_dat_i),.ack_o(s8_ack),.int_o(proc_int), |