diff options
Diffstat (limited to 'fpga/usrp2/top/E1x0')
-rw-r--r-- | fpga/usrp2/top/E1x0/u1e.ucf | 6 | ||||
-rw-r--r-- | fpga/usrp2/top/E1x0/u1e.v | 5 | ||||
-rw-r--r-- | fpga/usrp2/top/E1x0/u1e_core.v | 25 |
3 files changed, 13 insertions, 23 deletions
diff --git a/fpga/usrp2/top/E1x0/u1e.ucf b/fpga/usrp2/top/E1x0/u1e.ucf index 0c487a601..278fc289a 100644 --- a/fpga/usrp2/top/E1x0/u1e.ucf +++ b/fpga/usrp2/top/E1x0/u1e.ucf @@ -67,8 +67,10 @@ NET "overo_gpio170" LOC = "E8" ; # MISC GPIO for debug NET "overo_gpio176" LOC = "B4" ; # MISC GPIO for debug ## Overo UART -#NET "overo_txd1" LOC = "C6" ; -#NET "overo_rxd1" LOC = "D6" ; +NET "overo_txd1" LOC = "C6" ; +NET "overo_rxd1" LOC = "D6" ; +NET "fpga_txd1" LOC = "AB9" ; +NET "fpga_rxd1" LOC = "AB8" ; ## FTDI UART to USB converter NET "FPGA_TXD" LOC = "G19" ; diff --git a/fpga/usrp2/top/E1x0/u1e.v b/fpga/usrp2/top/E1x0/u1e.v index ff2e08394..903ef7a6f 100644 --- a/fpga/usrp2/top/E1x0/u1e.v +++ b/fpga/usrp2/top/E1x0/u1e.v @@ -22,6 +22,7 @@ module u1e (input CLK_FPGA_P, input CLK_FPGA_N, // Diff output [3:0] debug_led, output [31:0] debug, output [1:0] debug_clk, input debug_pb, output FPGA_TXD, input FPGA_RXD, + output fpga_txd1, input fpga_rxd1, input overo_txd1, output overo_rxd1, // GPMC input EM_CLK, inout [15:0] EM_D, input [10:1] EM_A, input [1:0] EM_NBE, @@ -59,6 +60,10 @@ module u1e clk_fpga_pin (.O(clk_fpga),.I(CLK_FPGA_P),.IB(CLK_FPGA_N)); // ///////////////////////////////////////////////////////////////////////// + // UART level conversion + assign fpga_txd1 = overo_txd1; + assign overo_rxd1 = fpga_rxd1; + // SPI wire mosi, sclk, miso; assign { db_sclk_tx, db_mosi_tx } = ~db_sen_tx ? {sclk,mosi} : 2'b0; diff --git a/fpga/usrp2/top/E1x0/u1e_core.v b/fpga/usrp2/top/E1x0/u1e_core.v index 20dd98a36..e1bb50890 100644 --- a/fpga/usrp2/top/E1x0/u1e_core.v +++ b/fpga/usrp2/top/E1x0/u1e_core.v @@ -489,26 +489,9 @@ module u1e_core // ///////////////////////////////////////////////////////////////////////////////////// // Debug circuitry - assign debug_clk = { EM_CLK, clk_fpga }; - -/* - assign debug = { { rx_have_data, tx_have_space, EM_NCS6, EM_NCS5, EM_NCS4, EM_NWE, EM_NOE, rx_overrun }, - { tx_src_rdy, tx_src_rdy_int, tx_dst_rdy, tx_dst_rdy_int, rx_src_rdy, rx_src_rdy_int, rx_dst_rdy, rx_dst_rdy_int }, - { EM_D } }; - -*/ - assign debug = debug_gpmc; - - assign debug_gpio_0 = { {run_tx, 2'b0, strobe_rx0, tx_i[11:0]}, - {2'b00, tx_src_rdy, tx_dst_rdy, tx_q[11:0]} }; - - assign debug_gpio_1 = debug_vt; + assign debug_clk = 2'b00; //{ EM_CLK, clk_fpga }; + assign debug = 0; + assign debug_gpio_0 = 0; + assign debug_gpio_1 = 0; -/* - assign debug_gpio_1 = { {rx_enable, rx_src_rdy, rx_dst_rdy, rx_src_rdy & ~rx_dst_rdy}, - {tx_enable, tx_src_rdy, tx_dst_rdy, tx_dst_rdy & ~tx_src_rdy}, - {2'b0, rx_src_rdy, rx_dst_rdy, rx_data[33:32],2'b0}, - {2'b0, bus_error, debug_gpmc[4:0] }, - {misc_gpio[7:0]} }; - */ endmodule // u1e_core |