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author | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
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committer | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
commit | fd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch) | |
tree | 3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/top/B100/u1plus_core.v | |
parent | 3b66804e41891e358c790b453a7a59ec7462dba4 (diff) | |
download | uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.gz uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.bz2 uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.zip |
Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/top/B100/u1plus_core.v')
-rw-r--r-- | fpga/usrp2/top/B100/u1plus_core.v | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/fpga/usrp2/top/B100/u1plus_core.v b/fpga/usrp2/top/B100/u1plus_core.v deleted file mode 100644 index 7f137f0d1..000000000 --- a/fpga/usrp2/top/B100/u1plus_core.v +++ /dev/null @@ -1,362 +0,0 @@ -// -// Copyright 2011-2013 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - - - -module u1plus_core -#( - parameter NUM_RX_DSPS = 2, - parameter CTRL_ACK_SID = 20, //needed for reply - - parameter DSP_TX_FIFOSIZE = 10, //4K MTU - parameter DSP_RX_FIFOSIZE = 10, //4K MTU - - parameter DSP_RX_XTRA_FIFOSIZE = 11, - parameter DSP_TX_XTRA_FIFOSIZE = 11, - - parameter USE_PACKET_PADDER = 0 -) - (input clk, input reset, - output [31:0] debug, output [1:0] debug_clk, - - // Host Interface - input [35:0] tx_data, input tx_src_rdy, output tx_dst_rdy, - output [35:0] rx_data, output rx_src_rdy, input rx_dst_rdy, - input [35:0] ctrl_data, input ctrl_src_rdy, output ctrl_dst_rdy, - output [35:0] resp_data, output resp_src_rdy, input resp_dst_rdy, - - output dsp_rx_run, output dsp_tx_run, output clock_sync, - - inout db_sda, inout db_scl, - output sclk, output [7:0] sen, output mosi, input miso, - - inout [15:0] io_tx, inout [15:0] io_rx, - output [13:0] tx_i, output [13:0] tx_q, - input [11:0] rx_i, input [11:0] rx_q, - input pps_in - ); - - localparam SR_MISC = 0; // 5 - localparam SR_USER_REGS = 5; // 2 - localparam SR_PADDER = 10; // 2 - - localparam SR_TX_CTRL = 32; // 6 - localparam SR_TX_DSP = 40; // 5 - localparam SR_TX_FE = 48; // 5 - - localparam SR_RX_CTRL0 = 96; // 9 - localparam SR_RX_DSP0 = 106; // 7 - localparam SR_RX_FE = 114; // 5 - - localparam SR_RX_CTRL1 = 128; // 9 - localparam SR_RX_DSP1 = 138; // 7 - - localparam SR_TIME64 = 192; // 6 - localparam SR_SPI = 208; // 3 - localparam SR_I2C = 216; // 1 - localparam SR_GPIO = 224; // 5 - - //compatibility number -> increment when the fpga has been sufficiently altered - localparam compat_num = {16'd11, 16'd4}; //major, minor - - //assign run signals used for ATR logic - wire [NUM_RX_DSPS-1:0] run_rx_n; - wire run_tx; - wire run_rx = |(run_rx_n); - assign dsp_rx_run = run_rx; - assign dsp_tx_run = run_tx; - - //shared time core signals - wire [63:0] vita_time, vita_time_pps; - - //shared settings bus signals - wire set_stb, set_stb_user; - wire [31:0] set_data, set_data_user; - wire [7:0] set_addr, set_addr_user; - - //shared SPI core signals - wire [31:0] spi_readback; - wire spi_ready; - - //shared I2C core signals - wire [31:0] i2c_readback; - wire i2c_ready; - - //shared GPIO core signals - wire [31:0] gpio_readback; - - /////////////////////////////////////////////////////////////////////////// - // Misc Registers - persistent across resets - /////////////////////////////////////////////////////////////////////////// - wire [31:0] config_word0; - setting_reg #(.my_addr(SR_MISC+0), .width(32)) sr_misc_config0 - (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word0)); - - wire [31:0] config_word1; - setting_reg #(.my_addr(SR_MISC+1), .width(32)) sr_misc_config1 - (.clk(clk), .rst(1'b0/*reset*/), .strobe(set_stb), .addr(set_addr), .in(set_data), .out(config_word1)); - - wire clock_sync_inv, clock_sync_enb; - setting_reg #(.my_addr(SR_MISC+2), .width(2)) sr_misc_clock_sync - (.clk(clk), .rst(reset), .strobe(set_stb), .addr(set_addr), .in(set_data), - .out({clock_sync_inv, clock_sync_enb})); - - /////////////////////////////////////////////////////////////////////////// - // Settings Bus and Readback - /////////////////////////////////////////////////////////////////////////// - user_settings #(.BASE(SR_USER_REGS)) user_settings - (.clk(clk),.rst(reset), - .set_stb(set_stb), .set_addr(set_addr),.set_data(set_data), - .set_addr_user(set_addr_user),.set_data_user(set_data_user), .set_stb_user(set_stb_user) ); - - wire [35:0] ctrl_out_data, ctrl_int_data; - wire ctrl_out_src_rdy, ctrl_out_dst_rdy; - wire ctrl_int_src_rdy, ctrl_int_dst_rdy; - - fifo_cascade #(.WIDTH(36), .SIZE(9)) ctrl_fifo - (.clk(clk), .reset(reset), .clear(1'b0), - .datain(ctrl_data), .src_rdy_i(ctrl_src_rdy), .dst_rdy_o(ctrl_dst_rdy), .space(), - .dataout(ctrl_int_data), .src_rdy_o(ctrl_int_src_rdy), .dst_rdy_i(ctrl_int_dst_rdy), .occupied()); - - wire [31:0] num_rx_dsps_rb = NUM_RX_DSPS; - - wire [31:0] sfc_debug; - settings_fifo_ctrl #(.PROT_HDR(0), .ACK_SID(CTRL_ACK_SID), .XPORT_HDR(0)) sfc - ( - .clock(clk), .reset(reset), .clear(1'b0), - .vita_time(vita_time), .perfs_ready(spi_ready & i2c_ready), - .in_data(ctrl_int_data), .in_valid(ctrl_int_src_rdy), .in_ready(ctrl_int_dst_rdy), - .out_data(ctrl_out_data), .out_valid(ctrl_out_src_rdy), .out_ready(ctrl_out_dst_rdy), - .strobe(set_stb), .addr(set_addr), .data(set_data), - .word00(spi_readback),.word01(compat_num),.word02(i2c_readback),.word03(gpio_readback), - .word04(config_word0),.word05(config_word1),.word06(num_rx_dsps_rb),.word07(32'hffff_ffff), - .word08(32'hffff_ffff),.word09(32'hffff_ffff),.word10(vita_time[63:32]), - .word11(vita_time[31:0]),.word12(32'hffff_ffff),.word13(32'hffff_ffff), - .word14(vita_time_pps[63:32]),.word15(vita_time_pps[31:0]), - .debug(sfc_debug) - ); - - /////////////////////////////////////////////////////////////////////////// - // Time Core - /////////////////////////////////////////////////////////////////////////// - time_64bit #(.BASE(SR_TIME64)) time_64bit - (.clk(clk), .rst(reset), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .pps(pps_in), .vita_time(vita_time), .vita_time_pps(vita_time_pps), - .exp_time_in(0)); - - assign clock_sync = (clock_sync_enb)? (pps_in ^ clock_sync_inv) : 1'b0; - - /////////////////////////////////////////////////////////////////////////// - // SPI Core - /////////////////////////////////////////////////////////////////////////// - simple_spi_core #(.BASE(SR_SPI), .WIDTH(8), .CLK_IDLE(0), .SEN_IDLE(8'hff)) - simple_spi_core (.clock(clk), .reset(reset), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .readback(spi_readback), .ready(spi_ready), - .sen(sen), .sclk(sclk), .mosi(mosi), .miso(miso)); - - /////////////////////////////////////////////////////////////////////////// - // I2C Core - /////////////////////////////////////////////////////////////////////////// - wire scl_pad_i, scl_pad_o, scl_pad_oen_o, sda_pad_i, sda_pad_o, sda_pad_oen_o; - simple_i2c_core #(.BASE(SR_I2C)) i2c_core - (.clock(clk),.reset(reset), - .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), - .readback(i2c_readback), .ready(i2c_ready), - .scl_pad_i(scl_pad_i),.scl_pad_o(scl_pad_o),.scl_padoen_o(scl_pad_oen_o), - .sda_pad_i(sda_pad_i),.sda_pad_o(sda_pad_o),.sda_padoen_o(sda_pad_oen_o) ); - - // I2C -- Don't use external transistors for open drain, the FPGA implements this - IOBUF scl_pin(.O(scl_pad_i), .IO(db_scl), .I(scl_pad_o), .T(scl_pad_oen_o)); - IOBUF sda_pin(.O(sda_pad_i), .IO(db_sda), .I(sda_pad_o), .T(sda_pad_oen_o)); - - /////////////////////////////////////////////////////////////////////////// - // GPIO Core - /////////////////////////////////////////////////////////////////////////// - gpio_atr #(.BASE(SR_GPIO), .WIDTH(32)) - gpio_atr(.clk(clk),.reset(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .rx(run_rx), .tx(run_tx), .gpio({io_tx, io_rx}), .gpio_readback(gpio_readback) ); - - // ///////////////////////////////////////////////////////////////////////// - // RX ADC Frontend, does IQ Balance, DC Offset, muxing - - wire [23:0] rx_fe_i, rx_fe_q; // 24 bits is total overkill here, but it matches u2/u2p - - rx_frontend #(.BASE(SR_RX_FE)) rx_frontend - (.clk(clk),.rst(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .adc_a({rx_i,4'b00}),.adc_ovf_a(0), - .adc_b({rx_q,4'b00}),.adc_ovf_b(0), - .i_out(rx_fe_i), .q_out(rx_fe_q), .run(run_rx), .debug()); - - // ///////////////////////////////////////////////////////////////////////// - // DSP RX * - - wire [35:0] rx_int2_data [NUM_RX_DSPS-1:0]; - wire rx_int2_src_rdy [NUM_RX_DSPS-1:0]; - wire rx_int2_dst_rdy [NUM_RX_DSPS-1:0]; - - genvar dspno; - generate - for(dspno = 0; dspno < NUM_RX_DSPS; dspno = dspno + 1) begin:gen_rx_dsps - - wire [31:0] sample_rx; - wire strobe_rx, clear_rx; - wire [35:0] vita_rx_data; - wire vita_rx_src_rdy, vita_rx_dst_rdy; - wire [35:0] int_rx_data; - wire int_rx_src_rdy, int_rx_dst_rdy; - - ddc_chain #(.BASE(SR_RX_DSP0+dspno*32), .DSPNO(dspno)) ddc_chain - (.clk(clk), .rst(reset), .clr(clear_rx), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .rx_fe_i(rx_fe_i),.rx_fe_q(rx_fe_q), - .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), - .debug() ); - - vita_rx_chain #(.BASE(SR_RX_CTRL0+dspno*32), .UNIT(dspno), .FIFOSIZE(DSP_RX_FIFOSIZE), .PROT_ENG_FLAGS(0), .DSP_NUMBER(dspno)) vita_rx_chain - (.clk(clk),.reset(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), .overrun(), - .sample(sample_rx), .run(run_rx_n[dspno]), .strobe(strobe_rx), .clear_o(clear_rx), - .rx_data_o(vita_rx_data), .rx_dst_rdy_i(vita_rx_dst_rdy), .rx_src_rdy_o(vita_rx_src_rdy), - .debug() ); - - fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_FIFOSIZE+1)) rx_data_fifo - (.clk(clk), .reset(reset), .clear(1'b0), - .datain(vita_rx_data), .src_rdy_i(vita_rx_src_rdy), .dst_rdy_o(vita_rx_dst_rdy), .space(), - .dataout(int_rx_data), .src_rdy_o(int_rx_src_rdy), .dst_rdy_i(int_rx_dst_rdy), .occupied()); - - if (dspno == 0) begin - assign rx_int2_data[dspno] = int_rx_data; - assign rx_int2_src_rdy[dspno] = int_rx_src_rdy; - assign int_rx_dst_rdy = rx_int2_dst_rdy[dspno]; - end - else begin - fifo36_mux #(.prio(0)) // No priority, fair sharing - combine_rx_dsps ( - .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), - .data0_i(rx_int2_data[dspno-1]), .src0_rdy_i(rx_int2_src_rdy[dspno-1]), .dst0_rdy_o(rx_int2_dst_rdy[dspno-1]), - .data1_i(int_rx_data), .src1_rdy_i(int_rx_src_rdy), .dst1_rdy_o(int_rx_dst_rdy), - .data_o(rx_int2_data[dspno]), .src_rdy_o(rx_int2_src_rdy[dspno]), .dst_rdy_i(rx_int2_dst_rdy[dspno]) - ); - end - - end - endgenerate - - // ///////////////////////////////////////////////////////////////////////// - // RX Stream muxing - - wire [35:0] rx_int3_data; - wire rx_int3_src_rdy, rx_int3_dst_rdy; - - fifo_cascade #(.WIDTH(36), .SIZE(DSP_RX_XTRA_FIFOSIZE)) rx_data_fifo_combined - (.clk(clk), .reset(reset), .clear(1'b0), - .datain(rx_int2_data[NUM_RX_DSPS-1]), .src_rdy_i(rx_int2_src_rdy[NUM_RX_DSPS-1]), .dst_rdy_o(rx_int2_dst_rdy[NUM_RX_DSPS-1]), .space(), - .dataout(rx_int3_data), .src_rdy_o(rx_int3_src_rdy), .dst_rdy_i(rx_int3_dst_rdy), .occupied()); - - generate - if (USE_PACKET_PADDER) begin - packet_padder36 #(.BASE(SR_PADDER)) packet_padder_rx_data36( - .clk(clk), .reset(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .data_i(rx_int3_data), .src_rdy_i(rx_int3_src_rdy), .dst_rdy_o(rx_int3_dst_rdy), - .data_o(rx_data), .src_rdy_o(rx_src_rdy), .dst_rdy_i(rx_dst_rdy), - .always_flush(~dsp_rx_run)); - end - else begin - assign rx_data = rx_int3_data; - assign rx_src_rdy = rx_int3_src_rdy; - assign rx_int3_dst_rdy = rx_dst_rdy; - end - endgenerate - - /////////////////////////////////////////////////////////////////////////// - // MUX for TX async and resp data - /////////////////////////////////////////////////////////////////////////// - wire [35:0] tx_err_data, resp_data_int; - wire tx_err_src_rdy, resp_src_rdy_int; - wire tx_err_dst_rdy, resp_dst_rdy_int; - - fifo36_mux #(.prio(0)) // No priority, fair sharing - combine_async_and_resp ( - .clk(clk), .reset(reset), .clear(1'b0/*noclear*/), - .data0_i(ctrl_out_data), .src0_rdy_i(ctrl_out_src_rdy), .dst0_rdy_o(ctrl_out_dst_rdy), - .data1_i(tx_err_data), .src1_rdy_i(tx_err_src_rdy), .dst1_rdy_o(tx_err_dst_rdy), - .data_o(resp_data_int), .src_rdy_o(resp_src_rdy_int), .dst_rdy_i(resp_dst_rdy_int) - ); - - fifo_cascade #(.WIDTH(36), .SIZE(9)) resp_fifo - (.clk(clk), .reset(reset), .clear(1'b0), - .datain(resp_data_int), .src_rdy_i(resp_src_rdy_int), .dst_rdy_o(resp_dst_rdy_int), .space(), - .dataout(resp_data), .src_rdy_o(resp_src_rdy), .dst_rdy_i(resp_dst_rdy), .occupied()); - - // /////////////////////////////////////////////////////////////////////////////////// - // DSP TX - - wire [23:0] tx_fe_i, tx_fe_q; - wire [31:0] sample_tx; - wire strobe_tx, clear_tx; - -`ifdef DISABLE_TX_DSP - assign tx_dst_rdy = 1; //null sink - assign run_tx = 0; - assign tx_i = 0; - assign tx_q = 0; -`else - vita_tx_chain #(.BASE(SR_TX_CTRL), - .FIFOSIZE(DSP_TX_FIFOSIZE), - .POST_ENGINE_FIFOSIZE(DSP_TX_XTRA_FIFOSIZE), - .REPORT_ERROR(1), .DO_FLOW_CONTROL(0), - .PROT_ENG_FLAGS(0), .USE_TRANS_HEADER(0), - .DSP_NUMBER(0)) - vita_tx_chain - (.clk(clk), .reset(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .vita_time(vita_time), - .tx_data_i(tx_data), .tx_src_rdy_i(tx_src_rdy), .tx_dst_rdy_o(tx_dst_rdy), - .err_data_o(tx_err_data), .err_src_rdy_o(tx_err_src_rdy), .err_dst_rdy_i(tx_err_dst_rdy), - .sample(sample_tx), .strobe(strobe_tx), - .underrun(), .run(run_tx), .clear_o(clear_tx), - .debug()); - - duc_chain #(.BASE(SR_TX_DSP), .DSPNO(0)) duc_chain - (.clk(clk), .rst(reset), .clr(clear_tx), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .set_stb_user(set_stb_user), .set_addr_user(set_addr_user), .set_data_user(set_data_user), - .tx_fe_i(tx_fe_i),.tx_fe_q(tx_fe_q), - .sample(sample_tx), .run(run_tx), .strobe(strobe_tx), - .debug() ); - - tx_frontend #(.BASE(SR_TX_FE), .WIDTH_OUT(14)) tx_frontend - (.clk(clk), .rst(reset), - .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data), - .tx_i(tx_fe_i), .tx_q(tx_fe_q), .run(1'b1), - .dac_a(tx_i), .dac_b(tx_q)); -`endif - // ///////////////////////////////////////////////////////////////////////////////////// - // Debug circuitry - - assign debug_clk = 2'b11; - assign debug = 32'hffffffff; - -endmodule // u1plus_core |