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authorMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
committerMartin Braun <martin.braun@ettus.com>2014-10-07 11:25:20 +0200
commitfd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch)
tree3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/top/USRP2/u2_rev3.v
parent3b66804e41891e358c790b453a7a59ec7462dba4 (diff)
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Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/top/USRP2/u2_rev3.v')
-rw-r--r--fpga/usrp2/top/USRP2/u2_rev3.v589
1 files changed, 0 insertions, 589 deletions
diff --git a/fpga/usrp2/top/USRP2/u2_rev3.v b/fpga/usrp2/top/USRP2/u2_rev3.v
deleted file mode 100644
index 4b0bb5541..000000000
--- a/fpga/usrp2/top/USRP2/u2_rev3.v
+++ /dev/null
@@ -1,589 +0,0 @@
-//
-// Copyright 2011 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/>.
-//
-
-`timescale 1ns / 1ps
-//////////////////////////////////////////////////////////////////////////////////
-
-module u2_rev3
- (
- // Misc, debug
- output [5:0] leds,
- output [31:0] debug,
- output [1:0] debug_clk,
- output uart_tx_o,
- input uart_rx_i,
-
- // Expansion
- input exp_time_in_p, // Diff
- input exp_time_in_n, // Diff
- output exp_time_out_p, // Diff
- output exp_time_out_n, // Diff
-
- // GMII
- // GMII-CTRL
- input GMII_COL,
- input GMII_CRS,
-
- // GMII-TX
- output reg [7:0] GMII_TXD,
- output reg GMII_TX_EN,
- output reg GMII_TX_ER,
- output GMII_GTX_CLK,
- input GMII_TX_CLK, // 100mbps clk
-
- // GMII-RX
- input [7:0] GMII_RXD,
- input GMII_RX_CLK,
- input GMII_RX_DV,
- input GMII_RX_ER,
-
- // GMII-Management
- inout MDIO,
- output MDC,
- input PHY_INTn, // open drain
- output PHY_RESETn,
- input PHY_CLK, // possibly use on-board osc
-
- // RAM
- inout [17:0] RAM_D,
- output [18:0] RAM_A,
- output RAM_CE1n,
- output RAM_CENn,
- output RAM_CLK,
- output RAM_WEn,
- output RAM_OEn,
- output RAM_LDn,
-
- // SERDES
- output ser_enable,
- output ser_prbsen,
- output ser_loopen,
- output ser_rx_en,
-
- output ser_tx_clk,
- output reg [15:0] ser_t,
- output reg ser_tklsb,
- output reg ser_tkmsb,
-
- input ser_rx_clk,
- input [15:0] ser_r,
- input ser_rklsb,
- input ser_rkmsb,
-
- // CPLD interface
- output cpld_start, // AA9
- output cpld_mode, // U12
- output cpld_done, // V12
- input cpld_din, // AA14 Now shared with CFG_Din
- input cpld_clk, // AB14 serial clock
- input cpld_detached,// V11 unused
- output cpld_init_b, // W12 unused dual purpose
- output cpld_misc, // Y12
-
- // Watchdog interface
- input POR,
- output WDI,
-
- // ADC
- input [13:0] adc_a,
- input adc_ovf_a,
- output adc_oen_a,
- output adc_pdn_a,
-
- input [13:0] adc_b,
- input adc_ovf_b,
- output adc_oen_b,
- output adc_pdn_b,
-
- // DAC
- output reg [15:0] dac_a,
- output reg [15:0] dac_b,
- input dac_lock, // unused for now
-
- // I2C
- inout SCL,
- inout SDA,
-
- // Clock Gen Control
- output [1:0] clk_en,
- output [1:0] clk_sel,
- input clk_func, // FIXME is an input to control the 9510
- input clk_status,
-
- // Clocks
- input clk_fpga_p, // Diff
- input clk_fpga_n, // Diff
- input clk_to_mac,
- input pps_in,
-
- // Generic SPI
- output sclk,
- output sen_clk,
- output sen_dac,
- output sdi,
- input sdo,
-
- // TX DBoard
- output sen_tx_db,
- output sclk_tx_db,
- input sdo_tx_db,
- output sdi_tx_db,
-
- output sen_tx_adc,
- output sclk_tx_adc,
- input sdo_tx_adc,
- output sdi_tx_adc,
-
- output sen_tx_dac,
- output sclk_tx_dac,
- output sdi_tx_dac,
-
- inout [15:0] io_tx,
-
- // RX DBoard
- output sen_rx_db,
- output sclk_rx_db,
- input sdo_rx_db,
- output sdi_rx_db,
-
- output sen_rx_adc,
- output sclk_rx_adc,
- input sdo_rx_adc,
- output sdi_rx_adc,
-
- output sen_rx_dac,
- output sclk_rx_dac,
- output sdi_rx_dac,
-
- inout [15:0] io_rx
- );
-
- assign cpld_init_b = 0;
- // FPGA-specific pins connections
- wire clk_fpga, dsp_clk, clk_div, dcm_out, wb_clk, clock_ready;
- wire clk90, clk180, clk270;
-
- // reset the watchdog continuously
- reg [15:0] wd;
- wire config_success;
-
- always @(posedge wb_clk)
- if(~config_success)
- wd <= 0;
- else
- wd <= wd + 1;
- assign WDI = wd[15];
-
- wire clk_fpga_unbuf;
-
- IBUFGDS clk_fpga_pin (.O(clk_fpga_unbuf),.I(clk_fpga_p),.IB(clk_fpga_n));
- BUFG clk_fpga_BUF (.O(clk_fpga),.I(clk_fpga_unbuf));
-
- defparam clk_fpga_pin.IOSTANDARD = "LVPECL_25";
-
- wire cpld_clock_buf;
- BUFG cpld_clock_BUF (.O(cpld_clock_buf),.I(cpld_clock));
-
- wire exp_time_in;
- IBUFDS exp_time_in_pin (.O(exp_time_in),.I(exp_time_in_p),.IB(exp_time_in_n));
- defparam exp_time_in_pin.IOSTANDARD = "LVDS_25";
-
- wire exp_time_out;
- OBUFDS exp_time_out_pin (.O(exp_time_out_p),.OB(exp_time_out_n),.I(exp_time_out));
- defparam exp_time_out_pin.IOSTANDARD = "LVDS_25";
-
- reg [5:0] clock_ready_d;
- always @(posedge clk_fpga)
- clock_ready_d[5:0] <= {clock_ready_d[4:0],clock_ready};
- wire dcm_rst = ~&clock_ready_d & |clock_ready_d;
-
- wire adc_on_a, adc_on_b, adc_oe_a, adc_oe_b;
- assign adc_oen_a = ~adc_oe_a;
- assign adc_oen_b = ~adc_oe_b;
- assign adc_pdn_a = ~adc_on_a;
- assign adc_pdn_b = ~adc_on_b;
-
- reg [13:0] adc_a_reg1, adc_b_reg1, adc_a_reg2, adc_b_reg2;
- reg adc_ovf_a_reg1, adc_ovf_a_reg2, adc_ovf_b_reg1, adc_ovf_b_reg2;
-
- // ADC A and B are swapped in schematic to facilitate clean layout
- always @(posedge dsp_clk)
- begin
- adc_a_reg1 <= adc_b;
- adc_b_reg1 <= adc_a;
- adc_ovf_a_reg1 <= adc_ovf_b;
- adc_ovf_b_reg1 <= adc_ovf_a;
- end
-
- always @(posedge dsp_clk)
- begin
- adc_a_reg2 <= adc_a_reg1;
- adc_b_reg2 <= adc_b_reg1;
- adc_ovf_a_reg2 <= adc_ovf_a_reg1;
- adc_ovf_b_reg2 <= adc_ovf_b_reg1;
- end // always @ (posedge dsp_clk)
-
- // Handle Clocks
- DCM DCM_INST (.CLKFB(dsp_clk),
- .CLKIN(clk_fpga),
- .DSSEN(0),
- .PSCLK(0),
- .PSEN(0),
- .PSINCDEC(0),
- .RST(dcm_rst),
- .CLKDV(clk_div),
- .CLKFX(),
- .CLKFX180(),
- .CLK0(dcm_out),
- .CLK2X(),
- .CLK2X180(),
- .CLK90(clk90),
- .CLK180(clk180),
- .CLK270(clk270),
- .LOCKED(LOCKED_OUT),
- .PSDONE(),
- .STATUS());
- defparam DCM_INST.CLK_FEEDBACK = "1X";
- defparam DCM_INST.CLKDV_DIVIDE = 2.0;
- defparam DCM_INST.CLKFX_DIVIDE = 1;
- defparam DCM_INST.CLKFX_MULTIPLY = 4;
- defparam DCM_INST.CLKIN_DIVIDE_BY_2 = "FALSE";
- defparam DCM_INST.CLKIN_PERIOD = 10.000;
- defparam DCM_INST.CLKOUT_PHASE_SHIFT = "NONE";
- defparam DCM_INST.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
- defparam DCM_INST.DFS_FREQUENCY_MODE = "LOW";
- defparam DCM_INST.DLL_FREQUENCY_MODE = "LOW";
- defparam DCM_INST.DUTY_CYCLE_CORRECTION = "TRUE";
- defparam DCM_INST.FACTORY_JF = 16'h8080;
- defparam DCM_INST.PHASE_SHIFT = 0;
- defparam DCM_INST.STARTUP_WAIT = "FALSE";
-
- BUFG dspclk_BUFG (.I(dcm_out), .O(dsp_clk));
- BUFG wbclk_BUFG (.I(clk_div), .O(wb_clk));
-
- // I2C -- Don't use external transistors for open drain, the FPGA implements this
- IOBUF scl_pin(.O(scl_pad_i), .IO(SCL), .I(scl_pad_o), .T(scl_pad_oen_o));
- IOBUF sda_pin(.O(sda_pad_i), .IO(SDA), .I(sda_pad_o), .T(sda_pad_oen_o));
-
- // LEDs are active low outputs
- wire [5:0] leds_int;
- assign leds = 6'b011111 ^ leds_int; // all except eth are active-low
-
- // SPI
- wire miso, mosi, sclk_int;
- assign {sclk,sdi} = (~sen_clk | ~sen_dac) ? {sclk_int,mosi} : 2'b0;
- assign {sclk_tx_db,sdi_tx_db} = ~sen_tx_db ? {sclk_int,mosi} : 2'b0;
- assign {sclk_tx_dac,sdi_tx_dac} = ~sen_tx_dac ? {sclk_int,mosi} : 2'b0;
- assign {sclk_tx_adc,sdi_tx_adc} = ~sen_tx_adc ? {sclk_int,mosi} : 2'b0;
- assign {sclk_rx_db,sdi_rx_db} = ~sen_rx_db ? {sclk_int,mosi} : 2'b0;
- assign {sclk_rx_dac,sdi_rx_dac} = ~sen_rx_dac ? {sclk_int,mosi} : 2'b0;
- assign {sclk_rx_adc,sdi_rx_adc} = ~sen_rx_adc ? {sclk_int,mosi} : 2'b0;
-
- assign miso = (~sen_clk & sdo) | (~sen_dac & sdo) |
- (~sen_tx_db & sdo_tx_db) | (~sen_tx_adc & sdo_tx_adc) |
- (~sen_rx_db & sdo_rx_db) | (~sen_rx_adc & sdo_rx_adc);
-
- wire GMII_TX_EN_unreg, GMII_TX_ER_unreg;
- wire [7:0] GMII_TXD_unreg;
- wire GMII_GTX_CLK_int;
-
- always @(posedge GMII_GTX_CLK_int)
- begin
- GMII_TX_EN <= GMII_TX_EN_unreg;
- GMII_TX_ER <= GMII_TX_ER_unreg;
- GMII_TXD <= GMII_TXD_unreg;
- end
-
- OFDDRRSE OFDDRRSE_gmii_inst
- (.Q(GMII_GTX_CLK), // Data output (connect directly to top-level port)
- .C0(GMII_GTX_CLK_int), // 0 degree clock input
- .C1(~GMII_GTX_CLK_int), // 180 degree clock input
- .CE(1), // Clock enable input
- .D0(0), // Posedge data input
- .D1(1), // Negedge data input
- .R(0), // Synchronous reset input
- .S(0) // Synchronous preset input
- );
-
- wire ser_tklsb_unreg, ser_tkmsb_unreg;
- wire [15:0] ser_t_unreg;
- wire ser_tx_clk_int;
-
- always @(posedge ser_tx_clk_int)
- begin
- ser_tklsb <= ser_tklsb_unreg;
- ser_tkmsb <= ser_tkmsb_unreg;
- ser_t <= ser_t_unreg;
- end
-
- assign ser_tx_clk = clk_fpga;
-
- reg [15:0] ser_r_int;
- reg ser_rklsb_int, ser_rkmsb_int;
-
- wire ser_rx_clk_buf;
- BUFG ser_rx_clk_BUF (.O(ser_rx_clk_buf),.I(ser_rx_clk));
- always @(posedge ser_rx_clk_buf)
- begin
- ser_r_int <= ser_r;
- ser_rklsb_int <= ser_rklsb;
- ser_rkmsb_int <= ser_rkmsb;
- end
-
- wire [15:0] dac_a_int, dac_b_int;
- // DAC A and B are swapped in schematic to facilitate clean layout
- // DAC A is also inverted in schematic to facilitate clean layout
- always @(posedge dsp_clk) dac_a <= ~dac_b_int;
- always @(posedge dsp_clk) dac_b <= dac_a_int;
-
- /*
- OFDDRRSE OFDDRRSE_serdes_inst
- (.Q(ser_tx_clk), // Data output (connect directly to top-level port)
- .C0(ser_tx_clk_int), // 0 degree clock input
- .C1(~ser_tx_clk_int), // 180 degree clock input
- .CE(1), // Clock enable input
- .D0(0), // Posedge data input
- .D1(1), // Negedge data input
- .R(0), // Synchronous reset input
- .S(0) // Synchronous preset input
- );
- */
-
- wire [17:0] RAM_D_pi;
- wire [17:0] RAM_D_po;
- wire RAM_D_poe;
-
- genvar i;
-
- //
- // Instantiate IO for Bidirectional bus to SRAM
- //
-
- generate
- for (i=0;i<18;i=i+1)
- begin : gen_RAM_D_IO
-
- IOBUF #(
- .DRIVE(12),
- .IOSTANDARD("LVCMOS25"),
- .SLEW("FAST")
- )
- RAM_D_i (
- .O(RAM_D_pi[i]),
- .I(RAM_D_po[i]),
- .IO(RAM_D[i]),
- .T(RAM_D_poe)
- );
- end // block: gen_RAM_D_IO
- endgenerate
-
- //
- // DCM edits start here
- //
-
-
- wire RAM_CLK_buf;
- wire clk_to_mac_buf;
- wire clk125_ext_clk0;
- wire clk125_ext_clk180;
- wire clk125_ext_clk0_buf;
- wire clk125_ext_clk180_buf;
- wire clk125_int_buf;
- wire clk125_int;
-
- IBUFG clk_to_mac_buf_i1 (.I(clk_to_mac),
- .O(clk_to_mac_buf));
-
- DCM DCM_INST1 (.CLKFB(RAM_CLK_buf),
- .CLKIN(clk_to_mac_buf),
- .DSSEN(1'b0),
- .PSCLK(1'b0),
- .PSEN(1'b0),
- .PSINCDEC(1'b0),
- .RST(1'b0),
- .CLK0(clk125_ext_clk0),
- .CLK180(clk125_ext_clk180) );
- defparam DCM_INST1.CLK_FEEDBACK = "1X";
- defparam DCM_INST1.CLKDV_DIVIDE = 2.0;
- defparam DCM_INST1.CLKFX_DIVIDE = 1;
- defparam DCM_INST1.CLKFX_MULTIPLY = 4;
- defparam DCM_INST1.CLKIN_DIVIDE_BY_2 = "FALSE";
- defparam DCM_INST1.CLKIN_PERIOD = 8.000;
- defparam DCM_INST1.CLKOUT_PHASE_SHIFT = "FIXED";
- defparam DCM_INST1.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
- defparam DCM_INST1.DFS_FREQUENCY_MODE = "LOW";
- defparam DCM_INST1.DLL_FREQUENCY_MODE = "LOW";
- defparam DCM_INST1.DUTY_CYCLE_CORRECTION = "TRUE";
- defparam DCM_INST1.FACTORY_JF = 16'h8080;
- defparam DCM_INST1.PHASE_SHIFT = -64;
- defparam DCM_INST1.STARTUP_WAIT = "FALSE";
-
- IBUFG RAM_CLK_buf_i1 (.I(RAM_CLK),
- .O(RAM_CLK_buf));
- BUFG clk125_ext_clk0_buf_i1 (.I(clk125_ext_clk0),
- .O(clk125_ext_clk0_buf));
- BUFG clk125_ext_clk180_buf_i1 (.I(clk125_ext_clk180),
- .O(clk125_ext_clk180_buf));
-
- OFDDRRSE RAM_CLK_i1 (.Q(RAM_CLK),
- .C0(clk125_ext_clk0_buf),
- .C1(clk125_ext_clk180_buf),
- .CE(1'b1),
- .D0(1'b1),
- .D1(1'b0),
- .R(1'b0),
- .S(1'b0));
-
-// SRL16 dcm2_rst_i1 (.D(1'b0),
-// .CLK(clk_to_mac_buf),
-// .Q(dcm2_rst),
-// .A0(1'b1),
-// .A1(1'b1),
-// .A2(1'b1),
-// .A3(1'b1));
- // synthesis attribute init of dcm2_rst_i1 is "000F";
-
- DCM DCM_INST2 (.CLKFB(clk125_int_buf),
- .CLKIN(clk_to_mac_buf),
- .DSSEN(1'b0),
- .PSCLK(1'b0),
- .PSEN(1'b0),
- .PSINCDEC(1'b0),
- .RST(1'b0),
- .CLK0(clk125_int));
- defparam DCM_INST2.CLK_FEEDBACK = "1X";
- defparam DCM_INST2.CLKDV_DIVIDE = 2.0;
- defparam DCM_INST2.CLKFX_DIVIDE = 1;
- defparam DCM_INST2.CLKFX_MULTIPLY = 4;
- defparam DCM_INST2.CLKIN_DIVIDE_BY_2 = "FALSE";
- defparam DCM_INST2.CLKIN_PERIOD = 8.000;
- defparam DCM_INST2.CLKOUT_PHASE_SHIFT = "NONE";
- defparam DCM_INST2.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
- defparam DCM_INST2.DFS_FREQUENCY_MODE = "LOW";
- defparam DCM_INST2.DLL_FREQUENCY_MODE = "LOW";
- defparam DCM_INST2.DUTY_CYCLE_CORRECTION = "TRUE";
- defparam DCM_INST2.FACTORY_JF = 16'h8080;
- defparam DCM_INST2.PHASE_SHIFT = 0;
- defparam DCM_INST2.STARTUP_WAIT = "FALSE";
-
- BUFG clk125_int_buf_i1 (.I(clk125_int),
- .O(clk125_int_buf));
-
- //
- // DCM edits end here
- //
-
-
- u2_core
- u2_core(.dsp_clk (dsp_clk),
- .wb_clk (wb_clk),
- .clock_ready (clock_ready),
- .clk_to_mac (clk125_int_buf),
- .pps_in (pps_in),
- .leds (leds_int),
- .debug (debug[31:0]),
- .debug_clk (debug_clk[1:0]),
- .exp_time_in (exp_time_in),
- .exp_time_out (exp_time_out),
- .GMII_COL (GMII_COL),
- .GMII_CRS (GMII_CRS),
- .GMII_TXD (GMII_TXD_unreg[7:0]),
- .GMII_TX_EN (GMII_TX_EN_unreg),
- .GMII_TX_ER (GMII_TX_ER_unreg),
- .GMII_GTX_CLK (GMII_GTX_CLK_int),
- .GMII_TX_CLK (GMII_TX_CLK),
- .GMII_RXD (GMII_RXD[7:0]),
- .GMII_RX_CLK (GMII_RX_CLK),
- .GMII_RX_DV (GMII_RX_DV),
- .GMII_RX_ER (GMII_RX_ER),
- .MDIO (MDIO),
- .MDC (MDC),
- .PHY_INTn (PHY_INTn),
- .PHY_RESETn (PHY_RESETn),
- .ser_enable (ser_enable),
- .ser_prbsen (ser_prbsen),
- .ser_loopen (ser_loopen),
- .ser_rx_en (ser_rx_en),
- .ser_tx_clk (ser_tx_clk_int),
- .ser_t (ser_t_unreg[15:0]),
- .ser_tklsb (ser_tklsb_unreg),
- .ser_tkmsb (ser_tkmsb_unreg),
- .ser_rx_clk (ser_rx_clk_buf),
- .ser_r (ser_r_int[15:0]),
- .ser_rklsb (ser_rklsb_int),
- .ser_rkmsb (ser_rkmsb_int),
- .cpld_start (cpld_start),
- .cpld_mode (cpld_mode),
- .cpld_done (cpld_done),
- .cpld_din (cpld_din),
- .cpld_clk (cpld_clk),
- .cpld_detached (cpld_detached),
- .cpld_misc (cpld_misc),
- .cpld_init_b (cpld_init_b),
- .por (~POR),
- .config_success (config_success),
- .adc_a (adc_a_reg2),
- .adc_ovf_a (adc_ovf_a_reg2),
- .adc_on_a (adc_on_a),
- .adc_oe_a (adc_oe_a),
- .adc_b (adc_b_reg2),
- .adc_ovf_b (adc_ovf_b_reg2),
- .adc_on_b (adc_on_b),
- .adc_oe_b (adc_oe_b),
- .dac_a (dac_a_int),
- .dac_b (dac_b_int),
- .scl_pad_i (scl_pad_i),
- .scl_pad_o (scl_pad_o),
- .scl_pad_oen_o (scl_pad_oen_o),
- .sda_pad_i (sda_pad_i),
- .sda_pad_o (sda_pad_o),
- .sda_pad_oen_o (sda_pad_oen_o),
- .clk_en (clk_en[1:0]),
- .clk_sel (clk_sel[1:0]),
- .clk_func (clk_func),
- .clk_status (clk_status),
- .sclk (sclk_int),
- .mosi (mosi),
- .miso (miso),
- .sen_clk (sen_clk),
- .sen_dac (sen_dac),
- .sen_tx_db (sen_tx_db),
- .sen_tx_adc (sen_tx_adc),
- .sen_tx_dac (sen_tx_dac),
- .sen_rx_db (sen_rx_db),
- .sen_rx_adc (sen_rx_adc),
- .sen_rx_dac (sen_rx_dac),
- .io_tx (io_tx[15:0]),
- .io_rx (io_rx[15:0]),
- .RAM_D_pi (RAM_D_pi),
- .RAM_D_po (RAM_D_po),
- .RAM_D_poe (RAM_D_poe),
- .RAM_A (RAM_A),
- .RAM_CE1n (RAM_CE1n),
- .RAM_CENn (RAM_CENn),
- // .RAM_CLK (RAM_CLK),
- .RAM_WEn (RAM_WEn),
- .RAM_OEn (RAM_OEn),
- .RAM_LDn (RAM_LDn),
- .uart_tx_o (uart_tx_o),
- .uart_rx_i (uart_rx_i),
- .uart_baud_o (),
- .sim_mode (1'b0),
- .clock_divider (2)
- );
-
-endmodule // u2_rev2