Refactored FPGA *.vh files. Moved common pieces to toplevel/include.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4713 221aa14e-8319-0410-a670-987f0aec2ac5

19 files changed, 145 insertions, 351 deletions

diff --git a/Makefile.extra b/Makefile.extra
index 0a9949629..7055447a9 100644
--- a/Makefile.extra
+++ b/Makefile.extra
@@ -133,18 +133,11 @@ EXTRA_DIST =                                           \
 	toplevel/usrp_multi/usrp_multi.qpf             \
 	toplevel/usrp_multi/usrp_multi.qsf             \
 	toplevel/usrp_multi/usrp_multi.v               \
-	toplevel/usrp_multi/usrp_multi.vh              \
-	toplevel/usrp_multi/usrp_multi_config_2rx_0tx.vh   \
-	toplevel/usrp_multi/usrp_multi_config_2rxhb_0tx.vh \
-	toplevel/usrp_multi/usrp_multi_config_2rxhb_2tx.vh \
-	toplevel/usrp_multi/usrp_multi_config_4rx_0tx.vh   \
-	toplevel/usrp_multi/usrp_std.vh                \
+	toplevel/usrp_multi/config.vh		       \
 	toplevel/usrp_std/usrp_std.csf                 \
 	toplevel/usrp_std/usrp_std.esf                 \
 	toplevel/usrp_std/usrp_std.psf                 \
 	toplevel/usrp_std/usrp_std.qpf                 \
 	toplevel/usrp_std/usrp_std.qsf                 \
 	toplevel/usrp_std/usrp_std.v                   \
-	toplevel/usrp_std/usrp_std.vh                  \
-	toplevel/usrp_std/usrp_std_config_2rxhb_2tx.vh \
-	toplevel/usrp_std/usrp_std_config_4rx_0tx.vh
+	toplevel/usrp_std/config.vh		       
diff --git a/sdr_lib/master_control_multi.v b/sdr_lib/master_control_multi.v
index 95c4ec17e..cab96a79f 100644
--- a/sdr_lib/master_control_multi.v
+++ b/sdr_lib/master_control_multi.v
@@ -18,7 +18,7 @@
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
 //
-`include "usrp_multi.vh"
+`include "config.vh"
 `include "../../../firmware/include/fpga_regs_common.v"
 `include "../../../firmware/include/fpga_regs_standard.v"
 // Clock, enable, and reset controls for whole system
diff --git a/sdr_lib/rx_chain.v b/sdr_lib/rx_chain.v
index 73c0c26ea..bc4336e41 100644
--- a/sdr_lib/rx_chain.v
+++ b/sdr_lib/rx_chain.v
@@ -21,7 +21,8 @@
 
 // Following defines conditionally include RX path circuitry
 
-`include "usrp_std.vh"
+`include "config.vh"	// resolved relative to project root
+
 module rx_chain
   (input clock,
    input reset,
diff --git a/toplevel/usrp_std/usrp_std_config_1rxhb_1tx.vh b/toplevel/include/common_config_1rxhb_1tx.vh
index e0291924b..fb2e915b1 100644
--- a/toplevel/usrp_std/usrp_std_config_1rxhb_1tx.vh
+++ b/toplevel/include/common_config_1rxhb_1tx.vh
@@ -26,7 +26,7 @@
 // ------------------------------------------------------------
 // Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
 // to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
+// [Please note that only TX_SINGLE and TX_DUAL are currently valid]
   `define TX_SINGLE
 //`define TX_DUAL
 //`define TX_QUAD
@@ -37,7 +37,7 @@
 //`define TX_HB_ON
 
 // ------------------------------------------------------------
-// IF RX_ON is not defined, there is *no* transmit circuitry built
+// IF RX_ON is not defined, there is *no* receive circuitry built
   `define RX_ON
 
 // ------------------------------------------------------------
@@ -58,4 +58,4 @@
 
 // ------------------------------------------------------------
 // Define RX_CIC_ON to enable the receive Cascaded Integrator Comb filter
-  `define RX_CIC_ON
\ No newline at end of file
+  `define RX_CIC_ON
diff --git a/toplevel/usrp_multi/usrp_multi_config_2rx_0tx.vh b/toplevel/include/common_config_2rx_0tx.vh
index 3c471463f..c97c5a32b 100644
--- a/toplevel/usrp_multi/usrp_multi_config_2rx_0tx.vh
+++ b/toplevel/include/common_config_2rx_0tx.vh
@@ -19,7 +19,6 @@
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
 //
-`define MULTI_ON
 // ------------------------------------------------------------
 // If TX_ON is not defined, there is *no* transmit circuitry built
 // `define TX_ON
@@ -27,7 +26,7 @@
 // ------------------------------------------------------------
 // Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
 // to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
+// [Please note that only TX_SINGLE and TX_DUAL are currently valid]
 //`define TX_SINGLE
 //`define TX_DUAL
 //`define TX_QUAD
@@ -38,7 +37,7 @@
 //`define TX_HB_ON
 
 // ------------------------------------------------------------
-// IF RX_ON is not defined, there is *no* transmit circuitry built
+// IF RX_ON is not defined, there is *no* receive circuitry built
   `define RX_ON
 
 // ------------------------------------------------------------
diff --git a/toplevel/usrp_multi/usrp_multi_config_2rxhb_0tx.vh b/toplevel/include/common_config_2rxhb_0tx.vh
index 43ed8e638..459268b6a 100644
--- a/toplevel/usrp_multi/usrp_multi_config_2rxhb_0tx.vh
+++ b/toplevel/include/common_config_2rxhb_0tx.vh
@@ -19,7 +19,6 @@
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
 //
-`define MULTI_ON
 // ------------------------------------------------------------
 // If TX_ON is not defined, there is *no* transmit circuitry built
 // `define TX_ON
@@ -27,7 +26,7 @@
 // ------------------------------------------------------------
 // Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
 // to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
+// [Please note that only TX_SINGLE and TX_DUAL are currently valid]
 //`define TX_SINGLE
 //`define TX_DUAL
 //`define TX_QUAD
diff --git a/toplevel/usrp_std/usrp_std_config_2rxhb_2tx.vh b/toplevel/include/common_config_2rxhb_2tx.vh
index 4d51a2049..ecf0fa03e 100644
--- a/toplevel/usrp_std/usrp_std_config_2rxhb_2tx.vh
+++ b/toplevel/include/common_config_2rxhb_2tx.vh
@@ -26,7 +26,7 @@
 // ------------------------------------------------------------
 // Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
 // to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
+// [Please note that only TX_SINGLE and TX_DUAL are currently valid]
 //`define TX_SINGLE
   `define TX_DUAL
 //`define TX_QUAD
diff --git a/toplevel/usrp_std/usrp_std_config_4rx_0tx.vh b/toplevel/include/common_config_4rx_0tx.vh
index 2bc713822..498419570 100644
--- a/toplevel/usrp_std/usrp_std_config_4rx_0tx.vh
+++ b/toplevel/include/common_config_4rx_0tx.vh
@@ -26,7 +26,7 @@
 // ------------------------------------------------------------
 // Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
 // to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
+// [Please note that only TX_SINGLE and TX_DUAL are currently valid]
 //`define TX_SINGLE
 //`define TX_DUAL
 //`define TX_QUAD
diff --git a/toplevel/usrp_std/usrp_std.vh b/toplevel/include/common_config_bottom.vh
index 7b7433cd4..3129798a1 100644
--- a/toplevel/usrp_std/usrp_std.vh
+++ b/toplevel/include/common_config_bottom.vh
@@ -2,7 +2,7 @@
 //
 //  USRP - Universal Software Radio Peripheral
 //
-//  Copyright (C) 2006 Matt Ettus
+//  Copyright (C) 2006,2007 Matt Ettus
 //
 //  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
@@ -20,29 +20,11 @@
 //
 
 // ====================================================================
-//            User control over what parts get included
-//
-//                  >>>> EDIT ONLY THIS SECTION <<<<
-//
-// ====================================================================
-
-// Uncomment this for 1 rx channel (w/ halfband) & 1 transmit channel
-//`include "usrp_std_config_1rxhb_1tx.vh"
-
-// Uncomment this for 2 rx channels (w/ halfband) & 2 transmit channels
-  `include "usrp_std_config_2rxhb_2tx.vh"
-
-// Uncomment this for 4 rx channels (w/o halfband) & 0 transmit channels
-//`include "usrp_std_config_4rx_0tx.vh"
-
-// Add other "known to fit" configurations here...
-
+//	   This is the common tail for standard configuation
 // ====================================================================
 // 
 //                  >>>> DO NOT EDIT BELOW HERE <<<<
 //
-// [The stuff from here down is derived from the stuff included above]
-//
 // N.B., *all* the remainder of the code should be conditionalized
 // only in terms of:
 //
diff --git a/toplevel/usrp_multi/config.vh b/toplevel/usrp_multi/config.vh
new file mode 100644
index 000000000..07011bd48
--- /dev/null
+++ b/toplevel/usrp_multi/config.vh
@@ -0,0 +1,62 @@
+// -*- verilog -*-
+//
+//  USRP - Universal Software Radio Peripheral
+//
+//  Copyright (C) 2006,2007 Matt Ettus
+//  Copyright (C) 2006 Martin Dudok van Heel
+//
+//  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 2 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, write to the Free Software
+//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
+//
+
+// ====================================================================
+//            User control over what parts get included
+//
+//                  >>>> EDIT ONLY THIS SECTION <<<<
+//                  Uncomment only ONE configuration
+// ====================================================================
+
+// ====================================================================
+// FIXME drive configuration selection from the command line and/or gui
+// ====================================================================
+
+`define MULTI_ON		// enable multi usrp configuration
+
+// Uncomment this for 1 rx channel (w/ halfband) & 1 transmit channel
+//`include "../include/common_config_1rxhb_1tx.vh"
+
+// Uncomment this for multi with 2 rx channels (w/ halfband) & 2 transmit channels
+`include "../include/common_config_2rxhb_2tx.vh"
+
+// Uncomment this for multi with 4 rx channels (w/o halfband) & 0 transmit channels
+//`include "../include/common_config_4rx_0tx.vh"
+
+// Uncomment this for multi with 2 rx channels (w/ halfband) & 0 transmit channels
+//`include "../include/common_config_2rxhb_0tx.vh"
+
+// Uncomment this for multi with 2 rx channels (w/o halfband) & 0 transmit channels
+//`include "../include/common_config_2rx_0tx.vh"
+
+
+// Add other "known to fit" configurations here...
+
+// ====================================================================
+//  Now include the common footer
+// ====================================================================
+
+`ifdef MULTI_ON
+  `define COUNTER_32BIT_ON
+`endif
+
+`include "../include/common_config_bottom.vh"
diff --git a/toplevel/usrp_multi/usrp_multi.qsf b/toplevel/usrp_multi/usrp_multi.qsf
index e45c683af..9f0efbd83 100644
--- a/toplevel/usrp_multi/usrp_multi.qsf
+++ b/toplevel/usrp_multi/usrp_multi.qsf
@@ -27,7 +27,7 @@
 # ========================

 set_global_assignment -name ORIGINAL_QUARTUS_VERSION 3.0

 set_global_assignment -name PROJECT_CREATION_TIME_DATE "00:14:04  JULY 13, 2003"

-set_global_assignment -name LAST_QUARTUS_VERSION "5.1 SP1"

+set_global_assignment -name LAST_QUARTUS_VERSION 6.1

 

 # Pin & Location Assignments

 # ==========================

@@ -223,7 +223,7 @@ set_global_assignment -name APEX20K_OPTIMIZATION_TECHNIQUE SPEED
 set_global_assignment -name TOP_LEVEL_ENTITY usrp_multi

 set_global_assignment -name VHDL_SHOW_LMF_MAPPING_MESSAGES OFF

 set_global_assignment -name USER_LIBRARIES "H:\\usrp-for2.7\\fpga\\megacells"

-set_global_assignment -name AUTO_ENABLE_SMART_COMPILE On

+set_global_assignment -name AUTO_ENABLE_SMART_COMPILE ON

 

 # Fitter Assignments

 # ==================

@@ -314,7 +314,7 @@ set_global_assignment -name HCPY_VREF_PINS OFF
 # ========================

 set_global_assignment -name HUB_ENTITY_NAME SLD_HUB

 set_global_assignment -name HUB_INSTANCE_NAME SLD_HUB_INST

-set_global_assignment -name ENABLE_SIGNALTAP Off

+set_global_assignment -name ENABLE_SIGNALTAP OFF

 

 # LogicLock Region Assignments

 # ============================

@@ -326,8 +326,8 @@ set_global_assignment -name LOGICLOCK_INCREMENTAL_COMPILE_ASSIGNMENT OFF
 	# Timing Assignments

 	# ==================

 set_global_assignment -name DUTY_CYCLE 50 -section_id SCLK

-	set_global_assignment -name FMAX_REQUIREMENT "1.0 MHz" -section_id SCLK

-	set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id SCLK

+set_global_assignment -name FMAX_REQUIREMENT "1 MHz" -section_id SCLK

+set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id SCLK

 

 # end CLOCK(SCLK)

 # ---------------

@@ -338,8 +338,8 @@ set_global_assignment -name DUTY_CYCLE 50 -section_id SCLK
 	# Timing Assignments

 	# ==================

 set_global_assignment -name DUTY_CYCLE 50 -section_id master_clk

-	set_global_assignment -name FMAX_REQUIREMENT "64.0 MHz" -section_id master_clk

-	set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id master_clk

+set_global_assignment -name FMAX_REQUIREMENT "64 MHz" -section_id master_clk

+set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id master_clk

 

 # end CLOCK(master_clk)

 # ---------------------

@@ -350,8 +350,8 @@ set_global_assignment -name DUTY_CYCLE 50 -section_id master_clk
 	# Timing Assignments

 	# ==================

 set_global_assignment -name DUTY_CYCLE 50 -section_id usbclk

-	set_global_assignment -name FMAX_REQUIREMENT "48.0 MHz" -section_id usbclk

-	set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id usbclk

+set_global_assignment -name FMAX_REQUIREMENT "48 MHz" -section_id usbclk

+set_global_assignment -name INCLUDE_EXTERNAL_PIN_DELAYS_IN_FMAX_CALCULATIONS OFF -section_id usbclk

 

 # end CLOCK(usbclk)

 # -----------------

@@ -361,18 +361,18 @@ set_global_assignment -name DUTY_CYCLE 50 -section_id usbclk
 

 	# Timing Assignments

 	# ==================

-	set_instance_assignment -name CLOCK_SETTINGS SCLK -to SCLK

-	set_instance_assignment -name CLOCK_SETTINGS usbclk -to usbclk

-	set_instance_assignment -name CLOCK_SETTINGS master_clk -to master_clk

+set_instance_assignment -name CLOCK_SETTINGS SCLK -to SCLK

+set_instance_assignment -name CLOCK_SETTINGS usbclk -to usbclk

+set_instance_assignment -name CLOCK_SETTINGS master_clk -to master_clk

 

 # end ENTITY(usrp_multi)

 # --------------------

 

 

+set_global_assignment -name VERILOG_FILE ../../sdr_lib/rssi.v

 set_global_assignment -name VERILOG_FILE ../../sdr_lib/setting_reg_masked.v

 set_global_assignment -name VERILOG_FILE ../../sdr_lib/master_control_multi.v

 set_global_assignment -name VERILOG_FILE ../../sdr_lib/ram16.v

-set_global_assignment -name VERILOG_FILE usrp_multi.vh

 set_global_assignment -name VERILOG_FILE ../../megacells/fifo_4k.v

 set_global_assignment -name VERILOG_FILE ../../sdr_lib/hb/acc.v

 set_global_assignment -name VERILOG_FILE ../../sdr_lib/hb/mult.v

diff --git a/toplevel/usrp_multi/usrp_multi.v b/toplevel/usrp_multi/usrp_multi.v
index e3706d71b..ce484fc1c 100644
--- a/toplevel/usrp_multi/usrp_multi.v
+++ b/toplevel/usrp_multi/usrp_multi.v
@@ -28,7 +28,7 @@
 
 // Uncomment the following to include optional circuitry
 
-`include "usrp_multi.vh"
+`include "config.vh"
 `include "../../../firmware/include/fpga_regs_common.v"
 `include "../../../firmware/include/fpga_regs_standard.v"
 
diff --git a/toplevel/usrp_multi/usrp_multi.vh b/toplevel/usrp_multi/usrp_multi.vh
deleted file mode 100644
index fb5dc8d1f..000000000
--- a/toplevel/usrp_multi/usrp_multi.vh
+++ /dev/null
@@ -1,141 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2006 Matt Ettus
-//  Copyright (C) 2006 Martin Dudok van Heel
-//
-//  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 2 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, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-
-// ====================================================================
-//            User control over what parts get included
-//
-//                  >>>> EDIT ONLY THIS SECTION <<<<
-//                  Uncomment only ONE configuration
-// ====================================================================
-
-// ==== Multi usrp configurations ====
-// Uncomment this for multi with 2 rx channels (w/ halfband) & 2 transmit channels
-`include "usrp_multi_config_2rxhb_2tx.vh"
-
-// Uncomment this for multi with 4 rx channels (w/o halfband) & 0 transmit channels
-//`include "usrp_multi_config_4rx_0tx.vh"
-
-// Uncomment this for multi with 2 rx channels (w/ halfband) & 0 transmit channels
-//`include "usrp_multi_config_2rxhb_0tx.vh"
-
-// Uncomment this for multi with 2 rx channels (w/o halfband) & 0 transmit channels
-//`include "usrp_multi_config_2rx_0tx.vh"
-
-// ==== Standard configurations (no multi support) ====
-// Uncomment this for standard with 2 rx channels (w/ halfband) & 2 transmit channels
-//  `include "../usrp_std/usrp_std_config_2rxhb_2tx.vh"
-
-// Uncomment this for standard with 4 rx channels (w/o halfband) & 0 transmit channels
-//`include "../usrp_std/usrp_std_config_4rx_0tx.vh"
-
-// Add other "known to fit" configurations here...
-
-// ====================================================================
-// 
-//                  >>>> DO NOT EDIT BELOW HERE <<<<
-//
-// [The stuff from here down is derived from the stuff included above]
-//
-// N.B., *all* the remainder of the code should be conditionalized
-// only in terms of:
-//
-//  TX_ON, TX_EN_0, TX_EN_1, TX_EN_2, TX_EN_3, TX_CAP_NCHAN, TX_CAP_HB,
-//  RX_ON, RX_EN_0, RX_EN_1, RX_EN_2, RX_EN_3, RX_CAP_NCHAN, RX_CAP_HB,
-//  RX_NCO_ON, RX_CIC_ON
-// ====================================================================
-`ifdef MULTI_ON
-  `define COUNTER_32BIT_ON
-`endif
-
-`ifdef TX_ON
-
- `ifdef TX_SINGLE
-  `define TX_EN_0
-  `define TX_CAP_NCHAN 3'd1
- `endif
-
- `ifdef TX_DUAL
-  `define TX_EN_0
-  `define TX_EN_1
-  `define TX_CAP_NCHAN 3'd2
- `endif
-
- `ifdef TX_QUAD
-  `define TX_EN_0
-  `define TX_EN_1
-  `define TX_EN_2
-  `define TX_EN_3
-  `define TX_CAP_NCHAN 3'd4
- `endif
-
- `ifdef TX_HB_ON
-  `define TX_CAP_HB   1
- `else
-  `define TX_CAP_HB   0
- `endif
-
-`else	// !ifdef TX_ON
-
- `define TX_CAP_NCHAN 3'd0
- `define TX_CAP_HB 0
-
-`endif // !ifdef TX_ON
-
-// --------------------------------------------------------------------
-
-`ifdef RX_ON
-
- `ifdef RX_SINGLE
-  `define RX_EN_0
-  `define RX_CAP_NCHAN 3'd1
- `endif
-
- `ifdef RX_DUAL
-  `define RX_EN_0
-  `define RX_EN_1
-  `ifdef MULTI_ON
-    `define RX_CAP_NCHAN 3'd4
-  `else
-    `define RX_CAP_NCHAN 3'd2
-  `endif
- `endif
-
- `ifdef RX_QUAD
-  `define RX_EN_0
-  `define RX_EN_1
-  `define RX_EN_2
-  `define RX_EN_3
-  `define RX_CAP_NCHAN 3'd4
- `endif
-
- `ifdef RX_HB_ON
-  `define RX_CAP_HB   1
- `else
-  `define RX_CAP_HB   0
- `endif
-
-`else	// !ifdef RX_ON
-
- `define RX_CAP_NCHAN 3'd0
- `define RX_CAP_HB 0
-
-`endif // !ifdef RX_ON
diff --git a/toplevel/usrp_multi/usrp_multi_config_2rxhb_2tx.vh b/toplevel/usrp_multi/usrp_multi_config_2rxhb_2tx.vh
deleted file mode 100644
index 9ec92a4ec..000000000
--- a/toplevel/usrp_multi/usrp_multi_config_2rxhb_2tx.vh
+++ /dev/null
@@ -1,62 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2006 Matt Ettus
-//  Copyright (C) 2006 Martin Dudok van Heel
-//
-//  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 2 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, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-`define MULTI_ON
-// ------------------------------------------------------------
-// If TX_ON is not defined, there is *no* transmit circuitry built
-  `define TX_ON
-
-// ------------------------------------------------------------
-// Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
-// to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
-//`define TX_SINGLE
-  `define TX_DUAL
-//`define TX_QUAD
-
-// ------------------------------------------------------------
-// Define TX_HB_ON to enable the transmit halfband filter
-// [Not implemented]
-//`define TX_HB_ON
-
-// ------------------------------------------------------------
-// IF RX_ON is not defined, there is *no* transmit circuitry built
-  `define RX_ON
-
-// ------------------------------------------------------------
-// Define 1 and only one of RX_SINGLE, RX_DUAL and RX_QUAD
-// to respectively define 1, 2 or 4 receive channels.
-
-//`define RX_SINGLE
-  `define RX_DUAL
-//`define RX_QUAD
-
-// ------------------------------------------------------------
-// Define RX_HB_ON to enable the receive halfband filter
-  `define RX_HB_ON
-
-// ------------------------------------------------------------
-// Define RX_NCO_ON to enable the receive Numerical Controlled Osc
-  `define RX_NCO_ON
-
-// ------------------------------------------------------------
-// Define RX_CIC_ON to enable the receive Cascaded Integrator Comb filter
-  `define RX_CIC_ON
diff --git a/toplevel/usrp_multi/usrp_multi_config_4rx_0tx.vh b/toplevel/usrp_multi/usrp_multi_config_4rx_0tx.vh
deleted file mode 100644
index 42549befd..000000000
--- a/toplevel/usrp_multi/usrp_multi_config_4rx_0tx.vh
+++ /dev/null
@@ -1,62 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2006 Matt Ettus
-//  Copyright (C) 2006 Martin Dudok van Heel
-//
-//  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 2 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, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-`define MULTI_ON
-// ------------------------------------------------------------
-// If TX_ON is not defined, there is *no* transmit circuitry built
-// `define TX_ON
-
-// ------------------------------------------------------------
-// Define 1 and only one of TX_SINGLE, TX_DUAL and TX_QUAD
-// to respectively enable 1, 2 or 4 transmit channels.
-// [Please note that only TX_DUAL is currently valid]
-//`define TX_SINGLE
-//`define TX_DUAL
-//`define TX_QUAD
-
-// ------------------------------------------------------------
-// Define TX_HB_ON to enable the transmit halfband filter
-// [Not implemented]
-//`define TX_HB_ON
-
-// ------------------------------------------------------------
-// IF RX_ON is not defined, there is *no* transmit circuitry built
-  `define RX_ON
-
-// ------------------------------------------------------------
-// Define 1 and only one of RX_SINGLE, RX_DUAL and RX_QUAD
-// to respectively define 1, 2 or 4 receive channels.
-
-//`define RX_SINGLE
-//`define RX_DUAL
-  `define RX_QUAD
-
-// ------------------------------------------------------------
-// Define RX_HB_ON to enable the receive halfband filter
-//`define RX_HB_ON
-
-// ------------------------------------------------------------
-// Define RX_NCO_ON to enable the receive Numerical Controlled Osc
-  `define RX_NCO_ON
-
-// ------------------------------------------------------------
-// Define RX_CIC_ON to enable the receive Cascaded Integrator Comb filter
-  `define RX_CIC_ON
diff --git a/toplevel/usrp_multi/usrp_std.vh b/toplevel/usrp_multi/usrp_std.vh
deleted file mode 100644
index 2732a1992..000000000
--- a/toplevel/usrp_multi/usrp_std.vh
+++ /dev/null
@@ -1,29 +0,0 @@
-// -*- verilog -*-
-//
-//  USRP - Universal Software Radio Peripheral
-//
-//  Copyright (C) 2006 Martin Dudok van Heel
-//
-//  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 2 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, write to the Free Software
-//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
-//
-
-// ====================================================================
-//            Do not remove or edit this file.
-//            This is a redirect to usrp_multi.vh
-//            This is needed because some common source files have a 
-//            hardcoded `include "usrp_std.vh"
-// ====================================================================
-
-`include "usrp_multi.vh"
diff --git a/toplevel/usrp_std/config.vh b/toplevel/usrp_std/config.vh
new file mode 100644
index 000000000..f1f8ec40e
--- /dev/null
+++ b/toplevel/usrp_std/config.vh
@@ -0,0 +1,53 @@
+// -*- verilog -*-
+//
+//  USRP - Universal Software Radio Peripheral
+//
+//  Copyright (C) 2006,2007 Matt Ettus
+//
+//  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 2 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, write to the Free Software
+//  Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
+//
+
+// ====================================================================
+//            User control over what parts get included
+//
+//                  >>>> EDIT ONLY THIS SECTION <<<<
+//                  Uncomment only ONE configuration
+// ====================================================================
+
+// ====================================================================
+// FIXME drive configuration selection from the command line and/or gui
+// ====================================================================
+
+// Uncomment this for 1 rx channel (w/ halfband) & 1 transmit channel
+//`include "../include/common_config_1rxhb_1tx.vh"
+
+// Uncomment this for 2 rx channels (w/ halfband) & 2 transmit channels
+  `include "../include/common_config_2rxhb_2tx.vh"
+
+// Uncomment this for 4 rx channels (w/o halfband) & 0 transmit channels
+//`include "../include/common_config_4rx_0tx.vh"
+
+// Uncomment this for multi with 2 rx channels (w/ halfband) & 0 transmit channels
+//`include "../include/common_config_2rxhb_0tx.vh"
+
+// Uncomment this for multi with 2 rx channels (w/o halfband) & 0 transmit channels
+//`include "../include/common_config_2rx_0tx.vh"
+
+// Add other "known to fit" configurations here...
+
+// ====================================================================
+//  Now include the common footer
+// ====================================================================
+  `include "../include/common_config_bottom.vh"
diff --git a/toplevel/usrp_std/usrp_std.qsf b/toplevel/usrp_std/usrp_std.qsf
index fe6773f67..e43d39ba3 100644
--- a/toplevel/usrp_std/usrp_std.qsf
+++ b/toplevel/usrp_std/usrp_std.qsf
@@ -370,7 +370,6 @@ set_instance_assignment -name CLOCK_SETTINGS master_clk -to master_clk
 
 set_global_assignment -name VERILOG_FILE ../../sdr_lib/rssi.v
 set_global_assignment -name VERILOG_FILE ../../sdr_lib/ram16.v
-set_global_assignment -name VERILOG_FILE usrp_std.vh
 set_global_assignment -name VERILOG_FILE ../../megacells/fifo_4k.v
 set_global_assignment -name VERILOG_FILE ../../sdr_lib/hb/acc.v
 set_global_assignment -name VERILOG_FILE ../../sdr_lib/hb/mult.v
diff --git a/toplevel/usrp_std/usrp_std.v b/toplevel/usrp_std/usrp_std.v
index ad882ce16..870f43769 100644
--- a/toplevel/usrp_std/usrp_std.v
+++ b/toplevel/usrp_std/usrp_std.v
@@ -27,7 +27,7 @@
 
 // Uncomment the following to include optional circuitry
 
-`include "usrp_std.vh"
+`include "config.vh"
 `include "../../../firmware/include/fpga_regs_common.v"
 `include "../../../firmware/include/fpga_regs_standard.v"