Merge branch 'master' into codec_gains

Conflicts:
	host/lib/CMakeLists.txt
	host/lib/utils/gain_handler.cpp

106 files changed, 527 insertions, 963 deletions

diff --git a/firmware/microblaze/.gitignore b/firmware/microblaze/.gitignore
index 068f01838..e867fe87c 100644
--- a/firmware/microblaze/.gitignore
+++ b/firmware/microblaze/.gitignore
@@ -5,6 +5,8 @@
 /*.log
 /*.rom
 /.deps
+/*.guess
+/*.sub
 /Makefile
 /Makefile.in
 /aclocal.m4
diff --git a/firmware/microblaze/Makefile.am b/firmware/microblaze/Makefile.am
index 676c4fe42..6316b31a2 100644
--- a/firmware/microblaze/Makefile.am
+++ b/firmware/microblaze/Makefile.am
@@ -22,6 +22,5 @@ include $(top_srcdir)/Makefile.common
 EXTRA_DIST = \
 	u2_flash_tool
 
-SUBDIRS = include lib apps
-
-
+SUBDIRS = \
+	usrp2
diff --git a/firmware/microblaze/Makefile.common b/firmware/microblaze/Makefile.common
index 3d0f540d8..ceb6a553a 100644
--- a/firmware/microblaze/Makefile.common
+++ b/firmware/microblaze/Makefile.common
@@ -17,6 +17,8 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+include $(top_srcdir)/lib/Makefile.inc
+
 ########################################################################
 # lwIP header include dirs
 ########################################################################
@@ -29,21 +31,12 @@ LWIP_INCLUDES = \
 	-I$(LWIPDIR)/src/include/ipv4
 
 ########################################################################
-# local include dirs
-########################################################################
-LOCAL_INCLUDES = \
-	-I$(top_srcdir)/include \
-	-I$(top_srcdir)/lib
-
-########################################################################
 # misc flags for the mb-gcc compiler
 ########################################################################
 MBGCC_CFLAGS = \
 	--std=gnu99 -Wall -Werror-implicit-function-declaration \
 	-mxl-soft-div -msoft-float -mxl-soft-mul -mxl-barrel-shift
 
-MBGCC_LFLAGS = -Wl,-defsym -Wl,_STACK_SIZE=3072
-
 ########################################################################
 # define for the hal io (FIXME move?)
 ########################################################################
@@ -51,31 +44,39 @@ MBGCC_LFLAGS = -Wl,-defsym -Wl,_STACK_SIZE=3072
 HAL_IO = -DHAL_IO_USES_UART 
 
 ########################################################################
-# set the cflags and ldflags
+# common cflags and ldflags
 ########################################################################
-AM_CFLAGS = $(MBGCC_CFLAGS) $(LOCAL_INCLUDES) $(LWIP_INCLUDES) $(HAL_IO)
+COMMON_CFLAGS = \
+	-I$(top_srcdir)/../../host/lib/usrp \
+	-I$(top_srcdir)/lib \
+	$(MBGCC_CFLAGS) \
+	$(LWIP_INCLUDES) \
+	$(HAL_IO)
 
-AM_LDFLAGS = $(MBGCC_LFLAGS)
+COMMON_LFLAGS = \
+	-Wl,-Map -Wl,$(@:.elf=.map)
 
 ########################################################################
 # Common stuff for building top level microblaze images
 ########################################################################
-AM_LDFLAGS += -Wl,-Map -Wl,$(@:.elf=.map)
-
-%.bin : %.elf
+.elf.bin:
 	$(MB_OBJCOPY) -O binary $< $@
 
-%.dump : %.elf
+.elf.dump:
 	$(MB_OBJDUMP) -DSC $< > $@
 
-%.rom : %.bin
+.bin.rom:
 	$(HEXDUMP) -v -e'1/1 "%.2X\n"' $< > $@
 
+.elf.ihx:
+	$(MB_OBJCOPY) -O ihex $(COMMON_IHX_ARGS) $< $@
+
 _generated_from_elf = \
 	$(noinst_PROGRAMS:.elf=.map) \
 	$(noinst_PROGRAMS:.elf=.bin) \
 	$(noinst_PROGRAMS:.elf=.dump) \
-	$(noinst_PROGRAMS:.elf=.rom)
+	$(noinst_PROGRAMS:.elf=.rom) \
+	$(noinst_PROGRAMS:.elf=.ihx)
 
 noinst_DATA = $(_generated_from_elf)
 
diff --git a/firmware/microblaze/apps/burnrev40.c b/firmware/microblaze/apps/burnrev40.c
deleted file mode 100644
index 362270961..000000000
--- a/firmware/microblaze/apps/burnrev40.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright 2007,2008 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "u2_init.h"
-#include "memory_map.h"
-#include "spi.h"
-#include "hal_io.h"
-#include "buffer_pool.h"
-#include "pic.h"
-#include <stdbool.h>
-#include "ethernet.h"
-#include "nonstdio.h"
-#include "usrp2_eth_packet.h"
-#include "dbsm.h"
-#include "app_common_v2.h"
-#include "memcpy_wa.h"
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <i2c.h>
-#include <usrp2_i2c_addr.h>
-#include <clocks.h>
-#include "sd.h"
-#include "mdelay.h"
-
-#define HW_REV_MAJOR 4
-#define HW_REV_MINOR 0
-
-int test_ram()
-{
-  int i,j,k;
-  output_regs->ram_page = 1<<10;
-  
-  extram[0] = 0xDEADBEEF;
-  extram[1] = 0xF00D1234;
-  extram[7] = 0x76543210;
-  
-  output_regs->ram_page = 2<<10;
-  extram[7] = 0x55555555;
-  extram[1] = 0xaaaaaaaa;
-  extram[0] = 0xeeeeeeee;
-  
-  output_regs->ram_page = 1<<10;
-  
-  i = extram[0];
-  k = extram[1];
-  j = extram[7];
-  
-  if((i != 0xDEADBEEF)||(j!=0x76543210)||(k!=0xF00D1234)) {
-    puts("RAM FAIL1!\n");
-    puthex32_nl(i);
-    puthex32_nl(j);
-    puthex32_nl(k);
-    return 0;
-  }
-  
-  output_regs->ram_page = 2<<10;
-
-  j = extram[7];
-  k = extram[1];
-  i = extram[0];
-
-  if((i != 0xeeeeeeee)||(j!=0x55555555)||(k!=0xaaaaaaaa)) {
-    puts("RAM FAIL2!\n");
-    puthex32_nl(i);
-    puthex32_nl(j);
-    puthex32_nl(k);
-    return 0;
-  }
-  return 1;
-}
-
-int test_sd()
-{
-  int i = sd_init();
-  if(i==0) {
-    puts("FAILED INIT of Card\n");
-    return 0;
-  }
-  
-  unsigned char buf[512];
-  i = sd_read_block(2048,buf);
-  if(i == 0) {
-    puts("READ Command Rejected\n");
-    return 0;
-  }
-  if((buf[0]==0xb8)&&(buf[1]==0x08)&&(buf[2]==0x00)&&(buf[3]==0x50))
-    ;
-  else {
-    puts("Read bad data from SD Card\n");
-    return 0;
-  }
-  return 1;
-}
-
-int
-main(void)
-{
-  u2_init();
-
-  putstr("\nFactory Test, Board Rev 4.0\n");
-
-  bool ok = true;
-  unsigned char maj = HW_REV_MAJOR;
-  unsigned char min = HW_REV_MINOR;
-  ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_REV_MSB, &maj, 1);
-  ok &= eeprom_write(I2C_ADDR_MBOARD, MBOARD_REV_LSB, &min, 1);
-
-  putstr("\nset_hw_rev\n");
-  if (ok)
-    printf("OK: set h/w rev to %d.%d\n", HW_REV_MAJOR, HW_REV_MINOR);
-  else {
-    printf("FAILED to set h/w rev to %d.%d\n", HW_REV_MAJOR, HW_REV_MINOR);
-    hal_finish();
-    return 0;
-  }
-
-  if(test_sd())
-    puts("SD OK\n");
-  else {
-    puts("SD FAIL\n");
-    //hal_finish();
-    //return 0;
-  }
-  if(test_ram())
-    puts("RAM OK\n");
-  else {
-    puts("RAM FAIL\n");
-    hal_finish();
-    return 0;
-  }
-
-  print_mac_addr(ethernet_mac_addr()->addr);
-  newline();
-
-  clocks_mimo_config(MC_WE_LOCK_TO_SMA);
-
-  while (!clocks_lock_detect()) {
-    puts("No Lock");
-    mdelay(1000);
-  }
-  puts("Clock Locked\n");
-
-}
diff --git a/firmware/microblaze/apps/Makefile.am b/firmware/microblaze/apps/cruft/Makefile.am
index a4f79935b..a4f79935b 100644
--- a/firmware/microblaze/apps/Makefile.am
+++ b/firmware/microblaze/apps/cruft/Makefile.am
diff --git a/firmware/microblaze/apps/app_passthru_v2.c b/firmware/microblaze/apps/cruft/app_passthru_v2.c
index 406c56b3b..406c56b3b 100644
--- a/firmware/microblaze/apps/app_passthru_v2.c
+++ b/firmware/microblaze/apps/cruft/app_passthru_v2.c
diff --git a/firmware/microblaze/apps/app_passthru_v2.h b/firmware/microblaze/apps/cruft/app_passthru_v2.h
index 3904c670f..3904c670f 100644
--- a/firmware/microblaze/apps/app_passthru_v2.h
+++ b/firmware/microblaze/apps/cruft/app_passthru_v2.h
diff --git a/firmware/microblaze/apps/blink_leds.c b/firmware/microblaze/apps/cruft/blink_leds.c
index 682ca8db2..682ca8db2 100644
--- a/firmware/microblaze/apps/blink_leds.c
+++ b/firmware/microblaze/apps/cruft/blink_leds.c
diff --git a/firmware/microblaze/apps/blink_leds2.c b/firmware/microblaze/apps/cruft/blink_leds2.c
index 13e78afb3..13e78afb3 100644
--- a/firmware/microblaze/apps/blink_leds2.c
+++ b/firmware/microblaze/apps/cruft/blink_leds2.c
diff --git a/firmware/microblaze/apps/buf_ram_test.c b/firmware/microblaze/apps/cruft/buf_ram_test.c
index 1aca2aec5..1aca2aec5 100644
--- a/firmware/microblaze/apps/buf_ram_test.c
+++ b/firmware/microblaze/apps/cruft/buf_ram_test.c
diff --git a/firmware/microblaze/apps/burn_dbsrx_eeprom.c b/firmware/microblaze/apps/cruft/burn_dbsrx_eeprom.c
index 116d4d8d0..116d4d8d0 100644
--- a/firmware/microblaze/apps/burn_dbsrx_eeprom.c
+++ b/firmware/microblaze/apps/cruft/burn_dbsrx_eeprom.c
diff --git a/firmware/microblaze/apps/burnrev30.c b/firmware/microblaze/apps/cruft/burnrev30.c
index 40fa53e34..40fa53e34 100644
--- a/firmware/microblaze/apps/burnrev30.c
+++ b/firmware/microblaze/apps/cruft/burnrev30.c
diff --git a/firmware/microblaze/apps/burnrev31.c b/firmware/microblaze/apps/cruft/burnrev31.c
index f6b08d187..f6b08d187 100644
--- a/firmware/microblaze/apps/burnrev31.c
+++ b/firmware/microblaze/apps/cruft/burnrev31.c
diff --git a/firmware/microblaze/apps/can_i_sub.c b/firmware/microblaze/apps/cruft/can_i_sub.c
index ed49791f0..ed49791f0 100644
--- a/firmware/microblaze/apps/can_i_sub.c
+++ b/firmware/microblaze/apps/cruft/can_i_sub.c
diff --git a/firmware/microblaze/apps/double_buffer_fragment.c b/firmware/microblaze/apps/cruft/double_buffer_fragment.c
index cfc061247..cfc061247 100644
--- a/firmware/microblaze/apps/double_buffer_fragment.c
+++ b/firmware/microblaze/apps/cruft/double_buffer_fragment.c
diff --git a/firmware/microblaze/apps/echo.c b/firmware/microblaze/apps/cruft/echo.c
index 89108ee80..89108ee80 100644
--- a/firmware/microblaze/apps/echo.c
+++ b/firmware/microblaze/apps/cruft/echo.c
diff --git a/firmware/microblaze/apps/eth_serdes.c b/firmware/microblaze/apps/cruft/eth_serdes.c
index 2d2ddc1ca..2d2ddc1ca 100644
--- a/firmware/microblaze/apps/eth_serdes.c
+++ b/firmware/microblaze/apps/cruft/eth_serdes.c
diff --git a/firmware/microblaze/apps/factory_test.c b/firmware/microblaze/apps/cruft/factory_test.c
index e1fbb0e40..e1fbb0e40 100644
--- a/firmware/microblaze/apps/factory_test.c
+++ b/firmware/microblaze/apps/cruft/factory_test.c
diff --git a/firmware/microblaze/apps/gen_eth_packets.c b/firmware/microblaze/apps/cruft/gen_eth_packets.c
index 4d521f6bf..4d521f6bf 100644
--- a/firmware/microblaze/apps/gen_eth_packets.c
+++ b/firmware/microblaze/apps/cruft/gen_eth_packets.c
diff --git a/firmware/microblaze/apps/gen_pause_frames.c b/firmware/microblaze/apps/cruft/gen_pause_frames.c
index 0f81dafff..0f81dafff 100644
--- a/firmware/microblaze/apps/gen_pause_frames.c
+++ b/firmware/microblaze/apps/cruft/gen_pause_frames.c
diff --git a/firmware/microblaze/apps/hello.c b/firmware/microblaze/apps/cruft/hello.c
index bce843093..bce843093 100644
--- a/firmware/microblaze/apps/hello.c
+++ b/firmware/microblaze/apps/cruft/hello.c
diff --git a/firmware/microblaze/apps/ibs_rx_test.c b/firmware/microblaze/apps/cruft/ibs_rx_test.c
index bdc04747e..bdc04747e 100644
--- a/firmware/microblaze/apps/ibs_rx_test.c
+++ b/firmware/microblaze/apps/cruft/ibs_rx_test.c
diff --git a/firmware/microblaze/apps/ibs_tx_test.c b/firmware/microblaze/apps/cruft/ibs_tx_test.c
index ff9446d92..ff9446d92 100644
--- a/firmware/microblaze/apps/ibs_tx_test.c
+++ b/firmware/microblaze/apps/cruft/ibs_tx_test.c
diff --git a/firmware/microblaze/apps/mimo_app_common_v2.c b/firmware/microblaze/apps/cruft/mimo_app_common_v2.c
index 5dbecb0d0..5dbecb0d0 100644
--- a/firmware/microblaze/apps/mimo_app_common_v2.c
+++ b/firmware/microblaze/apps/cruft/mimo_app_common_v2.c
diff --git a/firmware/microblaze/apps/mimo_app_common_v2.h b/firmware/microblaze/apps/cruft/mimo_app_common_v2.h
index 1e62ced37..1e62ced37 100644
--- a/firmware/microblaze/apps/mimo_app_common_v2.h
+++ b/firmware/microblaze/apps/cruft/mimo_app_common_v2.h
diff --git a/firmware/microblaze/apps/mimo_tx.c b/firmware/microblaze/apps/cruft/mimo_tx.c
index e0f8aa6fa..e0f8aa6fa 100644
--- a/firmware/microblaze/apps/mimo_tx.c
+++ b/firmware/microblaze/apps/cruft/mimo_tx.c
diff --git a/firmware/microblaze/apps/mimo_tx_slave.c b/firmware/microblaze/apps/cruft/mimo_tx_slave.c
index cdf9c03c2..cdf9c03c2 100644
--- a/firmware/microblaze/apps/mimo_tx_slave.c
+++ b/firmware/microblaze/apps/cruft/mimo_tx_slave.c
diff --git a/firmware/microblaze/apps/rcv_eth_packets.c b/firmware/microblaze/apps/cruft/rcv_eth_packets.c
index 03fc94354..03fc94354 100644
--- a/firmware/microblaze/apps/rcv_eth_packets.c
+++ b/firmware/microblaze/apps/cruft/rcv_eth_packets.c
diff --git a/firmware/microblaze/apps/read_dbids.c b/firmware/microblaze/apps/cruft/read_dbids.c
index 24c6d9ab4..24c6d9ab4 100644
--- a/firmware/microblaze/apps/read_dbids.c
+++ b/firmware/microblaze/apps/cruft/read_dbids.c
diff --git a/firmware/microblaze/apps/sd_bounce.c b/firmware/microblaze/apps/cruft/sd_bounce.c
index c1b48f170..c1b48f170 100644
--- a/firmware/microblaze/apps/sd_bounce.c
+++ b/firmware/microblaze/apps/cruft/sd_bounce.c
diff --git a/firmware/microblaze/apps/sd_gentest.c b/firmware/microblaze/apps/cruft/sd_gentest.c
index 35e912615..35e912615 100644
--- a/firmware/microblaze/apps/sd_gentest.c
+++ b/firmware/microblaze/apps/cruft/sd_gentest.c
diff --git a/firmware/microblaze/apps/serdes_to_dsp.c b/firmware/microblaze/apps/cruft/serdes_to_dsp.c
index 4994e0a69..4994e0a69 100644
--- a/firmware/microblaze/apps/serdes_to_dsp.c
+++ b/firmware/microblaze/apps/cruft/serdes_to_dsp.c
diff --git a/firmware/microblaze/apps/serdes_txrx.c b/firmware/microblaze/apps/cruft/serdes_txrx.c
index 2c47c9628..2c47c9628 100644
--- a/firmware/microblaze/apps/serdes_txrx.c
+++ b/firmware/microblaze/apps/cruft/serdes_txrx.c
diff --git a/firmware/microblaze/apps/set_hw_rev.c b/firmware/microblaze/apps/cruft/set_hw_rev.c
index d4ac8ff81..d4ac8ff81 100644
--- a/firmware/microblaze/apps/set_hw_rev.c
+++ b/firmware/microblaze/apps/cruft/set_hw_rev.c
diff --git a/firmware/microblaze/apps/test1.c b/firmware/microblaze/apps/cruft/test1.c
index c3cc3be56..c3cc3be56 100644
--- a/firmware/microblaze/apps/test1.c
+++ b/firmware/microblaze/apps/cruft/test1.c
diff --git a/firmware/microblaze/apps/test_db_spi.c b/firmware/microblaze/apps/cruft/test_db_spi.c
index f4fa98ef1..f4fa98ef1 100644
--- a/firmware/microblaze/apps/test_db_spi.c
+++ b/firmware/microblaze/apps/cruft/test_db_spi.c
diff --git a/firmware/microblaze/apps/test_i2c.c b/firmware/microblaze/apps/cruft/test_i2c.c
index f349ead88..f349ead88 100644
--- a/firmware/microblaze/apps/test_i2c.c
+++ b/firmware/microblaze/apps/cruft/test_i2c.c
diff --git a/firmware/microblaze/apps/test_lsadc.c b/firmware/microblaze/apps/cruft/test_lsadc.c
index 5fda29cd7..5fda29cd7 100644
--- a/firmware/microblaze/apps/test_lsadc.c
+++ b/firmware/microblaze/apps/cruft/test_lsadc.c
diff --git a/firmware/microblaze/apps/test_lsdac.c b/firmware/microblaze/apps/cruft/test_lsdac.c
index 8c1bf333b..8c1bf333b 100644
--- a/firmware/microblaze/apps/test_lsdac.c
+++ b/firmware/microblaze/apps/cruft/test_lsdac.c
diff --git a/firmware/microblaze/apps/test_phy_comm.c b/firmware/microblaze/apps/cruft/test_phy_comm.c
index d312ca4cc..d312ca4cc 100644
--- a/firmware/microblaze/apps/test_phy_comm.c
+++ b/firmware/microblaze/apps/cruft/test_phy_comm.c
diff --git a/firmware/microblaze/apps/test_ram.c b/firmware/microblaze/apps/cruft/test_ram.c
index 77ee693f6..77ee693f6 100644
--- a/firmware/microblaze/apps/test_ram.c
+++ b/firmware/microblaze/apps/cruft/test_ram.c
diff --git a/firmware/microblaze/apps/test_sd.c b/firmware/microblaze/apps/cruft/test_sd.c
index 494432d7f..494432d7f 100644
--- a/firmware/microblaze/apps/test_sd.c
+++ b/firmware/microblaze/apps/cruft/test_sd.c
diff --git a/firmware/microblaze/apps/timer_test.c b/firmware/microblaze/apps/cruft/timer_test.c
index 44e80b5f1..44e80b5f1 100644
--- a/firmware/microblaze/apps/timer_test.c
+++ b/firmware/microblaze/apps/cruft/timer_test.c
diff --git a/firmware/microblaze/apps/tx_standalone.c b/firmware/microblaze/apps/cruft/tx_standalone.c
index 1645fa8ba..1645fa8ba 100644
--- a/firmware/microblaze/apps/tx_standalone.c
+++ b/firmware/microblaze/apps/cruft/tx_standalone.c
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c
index f7f140121..092d216aa 100644
--- a/firmware/microblaze/apps/txrx_uhd.c
+++ b/firmware/microblaze/apps/txrx_uhd.c
@@ -41,7 +41,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include "clocks.h"
-#include <vrt/bits.h>
 #include "usrp2/fw_common.h"
 #include <i2c.h>
 #include <ethertype.h>
@@ -266,7 +265,7 @@ void handle_udp_ctrl_packet(
      * Peek and Poke Register
      ******************************************************************/
     case USRP2_CTRL_ID_POKE_THIS_REGISTER_FOR_ME_BRO:
-        if (ctrl_data_in->data.poke_args.addr < 0xC000){
+        if (0){//ctrl_data_in->data.poke_args.addr < 0xC000){
             printf("error! tried to poke into 0x%x\n", ctrl_data_in->data.poke_args.addr);
         }
         else switch(ctrl_data_in->data.poke_args.num_bytes){
@@ -484,7 +483,7 @@ main(void)
     int pending = pic_regs->pending;		// poll for under or overrun
 
     if (pending & PIC_UNDERRUN_INT){
-      dbsm_handle_tx_underrun(&dsp_tx_sm);
+      //dbsm_handle_tx_underrun(&dsp_tx_sm);
       pic_regs->pending = PIC_UNDERRUN_INT;	// clear interrupt
       putchar('U');
     }
diff --git a/firmware/microblaze/bootstrap b/firmware/microblaze/bootstrap
index 2343025cc..5786c1624 100755
--- a/firmware/microblaze/bootstrap
+++ b/firmware/microblaze/bootstrap
@@ -17,6 +17,7 @@
 #
 
 rm -rf *.cache
+rm -rf libusrp2/.deps
 
 aclocal
 autoconf
diff --git a/firmware/microblaze/config.guess b/firmware/microblaze/config.guess
deleted file mode 120000
index 405bc3235..000000000
--- a/firmware/microblaze/config.guess
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/automake-1.11/config.guess
\ No newline at end of file
diff --git a/firmware/microblaze/config.sub b/firmware/microblaze/config.sub
deleted file mode 120000
index 4d47fbcbc..000000000
--- a/firmware/microblaze/config.sub
+++ /dev/null
@@ -1 +0,0 @@
-/usr/share/automake-1.11/config.sub
\ No newline at end of file
diff --git a/firmware/microblaze/configure.ac b/firmware/microblaze/configure.ac
index 46968b7fb..e27bcb557 100644
--- a/firmware/microblaze/configure.ac
+++ b/firmware/microblaze/configure.ac
@@ -32,6 +32,7 @@ m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.64],
      [m4_define([_AC_LANG_IO_PROGRAM(]_GCC_LANG[)], m4_defn([AC_LANG_PROGRAM(]_GCC_LANG[)]))])]) 
 
 AC_PROG_CC([mb-gcc])
+AM_PROG_CC_C_O
 LT_INIT
 
 ##################################################
@@ -46,9 +47,6 @@ AC_PATH_PROG([HEXDUMP],    [hexdump])
 ##################################################
 AC_CONFIG_FILES([ \
     Makefile \
-    apps/Makefile \
-    include/Makefile \
-    include/net/Makefile \
-    lib/Makefile \
+    usrp2/Makefile \
 ])
 AC_OUTPUT
diff --git a/firmware/microblaze/include/.gitignore b/firmware/microblaze/include/.gitignore
deleted file mode 100644
index b336cc7ce..000000000
--- a/firmware/microblaze/include/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/Makefile
-/Makefile.in
diff --git a/firmware/microblaze/include/usrp2_fpga_regs.h b/firmware/microblaze/include/usrp2_fpga_regs.h
deleted file mode 100644
index b0f83df60..000000000
--- a/firmware/microblaze/include/usrp2_fpga_regs.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2007 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-
-#ifndef INCLUDED_USRP2_FPGA_REGS_H
-#define INCLUDED_USSRP2_FPGA_REGS_H
-
-#include "usrp2_cdefs.h"
-
-__U2_BEGIN_DECLS
-
-// ----------------------------------------------------------------
-
-#define	DSP_CORE_TX_BASE	128
-
-// DUC center frequency tuning word (phase increment)
-#define FR_TX_FREQ_0		(0 + DSP_CORE_TX_BASE)
-
-// I & Q output scaling, 16.0 format ((I_SCALE << 16) | Q_SCALE)
-#define FR_TX_SCALE_0		(1 + DSP_CORE_TX_BASE)
-
-// Tx interpolation rate (set to 1 less than desired rate)
-#define FR_TX_INTERP_RATE_0	(2 + DSP_CORE_TX_BASE)
-
-// Write 1 (actually anything) to clear tx state
-#define FR_TX_CLEAR_STATE_0	(3 + DSP_CORE_TX_BASE)
-
-// ----------------------------------------------------------------
-
-#define	DSP_CORE_RX_BASE	160
-
-// DDC center frequency tuning word (phase increment)
-#define FR_RX_FREQ_0		(0 + DSP_CORE_RX_BASE)
-
-// I & Q input scaling, 16.0 format ((I_SCALE << 16) | Q_SCALE)
-#define FR_RX_SCALE_0		(1 + DSP_CORE_RX_BASE)
-
-// Rx decimation rate (set to 1 less than desired rate)
-#define FR_RX_DECIM_RATE_0	(2 + DSP_CORE_RX_BASE)
-
-// The next two registers concatenated are the Rx command register.
-//
-// Writing FR_RX_TIME_TO_RX_0 writes the concatenated value into the
-// cmd queue.  Thus, if you're writing both, be sure to write
-// FR_RX_QTY_0 first.
-//
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |                          Timestamp                            |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-#define FR_RX_TIME_TO_RX	(3 + DSP_CORE_RX_BASE)
-
-//                          23-bits                       9-bits
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-//   |                number_of_lines              | lines_per_frame |
-//   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-
-#define FR_RX_QTY_0		(4 + DSP_CORE_RX_BASE)
-
-// write a 1 (anything actually) to clear the overrun 
-#define FR_RX_CLR_OVERRUN_0	(5 + DSP_CORE_RX_BASE)
-
-
-__U2_END_DECLS
-
-#endif /* INCLUDED_USRP2_FPGA_REGS_H */
diff --git a/firmware/microblaze/include/usrp2_i2c_addr.h b/firmware/microblaze/include/usrp2_i2c_addr.h
deleted file mode 100644
index 46f5a7556..000000000
--- a/firmware/microblaze/include/usrp2_i2c_addr.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2004,2007 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-
-#ifndef INCLUDED_USRP2_I2C_ADDR_H
-#define INCLUDED_USRP2_I2C_ADDR_H
-
-// I2C addresses
-
-#define I2C_DEV_EEPROM	0x50		// 24LC02[45]:  7-bits 1010xxx
-
-#define	I2C_ADDR_MBOARD	(I2C_DEV_EEPROM	| 0x0)
-#define	I2C_ADDR_TX_A	(I2C_DEV_EEPROM | 0x4)
-#define	I2C_ADDR_RX_A	(I2C_DEV_EEPROM | 0x5)
-
-
-// format of USRP2 motherboard rom
-//	00: 0x00	h/w rev (LSB)
-//	01: 0x00	h/w rev (MSB)
-//	02: 0x00	MAC addr 0
-//	03: 0x50	MAC addr 1
-//	04: 0xC2	MAC addr 2
-//	05: 0x85	MAC addr 3
-//	06: 0x3.	MAC addr 4
-//	07: 0x..	MAC addr 5
-
-#define MBOARD_REV_LSB	0x00
-#define	MBOARD_REV_MSB  0x01
-#define	MBOARD_MAC_ADDR 0x02
-#define MBOARD_IP_ADDR  0x0C
-
-
-// format of daughterboard EEPROM
-//	00: 0xDB	code for ``I'm a daughterboard''
-//	01:   ..	Daughterboard ID (LSB)
-//	02:   ..	Daughterboard ID (MSB)
-//	03:   ..	io bits  7-0 direction (bit set if it's an output from m'board)
-//	04:   ..	io bits 15-8 direction (bit set if it's an output from m'board)
-//	05:   ..	ADC0 DC offset correction (LSB)
-//	06:   ..	ADC0 DC offset correction (MSB)
-//	07:   ..	ADC1 DC offset correction (LSB)
-//	08:   ..	ADC1 DC offset correction (MSB)
-// 	...
-//	1f:   ..	negative of the sum of bytes [0x00, 0x1e]
-
-#define	DB_EEPROM_MAGIC		0x00
-#define	  DB_EEPROM_MAGIC_VALUE			0xDB
-#define	DB_EEPROM_ID_LSB		0x01
-#define	DB_EEPROM_ID_MSB		0x02
-#define	DB_EEPROM_OE_LSB		0x03
-#define	DB_EEPROM_OE_MSB		0x04
-#define	DB_EEPROM_OFFSET_0_LSB		0x05	// offset correction for ADC or DAC 0
-#define	DB_EEPROM_OFFSET_0_MSB		0x06
-#define	DB_EEPROM_OFFSET_1_LSB		0x07	// offset correction for ADC or DAC 1
-#define	DB_EEPROM_OFFSET_1_MSB		0x08
-#define	DB_EEPROM_CHKSUM		0x1f
-
-#define	DB_EEPROM_CLEN			0x20	// length of common portion of eeprom
-
-#define	DB_EEPROM_CUSTOM_BASE		DB_EEPROM_CLEN	// first avail offset for
-							//   daughterboard specific use
-
-#endif /* INCLUDED_USRP2_I2C_ADDR_H */
-
diff --git a/firmware/microblaze/include/usrp2_types.h b/firmware/microblaze/include/usrp2_types.h
deleted file mode 100644
index fe45936f0..000000000
--- a/firmware/microblaze/include/usrp2_types.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2008 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-#ifndef INCLUDED_USRP2_TYPES_H
-#define INCLUDED_USRP2_TYPES_H
-
-#include <stdint.h>
-
-/*!
- * \brief Fixed point representation of a frequency in Hertz (VITA-49 compatible)
- *
- * 64-bit two's complement, with the radix point 20 bits up from the bottom. 
- * Q44.20 format (20 bits to the right of the radix point)
- *
- * Values range from +/- 8.79 terahertz with a resolution of 0.95 microhertz.
- */
-typedef int64_t	u2_fxpt_freq_t;
-
-#define U2_FPF_RP	20	// location of radix point in u2_fxpt_freq_t
-
-// macro so we can init structs at compile time
-#define U2_DOUBLE_TO_FXPT_FREQ(f) (int64_t)((f) * (1LL << U2_FPF_RP))
-
-static inline u2_fxpt_freq_t
-u2_double_to_fxpt_freq(double f)
-{
-  return U2_DOUBLE_TO_FXPT_FREQ(f);
-}
-
-static inline int
-u2_fxpt_freq_round_to_int(u2_fxpt_freq_t fx)
-{
-  return (int)((fx+(1<<(U2_FPF_RP-1)))>>U2_FPF_RP);
-}
-
-static inline double
-u2_fxpt_freq_to_double(u2_fxpt_freq_t fx)
-{
-  return ((double) fx) * 1.0/(1 << U2_FPF_RP);
-}
-
-static inline uint32_t
-u2_fxpt_freq_hi(u2_fxpt_freq_t f)
-{
-  return ((f >> 32) & 0xffffffff);
-}
-
-static inline uint32_t
-u2_fxpt_freq_lo(u2_fxpt_freq_t f)
-{
-  return (f & 0xffffffff);
-}
-
-static inline u2_fxpt_freq_t
-u2_fxpt_freq_from_hilo(uint32_t hi, uint32_t lo)
-{
-  return (((u2_fxpt_freq_t) hi) << 32) | lo;
-}
-
-/*!
- * \brief Fixed point representation of a gain in dB (VITA-49 compatible)
- *
- * 16-bit two's complement, with the radix point 7 bits up from the bottom. 
- * Q9.7 format (7 bits to the right of the radix point)
- */
-typedef int16_t u2_fxpt_gain_t;
-
-#define U2_FPG_RP	7	// location of radix point in u2_fxpt_gain_t
-
-// macro so we can init structs at compile time
-#define U2_DOUBLE_TO_FXPT_GAIN(g) (int16_t)((g) * (1 << U2_FPG_RP))
-
-static inline u2_fxpt_gain_t
-u2_double_to_fxpt_gain(double g)
-{
-  return U2_DOUBLE_TO_FXPT_GAIN(g);
-}
-
-static inline float
-u2_fxpt_gain_to_double(u2_fxpt_gain_t fx)
-{
-  return ((double) fx) * 1.0/(1 << U2_FPG_RP);
-}
-
-static inline int
-u2_fxpt_gain_round_to_int(u2_fxpt_gain_t fx)
-{ 
-  return (int)((fx+(1<<(U2_FPG_RP-1)))>>U2_FPG_RP);
-}
-
-#endif /* INCLUDED_USRP2_TYPES_H */
diff --git a/firmware/microblaze/include/vrt/bits.h b/firmware/microblaze/include/vrt/bits.h
deleted file mode 100644
index 54eeec7b4..000000000
--- a/firmware/microblaze/include/vrt/bits.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-#ifndef INCLUDED_VRT_BITS_H
-#define INCLUDED_VRT_BITS_H
-
-#include <stdint.h>
-
-
-/* VRT Header bits */
-
-#define	VRTH_PT_MASK		  (0xf << 28)
-#define	VRTH_PT_IF_DATA_NO_SID	  (0x0 << 28)	// IF-Data, no stream id
-#define	VRTH_PT_IF_DATA_WITH_SID  (0x1 << 28)	// IF-Data, w/ stream id
-#define VRTH_PT_EXT_DATA_NO_SID	  (0x2 << 28)
-#define	VRTH_PT_EXT_DATA_WITH_SID (0x3 << 28)
-#define	VRTH_PT_IF_CONTEXT	  (0x4 << 28)
-#define	VRTH_PT_EXT_CONTEXT	  (0x5 << 28)
-
-#define	VRTH_HAS_CLASSID	  (1 << 27)
-#define	VRTH_HAS_TRAILER	  (1 << 26)	// Data pkts only
-#define	VRTH_START_OF_BURST	  (1 << 25)	// Data (Tx) pkts only
-#define	VRTH_END_OF_BURST	  (1 << 24)	// Data (Tx) pkts only
-#define	VRTH_TSM		  (1 << 24)	// Context pkts only
-
-#define	VRTH_TSI_MASK		  (0x3 << 22)
-#define	VRTH_TSI_NONE		  (0x0 << 22)
-#define	VRTH_TSI_UTC		  (0x1 << 22)
-#define	VRTH_TSI_GPS		  (0x2 << 22)
-#define VRTH_TSI_OTHER		  (0x3 << 22)
-
-#define	VRTH_TSF_MASK		  (0x3 << 20)
-#define	VRTH_TSF_NONE		  (0x0 << 20)
-#define	VRTH_TSF_SAMPLE_CNT	  (0x1 << 20)
-#define	VRTH_TSF_REAL_TIME_PS	  (0x2 << 20)
-#define	VRTH_TSF_FREE_RUNNING	  (0x3 << 20)
-
-#define	VRTH_PKT_CNT_SHIFT	  16
-#define	VRTH_PKT_CNT_MASK	  (0xf << 16)
-
-#define	VRTH_PKT_SIZE_MASK	  0xffff		    
-
-
-static inline int
-vrth_pkt_cnt(uint32_t h)
-{
-  return (h & VRTH_PKT_CNT_MASK) >> 16;
-}
-
-static inline int
-vrth_pkt_size(uint32_t h)
-{
-  return h & VRTH_PKT_SIZE_MASK;
-}
-
-/*
- * Trailer bits
- */
-#define	TR_E		      (1 << 8)
-
-#define TR_ENABLE(x) ((x) << 20)
-#define	TR_STATE(x)  ((x) <<  8)
-
-// Use these with TR_ENABLE and TR_STATE
-#define	TR_CAL_TIME	      (1 << 11)
-#define	TR_VALID_DATA	      (1 << 10)
-#define TR_REF_LOCK	      (1 <<  9)
-#define	TR_AGC		      (1 <<  8)
-#define TR_DETECTED_SIG	      (1 <<  7)
-#define	TR_SPECTRAL_INVERSION (1 <<  6)
-#define	TR_OVER_RANGE	      (1 <<  5)
-#define	TR_SAMPLE_LOSS	      (1 <<  4)
-#define TR_USER_3	      (1 <<  3)
-#define TR_USER_2	      (1 <<  2)
-#define TR_USER_1	      (1 <<  1)
-#define TR_USER_0	      (1 <<  0)
-
-#endif /* INCLUDED_VRT_BITS_H */
diff --git a/firmware/microblaze/include/vrt/types.h b/firmware/microblaze/include/vrt/types.h
deleted file mode 100644
index edfa4ec37..000000000
--- a/firmware/microblaze/include/vrt/types.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2009 Free Software Foundation, Inc.
- *
- * 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/>.
- */
-#ifndef INCLUDED_VRT_TYPES_H
-#define INCLUDED_VRT_TYPES_H
-
-#include <stdint.h>
-
-/* macros for dealing with fixed point numbers */
-#define _FXPT_C(_type, _x, _rp) ((_type)((_x)*(1ll << _rp)))
-#define _FXPT_TO_INT(_x, _one) (((_x) + ((_one)/2))/(_one))
-#define _FXPT_TO_DOUBLE(_x, _one) ((double)(_x) * (1.0/(_one)))
-
-/***********************************************************************
- * The VRT Altitude Type (meters)
- **********************************************************************/
-typedef int32_t vrt_altitude_t;
-#define VRT_ALTITUDE_RP 5
-#define VRT_ALTITUDE_C(_x) _FXPT_C(vrt_altitude_t, _x, VRT_ALTITUDE_RP)
-
-static inline vrt_altitude_t
-double_to_vrt_altitude(double num){
-  return VRT_ALTITUDE_C(num);
-}
-
-static inline int32_t
-vrt_altitude_round_to_int(vrt_altitude_t fx){
-  return _FXPT_TO_INT(fx, VRT_ALTITUDE_C(1));
-}
-
-static inline double
-vrt_altitude_to_double(vrt_altitude_t fx){
-  return _FXPT_TO_DOUBLE(fx, VRT_ALTITUDE_C(1));
-}
-
-/***********************************************************************
- * The VRT Geolocation Angle Type (degrees)
- **********************************************************************/
-typedef int32_t vrt_geo_angle_t;
-#define VRT_GEO_ANGLE_RP 22
-#define VRT_GEO_ANGLE_C(_x) _FXPT_C(vrt_geo_angle_t, _x, VRT_GEO_ANGLE_RP)
-
-static inline vrt_geo_angle_t
-double_to_vrt_geo_angle(double num){
-  return VRT_GEO_ANGLE_C(num);
-}
-
-static inline int16_t
-vrt_geo_angle_round_to_int(vrt_geo_angle_t fx){
-  return _FXPT_TO_INT(fx, VRT_GEO_ANGLE_C(1));
-}
-
-static inline double
-vrt_geo_angle_to_double(vrt_geo_angle_t fx){
-  return _FXPT_TO_DOUBLE(fx, VRT_GEO_ANGLE_C(1));
-}
-
-/***********************************************************************
- * The VRT Frequency Type (Hz)
- **********************************************************************/
-typedef int64_t vrt_freq_t;
-#define VRT_FREQ_RP 20
-#define VRT_FREQ_C(_x) _FXPT_C(vrt_freq_t, _x, VRT_FREQ_RP)
-
-static inline vrt_freq_t
-double_to_vrt_freq(double num){
-  return VRT_FREQ_C(num);
-}
-
-static inline int64_t
-vrt_freq_round_to_int(vrt_freq_t fx){
-  return _FXPT_TO_INT(fx, VRT_FREQ_C(1));
-}
-
-static inline double
-vrt_freq_to_double(vrt_freq_t fx){
-  return _FXPT_TO_DOUBLE(fx, VRT_FREQ_C(1));
-}
-
-/***********************************************************************
- * The VRT Gain Type (dB)
- **********************************************************************/
-typedef int16_t vrt_gain_t;
-#define VRT_GAIN_RP 7
-#define VRT_GAIN_C(_x) _FXPT_C(vrt_gain_t, _x, VRT_GAIN_RP)
-
-static inline vrt_gain_t
-double_to_vrt_gain(double num){
-  return VRT_GAIN_C(num);
-}
-
-static inline int16_t
-vrt_gain_round_to_int(vrt_gain_t fx){
-  return _FXPT_TO_INT(fx, VRT_GAIN_C(1));
-}
-
-static inline double
-vrt_gain_to_double(vrt_gain_t fx){
-  return _FXPT_TO_DOUBLE(fx, VRT_GAIN_C(1));
-}
-
-/***********************************************************************
- * The VRT Temperature Type (Celcius)
- **********************************************************************/
-typedef int16_t vrt_temp_t;
-#define VRT_TEMP_RP 6
-#define VRT_TEMP_C(_x) _FXPT_C(vrt_temp_t, _x, VRT_TEMP_RP)
-
-static inline vrt_temp_t
-double_to_vrt_temp(double num){
-  return VRT_TEMP_C(num);
-}
-
-static inline int16_t
-vrt_temp_round_to_int(vrt_temp_t fx){
-  return _FXPT_TO_INT(fx, VRT_TEMP_C(1));
-}
-
-static inline double
-vrt_temp_to_double(vrt_temp_t fx){
-  return _FXPT_TO_DOUBLE(fx, VRT_TEMP_C(1));
-}
-
-#endif /* INCLUDED_VRT_TYPES_H */
diff --git a/firmware/microblaze/lib/.gitignore b/firmware/microblaze/lib/.gitignore
deleted file mode 100644
index 5d838bf6c..000000000
--- a/firmware/microblaze/lib/.gitignore
+++ /dev/null
@@ -1,40 +0,0 @@
-*~
-/*-stamp
-/*.a
-/*.bin
-/*.dump
-/*.log
-/*.rom
-/.deps
-/Makefile
-/Makefile.in
-/aclocal.m4
-/autom4te.cache
-/blink_leds
-/blink_leds2
-/build
-/compile
-/config.h
-/config.h.in
-/config.log
-/config.status
-/configure
-/depcomp
-/eth_test
-/gen_eth_packets
-/ibs_rx_test
-/ibs_tx_test
-/install-sh
-/libtool
-/ltmain.sh
-/missing
-/py-compile
-/rcv_eth_packets
-/run_tests.sh
-/stamp-h1
-/test1
-/test_phy_comm
-/timer_test
-/buf_ram_test
-/buf_ram_zero
-/hello
diff --git a/firmware/microblaze/lib/Makefile.am b/firmware/microblaze/lib/Makefile.am
deleted file mode 100644
index b51d74463..000000000
--- a/firmware/microblaze/lib/Makefile.am
+++ /dev/null
@@ -1,87 +0,0 @@
-#
-# Copyright 2010 Ettus Research LLC
-#
-# Copyright 2007 Free Software Foundation, Inc.
-#
-# 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/>.
-#
-
-include $(top_srcdir)/Makefile.common
-
-noinst_LIBRARIES = \
-	libu2fw.a
-
-libu2fw_a_SOURCES = \
-	abort.c \
-	ad9510.c \
-	bsm12.c \
-	buffer_pool.c \
-	clocks.c \
-	dbsm.c \
-	eeprom.c \
-	ethernet.c \
-	eth_mac.c \
-	_exit.c \
-	exit.c \
-	hal_io.c \
-	hal_uart.c \
-	i2c.c \
-	mdelay.c \
-	memcpy_wa.c \
-	memset_wa.c \
-	nonstdio.c \
-	pic.c \
-	print_mac_addr.c \
-	print_rmon_regs.c \
-	print_buffer.c \
-	printf.c \
-	sd.c \
-	spi.c \
-	u2_init.c \
-	net_common.c \
-	arp_cache.c \
-	banal.c
-
-noinst_HEADERS = \
-	ad9510.h \
-	bsm12.h \
-	buffer_pool.h \
-	clocks.h \
-	dbsm.h \
-	eth_mac.h \
-	eth_mac_regs.h \
-	eth_phy.h \
-	ethernet.h \
-	hal_io.h \
-	hal_uart.h \
-	i2c.h \
-	mdelay.h \
-	memcpy_wa.h \
-	memory_map.h \
-	memset_wa.h \
-	nonstdio.h \
-	pic.h \
-	print_rmon_regs.h \
-	sd.h \
-	spi.h \
-	stdint.h \
-	stdio.h \
-	u2_init.h \
-	usrp2_bytesex.h \
-	wb16550.h \
-	net_common.h \
-	if_arp.h \
-	arp_cache.h \
-	banal.h \
-	ethertype.h
diff --git a/firmware/microblaze/lib/Makefile.inc b/firmware/microblaze/lib/Makefile.inc
new file mode 100644
index 000000000..a576d1ccb
--- /dev/null
+++ b/firmware/microblaze/lib/Makefile.inc
@@ -0,0 +1,47 @@
+#
+# Copyright 2010 Ettus Research LLC
+#
+# Copyright 2007 Free Software Foundation, Inc.
+#
+# 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/>.
+#
+
+COMMON_SRCS = \
+	$(top_srcdir)/lib/u2_init.c \
+	$(top_srcdir)/lib/abort.c \
+	$(top_srcdir)/lib/ad9510.c \
+	$(top_srcdir)/lib/bsm12.c \
+	$(top_srcdir)/lib/buffer_pool.c \
+	$(top_srcdir)/lib/clocks.c \
+	$(top_srcdir)/lib/dbsm.c \
+	$(top_srcdir)/lib/eeprom.c \
+	$(top_srcdir)/lib/eth_mac.c \
+	$(top_srcdir)/lib/_exit.c \
+	$(top_srcdir)/lib/exit.c \
+	$(top_srcdir)/lib/hal_io.c \
+	$(top_srcdir)/lib/hal_uart.c \
+	$(top_srcdir)/lib/i2c.c \
+	$(top_srcdir)/lib/mdelay.c \
+	$(top_srcdir)/lib/memcpy_wa.c \
+	$(top_srcdir)/lib/memset_wa.c \
+	$(top_srcdir)/lib/nonstdio.c \
+	$(top_srcdir)/lib/pic.c \
+	$(top_srcdir)/lib/print_mac_addr.c \
+	$(top_srcdir)/lib/print_rmon_regs.c \
+	$(top_srcdir)/lib/print_buffer.c \
+	$(top_srcdir)/lib/printf.c \
+	$(top_srcdir)/lib/spi.c \
+	$(top_srcdir)/lib/net_common.c \
+	$(top_srcdir)/lib/arp_cache.c \
+	$(top_srcdir)/lib/banal.c
diff --git a/firmware/microblaze/include/usrp2_clock_bits.h b/firmware/microblaze/lib/clock_bits.h
index d2052e941..d2052e941 100644
--- a/firmware/microblaze/include/usrp2_clock_bits.h
+++ b/firmware/microblaze/lib/clock_bits.h
diff --git a/firmware/microblaze/lib/clocks.c b/firmware/microblaze/lib/clocks.c
index ccc4a7cc7..2b352a385 100644
--- a/firmware/microblaze/lib/clocks.c
+++ b/firmware/microblaze/lib/clocks.c
@@ -25,40 +25,60 @@
 #include "ad9510.h"
 #include "spi.h"
 #include "u2_init.h"
-#include "nonstdio.h"
+
+//USRP2PLUS clocks:
+//Clock 0: testclk
+//Clock 1: FPGA clk
+//Clock 2: ADC clk
+//Clock 3: DAC clk
+//Clock 4: SER clk
+//Clock 5: TX dboard clk
+//Clock 6: EXP clk
+//Clock 7: RX dboard clk
+
+//TODO: should have enough brains to init the FPGA clock for USRP2+. all others are suspect.
+//note that without EEPROM support u2_hw_rev_major is going to be incorrect.
 
 void 
 clocks_init(void)
 {
   // Set up basic clocking functions in AD9510
-  ad9510_write_reg(0x45, 0x00); // CLK2 drives distribution
+  ad9510_write_reg(0x45, 0x01); // CLK2 drives distribution
 
+  //enable the 100MHz clock output to the FPGA for 50MHz CPU clock
   clocks_enable_fpga_clk(true, 1);
 
   spi_wait();
 
   // Set up PLL for 10 MHz reference
   // Reg 4, A counter, Don't Care
-  ad9510_write_reg(0x05, 0x00);  // Reg 5, B counter MSBs, 0
-  ad9510_write_reg(0x06, 0x05);  // Reg 6, B counter LSBs, 5
+//  ad9510_write_reg(0x05, 0x00);  // Reg 5, B counter MSBs, 0
+//  ad9510_write_reg(0x06, 0x05);  // Reg 6, B counter LSBs, 5
   // Reg 7, Loss of reference detect, doesn't work yet, 0
-  ad9510_write_reg(0x5A, 0x01); // Update Regs
+//  ad9510_write_reg(0x5A, 0x01); // Update Regs
 
   // Primary clock configuration
-  clocks_mimo_config(MC_WE_DONT_LOCK);
+//  clocks_mimo_config(MC_WE_DONT_LOCK);
+
+
+  //wait for the clock to stabilize
+  while(!clocks_lock_detect());
+
+  //issue a reset to the DCM so it locks up to the new freq
+  output_regs->clk_ctrl |= CLK_RESET;
 
   // Set up other clocks
   //clocks_enable_test_clk(false, 0);
   //clocks_enable_tx_dboard(false, 0);
   //clocks_enable_rx_dboard(false, 0);
-  clocks_enable_eth_phyclk(false, 0);
+//  clocks_enable_eth_phyclk(false, 0); //PHY clk is separate now (u2r4, u2p)
 
   // Enable clock to ADCs and DACs
   //clocks_enable_dac_clk(true, 1);
   //clocks_enable_adc_clk(true, 1);
 }
 
-
+/*
 void
 clocks_mimo_config(int flags)
 {
@@ -86,7 +106,7 @@ clocks_mimo_config(int flags)
   spi_wait();
   
   // Allow for clock switchover
-  
+  // The below masks include 0x10, which issues a reset to the DCM.  
   if (flags & _MC_WE_LOCK){		// WE LOCK
     if (flags & _MC_MIMO_CLK_INPUT) {
       // Turn on ref output and choose the MIMO connector
@@ -103,18 +123,17 @@ clocks_mimo_config(int flags)
   }
 
   // Do we drive a clock onto the MIMO connector?
-  if (flags & MC_PROVIDE_CLK_TO_MIMO)
-    clocks_enable_clkexp_out(true,10);
-  else
-    clocks_enable_clkexp_out(false,0); 
+//  if (flags & MC_PROVIDE_CLK_TO_MIMO)
+//    clocks_enable_clkexp_out(true,10);
+//  else
+//    clocks_enable_clkexp_out(false,0); 
 }
+*/
 
 bool 
 clocks_lock_detect()
 {
-  if(pic_regs->pending & PIC_CLKSTATUS)
-    return true;
-  return false;
+    return (pic_regs->pending & PIC_CLKSTATUS);
 }
 
 int inline
@@ -136,21 +155,23 @@ clocks_gen_div(int divisor)
 #define CLOCK_MODE_LVDS 2
 #define CLOCK_MODE_CMOS 3
 
+//CHANGED: set to PECL for default behavior
 void 
 clocks_enable_XXX_clk(bool enable, int divisor, int reg_en, int reg_div, int mode)
 {
   int enable_word, div_word, div_en_word;
 
   switch(mode) {
-  case CLOCK_MODE_PECL :
-    enable_word = enable ? 0x08 : 0x0A;
-    break;
   case CLOCK_MODE_LVDS :
     enable_word = enable ? 0x02 : 0x03;
     break;
   case CLOCK_MODE_CMOS :
     enable_word = enable ? 0x08 : 0x09;
     break;
+  case CLOCK_MODE_PECL :
+	default:
+    enable_word = enable ? 0x08 : 0x0A;
+    break;
   }
   if(enable && (divisor>1)) {
     div_word = clocks_gen_div(divisor);
@@ -180,8 +201,8 @@ clocks_enable_fpga_clk(bool enable, int divisor)
 {
   clocks_enable_XXX_clk(enable,divisor,0x3D,0x4A,CLOCK_MODE_PECL);
 }
-
-// Clock 2 on Rev 3, Clock 5 on Rev 4
+/*
+// Clock 2 on Rev 3, Clock 5 on Rev 4, Clock 6 on USRP2+
 void
 clocks_enable_clkexp_out(bool enable, int divisor)
 {
@@ -192,13 +213,19 @@ clocks_enable_clkexp_out(bool enable, int divisor)
     ad9510_write_reg(0x35,0x00);  // Set Full Scale to nearly 10ns
     ad9510_write_reg(0x36,0x1c);  // Set fine delay.  0x20 is midscale
     clocks_enable_XXX_clk(enable,divisor,0x41,0x52,CLOCK_MODE_LVDS);
-    
   }
+	else if(u2_hw_rev_major == 10) {
+		ad9510_write_reg(0x34, 0x00);
+		ad9510_write_reg(0x35, 0x00);
+		ad9510_write_reg(0x36, 0x1C);
+		clocks_enable_XXX_clk(enable, divisor, 0x42, 0x52, CLOCK_MODE_LVDS);
+	}
   else
-    putstr("ERR: Invalid Rev\n");
+    putstr("ERR (clocks_enable_clkexp_out): Invalid hw rev, don't know what to do!\n");
 }
-
-// Clock 5 on Rev 3, none (was 2) on Rev 4
+*/
+/*
+// Clock 5 on Rev 3, none (was 2) on Rev 4, none on USRP2+
 void
 clocks_enable_eth_phyclk(bool enable, int divisor)
 {
@@ -207,9 +234,9 @@ clocks_enable_eth_phyclk(bool enable, int divisor)
   else if(u2_hw_rev_major == 4)
     clocks_enable_XXX_clk(enable,divisor,0x3E,0x4C,CLOCK_MODE_PECL);
   else
-    putstr("ERR: Invalid Rev\n");
+    putstr("(clocks_enable_eth_phyclk): no eth PHY clock or invalid hw rev\n"); //not really an error
 }
-
+*/
 // Clock 3
 /*void
 clocks_enable_dac_clk(bool enable, int divisor)
diff --git a/firmware/microblaze/lib/clocks.h b/firmware/microblaze/lib/clocks.h
index 43d5a05c2..28d1d542f 100644
--- a/firmware/microblaze/lib/clocks.h
+++ b/firmware/microblaze/lib/clocks.h
@@ -26,7 +26,7 @@
  */
 
 #include <stdbool.h>
-#include <usrp2_clock_bits.h>
+#include "clock_bits.h"
 
 
 /*!
@@ -43,7 +43,7 @@ void clocks_init(void);
  * Configure our master clock source, and whether or not we drive a
  * clock onto the mimo connector.  See MC_flags in usrp2_mimo_config.h.
  */
-void clocks_mimo_config(int flags);
+//void clocks_mimo_config(int flags);
 
 /*!
  * \brief Lock Detect -- Return True if our PLL is locked
@@ -63,12 +63,12 @@ void clocks_enable_fpga_clk(bool enable, int divisor);
 /*!
  * \brief Enable or disable clock output sent to MIMO connector
  */
-void clocks_enable_clkexp_out(bool enable, int divisor);
+//void clocks_enable_clkexp_out(bool enable, int divisor);
 
 /*!
  * \brief Enable or disable ethernet phyclk, should always be disabled
  */
-void clocks_enable_eth_phyclk(bool enable, int divisor);
+//void clocks_enable_eth_phyclk(bool enable, int divisor);
 
 /*!
  * \brief Enable or disable clock to DAC
diff --git a/firmware/microblaze/include/compiler.h b/firmware/microblaze/lib/compiler.h
index 4fa9b49f8..4fa9b49f8 100644
--- a/firmware/microblaze/include/compiler.h
+++ b/firmware/microblaze/lib/compiler.h
diff --git a/firmware/microblaze/lib/eth_mac.c b/firmware/microblaze/lib/eth_mac.c
index 375d3f4d4..034a4d494 100644
--- a/firmware/microblaze/lib/eth_mac.c
+++ b/firmware/microblaze/lib/eth_mac.c
@@ -83,14 +83,6 @@ eth_mac_read_rmon(int addr)
 int
 eth_mac_miim_read(int addr)
 {
-  if (hwconfig_simulation_p()){
-    switch(addr){
-    case PHY_LINK_AN:
-      return LANSR_MASTER | LANSR_LINK_GOOD | LANSR_SPEED_1000;
-    default:
-      return 0;
-    }
-  }
 
   int phy_addr = PHY_ADDR;
   eth_mac->miiaddress = ((addr & 0x1f) << 8) | phy_addr;
@@ -112,7 +104,7 @@ eth_mac_miim_write(int addr, int value)
   eth_mac->miitx_data = value;
   eth_mac->miicommand = MIIC_WCTRLDATA;
 
-  //printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
+//  printf("MIIM-WRITE ADDR 0x%x VAL 0x%x\n",addr,value);
   while((eth_mac->miistatus & MIIS_BUSY) != 0)
     ;
 }
diff --git a/firmware/microblaze/lib/hal_io.c b/firmware/microblaze/lib/hal_io.c
index 0afd6a2cc..58b1e681e 100644
--- a/firmware/microblaze/lib/hal_io.c
+++ b/firmware/microblaze/lib/hal_io.c
@@ -193,3 +193,13 @@ puts(const char *s)
   putchar('\n');
   return 0;
 }
+
+char *
+gets(char * const s)
+{
+	char *x = s;
+	while((*x=(char)hal_uart_getc()) != '\n') x++;
+	*x = 0;
+	return s;
+}
+
diff --git a/firmware/microblaze/lib/hal_io.h b/firmware/microblaze/lib/hal_io.h
index d8967f063..c67d96c62 100644
--- a/firmware/microblaze/lib/hal_io.h
+++ b/firmware/microblaze/lib/hal_io.h
@@ -23,6 +23,7 @@
 
 void hal_io_init(void);
 void hal_finish();
+char *gets(char * const s);
 
 /*
  * ------------------------------------------------------------------------
diff --git a/firmware/microblaze/lib/hal_uart.c b/firmware/microblaze/lib/hal_uart.c
index 75b12b432..fe3b7515a 100644
--- a/firmware/microblaze/lib/hal_uart.c
+++ b/firmware/microblaze/lib/hal_uart.c
@@ -39,16 +39,25 @@ divisor_table[MAX_WB_DIV+1][NSPEEDS] = {
 
 #define u uart_regs
 
+static char uart_mode = UART_MODE_ONLCR;
+
+void
+hal_uart_set_mode(int mode)
+{
+  uart_mode = mode;
+}
+
 void
 hal_uart_init(void)
 {
+	hal_uart_set_mode(UART_MODE_ONLCR);
   u->clkdiv = 217;  // 230400 bps
 }
 
 void
 hal_uart_putc(int ch)
 {
-  if (ch == '\n')		// FIXME for now map \n -> \r\n
+  if (ch == '\n')// && (uart_mode == UART_MODE_ONLCR))		//map \n->\r\n if necessary
     hal_uart_putc('\r');
 
   while (u->txlevel == 0)	 // wait for fifo to have space
@@ -60,7 +69,7 @@ hal_uart_putc(int ch)
 void
 hal_uart_putc_nowait(int ch)
 {
-  if (ch == '\n')		// FIXME for now map \n -> \r\n
+  if (ch == '\n')// && (uart_mode == UART_MODE_ONLCR))		//map \n->\r\n if necessary
     hal_uart_putc('\r');
 
   if(u->txlevel)   // If fifo has space
diff --git a/firmware/microblaze/lib/hal_uart.h b/firmware/microblaze/lib/hal_uart.h
index 2ddfa6259..dfd73c323 100644
--- a/firmware/microblaze/lib/hal_uart.h
+++ b/firmware/microblaze/lib/hal_uart.h
@@ -19,6 +19,16 @@
 #ifndef INCLUDED_HAL_UART_H
 #define INCLUDED_HAL_UART_H
 
+/*!
+ * \brief uart mode flags
+ */
+#define	UART_MODE_RAW		0x0000	// no mapping on input or output
+#define	UART_MODE_ONLCR	0x0001	// map \n to \r\n on output (default)
+
+/*
+ * \brief Set uart mode
+ */
+void hal_uart_set_mode(int flags);
 
 /*!
  * \brief one-time call to init
diff --git a/firmware/microblaze/include/net/.gitignore b/firmware/microblaze/lib/net/.gitignore
index 282522db0..282522db0 100644
--- a/firmware/microblaze/include/net/.gitignore
+++ b/firmware/microblaze/lib/net/.gitignore
diff --git a/firmware/microblaze/include/net/eth_mac_addr.h b/firmware/microblaze/lib/net/eth_mac_addr.h
index b44fb68f7..b44fb68f7 100644
--- a/firmware/microblaze/include/net/eth_mac_addr.h
+++ b/firmware/microblaze/lib/net/eth_mac_addr.h
diff --git a/firmware/microblaze/include/net/padded_eth_hdr.h b/firmware/microblaze/lib/net/padded_eth_hdr.h
index df816734f..df816734f 100644
--- a/firmware/microblaze/include/net/padded_eth_hdr.h
+++ b/firmware/microblaze/lib/net/padded_eth_hdr.h
diff --git a/firmware/microblaze/include/net/socket_address.h b/firmware/microblaze/lib/net/socket_address.h
index 336f30a0c..336f30a0c 100644
--- a/firmware/microblaze/include/net/socket_address.h
+++ b/firmware/microblaze/lib/net/socket_address.h
diff --git a/firmware/microblaze/lib/nonstdio.c b/firmware/microblaze/lib/nonstdio.c
index 1c991afee..4b5fa4123 100644
--- a/firmware/microblaze/lib/nonstdio.c
+++ b/firmware/microblaze/lib/nonstdio.c
@@ -78,3 +78,46 @@ puthex32_nl(unsigned long x)
   puthex32(x);
   newline();
 }
+/*
+void reverse(char s[])
+{
+    int c, i, j;
+
+    for (i = 0, j = strlen(s)-1; i<j; i++, j--) {
+        c = s[i];
+        s[i] = s[j];
+        s[j] = c;
+    }
+}
+
+int abs(signed long value) {
+	return (value >= 0) ? value : 0-value;
+}
+
+//we'll keep the puthex functions above because they're way more lightweight. but sometimes you just want to print in decimal, you know?
+char *itoa(signed long value, char *result, int base)
+{
+	// check that the base if valid
+	if (base < 2 || base > 16) { *result = 0; return result; }
+
+	char* out = result;
+	signed long quotient = value;
+
+	do {
+		*out = hex[ abs(quotient % base) ];
+		++out;
+		quotient /= base;
+	} while ( quotient );
+
+	// Only apply negative sign for base 10
+	if ( value < 0 && base == 10) *out++ = '-';
+
+	*out = 0;
+	reverse( result );
+
+	return result;
+
+}
+*/
+
+
diff --git a/firmware/microblaze/lib/nonstdio.h b/firmware/microblaze/lib/nonstdio.h
index 3fd9e39bb..62ebfa46d 100644
--- a/firmware/microblaze/lib/nonstdio.h
+++ b/firmware/microblaze/lib/nonstdio.h
@@ -1,4 +1,6 @@
-/* -*- c -*- */
+//
+// Copyright 2010 Ettus Research LLC
+//
 /*
  * Copyright 2007 Free Software Foundation, Inc.
  *
@@ -20,7 +22,7 @@
 #define INCLUDED_NONSTDIO_H
 
 #include <stdio.h>
-#include <usrp2_types.h>
+#include <stdint.h>
 #include <stddef.h>
 
 void putstr(const char *s);		// cf puts, no added newline
@@ -37,10 +39,10 @@ void puthex32_nl(unsigned long x);
 void newline();				// putchar('\n')
 
 void print_mac_addr(const unsigned char addr[6]);
-void print_fxpt_freq(u2_fxpt_freq_t v);
-void print_fxpt_gain(u2_fxpt_gain_t v);
 void print_uint64(uint64_t v);
 
 void print_buffer(uint32_t *buf, size_t n);
+//char *itoa(signed long value, char *result, int base);
+//void reverse(char s[]);
 
 #endif /* INCLUDED_NONSTDIO_H */
diff --git a/firmware/microblaze/lib/pic.c b/firmware/microblaze/lib/pic.c
index 4575bd775..e89d2b755 100644
--- a/firmware/microblaze/lib/pic.c
+++ b/firmware/microblaze/lib/pic.c
@@ -44,7 +44,7 @@ pic_init(void)
   // uP is level triggered
 
   pic_regs->mask = ~0;				       // mask all interrupts
-  pic_regs->edge_enable = PIC_ONETIME_INT | PIC_PHY_INT;
+  pic_regs->edge_enable = PIC_ONETIME_INT;
   pic_regs->polarity = ~0 & ~PIC_PHY_INT;	       // rising edge
   pic_regs->pending = ~0;			       // clear all pending ints
 }
diff --git a/firmware/microblaze/lib/spi.c b/firmware/microblaze/lib/spi.c
index 937397df6..bef808e57 100644
--- a/firmware/microblaze/lib/spi.c
+++ b/firmware/microblaze/lib/spi.c
@@ -43,7 +43,7 @@ spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags
   spi_wait();
 
   // Tell it which SPI slave device to access
-  spi_regs->ss = slave & 0xff;
+  spi_regs->ss = slave & 0xffff;
 
   // Data we will send
   spi_regs->txrx0 = data;
diff --git a/firmware/microblaze/lib/spi.h b/firmware/microblaze/lib/spi.h
index f5b69b270..01e4d26fd 100644
--- a/firmware/microblaze/lib/spi.h
+++ b/firmware/microblaze/lib/spi.h
@@ -48,5 +48,23 @@ void spi_wait(void);
 uint32_t
 spi_transact(bool readback, int slave, uint32_t data, int length, uint32_t flags);
 
+// ----------------------------------------------------------------
+// Routines that manipulate the FLASH SPI BUS
+// ----------------------------------------------------------------
+
+/*!
+ * \brief One time call to initialize SPI
+ */
+void spif_init(void);
+
+/*! 
+ * \brief Wait for last SPI transaction to complete.
+ * Unless you need to know it completed, it's not necessary to call this.
+ */
+void spif_wait(void);
+
+uint32_t
+spif_transact(bool readback_, int slave, uint32_t data, int length, uint32_t flags);
+
 
 #endif /* INCLUDED_SPI_H */
diff --git a/firmware/microblaze/lib/u2_init.c b/firmware/microblaze/lib/u2_init.c
index 6809101c0..75bc40859 100644
--- a/firmware/microblaze/lib/u2_init.c
+++ b/firmware/microblaze/lib/u2_init.c
@@ -25,9 +25,8 @@
 #include "i2c.h"
 #include "mdelay.h"
 #include "clocks.h"
-#include "usrp2_i2c_addr.h"
-
-//#include "nonstdio.h"
+#include "usrp2/fw_common.h"
+#include "nonstdio.h"
 
 unsigned char u2_hw_rev_major;
 unsigned char u2_hw_rev_minor;
@@ -35,8 +34,8 @@ unsigned char u2_hw_rev_minor;
 static inline void
 get_hw_rev(void)
 {
-  bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_REV_LSB, &u2_hw_rev_minor, 1);
-  ok &= eeprom_read(I2C_ADDR_MBOARD, MBOARD_REV_MSB, &u2_hw_rev_major, 1);
+  bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_LSB, &u2_hw_rev_minor, 1);
+  ok &= eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_MSB, &u2_hw_rev_major, 1);
 }
 
 /*
@@ -68,7 +67,7 @@ u2_init(void)
   mdelay(100);
   hal_set_leds(0x1f, 0x1f);
   mdelay(100);
-  hal_set_leds(0x1, 0x1f);  // Leave the first one on
+  hal_set_leds(LED_D, 0x1f);  // Leave one on
 
 #if 0
   // test register readback
diff --git a/firmware/microblaze/apps/.gitignore b/firmware/microblaze/usrp2/.gitignore
index 968b04cd7..18f715618 100644
--- a/firmware/microblaze/apps/.gitignore
+++ b/firmware/microblaze/usrp2/.gitignore
@@ -1,8 +1,9 @@
-/*.elf
+/Makefile
+/Makefile.in
+/*.a
 /*.bin
 /*.dump
-/*.log
+/*.ihx
+/*.elf
 /*.rom
 /*.map
-/Makefile
-/Makefile.in
diff --git a/firmware/microblaze/include/net/Makefile.am b/firmware/microblaze/usrp2/Makefile.am
index 32b0bf9dc..8da013980 100644
--- a/firmware/microblaze/include/net/Makefile.am
+++ b/firmware/microblaze/usrp2/Makefile.am
@@ -17,7 +17,27 @@
 
 include $(top_srcdir)/Makefile.common
 
-noinst_HEADERS = \
-	eth_mac_addr.h \
-	padded_eth_hdr.h \
-	socket_address.h
+AM_CFLAGS = \
+	$(COMMON_CFLAGS)
+
+AM_LDFLAGS = \
+	$(COMMON_LFLAGS) \
+	libusrp2.a \
+	-Wl,-defsym -Wl,_TEXT_START_ADDR=0x0050 \
+	-Wl,-defsym -Wl,_STACK_SIZE=3072
+
+########################################################################
+# USRP2 specific library and programs
+########################################################################
+noinst_LIBRARIES = libusrp2.a
+
+libusrp2_a_SOURCES = \
+	$(COMMON_SRCS) \
+	sd.c \
+	ethernet.c
+
+noinst_PROGRAMS = \
+	usrp2_txrx_uhd.elf
+
+usrp2_txrx_uhd_elf_SOURCES = \
+	$(top_srcdir)/apps/txrx_uhd.c
diff --git a/firmware/microblaze/lib/eth_phy.h b/firmware/microblaze/usrp2/eth_phy.h
index 6c16f97b7..6c16f97b7 100644
--- a/firmware/microblaze/lib/eth_phy.h
+++ b/firmware/microblaze/usrp2/eth_phy.h
diff --git a/firmware/microblaze/lib/ethernet.c b/firmware/microblaze/usrp2/ethernet.c
index 34a3ad7c1..d60d7dc4c 100644
--- a/firmware/microblaze/lib/ethernet.c
+++ b/firmware/microblaze/usrp2/ethernet.c
@@ -25,10 +25,9 @@
 #include "nonstdio.h"
 #include <stdbool.h>
 #include "i2c.h"
-#include "usrp2_i2c_addr.h"
+#include "usrp2/fw_common.h"
 
-
-#define VERBOSE 0
+#define VERBOSE 1
 
 static ethernet_t ed_state;
 static ethernet_link_changed_callback_t ed_callback = 0;
@@ -302,7 +301,7 @@ ethernet_mac_addr(void)
       return &src_mac_addr;
     
     eth_mac_addr_t tmp;
-    bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, &tmp, sizeof(tmp));
+    bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, &tmp, sizeof(tmp));
     if (!ok || unprogrammed(&tmp, sizeof(tmp))){
       // use the default
     }
@@ -316,7 +315,7 @@ ethernet_mac_addr(void)
 bool
 ethernet_set_mac_addr(const eth_mac_addr_t *t)
 {
-  bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_MAC_ADDR, t, sizeof(eth_mac_addr_t));
+  bool ok = eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, t, sizeof(eth_mac_addr_t));
   if (ok){
     src_mac_addr = *t;
     src_mac_addr_initialized = true;
@@ -344,7 +343,7 @@ const struct ip_addr *get_ip_addr(void)
       return &src_ip_addr;
     
     struct ip_addr tmp;
-    bool ok = eeprom_read(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, &tmp, sizeof(tmp));
+    bool ok = eeprom_read(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, &tmp, sizeof(tmp));
     if (!ok || unprogrammed(&tmp, sizeof(tmp))){
       // use the default
     }
@@ -356,7 +355,7 @@ const struct ip_addr *get_ip_addr(void)
 }
 
 bool set_ip_addr(const struct ip_addr *t){
-  bool ok = eeprom_write(I2C_ADDR_MBOARD, MBOARD_IP_ADDR, t, sizeof(struct ip_addr));
+  bool ok = eeprom_write(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, t, sizeof(struct ip_addr));
   if (ok){
     src_ip_addr = *t;
     src_ip_addr_initialized = true;
diff --git a/firmware/microblaze/lib/memory_map.h b/firmware/microblaze/usrp2/memory_map.h
index cdf3dd338..41a2820bc 100644
--- a/firmware/microblaze/lib/memory_map.h
+++ b/firmware/microblaze/usrp2/memory_map.h
@@ -89,6 +89,7 @@ typedef struct {
 #define SPI_SS_TX_DAC   32
 #define SPI_SS_TX_ADC   64
 #define SPI_SS_TX_DB   128
+#define SPI_SS_ADS64P44 256
 
 // Masks for different parts of CTRL reg
 #define SPI_CTRL_ASS      (1<<13)
@@ -374,6 +375,10 @@ typedef struct {
   volatile uint32_t     led_src;        // HW or SW control for LEDs
 } output_regs_t;
 
+#define CLK_RESET  (1<<4)
+#define CLK_ENABLE (1<<3) | (1<<2)
+#define CLK_SEL    (1<<1) | (1<<0)
+
 #define SERDES_ENABLE 8
 #define SERDES_PRBSEN 4
 #define SERDES_LOOPEN 2
diff --git a/firmware/microblaze/lib/sd.c b/firmware/microblaze/usrp2/sd.c
index d000b28ae..d000b28ae 100644
--- a/firmware/microblaze/lib/sd.c
+++ b/firmware/microblaze/usrp2/sd.c
diff --git a/firmware/microblaze/lib/sd.h b/firmware/microblaze/usrp2/sd.h
index e2d0ae38e..e2d0ae38e 100644
--- a/firmware/microblaze/lib/sd.h
+++ b/firmware/microblaze/usrp2/sd.h
diff --git a/host/docs/dboards.rst b/host/docs/dboards.rst
index 9c496ebee..b85164d04 100644
--- a/host/docs/dboards.rst
+++ b/host/docs/dboards.rst
@@ -45,7 +45,7 @@ The user may set the receive antenna to be TX/RX or RX2.
 However, when using an RFX board in full-duplex mode,
 the receive antenna will always be set to RX2, regardless of the settings.
 
-Recieve Gains: **PGA0**, Range: 0-45dB
+Recieve Gains: **PGA0**, Range: 0-70dB (except RFX400 range is 0-45dB)
 
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 XCVR 2450
diff --git a/host/docs/usrp2.rst b/host/docs/usrp2.rst
index 76b27fd31..bc4ea0e44 100644
--- a/host/docs/usrp2.rst
+++ b/host/docs/usrp2.rst
@@ -38,7 +38,7 @@ Run the following commands:
     ./configure --host=mb
     make
 
-*The image file will be ./apps/txrx_uhd.bin*
+*The image file will be ./usrp2/usrp2_txrx_uhd.bin*
 
 ------------------------------------------------------------------------
 Load the images onto the SD card
@@ -161,7 +161,7 @@ The USRP2 will reply to icmp echo requests.
 **Monitor the USRP2:**
 You can read the serial port on the rear of the USRP2
 to get debug verbose from the embedded microcontroller.
-Use a standard USB to tty-level serial converter at 230400 baud.
+Use a standard USB to 3.3v-level serial converter at 230400 baud.
 The microcontroller prints useful information about IP addresses,
 MAC addresses, control packets, and fast-path settings.
 
diff --git a/host/examples/CMakeLists.txt b/host/examples/CMakeLists.txt
index 5071b114f..10a9a833a 100644
--- a/host/examples/CMakeLists.txt
+++ b/host/examples/CMakeLists.txt
@@ -15,6 +15,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+
+ADD_EXECUTABLE(tx_continuous_samples tx_continuous_samples.cpp)
+TARGET_LINK_LIBRARIES(tx_continuous_samples uhd)
+
 ADD_EXECUTABLE(benchmark_rx_rate benchmark_rx_rate.cpp)
 TARGET_LINK_LIBRARIES(benchmark_rx_rate uhd)
 
@@ -25,6 +29,7 @@ ADD_EXECUTABLE(tx_timed_samples tx_timed_samples.cpp)
 TARGET_LINK_LIBRARIES(tx_timed_samples uhd)
 
 INSTALL(TARGETS
+    tx_continuous_samples
     benchmark_rx_rate
     rx_timed_samples
     tx_timed_samples
diff --git a/host/examples/tx_continuous_samples.cpp b/host/examples/tx_continuous_samples.cpp
new file mode 100644
index 000000000..cf70b07fb
--- /dev/null
+++ b/host/examples/tx_continuous_samples.cpp
@@ -0,0 +1,110 @@
+//
+// Copyright 2010 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/>.
+//
+
+#include <uhd/utils/thread_priority.hpp>
+#include <uhd/utils/safe_main.hpp>
+#include <uhd/usrp/simple_usrp.hpp>
+#include <boost/program_options.hpp>
+#include <boost/thread/thread_time.hpp> //system time
+#include <boost/format.hpp>
+#include <iostream>
+#include <complex>
+
+namespace po = boost::program_options;
+
+int UHD_SAFE_MAIN(int argc, char *argv[]){
+    uhd::set_thread_priority_safe();
+
+    //variables to be set by po
+    std::string args;
+    size_t total_duration;
+    size_t samps_per_packet;
+    double tx_rate, freq;
+    float ampl;
+
+    //setup the program options
+    po::options_description desc("Allowed options");
+    desc.add_options()
+        ("help", "help message")
+        ("args", po::value<std::string>(&args)->default_value(""), "simple uhd device address args")
+        ("duration", po::value<size_t>(&total_duration)->default_value(3), "number of seconds to transmit")
+        ("spp", po::value<size_t>(&samps_per_packet)->default_value(1000), "number of samples per packet")
+        ("txrate", po::value<double>(&tx_rate)->default_value(100e6/16), "rate of outgoing samples")
+        ("freq", po::value<double>(&freq)->default_value(0), "rf center frequency in Hz")
+        ("ampl", po::value<float>(&ampl)->default_value(float(0.3)), "amplitude of each sample")
+        ("dilv", "specify to disable inner-loop verbose")
+    ;
+    po::variables_map vm;
+    po::store(po::parse_command_line(argc, argv, desc), vm);
+    po::notify(vm);
+
+    //print the help message
+    if (vm.count("help")){
+        std::cout << boost::format("UHD TX Continuous Samples %s") % desc << std::endl;
+        return ~0;
+    }
+
+    bool verbose = vm.count("dilv") == 0;
+
+    //create a usrp device
+    std::cout << std::endl;
+    std::cout << boost::format("Creating the usrp device with: %s...") % args << std::endl;
+    uhd::usrp::simple_usrp::sptr sdev = uhd::usrp::simple_usrp::make(args);
+    uhd::device::sptr dev = sdev->get_device();
+    std::cout << boost::format("Using Device: %s") % sdev->get_pp_string() << std::endl;
+
+    //set properties on the device
+    std::cout << boost::format("Setting TX Rate: %f Msps...") % (tx_rate/1e6) << std::endl;
+    sdev->set_tx_rate(tx_rate);
+    std::cout << boost::format("Actual TX Rate: %f Msps...") % (sdev->get_tx_rate()/1e6) << std::endl;
+    sdev->set_tx_freq(freq);
+
+    //allocate data to send
+    std::vector<std::complex<float> > buff(samps_per_packet, std::complex<float>(ampl, ampl));
+
+    //setup the metadata flags
+    uhd::tx_metadata_t md;
+    md.start_of_burst = true; //always SOB (good for continuous streaming)
+    md.end_of_burst   = false;
+
+    //send the data in multiple packets
+    boost::system_time end_time(boost::get_system_time() + boost::posix_time::seconds(total_duration));
+    while(end_time > boost::get_system_time()){
+        //send samples per packet (driver fragments internally)
+        size_t num_tx_samps = dev->send(
+            &buff.front(), samps_per_packet, md,
+            uhd::io_type_t::COMPLEX_FLOAT32,
+            uhd::device::SEND_MODE_FULL_BUFF
+        );
+        if(verbose) std::cout << std::endl << boost::format("Sent %d samples") % num_tx_samps << std::endl;
+    }
+
+    //send a mini EOB packet
+    if(verbose) std::cout << std::endl << boost::format("Sending packet with end-of-burst") << std::endl;
+    md.start_of_burst = false;
+    md.end_of_burst   = true;
+    dev->send(
+        NULL, 0, md,
+        uhd::io_type_t::COMPLEX_FLOAT32,
+        uhd::device::SEND_MODE_FULL_BUFF
+    );
+
+    //finished
+    std::cout << std::endl << "Done!" << std::endl << std::endl;
+
+    return 0;
+}
diff --git a/host/include/uhd/transport/alignment_buffer.ipp b/host/include/uhd/transport/alignment_buffer.ipp
index ed7cfd26c..61b3b60f5 100644
--- a/host/include/uhd/transport/alignment_buffer.ipp
+++ b/host/include/uhd/transport/alignment_buffer.ipp
@@ -57,12 +57,15 @@ namespace uhd{ namespace transport{ namespace{ /*anon*/
             std::vector<elem_type> &elems,
             const time_duration_t &time
         ){
+            boost::system_time exit_time = boost::get_system_time() + time;
             buff_contents_type buff_contents_tmp;
             std::list<size_t> indexes_to_do(_all_indexes);
 
             //do an initial pop to load an initial sequence id
             size_t index = indexes_to_do.front();
-            if (not _buffs[index]->pop_with_timed_wait(buff_contents_tmp, time)) return false;
+            if (not _buffs[index]->pop_with_timed_wait(
+                buff_contents_tmp, exit_time - boost::get_system_time()
+            )) return false;
             elems[index] = buff_contents_tmp.first;
             seq_type expected_seq_id = buff_contents_tmp.second;
             indexes_to_do.pop_front();
@@ -75,7 +78,9 @@ namespace uhd{ namespace transport{ namespace{ /*anon*/
                     _there_was_a_clear = false;
                     indexes_to_do = _all_indexes;
                     index = indexes_to_do.front();
-                    if (not _buffs[index]->pop_with_timed_wait(buff_contents_tmp, time)) return false;
+                    if (not _buffs[index]->pop_with_timed_wait(
+                        buff_contents_tmp, exit_time - boost::get_system_time()
+                    )) return false;
                     elems[index] = buff_contents_tmp.first;
                     expected_seq_id = buff_contents_tmp.second;
                     indexes_to_do.pop_front();
@@ -83,7 +88,9 @@ namespace uhd{ namespace transport{ namespace{ /*anon*/
 
                 //pop an element off for this index
                 index = indexes_to_do.front();
-                if (not _buffs[index]->pop_with_timed_wait(buff_contents_tmp, time)) return false;
+                if (not _buffs[index]->pop_with_timed_wait(
+                    buff_contents_tmp, exit_time - boost::get_system_time()
+                )) return false;
 
                 //if the sequence id matches:
                 //  store the popped element into the output,
diff --git a/host/include/uhd/usrp/dboard_iface.hpp b/host/include/uhd/usrp/dboard_iface.hpp
index caf1e6ee6..fc7ea3052 100644
--- a/host/include/uhd/usrp/dboard_iface.hpp
+++ b/host/include/uhd/usrp/dboard_iface.hpp
@@ -22,6 +22,7 @@
 #include <uhd/types/serial.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/cstdint.hpp>
+#include <string>
 #include <vector>
 
 namespace uhd{ namespace usrp{
@@ -65,6 +66,12 @@ public:
     };
 
     /*!
+     * Get the motherboard name of the form: usrp1, usrp2...
+     * \return string representing the motherboard name
+     */
+    virtual std::string get_mboard_name(void) = 0;
+
+    /*!
      * Write to an aux dac.
      *
      * \param unit which unit rx or tx
diff --git a/host/lib/CMakeLists.txt b/host/lib/CMakeLists.txt
index 4899d3dbc..c93884d67 100644
--- a/host/lib/CMakeLists.txt
+++ b/host/lib/CMakeLists.txt
@@ -44,8 +44,7 @@ ENDMACRO(LIBUHD_PYTHON_GEN_SOURCE)
 INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/ic_reg_maps/CMakeLists.txt)
 INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/transport/CMakeLists.txt)
 INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/usrp/CMakeLists.txt)
-INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/usrp/dboard/CMakeLists.txt)
-INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/usrp/usrp2/CMakeLists.txt)
+INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/utils/CMakeLists.txt)
 
 ########################################################################
 # Setup defines for process scheduling
@@ -112,11 +111,7 @@ CONFIGURE_FILE(
 
 LIBUHD_APPEND_SOURCES(
     ${CMAKE_CURRENT_SOURCE_DIR}/device.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/gain_group.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/load_modules.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/thread_priority.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/types.cpp
-    ${CMAKE_CURRENT_SOURCE_DIR}/utils.cpp
     ${CMAKE_CURRENT_BINARY_DIR}/version.cpp
     ${CMAKE_CURRENT_SOURCE_DIR}/wax.cpp
 )
diff --git a/host/lib/usrp/CMakeLists.txt b/host/lib/usrp/CMakeLists.txt
index 4f0710b20..da3e87a68 100644
--- a/host/lib/usrp/CMakeLists.txt
+++ b/host/lib/usrp/CMakeLists.txt
@@ -29,3 +29,6 @@ LIBUHD_APPEND_SOURCES(
     ${CMAKE_SOURCE_DIR}/lib/usrp/simple_usrp.cpp
     ${CMAKE_SOURCE_DIR}/lib/usrp/tune_helper.cpp
 )
+
+INCLUDE(${CMAKE_SOURCE_DIR}/lib/usrp/dboard/CMakeLists.txt)
+INCLUDE(${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/CMakeLists.txt)
diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp
index 914ca5e19..b6b44199a 100644
--- a/host/lib/usrp/dboard/db_rfx.cpp
+++ b/host/lib/usrp/dboard/db_rfx.cpp
@@ -43,6 +43,7 @@
 #include <uhd/utils/assert.hpp>
 #include <uhd/utils/static.hpp>
 #include <uhd/utils/algorithm.hpp>
+#include <uhd/usrp/dboard_id.hpp>
 #include <uhd/usrp/dboard_base.hpp>
 #include <uhd/usrp/dboard_manager.hpp>
 #include <boost/assign/list_of.hpp>
@@ -65,6 +66,10 @@ static const prop_names_t rfx_rx_antennas = list_of("TX/RX")("RX2");
 static const uhd::dict<std::string, gain_range_t> rfx_tx_gain_ranges; //empty
 
 static const uhd::dict<std::string, gain_range_t> rfx_rx_gain_ranges = map_list_of
+    ("PGA0", gain_range_t(0, 70, float(0.022)))
+;
+
+static const uhd::dict<std::string, gain_range_t> rfx400_rx_gain_ranges = map_list_of
     ("PGA0", gain_range_t(0, 45, float(0.022)))
 ;
 
@@ -88,6 +93,7 @@ public:
 
 private:
     freq_range_t _freq_range;
+    uhd::dict<std::string, gain_range_t> _rx_gain_ranges;
     uhd::dict<dboard_iface::unit_t, bool> _div2;
     double       _rx_lo_freq, _tx_lo_freq;
     std::string  _rx_ant;
@@ -166,6 +172,14 @@ rfx_xcvr::rfx_xcvr(
     _div2[dboard_iface::UNIT_RX] = rx_div2;
     _div2[dboard_iface::UNIT_TX] = tx_div2;
 
+    if(this->get_rx_id() == 0x0024) { //RFX400
+        _rx_gain_ranges = rfx400_rx_gain_ranges;
+    }
+    else {
+        _rx_gain_ranges = rfx_rx_gain_ranges;
+    }
+
+
     //enable the clocks that we need
     this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
     this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);
@@ -193,8 +207,8 @@ rfx_xcvr::rfx_xcvr(
     set_tx_lo_freq((_freq_range.min + _freq_range.max)/2.0);
     set_rx_ant("RX2");
 
-    BOOST_FOREACH(const std::string &name, rfx_rx_gain_ranges.keys()){
-        set_rx_gain(rfx_rx_gain_ranges[name].min, name);
+    BOOST_FOREACH(const std::string &name, _rx_gain_ranges.keys()){
+        set_rx_gain(_rx_gain_ranges[name].min, name);
     }
 }
 
@@ -227,10 +241,10 @@ void rfx_xcvr::set_tx_ant(const std::string &ant){
 /***********************************************************************
  * Gain Handling
  **********************************************************************/
-static float rx_pga0_gain_to_dac_volts(float &gain){
+static float rx_pga0_gain_to_dac_volts(float &gain, float range){
     //voltage level constants (negative slope)
     static const float max_volts = float(.2), min_volts = float(1.2);
-    static const float slope = (max_volts-min_volts)/45;
+    static const float slope = (max_volts-min_volts)/(range);
 
     //calculate the voltage for the aux dac
     float dac_volts = std::clip<float>(gain*slope + min_volts, max_volts, min_volts);
@@ -247,9 +261,10 @@ void rfx_xcvr::set_tx_gain(float, const std::string &name){
 }
 
 void rfx_xcvr::set_rx_gain(float gain, const std::string &name){
-    assert_has(rfx_rx_gain_ranges.keys(), name, "rfx rx gain name");
+    assert_has(_rx_gain_ranges.keys(), name, "rfx rx gain name");
     if(name == "PGA0"){
-        float dac_volts = rx_pga0_gain_to_dac_volts(gain);
+        float dac_volts = rx_pga0_gain_to_dac_volts(gain, 
+                              (_rx_gain_ranges["PGA0"].max - _rx_gain_ranges["PGA0"].min));
         _rx_gains[name] = gain;
 
         //write the new voltage to the aux dac
@@ -402,12 +417,12 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
         return;
 
     case SUBDEV_PROP_GAIN_RANGE:
-        assert_has(rfx_rx_gain_ranges.keys(), name, "rfx rx gain name");
-        val = rfx_rx_gain_ranges[name];
+        assert_has(_rx_gain_ranges.keys(), name, "rfx rx gain name");
+        val = _rx_gain_ranges[name];
         return;
 
     case SUBDEV_PROP_GAIN_NAMES:
-        val = prop_names_t(rfx_rx_gain_ranges.keys());
+        val = prop_names_t(_rx_gain_ranges.keys());
         return;
 
     case SUBDEV_PROP_FREQ:
diff --git a/host/lib/usrp/usrp2/dboard_iface.cpp b/host/lib/usrp/usrp2/dboard_iface.cpp
index 6f2fb9396..1b9a4bb97 100644
--- a/host/lib/usrp/usrp2/dboard_iface.cpp
+++ b/host/lib/usrp/usrp2/dboard_iface.cpp
@@ -37,6 +37,8 @@ public:
     usrp2_dboard_iface(usrp2_iface::sptr iface, usrp2_clock_ctrl::sptr clock_ctrl);
     ~usrp2_dboard_iface(void);
 
+    std::string get_mboard_name(void){return "usrp2";}
+
     void write_aux_dac(unit_t, aux_dac_t, float);
     float read_aux_adc(unit_t, aux_adc_t);
 
diff --git a/host/lib/usrp/usrp2/dboard_impl.cpp b/host/lib/usrp/usrp2/dboard_impl.cpp
index e0d6beafc..4309f43aa 100644
--- a/host/lib/usrp/usrp2/dboard_impl.cpp
+++ b/host/lib/usrp/usrp2/dboard_impl.cpp
@@ -35,8 +35,8 @@ using namespace uhd::usrp;
  **********************************************************************/
 void usrp2_mboard_impl::dboard_init(void){
     //read the dboard eeprom to extract the dboard ids
-    _rx_db_eeprom = dboard_eeprom_t(_iface->read_eeprom(I2C_ADDR_RX_DB, 0, dboard_eeprom_t::num_bytes()));
-    _tx_db_eeprom = dboard_eeprom_t(_iface->read_eeprom(I2C_ADDR_TX_DB, 0, dboard_eeprom_t::num_bytes()));
+    _rx_db_eeprom = dboard_eeprom_t(_iface->read_eeprom(USRP2_I2C_ADDR_RX_DB, 0, dboard_eeprom_t::num_bytes()));
+    _tx_db_eeprom = dboard_eeprom_t(_iface->read_eeprom(USRP2_I2C_ADDR_TX_DB, 0, dboard_eeprom_t::num_bytes()));
 
     //create a new dboard interface and manager
     _dboard_iface = make_usrp2_dboard_iface(_iface, _clock_ctrl);
@@ -121,7 +121,7 @@ void usrp2_mboard_impl::rx_dboard_set(const wax::obj &key, const wax::obj &val){
 
     case DBOARD_PROP_DBOARD_ID:
         _rx_db_eeprom.id = val.as<dboard_id_t>();
-        _iface->write_eeprom(I2C_ADDR_RX_DB, 0, _rx_db_eeprom.get_eeprom_bytes());
+        _iface->write_eeprom(USRP2_I2C_ADDR_RX_DB, 0, _rx_db_eeprom.get_eeprom_bytes());
         return;
 
     default: UHD_THROW_PROP_SET_ERROR();
@@ -190,7 +190,7 @@ void usrp2_mboard_impl::tx_dboard_set(const wax::obj &key, const wax::obj &val){
 
     case DBOARD_PROP_DBOARD_ID:
         _tx_db_eeprom.id = val.as<dboard_id_t>();
-        _iface->write_eeprom(I2C_ADDR_TX_DB, 0, _tx_db_eeprom.get_eeprom_bytes());
+        _iface->write_eeprom(USRP2_I2C_ADDR_TX_DB, 0, _tx_db_eeprom.get_eeprom_bytes());
         return;
 
     default: UHD_THROW_PROP_SET_ERROR();
diff --git a/host/lib/usrp/usrp2/fw_common.h b/host/lib/usrp/usrp2/fw_common.h
index fd728e393..c4dabf5bc 100644
--- a/host/lib/usrp/usrp2/fw_common.h
+++ b/host/lib/usrp/usrp2/fw_common.h
@@ -44,6 +44,22 @@ extern "C" {
 #define USRP2_UDP_CTRL_PORT 49152
 #define USRP2_UDP_DATA_PORT 49153
 
+////////////////////////////////////////////////////////////////////////
+// I2C addresses
+////////////////////////////////////////////////////////////////////////
+#define USRP2_I2C_DEV_EEPROM  0x50 // 24LC02[45]:  7-bits 1010xxx
+#define	USRP2_I2C_ADDR_MBOARD (USRP2_I2C_DEV_EEPROM | 0x0)
+#define	USRP2_I2C_ADDR_TX_DB  (USRP2_I2C_DEV_EEPROM | 0x4)
+#define	USRP2_I2C_ADDR_RX_DB  (USRP2_I2C_DEV_EEPROM | 0x5)
+
+////////////////////////////////////////////////////////////////////////
+// EEPROM Layout
+////////////////////////////////////////////////////////////////////////
+#define USRP2_EE_MBOARD_REV_LSB  0x00 //1 byte
+#define USRP2_EE_MBOARD_REV_MSB  0x01 //1 byte
+#define USRP2_EE_MBOARD_MAC_ADDR 0x02 //6 bytes
+#define USRP2_EE_MBOARD_IP_ADDR  0x0C //uint32, big-endian
+
 typedef enum{
     USRP2_CTRL_ID_HUH_WHAT = ' ',
     //USRP2_CTRL_ID_FOR_SURE, //TODO error condition enums
diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp
index aa6d15783..9e29edd82 100644
--- a/host/lib/usrp/usrp2/io_impl.cpp
+++ b/host/lib/usrp/usrp2/io_impl.cpp
@@ -144,11 +144,13 @@ void usrp2_impl::io_impl::recv_pirate_loop(
  **********************************************************************/
 void usrp2_impl::io_init(void){
     //send a small data packet so the usrp2 knows the udp source port
-    for(size_t i = 0; i < _data_transports.size(); i++){
-        managed_send_buffer::sptr send_buff = _data_transports[i]->get_send_buff();
-        boost::uint32_t data = htonl(USRP2_INVALID_VRT_HEADER);
-        memcpy(send_buff->cast<void*>(), &data, sizeof(data));
+    BOOST_FOREACH(zero_copy_if::sptr data_transport, _data_transports){
+        managed_send_buffer::sptr send_buff = data_transport->get_send_buff();
+        static const boost::uint32_t data = htonl(USRP2_INVALID_VRT_HEADER);
+        std::memcpy(send_buff->cast<void*>(), &data, sizeof(data));
         send_buff->commit(sizeof(data));
+        //drain the recv buffers (may have junk)
+        while (data_transport->get_recv_buff().get());
     }
 
     //the number of recv frames is the number for the first transport
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index 7ec1b9cbd..4dab00ce2 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -45,8 +45,8 @@ usrp2_mboard_impl::usrp2_mboard_impl(
     _iface = usrp2_iface::make(ctrl_transport);
 
     //extract the mboard rev numbers
-    _rev_lo = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_REV_LSB, 1).at(0);
-    _rev_hi = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_REV_MSB, 1).at(0);
+    _rev_lo = _iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_LSB, 1).at(0);
+    _rev_hi = _iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_REV_MSB, 1).at(0);
 
     //contruct the interfaces to mboard perifs
     _clock_ctrl = usrp2_clock_ctrl::make(_iface);
@@ -85,6 +85,7 @@ usrp2_mboard_impl::usrp2_mboard_impl(
     _iface->poke32(U2_REG_TX_CTRL_NUM_CHAN, 0);    //1 channel
     _iface->poke32(U2_REG_TX_CTRL_CLEAR_STATE, 1); //reset
     _iface->poke32(U2_REG_TX_CTRL_REPORT_SID, 1);  //sid 1 (different from rx)
+    _iface->poke32(U2_REG_TX_CTRL_POLICY, U2_FLAG_TX_CTRL_POLICY_NEXT_PACKET);
 
     //init the ddc
     init_ddc_config();
@@ -100,6 +101,11 @@ usrp2_mboard_impl::usrp2_mboard_impl(
 
     //init the tx and rx dboards (do last)
     dboard_init();
+
+    //Issue a stop streaming command (in case it was left running).
+    //Since this command is issued before the networking is setup,
+    //most if not all junk packets will never make it to the socket.
+    this->issue_ddc_stream_cmd(stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS);
 }
 
 usrp2_mboard_impl::~usrp2_mboard_impl(void){
@@ -182,14 +188,14 @@ void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
     //handle the other props
     if (key.type() == typeid(std::string)){
         if (key.as<std::string>() == "mac-addr"){
-            byte_vector_t bytes = _iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_MAC_ADDR, 6);
+            byte_vector_t bytes = _iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, 6);
             val = mac_addr_t::from_bytes(bytes).to_string();
             return;
         }
 
         if (key.as<std::string>() == "ip-addr"){
             boost::asio::ip::address_v4::bytes_type bytes;
-            std::copy(_iface->read_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_IP_ADDR, 4), bytes);
+            std::copy(_iface->read_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, 4), bytes);
             val = boost::asio::ip::address_v4(bytes).to_string();
             return;
         }
@@ -272,14 +278,14 @@ void usrp2_mboard_impl::set(const wax::obj &key, const wax::obj &val){
     if (key.type() == typeid(std::string)){
         if (key.as<std::string>() == "mac-addr"){
             byte_vector_t bytes = mac_addr_t::from_string(val.as<std::string>()).to_bytes();
-            _iface->write_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_MAC_ADDR, bytes);
+            _iface->write_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_MAC_ADDR, bytes);
             return;
         }
 
         if (key.as<std::string>() == "ip-addr"){
             byte_vector_t bytes(4);
             std::copy(boost::asio::ip::address_v4::from_string(val.as<std::string>()).to_bytes(), bytes);
-            _iface->write_eeprom(I2C_ADDR_MBOARD, EE_MBOARD_IP_ADDR, bytes);
+            _iface->write_eeprom(USRP2_I2C_ADDR_MBOARD, USRP2_EE_MBOARD_IP_ADDR, bytes);
             return;
         }
     }
diff --git a/host/lib/usrp/usrp2/usrp2_iface.hpp b/host/lib/usrp/usrp2/usrp2_iface.hpp
index 9cc32104e..12fd4730a 100644
--- a/host/lib/usrp/usrp2/usrp2_iface.hpp
+++ b/host/lib/usrp/usrp2/usrp2_iface.hpp
@@ -26,22 +26,6 @@
 #include <utility>
 #include "fw_common.h"
 
-////////////////////////////////////////////////////////////////////////
-// I2C addresses
-////////////////////////////////////////////////////////////////////////
-#define I2C_DEV_EEPROM  0x50 // 24LC02[45]:  7-bits 1010xxx
-#define	I2C_ADDR_MBOARD (I2C_DEV_EEPROM | 0x0)
-#define	I2C_ADDR_TX_DB  (I2C_DEV_EEPROM | 0x4)
-#define	I2C_ADDR_RX_DB  (I2C_DEV_EEPROM | 0x5)
-
-////////////////////////////////////////////////////////////////////////
-// EEPROM Layout
-////////////////////////////////////////////////////////////////////////
-#define EE_MBOARD_REV_LSB  0x00 //1 byte
-#define EE_MBOARD_REV_MSB  0x01 //1 byte
-#define EE_MBOARD_MAC_ADDR 0x02 //6 bytes
-#define EE_MBOARD_IP_ADDR  0x0C //uint32, big-endian
-
 /*!
  * The usrp2 interface class:
  * Provides a set of functions to implementation layer.
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index aa8bd860f..cc9094ae7 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -247,5 +247,10 @@
 #define U2_REG_TX_CTRL_NUM_CHAN          _SR_ADDR(SR_TX_CTRL + 0)
 #define U2_REG_TX_CTRL_CLEAR_STATE       _SR_ADDR(SR_TX_CTRL + 1)
 #define U2_REG_TX_CTRL_REPORT_SID        _SR_ADDR(SR_TX_CTRL + 2)
+#define U2_REG_TX_CTRL_POLICY            _SR_ADDR(SR_TX_CTRL + 3)
+
+#define U2_FLAG_TX_CTRL_POLICY_WAIT          (0x1 << 0)
+#define U2_FLAG_TX_CTRL_POLICY_NEXT_PACKET   (0x1 << 1)
+#define U2_FLAG_TX_CTRL_POLICY_NEXT_BURST    (0x1 << 2)
 
 #endif /* INCLUDED_USRP2_REGS_HPP */
diff --git a/firmware/microblaze/include/Makefile.am b/host/lib/utils/CMakeLists.txt
index 6afbbcd12..ee2cb0d76 100644
--- a/firmware/microblaze/include/Makefile.am
+++ b/host/lib/utils/CMakeLists.txt
@@ -1,8 +1,6 @@
 #
 # Copyright 2010 Ettus Research LLC
 #
-# Copyright 2008 Free Software Foundation, Inc.
-#
 # 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
@@ -17,14 +15,12 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-include $(top_srcdir)/Makefile.common
-
-SUBDIRS = net
+#This file will be included by cmake, use absolute paths!
 
-noinst_HEADERS = \
-    usrp2_fpga_regs.h \
-    usrp2_i2c_addr.h \
-    usrp2_clock_bits.h \
-    usrp2_types.h \
-    vrt/bits.h \
-    vrt/types.h
+LIBUHD_APPEND_SOURCES(
+    ${CMAKE_SOURCE_DIR}/lib/utils/assert.cpp
+    ${CMAKE_SOURCE_DIR}/lib/utils/gain_group.cpp
+    ${CMAKE_SOURCE_DIR}/lib/utils/load_modules.cpp
+    ${CMAKE_SOURCE_DIR}/lib/utils/props.cpp
+    ${CMAKE_SOURCE_DIR}/lib/utils/thread_priority.cpp
+)
diff --git a/host/lib/utils/assert.cpp b/host/lib/utils/assert.cpp
new file mode 100644
index 000000000..7ace9024c
--- /dev/null
+++ b/host/lib/utils/assert.cpp
@@ -0,0 +1,24 @@
+//
+// Copyright 2010 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/>.
+//
+
+#include <uhd/utils/assert.hpp>
+
+using namespace uhd;
+
+assert_error::assert_error(const std::string &what) : std::runtime_error(what){
+    /* NOP */
+}
diff --git a/host/lib/gain_group.cpp b/host/lib/utils/gain_group.cpp
index 5a14fa96f..5a14fa96f 100644
--- a/host/lib/gain_group.cpp
+++ b/host/lib/utils/gain_group.cpp
diff --git a/host/lib/load_modules.cpp b/host/lib/utils/load_modules.cpp
index dbb8d0695..dbb8d0695 100644
--- a/host/lib/load_modules.cpp
+++ b/host/lib/utils/load_modules.cpp
diff --git a/host/lib/utils.cpp b/host/lib/utils/props.cpp
index d2f4dfc6e..fac5fe24f 100644
--- a/host/lib/utils.cpp
+++ b/host/lib/utils/props.cpp
@@ -15,28 +15,18 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 //
 
-#include <uhd/utils/assert.hpp>
 #include <uhd/utils/props.hpp>
-#include <stdexcept>
 
 using namespace uhd;
 
-/***********************************************************************
- * Assert
- **********************************************************************/
-assert_error::assert_error(const std::string &what) : std::runtime_error(what){
-    /* NOP */
-}
-
-/***********************************************************************
- * Props
- **********************************************************************/
 named_prop_t::named_prop_t(
-    const wax::obj &key_,
-    const std::string &name_
-){
-    key = key_;
-    name = name_;
+    const wax::obj &key,
+    const std::string &name
+):
+    key(key),
+    name(name)
+{
+    /* NOP */
 }
 
 typedef boost::tuple<wax::obj, std::string> named_prop_tuple;
diff --git a/host/lib/thread_priority.cpp b/host/lib/utils/thread_priority.cpp
index c35e5fcb1..c35e5fcb1 100644
--- a/host/lib/thread_priority.cpp
+++ b/host/lib/utils/thread_priority.cpp