usrp1: Add FX2 firmware files

These firmware files for the usrp1 are imported from
GNURadio.

1 files changed, 58 insertions, 0 deletions

diff --git a/firmware/fx2/src/usrp1/fpga_rev2.h b/firmware/fx2/src/usrp1/fpga_rev2.h
new file mode 100644
index 000000000..54ec3f9fa
--- /dev/null
+++ b/firmware/fx2/src/usrp1/fpga_rev2.h
@@ -0,0 +1,58 @@
+/* 
+ * USRP - Universal Software Radio Peripheral
+ *
+ * Copyright (C) 2003,2004 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Boston, MA  02110-1301  USA
+ */
+
+#ifndef INCLUDED_FPGA_REV1_H
+#define INCLUDED_FPGA_REV1_H
+
+void fpga_set_reset (unsigned char v);
+void fpga_set_tx_enable (unsigned char v);
+void fpga_set_rx_enable (unsigned char v);
+void fpga_set_tx_reset (unsigned char v);
+void fpga_set_rx_reset (unsigned char v);
+
+unsigned char fpga_has_room_for_packet (void);
+unsigned char fpga_has_packet_avail (void);
+
+#if (UC_BOARD_HAS_FPGA)
+/*
+ * return TRUE iff FPGA internal fifo has room for 512 bytes.
+ */
+#define fpga_has_room_for_packet()	(GPIFREADYSTAT & bmFPGA_HAS_SPACE)
+
+/*
+ * return TRUE iff FPGA internal fifo has at least 512 bytes available.
+ */
+#define fpga_has_packet_avail()		(GPIFREADYSTAT & bmFPGA_PKT_AVAIL)
+
+#else	/* no FPGA on board.  fake it. */
+
+#define fpga_has_room_for_packet()	TRUE
+#define	fpga_has_packet_avail()		TRUE
+
+#endif
+
+#define	fpga_clear_flags()				\
+	do {						\
+	  USRP_PE |= bmPE_FPGA_CLR_STATUS;		\
+	  USRP_PE &= ~bmPE_FPGA_CLR_STATUS;		\
+        } while (0)
+
+
+#endif /* INCLUDED_FPGA_REV1_H */