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authorNick Foster <nick@nerdnetworks.org>2010-11-10 12:15:35 -0800
committerNick Foster <nick@nerdnetworks.org>2010-11-10 12:15:35 -0800
commitfb0cdbc553d288402ee7939dc72f4368eb9e8e1b (patch)
treee20003155af08428448a7834a82d259f3b68717d /firmware/fx2/common/usrp_common.h
parent8fe1e7b29aacce7f75ae36e81706bbde02749b97 (diff)
parent8c434f7d63aca25b55d6d13dffcc1d7037261d4f (diff)
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Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into usrp2p-next
Conflicts: firmware/microblaze/lib/u2_init.c host/lib/usrp/usrp2/clock_ctrl.cpp host/lib/usrp/usrp2/fw_common.h host/lib/usrp/usrp2/mboard_impl.cpp host/lib/usrp/usrp2/usrp2_iface.cpp host/lib/usrp/usrp2/usrp2_iface.hpp
Diffstat (limited to 'firmware/fx2/common/usrp_common.h')
-rw-r--r--firmware/fx2/common/usrp_common.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/firmware/fx2/common/usrp_common.h b/firmware/fx2/common/usrp_common.h
new file mode 100644
index 000000000..fd203927f
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+++ b/firmware/fx2/common/usrp_common.h
@@ -0,0 +1,77 @@
+/*
+ * USRP - Universal Software Radio Peripheral
+ *
+ * Copyright (C) 2003,2006 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
+ */
+
+/*
+ * common defines and prototypes for USRP
+ *
+ * In comments below "TRM" refers to the EZ-USB FX2 Technical Reference Manual
+ */
+
+#ifndef _USRPCOMMON_H_
+#define _USRPCOMMON_H_
+
+#include "usrp_config.h"
+#include "usrp_regs.h"
+#include "syncdelay.h"
+
+/*
+ * From TRM page 15-105:
+ *
+ * Under certain conditions, some read and write access to the FX2
+ * registers must be separated by a "synchronization delay". The
+ * delay is necessary only under the following conditions:
+ *
+ * - between a write to any register in the 0xE600 - 0xE6FF range
+ * and a write to one of the registers listed below.
+ *
+ * - between a write to one of the registers listed below and a read
+ * from any register in the 0xE600 - 0xE6FF range.
+ *
+ * Registers which require a synchronization delay:
+ *
+ * FIFORESET FIFOPINPOLAR
+ * INPKTEND EPxBCH:L
+ * EPxFIFOPFH:L EPxAUTOINLENH:L
+ * EPxFIFOCFG EPxGPIFFLGSEL
+ * PINFLAGSAB PINFLAGSCD
+ * EPxFIFOIE EPxFIFOIRQ
+ * GPIFIE GPIFIRQ
+ * UDMACRCH:L GPIFADRH:L
+ * GPIFTRIG EPxGPIFTRIG
+ * OUTPKTEND REVCTL
+ * GPIFTCB3 GPIFTCB2
+ * GPIFTCB1 GPIFTCB0
+ */
+
+#define TRUE 1
+#define FALSE 0
+
+
+void init_usrp (void);
+void init_gpif (void);
+
+void set_led_0 (unsigned char on);
+void set_led_1 (unsigned char on);
+void toggle_led_0 (void);
+void toggle_led_1 (void);
+
+#define la_trace(v)
+
+#endif /* _USRPCOMMON_H_ */