coresightps_dcc : Added new driver coresightPS.

This patch adds coresightps as an STDIO IP.

Signed-off-by: Venkata Naga Sai Krishna Kolapalli <venkatan@xilinx.com>

XilinxProcessorIPLib/drivers/coresightps_dcc/data/coresightps_dcc.mdd

@@ -0,0 +1,52 @@
+###############################################################################
+#
+# Copyright (C) 2014-2015 Xilinx, Inc.  All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# Use of the Software is limited solely to applications:
+# (a) running on a Xilinx device, or
+# (b) that interact with a Xilinx device through a bus or interconnect.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# Except as contained in this notice, the name of the Xilinx shall not be used
+# in advertising or otherwise to promote the sale, use or other dealings in
+# this Software without prior written authorization from Xilinx.
+#
+###############################################################################
+
+BEGIN driver coresightps_dcc
+
+OPTION copyfiles = all;
+OPTION driver_state = ACTIVE;
+OPTION supported_peripherals = (ps7_coresight_comp);
+OPTION VERSION = 1.0;
+OPTION NAME = coresightps_dcc;
+
+
+  BEGIN INTERFACE stdin
+    PROPERTY header = xcoresightpsdcc.h;
+    FUNCTION name = inbyte, value = XCoresightPs_DccRecvByte;
+  END INTERFACE
+
+  BEGIN INTERFACE stdout
+    PROPERTY header = xcoresightpsdcc.h;
+    FUNCTION name = outbyte, value = XCoresightPs_DccSendByte;
+  END INTERFACE
+
+END driver

XilinxProcessorIPLib/drivers/coresightps_dcc/data/coresightps_dcc.tcl

@@ -0,0 +1,47 @@
+###############################################################################
+#
+# Copyright (C) 2014-2015 Xilinx, Inc.  All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# Use of the Software is limited solely to applications:
+# (a) running on a Xilinx device, or
+# (b) that interact with a Xilinx device through a bus or interconnect.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#
+# Except as contained in this notice, the name of the Xilinx shall not be used
+# in advertising or otherwise to promote the sale, use or other dealings in
+# this Software without prior written authorization from Xilinx.
+#
+###############################################################################
+#
+# Modification History
+#
+# Ver   Who  Date     Changes
+# ----- ---- -------- -----------------------------------------------
+# 1.00a sdm  11/27/14 Initial version
+#
+##############################################################################
+
+
+############################################################
+# "generate" procedure
+############################################################
+proc generate {drv_handle} {
+
+}

XilinxProcessorIPLib/drivers/coresightps_dcc/src/Makefile

@@ -0,0 +1,40 @@
+COMPILER=
+ARCHIVER=
+CP=cp
+COMPILER_FLAGS=
+EXTRA_COMPILER_FLAGS=
+LIB=libxil.a
+
+CC_FLAGS = $(COMPILER_FLAGS)
+ECC_FLAGS = $(EXTRA_COMPILER_FLAGS)
+
+RELEASEDIR=../../../lib
+INCLUDEDIR=../../../include
+INCLUDES=-I./. -I${INCLUDEDIR}
+
+OUTS = *.o
+
+LIBSOURCES:=*.c
+INCLUDEFILES:=*.h
+
+OBJECTS =	$(addsuffix .o, $(basename $(wildcard *.c)))
+
+libs: banner coresightps_dcc_comp_libs clean
+
+%.o: %.c
+	${COMPILER} $(CC_FLAGS) $(ECC_FLAGS) $(INCLUDES) -o $@ $<
+
+banner:
+	echo "Compiling coresightps_dcc"
+
+coresightps_dcc_comp_libs: ${OBJECTS}
+	$(ARCHIVER) -r ${RELEASEDIR}/${LIB} ${OBJECTS}
+
+.PHONY: include
+include: coresightps_dcc_includes
+
+coresightps_dcc_includes:
+	${CP} ${INCLUDEFILES} ${INCLUDEDIR}
+
+clean:
+	rm -rf ${OBJECTS}

XilinxProcessorIPLib/drivers/coresightps_dcc/src/xcoresightpsdcc.c

@@ -0,0 +1,141 @@
+/******************************************************************************
+*
+* Copyright (C) 2014 - 2015 Xilinx, Inc.  All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+
+#include <xil_types.h>
+#include <xpseudo_asm.h>
+
+#define INLINE __inline
+
+/* DCC Status Bits */
+#define XCORESIGHTPS_DCC_STATUS_RX (1 << 30)
+#define XCORESIGHTPS_DCC_STATUS_TX (1 << 29)
+
+static INLINE u32 XCoresightPs_DccGetStatus(void);
+
+/****************************************************************************/
+/**
+*
+* This functions sends a single byte using the DCC. It is blocking in that it
+* waits for the transmitter to become non-full before it writes the byte to
+* the transmit register.
+*
+* @param	BaseAddress is a dummy parameter to match the function proto
+*		of functions for other stdio devices.
+* @param	Data is the byte of data to send
+*
+* @return	None.
+*
+* @note		None.
+*
+******************************************************************************/
+void XCoresightPs_DccSendByte(u32 BaseAddress, u8 Data)
+{
+	(void) BaseAddress;
+	while (XCoresightPs_DccGetStatus() & XCORESIGHTPS_DCC_STATUS_TX)
+	dsb();
+#if defined (__GNUC__) || defined (__ICCARM__)
+	asm volatile("mcr p14, 0, %0, c0, c5, 0"
+			: "=r" (Data));
+#else
+	{
+		volatile register u32 Reg __asm("cp14:0:c0:c5:0");
+		Reg = Data;
+	}
+#endif
+	isb();
+
+}
+
+/****************************************************************************/
+/**
+*
+* This functions receives a single byte using the DCC. It is blocking in that
+* it waits for the receiver to become non-empty before it reads from the
+* receive register.
+*
+* @param	BaseAddress is a dummy parameter to match the function proto
+*		of functions for other stdio devices.
+*
+* @return	The byte of data received.
+*
+* @note		None.
+*
+******************************************************************************/
+u8 XCoresightPs_DccRecvByte(u32 BaseAddress)
+{
+	u8 Data;
+	(void) BaseAddress;
+
+	while (!(XCoresightPs_DccGetStatus() & XCORESIGHTPS_DCC_STATUS_RX))
+		dsb();
+
+#if defined (__GNUC__) || defined (__ICCARM__)
+	asm volatile("mrc p14, 0, %0, c0, c5, 0"
+			: "=r" (Data));
+#else
+	{
+		volatile register u32 Reg __asm("cp14:0:c0:c5:0");
+		Data = Reg;
+	}
+#endif
+	isb();
+
+	return Data;
+}
+
+
+/****************************************************************************/
+/**INLINE
+*
+* This functions read the status register of the DCC.
+*
+* @param	BaseAddress is the base address of the device
+*
+* @return	The contents of the Status Register.
+*
+* @note		None.
+*
+******************************************************************************/
+static INLINE u32 XCoresightPs_DccGetStatus(void)
+{
+	u32 Status;
+#if defined (__GNUC__) || defined (__ICCARM__)
+	asm volatile("mrc p14, 0, %0, c0, c1, 0"
+			: "=r" (Status) : : "cc");
+#else
+	{
+		volatile register u32 Reg __asm("cp14:0:c0:c1:0");
+		Status = Reg;
+	}
+#endif
+	return Status;
+}

XilinxProcessorIPLib/drivers/coresightps_dcc/src/xcoresightpsdcc.h

@@ -0,0 +1,37 @@
+/******************************************************************************
+*
+* Copyright (C) 2010 - 2014 Xilinx, Inc.  All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* Use of the Software is limited solely to applications:
+* (a) running on a Xilinx device, or
+* (b) that interact with a Xilinx device through a bus or interconnect.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* XILINX CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* Except as contained in this notice, the name of the Xilinx shall not be used
+* in advertising or otherwise to promote the sale, use or other dealings in
+* this Software without prior written authorization from Xilinx.
+*
+******************************************************************************/
+
+#include <xil_types.h>
+
+void XCoresightPs_DccSendByte(u32 BaseAddress, u8 Data);
+
+u8 XCoresightPs_DccRecvByte(u32 BaseAddress);