samples: Add an application to print out PCI enumeration

This application can be used to list the PCI devices through the
console.

Change-Id: I3409ab9025b1f18a42b4cdd594fb095ebeac96f3
Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>

samples/microkernel/apps/pci_enum/Makefile

@@ -0,0 +1,6 @@
+PLATFORM_CONFIG ?= galileo
+KERNEL_TYPE = micro
+MDEF_FILE = prj.mdef
+CONF_FILE = prj_$(ARCH).conf
+
+include ${ZEPHYR_BASE}/Makefile.inc

samples/microkernel/apps/pci_enum/prj.mdef

@@ -0,0 +1,5 @@
+% Application       : PCI enumeration application
+
+% TASK NAME  PRIO ENTRY          STACK GROUPS
+% ===========================================
+  TASK TASKA    7 task_enum_pci  1024  [EXE]

samples/microkernel/apps/pci_enum/prj_x86.conf

@@ -0,0 +1,3 @@
+CONFIG_STDOUT_CONSOLE=y
+CONFIG_PCI_ENUMERATION=y
+CONFIG_PCI_DEBUG=y

samples/microkernel/apps/pci_enum/src/Makefile

@@ -0,0 +1,3 @@
+ccflags-y += ${PROJECTINCLUDE} -I${ZEPHYR_BASE}/include/drivers
+
+obj-y = pci_enum.o

samples/microkernel/apps/pci_enum/src/pci_enum.c

@@ -0,0 +1,90 @@
+/* pci_enum.c - PCI Enumeration print-out application */
+
+/*
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2) Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3) Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdint.h>
+#include <pci/pci.h>
+
+#if defined(CONFIG_STDOUT_CONSOLE)
+#include <stdio.h>
+#define PRINT           printf
+#else
+#include <misc/printk.h>
+#define PRINT           printk
+#endif
+
+void pci_enumerate(void)
+{
+	struct pci_dev_info info = {
+		.function = PCI_FUNCTION_ANY,
+		.bar = PCI_BAR_ANY,
+	};
+
+	pci_bus_scan_init();
+
+	while (pci_bus_scan(&info)) {
+		pci_show(&info);
+		info.class = 0;
+		info.vendor_id = 0;
+		info.device_id = 0;
+		info.function = PCI_FUNCTION_ANY;
+		info.bar = PCI_BAR_ANY;
+	}
+}
+
+#ifdef CONFIG_MICROKERNEL
+
+#include <zephyr.h>
+
+static int done = 0;
+
+void task_enum_pci(void)
+{
+	if (done) {
+		task_yield();
+	}
+
+	pci_enumerate();
+
+	done = 1;
+}
+
+#else /* CONFIG_NANOKERNEL */
+
+#include <nanokernel.h>
+#include <arch/cpu.h>
+
+void main(void)
+{
+	pci_enumerate();
+}
+
+#endif /* CONFIG_MICROKERNEL */

samples/microkernel/apps/pci_enum/testcase.ini

@@ -0,0 +1,6 @@
+[test]
+build_only = true
+tags = apps
+
+arch_whitelist = x86
+platform_whitelist = galileo basic_minuteia

samples/nanokernel/apps/pci_enum/Makefile

@@ -0,0 +1,6 @@
+PLATFORM_CONFIG ?= galileo
+KERNEL_TYPE = nano
+CONF_FILE = prj_$(ARCH).conf
+SOURCE_DIR = $(ZEPHYR_BASE)/samples/microkernel/apps/pci_enum/src/
+
+include ${ZEPHYR_BASE}/Makefile.inc

samples/nanokernel/apps/pci_enum/prj_x86.conf

@@ -0,0 +1,5 @@
+CONFIG_STDOUT_CONSOLE=y
+CONFIG_PRINTK=y
+CONFIG_EARLY_CONSOLE=y
+CONFIG_PCI_ENUMERATION=y
+CONFIG_PCI_DEBUG=y

samples/nanokernel/apps/pci_enum/testcase.ini

@@ -0,0 +1,6 @@
+[test]
+build_only = true
+tags = apps
+
+arch_whitelist = x86
+platform_whitelist = galileo basic_minuteia