pci: Add stub support for grackle (ppc)

A grackle-compatible Motorola MPC106 PCI controller can be found in the
PowerMac G3 (ticket #6247). For now just let the user know.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38323 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/bus_managers/pci/arch/ppc/Jamfile

@@ -13,4 +13,5 @@ KernelStaticLibrary pci_arch_bus_manager :
 	# openfirmware
 	pci_openfirmware.cpp
 	uninorth.cpp
+	grackle.cpp
 ;

src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/grackle.cpp

@@ -0,0 +1,78 @@
+/*
+ * Copyright 2010 Andreas Färber <[email protected]>
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+
+#include <KernelExport.h>
+
+#include <platform/openfirmware/devices.h>
+#include <platform/openfirmware/openfirmware.h>
+#include <platform/openfirmware/pci.h>
+
+#include "pci_controller.h"
+#include "pci_io.h"
+#include "pci_openfirmware_priv.h"
+
+
+static status_t
+grackle_read_pci_config(void *cookie, uint8 bus, uint8 device, uint8 function,
+	uint8 offset, uint8 size, uint32 *value)
+{
+	return B_ERROR;
+}
+
+
+static status_t
+grackle_write_pci_config(void *cookie, uint8 bus, uint8 device, uint8 function,
+	uint8 offset, uint8 size, uint32 value)
+{
+	return B_ERROR;
+}
+
+
+static status_t
+grackle_get_max_bus_devices(void *cookie, int32 *count)
+{
+	*count = 0;
+	return B_OK;
+}
+
+
+static status_t
+grackle_read_pci_irq(void *cookie, uint8 bus, uint8 device, uint8 function,
+	uint8 pin, uint8 *irq)
+{
+	return B_ERROR;
+}
+
+
+static status_t
+grackle_write_pci_irq(void *cookie, uint8 bus, uint8 device, uint8 function,
+	uint8 pin, uint8 irq)
+{
+	return B_ERROR;
+}
+
+
+static pci_controller sGracklePCIController = {
+	grackle_read_pci_config,
+	grackle_write_pci_config,
+	grackle_get_max_bus_devices,
+	grackle_read_pci_irq,
+	grackle_write_pci_irq,
+};
+
+
+status_t
+ppc_openfirmware_probe_grackle(int deviceNode,
+	const StringArrayPropertyValue &compatibleValue)
+{
+	if (!compatibleValue.ContainsElement("grackle"))
+		return B_ERROR;
+
+	panic("ppc_openfirmware_probe_grackle(): not implemented yet\n");
+
+	status_t error = pci_controller_add(&sGracklePCIController, NULL);
+	return error;
+}

src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware.cpp

@@ -21,6 +21,7 @@ typedef status_t (*probeFunction)(int, const StringArrayPropertyValue&);
 
 static const probeFunction sProbeFunctions[] = {
 	ppc_openfirmware_probe_uninorth,
+	ppc_openfirmware_probe_grackle,
 	NULL,
 };
 

src/add-ons/kernel/bus_managers/pci/arch/ppc/openfirmware/pci_openfirmware_priv.h

@@ -19,6 +19,8 @@ struct StringArrayPropertyValue;
 
 status_t	ppc_openfirmware_probe_uninorth(int deviceNode,
 				const StringArrayPropertyValue &compatibleValue);
+status_t	ppc_openfirmware_probe_grackle(int deviceNode,
+				const StringArrayPropertyValue &compatibleValue);
 
 
 // property support