[POWERPC] 4xx: Add AMCC Canyonlands 460EX eval board support to platf…

…orms/44x

Canyonlands is the AMCC 460EX eval board, featuring nearly all of the 460EX
interfaces:

- 1 * PCI (max 66MHz), 2 * PCIe (one 4-lane, one 1-lane)
- 2 * GBit Ethernet with TCP/IP acceleration
- USB 2.0 Host/Device OTG and Host interface
- SATA port

Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>

arch/powerpc/platforms/44x/Kconfig

@@ -67,6 +67,16 @@ config WARP
 	  See http://www.pikatechnologies.com/ and follow the "PIKA for Computer
 	  Telephony Developers" link for more information.
 
+config CANYONLANDS
+	bool "Canyonlands"
+	depends on 44x
+	default n
+	select 460EX
+	select PCI
+	select PPC4xx_PCI_EXPRESS
+	help
+	  This option enables support for the AMCC PPC460EX evaluation board.
+
 #config LUAN
 #	bool "Luan"
 #	depends on 44x
@@ -122,6 +132,14 @@ config 440SPe
 	bool
 	select IBM_NEW_EMAC_EMAC4
 
+config 460EX
+	bool
+	select PPC_FPU
+	select IBM_NEW_EMAC_EMAC4
+	select IBM_NEW_EMAC_RGMII
+	select IBM_NEW_EMAC_ZMII
+	select IBM_NEW_EMAC_TAH
+
 # 44x errata/workaround config symbols, selected by the CPU models above
 config IBM440EP_ERR42
 	bool

arch/powerpc/platforms/44x/Makefile

@@ -7,3 +7,4 @@ obj-$(CONFIG_KATMAI)	+= katmai.o
 obj-$(CONFIG_RAINIER)	+= rainier.o
 obj-$(CONFIG_WARP)	+= warp.o
 obj-$(CONFIG_WARP)	+= warp-nand.o
+obj-$(CONFIG_CANYONLANDS) += canyonlands.o

arch/powerpc/platforms/44x/canyonlands.c

@@ -0,0 +1,64 @@
+/*
+ * Canyonlands board specific routines
+ *
+ * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
+ *
+ * Based on the Katmai code by
+ * Benjamin Herrenschmidt <benh@kernel.crashing.org>
+ * Copyright 2007 IBM Corp.
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ * Copyright 2007 IBM Corporation
+ *
+ * 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 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/init.h>
+#include <linux/of_platform.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/pci-bridge.h>
+
+#include "44x.h"
+
+static __initdata struct of_device_id canyonlands_of_bus[] = {
+	{ .compatible = "ibm,plb4", },
+	{ .compatible = "ibm,opb", },
+	{ .compatible = "ibm,ebc", },
+	{},
+};
+
+static int __init canyonlands_device_probe(void)
+{
+	of_platform_bus_probe(NULL, canyonlands_of_bus, NULL);
+
+	return 0;
+}
+machine_device_initcall(canyonlands, canyonlands_device_probe);
+
+static int __init canyonlands_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (!of_flat_dt_is_compatible(root, "amcc,canyonlands"))
+		return 0;
+
+	ppc_pci_flags = PPC_PCI_REASSIGN_ALL_RSRC;
+
+	return 1;
+}
+
+define_machine(canyonlands) {
+	.name 				= "Canyonlands",
+	.probe 				= canyonlands_probe,
+	.progress 			= udbg_progress,
+	.init_IRQ 			= uic_init_tree,
+	.get_irq 			= uic_get_irq,
+	.restart			= ppc44x_reset_system,
+	.calibrate_decr			= generic_calibrate_decr,
+};