powerpc: Merge maple support code to arch/powerpc/platforms/maple

Signed-off-by: Paul Mackerras <paulus@samba.org>

4 files changed, 1 insertions, 1000 deletions

diff --git a/arch/ppc64/kernel/Makefile b/arch/ppc64/kernel/Makefile
index 3cf7f3dab51..327c08ce429 100644
--- a/arch/ppc64/kernel/Makefile
+++ b/arch/ppc64/kernel/Makefile
@@ -55,8 +55,7 @@ obj-$(CONFIG_HVCS)		+= hvcserver.o
 
 obj-$(CONFIG_PPC_PMAC)		+= udbg_scc.o
 
-obj-$(CONFIG_PPC_MAPLE)		+= maple_setup.o maple_pci.o maple_time.o \
-				   udbg_16550.o
+obj-$(CONFIG_PPC_MAPLE)		+= udbg_16550.o
 
 ifdef CONFIG_SMP
 obj-$(CONFIG_PPC_PMAC)		+= smp-tbsync.o
diff --git a/arch/ppc64/kernel/maple_pci.c b/arch/ppc64/kernel/maple_pci.c
deleted file mode 100644
index 633324b5e61..00000000000
--- a/arch/ppc64/kernel/maple_pci.c
+++ /dev/null
@@ -1,520 +0,0 @@
-/*
- * Copyright (C) 2004 Benjamin Herrenschmuidt (benh@kernel.crashing.org),
- *		      IBM Corp.
- *
- * 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.
- */
-
-#define DEBUG
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/bootmem.h>
-
-#include <asm/sections.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/pci-bridge.h>
-#include <asm/machdep.h>
-#include <asm/iommu.h>
-#include <asm/ppc-pci.h>
-
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-static struct pci_controller *u3_agp, *u3_ht;
-
-static int __init fixup_one_level_bus_range(struct device_node *node, int higher)
-{
-	for (; node != 0;node = node->sibling) {
-		int * bus_range;
-		unsigned int *class_code;
-		int len;
-
-		/* For PCI<->PCI bridges or CardBus bridges, we go down */
-		class_code = (unsigned int *) get_property(node, "class-code", NULL);
-		if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
-			(*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS))
-			continue;
-		bus_range = (int *) get_property(node, "bus-range", &len);
-		if (bus_range != NULL && len > 2 * sizeof(int)) {
-			if (bus_range[1] > higher)
-				higher = bus_range[1];
-		}
-		higher = fixup_one_level_bus_range(node->child, higher);
-	}
-	return higher;
-}
-
-/* This routine fixes the "bus-range" property of all bridges in the
- * system since they tend to have their "last" member wrong on macs
- *
- * Note that the bus numbers manipulated here are OF bus numbers, they
- * are not Linux bus numbers.
- */
-static void __init fixup_bus_range(struct device_node *bridge)
-{
-	int * bus_range;
-	int len;
-
-	/* Lookup the "bus-range" property for the hose */
-	bus_range = (int *) get_property(bridge, "bus-range", &len);
-	if (bus_range == NULL || len < 2 * sizeof(int)) {
-		printk(KERN_WARNING "Can't get bus-range for %s\n",
-			       bridge->full_name);
-		return;
-	}
-	bus_range[1] = fixup_one_level_bus_range(bridge->child, bus_range[1]);
-}
-
-
-#define U3_AGP_CFA0(devfn, off)	\
-	((1 << (unsigned long)PCI_SLOT(dev_fn)) \
-	| (((unsigned long)PCI_FUNC(dev_fn)) << 8) \
-	| (((unsigned long)(off)) & 0xFCUL))
-
-#define U3_AGP_CFA1(bus, devfn, off)	\
-	((((unsigned long)(bus)) << 16) \
-	|(((unsigned long)(devfn)) << 8) \
-	|(((unsigned long)(off)) & 0xFCUL) \
-	|1UL)
-
-static unsigned long u3_agp_cfg_access(struct pci_controller* hose,
-				       u8 bus, u8 dev_fn, u8 offset)
-{
-	unsigned int caddr;
-
-	if (bus == hose->first_busno) {
-		if (dev_fn < (11 << 3))
-			return 0;
-		caddr = U3_AGP_CFA0(dev_fn, offset);
-	} else
-		caddr = U3_AGP_CFA1(bus, dev_fn, offset);
-
-	/* Uninorth will return garbage if we don't read back the value ! */
-	do {
-		out_le32(hose->cfg_addr, caddr);
-	} while (in_le32(hose->cfg_addr) != caddr);
-
-	offset &= 0x07;
-	return ((unsigned long)hose->cfg_data) + offset;
-}
-
-static int u3_agp_read_config(struct pci_bus *bus, unsigned int devfn,
-			      int offset, int len, u32 *val)
-{
-	struct pci_controller *hose;
-	unsigned long addr;
-
-	hose = pci_bus_to_host(bus);
-	if (hose == NULL)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	addr = u3_agp_cfg_access(hose, bus->number, devfn, offset);
-	if (!addr)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-	/*
-	 * Note: the caller has already checked that offset is
-	 * suitably aligned and that len is 1, 2 or 4.
-	 */
-	switch (len) {
-	case 1:
-		*val = in_8((u8 *)addr);
-		break;
-	case 2:
-		*val = in_le16((u16 *)addr);
-		break;
-	default:
-		*val = in_le32((u32 *)addr);
-		break;
-	}
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int u3_agp_write_config(struct pci_bus *bus, unsigned int devfn,
-			       int offset, int len, u32 val)
-{
-	struct pci_controller *hose;
-	unsigned long addr;
-
-	hose = pci_bus_to_host(bus);
-	if (hose == NULL)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	addr = u3_agp_cfg_access(hose, bus->number, devfn, offset);
-	if (!addr)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-	/*
-	 * Note: the caller has already checked that offset is
-	 * suitably aligned and that len is 1, 2 or 4.
-	 */
-	switch (len) {
-	case 1:
-		out_8((u8 *)addr, val);
-		(void) in_8((u8 *)addr);
-		break;
-	case 2:
-		out_le16((u16 *)addr, val);
-		(void) in_le16((u16 *)addr);
-		break;
-	default:
-		out_le32((u32 *)addr, val);
-		(void) in_le32((u32 *)addr);
-		break;
-	}
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops u3_agp_pci_ops =
-{
-	u3_agp_read_config,
-	u3_agp_write_config
-};
-
-
-#define U3_HT_CFA0(devfn, off)		\
-		((((unsigned long)devfn) << 8) | offset)
-#define U3_HT_CFA1(bus, devfn, off)	\
-		(U3_HT_CFA0(devfn, off) \
-		+ (((unsigned long)bus) << 16) \
-		+ 0x01000000UL)
-
-static unsigned long u3_ht_cfg_access(struct pci_controller* hose,
-				      u8 bus, u8 devfn, u8 offset)
-{
-	if (bus == hose->first_busno) {
-		if (PCI_SLOT(devfn) == 0)
-			return 0;
-		return ((unsigned long)hose->cfg_data) + U3_HT_CFA0(devfn, offset);
-	} else
-		return ((unsigned long)hose->cfg_data) + U3_HT_CFA1(bus, devfn, offset);
-}
-
-static int u3_ht_read_config(struct pci_bus *bus, unsigned int devfn,
-			     int offset, int len, u32 *val)
-{
-	struct pci_controller *hose;
-	unsigned long addr;
-
-	hose = pci_bus_to_host(bus);
-	if (hose == NULL)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	addr = u3_ht_cfg_access(hose, bus->number, devfn, offset);
-	if (!addr)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	/*
-	 * Note: the caller has already checked that offset is
-	 * suitably aligned and that len is 1, 2 or 4.
-	 */
-	switch (len) {
-	case 1:
-		*val = in_8((u8 *)addr);
-		break;
-	case 2:
-		*val = in_le16((u16 *)addr);
-		break;
-	default:
-		*val = in_le32((u32 *)addr);
-		break;
-	}
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int u3_ht_write_config(struct pci_bus *bus, unsigned int devfn,
-			      int offset, int len, u32 val)
-{
-	struct pci_controller *hose;
-	unsigned long addr;
-
-	hose = pci_bus_to_host(bus);
-	if (hose == NULL)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-
-	addr = u3_ht_cfg_access(hose, bus->number, devfn, offset);
-	if (!addr)
-		return PCIBIOS_DEVICE_NOT_FOUND;
-	/*
-	 * Note: the caller has already checked that offset is
-	 * suitably aligned and that len is 1, 2 or 4.
-	 */
-	switch (len) {
-	case 1:
-		out_8((u8 *)addr, val);
-		(void) in_8((u8 *)addr);
-		break;
-	case 2:
-		out_le16((u16 *)addr, val);
-		(void) in_le16((u16 *)addr);
-		break;
-	default:
-		out_le32((u32 *)addr, val);
-		(void) in_le32((u32 *)addr);
-		break;
-	}
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops u3_ht_pci_ops =
-{
-	u3_ht_read_config,
-	u3_ht_write_config
-};
-
-static void __init setup_u3_agp(struct pci_controller* hose)
-{
-	/* On G5, we move AGP up to high bus number so we don't need
-	 * to reassign bus numbers for HT. If we ever have P2P bridges
-	 * on AGP, we'll have to move pci_assign_all_buses to the
-	 * pci_controller structure so we enable it for AGP and not for
-	 * HT childs.
-	 * We hard code the address because of the different size of
-	 * the reg address cell, we shall fix that by killing struct
-	 * reg_property and using some accessor functions instead
-	 */
-	hose->first_busno = 0xf0;
-	hose->last_busno = 0xff;
-	hose->ops = &u3_agp_pci_ops;
-	hose->cfg_addr = ioremap(0xf0000000 + 0x800000, 0x1000);
-	hose->cfg_data = ioremap(0xf0000000 + 0xc00000, 0x1000);
-
-	u3_agp = hose;
-}
-
-static void __init setup_u3_ht(struct pci_controller* hose)
-{
-	hose->ops = &u3_ht_pci_ops;
-
-	/* We hard code the address because of the different size of
-	 * the reg address cell, we shall fix that by killing struct
-	 * reg_property and using some accessor functions instead
-	 */
-	hose->cfg_data = (volatile unsigned char *)ioremap(0xf2000000, 0x02000000);
-
-	hose->first_busno = 0;
-	hose->last_busno = 0xef;
-
-	u3_ht = hose;
-}
-
-static int __init add_bridge(struct device_node *dev)
-{
-	int len;
-	struct pci_controller *hose;
-	char* disp_name;
-	int *bus_range;
-	int primary = 1;
-	struct property *of_prop;
-
-	DBG("Adding PCI host bridge %s\n", dev->full_name);
-
-	bus_range = (int *) get_property(dev, "bus-range", &len);
-	if (bus_range == NULL || len < 2 * sizeof(int)) {
-		printk(KERN_WARNING "Can't get bus-range for %s, assume bus 0\n",
-		dev->full_name);
-	}
-
-	hose = alloc_bootmem(sizeof(struct pci_controller));
-	if (hose == NULL)
-		return -ENOMEM;
-	pci_setup_pci_controller(hose);
-
-	hose->arch_data = dev;
-	hose->first_busno = bus_range ? bus_range[0] : 0;
-	hose->last_busno = bus_range ? bus_range[1] : 0xff;
-
-	of_prop = alloc_bootmem(sizeof(struct property) +
-				sizeof(hose->global_number));
-	if (of_prop) {
-		memset(of_prop, 0, sizeof(struct property));
-		of_prop->name = "linux,pci-domain";
-		of_prop->length = sizeof(hose->global_number);
-		of_prop->value = (unsigned char *)&of_prop[1];
-		memcpy(of_prop->value, &hose->global_number, sizeof(hose->global_number));
-		prom_add_property(dev, of_prop);
-	}
-
-	disp_name = NULL;
-	if (device_is_compatible(dev, "u3-agp")) {
-		setup_u3_agp(hose);
-		disp_name = "U3-AGP";
-		primary = 0;
-	} else if (device_is_compatible(dev, "u3-ht")) {
-		setup_u3_ht(hose);
-		disp_name = "U3-HT";
-		primary = 1;
-	}
-	printk(KERN_INFO "Found %s PCI host bridge. Firmware bus number: %d->%d\n",
-		disp_name, hose->first_busno, hose->last_busno);
-
-	/* Interpret the "ranges" property */
-	/* This also maps the I/O region and sets isa_io/mem_base */
-	pci_process_bridge_OF_ranges(hose, dev, primary);
-	pci_setup_phb_io(hose, primary);
-
-	/* Fixup "bus-range" OF property */
-	fixup_bus_range(dev);
-
-	return 0;
-}
-
-
-void __init maple_pcibios_fixup(void)
-{
-	struct pci_dev *dev = NULL;
-
-	DBG(" -> maple_pcibios_fixup\n");
-
-	for_each_pci_dev(dev)
-		pci_read_irq_line(dev);
-
-	/* Do the mapping of the IO space */
-	phbs_remap_io();
-
-	DBG(" <- maple_pcibios_fixup\n");
-}
-
-static void __init maple_fixup_phb_resources(void)
-{
-	struct pci_controller *hose, *tmp;
-	
-	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
-		unsigned long offset = (unsigned long)hose->io_base_virt - pci_io_base;
-		hose->io_resource.start += offset;
-		hose->io_resource.end += offset;
-		printk(KERN_INFO "PCI Host %d, io start: %lx; io end: %lx\n",
-		       hose->global_number,
-		       hose->io_resource.start, hose->io_resource.end);
-	}
-}
-
-void __init maple_pci_init(void)
-{
-	struct device_node *np, *root;
-	struct device_node *ht = NULL;
-
-	/* Probe root PCI hosts, that is on U3 the AGP host and the
-	 * HyperTransport host. That one is actually "kept" around
-	 * and actually added last as it's resource management relies
-	 * on the AGP resources to have been setup first
-	 */
-	root = of_find_node_by_path("/");
-	if (root == NULL) {
-		printk(KERN_CRIT "maple_find_bridges: can't find root of device tree\n");
-		return;
-	}
-	for (np = NULL; (np = of_get_next_child(root, np)) != NULL;) {
-		if (np->name == NULL)
-			continue;
-		if (strcmp(np->name, "pci") == 0) {
-			if (add_bridge(np) == 0)
-				of_node_get(np);
-		}
-		if (strcmp(np->name, "ht") == 0) {
-			of_node_get(np);
-			ht = np;
-		}
-	}
-	of_node_put(root);
-
-	/* Now setup the HyperTransport host if we found any
-	 */
-	if (ht && add_bridge(ht) != 0)
-		of_node_put(ht);
-
-	/* Fixup the IO resources on our host bridges as the common code
-	 * does it only for childs of the host bridges
-	 */
-	maple_fixup_phb_resources();
-
-	/* Setup the linkage between OF nodes and PHBs */ 
-	pci_devs_phb_init();
-
-	/* Fixup the PCI<->OF mapping for U3 AGP due to bus renumbering. We
-	 * assume there is no P2P bridge on the AGP bus, which should be a
-	 * safe assumptions hopefully.
-	 */
-	if (u3_agp) {
-		struct device_node *np = u3_agp->arch_data;
-		PCI_DN(np)->busno = 0xf0;
-		for (np = np->child; np; np = np->sibling)
-			PCI_DN(np)->busno = 0xf0;
-	}
-
-	/* Tell pci.c to use the common resource allocation mecanism */
-	pci_probe_only = 0;
-	
-	/* Allow all IO */
-	io_page_mask = -1;
-}
-
-int maple_pci_get_legacy_ide_irq(struct pci_dev *pdev, int channel)
-{
-	struct device_node *np;
-	int irq = channel ? 15 : 14;
-
-	if (pdev->vendor != PCI_VENDOR_ID_AMD ||
-	    pdev->device != PCI_DEVICE_ID_AMD_8111_IDE)
-		return irq;
-
-	np = pci_device_to_OF_node(pdev);
-	if (np == NULL)
-		return irq;
-	if (np->n_intrs < 2)
-		return irq;
-	return np->intrs[channel & 0x1].line;
-}
-
-/* XXX: To remove once all firmwares are ok */
-static void fixup_maple_ide(struct pci_dev* dev)
-{
-#if 0 /* Enable this to enable IDE port 0 */
-	{
-		u8 v;
-
-		pci_read_config_byte(dev, 0x40, &v);
-		v |= 2;
-		pci_write_config_byte(dev, 0x40, v);
-	}
-#endif
-#if 0 /* fix bus master base */
-	pci_write_config_dword(dev, 0x20, 0xcc01);
-	printk("old ide resource: %lx -> %lx \n",
-	       dev->resource[4].start, dev->resource[4].end);
-	dev->resource[4].start = 0xcc00;
-	dev->resource[4].end = 0xcc10;
-#endif
-#if 1 /* Enable this to fixup IDE sense/polarity of irqs in IO-APICs */
-	{
-		struct pci_dev *apicdev;
-		u32 v;
-
-		apicdev = pci_get_slot (dev->bus, PCI_DEVFN(5,0));
-		if (apicdev == NULL)
-			printk("IDE Fixup IRQ: Can't find IO-APIC !\n");
-		else {
-			pci_write_config_byte(apicdev, 0xf2, 0x10 + 2*14);
-			pci_read_config_dword(apicdev, 0xf4, &v);
-			v &= ~0x00000022;
-			pci_write_config_dword(apicdev, 0xf4, v);
-			pci_write_config_byte(apicdev, 0xf2, 0x10 + 2*15);
-			pci_read_config_dword(apicdev, 0xf4, &v);
-			v &= ~0x00000022;
-			pci_write_config_dword(apicdev, 0xf4, v);
-			pci_dev_put(apicdev);
-		}
-	}
-#endif
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_IDE,
-			 fixup_maple_ide);
diff --git a/arch/ppc64/kernel/maple_setup.c b/arch/ppc64/kernel/maple_setup.c
deleted file mode 100644
index a107ed69a35..00000000000
--- a/arch/ppc64/kernel/maple_setup.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- *  arch/ppc64/kernel/maple_setup.c
- *
- *  (c) Copyright 2004 Benjamin Herrenschmidt (benh@kernel.crashing.org),
- *                     IBM Corp. 
- *
- *  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.
- *
- */
-
-#define DEBUG
-
-#include <linux/config.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/tty.h>
-#include <linux/string.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/major.h>
-#include <linux/initrd.h>
-#include <linux/vt_kern.h>
-#include <linux/console.h>
-#include <linux/ide.h>
-#include <linux/pci.h>
-#include <linux/adb.h>
-#include <linux/cuda.h>
-#include <linux/pmu.h>
-#include <linux/irq.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.h>
-#include <linux/serial.h>
-#include <linux/smp.h>
-
-#include <asm/processor.h>
-#include <asm/sections.h>
-#include <asm/prom.h>
-#include <asm/system.h>
-#include <asm/pgtable.h>
-#include <asm/bitops.h>
-#include <asm/io.h>
-#include <asm/pci-bridge.h>
-#include <asm/iommu.h>
-#include <asm/machdep.h>
-#include <asm/dma.h>
-#include <asm/cputable.h>
-#include <asm/time.h>
-#include <asm/of_device.h>
-#include <asm/lmb.h>
-#include <asm/mpic.h>
-#include <asm/udbg.h>
-
-#ifdef DEBUG
-#define DBG(fmt...) udbg_printf(fmt)
-#else
-#define DBG(fmt...)
-#endif
-
-extern int maple_set_rtc_time(struct rtc_time *tm);
-extern void maple_get_rtc_time(struct rtc_time *tm);
-extern unsigned long maple_get_boot_time(void);
-extern void maple_calibrate_decr(void);
-extern void maple_pci_init(void);
-extern void maple_pcibios_fixup(void);
-extern int maple_pci_get_legacy_ide_irq(struct pci_dev *dev, int channel);
-extern void generic_find_legacy_serial_ports(u64 *physport,
-		unsigned int *default_speed);
-
-static void maple_restart(char *cmd)
-{
-	unsigned int maple_nvram_base;
-	unsigned int maple_nvram_offset;
-	unsigned int maple_nvram_command;
-	struct device_node *rtcs;
-
-	/* find NVRAM device */
-	rtcs = find_compatible_devices("nvram", "AMD8111");
-	if (rtcs && rtcs->addrs) {
-		maple_nvram_base = rtcs->addrs[0].address;
-	} else {
-		printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-		printk(KERN_EMERG "Maple: Manual Restart Required\n");
-		return;
-	}
-
-	/* find service processor device */
-	rtcs = find_devices("service-processor");
-	if (!rtcs) {
-		printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-		printk(KERN_EMERG "Maple: Manual Restart Required\n");
-		return;
-	}
-	maple_nvram_offset = *(unsigned int*) get_property(rtcs,
-			"restart-addr", NULL);
-	maple_nvram_command = *(unsigned int*) get_property(rtcs,
-			"restart-value", NULL);
-
-	/* send command */
-	outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
-	for (;;) ;
-}
-
-static void maple_power_off(void)
-{
-	unsigned int maple_nvram_base;
-	unsigned int maple_nvram_offset;
-	unsigned int maple_nvram_command;
-	struct device_node *rtcs;
-
-	/* find NVRAM device */
-	rtcs = find_compatible_devices("nvram", "AMD8111");
-	if (rtcs && rtcs->addrs) {
-		maple_nvram_base = rtcs->addrs[0].address;
-	} else {
-		printk(KERN_EMERG "Maple: Unable to find NVRAM\n");
-		printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-		return;
-	}
-
-	/* find service processor device */
-	rtcs = find_devices("service-processor");
-	if (!rtcs) {
-		printk(KERN_EMERG "Maple: Unable to find Service Processor\n");
-		printk(KERN_EMERG "Maple: Manual Power-Down Required\n");
-		return;
-	}
-	maple_nvram_offset = *(unsigned int*) get_property(rtcs,
-			"power-off-addr", NULL);
-	maple_nvram_command = *(unsigned int*) get_property(rtcs,
-			"power-off-value", NULL);
-
-	/* send command */
-	outb_p(maple_nvram_command, maple_nvram_base + maple_nvram_offset);
-	for (;;) ;
-}
-
-static void maple_halt(void)
-{
-	maple_power_off();
-}
-
-#ifdef CONFIG_SMP
-struct smp_ops_t maple_smp_ops = {
-	.probe		= smp_mpic_probe,
-	.message_pass	= smp_mpic_message_pass,
-	.kick_cpu	= smp_generic_kick_cpu,
-	.setup_cpu	= smp_mpic_setup_cpu,
-	.give_timebase	= smp_generic_give_timebase,
-	.take_timebase	= smp_generic_take_timebase,
-};
-#endif /* CONFIG_SMP */
-
-void __init maple_setup_arch(void)
-{
-	/* init to some ~sane value until calibrate_delay() runs */
-	loops_per_jiffy = 50000000;
-
-	/* Setup SMP callback */
-#ifdef CONFIG_SMP
-	smp_ops = &maple_smp_ops;
-#endif
-	/* Lookup PCI hosts */
-       	maple_pci_init();
-
-#ifdef CONFIG_DUMMY_CONSOLE
-	conswitchp = &dummy_con;
-#endif
-
-	printk(KERN_INFO "Using native/NAP idle loop\n");
-}
-
-/* 
- * Early initialization.
- */
-static void __init maple_init_early(void)
-{
-	unsigned int default_speed;
-	u64 physport;
-
-	DBG(" -> maple_init_early\n");
-
-	/* Initialize hash table, from now on, we can take hash faults
-	 * and call ioremap
-	 */
-	hpte_init_native();
-
-	/* Find the serial port */
-	generic_find_legacy_serial_ports(&physport, &default_speed);
-
-	DBG("phys port addr: %lx\n", (long)physport);
-
-	if (physport) {
-		void *comport;
-		/* Map the uart for udbg. */
-		comport = (void *)ioremap(physport, 16);
-		udbg_init_uart(comport, default_speed);
-
-		DBG("Hello World !\n");
-	}
-
-	/* Setup interrupt mapping options */
-	ppc64_interrupt_controller = IC_OPEN_PIC;
-
-	iommu_init_early_u3();
-
-	DBG(" <- maple_init_early\n");
-}
-
-
-static __init void maple_init_IRQ(void)
-{
-	struct device_node *root;
-	unsigned int *opprop;
-	unsigned long opic_addr;
-	struct mpic *mpic;
-	unsigned char senses[128];
-	int n;
-
-	DBG(" -> maple_init_IRQ\n");
-
-	/* XXX: Non standard, replace that with a proper openpic/mpic node
-	 * in the device-tree. Find the Open PIC if present */
-	root = of_find_node_by_path("/");
-	opprop = (unsigned int *) get_property(root,
-				"platform-open-pic", NULL);
-	if (opprop == 0)
-		panic("OpenPIC not found !\n");
-
-	n = prom_n_addr_cells(root);
-	for (opic_addr = 0; n > 0; --n)
-		opic_addr = (opic_addr << 32) + *opprop++;
-	of_node_put(root);
-
-	/* Obtain sense values from device-tree */
-	prom_get_irq_senses(senses, 0, 128);
-
-	mpic = mpic_alloc(opic_addr,
-			  MPIC_PRIMARY | MPIC_BIG_ENDIAN |
-			  MPIC_BROKEN_U3 | MPIC_WANTS_RESET,
-			  0, 0, 128, 128, senses, 128, "U3-MPIC");
-	BUG_ON(mpic == NULL);
-	mpic_init(mpic);
-
-	DBG(" <- maple_init_IRQ\n");
-}
-
-static void __init maple_progress(char *s, unsigned short hex)
-{
-	printk("*** %04x : %s\n", hex, s ? s : "");
-}
-
-
-/*
- * Called very early, MMU is off, device-tree isn't unflattened
- */
-static int __init maple_probe(int platform)
-{
-	if (platform != PLATFORM_MAPLE)
-		return 0;
-	/*
-	 * On U3, the DART (iommu) must be allocated now since it
-	 * has an impact on htab_initialize (due to the large page it
-	 * occupies having to be broken up so the DART itself is not
-	 * part of the cacheable linar mapping
-	 */
-	alloc_u3_dart_table();
-
-	return 1;
-}
-
-struct machdep_calls __initdata maple_md = {
-	.probe			= maple_probe,
-	.setup_arch		= maple_setup_arch,
-	.init_early		= maple_init_early,
-	.init_IRQ		= maple_init_IRQ,
-	.get_irq		= mpic_get_irq,
-	.pcibios_fixup		= maple_pcibios_fixup,
-	.pci_get_legacy_ide_irq	= maple_pci_get_legacy_ide_irq,
-	.restart		= maple_restart,
-	.power_off		= maple_power_off,
-	.halt			= maple_halt,
-       	.get_boot_time		= maple_get_boot_time,
-       	.set_rtc_time		= maple_set_rtc_time,
-       	.get_rtc_time		= maple_get_rtc_time,
-      	.calibrate_decr		= generic_calibrate_decr,
-	.progress		= maple_progress,
-	.idle_loop		= native_idle,
-};
diff --git a/arch/ppc64/kernel/maple_time.c b/arch/ppc64/kernel/maple_time.c
deleted file mode 100644
index 445cb7470bf..00000000000
--- a/arch/ppc64/kernel/maple_time.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- *  arch/ppc64/kernel/maple_time.c
- *
- *  (c) Copyright 2004 Benjamin Herrenschmidt (benh@kernel.crashing.org),
- *                     IBM Corp. 
- *
- *  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.
- *
- */
-
-#undef DEBUG
-
-#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/time.h>
-#include <linux/adb.h>
-#include <linux/pmu.h>
-#include <linux/interrupt.h>
-#include <linux/mc146818rtc.h>
-#include <linux/bcd.h>
-
-#include <asm/sections.h>
-#include <asm/prom.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/machdep.h>
-#include <asm/time.h>
-
-#ifdef DEBUG
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
-extern void GregorianDay(struct rtc_time * tm);
-
-static int maple_rtc_addr;
-
-static int maple_clock_read(int addr)
-{
-	outb_p(addr, maple_rtc_addr);
-	return inb_p(maple_rtc_addr+1);
-}
-
-static void maple_clock_write(unsigned long val, int addr)
-{
-	outb_p(addr, maple_rtc_addr);
-	outb_p(val, maple_rtc_addr+1);
-}
-
-void maple_get_rtc_time(struct rtc_time *tm)
-{
-	int uip, i;
-
-	/* The Linux interpretation of the CMOS clock register contents:
-	 * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-	 * RTC registers show the second which has precisely just started.
-	 * Let's hope other operating systems interpret the RTC the same way.
-	 */
-
-	/* Since the UIP flag is set for about 2.2 ms and the clock
-	 * is typically written with a precision of 1 jiffy, trying
-	 * to obtain a precision better than a few milliseconds is
-	 * an illusion. Only consistency is interesting, this also
-	 * allows to use the routine for /dev/rtc without a potential
-	 * 1 second kernel busy loop triggered by any reader of /dev/rtc.
-	 */
-
-	for (i = 0; i<1000000; i++) {
-		uip = maple_clock_read(RTC_FREQ_SELECT);
-		tm->tm_sec = maple_clock_read(RTC_SECONDS);
-		tm->tm_min = maple_clock_read(RTC_MINUTES);
-		tm->tm_hour = maple_clock_read(RTC_HOURS);
-		tm->tm_mday = maple_clock_read(RTC_DAY_OF_MONTH);
-		tm->tm_mon = maple_clock_read(RTC_MONTH);
-		tm->tm_year = maple_clock_read(RTC_YEAR);
-		uip |= maple_clock_read(RTC_FREQ_SELECT);
-		if ((uip & RTC_UIP)==0)
-			break;
-	}
-
-	if (!(maple_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
-	    || RTC_ALWAYS_BCD) {
-		BCD_TO_BIN(tm->tm_sec);
-		BCD_TO_BIN(tm->tm_min);
-		BCD_TO_BIN(tm->tm_hour);
-		BCD_TO_BIN(tm->tm_mday);
-		BCD_TO_BIN(tm->tm_mon);
-		BCD_TO_BIN(tm->tm_year);
-	  }
-	if ((tm->tm_year + 1900) < 1970)
-		tm->tm_year += 100;
-
-	GregorianDay(tm);
-}
-
-int maple_set_rtc_time(struct rtc_time *tm)
-{
-	unsigned char save_control, save_freq_select;
-	int sec, min, hour, mon, mday, year;
-
-	spin_lock(&rtc_lock);
-
-	save_control = maple_clock_read(RTC_CONTROL); /* tell the clock it's being set */
-
-	maple_clock_write((save_control|RTC_SET), RTC_CONTROL);
-
-	save_freq_select = maple_clock_read(RTC_FREQ_SELECT); /* stop and reset prescaler */
-
-	maple_clock_write((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
-
-	sec = tm->tm_sec;
-	min = tm->tm_min;
-	hour = tm->tm_hour;
-	mon = tm->tm_mon;
-	mday = tm->tm_mday;
-	year = tm->tm_year;
-
-	if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-		BIN_TO_BCD(sec);
-		BIN_TO_BCD(min);
-		BIN_TO_BCD(hour);
-		BIN_TO_BCD(mon);
-		BIN_TO_BCD(mday);
-		BIN_TO_BCD(year);
-	}
-	maple_clock_write(sec, RTC_SECONDS);
-	maple_clock_write(min, RTC_MINUTES);
-	maple_clock_write(hour, RTC_HOURS);
-	maple_clock_write(mon, RTC_MONTH);
-	maple_clock_write(mday, RTC_DAY_OF_MONTH);
-	maple_clock_write(year, RTC_YEAR);
-
-	/* The following flags have to be released exactly in this order,
-	 * otherwise the DS12887 (popular MC146818A clone with integrated
-	 * battery and quartz) will not reset the oscillator and will not
-	 * update precisely 500 ms later. You won't find this mentioned in
-	 * the Dallas Semiconductor data sheets, but who believes data
-	 * sheets anyway ...                           -- Markus Kuhn
-	 */
-	maple_clock_write(save_control, RTC_CONTROL);
-	maple_clock_write(save_freq_select, RTC_FREQ_SELECT);
-
-	spin_unlock(&rtc_lock);
-
-	return 0;
-}
-
-unsigned long __init maple_get_boot_time(void)
-{
-	struct rtc_time tm;
-	struct device_node *rtcs;
-
-	rtcs = find_compatible_devices("rtc", "pnpPNP,b00");
-	if (rtcs && rtcs->addrs) {
-		maple_rtc_addr = rtcs->addrs[0].address;
-		printk(KERN_INFO "Maple: Found RTC at 0x%x\n", maple_rtc_addr);
-	} else {
-		maple_rtc_addr = RTC_PORT(0); /* legacy address */
-		printk(KERN_INFO "Maple: No device node for RTC, assuming "
-		       "legacy address (0x%x)\n", maple_rtc_addr);
-	}
-	
-	maple_get_rtc_time(&tm);
-	return mktime(tm.tm_year+1900, tm.tm_mon+1, tm.tm_mday,
-		      tm.tm_hour, tm.tm_min, tm.tm_sec);
-}
-