1 files changed, 0 insertions, 419 deletions
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
deleted file mode 100644
index f211839e2cae..000000000000
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ /dev/null
@@ -1,419 +0,0 @@
-/* pci-vdk.c: MB93090-MB00 (VDK) PCI support
- *
- * Copyright (C) 2003, 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * 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/types.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-
-#include <asm/segment.h>
-#include <asm/io.h>
-#include <asm/mb-regs.h>
-#include <asm/mb86943a.h>
-#include "pci-frv.h"
-
-unsigned int __nongpreldata pci_probe = 1;
-
-struct pci_ops *__nongpreldata pci_root_ops;
-
-/*
- * The accessible PCI window does not cover the entire CPU address space, but
- * there are devices we want to access outside of that window, so we need to
- * insert specific PCI bus resources instead of using the platform-level bus
- * resources directly for the PCI root bus.
- *
- * These are configured and inserted by pcibios_init() and are attached to the
- * root bus by pcibios_fixup_bus().
- */
-static struct resource pci_ioport_resource = {
-	.name	= "PCI IO",
-	.start	= 0,
-	.end	= IO_SPACE_LIMIT,
-	.flags	= IORESOURCE_IO,
-};
-
-static struct resource pci_iomem_resource = {
-	.name	= "PCI mem",
-	.start	= 0,
-	.end	= -1,
-	.flags	= IORESOURCE_MEM,
-};
-
-/*
- * Functions for accessing PCI configuration space
- */
-
-#define CONFIG_CMD(bus, dev, where) \
-	(0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
-
-#define __set_PciCfgAddr(A) writel((A), (volatile void __iomem *) __region_CS1 + 0x80)
-
-#define __get_PciCfgDataB(A) readb((volatile void __iomem *) __region_CS1 + 0x88 + ((A) & 3))
-#define __get_PciCfgDataW(A) readw((volatile void __iomem *) __region_CS1 + 0x88 + ((A) & 2))
-#define __get_PciCfgDataL(A) readl((volatile void __iomem *) __region_CS1 + 0x88)
-
-#define __set_PciCfgDataB(A,V) \
-	writeb((V), (volatile void __iomem *) __region_CS1 + 0x88 + (3 - ((A) & 3)))
-
-#define __set_PciCfgDataW(A,V) \
-	writew((V), (volatile void __iomem *) __region_CS1 + 0x88 + (2 - ((A) & 2)))
-
-#define __set_PciCfgDataL(A,V) \
-	writel((V), (volatile void __iomem *) __region_CS1 + 0x88)
-
-#define __get_PciBridgeDataB(A) readb((volatile void __iomem *) __region_CS1 + 0x800 + (A))
-#define __get_PciBridgeDataW(A) readw((volatile void __iomem *) __region_CS1 + 0x800 + (A))
-#define __get_PciBridgeDataL(A) readl((volatile void __iomem *) __region_CS1 + 0x800 + (A))
-
-#define __set_PciBridgeDataB(A,V) writeb((V), (volatile void __iomem *) __region_CS1 + 0x800 + (A))
-#define __set_PciBridgeDataW(A,V) writew((V), (volatile void __iomem *) __region_CS1 + 0x800 + (A))
-#define __set_PciBridgeDataL(A,V) writel((V), (volatile void __iomem *) __region_CS1 + 0x800 + (A))
-
-static inline int __query(const struct pci_dev *dev)
-{
-//	return dev->bus->number==0 && (dev->devfn==PCI_DEVFN(0,0));
-//	return dev->bus->number==1;
-//	return dev->bus->number==0 &&
-//		(dev->devfn==PCI_DEVFN(2,0) || dev->devfn==PCI_DEVFN(3,0));
-	return 0;
-}
-
-/*****************************************************************************/
-/*
- *
- */
-static int pci_frv_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
-			       u32 *val)
-{
-	u32 _value;
-
-	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {
-		_value = __get_PciBridgeDataL(where & ~3);
-	}
-	else {
-		__set_PciCfgAddr(CONFIG_CMD(bus, devfn, where));
-		_value = __get_PciCfgDataL(where & ~3);
-	}
-
-	switch (size) {
-	case 1:
-		_value = _value >> ((where & 3) * 8);
-		break;
-
-	case 2:
-		_value = _value >> ((where & 2) * 8);
-		break;
-
-	case 4:
-		break;
-
-	default:
-		BUG();
-	}
-
-	*val = _value;
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_frv_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
-				u32 value)
-{
-	switch (size) {
-	case 1:
-		if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {
-			__set_PciBridgeDataB(where, value);
-		}
-		else {
-			__set_PciCfgAddr(CONFIG_CMD(bus, devfn, where));
-			__set_PciCfgDataB(where, value);
-		}
-		break;
-
-	case 2:
-		if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {
-			__set_PciBridgeDataW(where, value);
-		}
-		else {
-			__set_PciCfgAddr(CONFIG_CMD(bus, devfn, where));
-			__set_PciCfgDataW(where, value);
-		}
-		break;
-
-	case 4:
-		if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {
-			__set_PciBridgeDataL(where, value);
-		}
-		else {
-			__set_PciCfgAddr(CONFIG_CMD(bus, devfn, where));
-			__set_PciCfgDataL(where, value);
-		}
-		break;
-
-	default:
-		BUG();
-	}
-
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops pci_direct_frv = {
-	.read = pci_frv_read_config,
-	.write = pci_frv_write_config,
-};
-
-/*
- * Before we decide to use direct hardware access mechanisms, we try to do some
- * trivial checks to ensure it at least _seems_ to be working -- we just test
- * whether bus 00 contains a host bridge (this is similar to checking
- * techniques used in XFree86, but ours should be more reliable since we
- * attempt to make use of direct access hints provided by the PCI BIOS).
- *
- * This should be close to trivial, but it isn't, because there are buggy
- * chipsets (yes, you guessed it, by Intel and Compaq) that have no class ID.
- */
-static int __init pci_sanity_check(struct pci_ops *o)
-{
-	struct pci_bus bus;		/* Fake bus and device */
-	u32 id;
-
-	bus.number	= 0;
-
-	if (o->read(&bus, 0, PCI_VENDOR_ID, 4, &id) == PCIBIOS_SUCCESSFUL) {
-		printk("PCI: VDK Bridge device:vendor: %08x\n", id);
-		if (id == 0x200e10cf)
-			return 1;
-	}
-
-	printk("PCI: VDK Bridge: Sanity check failed\n");
-	return 0;
-}
-
-static struct pci_ops * __init pci_check_direct(void)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-
-	/* check if access works */
-	if (pci_sanity_check(&pci_direct_frv)) {
-		local_irq_restore(flags);
-		printk("PCI: Using configuration frv\n");
-//		request_mem_region(0xBE040000, 256, "FRV bridge");
-//		request_mem_region(0xBFFFFFF4, 12, "PCI frv");
-		return &pci_direct_frv;
-	}
-
-	local_irq_restore(flags);
-	return NULL;
-}
-
-/*
- * Exceptions for specific devices. Usually work-arounds for fatal design flaws.
- */
-
-static void __init pci_fixup_umc_ide(struct pci_dev *d)
-{
-	/*
-	 * UM8886BF IDE controller sets region type bits incorrectly,
-	 * therefore they look like memory despite of them being I/O.
-	 */
-	int i;
-
-	printk("PCI: Fixing base address flags for device %s\n", pci_name(d));
-	for(i=0; i<4; i++)
-		d->resource[i].flags |= PCI_BASE_ADDRESS_SPACE_IO;
-}
-
-static void pci_fixup_ide_bases(struct pci_dev *d)
-{
-	int i;
-
-	/*
-	 * PCI IDE controllers use non-standard I/O port decoding, respect it.
-	 */
-	if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE)
-		return;
-	printk("PCI: IDE base address fixup for %s\n", pci_name(d));
-	for(i=0; i<4; i++) {
-		struct resource *r = &d->resource[i];
-		if ((r->start & ~0x80) == 0x374) {
-			r->start |= 2;
-			r->end = r->start;
-		}
-	}
-}
-
-static void pci_fixup_ide_trash(struct pci_dev *d)
-{
-	int i;
-
-	/*
-	 * There exist PCI IDE controllers which have utter garbage
-	 * in first four base registers. Ignore that.
-	 */
-	printk("PCI: IDE base address trash cleared for %s\n", pci_name(d));
-	for(i=0; i<4; i++)
-		d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0;
-}
-
-static void pci_fixup_latency(struct pci_dev *d)
-{
-	/*
-	 *  SiS 5597 and 5598 chipsets require latency timer set to
-	 *  at most 32 to avoid lockups.
-	 */
-	DBG("PCI: Setting max latency to 32\n");
-	pcibios_max_latency = 32;
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_UMC, PCI_DEVICE_ID_UMC_UM8886BF, pci_fixup_umc_ide);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, pci_fixup_ide_trash);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5597, pci_fixup_latency);
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5598, pci_fixup_latency);
-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases);
-
-/*
- *  Called after each bus is probed, but before its children
- *  are examined.
- */
-
-void pcibios_fixup_bus(struct pci_bus *bus)
-{
-#if 0
-	printk("### PCIBIOS_FIXUP_BUS(%d)\n",bus->number);
-#endif
-
-	pci_read_bridge_bases(bus);
-
-	if (bus->number == 0) {
-		struct pci_dev *dev;
-		list_for_each_entry(dev, &bus->devices, bus_list) {
-			if (dev->devfn == 0) {
-				dev->resource[0].start = 0;
-				dev->resource[0].end = 0;
-			}
-		}
-	}
-}
-
-/*
- * Initialization. Try all known PCI access methods. Note that we support
- * using both PCI BIOS and direct access: in such cases, we use I/O ports
- * to access config space, but we still keep BIOS order of cards to be
- * compatible with 2.0.X. This should go away some day.
- */
-
-int __init pcibios_init(void)
-{
-	struct pci_bus *bus;
-	struct pci_ops *dir = NULL;
-	LIST_HEAD(resources);
-
-	if (!mb93090_mb00_detected)
-		return -ENXIO;
-
-	__reg_MB86943_sl_ctl |= MB86943_SL_CTL_DRCT_MASTER_SWAP | MB86943_SL_CTL_DRCT_SLAVE_SWAP;
-
-	__reg_MB86943_ecs_base(1)	= ((__region_CS2 + 0x01000000) >> 9) | 0x08000000;
-	__reg_MB86943_ecs_base(2)	= ((__region_CS2 + 0x00000000) >> 9) | 0x08000000;
-
-	*(volatile uint32_t *) (__region_CS1 + 0x848) = 0xe0000000;
-	*(volatile uint32_t *) (__region_CS1 + 0x8b8) = 0x00000000;
-
-	__reg_MB86943_sl_pci_io_base	= (__region_CS2 + 0x04000000) >> 9;
-	__reg_MB86943_sl_pci_mem_base	= (__region_CS2 + 0x08000000) >> 9;
-	__reg_MB86943_pci_sl_io_base	= __region_CS2 + 0x04000000;
-	__reg_MB86943_pci_sl_mem_base	= __region_CS2 + 0x08000000;
-	mb();
-
-	/* enable PCI arbitration */
-	__reg_MB86943_pci_arbiter	= MB86943_PCIARB_EN;
-
-	pci_ioport_resource.start	= (__reg_MB86943_sl_pci_io_base << 9) & 0xfffffc00;
-	pci_ioport_resource.end		= (__reg_MB86943_sl_pci_io_range << 9) | 0x3ff;
-	pci_ioport_resource.end		+= pci_ioport_resource.start;
-
-	printk("PCI IO window:  %08llx-%08llx\n",
-	       (unsigned long long) pci_ioport_resource.start,
-	       (unsigned long long) pci_ioport_resource.end);
-
-	pci_iomem_resource.start	= (__reg_MB86943_sl_pci_mem_base << 9) & 0xfffffc00;
-	pci_iomem_resource.end		= (__reg_MB86943_sl_pci_mem_range << 9) | 0x3ff;
-	pci_iomem_resource.end		+= pci_iomem_resource.start;
-
-	/* Reserve somewhere to write to flush posted writes.  This is used by
-	 * __flush_PCI_writes() from asm/io.h to force the write FIFO in the
-	 * CPU-PCI bridge to flush as this doesn't happen automatically when a
-	 * read is performed on the MB93090 development kit motherboard.
-	 */
-	pci_iomem_resource.start	+= 0x400;
-
-	printk("PCI MEM window: %08llx-%08llx\n",
-	       (unsigned long long) pci_iomem_resource.start,
-	       (unsigned long long) pci_iomem_resource.end);
-	printk("PCI DMA memory: %08lx-%08lx\n",
-	       dma_coherent_mem_start, dma_coherent_mem_end);
-
-	if (insert_resource(&iomem_resource, &pci_iomem_resource) < 0)
-		panic("Unable to insert PCI IOMEM resource\n");
-	if (insert_resource(&ioport_resource, &pci_ioport_resource) < 0)
-		panic("Unable to insert PCI IOPORT resource\n");
-
-	if (!pci_probe)
-		return -ENXIO;
-
-	dir = pci_check_direct();
-	if (dir)
-		pci_root_ops = dir;
-	else {
-		printk("PCI: No PCI bus detected\n");
-		return -ENXIO;
-	}
-
-	printk("PCI: Probing PCI hardware\n");
-	pci_add_resource(&resources, &pci_ioport_resource);
-	pci_add_resource(&resources, &pci_iomem_resource);
-	bus = pci_scan_root_bus(NULL, 0, pci_root_ops, NULL, &resources);
-
-	pcibios_irq_init();
-	pcibios_fixup_irqs();
-	pcibios_resource_survey();
-	if (!bus)
-		return 0;
-
-	pci_bus_add_devices(bus);
-	return 0;
-}
-
-arch_initcall(pcibios_init);
-
-char * __init pcibios_setup(char *str)
-{
-	if (!strcmp(str, "off")) {
-		pci_probe = 0;
-		return NULL;
-	}
-	return str;
-}
-
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
-	int err;
-
-	if ((err = pci_enable_resources(dev, mask)) < 0)
-		return err;
-	if (!dev->msi_enabled)
-		pcibios_enable_irq(dev);
-	return 0;
-}