1 files changed, 0 insertions, 138 deletions
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
deleted file mode 100644
index dfbf80cff83..00000000000
--- a/arch/i386/pci/mmconfig.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2004 Matthew Wilcox <matthew@wil.cx>
- * Copyright (C) 2004 Intel Corp.
- *
- * This code is released under the GNU General Public License version 2.
- */
-
-/*
- * mmconfig.c - Low-level direct PCI config space access via MMCONFIG
- */
-
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-#include "pci.h"
-
-#define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG))
-
-/* The base address of the last MMCONFIG device accessed */
-static u32 mmcfg_last_accessed_device;
-
-/*
- * Functions for accessing PCI configuration space with MMCONFIG accesses
- */
-static u32 get_base_addr(unsigned int seg, int bus)
-{
-	int cfg_num = -1;
-	struct acpi_table_mcfg_config *cfg;
-
-	while (1) {
-		++cfg_num;
-		if (cfg_num >= pci_mmcfg_config_num) {
-			/* something bad is going on, no cfg table is found. */
-			/* so we fall back to the old way we used to do this */
-			/* and just rely on the first entry to be correct. */
-			return pci_mmcfg_config[0].base_address;
-		}
-		cfg = &pci_mmcfg_config[cfg_num];
-		if (cfg->pci_segment_group_number != seg)
-			continue;
-		if ((cfg->start_bus_number <= bus) &&
-		    (cfg->end_bus_number >= bus))
-			return cfg->base_address;
-	}
-}
-
-static inline void pci_exp_set_dev_base(unsigned int seg, int bus, int devfn)
-{
-	u32 dev_base = get_base_addr(seg, bus) | (bus << 20) | (devfn << 12);
-	if (dev_base != mmcfg_last_accessed_device) {
-		mmcfg_last_accessed_device = dev_base;
-		set_fixmap_nocache(FIX_PCIE_MCFG, dev_base);
-	}
-}
-
-static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
-			  unsigned int devfn, int reg, int len, u32 *value)
-{
-	unsigned long flags;
-
-	if (!value || (bus > 255) || (devfn > 255) || (reg > 4095))
-		return -EINVAL;
-
-	spin_lock_irqsave(&pci_config_lock, flags);
-
-	pci_exp_set_dev_base(seg, bus, devfn);
-
-	switch (len) {
-	case 1:
-		*value = readb(mmcfg_virt_addr + reg);
-		break;
-	case 2:
-		*value = readw(mmcfg_virt_addr + reg);
-		break;
-	case 4:
-		*value = readl(mmcfg_virt_addr + reg);
-		break;
-	}
-
-	spin_unlock_irqrestore(&pci_config_lock, flags);
-
-	return 0;
-}
-
-static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
-			   unsigned int devfn, int reg, int len, u32 value)
-{
-	unsigned long flags;
-
-	if ((bus > 255) || (devfn > 255) || (reg > 4095)) 
-		return -EINVAL;
-
-	spin_lock_irqsave(&pci_config_lock, flags);
-
-	pci_exp_set_dev_base(seg, bus, devfn);
-
-	switch (len) {
-	case 1:
-		writeb(value, mmcfg_virt_addr + reg);
-		break;
-	case 2:
-		writew(value, mmcfg_virt_addr + reg);
-		break;
-	case 4:
-		writel(value, mmcfg_virt_addr + reg);
-		break;
-	}
-
-	spin_unlock_irqrestore(&pci_config_lock, flags);
-
-	return 0;
-}
-
-static struct pci_raw_ops pci_mmcfg = {
-	.read =		pci_mmcfg_read,
-	.write =	pci_mmcfg_write,
-};
-
-static int __init pci_mmcfg_init(void)
-{
-	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
-		goto out;
-
-	acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
-	if ((pci_mmcfg_config_num == 0) ||
-	    (pci_mmcfg_config == NULL) ||
-	    (pci_mmcfg_config[0].base_address == 0))
-		goto out;
-
-	printk(KERN_INFO "PCI: Using MMCONFIG\n");
-	raw_pci_ops = &pci_mmcfg;
-	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
-
- out:
-	return 0;
-}
-
-arch_initcall(pci_mmcfg_init);