patch-2.4.20 linux-2.4.20/arch/ppc/kernel/gemini_pci.c

• Lines: 125
• Date: Wed Dec 31 16:00:00 1969
• Orig file: linux-2.4.19/arch/ppc/kernel/gemini_pci.c
• Orig date: Fri Nov 2 17:43:54 2001

diff -urN linux-2.4.19/arch/ppc/kernel/gemini_pci.c linux-2.4.20/arch/ppc/kernel/gemini_pci.c
@@ -1,124 +0,0 @@
-/*
- * BK Id: SCCS/s.gemini_pci.c 1.6 10/11/01 08:51:46 trini
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include <asm/machdep.h>
-#include <asm/gemini.h>
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pci-bridge.h>
-
-#include "pci.h"
-
-#define pci_config_addr(bus,dev,offset) \
-        (0x80000000 | (bus<<16) | (dev<<8) | offset)
-
-
-int
-gemini_pcibios_read_config_byte(struct pci_dev *dev, int offset, u8 *val)
-{
-	unsigned long reg;
-	reg = grackle_read(pci_config_addr(dev->bus->number, dev->devfn,
-					   (offset & ~(0x3))));
-	*val = ((reg >> ((offset & 0x3) << 3)) & 0xff);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-int
-gemini_pcibios_read_config_word(struct pci_dev *dev, int offset, u16 *val)
-{
-	unsigned long reg;
-	reg = grackle_read(pci_config_addr(dev->bus->number, dev->devfn,
-					   (offset & ~(0x3))));
-	*val = ((reg >> ((offset & 0x3) << 3)) & 0xffff);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-int
-gemini_pcibios_read_config_dword(struct pci_dev *dev, int offset, u32 *val)
-{
-	*val = grackle_read(pci_config_addr(dev->bus->number, dev->devfn,
-					    (offset & ~(0x3))));
-	return PCIBIOS_SUCCESSFUL;
-}
-
-int
-gemini_pcibios_write_config_byte(struct pci_dev *dev, int offset, u8 val)
-{
-	unsigned long reg;
-	int shifts = offset & 0x3;
-	unsigned int addr = pci_config_addr(dev->bus->number, dev->devfn,
-					    (offset & ~(0x3)));
-
-	reg = grackle_read(addr);
-	reg = (reg & ~(0xff << (shifts << 3))) | (val << (shifts << 3));
-	grackle_write(addr, reg );
-	return PCIBIOS_SUCCESSFUL;
-}
-
-int
-gemini_pcibios_write_config_word(struct pci_dev *dev, int offset, u16 val)
-{
-	unsigned long reg;
-	int shifts = offset & 0x3;
-	unsigned int addr = pci_config_addr(dev->bus->number, dev->devfn,
-					    (offset & ~(0x3)));
-
-	reg = grackle_read(addr);
-	reg = (reg & ~(0xffff << (shifts << 3))) | (val << (shifts << 3));
-	grackle_write(addr, reg );
-	return PCIBIOS_SUCCESSFUL;
-}
-
-int
-gemini_pcibios_write_config_dword(struct pci_dev *dev, int offset, u32 val)
-{
-	grackle_write(pci_config_addr(dev->bus->number, dev->devfn,
-				      (offset & ~(0x3))), val);
-	return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops gemini_pci_ops =
-{
-	gemini_pcibios_read_config_byte,
-	gemini_pcibios_read_config_word,
-	gemini_pcibios_read_config_dword,
-	gemini_pcibios_write_config_byte,
-	gemini_pcibios_write_config_word,
-	gemini_pcibios_write_config_dword
-};
-
-void __init gemini_pcibios_fixup(void)
-{
-	int i;
-	struct pci_dev *dev;
-	
-	pci_for_each_dev(dev) {
-		for(i = 0; i < 6; i++) {
-			if (dev->resource[i].flags & IORESOURCE_IO) {
-				dev->resource[i].start |= (0xfe << 24);
-				dev->resource[i].end |= (0xfe << 24);
-			}
-		}
-	}
-}
-
-
-/* The "bootloader" for Synergy boards does none of this for us, so we need to
-   lay it all out ourselves... --Dan */
-void __init gemini_find_bridges(void)
-{
-	struct pci_controller* hose;
-	
-	ppc_md.pcibios_fixup = gemini_pcibios_fixup;
-
-	hose = pcibios_alloc_controller();
-	if (!hose)
-		return;
-	hose->ops = &gemini_pci_ops;
-}