[ifxmips] adss 2.6.33 kernel patches, not defult yet as linux-atm breaks on 2.6.33

[openwrt/svn-archive/archive.git] / target / linux / ifxmips / files / arch / mips / pci / ops-ifxmips.c

diff --git a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c b/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
deleted file mode 100644 (file)
index fde6357..0000000
--- a/target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c
+++ /dev/null
@@ -1,120 +0,0 @@
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <asm/addrspace.h>
-#include <linux/vmalloc.h>
-#include <ifxmips.h>
-#include <ifxmips_irq.h>
-#include <ifxmips_ebu.h>
-
-#define IFXMIPS_PCI_CFG_BUSNUM_SHF 16
-#define IFXMIPS_PCI_CFG_DEVNUM_SHF 11
-#define IFXMIPS_PCI_CFG_FUNNUM_SHF 8
-
-#define PCI_ACCESS_READ  0
-#define PCI_ACCESS_WRITE 1
-
-extern u32 ifxmips_pci_mapped_cfg;
-
-static int
-ifxmips_pci_config_access(unsigned char access_type,
-               struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data)
-{
-       unsigned long cfg_base;
-       unsigned long flags;
-
-       u32 temp;
-
-       /* IFXMips support slot from 0 to 15 */
-       /* dev_fn 0&0x68 (AD29) is ifxmips itself */
-       if ((bus->number != 0) || ((devfn & 0xf8) > 0x78)
-                       || ((devfn & 0xf8) == 0) || ((devfn & 0xf8) == 0x68))
-               return 1;
-
-       spin_lock_irqsave(&ebu_lock, flags);
-
-       cfg_base = ifxmips_pci_mapped_cfg;
-       cfg_base |= (bus->number << IFXMIPS_PCI_CFG_BUSNUM_SHF) | (devfn <<
-                       IFXMIPS_PCI_CFG_FUNNUM_SHF) | (where & ~0x3);
-
-       /* Perform access */
-       if (access_type == PCI_ACCESS_WRITE)
-       {
-#ifdef CONFIG_SWAP_IO_SPACE
-               ifxmips_w32(swab32(*data), ((u32*)cfg_base));
-#else
-               ifxmips_w32(*data, ((u32*)cfg_base));
-#endif
-       } else {
-               *data = ifxmips_r32(((u32*)(cfg_base)));
-#ifdef CONFIG_SWAP_IO_SPACE
-               *data = swab32(*data);
-#endif
-       }
-       wmb();
-
-       /* clean possible Master abort */
-       cfg_base = (ifxmips_pci_mapped_cfg | (0x0 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4;
-       temp = ifxmips_r32(((u32*)(cfg_base)));
-#ifdef CONFIG_SWAP_IO_SPACE
-       temp = swab32 (temp);
-#endif
-       cfg_base = (ifxmips_pci_mapped_cfg | (0x68 << IFXMIPS_PCI_CFG_FUNNUM_SHF)) + 4;
-       ifxmips_w32(temp, ((u32*)cfg_base));
-
-       spin_unlock_irqrestore(&ebu_lock, flags);
-
-       if (((*data) == 0xffffffff) && (access_type == PCI_ACCESS_READ))
-               return 1;
-
-       return 0;
-}
-
-int
-ifxmips_pci_read_config_dword(struct pci_bus *bus, unsigned int devfn,
-               int where, int size, u32 * val)
-{
-       u32 data = 0;
-
-       if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-               return PCIBIOS_DEVICE_NOT_FOUND;
-
-       if (size == 1)
-               *val = (data >> ((where & 3) << 3)) & 0xff;
-       else if (size == 2)
-               *val = (data >> ((where & 3) << 3)) & 0xffff;
-       else
-               *val = data;
-
-       return PCIBIOS_SUCCESSFUL;
-}
-
-int
-ifxmips_pci_write_config_dword(struct pci_bus *bus, unsigned int devfn,
-               int where, int size, u32 val)
-{
-       u32 data = 0;
-
-       if (size == 4)
-       {
-               data = val;
-       } else {
-               if (ifxmips_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data))
-                       return PCIBIOS_DEVICE_NOT_FOUND;
-
-               if (size == 1)
-                       data = (data & ~(0xff << ((where & 3) << 3))) |
-                               (val << ((where & 3) << 3));
-               else if (size == 2)
-                       data = (data & ~(0xffff << ((where & 3) << 3))) |
-                               (val << ((where & 3) << 3));
-       }
-
-       if (ifxmips_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &data))
-               return PCIBIOS_DEVICE_NOT_FOUND;
-
-       return PCIBIOS_SUCCESSFUL;
-}