diff options
author | John Crispin <blogic@openwrt.org> | 2010-04-10 20:11:28 +0000 |
---|---|---|
committer | John Crispin <blogic@openwrt.org> | 2010-04-10 20:11:28 +0000 |
commit | 43f0e5766403d5d48f4540089d446b2d205d5b85 (patch) | |
tree | d38795257e7a4e8fcbdda67339364f9c559ccaea /target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c | |
parent | b11c2280a3f663bccf248e31f78b912c6ca30378 (diff) | |
download | master-187ad058-43f0e5766403d5d48f4540089d446b2d205d5b85.tar.gz master-187ad058-43f0e5766403d5d48f4540089d446b2d205d5b85.tar.bz2 master-187ad058-43f0e5766403d5d48f4540089d446b2d205d5b85.zip |
[ifxmips] adss 2.6.33 kernel patches, not defult yet as linux-atm breaks on 2.6.33
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20789 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c')
-rw-r--r-- | target/linux/ifxmips/files/arch/mips/pci/ops-ifxmips.c | 120 |
1 files changed, 0 insertions, 120 deletions
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 index fde6357e41..0000000000 --- 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; -} |