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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 17:58:08 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-16 17:58:08 -0700 |
commit | 489de30259e667d7bc47da9da44a0270b050cd97 (patch) | |
tree | 6807814f443fe2c5d041c3bc3fe3ca8d22a955ca /arch/powerpc/sysdev/indirect_pci.c | |
parent | 1f1c2881f673671539b25686df463518d69c4649 (diff) | |
parent | bf22f6fe2d72b4d7e9035be8ceb340414cf490e3 (diff) | |
download | lwn-489de30259e667d7bc47da9da44a0270b050cd97.tar.gz lwn-489de30259e667d7bc47da9da44a0270b050cd97.zip |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (209 commits)
[POWERPC] Create add_rtc() function to enable the RTC CMOS driver
[POWERPC] Add H_ILLAN_ATTRIBUTES hcall number
[POWERPC] xilinxfb: Parameterize xilinxfb platform device registration
[POWERPC] Oprofile support for Power 5++
[POWERPC] Enable arbitary speed tty ioctls and split input/output speed
[POWERPC] Make drivers/char/hvc_console.c:khvcd() static
[POWERPC] Remove dead code for preventing pread() and pwrite() calls
[POWERPC] Remove unnecessary #undef printk from prom.c
[POWERPC] Fix typo in Ebony default DTS
[POWERPC] Check for NULL ppc_md.init_IRQ() before calling
[POWERPC] Remove extra return statement
[POWERPC] pasemi: Don't auto-select CONFIG_EMBEDDED
[POWERPC] pasemi: Rename platform
[POWERPC] arch/powerpc/kernel/sysfs.c: Move NUMA exports
[POWERPC] Add __read_mostly support for powerpc
[POWERPC] Modify sched_clock() to make CONFIG_PRINTK_TIME more sane
[POWERPC] Create a dummy zImage if no valid platform has been selected
[POWERPC] PS3: Bootwrapper support.
[POWERPC] powermac i2c: Use mutex
[POWERPC] Schedule removal of arch/ppc
...
Fixed up conflicts manually in:
Documentation/feature-removal-schedule.txt
arch/powerpc/kernel/pci_32.c
arch/powerpc/kernel/pci_64.c
include/asm-powerpc/pci.h
and asked the powerpc people to double-check the result..
Diffstat (limited to 'arch/powerpc/sysdev/indirect_pci.c')
-rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index e71488469704..c7e6e859b393 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -33,18 +33,27 @@ indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no, reg; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; - if (hose->set_cfg_type) + if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE) if (bus->number != hose->first_busno) cfg_type = 1; - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number; + + if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG) + reg = ((offset & 0xf00) << 16) | (offset & 0xfc); + else + reg = offset & 0xfc; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | (bus_no << 16) + | (devfn << 8) | reg | cfg_type)); /* * Note: the caller has already checked that offset is @@ -72,18 +81,33 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, struct pci_controller *hose = bus->sysdata; volatile void __iomem *cfg_data; u8 cfg_type = 0; + u32 bus_no, reg; if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; - if (hose->set_cfg_type) + if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE) if (bus->number != hose->first_busno) cfg_type = 1; - PCI_CFG_OUT(hose->cfg_addr, - (0x80000000 | ((bus->number - hose->bus_offset) << 16) - | (devfn << 8) | ((offset & 0xfc) | cfg_type))); + bus_no = (bus->number == hose->first_busno) ? + hose->self_busno : bus->number; + + if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG) + reg = ((offset & 0xf00) << 16) | (offset & 0xfc); + else + reg = offset & 0xfc; + + PCI_CFG_OUT(hose->cfg_addr, + (0x80000000 | (bus_no << 16) + | (devfn << 8) | reg | cfg_type)); + + /* surpress setting of PCI_PRIMARY_BUS */ + if (hose->indirect_type & PPC_INDIRECT_TYPE_SURPRESS_PRIMARY_BUS) + if ((offset == PCI_PRIMARY_BUS) && + (bus->number == hose->first_busno)) + val &= 0xffffff00; /* * Note: the caller has already checked that offset is |