This patch set introduces preliminary support for Cavium Networks' OCTEON processor family.  More information about these processors may be obtained here: http://www.caviumnetworks.com/OCTEON_MIPS64.html This initial patch set adds support for booting an initramfs to a serial console.  Follow-on patch sets will add support for the on-chip ethernet, USB, PCI, PCIe, I2c and other peripherals. With this second version of the patches I think we have fixed or removed the parts flagged as _object_ionable in the first round of reviews.  In addition to more general cleanups I fixed the following issues: * externs declared in mm/fault.c moved to fpu_emulator.h * Corrected spelling of hazard in patch commentary. * Useless checking in pmd_none removed. * e_base_ calculation generalized. * ST0_KX setting for 32bit kernel removed (there is now no 32bit   kernel support) Without further ado, I will reply with the following 36 patches (5 of which will also go to linux-serial):   01 - Add Cavium OCTEON processor support files to arch/mips/cavium-octeon.   02 - Add Cavium OCTEON files to arch/mips/include/asm/mach-cavium-octeon   03 - Add Cavium OCTEON processor support files to arch/mips/kernel.   04 - Add Cavium OCTEON processor support files to arch/mips/mm.   05 - Add Cavium OCTEON processor support files to and     arch/mips/cavium-octeon/executive   06 - Add Cavium OCTEON processor CSR definitions   07 - Don't assume boot CPU is CPU0 if MIPS_DISABLE_BOOT_CPU_ZERO set.   08 - For Cavium OCTEON handle hazards as per the R10000 handling.   09 - Enable mips32 _style_ bitops for Cavium OCTEON.   10 - Cavium OCTEON: Set hwrena and lazily restore CP2 state.   11 - MIPSR2 e_base_ isn't just CAC__base_   12 - Add Cavium OCTEON to arch/mips/Kconfig   13 - Add Cavium OCTEON processor constants.   14 - Rewrite cpu_to_name so it has one statement per line.   15 - Probe for Cavium OCTEON CPUs.   16 - MIPS: Hook Cavium OCTEON cache init into cache.c   17 - cavium: Hook Cavium specifics into main arch/mips dir   18 - Cavium OCTEON modify core io.h macros to account for the Octeon     Errata Core-301.   19 - Cavium OCTEON: increase MAX_DMA address.   20 - Cavium OCTEON: add in icache and dcache error functions.   21 - Cavium OCTEON: Add cop2/cvmseg state entries to processor.h.   22 - Add Cavium OCTEON specific registers to ptrace.h and asm-offsets.c   23 - Add SMP_ICACHE_FLUSH for the Cavium CPU family.   24 - Cavium OCTEON: PT vs MFC0 reorder, multiplier state preservation.   25 - Add Cavium OCTEON irq hazard in asmmacro.h.   26 - Compute branch returns for Cavium OCTEON specific branch     instructions.   27 - Add Cavium OCTEON slot into proper tlb category.   28 - MIPS: move FPU emulator externs to fpu_emulator.h   29 - Cavium OCTEON FPU EMU exception as TLB exception These five to linux-serial, linux-kernel, and akpm as well:   30 - Don't clobber spinlocks in 8250.   31 - Generic 8250 serial driver changes to support future OCTEON serial     patches.   32 - Allow port type to be specified when calling     serial8250_register_port.   33 - Allow port type to specify bugs that are not probed for.   34 - 8250 serial driver changes for Cavium OCTEON.   35 - Adjust the dma-common.c platform hooks.   36 - Add defconfig for Cavium OCTEON.  arch/mips/Kconfig                                  |   74 +-  arch/mips/Makefile                                 |   13 +  arch/mips/cavium-octeon/Kconfig                    |   85 +  arch/mips/cavium-octeon/Makefile                   |   21 +  arch/mips/cavium-octeon/console.c                  |   34 +  arch/mips/cavium-octeon/dma-octeon.c               |  324 +  arch/mips/cavium-octeon/executive/Makefile         |   26 +  arch/mips/cavium-octeon/executive/cvmx-asm.h       |  427 +  arch/mips/cavium-octeon/executive/cvmx-bootinfo.h  |  238 +  arch/mips/cavium-octeon/executive/cvmx-bootmem.c   |  897 +  arch/mips/cavium-octeon/executive/cvmx-bootmem.h   |  403 +  .../cavium-octeon/executive/cvmx-csr-addresses.h   | 8391 ++++++  arch/mips/cavium-octeon/executive/cvmx-csr-enums.h |   86 +  .../cavium-octeon/executive/cvmx-csr-typedefs.h    |27517 ++++++++++++++++++++  arch/mips/cavium-octeon/executive/cvmx-csr.h       |  199 +  arch/mips/cavium-octeon/executive/cvmx-interrupt.h |  255 +  arch/mips/cavium-octeon/executive/cvmx-l2c.c       |  711 +  arch/mips/cavium-octeon/executive/cvmx-l2c.h       |  328 +  .../executive/cvmx-linux-kernel-exports.c          |   30 +  arch/mips/cavium-octeon/executive/cvmx-packet.h    |   64 +  arch/mips/cavium-octeon/executive/cvmx-platform.h  |   56 +  arch/mips/cavium-octeon/executive/cvmx-spinlock.h  |  376 +  arch/mips/cavium-octeon/executive/cvmx-sysinfo.c   |  113 +  arch/mips/cavium-octeon/executive/cvmx-sysinfo.h   |  144 +  arch/mips/cavium-octeon/executive/cvmx-warn.c      |   44 +  arch/mips/cavium-octeon/executive/cvmx-warn.h      |   46 +  arch/mips/cavium-octeon/executive/cvmx.h           |  772 +  arch/mips/cavium-octeon/executive/octeon-feature.h |  120 +  arch/mips/cavium-octeon/executive/octeon-model.c   |  328 +  arch/mips/cavium-octeon/executive/octeon-model.h   |  225 +  arch/mips/cavium-octeon/flash_setup.c              |   76 +  arch/mips/cavium-octeon/hal.c                      |  496 +  arch/mips/cavium-octeon/hal.h                      |  190 +  arch/mips/cavium-octeon/i8259.c                    |  180 +  arch/mips/cavium-octeon/irq.c                      |   61 +  arch/mips/cavium-octeon/octeon-memcpy.S            |  521 +  arch/mips/cavium-octeon/serial.c                   |  187 +  arch/mips/cavium-octeon/setup.c                    |  387 +  arch/mips/cavium-octeon/smp.c                      |  231 +  arch/mips/cavium-octeon/userio.c                   |  156 +  arch/mips/configs/cavium-octeon_defconfig          | 1160 +  arch/mips/include/asm/asmmacro.h                   |   10 +  arch/mips/include/asm/bitops.h                     |    3 +-  arch/mips/include/asm/cpu-features.h               |    7 +  arch/mips/include/asm/cpu.h                        |   14 +  arch/mips/include/asm/dma.h                        |    7 +  arch/mips/include/asm/fpu_emulator.h               |    5 +  arch/mips/include/asm/hazards.h                    |    4 +-  arch/mips/include/asm/io.h                         |   14 +  .../asm/mach-cavium-octeon/cpu-feature-overrides.h |   63 +  .../include/asm/mach-cavium-octeon/dma-coherence.h |   64 +  arch/mips/include/asm/mach-cavium-octeon/irq.h     |  253 +  .../asm/mach-cavium-octeon/kernel-entry-init.h     |  140 +  .../asm/mach-cavium-octeon/octeon-hal-read-write.h |   38 +  arch/mips/include/asm/mach-cavium-octeon/war.h     |   26 +  arch/mips/include/asm/mach-generic/dma-coherence.h |   26 +-  arch/mips/include/asm/mach-ip27/dma-coherence.h    |   26 +-  arch/mips/include/asm/mach-ip32/dma-coherence.h    |   26 +-  arch/mips/include/asm/mach-jazz/dma-coherence.h    |   26 +-  arch/mips/include/asm/mach-lemote/dma-coherence.h  |   26 +-  arch/mips/include/asm/mipsregs.h                   |    5 +  arch/mips/include/asm/module.h                     |    2 +  arch/mips/include/asm/processor.h                  |   69 +  arch/mips/include/asm/ptrace.h                     |    4 +  arch/mips/include/asm/smp.h                        |    3 +  arch/mips/include/asm/stack_frame_.h                 |   46 +  arch/mips/kernel/Makefile                          |    9 +  arch/mips/kernel/asm-offsets.c                     |   31 +  arch/mips/kernel/branch.c                          |   33 +  arch/mips/kernel/cpu-probe.c                       |  182 +-  arch/mips/kernel/irq-octeon.c                      |  464 +  arch/mips/kernel/octeon_switch.S                   |  506 +  arch/mips/kernel/smp.c                             |    2 +  arch/mips/kernel/traps.c                           |   34 +-  arch/mips/kernel/unaligned.c                       |    2 +-  arch/mips/lib/Makefile                             |    1 +  arch/mips/math-emu/dsemul.h                        |    1 -  arch/mips/mm/Makefile                              |    5 +  arch/mips/mm/c-octeon.c                            |  309 +  arch/mips/mm/cache.c                               |    6 +  arch/mips/mm/cex-oct.S                             |   70 +  arch/mips/mm/dma-default.c                         |   24 +-  arch/mips/mm/fault.c                               |   16 +  arch/mips/mm/tlbex.c                               |    1 +  drivers/serial/8250.c                              |  233 +-  drivers/serial/8250.h                              |    3 +  drivers/serial/serial_core.c                       |    7 +-  include/linux/serial_8250.h                        |    2 +  include/linux/serial_core.h                        |    7 +-  include/linux/serial_reg.h                         |    6 +  90 files changed, 48682 insertions(+), 171 deletions(-)  create mode 100644 arch/mips/cavium-octeon/Kconfig  create mode 100644 arch/mips/cavium-octeon/Makefile  create mode 100644 arch/mips/cavium-octeon/console.c  create mode 100644 arch/mips/cavium-octeon/dma-octeon.c  create mode 100644 arch/mips/cavium-octeon/executive/Makefile  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-asm.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-bootinfo.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-bootmem.c  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-bootmem.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-csr-addresses.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-csr-enums.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-csr-typedefs.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-csr.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-interrupt.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-l2c.c  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-l2c.h  create mode 100644 arch/mips/cavium-octeon/executive/cvmx-linux-kernel-exports.c  create mode 100644
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