Eric Lee / smarc-fsl-linux-kernel

11 Jan, 2012

1 commit

08 Dec, 2011

4 commits

  • 2aa54b200   MIPS: Netlogic: Add support for XLP 3XX cores ... Browse Code »

    Add new processor ID to asm/cpu.h and kernel/cpu-probe.c.
    Update to new CPU frequency detection code which works on XLP 3XX
    and 8XX.

    Signed-off-by: Jayachandran C
    Cc: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2971/
    Signed-off-by: Ralf Baechle

    Jayachandran C
     
  • a3d4fb2d2   MIPS: Netlogic: XLP CPU support. ... Browse Code »

    Add support for Netlogic's XLP MIPS SoC. This patch adds:
    * XLP processor ID in cpu_probe.c and asm/cpu.h
    * XLP case to asm/module.h
    * CPU_XLP case to mm/tlbex.c
    * minor change to r4k cache handling to ignore XLP secondary cache
    * XLP cpu overrides to mach-netlogic/cpu-feature-overrides.h

    Signed-off-by: Jayachandran C
    Cc: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2966/
    Signed-off-by: Ralf Baechle

    Jayachandran C
     
  • 11d48aace   MIPS: Netlogic: add r4k_wait as the cpu_wait ... Browse Code »

    Use r4k_wait as the CPU wait function for XLR/XLS processors.

    Signed-off-by: Jayachandran C
    To: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2728/
    Signed-off-by: Ralf Baechle

    Jayachandran C
     
  • 809f36c6f   MIPS: Alchemy: Au1300 SoC support ... Browse Code »

    Add basic support for the Au1300 variant(s):
    - New GPIO/Interrupt controller
    - DBDMA ids
    - USB setup
    - MMC support
    - enable various PSC drivers
    - detection code.

    Signed-off-by: Manuel Lauss
    To: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2866/
    Signed-off-by: Ralf Baechle

    Manuel Lauss
     

07 Nov, 2011

1 commit

  • 32aaeffbd   Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux ... Browse Code »

    * 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: (230 commits)
    Revert "tracing: Include module.h in define_trace.h"
    irq: don't put module.h into irq.h for tracking irqgen modules.
    bluetooth: macroize two small inlines to avoid module.h
    ip_vs.h: fix implicit use of module_get/module_put from module.h
    nf_conntrack.h: fix up fallout from implicit moduleparam.h presence
    include: replace linux/module.h with "struct module" wherever possible
    include: convert various register fcns to macros to avoid include chaining
    crypto.h: remove unused crypto_tfm_alg_modname() inline
    uwb.h: fix implicit use of asm/page.h for PAGE_SIZE
    pm_runtime.h: explicitly requires notifier.h
    linux/dmaengine.h: fix implicit use of bitmap.h and asm/page.h
    miscdevice.h: fix up implicit use of lists and types
    stop_machine.h: fix implicit use of smp.h for smp_processor_id
    of: fix implicit use of errno.h in include/linux/of.h
    of_platform.h: delete needless include
    acpi: remove module.h include from platform/aclinux.h
    miscdevice.h: delete unnecessary inclusion of module.h
    device_cgroup.h: delete needless include
    net: sch_generic remove redundant use of
    net: inet_timewait_sock doesnt need
    ...

    Fix up trivial conflicts (other header files, and removal of the ab3550 mfd driver) in
    - drivers/media/dvb/frontends/dibx000_common.c
    - drivers/media/video/{mt9m111.c,ov6650.c}
    - drivers/mfd/ab3550-core.c
    - include/linux/dmaengine.h

    Linus Torvalds
     

01 Nov, 2011

2 commits

25 Oct, 2011

1 commit

26 Jul, 2011

1 commit

19 May, 2011

4 commits

  • 5aac1e8a3   MIPS: Set ELF AT_PLATFORM string for Loongson2 processors ... Browse Code »

    Signed-off-by: Robert Millan
    Acked-by: David Daney
    Signed-off-by: Kevin Cernekee
    Cc: David Daney
    Cc: wu zhangjin
    Cc: Aurelien Jarno
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Patchwork: https://patchwork.linux-mips.org/patch/2302/
    Signed-off-by: Ralf Baechle

    Robert Millan
     
  • 06785df09   MIPS: Set ELF AT_PLATFORM string for BMIPS processors ... Browse Code »

    Signed-off-by: Kevin Cernekee
    Cc: Robert Millan
    Cc: David Daney
    Cc: wu zhangjin
    Cc: Aurelien Jarno
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Patchwork: https://patchwork.linux-mips.org/patch/2300/
    Signed-off-by: Ralf Baechle

    Kevin Cernekee
     
  • c094c99e6   MIPS: Introduce set_elf_platform() helper function ... Browse Code »

    Replace these sequences:

    if (cpu == 0)
    __elf_platform = "foo";

    with a trivial inline function.

    Signed-off-by: Robert Millan
    Signed-off-by: Kevin Cernekee
    Signed-off-by: David Daney
    Cc: wu zhangjin
    Cc: Aurelien Jarno
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Patchwork: https://patchwork.linux-mips.org/patch/2304/
    Patchwork: https://patchwork.linux-mips.org/patch/2374/
    Signed-off-by: Ralf Baechle

    Robert Millan
     
  • a7117c6bd   MIPS: Netlogic XLR/XLS processor IDs. ... Browse Code »

    Add Netlogic Microsystems company ID and processor IDs for XLR
    and XLS processors for CPU probe. Add CPU_XLR to cpu_type_enum.

    Signed-off-by: Jayachandran C
    Cc: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/2367/
    Signed-off-by: Ralf Baechle

    Jayachandran C
     

19 Jan, 2011

1 commit

17 Dec, 2010

1 commit

30 Oct, 2010

3 commits

  • 949e51bea   MIPS: Make TASK_SIZE reflect proper size for both 32 and 64 bit processes. ... Browse Code »

    The TASK_SIZE macro should reflect the size of a user process virtual
    address space. Previously for 64-bit kernels, this was not the case.
    The immediate cause of pain was in
    hugetlbfs/inode.c:hugetlb_get_unmapped_area() where 32-bit processes
    trying to mmap a huge page would be served a page with an address
    outside of the 32-bit address range. But there are other uses of
    TASK_SIZE in the kernel as well that would like an accurate value.

    The new definition is nice because it now makes TASK_SIZE and
    TASK_SIZE_OF() yield the same value for any given process.

    For 32-bit kernels there should be no change, although I did factor
    out some code in asm/processor.h that became identical for the 32-bit and
    64-bit cases.

    __UA_LIMIT is now set to ~((1 << SEGBITS) - 1) for 64-bit kernels.
    This should eliminate the possibility of getting a
    AddressErrorException in the kernel for addresses that pass the
    access_ok() test.

    With the patch applied, I can still run o32, n32 and n64 processes,
    and have an o32 shell fork/exec both n32 and n64 processes.

    Signed-off-by: David Daney
    To: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/1701/

    David Daney
     
  • 602977b0d   MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code ... Browse Code »

    BMIPS processor cores are used in 50+ different chipsets spread across
    5+ product lines. In many cases the chipsets do not share the same
    peripheral register layouts, the same register blocks, the same
    interrupt controllers, the same memory maps, or much of anything else.

    But, across radically different SoCs that share nothing more than the
    same BMIPS CPU, a few things are still mostly constant:

    SMP operations
    Access to performance counters
    DMA cache coherency quirks
    Cache and memory bus configuration

    So, it makes sense to treat each BMIPS processor type as a generic
    "building block," rather than tying it to a specific SoC. This makes it
    easier to support a large number of BMIPS-based chipsets without
    unnecessary duplication of code, and provides the infrastructure needed
    to support BMIPS-proprietary features.

    Signed-off-by: Kevin Cernekee
    Cc: mbizon@freebox.fr
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Tested-by: Florian Fainelli
    Patchwork: https://patchwork.linux-mips.org/patch/1706/
    Signed-off-by: Ralf Baechle <ralf@linux-mips.org

    Kevin Cernekee
     
  • 0e56b3852   MIPS: Octeon: Probe for Octeon II CPUs. ... Browse Code »

    The OCTEON II ISA extends the original OCTEON ISA, so give it its own
    __elf_platform string so optimized libraries can be selected in
    userspace.

    Signed-off-by: David Daney
    Patchwork: http://patchwork.linux-mips.org/patch/1665/
    Signed-off-by: Ralf Baechle

    David Daney
     

05 Aug, 2010

2 commits

  • 0c2f4551d   MIPS: Decode core number for R2 CPUs. ... Browse Code »

    The struct cpuinfo_mips.core field should be populated with the
    physical core number. For R2 CPUs, this is carried in the low 10 bits
    of Ebase.

    Signed-off-by: David Daney
    To: linux-mips@linux-mips.org
    Patchwork: https://patchwork.linux-mips.org/patch/1505/
    Signed-off-by: Ralf Baechle

    David Daney
     
  • 83ccf69d8   MIPS: JZ4740: Add base support for Ingenic JZ4740 System-on-a-Chip ... Browse Code »

    Adds a new cpu type for the JZ4740 to the Linux MIPS architecture code.
    It also adds the iomem addresses for the different components found on
    a JZ4740 SoC.

    Signed-off-by: Lars-Peter Clausen
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Patchwork: https://patchwork.linux-mips.org/patch/1464/
    Signed-off-by: Ralf Baechle

    Lars-Peter Clausen
     

22 May, 2010

1 commit

  • 0103d23f4   MIPS: nofpu and nodsp only affect CPU0 ... Browse Code »

    The "nofpu" and "nodsp" kernel command line options currently do not
    affect CPUs that are brought online later in the boot process or
    hotplugged at runtime. It is desirable to apply the nofpu/nodsp options
    to all CPUs in the system, so that surprising results are not seen when
    a process migrates from one CPU to another.

    [Ralf: Moved definitions of mips_fpu_disabled, fpu_disable,
    mips_dsp_disabled and dsp_disable from setup.c to cpu-probe.c to allow
    making mips_fpu_disabled and mips_dsp_disabled static.]

    Signed-off-by: Kevin Cernekee
    Cc: linux-mips@linux-mips.org
    Cc: linux-kernel@vger.kernel.org
    Patchwork: http://patchwork.linux-mips.org/patch/1169/
    Signed-off-by: Ralf Baechle

    Kevin Cernekee
     

27 Feb, 2010

5 commits

11 Feb, 2010

1 commit

  • 5b7efa898   MIPS: Don't probe reserved EntryHi bits. ... Browse Code »

    The patch that adds cpu_probe_vmbits is erroneously writing to reserved
    bit 12. Since we are really only probing high bits, don't write this bit
    with a one.

    Signed-off-by: David Daney
    To: linux-mips@linux-mips.org
    Cc: Guenter Roeck
    Patchwork: http://patchwork.linux-mips.org/patch/949/
    Acked-by: Guenter Roeck
    Signed-off-by: Ralf Baechle

    David Daney
     

03 Feb, 2010

1 commit

  • 91dfc423c   MIPS: 64-bit: Detect virtual memory size ... Browse Code »

    Linux kernel 2.6.32 and later allocate address space from the top of the
    kernel virtual memory address space.

    This patch implements virtual memory size detection for 64 bit MIPS CPUs
    to avoid resulting crashes.

    Signed-off-by: Guenter Roeck
    Cc: linux-mips@linux-mips.org
    Patchwork: http://patchwork.linux-mips.org/patch/935/
    Reviewed-by: David Daney
    Signed-off-by: Ralf Baechle

    Guenter Roeck
     

17 Dec, 2009

1 commit

  • f8ede0f70   MIPS: Loongson 2F: Add CPU frequency scaling support ... Browse Code »

    Loongson 2F supports CPU clock scaling. When put it into wait mode by
    setting the frequency as ZERO it will stay in this mode until an external
    interrupt wakes the CPU again.

    To enable clock scaling support, an external timer of a known stable rate
    is required.

    Signed-off-by: Wu Zhangjin
    Cc: linux-mips@linux-mips.org
    Cc: cpufreq@vger.kernel.org,
    Cc: Dave Jones ,
    Cc: Dominik Brodowski ,
    Cc: yanh@lemote.com
    Cc: huhb@lemote.com,
    Patchwork: http://patchwork.linux-mips.org/patch/660/
    Patchwork: http://patchwork.linux-mips.org/patch/751/
    Signed-off-by: Ralf Baechle

    Wu Zhangjin
     

02 Nov, 2009

1 commit

18 Sep, 2009

3 commits

25 Jun, 2009

1 commit

30 Mar, 2009

1 commit

  • 270717a8a   MIPS: Alchemy: unify CPU model constants. ... Browse Code »

    This patch removes the various CPU_AU1??? model constants in favor of
    a single CPU_ALCHEMY one.

    All currently existing Alchemy models are identical in terms of cpu
    core and cache size/organization. The parts of the mips kernel which
    need to know the exact CPU revision extract it from the c0_prid register
    already; and finally nothing else in-tree depends on those any more.

    Should a new variant with slightly different "company options" and/or
    "processor revision" bits in c0_prid appear, it will be supported
    immediately (minus an exact model string in cpuinfo).

    Signed-off-by: Manuel Lauss
    Signed-off-by: Ralf Baechle

    Manuel Lauss
     

12 Mar, 2009

1 commit

  • a644b2774   MIPS: NEC VR5500 processor support fixup ... Browse Code »

    Current VR5500 processor support lacks of some functions which are
    expected to be configured/synthesized on arch initialization.

    Here're some VR5500A spec notes:

    * All execution hazards are handled in hardware.

    * Once VR5500A stops the operation of the pipeline by WAIT instruction,
    it could return from the standby mode only when either a reset, NMI
    request, or all enabled interrupts is/are detected. In other words,
    if interrupts are disabled by Status.IE=0, it keeps in standby mode
    even when interrupts are internally asserted.

    Notes on WAIT: The operation of the processor is undefined if WAIT
    insn is in the branch delay slot. The operation is also undefined
    if WAIT insn is executed when Status.EXL and Status.ERL are set to 1.

    * VR5500A core only implements the Load prefetch.

    With these changes, it boots fine.

    Signed-off-by: Shinya Kuribayashi
    Signed-off-by: Ralf Baechle

    Shinya Kuribayashi
     

11 Jan, 2009

2 commits

30 Oct, 2008

1 commit

  • cea7e2dfd   MIPS: Sort out CPU type to name translation. ... Browse Code »

    As noticed by David Daney , the old long switch
    statement did not comply with the Linux C coding style. It was also yet
    another place of code to be changed when adding a new processor type
    leading to annoying bugs for example in /proc/cpuinfo.

    Fixed by moving the setting of the CPU type string into the core of the
    probing code and a few BUG_ON() test to ensure the CPU probing code indeed
    did its job and removing multiple now redundant tests.

    Signed-off-by: Ralf Baechle

    Ralf Baechle