MT bulletproofing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

On CONFIG_64BIT_PHYS_ADDR, pfn always fits in 'unsigned long', but
pfn<<PAGE_SHIFT sometimes extends beyond.  The pte is big enough to hold
'long long', but the shift in pfn_pte() needs to do its calculation with
enough bits to hold the result.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix parenthesis in macros.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Do the timer interrupt only once on CPU 0 ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Define cpu_icache_snoops_remote_store.  This is slight abuse of something
which originally was meant for SMP cache managment but it can be argued
to apply on the 34K as well.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Add a few simple error checks to tlb dumper.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Reindent dump_tlb.c.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Add missing space.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Display presence of SmartMIPS, DSP and MT ASEs in /proc/cpuinfo.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Delete old junk.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Spelling fix.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Support for CoreFPGA-3.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Implement get_system_type() for Qemu to get procfs-enabled kernels to
link.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

A little more Kconfig untangeling.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Inlining will result in back-to-back mtc0 mfc0 instructions.  Break the
hazard by using back_to_back_c0_hazard().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use pr_debug instead of homegrown debug print macros.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Send CONFIG_VTAG_ICACHE back into it's cold grave.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Get rid of the nonsense in the CONFIG_CPU_HAS_PREFETCH block.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

sys is only used for native o32 ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

R4600 has 32 FPRs.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Support for Toshiba's RBHMA4500 eval board for the TX4938.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Void functions shouldn't return values

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

commit 1858f72fa2e2f63e62114a9bd40c8e68468d8c5e
Author: Ralf Baechle <ralf@linux-mips.org>
Date:   Fri Jul 22 05:46:02 2005 +0000

New build target vmlinux.bin build raw binary image for Qemu.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Au1x PM fixes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Drop IP27 support for Qlogic ISP.  This driver is buggy and has been
obsoleted by the qla1280 after the recent fixes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Make sure that the processor is actually online or die spectacularly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Avoid SMP cacheflushes.  This is a minor optimization of startup but
will also avoid smp_call_function from doing stupid things when called
from a CPU that is not yet marked online.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

More AP / SP bits for the 34K, the Malta bits and things.  Still wants
a little polishing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Move Origin crapola into a machine-specific header file.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Prevent gcc from optimizing a few functions away completly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Detect the MIPS R2 vectored interrupt, external interrupt controller
options and the precense of the MT ASE.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Macros to access the register of processors using the new MIPS
Multithreading ASE, also know as MT ASE.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mipsmtregs.h b/include/asm-mips/mipsmtregs.h
new file mode 100644

Fix the fixup_bigphys_addr compile problem.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Removed __ilog2 since it's no longer needed and conflicts with the
generic one.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

A few more macros to access MIPS R2 architecture registers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

New kernel option nowait allows disabling the use of the wait instruction.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use an irq_enable_hazard hazard barrier in unmask_mips_irq.  This
hasn't been an actual bug, so it's more a change to be 100% compliant
with the requirements of the architecture spec.  Similar fix to
mask_mips_irq where there was a slightly less theoretical chance of
getting hit.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Add EF_MIPS_ARCH_32R2 and EF_MIPS_ARCH_64R2 for tagging of R2 binaries.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Add a few more SHN_MIPS_* symbols from glibc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Add inotify syscalls for MIPS.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Mark a few variables __read_mostly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

MIPS R2 instruction hazard handling.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Detect the 34K.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Generate code for MIPS32 / MIPS64 Release 2 if configured for one of
these architectures.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use ei / di MIPS32 R2 instructions if available.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

MIPS 32/64 R2 config option.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use clz / dclz on MIPS32 / MIPS64 processors.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

In pcibios_enable_resources go back to handling all PCI_NUM_RESOURCES
resources.  We tried previous but ran into problems ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use Kconfig.preempt.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Define kmap_atomic_pfn() for MIPS.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Setup_frame is now returning a success value.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Temporary hack for Qemu and MIPSsim until they get a proper ELF loader.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix endianess bugs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Date:   Fri Jul 8 20:10:17 2005 +0000

Those literals are long.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Protect noat assembly with .set push/pop and make it somewhat readable.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Fix get_saved_sp for 64bit address space. Simplify set_save_sp.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

IP30 Identification.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

... and it isn't a canonicalized triplet but just the n-plet used to
configure gcc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Grep deesn't like shell-style matching...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Hack to make compiles for the other endianness easier.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Rename CONFIG_CPU_MIPS{32,64} to CONFIG_CPU_MIPS{32|64}_R1.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Don't redeclare ll_local_timer_interrupt.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Brian Murphy says:
    this fixes Lasat pci to work with multi-function devices by assigning
    the correct values based on pin number (instead of ignoring them).

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Code cleanup, thanks Brian Murphy.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

Use physical addresses at the interface level, letting drivers remap
them as appropriate.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Prevent 64-bit constants from being cropped to 32 bits when used in C code.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Avoid tlbw* hazards for the R4600/R4700/R5000.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Inline ioremap() calls for constant addresses that map to KSEG1.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Avoid defining variables in the middle of a block which breaks older
compilers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

More .set to keep 32-bit processors happy.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix the diagnostic dump for the XTLB refill handler.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix a diagnostic message.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Conversion to plat_setup() for TX4927 also.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Using get_nasid() to find the console node will blow up nicely if
called on a another node than the console node, so use the master_nasid
instead and in the unlikely case that one isn't initialized yet, fall
back to get_nasid().

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Always use ".set mips3" rather than select between "mips2" or "mips3"
for assembling ll/sc sequences to avoid problems with 64-bit
configurations.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Actual handlers for bus errors for Pmax and 3min.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/dec/kn01-berr.c b/arch/mips/dec/kn01-berr.c
new file mode 100644

System-specific handling of bus errors for DECstation variations
supporting parity errors only for memory (Pmax/3min/Maxine).
Fixes for resources decoded by the KN04/KN05 MB ASIC.  Additional
clean-ups for the ECC handler.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use correct names for bits in the R3k cp0.status register.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Get the thing to compile again ...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Use macros for the RM7k cp0.config bits instead of magic numbers.
Minor clean-ups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix types for firmware arguments.  Don't define unneeded messages.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Remove left-over unused bits.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Mark __die() "noreturn" for real.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix function types to ones appropriate for initcalls.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

GCC 4.0.0 broke `attribute(("alias"))' -- resort to an assembly variant.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Deal with the bloody KSEG vs CKSEG horror...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

There is NO port I/O space on the DECstation.  Minor clean-ups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Redo RM9000 workaround which along with other DSP ASE changes was
causing some headache for debuggers knowing about signal frames.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Enable a suitable ISA for the assembler around ll/sc so that code
builds even for processors that don't support the instructions.
Plus minor formatting fixes.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Optimize R3k TLB Load/Store/Modified handlers, by scheduling
delay slots properly and avoiding an unnecessary jump to a jump.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fill R3k load delay slots properly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Only dump instructions actually emitted.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

dec_esp: Use physical addresses

These should really be addresses obtained with ioremap() or some
bus-specific backend, but for now...

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

This interrupt is *always* handled -- MIPS_BE_DISCARD just means
no further action wanted.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Fix dependencies for DECstation framebuffers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

Remove dead code which was causing warnings.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

For MIPS32/MIPS64 cp0.config.mt == 1 implies a standard (R4k-style)
TLB, so no need to set it separately for each implementation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

The DbAu1500 board also support big endian. Gee, imagine that.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>