Commit Graph

58830 Commits

Author SHA1 Message Date
Atsushi Nemoto 83fd38cabc [MIPS] Add debugfs files to show fpuemu statistics
Export contents of struct mips_fpu_emulator_stats via debugfs.

There is no way to read these statistics for now but they (at least
the "emulated" count) might be sometimes useful for performance tuning
on FPU-less CPUs.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:04 +01:00
Atsushi Nemoto 6312e0ee45 [MIPS] Add some debugfs files to debug unaligned accesses
Currently a number of unaligned instructions is counted but not used.
Add /debug/mips/unaligned_instructions file to show the value.

And add /debug/mips/unaligned_action to control behavior upon an
unaligned access.  Possible actions are:

0: silently fixup the unaligned access.
1: send SIGBUS.
2: dump registers, process name, etc. and fixup.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:04 +01:00
Atsushi Nemoto 2db30150fe [MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs
* Fix pci ops for secondary PCIC
* Do not reserve 1MB for PCI MEM region (leave PCIBIOS_MIN_MEM zero)
* Use platform_device to provide ethernet addresses for internal NICs.
  (background: TX49XX SoCs include PCI NIC (TC35815 compatible)
  connected via its internal PCI bus, but the NIC's PROM interface is
  not connected to SEEPROM.  So we must provide its ethernet address
  by another way.)
* Check return value of early_read_config_word()

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:04 +01:00
Atsushi Nemoto bd43da8ff1 [MIPS] tc35815: Load MAC address via platform_device
TX49XX SoCs include PCI NIC (TC35815 compatible) connected via its
internal PCI bus, but the NIC's PROM interface is not connected to
SEEPROM.  So we must provide its ethernet address by another way.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:04 +01:00
Ralf Baechle 295cbf6d63 [MIPS] Move FPU affinity code into separate file.
Gets rid of some of the CONFIG_MIPS_MT_FPAFF #ifdefery.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:04 +01:00
Atsushi Nemoto 5ddcb3c35b [MIPS] Make ioremap() work on TX39/49 special unmapped segment
TX39XX and TX49XX have "reserved" segment in CKSEG3 area.
0xff000000-0xff3fffff on TX49XX and 0xff000000-0xfffeffff on TX39XX
are reserved (unmapped, uncached).  Controllers on these SoCs are
placed in this segment.

This patch add plat_ioremap() and plat_iounmap() to override default
behavior and implement these hooks for TX39/TX49.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Atsushi Nemoto bb33b19ff9 [MIPS] rbtx4938: Update and minimize defconfig
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Atsushi Nemoto f74cf6ff99 [MIPS] rbtx4938: Convert SPI codes to use generic SPI drivers
Use rtc-rs5c348 and at25 spi protocol driver and spi_txx9 spi
controller driver instead of platform dependent codes.

This patch also removes dependencies to old RTC interfaces such as
rtc_mips_get_time, etc.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Atsushi Nemoto 3896b05418 [MIPS] rbtx4938: Add generic GPIO support
GPIO 0..15 are for TX4938 PIO pins, GPIO 16..18 are for FPGA-driven
chipselect signals for SPI devices.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Thomas Bogendoerfer 06cf5583fd [MIPS] SNI RM updates
- use RTC_CLASS instead of GEN_RTC
- get rid of ds1216 in favour of a RTC_CLASS driver
- use correct console device for older RM400
- use physical addresses for 82596 device
- use 128 byte L1 cache line size (this is needed because most of the
  SNI caches are using 128 L2 cache lines)

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Marc St-Jean 68bc00e311 [MIPS] PMC MSP71xx default configuration
Patch to add default configuration for the PMC-Sierra
MSP71xx devices.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Marc St-Jean 6f95e60acf [MIPS] PMC MSP71xx PCI support
Patch to add PCI support for the PMC-Sierra MSP71xx devices.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Marc St-Jean 9267a30d1d [MIPS] PMC MSP71xx mips common
Patch to add mips common support for the PMC-Sierra MSP71xx devices.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:03 +01:00
Marc St-Jean 35832e26f9 [MIPS] PMC MSP71xx core platform
Patch to add core platform support for the PMC-Sierra MSP71xx devices.

Signed-off-by: Marc St-Jean <Marc_St-Jean@pmc-sierra.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Adrian Bunk a4b156d47d [MIPS] Removes the few leftovers of the MOMENCO_JAGUAR_ATX removal.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Songmao Tian 42d226c724 [MIPS] New files for lemote fulong mini-PC support
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Songmao Tian <tiansm@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Fuxin Zhang 2a21c7300b [MIPS] define Hit_Invalidate_I to Index_Invalidate_I for loongson2
Signed-off-by: Fuxin Zhang <zhangfx@lemote.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Ralf Baechle fee578fad1 [MIPS] Convert init_thread initialization to ISO C initializers.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Ralf Baechle a36920200c [MIPS] Enable support for the userlocal hardware register
Which will cut down the cost of RDHWR $29 which is used to obtain the
TLS pointer and so far being emulated in software down to a single cycle
operation.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Ralf Baechle d223a86154 [MIPS] FP affinity: Coding style cleanups
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:02 +01:00
Ralf Baechle e7c4782f92 [MIPS] Put an end to <asm/serial.h>'s long and annyoing existence
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:01 +01:00
Franck Bui-Huu 192cca6ef2 [MIPS] Remove Momenco Ocelot C support
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 delete mode 100644 arch/mips/configs/ocelot_c_defconfig
 delete mode 100644 arch/mips/momentum/ocelot_c/Makefile
 delete mode 100644 arch/mips/momentum/ocelot_c/cpci-irq.c
 delete mode 100644 arch/mips/momentum/ocelot_c/dbg_io.c
 delete mode 100644 arch/mips/momentum/ocelot_c/irq.c
 delete mode 100644 arch/mips/momentum/ocelot_c/ocelot_c_fpga.h
 delete mode 100644 arch/mips/momentum/ocelot_c/platform.c
 delete mode 100644 arch/mips/momentum/ocelot_c/prom.c
 delete mode 100644 arch/mips/momentum/ocelot_c/reset.c
 delete mode 100644 arch/mips/momentum/ocelot_c/setup.c
 delete mode 100644 arch/mips/momentum/ocelot_c/uart-irq.c
 delete mode 100644 arch/mips/pci/fixup-ocelot-c.c
 delete mode 100644 arch/mips/pci/pci-ocelot-c.c
2007-07-10 17:33:01 +01:00
Ralf Baechle cfd2afc0f6 [MIPS] IP32: Remove experimental tag from kconfig.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:00 +01:00
Ralf Baechle 19df0d1169 [MIPS] PCI: Make dev pointer argument of pcibios_map_irq const.
This is to break the code of people who think they are supposed to scribble
into the pci device structure - it's off limits.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:00 +01:00
Yoichi Yuasa 6b5bf50931 [MIPS] EV64120: Remove support
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:00 +01:00
Maciej W. Rozycki 36de48de85 [MIPS] DECstation: Optimised early printk()
This is an optimised implementation of early printk() for the DECstation.  
After the recent conversion to a MIPS-specific generic routine using a 
character-by-character output the performance dropped significantly.  
This change reverts to the previous speed -- even at 9600 bps of the 
serial console the difference is visible with a naked eye; I presume for a 
framebuffer it is even worse (it may depend on exactly which one is used 
though).

 Additionally the change includes a fix for a problem that the old 
implementation had -- the format used would not actually limit the length 
of the string output.  This new implementation uses a local buffer to deal 
with it -- even with this additional copying it is much faster than the 
generic function.

 Plus this driver is registered much earlier than the generic one, 
allowing one to see critical messages, such as one about an incorrect CPU 
setting used, that are produced beforehand. :-)

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:00 +01:00
Maciej W. Rozycki d388d6853f [MIPS] No I/O ports on the DECstation
There are no I/O ports on the DECstation whatsoever in any configuration 
as neither the CPU nor the peripheral buses used have a concept of such.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:33:00 +01:00
Atsushi Nemoto b63e804459 [MIPS] Remove unused watchpoint support and arch/mips/lib-{32,64}
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:59 +01:00
Yoichi Yuasa c66df567e5 [MIPS] update cobalt_defconfig
Enable Cobalt button support and change ATA driver from BLK_DEV_VIA82CXXX
to PATA_VIA..

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:59 +01:00
Franck Bui-Huu b1c65b3988 [MIPS] Fix PHYS_OFFSET for 64-bits kernels with 32-bits symbols
The current implementation of __pa() for 64-bits kernels with 32-bits
symbols is broken. In this configuration, we need 2 values for
PAGE_OFFSET, one in XKPHYS and the other in CKSEG0 space.

When the value in CKSEG0 space is used, it doesn't take into account
of PHYS_OFFSET. Even worse we can't redefine this value.

The patch restores CPHYSADDR() but in __pa()'s implementation because
it removes the need of 2 PAGE_OFFSET.

OTOH, CPHYSADDR() is quite bad when dealing with mapped kernels. So
this patch assumes there's no need to deal with such kernel in 64-bits
world.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:57 +01:00
Franck Bui-Huu 41b0483ee5 [MIPS] Move PHY_OFFSET definition in spaces.h
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:57 +01:00
Franck Bui-Huu db38501511 [MIPS] Make PAGE_OFFSET aware of PHYS_OFFSET
For platforms that use PHYS_OFFSET and do not use a mapped kernel,
this patch automatically adds PHYS_OFFSET into PAGE_OFFSET.
Therefore there are no more needs for them to redefine PAGE_OFFSET.

For mapped kernel, they need to redefine PAGE_OFFSET anyways.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:57 +01:00
Franck Bui-Huu c4612c8596 [MIPS] Clean up asm-mips/mach-generic/spaces.h
PAGE_OFFSET definition is now using CAC_BASE by default.

This patch also reorder some macros to make them appear
in the same order for both 32 and 64 bits configs.

It also makes use of const.h generic header file to
annotate constants.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:57 +01:00
Franck Bui-Huu 09bb9ce15f [MIPS] Allow generic spaces.h to be included by platform specific ones
Before this patch, when a platform needed to customize one constant in
spaces.h, they need to redefine all of them.

Now they can just redefine one constant and include the generic file
header at the end:

	#include <asm/mach-generic/spaces.h>

This patch doesn't allow to redefine CAC_BASE, IO_BASE and UNCAC_BASE
for 32 bits platforms because there's no need to do so.

This will avoid some macro duplications. It's important specially if
we'll add complex macros.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

 delete mode 100644 include/asm-mips/mach-ip32/spaces.h
2007-07-10 17:32:57 +01:00
Atsushi Nemoto 69ed25b895 [MIPS] Remove unused dump_tlb functions
Remove unused dump_tlb functions and cleanup some includes.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:57 +01:00
Atsushi Nemoto 4becef1d85 [MIPS] Unify dump_tlb
Unify lib-{32,64}/dump_tlb.c into lib/dump_tlb.c and move
lib-32/r3k_dump_tlb.c to lib directory.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Ralf Baechle f6e2373ad6 [MIPS] MIPSsim: Move code away from the other MIPS Inc. BSP code.
It shares no code at all.  While at it also fix up the beginning bitrot.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Ralf Baechle 24e9d0b96d [MIPS] Hook for platforms to define cachability of /dev/mem regions
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Ralf Baechle 8bb809df69 [MIPS] Cleanup TO_PHYS_MASK definition
No point in adding yet another #ifdef for Loongson since all this mask is
being used for is converting an XKPHYS address into a physical address
anyway.  So replace all definitions by one with the highest architectural
possible value.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Robert P. J. Day b3f6df9f21 [MIPS] Transform old-style macros to newer "__noreturn"
Convert old/obsolete NORET_TYPE and ATTRIB_NORET macros to use the
newer standard of "__noreturn" as defined in compiler-gcc.h.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Ralf Baechle 8f8771a057 [MIPS] SMTC: Use current_cpu_data instead of cpu_data[smp_processor_id]
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Florian Fainelli 4ead16819b [MIPS] Add generic GPIO to Au1x00
This patch adds support for the generic GPIO API to Au1x00 boards. It requires
the generic GPIO patch for MIPS boards by Yoichi Yuasa. Now there is a MIPS
target using it, can you queue these patchset for 2.6.22 ? Thank you very
much in advance.

Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Atsushi Nemoto 82b8d2250c [MIPS] Create fallback gpio.h
Create fallback gpio.h which only contains prototypes for gpio API.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:56 +01:00
Yoichi Yuasa 096633358c [MIPS] Add generic GPIO support
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Adrian Bunk 4679258d52 [MIPS] Remove unused cpu_callout_map and num_booting_cpus()
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Adrian Bunk 9797cae3bf [MIPS] "extern inline" -> "static inline"
"extern inline" will have different semantics with gcc 4.3, and
"static inline" is correct here.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Atsushi Nemoto e48ce6b8df [MIPS] Simplify missing-syscalls for N32 and O32
Use standard missing-syscalls with EXTRA_CFLAGS instead of duplicating
the command.  And move the archprepare rule before the archclean rule.
Suggested by Franck Bui-Huu.  Also add "echo" to show the target ABI.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Yoichi Yuasa d7eb079fc8 [MIPS] Remove unused config entries
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Yoichi Yuasa e934c82657 [MIPS] remove unused definitions for Cobalt
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2007-07-10 17:32:55 +01:00
Alan Cox f49343a548 IOC3: Switch to pci refcounting safe APIs
Convert the IOC3 driver to use ref counting pci interfaces so that we can
obsolete the (usually unsafe) pci_find_{slot/device} interfaces and avoid
future authors writing hotplug-unsafe device drivers.

Signed-off-by: Alan Cox <alan@redhat.com>

Build fixes:
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-10 12:29:24 -04:00