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924 Commits

Author SHA1 Message Date
Ralf Baechle 714cfe7865 [MIPS] Oprofile: kernel support for the R10000. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:45 +00:00
Nicolas Schichan 583bb86fbb [MIPS] Add support for kexec 
A tiny userland application loading the kernel and invoking kexec_load for 
mips is available here:

http://chac.le-poulpe.net/~nico/kexec/kexec-2006-10-18.tar.gz

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:44 +00:00
Ralf Baechle c237923009 [MIPS] Don't print presence of WAIT instruction on bootup. 
Not useful and quite a big of noise on bootup of large systems.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:44 +00:00
Atsushi Nemoto 5b10496b6e [MIPS] Fast path for rdhwr emulation for TLS 
Add special short path for emulationg RDHWR which is used to support TLS.
Add an extra prologue for cpu_has_vtag_icache case.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:44 +00:00
Atsushi Nemoto 656be92f9a [MIPS] Load modules to CKSEG0 if CONFIG_BUILD_ELF64=n 
This is a patch to load 64-bit modules to CKSEG0 so that can be
compiled with -msym32 option.  This makes each module ~10% smaller.

* introduce MODULE_START and MODULE_END
* custom module_alloc()
* PGD for modules
* change XTLB refill handler synthesizer
* enable -msym32 for modules again
  (revert ca78b1a5c6a6e70e052d3ea253828e49b5d07c8a)

New XTLB refill handler looks like this:

80000080 dmfc0   k0,C0_BADVADDR
80000084 bltz    k0,800000e4			# goto l_module_alloc
80000088 lui     k1,0x8046			# %high(pgd_current)
8000008c ld      k1,24600(k1)			# %low(pgd_current)
80000090 dsrl    k0,k0,0x1b			# l_vmalloc_done:
80000094 andi    k0,k0,0x1ff8
80000098 daddu   k1,k1,k0
8000009c dmfc0   k0,C0_BADVADDR
800000a0 ld      k1,0(k1)
800000a4 dsrl    k0,k0,0x12
800000a8 andi    k0,k0,0xff8
800000ac daddu   k1,k1,k0
800000b0 dmfc0   k0,C0_XCONTEXT
800000b4 ld      k1,0(k1)
800000b8 andi    k0,k0,0xff0
800000bc daddu   k1,k1,k0
800000c0 ld      k0,0(k1)
800000c4 ld      k1,8(k1)
800000c8 dsrl    k0,k0,0x6
800000cc mtc0    k0,C0_ENTRYLO0
800000d0 dsrl    k1,k1,0x6
800000d4 mtc0    k1,C0_ENTRYL01
800000d8 nop
800000dc tlbwr
800000e0 eret
800000e4 dsll    k1,k0,0x2			# l_module_alloc:
800000e8 bgez    k1,80000008			# goto l_vmalloc
800000ec lui     k1,0xc000
800000f0 dsubu   k0,k0,k1
800000f4 lui     k1,0x8046			# %high(module_pg_dir)
800000f8 beq     zero,zero,80000000
800000fc nop
80000000 beq     zero,zero,80000090		# goto l_vmalloc_done
80000004 daddiu  k1,k1,0x4000
80000008 dsll32  k1,k1,0x0			# l_vmalloc:
8000000c dsubu   k0,k0,k1
80000010 beq     zero,zero,80000090		# goto l_vmalloc_done
80000014 lui     k1,0x8046			# %high(swapper_pg_dir)

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:44 +00:00
Yoichi Yuasa 56ae583330 [MIPS] Rewrite GALILEO_INL/GALILEO_OUTL to GT_READ/GT_WRITE 
This patch has rewritten GALILEO_INL/GALILEO_OUTL using GT_READ/GT_WRITE.
This patch tested on Cobalt Qube2.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:43 +00:00
Franck Bui-Huu acd86b8622 [MIPS] Make free_init_pages() arguments to be physical addresses 
It allows caller of this function to not care about CKSEG0/XKPHYS
address mixes. It's now automatically done by free_init_pages().

We can now safely remove hack needed by 64 bit kernels with
CONFIG_BUILD_ELF64=n in free_initmem().

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:42 +00:00
Franck Bui-Huu a7837b76b6 [MIPS] setup.c: clean up initrd related code 
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:42 +00:00
Franck Bui-Huu f5bffe3a9b [MIPS] setup.c: use __pa_symbol() where needed 
It should fix the broken code in resource_init() too.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:41 +00:00
Franck Bui-Huu d4df6d4e7a [MIPS] setup.c: get ride of CPHYSADDR() 
and use new __pa() implementation instead introduced by the previous
patch. Indeed this macro can be used now even by the 64 bit kernels
with CONFIG_BUILD_ELF64=n config.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:41 +00:00
Franck Bui-Huu 99e3b942c6 [MIPS] page.h: remove __pa() usages. 
__pa() was used by virt_to_page() and virt_addr_valid(). These
latter are used when kernel is initialised so __pa() is not
appropriate, we use virt_to_phys() instead.

Futhermore __pa() is going to take care of CKSEG0/XKPHYS
address mix for 64 bit kernels. This makes __pa() more complex
than virt_to_phys() and this extra work is not needed by
virt_to_page() and virt_addr_valid().

Eventually it consolidates virt_to_phys() prototype by making
its argument 'const'. this avoids some warnings that was due
to some virt_to_page() usages which pass const pointer.

Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-30 01:14:40 +00:00
Ralf Baechle f5d6c63a67 [MIPS] Do topology_init even on uniprocessor kernels. 
Otherwise CPU 0 doesn't show up in sysfs which breaks some software.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-29 16:21:34 +00:00
Ralf Baechle 177b2927e2 [MIPS] Fix Bonito bootup message. 
Even when enabling Bonito IOBC coherence the kernel would actually claim
it was disabling it.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-28 19:13:34 +00:00
Thiemo Seufer eb48287508 [MIPS] Hack for SB1 cache issues 
Removing flush_icache_page a while ago broke SB1 which was using an empty
flush_data_cache_page function.  This glues things well enough so a more
efficient but also more intrusive solution can be found later.

Signed-Off-By: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-22 23:34:01 +00:00
Ralf Baechle 73f4388aed [MIPS] Fix EV64120 and Ocelot builds by providing a plat_timer_setup(). 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:39 +00:00
Ralf Baechle 4e5852f31a [MIPS] EV64120: Fix PCI interrupt allocation. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:38 +00:00
Ralf Baechle 4a4cf77923 [MIPS] Make irq number allocator generally available for fixing EV64120. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:38 +00:00
Ralf Baechle 325d08d1a4 [MIPS] EV64120: Fix timer initialization for HZ != 100. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:38 +00:00
Ralf Baechle ff28cbd280 [MIPS] Ocelot 3: Fix MAC address detection after platform_device conversion. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:38 +00:00
Ralf Baechle 907c51b2d1 [MIPS] Ocelot C: Fix MAC address detection after platform_device conversion. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:37 +00:00
Ralf Baechle d6b861c640 [MIPS] SB1: On bootup only flush cache on local CPU. 
This fixes a warning on bootup warning in smp_call_function.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:37 +00:00
Ralf Baechle d19f7befe9 [MIPS] Ocelot 3: Fix large number of warnings. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:36 +00:00
Ralf Baechle ad0b365573 [MIPS] Ocelot C: Fix mapping of ioport address range. 
o Fix warnings
 o 768MB worth of I/O ports were insane
 o 64-bit kernels don't need special handling because ioremap does the magic

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:36 +00:00
Ralf Baechle 2002d2bde1 [MIPS] Ocelot C: Fix warning about missmatching format string. 
CC      arch/mips/momentum/ocelot_c/setup.o
arch/mips/momentum/ocelot_c/setup.c: In function 'momenco_time_init':
arch/mips/momentum/ocelot_c/setup.c:223: warning: format '%d' expects type 'int', but argument 2 has type 'long unsigned int'

Change data type to match format string; a 32-bit type better suits our
needs.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:36 +00:00
Ralf Baechle 9c422e2ad6 [MIPS] Ocelot C: fix eth registration after conversion to platform_device 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2006-11-06 20:55:35 +00:00