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02cf211968
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59 Commits

Author SHA1 Message Date
Ralf Baechle
02cf211968 Cleanup the mess in cpu_cache_init. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:32 +01:00
Ralf Baechle
f5cfa980e5 Use R4000 TLB routines for SB1 also. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:31 +01:00
Atsushi Nemoto
9043f7e95d Sync c-tx39.c with c-r4k.c. 
tx39_flush_cache_range() does nothing if !cpu_has_dc_aliases.  It should
flush d-cache and invalidate i-cache since the TX39(H2) has separate I/D
cache.
    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:28 +01:00
Thiemo Seufer
10a3dabddd Add/Fix missing bit of R4600 hit cacheop workaround. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:18 +01:00
Thiemo Seufer
02fe2c9ce3 Minor code cleanup. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:17 +01:00
Thiemo Seufer
f5b4d9563b R4600 v2.0 needs a nop before tlbp. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:17 +01:00
Thiemo Seufer
424cadae94 Don't set up a sg dma address if we have no page address for some reason. 
Code cleanup.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:17 +01:00
Thiemo Seufer
d8748a3abf More .set push/pop. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:16 +01:00
Thiemo Seufer
330cfe016b Let r4600 PRID detection match only legacy CPUs, cleanups. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:15 +01:00
Ralf Baechle
7623debf26 Handle mtc0 - tlb write hazard for VR5432. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:32:12 +01:00
Ralf Baechle
1d40cfcd34 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>
 2005-10-29 19:31:54 +01:00
Pete Popov
bdf21b18b4 Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:54 +01:00
Ralf Baechle
e01402b115 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>
 2005-10-29 19:31:53 +01:00
Ralf Baechle
ec74e361f1 Mark a few variables __read_mostly. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:46 +01:00
Ralf Baechle
cc61c1fede MIPS R2 instruction hazard handling. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:46 +01:00
Ralf Baechle
bbc7f22f6d Detect the 34K. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:45 +01:00
Ralf Baechle
60080265a1 Define kmap_atomic_pfn() for MIPS. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:42 +01:00
Ralf Baechle
3ef33e68c1 Date: Fri Jul 8 20:10:17 2005 +0000 
Those literals are long.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:40 +01:00
Ralf Baechle
6e760c8dae Rename CONFIG_CPU_MIPS{32,64} to CONFIG_CPU_MIPS{32|64}_R1. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:37 +01:00
Maciej W. Rozycki
2c93e12cfe Avoid tlbw* hazards for the R4600/R4700/R5000. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:34 +01:00
Maciej W. Rozycki
c3455b0efc Inline ioremap() calls for constant addresses that map to KSEG1. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:34 +01:00
Maciej W. Rozycki
4c0a2d4275 Fix the diagnostic dump for the XTLB refill handler. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:32 +01:00
Maciej W. Rozycki
41986a6e7e Fix a diagnostic message. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:32 +01:00
Maciej W. Rozycki
c6ad7b7d3c Use macros for the RM7k cp0.config bits instead of magic numbers. 
Minor clean-ups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:28 +01:00
Maciej W. Rozycki
fded2e508a 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>
 2005-10-29 19:31:22 +01:00
Maciej W. Rozycki
d925c262dd Fill R3k load delay slots properly. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:21 +01:00
Maciej W. Rozycki
9678e28b1a Only dump instructions actually emitted. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:21 +01:00
Thiemo Seufer
63b2d2f4d2 Handle _PAGE_DIRTY correctly for CONFIG_64BIT_PHYS_ADDR on 32bit CPUs. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:11 +01:00
Thiemo Seufer
ba5187dbb4 Better interface to run uncached cache setup code. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:11 +01:00
Ralf Baechle
1342f7e6c5 Arrested for multiple offences of header file inclusion. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:07 +01:00
Thiemo Seufer
172546bf60 Fix race conditions for read_c0_entryhi. Remove broken ASID masks in 
tlb-sb1.c. Make tlb-r4k.c and tlb-sb1.c more similiar and more efficient.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:01 +01:00
Maciej W. Rozycki
202d0388e7 Remove useless casts. Fix formatting. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:00 +01:00
Thiemo Seufer
1b3a6e975c Fix 64bit SMP TLB handler and stack frame handling, optimize 32bit SMP 
TLB handlers a bit, match definitions in pgtable-{32,64}.h better.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:31:00 +01:00
Ralf Baechle
6cbe063159 R4300 delay slot. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:59 +01:00
Ralf Baechle
53de0d471f Reformat; cosmetic cleanups. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:57 +01:00
Ralf Baechle
9ff77c469e Export shm_align_mask and flush_data_cache_page. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:54 +01:00
Ralf Baechle
77c728c224 Gcc 4.0 fixes. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:53 +01:00
Ralf Baechle
fe00f943e0 Sparseify MIPS. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:50 +01:00
Pete Popov
e3ad1c23ba Base Au1200 2.6 support. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:47 +01:00
Thiemo Seufer
685f779e60 Fix initialization. Unbreak the wait-for-completion loops. Code cleanup. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:44 +01:00
Maciej W. Rozycki
65bda1a95d Switch SiByte drivers back to __raw_*() functions. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:44 +01:00
Thiemo Seufer
16033d6104 Handle addresses beyond VMALLOC_END correctly. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:38 +01:00
Thiemo Seufer
26a51b270f Use intermediate variable. 
Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:38 +01:00
Ralf Baechle
79acf83e50 Moves a test which determines if we actually need to perform a 
cacheflush to the right place.  That's a bug which is harmless on UP
but a severe bug on SMP.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:31 +01:00
Ralf Baechle
c6e8b58771 Update MIPS to use the 4-level pagetable code thereby getting rid of 
the compacrapability headers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:31 +01:00
Ralf Baechle
505403b6a0 25Kf is also physically indexed. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:29 +01:00
Ralf Baechle
a95970f323 20Kc and SB1 don't suffer from aliases. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:28 +01:00
Ralf Baechle
84fd089a42 Delete duplicate copy of fixrange_init. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:28 +01:00
Ralf Baechle
ae6aafe309 Move missplaced code line to the right place. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:26 +01:00
Ralf Baechle
d1e344e500 Use hardware mechanism to deal with cache aliases in the 24K. 
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
 2005-10-29 19:30:25 +01:00