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linux
linux-davinci
Commits
3a22ee49
Commit
3a22ee49
authored
Sep 13, 2005
by
Tony Lindgren
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ARM: OMAP: Sync with mainline
Sync with mainline
parent
abc9491d
Changes
2
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2 changed files
with
3 additions
and
55 deletions
+3
-55
arch/arm/mm/flush.c
arch/arm/mm/flush.c
+0
-52
arch/arm/plat-omap/sram-fn.S
arch/arm/plat-omap/sram-fn.S
+3
-3
No files found.
arch/arm/mm/flush.c
View file @
3a22ee49
...
...
@@ -10,7 +10,6 @@
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/shm.h>
#include <asm/cacheflush.h>
#include <asm/system.h>
...
...
@@ -170,54 +169,3 @@ void flush_dcache_page(struct page *page)
}
}
EXPORT_SYMBOL
(
flush_dcache_page
);
void
flush_cache_mm
(
struct
mm_struct
*
mm
)
{
if
(
cache_is_vivt
())
{
if
(
cpu_isset
(
smp_processor_id
(),
mm
->
cpu_vm_mask
))
__cpuc_flush_user_all
();
return
;
}
if
(
cache_is_vipt_aliasing
())
{
asm
(
"mcr p15, 0, %0, c7, c14, 0
\n
"
" mcr p15, 0, %0, c7, c5, 0
\n
"
" mcr p15, 0, %0, c7, c10, 4"
:
:
"r"
(
0
)
:
"cc"
);
}
}
void
flush_cache_range
(
struct
vm_area_struct
*
vma
,
unsigned
long
start
,
unsigned
long
end
)
{
if
(
cache_is_vivt
())
{
if
(
cpu_isset
(
smp_processor_id
(),
vma
->
vm_mm
->
cpu_vm_mask
))
__cpuc_flush_user_range
(
start
&
PAGE_MASK
,
PAGE_ALIGN
(
end
),
vma
->
vm_flags
);
return
;
}
if
(
cache_is_vipt_aliasing
())
{
asm
(
"mcr p15, 0, %0, c7, c14, 0
\n
"
" mcr p15, 0, %0, c7, c5, 0
\n
"
" mcr p15, 0, %0, c7, c10, 4"
:
:
"r"
(
0
)
:
"cc"
);
}
}
void
flush_cache_page
(
struct
vm_area_struct
*
vma
,
unsigned
long
user_addr
,
unsigned
long
pfn
)
{
if
(
cache_is_vivt
())
{
if
(
cpu_isset
(
smp_processor_id
(),
vma
->
vm_mm
->
cpu_vm_mask
))
{
unsigned
long
addr
=
user_addr
&
PAGE_MASK
;
__cpuc_flush_user_range
(
addr
,
addr
+
PAGE_SIZE
,
vma
->
vm_flags
);
}
return
;
}
if
(
cache_is_vipt_aliasing
())
flush_pfn_alias
(
pfn
,
user_addr
);
}
arch/arm/plat-omap/sram-fn.S
View file @
3a22ee49
...
...
@@ -35,7 +35,7 @@ ENTRY(sram_reprogram_clock)
bic
r0
,
r0
,
#
1
<<
4
@
else
clear
lock
bit
strh
r0
,
[
r2
]
@
set
dpll
into
bypass
mode
orr
r0
,
r0
,
#
1
<<
4
@
set
lock
bit
again
newck
:
strh
r1
,
[
r3
]
@
write
new
ckctl
value
strh
r0
,
[
r2
]
@
write
new
dpll
value
...
...
@@ -48,11 +48,11 @@ delay: sub r4, r4, #1
lock
:
ldrh
r4
,
[
r2
],
#
0
@
read
back
dpll
value
tst
r0
,
#
1
<<
4
@
want
lock
mode
?
beq
out
@
nope
beq
out
@
nope
tst
r4
,
#
1
<<
0
@
dpll
rate
locked
?
beq
lock
@
try
again
out
:
ldmfd
sp
!,
{
r0
-
r12
,
pc
}
@
restore
regs
and
return
ldmfd
sp
!,
{
r0
-
r12
,
pc
}
@
restore
regs
and
return
ENTRY
(
sram_reprogram_clock_sz
)
.
word
.
-
sram_reprogram_clock
Write
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