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nexedi
linux
Commits
648b130f
Commit
648b130f
authored
Apr 27, 2003
by
Russell King
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[ARM] Bypass cache cleaning if cache/mmu was disabled.
parent
92e379cb
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arch/arm/boot/compressed/head-sa1100.S
arch/arm/boot/compressed/head-sa1100.S
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arch/arm/boot/compressed/head-sa1100.S
View file @
648b130f
...
...
@@ -50,6 +50,10 @@ __SA1100_start:
10
:
#endif
mrc
p15
,
0
,
r0
,
c1
,
c0
,
0
@
read
control
reg
ands
r0
,
r0
,
#
0x0d
beq
99
f
@
Data
cache
might
be
active
.
@
Be
sure
to
flush
kernel
binary
out
of
the
cache
,
@
whatever
state
it
is
,
before
it
is
turned
off
.
...
...
@@ -68,11 +72,4 @@ __SA1100_start:
bic
r0
,
r0
,
#
0x0d
@
clear
WB
,
DC
,
MMU
bic
r0
,
r0
,
#
0x1000
@
clear
Icache
mcr
p15
,
0
,
r0
,
c1
,
c0
,
0
/*
*
Pause
for
a
short
time
so
that
we
give
enough
time
*
for
the
host
to
start
a
terminal
up
.
*/
mov
r0
,
#
0x00200000
1
:
subs
r0
,
r0
,
#
1
bne
1
b
99
:
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