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Kirill Smelkov
linux
Commits
f74c31d5
Commit
f74c31d5
authored
Nov 29, 2007
by
Jesper Nilsson
Committed by
Jesper Nilsson
Feb 08, 2008
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CRIS v32: Add L2 cache initialization code.
parent
58d08319
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arch/cris/arch-v32/mm/l2cache.c
arch/cris/arch-v32/mm/l2cache.c
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arch/cris/arch-v32/mm/l2cache.c
0 → 100644
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f74c31d5
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <memmap.h>
#include <hwregs/reg_map.h>
#include <hwregs/reg_rdwr.h>
#include <hwregs/l2cache_defs.h>
#include <asm/io.h>
#define L2CACHE_SIZE 64
int
__init
l2cache_init
(
void
)
{
reg_l2cache_rw_ctrl
ctrl
=
{
0
};
reg_l2cache_rw_cfg
cfg
=
{.
en
=
regk_l2cache_yes
};
ctrl
.
csize
=
L2CACHE_SIZE
;
ctrl
.
cbase
=
L2CACHE_SIZE
/
4
+
(
L2CACHE_SIZE
%
4
?
1
:
0
);
REG_WR
(
l2cache
,
regi_l2cache
,
rw_ctrl
,
ctrl
);
/* Flush the tag memory */
memset
((
void
*
)(
MEM_INTMEM_START
|
MEM_NON_CACHEABLE
),
0
,
2
*
1024
);
/* Enable the cache */
REG_WR
(
l2cache
,
regi_l2cache
,
rw_cfg
,
cfg
);
return
0
;
}
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