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authorKevin Cernekee <cernekee@gmail.com>2009-04-23 17:36:53 -0700
committerRalf Baechle <ralf@linux-mips.org>2009-06-17 11:06:24 +0100
commit605b7ef7b79cee8e36ae5c48700e1a1eec74d38a (patch)
tree81b17230afc77fad0cb07728448ea2427e97069d /arch/mips/mm
parent3807ef3f61e094c9417d1a12f18d6b3c8e27d96f (diff)
MIPS: Support 64-byte D-cache line size
Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/c-r4k.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 171951d2305..71fe4cb778c 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -100,6 +100,12 @@ static inline void r4k_blast_dcache_page_dc32(unsigned long addr)
blast_dcache32_page(addr);
}
+static inline void r4k_blast_dcache_page_dc64(unsigned long addr)
+{
+ R4600_HIT_CACHEOP_WAR_IMPL;
+ blast_dcache64_page(addr);
+}
+
static void __cpuinit r4k_blast_dcache_page_setup(void)
{
unsigned long dc_lsize = cpu_dcache_line_size();
@@ -110,6 +116,8 @@ static void __cpuinit r4k_blast_dcache_page_setup(void)
r4k_blast_dcache_page = blast_dcache16_page;
else if (dc_lsize == 32)
r4k_blast_dcache_page = r4k_blast_dcache_page_dc32;
+ else if (dc_lsize == 64)
+ r4k_blast_dcache_page = r4k_blast_dcache_page_dc64;
}
static void (* r4k_blast_dcache_page_indexed)(unsigned long addr);
@@ -124,6 +132,8 @@ static void __cpuinit r4k_blast_dcache_page_indexed_setup(void)
r4k_blast_dcache_page_indexed = blast_dcache16_page_indexed;
else if (dc_lsize == 32)
r4k_blast_dcache_page_indexed = blast_dcache32_page_indexed;
+ else if (dc_lsize == 64)
+ r4k_blast_dcache_page_indexed = blast_dcache64_page_indexed;
}
static void (* r4k_blast_dcache)(void);
@@ -138,6 +148,8 @@ static void __cpuinit r4k_blast_dcache_setup(void)
r4k_blast_dcache = blast_dcache16;
else if (dc_lsize == 32)
r4k_blast_dcache = blast_dcache32;
+ else if (dc_lsize == 64)
+ r4k_blast_dcache = blast_dcache64;
}
/* force code alignment (used for TX49XX_ICACHE_INDEX_INV_WAR) */