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MIPS: mm: c-r4k: Build EVA {d,i}cache flushing functions 

Build EVA specific cache flushing functions (ie cachee).
They will be used by a subsequent patch.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
hifive-unleashed-5.1
Leonid Yegoshin 2014-01-15 14:47:28 +00:00 committed by Ralf Baechle
parent 0893d3fb8d
commit 4caa906ee9
1 changed files with 47 additions and 0 deletions
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47
arch/mips/mm/c-r4k.c
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@ -123,6 +123,28 @@ static void r4k_blast_dcache_page_setup(void)
r4k_blast_dcache_page = r4k_blast_dcache_page_dc64;
}
#ifndef CONFIG_EVA
#define r4k_blast_dcache_user_page r4k_blast_dcache_page
#else
static void (*r4k_blast_dcache_user_page)(unsigned long addr);
static void r4k_blast_dcache_user_page_setup(void)
{
unsigned long dc_lsize = cpu_dcache_line_size();
if (dc_lsize == 0)
r4k_blast_dcache_user_page = (void *)cache_noop;
else if (dc_lsize == 16)
r4k_blast_dcache_user_page = blast_dcache16_user_page;
else if (dc_lsize == 32)
r4k_blast_dcache_user_page = blast_dcache32_user_page;
else if (dc_lsize == 64)
r4k_blast_dcache_user_page = blast_dcache64_user_page;
}
#endif
static void (* r4k_blast_dcache_page_indexed)(unsigned long addr);
static void r4k_blast_dcache_page_indexed_setup(void)
@ -245,6 +267,27 @@ static void r4k_blast_icache_page_setup(void)
r4k_blast_icache_page = blast_icache64_page;
}
#ifndef CONFIG_EVA
#define r4k_blast_icache_user_page r4k_blast_icache_page
#else
static void (*r4k_blast_icache_user_page)(unsigned long addr);
static void __cpuinit r4k_blast_icache_user_page_setup(void)
{
unsigned long ic_lsize = cpu_icache_line_size();
if (ic_lsize == 0)
r4k_blast_icache_user_page = (void *)cache_noop;
else if (ic_lsize == 16)
r4k_blast_icache_user_page = blast_icache16_user_page;
else if (ic_lsize == 32)
r4k_blast_icache_user_page = blast_icache32_user_page;
else if (ic_lsize == 64)
r4k_blast_icache_user_page = blast_icache64_user_page;
}
#endif
static void (* r4k_blast_icache_page_indexed)(unsigned long addr);
@ -1468,6 +1511,10 @@ void r4k_cache_init(void)
r4k_blast_scache_page_setup();
r4k_blast_scache_page_indexed_setup();
r4k_blast_scache_setup();
#ifdef CONFIG_EVA
r4k_blast_dcache_user_page_setup();
r4k_blast_icache_user_page_setup();
#endif
/*
* Some MIPS32 and MIPS64 processors have physically indexed caches.