Commit 4caa906e authored by Leonid Yegoshin's avatar Leonid Yegoshin Committed by Ralf Baechle
Browse files

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: default avatarLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: default avatarMarkos Chandras <markos.chandras@imgtec.com>
parent 0893d3fb

arch/mips/mm/c-r4k.c

+47 −0
Original line number Diff line number Diff line
@@ -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.