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Commit ecba1060 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Centralize the CPU cache initialization routines. 



This provides a central point for CPU cache initialization routines.
This replaces the antiquated p3_cache_init() method, which the vast
majority of CPUs never cared about.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent e82da214

arch/sh/include/asm/cacheflush.h

+2 −1
Original line number Diff line number Diff line
@@ -12,7 +12,6 @@ 
 *

 * See arch/sh/kernel/cpu/init.c:cache_init().

 */

#define p3_cache_init()				do { } while (0)

#define flush_cache_all()			do { } while (0)

#define flush_cache_mm(mm)			do { } while (0)

#define flush_cache_dup_mm(mm)			do { } while (0)
@@ -78,5 +77,7 @@ void kunmap_coherent(void); 


#define PG_dcache_dirty	PG_arch_1



void cpu_cache_init(void);



#endif /* __KERNEL__ */

#endif /* __ASM_SH_CACHEFLUSH_H */

arch/sh/include/cpu-common/cpu/cacheflush.h

+0 −2
Original line number Diff line number Diff line
@@ -39,6 +39,4 @@ 
#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)

#define flush_cache_sigtramp(vaddr)		do { } while (0)



#define p3_cache_init()				do { } while (0)



#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */

arch/sh/include/cpu-sh2a/cpu/cacheflush.h

+0 −1
Original line number Diff line number Diff line
@@ -30,5 +30,4 @@ void flush_icache_range(unsigned long start, unsigned long end); 
#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)

#define flush_cache_sigtramp(vaddr)		do { } while (0)



#define p3_cache_init()				do { } while (0)

#endif /* __ASM_CPU_SH2A_CACHEFLUSH_H */

arch/sh/include/cpu-sh3/cpu/cacheflush.h

+0 −2
Original line number Diff line number Diff line
@@ -32,8 +32,6 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page); 
#define flush_cache_sigtramp(vaddr)		do { } while (0)

#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)



#define p3_cache_init()				do { } while (0)



#else

#include <cpu-common/cpu/cacheflush.h>

#endif

arch/sh/include/cpu-sh4/cpu/cacheflush.h

+0 −3
Original line number Diff line number Diff line
@@ -35,7 +35,4 @@ void flush_icache_user_range(struct vm_area_struct *vma, struct page *page, 


#define flush_icache_page(vma,pg)		do { } while (0)



/* Initialization of P3 area for copy_user_page */

void p3_cache_init(void);



#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */