diff options
Diffstat (limited to 'arch/m68k/lib/cache.c')
| -rw-r--r-- | arch/m68k/lib/cache.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/m68k/lib/cache.c b/arch/m68k/lib/cache.c index de04124404c..a21fe327944 100644 --- a/arch/m68k/lib/cache.c +++ b/arch/m68k/lib/cache.c @@ -8,6 +8,7 @@ #include <cpu_func.h> #include <asm/immap.h> #include <asm/cache.h> +#include <linux/errno.h> volatile int *cf_icache_status = (int *)ICACHE_STATUS; volatile int *cf_dcache_status = (int *)DCACHE_STATUS; @@ -29,7 +30,7 @@ int dcache_status(void) void icache_enable(void) { - icache_invalid(); + invalidate_icache_all(); *cf_icache_status = 1; @@ -53,7 +54,7 @@ void icache_disable(void) u32 temp = 0; *cf_icache_status = 0; - icache_invalid(); + invalidate_icache_all(); #if defined(CONFIG_CF_V4) || defined(CFG_CF_V4E) __asm__ __volatile__("movec %0, %%acr2"::"r"(temp)); @@ -68,7 +69,7 @@ void icache_disable(void) #endif } -void icache_invalid(void) +void invalidate_icache_all(void) { u32 temp; @@ -134,6 +135,15 @@ void dcache_invalid(void) #endif } +/* + * Default implementation: + * do a range flush for the entire range + */ +__weak void flush_dcache_all(void) +{ + flush_dcache_range(0, ~0); +} + __weak void invalidate_dcache_range(unsigned long start, unsigned long stop) { /* An empty stub, real implementation should be in platform code */ @@ -142,3 +152,8 @@ __weak void flush_dcache_range(unsigned long start, unsigned long stop) { /* An empty stub, real implementation should be in platform code */ } + +int __weak pgprot_set_attrs(phys_addr_t addr, size_t size, enum pgprot_attrs perm) +{ + return -ENOSYS; +} |