diff options
Diffstat (limited to 'cpu/arm720t/cpu.c')
-rw-r--r-- | cpu/arm720t/cpu.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/cpu/arm720t/cpu.c b/cpu/arm720t/cpu.c index 5ac8f59..8166982 100644 --- a/cpu/arm720t/cpu.c +++ b/cpu/arm720t/cpu.c @@ -188,71 +188,9 @@ int dcache_status (void) { return (read_p15_c1 () & C1_IDC) != 0; } - -#elif defined(CONFIG_S3C4510B) - -void icache_enable (void) -{ - s32 i; - - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); - - /* 8KB cache, write enable */ - SET_REG( REG_SYSCFG, CACHE_WRITE_BUFF | CACHE_MODE_01); - - /* clear TAG RAM bits */ - for ( i = 0; i < 256; i++) - PUT_REG( CACHE_TAG_RAM + 4*i, 0x00000000); - - /* clear SET0 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET0_RAM + 4*i, 0x00000000); - - /* clear SET1 RAM */ - for(i=0; i < 1024; i++) - PUT_REG( CACHE_SET1_RAM + 4*i, 0x00000000); - - /* enable cache */ - SET_REG( REG_SYSCFG, CACHE_ENABLE); - -} - -void icache_disable (void) -{ - /* disable all cache bits */ - CLR_REG( REG_SYSCFG, 0x3F); -} - -int icache_status (void) -{ - return GET_REG( REG_SYSCFG) & CACHE_ENABLE; -} - -void dcache_enable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_enable(); -} - -void dcache_disable (void) -{ - /* we don't have seperate instruction/data caches */ - icache_disable(); -} - -int dcache_status (void) -{ - /* we don't have seperate instruction/data caches */ - return icache_status(); -} - #elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR) /* No specific cache setup for IntegratorAP/CM720T as yet */ void icache_enable (void) { } -#elif defined(CONFIG_LPC2292) /* just to satisfy the compiler */ -#else -#error No icache/dcache enable/disable functions defined for this CPU type #endif |