diff options
Diffstat (limited to 'arch/sh/mm/cache-sh4.c')
| -rw-r--r-- | arch/sh/mm/cache-sh4.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c index a98c7d8984fa..519e2d16cd06 100644 --- a/arch/sh/mm/cache-sh4.c +++ b/arch/sh/mm/cache-sh4.c | |||
| @@ -26,7 +26,7 @@ | |||
| 26 | #define MAX_DCACHE_PAGES 64 /* XXX: Tune for ways */ | 26 | #define MAX_DCACHE_PAGES 64 /* XXX: Tune for ways */ |
| 27 | #define MAX_ICACHE_PAGES 32 | 27 | #define MAX_ICACHE_PAGES 32 |
| 28 | 28 | ||
| 29 | static void __flush_cache_4096(unsigned long addr, unsigned long phys, | 29 | static void __flush_cache_one(unsigned long addr, unsigned long phys, |
| 30 | unsigned long exec_offset); | 30 | unsigned long exec_offset); |
| 31 | 31 | ||
| 32 | /* | 32 | /* |
| @@ -89,8 +89,7 @@ static void __uses_jump_to_uncached sh4_flush_icache_range(void *args) | |||
| 89 | local_irq_restore(flags); | 89 | local_irq_restore(flags); |
| 90 | } | 90 | } |
| 91 | 91 | ||
| 92 | static inline void flush_cache_4096(unsigned long start, | 92 | static inline void flush_cache_one(unsigned long start, unsigned long phys) |
| 93 | unsigned long phys) | ||
| 94 | { | 93 | { |
| 95 | unsigned long flags, exec_offset = 0; | 94 | unsigned long flags, exec_offset = 0; |
| 96 | 95 | ||
| @@ -103,8 +102,7 @@ static inline void flush_cache_4096(unsigned long start, | |||
| 103 | exec_offset = 0x20000000; | 102 | exec_offset = 0x20000000; |
| 104 | 103 | ||
| 105 | local_irq_save(flags); | 104 | local_irq_save(flags); |
| 106 | __flush_cache_4096(start | SH_CACHE_ASSOC, | 105 | __flush_cache_one(start | SH_CACHE_ASSOC, P1SEGADDR(phys), exec_offset); |
| 107 | P1SEGADDR(phys), exec_offset); | ||
| 108 | local_irq_restore(flags); | 106 | local_irq_restore(flags); |
| 109 | } | 107 | } |
| 110 | 108 | ||
| @@ -129,8 +127,8 @@ static void sh4_flush_dcache_page(void *arg) | |||
| 129 | 127 | ||
| 130 | /* Loop all the D-cache */ | 128 | /* Loop all the D-cache */ |
| 131 | n = boot_cpu_data.dcache.n_aliases; | 129 | n = boot_cpu_data.dcache.n_aliases; |
| 132 | for (i = 0; i < n; i++, addr += 4096) | 130 | for (i = 0; i < n; i++, addr += PAGE_SIZE) |
| 133 | flush_cache_4096(addr, phys); | 131 | flush_cache_one(addr, phys); |
| 134 | } | 132 | } |
| 135 | 133 | ||
| 136 | wmb(); | 134 | wmb(); |
| @@ -318,11 +316,11 @@ static void sh4_flush_cache_page(void *args) | |||
| 318 | /* We only need to flush D-cache when we have alias */ | 316 | /* We only need to flush D-cache when we have alias */ |
| 319 | if ((address^phys) & alias_mask) { | 317 | if ((address^phys) & alias_mask) { |
| 320 | /* Loop 4K of the D-cache */ | 318 | /* Loop 4K of the D-cache */ |
| 321 | flush_cache_4096( | 319 | flush_cache_one( |
| 322 | CACHE_OC_ADDRESS_ARRAY | (address & alias_mask), | 320 | CACHE_OC_ADDRESS_ARRAY | (address & alias_mask), |
| 323 | phys); | 321 | phys); |
| 324 | /* Loop another 4K of the D-cache */ | 322 | /* Loop another 4K of the D-cache */ |
| 325 | flush_cache_4096( | 323 | flush_cache_one( |
| 326 | CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask), | 324 | CACHE_OC_ADDRESS_ARRAY | (phys & alias_mask), |
| 327 | phys); | 325 | phys); |
| 328 | } | 326 | } |
| @@ -337,7 +335,7 @@ static void sh4_flush_cache_page(void *args) | |||
| 337 | * kernel has never executed the code through its identity | 335 | * kernel has never executed the code through its identity |
| 338 | * translation. | 336 | * translation. |
| 339 | */ | 337 | */ |
| 340 | flush_cache_4096( | 338 | flush_cache_one( |
| 341 | CACHE_IC_ADDRESS_ARRAY | (address & alias_mask), | 339 | CACHE_IC_ADDRESS_ARRAY | (address & alias_mask), |
| 342 | phys); | 340 | phys); |
| 343 | } | 341 | } |
| @@ -393,7 +391,7 @@ static void sh4_flush_cache_range(void *args) | |||
| 393 | } | 391 | } |
| 394 | 392 | ||
| 395 | /** | 393 | /** |
| 396 | * __flush_cache_4096 | 394 | * __flush_cache_one |
| 397 | * | 395 | * |
| 398 | * @addr: address in memory mapped cache array | 396 | * @addr: address in memory mapped cache array |
| 399 | * @phys: P1 address to flush (has to match tags if addr has 'A' bit | 397 | * @phys: P1 address to flush (has to match tags if addr has 'A' bit |
| @@ -406,7 +404,7 @@ static void sh4_flush_cache_range(void *args) | |||
| 406 | * operation (purge/write-back) is selected by the lower 2 bits of | 404 | * operation (purge/write-back) is selected by the lower 2 bits of |
| 407 | * 'phys'. | 405 | * 'phys'. |
| 408 | */ | 406 | */ |
| 409 | static void __flush_cache_4096(unsigned long addr, unsigned long phys, | 407 | static void __flush_cache_one(unsigned long addr, unsigned long phys, |
| 410 | unsigned long exec_offset) | 408 | unsigned long exec_offset) |
| 411 | { | 409 | { |
| 412 | int way_count; | 410 | int way_count; |
