diff options
| author | Vikram Pandita <vikram.pandita@ti.com> | 2011-05-31 09:24:58 +0100 |
|---|---|---|
| committer | Andy Green <andy.green@linaro.org> | 2011-05-31 11:06:29 +0100 |
| commit | e2cc08a6988ecc3ea0a16d46bafd4646f38bbf5b (patch) | |
| tree | df48c7d3d9e96053232372ec85679116b329b428 /arch | |
| parent | cf6dc3eb7a88f5c8170b28defd272ffd9083c6f5 (diff) | |
ARM: L2: Add and export outer_clean_all
The Errata 588369 and 539766 demands that clean all operation be done
as clean each way at a time
This patch also raps the implementation under the CONFIG errata
macro so that for non-errata version silicon it can be disabled
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Woodruff, Richard <r-woodruff2@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/outercache.h | 8 | ||||
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h index d8387437ec5..fa8cbd80a3d 100644 --- a/arch/arm/include/asm/outercache.h +++ b/arch/arm/include/asm/outercache.h @@ -28,6 +28,7 @@ struct outer_cache_fns { void (*clean_range)(unsigned long, unsigned long); void (*flush_range)(unsigned long, unsigned long); void (*flush_all)(void); + void (*clean_all)(void); void (*inv_all)(void); void (*disable)(void); #ifdef CONFIG_OUTER_CACHE_SYNC @@ -61,6 +62,11 @@ static inline void outer_flush_all(void) if (outer_cache.flush_all) outer_cache.flush_all(); } +static inline void outer_clean_all(void) +{ + if (outer_cache.clean_all) + outer_cache.clean_all(); +} static inline void outer_inv_all(void) { @@ -97,6 +103,8 @@ static inline void outer_sync(void) #else static inline void outer_sync(void) { } +static inline void outer_clean_all(void) +{ } #endif #endif /* __ASM_OUTERCACHE_H */ diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index ae251209b8f..37664d60b5f 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -345,6 +345,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) outer_cache.inv_all = l2x0_inv_all; outer_cache.disable = l2x0_disable; outer_cache.set_debug = l2x0_set_debug; + outer_cache.clean_all = l2x0_clean_all; printk(KERN_INFO "%s cache controller enabled\n", type); printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n", |