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bsp/arm: Remove arm erratum 764369 from L2 cache

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Arm erratum 764369 only applies to the level 1 cache.
This commit is contained in:
Ralf Kirchner
2014-04-17 10:30:54 +02:00
committed by Sebastian Huber
parent 9ee2ec56b5
commit cbd9e634ee
1 changed files with 0 additions and 14 deletions
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14
c/src/lib/libbsp/arm/shared/arm-l2c-310/cache_.h
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@@ -898,16 +898,6 @@ static bool l2c_310_cache_errata_is_applicable_754670(
} }
#endif /* CACHE_ERRATA_CHECKS_FOR_IMPLEMENTED_ERRATAS */ #endif /* CACHE_ERRATA_CHECKS_FOR_IMPLEMENTED_ERRATAS */
/* Errata Handlers */
#if ( defined( RTEMS_SMP ) )
#define CACHE_ARM_ERRATA_764369_HANDLER() \
if( arm_errata_is_applicable_processor_errata_764369() ) { \
_ARM_Data_synchronization_barrier(); \
}
#else /* #if ( defined( RTEMS_SMP ) ) */
#define CACHE_ARM_ERRATA_764369_HANDLER()
#endif /* #if ( defined( RTEMS_SMP ) ) */
/* The common workaround for this erratum would be to add a /* The common workaround for this erratum would be to add a
* data synchronization barrier to the beginning of the abort handler. * data synchronization barrier to the beginning of the abort handler.
* But for RTEMS a call of the abort handler means a fatal condition anyway. * But for RTEMS a call of the abort handler means a fatal condition anyway.
@@ -1074,8 +1064,6 @@ cache_l2c_310_flush_range( const void *addr, size_t n_bytes )
( (uint32_t) addr + n_bytes - 1 ) & ~CACHE_L2C_310_DATA_LINE_MASK; ( (uint32_t) addr + n_bytes - 1 ) & ~CACHE_L2C_310_DATA_LINE_MASK;
volatile L2CC *l2cc = (volatile L2CC *) BSP_ARM_L2CC_BASE; volatile L2CC *l2cc = (volatile L2CC *) BSP_ARM_L2CC_BASE;
CACHE_ARM_ERRATA_764369_HANDLER();
for (; adx <= ADDR_LAST; adx += CPU_DATA_CACHE_ALIGNMENT ) { for (; adx <= ADDR_LAST; adx += CPU_DATA_CACHE_ALIGNMENT ) {
l2cc->clean_pa = adx; l2cc->clean_pa = adx;
} }
@@ -1405,7 +1393,6 @@ _CPU_cache_invalidate_data_range(
) )
{ {
if ( n_bytes > 0 ) { if ( n_bytes > 0 ) {
CACHE_ARM_ERRATA_764369_HANDLER();
cache_l2c_310_invalidate_range( cache_l2c_310_invalidate_range(
addr_first, addr_first,
@@ -1470,7 +1457,6 @@ _CPU_cache_invalidate_instruction_range(
) )
{ {
if ( n_bytes != 0 ) { if ( n_bytes != 0 ) {
CACHE_ARM_ERRATA_764369_HANDLER();
/* Invalidate L2 cache lines */ /* Invalidate L2 cache lines */
cache_l2c_310_invalidate_range( cache_l2c_310_invalidate_range(