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author | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2016-07-17 18:45:46 +0200 |
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committer | Pavel Pisa <pisa@cmp.felk.cvut.cz> | 2016-07-20 16:46:04 +0200 |
commit | bef2b737a2361f4050ed80f30e5087ed5543407f (patch) | |
tree | fff012ea102dce5e6ee5fbf55672935e4a226680 | |
parent | arm/bsps: CP15 and basic cache support entire cache clean for more architectu... (diff) | |
download | rtems-bef2b737a2361f4050ed80f30e5087ed5543407f.tar.bz2 |
arm/raspberrypi: use cache manager operations to flush/invalidate all cache levels.
This fix strange behavior where some stale content has been
stored in level 2 cache before RTEMS has been start from U-boot
which has reappeared after MMU enable and shadow vector
table at start of SDRAM.
-rw-r--r-- | c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c b/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c index 0a90e7aab9..5b14e100ad 100644 --- a/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c +++ b/c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c @@ -48,18 +48,18 @@ void BSP_START_TEXT_SECTION bsp_start_hook_0(void) * If the data cache is on then ensure that it is clean * before switching off to be extra carefull. */ - arm_cp15_drain_write_buffer(); - arm_cp15_data_cache_clean_and_invalidate(); + rtems_cache_flush_entire_data(); + rtems_cache_invalidate_entire_data(); } arm_cp15_flush_prefetch_buffer(); sctlr_val &= ~(ARM_CP15_CTRL_I | ARM_CP15_CTRL_C | ARM_CP15_CTRL_M | ARM_CP15_CTRL_A); arm_cp15_set_control(sctlr_val); - - arm_cp15_tlb_invalidate(); - arm_cp15_flush_prefetch_buffer(); - arm_cp15_data_cache_invalidate(); - arm_cp15_instruction_cache_invalidate(); } + rtems_cache_invalidate_entire_data(); + rtems_cache_invalidate_entire_instruction(); + arm_cp15_branch_predictor_invalidate_all(); + arm_cp15_tlb_invalidate(); + arm_cp15_flush_prefetch_buffer(); /* Clear Translation Table Base Control Register */ arm_cp15_set_translation_table_base_control_register(0); |