From bef2b737a2361f4050ed80f30e5087ed5543407f Mon Sep 17 00:00:00 2001 From: Pavel Pisa Date: Sun, 17 Jul 2016 18:45:46 +0200 Subject: 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. --- c/src/lib/libbsp/arm/raspberrypi/startup/bspstarthooks.c | 14 +++++++------- 1 file 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); -- cgit v1.2.3