From dcd468b8f43c5077c42c75b15cf3204e6b6be46c Mon Sep 17 00:00:00 2001 From: York Sun Date: Tue, 6 Jan 2015 13:18:42 -0800 Subject: armv8/fsl-lsch3: Convert flushing L3 to assembly to avoid using stack Flushing L3 cache in CCN-504 requries d-cache to be disabled. Using assembly function to guarantee stack is not used before flushing is completed. Timeout is needed for simualtor on which CCN-504 is not implemented. Return value can be checked for timeout situation. Change bootm.c to disable dcache instead of simply flushing, required by flushing L3. Signed-off-by: York Sun --- arch/arm/include/asm/system.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/include/asm/system.h') diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 7820486df0..2a5bed2e46 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -70,6 +70,7 @@ void __asm_invalidate_dcache_all(void); void __asm_flush_dcache_range(u64 start, u64 end); void __asm_invalidate_tlb_all(void); void __asm_invalidate_icache_all(void); +int __asm_flush_l3_cache(void); void armv8_switch_to_el2(void); void armv8_switch_to_el1(void); -- cgit v1.2.1