[U-Boot] [PATCH 17/28] armv8/fsl-lsch3: Enable system error aborts

York Sun
2015-03-19T16:45:48Z

From: Scott Wood <scottwood@freescale.com>

This lets us see the problems (close to) when they happen,
rather than Linux hanging when it enables them prior to having a
working console.

Signed-off-by: Scott Wood <scottwood@freescale.com>
---
arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
index 07064a3..22b5fb2 100644
--- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c
@@ -263,6 +263,10 @@ int arch_cpu_init(void)
__asm_invalidate_tlb_all();
early_mmu_setup();
set_sctlr(get_sctlr() | CR_C);
+
+ /* Enable system error aborts */
+ asm volatile("msr daifclr, #4" : : : "memory");
+
return 0;
}

--
1.7.9.5