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Diffstat (limited to 'arch/arm/mach-socfpga/board.c')
-rw-r--r--arch/arm/mach-socfpga/board.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/mach-socfpga/board.c b/arch/arm/mach-socfpga/board.c
index 26d84be6e9..e8c7503fba 100644
--- a/arch/arm/mach-socfpga/board.c
+++ b/arch/arm/mach-socfpga/board.c
@@ -21,12 +21,14 @@ DECLARE_GLOBAL_DATA_PTR;
void s_init(void) {
#ifndef CONFIG_ARM64
/*
- * Preconfigure ACTLR, make sure Write Full Line of Zeroes is disabled.
+ * Preconfigure ACTLR and CPACR, make sure Write Full Line of Zeroes
+ * is disabled in ACTLR.
* This is optional on CycloneV / ArriaV.
* This is mandatory on Arria10, otherwise Linux refuses to boot.
*/
asm volatile(
"mcr p15, 0, %0, c1, c0, 1\n"
+ "mcr p15, 0, %0, c1, c0, 2\n"
"isb\n"
"dsb\n"
::"r"(0x0));