diff options
Diffstat (limited to 'src/arch/arm64/cpu/cortex_a57.S')
-rw-r--r-- | src/arch/arm64/cpu/cortex_a57.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/arch/arm64/cpu/cortex_a57.S b/src/arch/arm64/cpu/cortex_a57.S new file mode 100644 index 0000000000..5039d1c59e --- /dev/null +++ b/src/arch/arm64/cpu/cortex_a57.S @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/asm.h> +#include "cortex_a57.h" + +ENTRY(arm64_cpu_early_setup) + mrs x0, CPUECTLR_EL1 + orr x0, x0, #(1 << SMPEN_SHIFT) + msr CPUECTLR_EL1, x0 + isb + ret +ENDPROC(arm64_cpu_early_setup) |