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-rw-r--r--arch/arm/boot/compressed/big-endian.S14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/boot/compressed/big-endian.S b/arch/arm/boot/compressed/big-endian.S
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * linux/arch/arm/boot/compressed/big-endian.S
+ *
+ * Switch CPU into big endian mode.
+ * Author: Nicolas Pitre
+ */
+
+ .section ".start", "ax"
+
+ mrc p15, 0, r0, c1, c0, 0 @ read control reg
+ orr r0, r0, #(1 << 7) @ enable big endian mode
+ mcr p15, 0, r0, c1, c0, 0 @ write control reg
+