armv7R: K3: am654: Enable MPU regions

Enable MPU regions for AM654 evm:
- Region0: 0x00000000 - 0xFFFFFFFF: Device memory, not executable
- Region1: 0x41c00000 - 0x42400000: Normal, executable, WB, Write alloc
- Region2: 0x80000000 - 0xFFFFFFFF: Normal, executable, WB, Write alloc
- region3-15: Disabled

With this dcache can be enabled either in SPL or U-Boot.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/arm/mach-k3/common.h b/arch/arm/mach-k3/common.h
new file mode 100644
index 00000000000..ac7e80d9af2
--- /dev/null
+++ b/arch/arm/mach-k3/common.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: Architecture common definitions
+ *
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#include <asm/armv7_mpu.h>
+
+void setup_k3_mpu_regions(void);