ARM: Add ARMv7-M support
Signed-off-by: Kamil Lulko <rev13@wp.pl>
diff --git a/arch/arm/cpu/armv7m/cpu.c b/arch/arm/cpu/armv7m/cpu.c
new file mode 100644
index 0000000..d3ab862
--- /dev/null
+++ b/arch/arm/cpu/armv7m/cpu.c
@@ -0,0 +1,35 @@
+/*
+ * (C) Copyright 2010,2011
+ * Vladimir Khusainov, Emcraft Systems, vlad@emcraft.com
+ *
+ * (C) Copyright 2015
+ * Kamil Lulko, <rev13@wp.pl>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/armv7m.h>
+
+/*
+ * This is called right before passing control to
+ * the Linux kernel point.
+ */
+int cleanup_before_linux(void)
+{
+ return 0;
+}
+
+/*
+ * Perform the low-level reset.
+ */
+void reset_cpu(ulong addr)
+{
+ /*
+ * Perform reset but keep priority group unchanged.
+ */
+ writel((V7M_AIRCR_VECTKEY << V7M_AIRCR_VECTKEY_SHIFT)
+ | (V7M_SCB->aircr & V7M_AIRCR_PRIGROUP_MSK)
+ | V7M_AIRCR_SYSRESET, &V7M_SCB->aircr);
+}