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-rw-r--r--arch/arm/cpu/armv7/kona-common/Makefile1
-rw-r--r--arch/arm/cpu/armv7/kona-common/reset.S26
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/kona-common/Makefile b/arch/arm/cpu/armv7/kona-common/Makefile
index da225cb..5167ebb 100644
--- a/arch/arm/cpu/armv7/kona-common/Makefile
+++ b/arch/arm/cpu/armv7/kona-common/Makefile
@@ -7,3 +7,4 @@
obj-y += s_init.o
obj-y += hwinit-common.o
obj-y += clk-stubs.o
+obj-${CONFIG_KONA_RESET_S} += reset.o
diff --git a/arch/arm/cpu/armv7/kona-common/reset.S b/arch/arm/cpu/armv7/kona-common/reset.S
new file mode 100644
index 0000000..220a1ec
--- /dev/null
+++ b/arch/arm/cpu/armv7/kona-common/reset.S
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2013 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+.globl reset_cpu
+reset_cpu:
+ ldr r1, =0x35001f00
+ ldr r2, [r1]
+ ldr r4, =0x80000000
+ and r4, r2, r4
+ ldr r3, =0xA5A500
+ orr r4, r4, r3
+ orr r4, r4, #0x1
+
+ str r4, [r1]
+
+ ldr r1, =0x35001f04
+ ldr r2, [r1]
+ ldr r4, =0x80000000
+ and r4, r2, r4
+ str r4, [r1]
+
+_loop_forever:
+ b _loop_forever