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-rw-r--r--plat/socionext/uniphier/uniphier_smp.S29
1 files changed, 29 insertions, 0 deletions
diff --git a/plat/socionext/uniphier/uniphier_smp.S b/plat/socionext/uniphier/uniphier_smp.S
new file mode 100644
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--- /dev/null
+++ b/plat/socionext/uniphier/uniphier_smp.S
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+ .globl uniphier_warmboot_entrypoint
+ .globl uniphier_fake_pwr_down
+
+func uniphier_warmboot_entrypoint
+ mrs x0, mpidr_el1
+ mov_imm x1, MPIDR_AFFINITY_MASK
+ and x0, x0, x1
+ b 1f
+0: wfe
+1: ldr x1, uniphier_holding_pen_release
+ cmp x1, x0
+ b.ne 0b
+ ldr x0, uniphier_sec_entrypoint
+ br x0
+endfunc uniphier_warmboot_entrypoint
+
+func uniphier_fake_pwr_down
+ bl disable_mmu_icache_el3
+ b uniphier_warmboot_entrypoint
+endfunc uniphier_fake_pwr_down