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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 17:43:51 +0000
commitbe58c81aff4cd4c0ccf43dbd7998da4a6a08c03b (patch)
tree779c248fb61c83f65d1f0dc867f2053d76b4e03a /plat/socionext/uniphier/uniphier_smp.S
parentInitial commit. (diff)
downloadarm-trusted-firmware-upstream.tar.xz
arm-trusted-firmware-upstream.zip
Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plat/socionext/uniphier/uniphier_smp.S')
-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
index 0000000..d6cb9ff
--- /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