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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/arm/mach-imx/headsmp.S
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-imx/headsmp.S')
-rw-r--r--arch/arm/mach-imx/headsmp.S26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/headsmp.S b/arch/arm/mach-imx/headsmp.S
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ */
+
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+
+diag_reg_offset:
+ .word g_diag_reg - .
+
+ .macro set_diag_reg
+ adr r0, diag_reg_offset
+ ldr r1, [r0]
+ add r1, r1, r0 @ r1 = physical &g_diag_reg
+ ldr r0, [r1]
+ mcr p15, 0, r0, c15, c0, 1 @ write diagnostic register
+ .endm
+
+ENTRY(v7_secondary_startup)
+ARM_BE8(setend be) @ go BE8 if entered LE
+ set_diag_reg
+ b secondary_startup
+ENDPROC(v7_secondary_startup)