aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-integrator/headsmp.S
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-06-19 09:52:07 +0100
committerRussell King <rmk@dyn-67.arm.linux.org.uk>2005-06-19 09:52:07 +0100
commitfe6ef2daa29df8fef1a95446faccd18ab163993e (patch)
tree98806123cf57dee96c3ec877eb55128bdc78ed60 /arch/arm/mach-integrator/headsmp.S
parent20cf33ea16253b9eed387cba022cb014563db40e (diff)
[PATCH] ARM SMP: Add missed files from Integrator/CP platform
Add missed new files from basic SMP support for the Integrator/CP platform. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-integrator/headsmp.S')
-rw-r--r--arch/arm/mach-integrator/headsmp.S37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/headsmp.S b/arch/arm/mach-integrator/headsmp.S
new file mode 100644
index 00000000000..ceaa88e30d7
--- /dev/null
+++ b/arch/arm/mach-integrator/headsmp.S
@@ -0,0 +1,37 @@
+/*
+ * linux/arch/arm/mach-integrator/headsmp.S
+ *
+ * Copyright (c) 2003 ARM Limited
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+
+ __INIT
+
+/*
+ * Integrator specific entry point for secondary CPUs. This provides
+ * a "holding pen" into which all secondary cores are held until we're
+ * ready for them to initialise.
+ */
+ENTRY(integrator_secondary_startup)
+ adr r4, 1f
+ ldmia r4, {r5, r6}
+ sub r4, r4, r5
+ ldr r6, [r6, r4]
+pen: ldr r7, [r6]
+ cmp r7, r0
+ bne pen
+
+ /*
+ * we've been released from the holding pen: secondary_stack
+ * should now contain the SVC stack for this core
+ */
+ b secondary_startup
+
+1: .long .
+ .long phys_pen_release