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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-03-03 02:40:15 +0300
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-03 02:40:15 +0300
commit882d01f96bc1909455696aae6eb7ce4df3e908c8 (patch)
tree06e5789cb33d0547c2497fd4d0327dc9e8614d37 /arch/arm/mach-s5p6442/include/mach/entry-macro.S
parent64ed28a87a0c075e91c1c5b0fe7d225a6cc6ae39 (diff)
parentd608c738bb8fb37e5fbfcdef9c566764f2fea086 (diff)
downloadlinux-882d01f96bc1909455696aae6eb7ce4df3e908c8.tar.xz
Merge branch 'for-rmk/samsung5' of git://git.fluff.org/bjdooks/linux into devel-stable
Conflicts: arch/arm/Kconfig arch/arm/Makefile
Diffstat (limited to 'arch/arm/mach-s5p6442/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-s5p6442/include/mach/entry-macro.S48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6442/include/mach/entry-macro.S b/arch/arm/mach-s5p6442/include/mach/entry-macro.S
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@@ -0,0 +1,48 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Low-level IRQ helper macros for the Samsung S5P6442
+ *
+ * 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 <asm/hardware/vic.h>
+#include <mach/map.h>
+#include <plat/irqs.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =VA_VIC0
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ @ check the vic0
+ mov \irqnr, # S5P_IRQ_OFFSET + 31
+ ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
+ teq \irqstat, #0
+
+ @ otherwise try vic1
+ addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
+ addeq \irqnr, \irqnr, #32
+ ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+ teqeq \irqstat, #0
+
+ @ otherwise try vic2
+ addeq \tmp, \base, #(VA_VIC2 - VA_VIC0)
+ addeq \irqnr, \irqnr, #32
+ ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+ teqeq \irqstat, #0
+
+ clzne \irqstat, \irqstat
+ subne \irqnr, \irqnr, \irqstat
+ .endm