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authorBen Dooks <ben-linux@fluff.org>2008-08-08 21:10:12 +0100
committerBen Dooks <ben-linux@fluff.org>2008-08-08 21:10:12 +0100
commitaf7a535688a758d15f06a98833e6a143b29af9de (patch)
treebac5ab210bbbbe276f0e44ed84194d7c8bb16aae /arch/arm/mach-l7200/include/mach/entry-macro.S
parent0c17e4ceedd35c78b1c7413dbd16279a350be6bc (diff)
parentc41107c2d4fd31924533f4dbc4c3428acc2b5894 (diff)
downloadlinux-af7a535688a758d15f06a98833e6a143b29af9de.tar.bz2
Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk
Diffstat (limited to 'arch/arm/mach-l7200/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-l7200/include/mach/entry-macro.S35
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-l7200/include/mach/entry-macro.S b/arch/arm/mach-l7200/include/mach/entry-macro.S
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index 000000000000..1726d91fc1d3
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+++ b/arch/arm/mach-l7200/include/mach/entry-macro.S
@@ -0,0 +1,35 @@
+/*
+ * arch/arm/mach-l7200/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for L7200-based platforms
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#include <mach/hardware.h>
+
+ .equ irq_base_addr, IO_BASE_2
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mov \irqstat, #irq_base_addr @ Virt addr IRQ regs
+ add \irqstat, \irqstat, #0x00001000 @ Status reg
+ ldr \irqstat, [\irqstat, #0] @ get interrupts
+ mov \irqnr, #0
+1001: tst \irqstat, #1
+ addeq \irqnr, \irqnr, #1
+ moveq \irqstat, \irqstat, lsr #1
+ tsteq \irqnr, #32
+ beq 1001b
+ teq \irqnr, #32
+ .endm
+