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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 16:14:15 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 09:55:48 +0100
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-ixp4xx/include/mach/entry-macro.S
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp4xx/include/mach/entry-macro.S')
-rw-r--r--arch/arm/mach-ixp4xx/include/mach/entry-macro.S47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/include/mach/entry-macro.S b/arch/arm/mach-ixp4xx/include/mach/entry-macro.S
new file mode 100644
index 00000000000..f2e14e94ed1
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/include/mach/entry-macro.S
@@ -0,0 +1,47 @@
+/*
+ * arch/arm/mach-ixp4xx/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for IXP4xx-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>
+
+ .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
+ ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET)
+ ldr \irqstat, [\irqstat] @ get interrupts
+ cmp \irqstat, #0
+ beq 1001f @ upper IRQ?
+ clz \irqnr, \irqstat
+ mov \base, #31
+ sub \irqnr, \base, \irqnr
+ b 1002f @ lower IRQ being
+ @ handled
+
+1001:
+ /*
+ * IXP465/IXP435 has an upper IRQ status register
+ */
+#if defined(CONFIG_CPU_IXP46X) || defined(CONFIG_CPU_IXP43X)
+ ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET)
+ ldr \irqstat, [\irqstat] @ get upper interrupts
+ mov \irqnr, #63
+ clz \irqstat, \irqstat
+ cmp \irqstat, #32
+ subne \irqnr, \irqnr, \irqstat
+#endif
+1002:
+ .endm
+
+