summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-l7200/include/mach/entry-macro.S
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-09-24 09:56:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-24 09:56:20 +0200
commitebdd90a8cb2e3963f55499850f02ce6003558b55 (patch)
treed153f917ed41d257ddafa22f9cc2201bfddf8f9c /arch/arm/mach-l7200/include/mach/entry-macro.S
parent3c9339049df5cc3a468c11de6c4101a1ea8c3d83 (diff)
parent72d31053f62c4bc464c2783974926969614a8649 (diff)
Merge commit 'v2.6.27-rc7' into x86/pebs
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
new file mode 100644
index 00000000000..1726d91fc1d
--- /dev/null
+++ 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
+