summaryrefslogtreecommitdiffstats
path: root/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/arch/arm/mach-omap1/include/mach/entry-macro.S')
-rw-r--r--kernel/arch/arm/mach-omap1/include/mach/entry-macro.S39
1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
new file mode 100644
index 000000000..78a8c6c24
--- /dev/null
+++ b/kernel/arch/arm/mach-omap1/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * arch/arm/mach-omap1/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for OMAP-based platforms
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * 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>
+#include <mach/irqs.h>
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ ldr \base, =OMAP1_IO_ADDRESS(OMAP_IH1_BASE)
+ ldr \irqnr, [\base, #IRQ_ITR_REG_OFFSET]
+ ldr \tmp, [\base, #IRQ_MIR_REG_OFFSET]
+ mov \irqstat, #0xffffffff
+ bic \tmp, \irqstat, \tmp
+ tst \irqnr, \tmp
+ beq 1510f
+
+ ldr \irqnr, [\base, #IRQ_SIR_FIQ_REG_OFFSET]
+ ldr \tmp, =omap_irq_flags @ irq flags address
+ ldr \tmp, [\tmp, #0] @ irq flags value
+ cmp \irqnr, #0
+ ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+ cmpeq \irqnr, \tmp
+ ldreq \base, =OMAP1_IO_ADDRESS(OMAP_IH2_BASE)
+ ldreq \irqnr, [\base, #IRQ_SIR_IRQ_REG_OFFSET]
+ addeqs \irqnr, \irqnr, #32
+1510:
+ .endm
+