Initial import

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S b/arch/arm/mach-omap1/include/mach/entry-macro.S
new file mode 100644
index 000000000..78a8c6c24
--- /dev/null
+++ b/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
+