From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 .../arm/mach-ixp23xx/include/mach/entry-macro.S    | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S

(limited to 'ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S')

diff --git a/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S b/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S
new file mode 100644
index 00000000..3fd2cb98
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-ixp23xx/include/mach/entry-macro.S
@@ -0,0 +1,31 @@
+/*
+ * arch/arm/mach-ixp23xx/include/mach/entry-macro.S
+ */
+
+		.macro  get_irqnr_preamble, base, tmp
+		.endm
+
+		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr	\irqnr, =(IXP23XX_INTC_VIRT + IXP23XX_INTR_IRQ_ENC_ST_OFFSET)
+		ldr	\irqnr, [\irqnr]	@ get interrupt number
+		cmp	\irqnr, #0x0		@ spurious interrupt ?
+		movne	\irqnr, \irqnr, lsr #2	@ skip unwanted low order bits
+		subne	\irqnr, \irqnr, #1	@ convert to 0 based
+
+#if 0
+		cmp	\irqnr, #IRQ_IXP23XX_PCI_INT_RPH
+		bne	1001f
+		mov	\irqnr, #IRQ_IXP23XX_INTA
+
+		ldr	\irqnr, =0xf5000030
+
+		mov	\tmp, #(1<<26)
+		tst	\irqnr, \tmp
+		movne	\irqnr, #IRQ_IXP23XX_INTB
+
+		mov	\tmp, #(1<<27)
+		tst	\irqnr, \tmp
+		movne	\irqnr, #IRQ_IXP23XX_INTA
+1001:
+#endif
+		.endm
-- 
cgit