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-vt8500/include/mach/entry-macro.S     | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/arm/mach-vt8500/include/mach/entry-macro.S

(limited to 'ANDROID_3.4.5/arch/arm/mach-vt8500/include/mach/entry-macro.S')

diff --git a/ANDROID_3.4.5/arch/arm/mach-vt8500/include/mach/entry-macro.S b/ANDROID_3.4.5/arch/arm/mach-vt8500/include/mach/entry-macro.S
new file mode 100644
index 00000000..367d1b55
--- /dev/null
+++ b/ANDROID_3.4.5/arch/arm/mach-vt8500/include/mach/entry-macro.S
@@ -0,0 +1,26 @@
+/*
+ * arch/arm/mach-vt8500/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for VIA VT8500
+ *
+ * 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.
+ */
+
+	.macro  get_irqnr_preamble, base, tmp
+	@ physical 0xd8140000 is virtual 0xf8140000
+	mov	\base, #0xf8000000
+	orr	\base, \base, #0x00140000
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+	ldr	\irqnr, [\base]
+	cmp	\irqnr, #63 @ may be false positive, check interrupt status
+	bne	1001f
+	ldr	\irqstat, [\base, #0x84]
+	ands	\irqstat, #0x80000000
+	moveq	\irqnr, #0
+1001:
+	.endm
+
-- 
cgit