ARM: Add Gemini architecture v3

[pandora-kernel.git] / arch / arm / mach-gemini / include / mach / entry-macro.S

diff --git a/arch/arm/mach-gemini/include/mach/entry-macro.S b/arch/arm/mach-gemini/include/mach/entry-macro.S
new file mode 100644 (file)
index 0000000..1624f91
--- /dev/null
+++ b/arch/arm/mach-gemini/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * Low-level IRQ helper macros for Gemini platform.
+ *
+ *  Copyright (C) 2001-2006 Storlink, Corp.
+ *  Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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>
+
+#define IRQ_STATUS     0x14
+
+       .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
+       ldr     \irqstat, =IO_ADDRESS(GEMINI_INTERRUPT_BASE + IRQ_STATUS)
+       ldr     \irqnr, [\irqstat]
+       cmp     \irqnr, #0
+       beq     2313f
+       mov     \tmp, \irqnr
+       mov     \irqnr, #0
+2312:
+       tst     \tmp, #1
+       bne     2313f
+       add     \irqnr, \irqnr, #1
+       mov     \tmp, \tmp, lsr #1
+       cmp     \irqnr, #31
+       bcc     2312b
+2313:
+       .endm