[ARM] 5461/1: Freescale STMP platform support

[safe/jmp/linux-2.6] / arch / arm / mach-stmp37xx / include / mach / entry-macro.S

diff --git a/arch/arm/mach-stmp37xx/include/mach/entry-macro.S b/arch/arm/mach-stmp37xx/include/mach/entry-macro.S
new file mode 100644 (file)
index 0000000..fed2787
--- /dev/null
+++ b/arch/arm/mach-stmp37xx/include/mach/entry-macro.S
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+/*
+ * Low-level IRQ helper macros for Freescale STMP37XX
+ *
+ * Embedded Alley Solutions, Inc <source@embeddedalley.com>
+ *
+ * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+               .macro  disable_fiq
+               .endm
+
+               .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+               mov     \base, #0xf0000000      @ vm address of IRQ controller
+               ldr     \irqnr, [\base, #0x30]  @ HW_ICOLL_STAT
+               cmp     \irqnr, #0x3f
+               movne   \irqstat, #0            @ Ack this IRQ
+               strne   \irqstat, [\base, #0x00]@ HW_ICOLL_VECTOR
+               moveqs  \irqnr, #0              @ Zero flag set for no IRQ
+
+               .endm
+
+                .macro  get_irqnr_preamble, base, tmp
+                .endm
+
+                .macro  arch_ret_to_user, tmp1, tmp2
+                .endm