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-rw-r--r--arch/arm/mach-netx/include/mach/entry-macro.S41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/mach-netx/include/mach/entry-macro.S b/arch/arm/mach-netx/include/mach/entry-macro.S
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+++ b/arch/arm/mach-netx/include/mach/entry-macro.S
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+/*
+ * arch/arm/mach-netx/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Hilscher netX based platforms
+ *
+ * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <mach/hardware.h>
+
+ .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
+ mov \base, #io_p2v(0x00100000)
+ add \base, \base, #0x000ff000
+
+ ldr \irqstat, [\base, #0]
+ clz \irqnr, \irqstat
+ rsb \irqnr, \irqnr, #31
+ cmp \irqstat, #0
+ .endm
+