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authorSascha Hauer <sascha@saschahauer.de>2006-06-19 15:27:53 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-19 15:27:53 +0100
commitbb6d8c8828123e01e2ae6c9d9c4870477889fd94 (patch)
tree43d7a6ec2cc15f1bf8810a65aa38d508c7fa955a /include/asm-arm/arch-netx/entry-macro.S
parent3095faf5295f2da9118469c925d2cfb7775ad287 (diff)
[ARM] 3567/2: arm: base support for Hilscher netX
Patch from Sascha Hauer This patch adds the base support for Hilscher's netX network processors. Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-netx/entry-macro.S')
-rw-r--r--include/asm-arm/arch-netx/entry-macro.S35
1 files changed, 35 insertions, 0 deletions
diff --git a/include/asm-arm/arch-netx/entry-macro.S b/include/asm-arm/arch-netx/entry-macro.S
new file mode 100644
index 000000000000..658df4d60ff3
--- /dev/null
+++ b/include/asm-arm/arch-netx/entry-macro.S
@@ -0,0 +1,35 @@
+/*
+ * include/asm-arm/arch-netx/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 <asm/hardware.h>
+
+ .macro disable_fiq
+ .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
+