Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-mxs / include / mach / entry-macro.S

diff --git a/arch/arm/mach-mxs/include/mach/entry-macro.S b/arch/arm/mach-mxs/include/mach/entry-macro.S
new file mode 100644 (file)
index 0000000..9f0da12
--- /dev/null
+++ b/arch/arm/mach-mxs/include/mach/entry-macro.S
@@ -0,0 +1,41 @@
+/*
+ * Low-level IRQ helper macros for Freescale MXS-based
+ *
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <mach/mxs.h>
+
+#define MXS_ICOLL_VBASE                MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR)
+#define HW_ICOLL_STAT_OFFSET   0x70
+
+       .macro  disable_fiq
+       .endm
+
+       .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+       ldr     \irqnr, [\base, #HW_ICOLL_STAT_OFFSET]
+       cmp     \irqnr, #0x7F
+       strne   \irqnr, [\base]
+       moveqs  \irqnr, #0
+       .endm
+
+       .macro  get_irqnr_preamble, base, tmp
+       ldr     \base, =MXS_ICOLL_VBASE
+       .endm
+
+       .macro  arch_ret_to_user, tmp1, tmp2
+       .endm