Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

1 files changed, 39 insertions, 0 deletions

diff --git a/include/asm-arm/arch-mv78xx0/entry-macro.S b/include/asm-arm/arch-mv78xx0/entry-macro.S
new file mode 100644
index 000000000000..e9a606b12669
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * include/asm-arm/arch-mv78xx0/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Marvell MV78xx0 platforms
+ *
+ * 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 <asm/arch/mv78xx0.h>
+
+        .macro  disable_fiq
+        .endm
+
+        .macro  arch_ret_to_user, tmp1, tmp2
+        .endm
+
+        .macro  get_irqnr_preamble, base, tmp
+        ldr     \base, =IRQ_VIRT_BASE
+        .endm
+
+        .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+        @ check low interrupts
+        ldr     \irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
+        ldr     \tmp, [\base, #IRQ_MASK_LOW_OFF]
+        mov     \irqnr, #31
+        ands    \irqstat, \irqstat, \tmp
+
+        @ if no low interrupts set, check high interrupts
+        ldreq   \irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
+        ldreq   \tmp, [\base, #IRQ_MASK_HIGH_OFF]
+        moveq   \irqnr, #63
+        andeqs  \irqstat, \irqstat, \tmp
+
+        @ find first active interrupt source
+        clzne   \irqstat, \irqstat
+        subne   \irqnr, \irqnr, \irqstat
+        .endm