aboutsummaryrefslogtreecommitdiff
path: root/include/asm-arm/arch-iop33x/entry-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-iop33x/entry-macro.S')
-rw-r--r--include/asm-arm/arch-iop33x/entry-macro.S34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/asm-arm/arch-iop33x/entry-macro.S b/include/asm-arm/arch-iop33x/entry-macro.S
new file mode 100644
index 00000000000..980ec9b1ac8
--- /dev/null
+++ b/include/asm-arm/arch-iop33x/entry-macro.S
@@ -0,0 +1,34 @@
+/*
+ * include/asm-arm/arch-iop33x/entry-macro.S
+ *
+ * Low-level IRQ helper macros for IOP33x-based 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/irqs.h>
+
+ .macro disable_fiq
+ .endm
+
+ /*
+ * Note: only deal with normal interrupts, not FIQ
+ */
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+ mov \irqnr, #0
+ mrc p6, 0, \irqstat, c4, c0, 0 @ Read IINTSRC0
+ cmp \irqstat, #0
+ bne 1002f
+ mrc p6, 0, \irqstat, c5, c0, 0 @ Read IINTSRC1
+ cmp \irqstat, #0
+ beq 1001f
+ clz \irqnr, \irqstat
+ rsbs \irqnr,\irqnr,#31 @ recommend by RMK
+ add \irqnr,\irqnr,#IRQ_IOP331_XINT8
+ b 1001f
+1002: clz \irqnr, \irqstat
+ rsbs \irqnr,\irqnr,#31 @ recommend by RMK
+ add \irqnr,\irqnr,#IRQ_IOP331_DMA0_EOT
+1001:
+ .endm