summaryrefslogtreecommitdiffstats
path: root/include/asm-arm/arch-pxa/entry-macro.S
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-arm/arch-pxa/entry-macro.S')
-rw-r--r--include/asm-arm/arch-pxa/entry-macro.S31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/entry-macro.S b/include/asm-arm/arch-pxa/entry-macro.S
new file mode 100644
index 00000000000..2abfc8bb3ee
--- /dev/null
+++ b/include/asm-arm/arch-pxa/entry-macro.S
@@ -0,0 +1,31 @@
+/*
+ * include/asm-arm/arch-pxa/entry-macro.S
+ *
+ * Low-level IRQ helper macros for PXA-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.
+ */
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+#ifdef CONFIG_PXA27x
+ mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
+ mrc p6, 0, \irqnr, c1, c0, 0 @ ICMR
+#else
+ mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
+ add \base, \base, #0x00d00000
+ ldr \irqstat, [\base, #0] @ ICIP
+ ldr \irqnr, [\base, #4] @ ICMR
+#endif
+ ands \irqnr, \irqstat, \irqnr
+ beq 1001f
+ rsb \irqstat, \irqnr, #0
+ and \irqstat, \irqstat, \irqnr
+ clz \irqnr, \irqstat
+ rsb \irqnr, \irqnr, #(31 - PXA_IRQ_SKIP)
+1001:
+ .endm