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Diffstat (limited to 'arch/arm/mach-at91/include/mach/irqs.h')
-rw-r--r--arch/arm/mach-at91/include/mach/irqs.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/include/mach/irqs.h b/arch/arm/mach-at91/include/mach/irqs.h
new file mode 100644
index 00000000000..bda29ccbcd9
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/irqs.h
@@ -0,0 +1,48 @@
+/*
+ * arch/arm/mach-at91/include/mach/irqs.h
+ *
+ * Copyright (C) 2004 SAN People
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+#include <asm/io.h>
+#include <mach/at91_aic.h>
+
+#define NR_AIC_IRQS 32
+
+
+/*
+ * Acknowledge interrupt with AIC after interrupt has been handled.
+ * (by kernel/irq.c)
+ */
+#define irq_finish(irq) do { at91_sys_write(AT91_AIC_EOICR, 0); } while (0)
+
+
+/*
+ * IRQ interrupt symbols are the AT91xxx_ID_* symbols
+ * for IRQs handled directly through the AIC, or else the AT91_PIN_*
+ * symbols in gpio.h for ones handled indirectly as GPIOs.
+ * We make provision for 5 banks of GPIO.
+ */
+#define NR_IRQS (NR_AIC_IRQS + (5 * 32))
+
+/* FIQ is AIC source 0. */
+#define FIQ_START AT91_ID_FIQ
+
+#endif