[ARM] 4461/1: MXC platform and i.MX31ADS core support

This patch adds the foundation pieces for
the Freescale MXC platforms, including
i.MX2 and i.MX3 based systems.

The bare-bones MX31 support in this patch
boots to the rootdev panic with 8250 serial
console configured "console=ttyS0,115200".
It assumes that Redboot is the boot loader.

Signed-off-by: Quinn Jensen <quinn.jensen@freescale.com>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 38 insertions, 0 deletions

diff --git a/include/asm-arm/arch-mxc/irqs.h b/include/asm-arm/arch-mxc/irqs.h
new file mode 100644
index 000000000000..e4686c6bc4bf
--- /dev/null
+++ b/include/asm-arm/arch-mxc/irqs.h
@@ -0,0 +1,38 @@
+/*
+ *  Copyright 2004-2007 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 version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_MXC_IRQS_H__
+#define __ASM_ARCH_MXC_IRQS_H__
+
+#include <asm/hardware.h>
+
+/*!
+ * @file irqs.h
+ * @brief This file defines the number of normal interrupts and fast interrupts
+ *
+ * @ingroup Interrupt
+ */
+
+#define MXC_IRQ_TO_EXPIO(irq)   ((irq) - MXC_EXP_IO_BASE)
+
+#define MXC_IRQ_TO_GPIO(irq)    ((irq) - MXC_GPIO_INT_BASE)
+#define MXC_GPIO_TO_IRQ(x)      (MXC_GPIO_INT_BASE + x)
+
+/*!
+ * Number of normal interrupts
+ */
+#define NR_IRQS         MXC_MAX_INTS
+
+/*!
+ * Number of fast interrupts
+ */
+#define NR_FIQS         MXC_MAX_INTS
+
+#endif                          /* __ASM_ARCH_MXC_IRQS_H__ */