[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, 36 insertions, 0 deletions

diff --git a/include/asm-arm/arch-mxc/memory.h b/include/asm-arm/arch-mxc/memory.h
new file mode 100644
index 00000000000..c89aac83a40
--- /dev/null
+++ b/include/asm-arm/arch-mxc/memory.h
@@ -0,0 +1,36 @@
+/*
+ * 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_MEMORY_H__
+#define __ASM_ARCH_MXC_MEMORY_H__
+
+#include <asm/hardware.h>
+
+/*!
+ * @file memory.h
+ * @brief This file contains macros needed by the Linux kernel and drivers.
+ *
+ * @ingroup Memory
+ */
+
+/*!
+ * Virtual view <-> DMA view memory address translations
+ * This macro is used to translate the virtual address to an address
+ * suitable to be passed to set_dma_addr()
+ */
+#define __virt_to_bus(a)	__virt_to_phys(a)
+
+/*!
+ * Used to convert an address for DMA operations to an address that the
+ * kernel can use.
+ */
+#define __bus_to_virt(a)	__phys_to_virt(a)
+
+#endif				/* __ASM_ARCH_MXC_MEMORY_H__ */