Commit 5032630f authored by Darius Augulis's avatar Darius Augulis Committed by Sascha Hauer
Browse files

patch-mx1-mtd-xip 



Adds MTD XIP support for ARCH_MX1.

Signed-off-by: default avatarDarius Augulis <augulis.darius@gmail.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 219fed75

arch/arm/plat-mxc/include/mach/mtd-xip.h

0 → 100644
+34 −0
Original line number Diff line number Diff line 
/*

 * MTD primitives for XIP support. Architecture specific functions

 *

 * Do not include this file directly. It's included from linux/mtd/xip.h

 *

 * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.

 *

 * 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.

 *

 */



#include <mach/mxc_timer.h>



#ifndef __ARCH_IMX_MTD_XIP_H__

#define __ARCH_IMX_MTD_XIP_H__



#ifdef CONFIG_ARCH_MX1

/* AITC registers */

#define AITC_BASE	IO_ADDRESS(AVIC_BASE_ADDR)

#define NIPNDH		(AITC_BASE + 0x58)

#define NIPNDL		(AITC_BASE + 0x5C)

#define INTENABLEH	(AITC_BASE + 0x10)

#define INTENABLEL	(AITC_BASE + 0x14)

/* MTD macros */

#define xip_irqpending() ((__raw_readl(INTENABLEH) &  __raw_readl(NIPNDH)) \

			|| (__raw_readl(INTENABLEL) &  __raw_readl(NIPNDL)))

#define xip_currtime()		(__raw_readl(TIMER_BASE + MXC_TCN))

#define xip_elapsed_since(x)	(signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)

#define xip_cpu_idle()		asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))

#endif /* CONFIG_ARCH_MX1 */



#endif /* __ARCH_IMX_MTD_XIP_H__ */