mirror of https://gitee.com/openkylin/linux.git
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*
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* MTD primitives for XIP support. Architecture specific functions
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*
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* Do not include this file directly. It's included from linux/mtd/xip.h
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*
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* Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#include <mach/mxc_timer.h>
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#ifndef __ARCH_IMX_MTD_XIP_H__
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#define __ARCH_IMX_MTD_XIP_H__
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#ifdef CONFIG_ARCH_MX1
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/* AITC registers */
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#define AITC_BASE IO_ADDRESS(AVIC_BASE_ADDR)
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#define NIPNDH (AITC_BASE + 0x58)
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#define NIPNDL (AITC_BASE + 0x5C)
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#define INTENABLEH (AITC_BASE + 0x10)
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#define INTENABLEL (AITC_BASE + 0x14)
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/* MTD macros */
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#define xip_irqpending() ((__raw_readl(INTENABLEH) & __raw_readl(NIPNDH)) \
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|| (__raw_readl(INTENABLEL) & __raw_readl(NIPNDL)))
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#define xip_currtime() (__raw_readl(TIMER_BASE + MXC_TCN))
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#define xip_elapsed_since(x) (signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)
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#define xip_cpu_idle() asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))
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#endif /* CONFIG_ARCH_MX1 */
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#endif /* __ARCH_IMX_MTD_XIP_H__ */
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