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| author | Darius Augulis <augulis.darius@gmail.com> | 2008-11-14 11:01:39 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2008-12-16 14:58:42 +0100 |
| commit | 5032630f398a4e30371dd39fce28778eedcbb5b5 (patch) | |
| tree | 424bafe500d6f60aebac80314fa5e2ecdc9dcfbb /arch | |
| parent | 219fed7558346225bae3cfd8fdbf44876e5bf79f (diff) | |
patch-mx1-mtd-xip
Adds MTD XIP support for ARCH_MX1.
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mtd-xip.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/mtd-xip.h b/arch/arm/plat-mxc/include/mach/mtd-xip.h new file mode 100644 index 00000000000..1ab1bba5688 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/mtd-xip.h @@ -0,0 +1,34 @@ +/* + * 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__ */ |