Darius Augulis | 5032630 | 2008-11-14 11:01:39 +0100 | [diff] [blame] | 1 | /* |
| 2 | * MTD primitives for XIP support. Architecture specific functions |
| 3 | * |
| 4 | * Do not include this file directly. It's included from linux/mtd/xip.h |
| 5 | * |
| 6 | * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #include <mach/mxc_timer.h> |
| 15 | |
| 16 | #ifndef __ARCH_IMX_MTD_XIP_H__ |
| 17 | #define __ARCH_IMX_MTD_XIP_H__ |
| 18 | |
| 19 | #ifdef CONFIG_ARCH_MX1 |
| 20 | /* AITC registers */ |
| 21 | #define AITC_BASE IO_ADDRESS(AVIC_BASE_ADDR) |
| 22 | #define NIPNDH (AITC_BASE + 0x58) |
| 23 | #define NIPNDL (AITC_BASE + 0x5C) |
| 24 | #define INTENABLEH (AITC_BASE + 0x10) |
| 25 | #define INTENABLEL (AITC_BASE + 0x14) |
| 26 | /* MTD macros */ |
| 27 | #define xip_irqpending() ((__raw_readl(INTENABLEH) & __raw_readl(NIPNDH)) \ |
| 28 | || (__raw_readl(INTENABLEL) & __raw_readl(NIPNDL))) |
| 29 | #define xip_currtime() (__raw_readl(TIMER_BASE + MXC_TCN)) |
| 30 | #define xip_elapsed_since(x) (signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96) |
| 31 | #define xip_cpu_idle() asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0)) |
| 32 | #endif /* CONFIG_ARCH_MX1 */ |
| 33 | |
| 34 | #endif /* __ARCH_IMX_MTD_XIP_H__ */ |