linux-imx

/* linux/arch/arm/mach-exynos4/mct.c

 *

 * Copyright (c) 2011 Samsung Electronics Co., Ltd.

 *      http://www.samsung.com

 *

 * EXYNOS4 MCT(Multi-Core Timer) support

 *

 * 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 <linux/interrupt.h>

#include <linux/irq.h>

#include <linux/err.h>

#include <linux/clk.h>

#include <linux/clockchips.h>

#include <linux/cpu.h>

#include <linux/delay.h>

#include <linux/percpu.h>

#include <linux/of.h>

#include <linux/of_irq.h>

#include <linux/of_address.h>

#include <linux/clocksource.h>

#include <linux/sched_clock.h>

​

#define EXYNOS4_MCTREG(x)       (x)

#define EXYNOS4_MCT_G_CNT_L     EXYNOS4_MCTREG(0x100)

#define EXYNOS4_MCT_G_CNT_U     EXYNOS4_MCTREG(0x104)

#define EXYNOS4_MCT_G_CNT_WSTAT     EXYNOS4_MCTREG(0x110)

#define EXYNOS4_MCT_G_COMP0_L       EXYNOS4_MCTREG(0x200)

#define EXYNOS4_MCT_G_COMP0_U       EXYNOS4_MCTREG(0x204)

#define EXYNOS4_MCT_G_COMP0_ADD_INCR    EXYNOS4_MCTREG(0x208)

#define EXYNOS4_MCT_G_TCON      EXYNOS4_MCTREG(0x240)

#define EXYNOS4_MCT_G_INT_CSTAT     EXYNOS4_MCTREG(0x244)

#define EXYNOS4_MCT_G_INT_ENB       EXYNOS4_MCTREG(0x248)

#define EXYNOS4_MCT_G_WSTAT     EXYNOS4_MCTREG(0x24C)

#define _EXYNOS4_MCT_L_BASE     EXYNOS4_MCTREG(0x300)

#define EXYNOS4_MCT_L_BASE(x)       (_EXYNOS4_MCT_L_BASE + (0x100 * x))

#define EXYNOS4_MCT_L_MASK      (0xffffff00)

​

#define MCT_L_TCNTB_OFFSET      (0x00)

#define MCT_L_ICNTB_OFFSET      (0x08)

#define MCT_L_TCON_OFFSET       (0x20)

#define MCT_L_INT_CSTAT_OFFSET      (0x30)

#define MCT_L_INT_ENB_OFFSET        (0x34)

#define MCT_L_WSTAT_OFFSET      (0x40)

#define MCT_G_TCON_START        (1 << 8)

#define MCT_G_TCON_COMP0_AUTO_INC   (1 << 1)

#define MCT_G_TCON_COMP0_ENABLE     (1 << 0)

#define MCT_L_TCON_INTERVAL_MODE    (1 << 2)

#define MCT_L_TCON_INT_START        (1 << 1)

#define MCT_L_TCON_TIMER_START      (1 << 0)

​

#define TICK_BASE_CNT   1

​

enum {

    MCT_INT_SPI,

    MCT_INT_PPI

};

​

enum {

    MCT_G0_IRQ,