ARM: imx7d: add low level debug uart support

[deliverable/linux.git] / arch / arm / mach-imx / mxc.h

/*
 * Copyright 2004-2007, 2010 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef __ASM_ARCH_MXC_H__
#define __ASM_ARCH_MXC_H__

#include <linux/types.h>

#ifndef __ASM_ARCH_MXC_HARDWARE_H__
#error "Do not include directly."
#endif

#define MXC_CPU_MX1		1
#define MXC_CPU_MX21		21
#define MXC_CPU_MX25		25
#define MXC_CPU_MX27		27
#define MXC_CPU_MX31		31
#define MXC_CPU_MX35		35
#define MXC_CPU_MX51		51
#define MXC_CPU_MX53		53
#define MXC_CPU_IMX6SL		0x60
#define MXC_CPU_IMX6DL		0x61
#define MXC_CPU_IMX6SX		0x62
#define MXC_CPU_IMX6Q		0x63

#define IMX_DDR_TYPE_LPDDR2		1

#ifndef __ASSEMBLY__
extern unsigned int __mxc_cpu_type;
#endif

#ifdef CONFIG_SOC_IMX1
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX1
# endif
# define cpu_is_mx1()		(mxc_cpu_type == MXC_CPU_MX1)
#else
# define cpu_is_mx1()		(0)
#endif

#ifdef CONFIG_SOC_IMX21
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX21
# endif
# define cpu_is_mx21()		(mxc_cpu_type == MXC_CPU_MX21)
#else
# define cpu_is_mx21()		(0)
#endif

#ifdef CONFIG_SOC_IMX25
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX25
# endif
# define cpu_is_mx25()		(mxc_cpu_type == MXC_CPU_MX25)
#else
# define cpu_is_mx25()		(0)
#endif

#ifdef CONFIG_SOC_IMX27
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX27
# endif
# define cpu_is_mx27()		(mxc_cpu_type == MXC_CPU_MX27)
#else
# define cpu_is_mx27()		(0)
#endif

#ifdef CONFIG_SOC_IMX31
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX31
# endif
# define cpu_is_mx31()		(mxc_cpu_type == MXC_CPU_MX31)
#else
# define cpu_is_mx31()		(0)
#endif

#ifdef CONFIG_SOC_IMX35
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX35
# endif
# define cpu_is_mx35()		(mxc_cpu_type == MXC_CPU_MX35)
#else
# define cpu_is_mx35()		(0)
#endif

#ifdef CONFIG_SOC_IMX51
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX51
# endif
# define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
#else
# define cpu_is_mx51()		(0)
#endif

#ifdef CONFIG_SOC_IMX53
# ifdef mxc_cpu_type
#  undef mxc_cpu_type
#  define mxc_cpu_type __mxc_cpu_type
# else
#  define mxc_cpu_type MXC_CPU_MX53
# endif
# define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
#else
# define cpu_is_mx53()		(0)
#endif

#ifndef __ASSEMBLY__
#ifdef CONFIG_SOC_IMX6SL
static inline bool cpu_is_imx6sl(void)
{
	return __mxc_cpu_type == MXC_CPU_IMX6SL;
}
#else
static inline bool cpu_is_imx6sl(void)
{
	return false;
}
#endif

static inline bool cpu_is_imx6dl(void)
{
	return __mxc_cpu_type == MXC_CPU_IMX6DL;
}

static inline bool cpu_is_imx6sx(void)
{
	return __mxc_cpu_type == MXC_CPU_IMX6SX;
}

static inline bool cpu_is_imx6q(void)
{
	return __mxc_cpu_type == MXC_CPU_IMX6Q;
}

struct cpu_op {
	u32 cpu_rate;
};

int tzic_enable_wake(void);

extern struct cpu_op *(*get_cpu_op)(int *op);
#endif

#define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35())
#define cpu_is_mx2()	(cpu_is_mx21() || cpu_is_mx27())

#endif /*  __ASM_ARCH_MXC_H__ */