[deliverable/linux.git] / arch / arm / mach-omap2 / soc.h

/*
 * OMAP cpu type detection
 *
 * Copyright (C) 2004, 2008 Nokia Corporation
 *
 * Copyright (C) 2009-11 Texas Instruments.
 *
 * Written by Tony Lindgren <tony.lindgren@nokia.com>
 *
 * Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
 * Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#include "omap24xx.h"
#include "omap34xx.h"
#include "omap44xx.h"
#include "ti81xx.h"
#include "am33xx.h"
#include "omap54xx.h"

#ifndef __ASSEMBLY__

#include <linux/bitops.h>
#include <linux/of.h>

/*
 * Test if multicore OMAP support is needed
 */
#undef MULTI_OMAP2
#undef OMAP_NAME

#ifdef CONFIG_ARCH_MULTIPLATFORM
#define MULTI_OMAP2
#endif
#ifdef CONFIG_SOC_OMAP2420
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME omap2420
# endif
#endif
#ifdef CONFIG_SOC_OMAP2430
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME omap2430
# endif
#endif
#ifdef CONFIG_ARCH_OMAP3
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME omap3
# endif
#endif
#ifdef CONFIG_ARCH_OMAP4
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME omap4
# endif
#endif

#ifdef CONFIG_SOC_OMAP5
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME omap5
# endif
#endif

#ifdef CONFIG_SOC_AM33XX
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME am33xx
# endif
#endif

#ifdef CONFIG_SOC_AM43XX
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME am43xx
# endif
#endif

#ifdef CONFIG_SOC_DRA7XX
# ifdef OMAP_NAME
#  undef MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME DRA7XX
# endif
#endif

/*
 * Omap device type i.e. EMU/HS/TST/GP/BAD
 */
#define OMAP2_DEVICE_TYPE_TEST		0
#define OMAP2_DEVICE_TYPE_EMU		1
#define OMAP2_DEVICE_TYPE_SEC		2
#define OMAP2_DEVICE_TYPE_GP		3
#define OMAP2_DEVICE_TYPE_BAD		4

int omap_type(void);

/*
 * omap_rev bits:
 * SoC id bits	(0730, 1510, 1710, 2422...)	[31:16]
 * SoC revision	(See _REV_ defined in cpu.h)	[15:08]
 * SoC class bits (15xx, 16xx, 24xx, 34xx...)	[07:00]
 */
unsigned int omap_rev(void);

static inline int soc_is_omap(void)
{
	return omap_rev() != 0;
}

/*
 * Get the SoC revision for OMAP devices
 */
#define GET_OMAP_REVISION()	((omap_rev() >> 8) & 0xff)

/*
 * Macros to group OMAP into cpu classes.
 * These can be used in most places.
 * soc_is_omap24xx():	True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 * soc_is_omap242x():	True for OMAP2420, OMAP2422, OMAP2423
 * soc_is_omap243x():	True for OMAP2430
 * soc_is_omap343x():	True for OMAP3430
 * soc_is_omap443x():	True for OMAP4430
 * soc_is_omap446x():	True for OMAP4460
 * soc_is_omap447x():	True for OMAP4470
 * soc_is_omap543x():	True for OMAP5430, OMAP5432
 */
#define GET_OMAP_CLASS	(omap_rev() & 0xff)

#define IS_OMAP_CLASS(class, id)			\
static inline int is_omap ##class (void)		\
{							\
	return (GET_OMAP_CLASS == (id)) ? 1 : 0;	\
}

#define GET_AM_CLASS	((omap_rev() >> 24) & 0xff)

#define IS_AM_CLASS(class, id)				\
static inline int is_am ##class (void)			\
{							\
	return (GET_AM_CLASS == (id)) ? 1 : 0;		\
}

#define GET_TI_CLASS	((omap_rev() >> 24) & 0xff)

#define IS_TI_CLASS(class, id)			\
static inline int is_ti ##class (void)		\
{							\
	return (GET_TI_CLASS == (id)) ? 1 : 0;	\
}

#define GET_DRA_CLASS	((omap_rev() >> 24) & 0xff)

#define IS_DRA_CLASS(class, id)				\
static inline int is_dra ##class (void)			\
{							\
	return (GET_DRA_CLASS == (id)) ? 1 : 0;		\
}

#define GET_OMAP_SUBCLASS	((omap_rev() >> 20) & 0x0fff)

#define IS_OMAP_SUBCLASS(subclass, id)			\
static inline int is_omap ##subclass (void)		\
{							\
	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
}

#define IS_TI_SUBCLASS(subclass, id)			\
static inline int is_ti ##subclass (void)		\
{							\
	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
}

#define IS_AM_SUBCLASS(subclass, id)			\
static inline int is_am ##subclass (void)		\
{							\
	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
}

#define IS_DRA_SUBCLASS(subclass, id)			\
static inline int is_dra ##subclass (void)		\
{							\
	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0;	\
}

IS_OMAP_CLASS(24xx, 0x24)
IS_OMAP_CLASS(34xx, 0x34)
IS_OMAP_CLASS(44xx, 0x44)
IS_AM_CLASS(35xx, 0x35)
IS_OMAP_CLASS(54xx, 0x54)
IS_AM_CLASS(33xx, 0x33)
IS_AM_CLASS(43xx, 0x43)

IS_TI_CLASS(81xx, 0x81)
IS_DRA_CLASS(7xx, 0x7)

IS_OMAP_SUBCLASS(242x, 0x242)
IS_OMAP_SUBCLASS(243x, 0x243)
IS_OMAP_SUBCLASS(343x, 0x343)
IS_OMAP_SUBCLASS(363x, 0x363)
IS_OMAP_SUBCLASS(443x, 0x443)
IS_OMAP_SUBCLASS(446x, 0x446)
IS_OMAP_SUBCLASS(447x, 0x447)
IS_OMAP_SUBCLASS(543x, 0x543)

IS_TI_SUBCLASS(816x, 0x816)
IS_TI_SUBCLASS(814x, 0x814)
IS_AM_SUBCLASS(335x, 0x335)
IS_AM_SUBCLASS(437x, 0x437)
IS_DRA_SUBCLASS(75x, 0x75)
IS_DRA_SUBCLASS(72x, 0x72)

#define soc_is_omap24xx()		0
#define soc_is_omap242x()		0
#define soc_is_omap243x()		0
#define soc_is_omap34xx()		0
#define soc_is_omap343x()		0
#define soc_is_ti81xx()			0
#define soc_is_ti816x()			0
#define soc_is_ti814x()			0
#define soc_is_am35xx()			0
#define soc_is_am33xx()			0
#define soc_is_am335x()			0
#define soc_is_am43xx()			0
#define soc_is_am437x()			0
#define soc_is_omap44xx()		0
#define soc_is_omap443x()		0
#define soc_is_omap446x()		0
#define soc_is_omap447x()		0
#define soc_is_omap54xx()		0
#define soc_is_omap543x()		0
#define soc_is_dra7xx()			0
#define soc_is_dra74x()			0
#define soc_is_dra72x()			0

#if defined(MULTI_OMAP2)
# if defined(CONFIG_ARCH_OMAP2)
#  undef  soc_is_omap24xx
#  define soc_is_omap24xx()		is_omap24xx()
# endif
# if defined (CONFIG_SOC_OMAP2420)
#  undef  soc_is_omap242x
#  define soc_is_omap242x()		is_omap242x()
# endif
# if defined (CONFIG_SOC_OMAP2430)
#  undef  soc_is_omap243x
#  define soc_is_omap243x()		is_omap243x()
# endif
# if defined(CONFIG_ARCH_OMAP3)
#  undef  soc_is_omap34xx
#  undef  soc_is_omap343x
#  define soc_is_omap34xx()		is_omap34xx()
#  define soc_is_omap343x()		is_omap343x()
# endif
#else
# if defined(CONFIG_ARCH_OMAP2)
#  undef  soc_is_omap24xx
#  define soc_is_omap24xx()		1
# endif
# if defined(CONFIG_SOC_OMAP2420)
#  undef  soc_is_omap242x
#  define soc_is_omap242x()		1
# endif
# if defined(CONFIG_SOC_OMAP2430)
#  undef  soc_is_omap243x
#  define soc_is_omap243x()		1
# endif
# if defined(CONFIG_ARCH_OMAP3)
#  undef  soc_is_omap34xx
#  define soc_is_omap34xx()		1
# endif
# if defined(CONFIG_SOC_OMAP3430)
#  undef  soc_is_omap343x
#  define soc_is_omap343x()		1
# endif
#endif

/*
 * Macros to detect individual cpu types.
 * These are only rarely needed.
 * soc_is_omap2420():	True for OMAP2420
 * soc_is_omap2422():	True for OMAP2422
 * soc_is_omap2423():	True for OMAP2423
 * soc_is_omap2430():	True for OMAP2430
 * soc_is_omap3430():	True for OMAP3430
 */
#define GET_OMAP_TYPE	((omap_rev() >> 16) & 0xffff)

#define IS_OMAP_TYPE(type, id)				\
static inline int is_omap ##type (void)			\
{							\
	return (GET_OMAP_TYPE == (id)) ? 1 : 0;		\
}

IS_OMAP_TYPE(2420, 0x2420)
IS_OMAP_TYPE(2422, 0x2422)
IS_OMAP_TYPE(2423, 0x2423)
IS_OMAP_TYPE(2430, 0x2430)
IS_OMAP_TYPE(3430, 0x3430)

#define soc_is_omap2420()		0
#define soc_is_omap2422()		0
#define soc_is_omap2423()		0
#define soc_is_omap2430()		0
#define soc_is_omap3430()		0
#define soc_is_omap3630()		0
#define soc_is_omap5430()		0

/* These are needed for the common code */
#ifdef CONFIG_ARCH_OMAP2PLUS
#define soc_is_omap7xx()		0
#define soc_is_omap15xx()		0
#define soc_is_omap16xx()		0
#define soc_is_omap1510()		0
#define soc_is_omap1610()		0
#define soc_is_omap1611()		0
#define soc_is_omap1621()		0
#define soc_is_omap1710()		0
#define cpu_class_is_omap1()		0
#define cpu_class_is_omap2()		1
#endif

#if defined(CONFIG_ARCH_OMAP2)
# undef  soc_is_omap2420
# undef  soc_is_omap2422
# undef  soc_is_omap2423
# undef  soc_is_omap2430
# define soc_is_omap2420()		is_omap2420()
# define soc_is_omap2422()		is_omap2422()
# define soc_is_omap2423()		is_omap2423()
# define soc_is_omap2430()		is_omap2430()
#endif

#if defined(CONFIG_ARCH_OMAP3)
# undef soc_is_omap3430
# undef soc_is_ti81xx
# undef soc_is_ti816x
# undef soc_is_ti814x
# undef soc_is_am35xx
# define soc_is_omap3430()		is_omap3430()
# undef soc_is_omap3630
# define soc_is_omap3630()		is_omap363x()
# define soc_is_ti81xx()		is_ti81xx()
# define soc_is_ti816x()		is_ti816x()
# define soc_is_ti814x()		is_ti814x()
# define soc_is_am35xx()		is_am35xx()
#endif

# if defined(CONFIG_SOC_AM33XX)
# undef soc_is_am33xx
# undef soc_is_am335x
# define soc_is_am33xx()		is_am33xx()
# define soc_is_am335x()		is_am335x()
#endif

#ifdef	CONFIG_SOC_AM43XX
# undef soc_is_am43xx
# undef soc_is_am437x
# define soc_is_am43xx()		is_am43xx()
# define soc_is_am437x()		is_am437x()
#endif

# if defined(CONFIG_ARCH_OMAP4)
# undef soc_is_omap44xx
# undef soc_is_omap443x
# undef soc_is_omap446x
# undef soc_is_omap447x
# define soc_is_omap44xx()		is_omap44xx()
# define soc_is_omap443x()		is_omap443x()
# define soc_is_omap446x()		is_omap446x()
# define soc_is_omap447x()		is_omap447x()
# endif

# if defined(CONFIG_SOC_OMAP5)
# undef soc_is_omap54xx
# undef soc_is_omap543x
# define soc_is_omap54xx()		is_omap54xx()
# define soc_is_omap543x()		is_omap543x()
#endif

#if defined(CONFIG_SOC_DRA7XX)
#undef soc_is_dra7xx
#undef soc_is_dra74x
#undef soc_is_dra72x
#define soc_is_dra7xx()	is_dra7xx()
#define soc_is_dra74x()	is_dra75x()
#define soc_is_dra72x()	is_dra72x()
#endif

/* Various silicon revisions for omap2 */
#define OMAP242X_CLASS		0x24200024
#define OMAP2420_REV_ES1_0	OMAP242X_CLASS
#define OMAP2420_REV_ES2_0	(OMAP242X_CLASS | (0x1 << 8))

#define OMAP243X_CLASS		0x24300024
#define OMAP2430_REV_ES1_0	OMAP243X_CLASS

#define OMAP343X_CLASS		0x34300034
#define OMAP3430_REV_ES1_0	OMAP343X_CLASS
#define OMAP3430_REV_ES2_0	(OMAP343X_CLASS | (0x1 << 8))
#define OMAP3430_REV_ES2_1	(OMAP343X_CLASS | (0x2 << 8))
#define OMAP3430_REV_ES3_0	(OMAP343X_CLASS | (0x3 << 8))
#define OMAP3430_REV_ES3_1	(OMAP343X_CLASS | (0x4 << 8))
#define OMAP3430_REV_ES3_1_2	(OMAP343X_CLASS | (0x5 << 8))

#define OMAP363X_CLASS		0x36300034
#define OMAP3630_REV_ES1_0	OMAP363X_CLASS
#define OMAP3630_REV_ES1_1	(OMAP363X_CLASS | (0x1 << 8))
#define OMAP3630_REV_ES1_2	(OMAP363X_CLASS | (0x2 << 8))

#define TI816X_CLASS		0x81600081
#define TI8168_REV_ES1_0	TI816X_CLASS
#define TI8168_REV_ES1_1	(TI816X_CLASS | (0x1 << 8))
#define TI8168_REV_ES2_0	(TI816X_CLASS | (0x2 << 8))
#define TI8168_REV_ES2_1	(TI816X_CLASS | (0x3 << 8))

#define TI814X_CLASS		0x81400081
#define TI8148_REV_ES1_0	TI814X_CLASS
#define TI8148_REV_ES2_0	(TI814X_CLASS | (0x1 << 8))
#define TI8148_REV_ES2_1	(TI814X_CLASS | (0x2 << 8))

#define AM35XX_CLASS		0x35170034
#define AM35XX_REV_ES1_0	AM35XX_CLASS
#define AM35XX_REV_ES1_1	(AM35XX_CLASS | (0x1 << 8))

#define AM335X_CLASS		0x33500033
#define AM335X_REV_ES1_0	AM335X_CLASS
#define AM335X_REV_ES2_0	(AM335X_CLASS | (0x1 << 8))
#define AM335X_REV_ES2_1	(AM335X_CLASS | (0x2 << 8))

#define AM437X_CLASS		0x43700000
#define AM437X_REV_ES1_0	(AM437X_CLASS | (0x10 << 8))
#define AM437X_REV_ES1_1	(AM437X_CLASS | (0x11 << 8))
#define AM437X_REV_ES1_2	(AM437X_CLASS | (0x12 << 8))

#define OMAP443X_CLASS		0x44300044
#define OMAP4430_REV_ES1_0	(OMAP443X_CLASS | (0x10 << 8))
#define OMAP4430_REV_ES2_0	(OMAP443X_CLASS | (0x20 << 8))
#define OMAP4430_REV_ES2_1	(OMAP443X_CLASS | (0x21 << 8))
#define OMAP4430_REV_ES2_2	(OMAP443X_CLASS | (0x22 << 8))
#define OMAP4430_REV_ES2_3	(OMAP443X_CLASS | (0x23 << 8))

#define OMAP446X_CLASS		0x44600044
#define OMAP4460_REV_ES1_0	(OMAP446X_CLASS | (0x10 << 8))
#define OMAP4460_REV_ES1_1	(OMAP446X_CLASS | (0x11 << 8))

#define OMAP447X_CLASS		0x44700044
#define OMAP4470_REV_ES1_0	(OMAP447X_CLASS | (0x10 << 8))

#define OMAP54XX_CLASS		0x54000054
#define OMAP5430_REV_ES2_0	(OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
#define OMAP5432_REV_ES2_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))

#define DRA7XX_CLASS		0x07000000
#define DRA752_REV_ES1_0	(DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
#define DRA752_REV_ES1_1	(DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
#define DRA752_REV_ES2_0	(DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))
#define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
#define DRA722_REV_ES1_0	(DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8))
#define DRA722_REV_ES2_0	(DRA7XX_CLASS | (0x22 << 16) | (0x20 << 8))

void omap2xxx_check_revision(void);
void omap3xxx_check_revision(void);
void omap4xxx_check_revision(void);
void omap5xxx_check_revision(void);
void dra7xxx_check_revision(void);
void omap3xxx_check_features(void);
void ti81xx_check_features(void);
void am33xx_check_features(void);
void omap4xxx_check_features(void);

/*
 * Runtime detection of OMAP3 features
 *
 * OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
 *    family have OS-level control over the I/O chain clock.  This is
 *    to avoid a window during which wakeups could potentially be lost
 *    during powerdomain transitions.  If this bit is set, it
 *    indicates that the chip does support OS-level control of this
 *    feature.
 */
extern u32 omap_features;

#define OMAP3_HAS_L2CACHE		BIT(0)
#define OMAP3_HAS_IVA			BIT(1)
#define OMAP3_HAS_SGX			BIT(2)
#define OMAP3_HAS_NEON			BIT(3)
#define OMAP3_HAS_ISP			BIT(4)
#define OMAP3_HAS_192MHZ_CLK		BIT(5)
#define OMAP3_HAS_IO_WAKEUP		BIT(6)
#define OMAP3_HAS_SDRC			BIT(7)
#define OMAP3_HAS_IO_CHAIN_CTRL		BIT(8)
#define OMAP4_HAS_PERF_SILICON		BIT(9)


#define OMAP3_HAS_FEATURE(feat,flag)			\
static inline unsigned int omap3_has_ ##feat(void)	\
{							\
	return omap_features & OMAP3_HAS_ ##flag;	\
}							\

OMAP3_HAS_FEATURE(l2cache, L2CACHE)
OMAP3_HAS_FEATURE(sgx, SGX)
OMAP3_HAS_FEATURE(iva, IVA)
OMAP3_HAS_FEATURE(neon, NEON)
OMAP3_HAS_FEATURE(isp, ISP)
OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
OMAP3_HAS_FEATURE(sdrc, SDRC)
OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)

/*
 * Runtime detection of OMAP4 features
 */
#define OMAP4_HAS_FEATURE(feat, flag)			\
static inline unsigned int omap4_has_ ##feat(void)	\
{							\
	return omap_features & OMAP4_HAS_ ##flag;	\
}							\

OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)

/*
 * We need to make sure omap initcalls don't run when
 * multiplatform kernels are booted on other SoCs.
 */
#define omap_initcall(level, fn)		\
static int __init __used __##fn(void)		\
{						\
	if (!soc_is_omap())			\
		return 0;			\
	return fn();				\
}						\
level(__##fn);

#define omap_early_initcall(fn)		omap_initcall(early_initcall, fn)
#define omap_core_initcall(fn)		omap_initcall(core_initcall, fn)
#define omap_postcore_initcall(fn)	omap_initcall(postcore_initcall, fn)
#define omap_arch_initcall(fn)		omap_initcall(arch_initcall, fn)
#define omap_subsys_initcall(fn)	omap_initcall(subsys_initcall, fn)
#define omap_device_initcall(fn)	omap_initcall(device_initcall, fn)
#define omap_late_initcall(fn)		omap_initcall(late_initcall, fn)
#define omap_late_initcall_sync(fn)	omap_initcall(late_initcall_sync, fn)

/* Legacy defines, these can be removed when users are removed */
#define cpu_is_omap2420()	soc_is_omap2420()
#define cpu_is_omap2422()	soc_is_omap2422()
#define cpu_is_omap242x()	soc_is_omap242x()
#define cpu_is_omap2430()	soc_is_omap2430()
#define cpu_is_omap243x()	soc_is_omap243x()
#define cpu_is_omap24xx()	soc_is_omap24xx()
#define cpu_is_omap3430()	soc_is_omap3430()
#define cpu_is_omap343x()	soc_is_omap343x()
#define cpu_is_omap34xx()	soc_is_omap34xx()
#define cpu_is_omap3630()	soc_is_omap3630()
#define cpu_is_omap443x()	soc_is_omap443x()
#define cpu_is_omap446x()	soc_is_omap446x()
#define cpu_is_omap44xx()	soc_is_omap44xx()
#define cpu_is_ti814x()		soc_is_ti814x()
#define cpu_is_ti816x()		soc_is_ti816x()
#define cpu_is_ti81xx()		soc_is_ti81xx()

#endif	/* __ASSEMBLY__ */
Commit	Line	Data
e4c060db TL	1	/*
	2	* OMAP cpu type detection
	3	*
	4	* Copyright (C) 2004, 2008 Nokia Corporation
	5	*
	6	* Copyright (C) 2009-11 Texas Instruments.
	7	*
	8	* Written by Tony Lindgren <tony.lindgren@nokia.com>
	9	*
	10	* Added OMAP4/5 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
6852215a	11	* Added DRA7xxx specific defines - Sricharan R<r.sricharan@ti.com>
e4c060db TL	12	*
	13	* This program is free software; you can redistribute it and/or modify
	14	* it under the terms of the GNU General Public License as published by
	15	* the Free Software Foundation; either version 2 of the License, or
	16	* (at your option) any later version.
	17	*
	18	* This program is distributed in the hope that it will be useful,
	19	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	20	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	21	* GNU General Public License for more details.
	22	*
	23	* You should have received a copy of the GNU General Public License
	24	* along with this program; if not, write to the Free Software
	25	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	26	*
	27	*/
	28
c49f34bc TL	29	#include "omap24xx.h"
	30	#include "omap34xx.h"
	31	#include "omap44xx.h"
	32	#include "ti81xx.h"
	33	#include "am33xx.h"
	34	#include "omap54xx.h"
e4c060db TL	35
	36	#ifndef __ASSEMBLY__
	37
	38	#include <linux/bitops.h>
6852215a	39	#include <linux/of.h>
e4c060db TL	40
	41	/*
	42	* Test if multicore OMAP support is needed
	43	*/
	44	#undef MULTI_OMAP2
	45	#undef OMAP_NAME
	46
816a65ef TL	47	#ifdef CONFIG_ARCH_MULTIPLATFORM
	48	#define MULTI_OMAP2
	49	#endif
e4c060db TL	50	#ifdef CONFIG_SOC_OMAP2420
	51	# ifdef OMAP_NAME
	52	# undef MULTI_OMAP2
	53	# define MULTI_OMAP2
	54	# else
	55	# define OMAP_NAME omap2420
	56	# endif
	57	#endif
	58	#ifdef CONFIG_SOC_OMAP2430
	59	# ifdef OMAP_NAME
	60	# undef MULTI_OMAP2
	61	# define MULTI_OMAP2
	62	# else
	63	# define OMAP_NAME omap2430
	64	# endif
	65	#endif
	66	#ifdef CONFIG_ARCH_OMAP3
	67	# ifdef OMAP_NAME
	68	# undef MULTI_OMAP2
	69	# define MULTI_OMAP2
	70	# else
	71	# define OMAP_NAME omap3
	72	# endif
	73	#endif
	74	#ifdef CONFIG_ARCH_OMAP4
	75	# ifdef OMAP_NAME
	76	# undef MULTI_OMAP2
	77	# define MULTI_OMAP2
	78	# else
	79	# define OMAP_NAME omap4
	80	# endif
	81	#endif
	82
	83	#ifdef CONFIG_SOC_OMAP5
	84	# ifdef OMAP_NAME
	85	# undef MULTI_OMAP2
	86	# define MULTI_OMAP2
	87	# else
	88	# define OMAP_NAME omap5
	89	# endif
	90	#endif
	91
	92	#ifdef CONFIG_SOC_AM33XX
	93	# ifdef OMAP_NAME
	94	# undef MULTI_OMAP2
	95	# define MULTI_OMAP2
	96	# else
	97	# define OMAP_NAME am33xx
	98	# endif
	99	#endif
	100
c664d0a9 AM	101	#ifdef CONFIG_SOC_AM43XX
	102	# ifdef OMAP_NAME
	103	# undef MULTI_OMAP2
	104	# define MULTI_OMAP2
	105	# else
	106	# define OMAP_NAME am43xx
	107	# endif
	108	#endif
	109
6852215a S	110	#ifdef CONFIG_SOC_DRA7XX
	111	# ifdef OMAP_NAME
	112	# undef MULTI_OMAP2
	113	# define MULTI_OMAP2
	114	# else
	115	# define OMAP_NAME DRA7XX
	116	# endif
	117	#endif
	118
e4c060db TL	119	/*
	120	* Omap device type i.e. EMU/HS/TST/GP/BAD
	121	*/
	122	#define OMAP2_DEVICE_TYPE_TEST 0
	123	#define OMAP2_DEVICE_TYPE_EMU 1
	124	#define OMAP2_DEVICE_TYPE_SEC 2
	125	#define OMAP2_DEVICE_TYPE_GP 3
	126	#define OMAP2_DEVICE_TYPE_BAD 4
	127
	128	int omap_type(void);
	129
	130	/*
	131	* omap_rev bits:
d0b50905 TL	132	* SoC id bits (0730, 1510, 1710, 2422...) [31:16]
	133	* SoC revision (See _REV_ defined in cpu.h) [15:08]
	134	* SoC class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
e4c060db TL	135	*/
	136	unsigned int omap_rev(void);
	137
816a65ef TL	138	static inline int soc_is_omap(void)
	139	{
	140	return omap_rev() != 0;
	141	}
	142
e4c060db	143	/*
d0b50905	144	* Get the SoC revision for OMAP devices
e4c060db TL	145	*/
	146	#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
	147
	148	/*
	149	* Macros to group OMAP into cpu classes.
	150	* These can be used in most places.
d0b50905 TL	151	* soc_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
	152	* soc_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
	153	* soc_is_omap243x(): True for OMAP2430
	154	* soc_is_omap343x(): True for OMAP3430
	155	* soc_is_omap443x(): True for OMAP4430
	156	* soc_is_omap446x(): True for OMAP4460
	157	* soc_is_omap447x(): True for OMAP4470
e4c060db TL	158	* soc_is_omap543x(): True for OMAP5430, OMAP5432
	159	*/
	160	#define GET_OMAP_CLASS (omap_rev() & 0xff)
	161
	162	#define IS_OMAP_CLASS(class, id) \
	163	static inline int is_omap ##class (void) \
	164	{ \
	165	return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
	166	}
	167
	168	#define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
	169
	170	#define IS_AM_CLASS(class, id) \
	171	static inline int is_am ##class (void) \
	172	{ \
	173	return (GET_AM_CLASS == (id)) ? 1 : 0; \
	174	}
	175
	176	#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
	177
	178	#define IS_TI_CLASS(class, id) \
	179	static inline int is_ti ##class (void) \
	180	{ \
	181	return (GET_TI_CLASS == (id)) ? 1 : 0; \
	182	}
	183
06c2d368 K	184	#define GET_DRA_CLASS ((omap_rev() >> 24) & 0xff)
	185
	186	#define IS_DRA_CLASS(class, id) \
	187	static inline int is_dra ##class (void) \
	188	{ \
	189	return (GET_DRA_CLASS == (id)) ? 1 : 0; \
	190	}
	191
e4c060db TL	192	#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
	193
	194	#define IS_OMAP_SUBCLASS(subclass, id) \
	195	static inline int is_omap ##subclass (void) \
	196	{ \
	197	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	198	}
	199
	200	#define IS_TI_SUBCLASS(subclass, id) \
	201	static inline int is_ti ##subclass (void) \
	202	{ \
	203	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	204	}
	205
	206	#define IS_AM_SUBCLASS(subclass, id) \
	207	static inline int is_am ##subclass (void) \
	208	{ \
	209	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	210	}
	211
06c2d368 K	212	#define IS_DRA_SUBCLASS(subclass, id) \
	213	static inline int is_dra ##subclass (void) \
	214	{ \
	215	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	216	}
	217
e4c060db TL	218	IS_OMAP_CLASS(24xx, 0x24)
	219	IS_OMAP_CLASS(34xx, 0x34)
	220	IS_OMAP_CLASS(44xx, 0x44)
	221	IS_AM_CLASS(35xx, 0x35)
	222	IS_OMAP_CLASS(54xx, 0x54)
	223	IS_AM_CLASS(33xx, 0x33)
c664d0a9	224	IS_AM_CLASS(43xx, 0x43)
e4c060db TL	225
e4c060db TL	226	IS_TI_CLASS(81xx, 0x81)
06c2d368	227	IS_DRA_CLASS(7xx, 0x7)
e4c060db TL	228
	229	IS_OMAP_SUBCLASS(242x, 0x242)
	230	IS_OMAP_SUBCLASS(243x, 0x243)
	231	IS_OMAP_SUBCLASS(343x, 0x343)
	232	IS_OMAP_SUBCLASS(363x, 0x363)
	233	IS_OMAP_SUBCLASS(443x, 0x443)
	234	IS_OMAP_SUBCLASS(446x, 0x446)
	235	IS_OMAP_SUBCLASS(447x, 0x447)
	236	IS_OMAP_SUBCLASS(543x, 0x543)
	237
	238	IS_TI_SUBCLASS(816x, 0x816)
	239	IS_TI_SUBCLASS(814x, 0x814)
	240	IS_AM_SUBCLASS(335x, 0x335)
c664d0a9	241	IS_AM_SUBCLASS(437x, 0x437)
06c2d368 K	242	IS_DRA_SUBCLASS(75x, 0x75)
06c2d368 K	243	IS_DRA_SUBCLASS(72x, 0x72)
e4c060db	244
d0b50905 TL	245	#define soc_is_omap24xx() 0
	246	#define soc_is_omap242x() 0
	247	#define soc_is_omap243x() 0
	248	#define soc_is_omap34xx() 0
	249	#define soc_is_omap343x() 0
	250	#define soc_is_ti81xx() 0
	251	#define soc_is_ti816x() 0
	252	#define soc_is_ti814x() 0
e4c060db TL	253	#define soc_is_am35xx() 0
	254	#define soc_is_am33xx() 0
	255	#define soc_is_am335x() 0
c664d0a9 AM	256	#define soc_is_am43xx() 0
c664d0a9 AM	257	#define soc_is_am437x() 0
d0b50905 TL	258	#define soc_is_omap44xx() 0
	259	#define soc_is_omap443x() 0
	260	#define soc_is_omap446x() 0
	261	#define soc_is_omap447x() 0
e4c060db TL	262	#define soc_is_omap54xx() 0
e4c060db TL	263	#define soc_is_omap543x() 0
6852215a	264	#define soc_is_dra7xx() 0
af438fec RN	265	#define soc_is_dra74x() 0
af438fec RN	266	#define soc_is_dra72x() 0
e4c060db TL	267
	268	#if defined(MULTI_OMAP2)
	269	# if defined(CONFIG_ARCH_OMAP2)
d0b50905 TL	270	# undef soc_is_omap24xx
d0b50905 TL	271	# define soc_is_omap24xx() is_omap24xx()
e4c060db TL	272	# endif
e4c060db TL	273	# if defined (CONFIG_SOC_OMAP2420)
d0b50905 TL	274	# undef soc_is_omap242x
d0b50905 TL	275	# define soc_is_omap242x() is_omap242x()
e4c060db TL	276	# endif
e4c060db TL	277	# if defined (CONFIG_SOC_OMAP2430)
d0b50905 TL	278	# undef soc_is_omap243x
d0b50905 TL	279	# define soc_is_omap243x() is_omap243x()
e4c060db TL	280	# endif
e4c060db TL	281	# if defined(CONFIG_ARCH_OMAP3)
d0b50905 TL	282	# undef soc_is_omap34xx
	283	# undef soc_is_omap343x
	284	# define soc_is_omap34xx() is_omap34xx()
	285	# define soc_is_omap343x() is_omap343x()
e4c060db TL	286	# endif
	287	#else
	288	# if defined(CONFIG_ARCH_OMAP2)
d0b50905 TL	289	# undef soc_is_omap24xx
d0b50905 TL	290	# define soc_is_omap24xx() 1
e4c060db TL	291	# endif
e4c060db TL	292	# if defined(CONFIG_SOC_OMAP2420)
d0b50905 TL	293	# undef soc_is_omap242x
d0b50905 TL	294	# define soc_is_omap242x() 1
e4c060db TL	295	# endif
e4c060db TL	296	# if defined(CONFIG_SOC_OMAP2430)
d0b50905 TL	297	# undef soc_is_omap243x
d0b50905 TL	298	# define soc_is_omap243x() 1
e4c060db TL	299	# endif
e4c060db TL	300	# if defined(CONFIG_ARCH_OMAP3)
d0b50905 TL	301	# undef soc_is_omap34xx
d0b50905 TL	302	# define soc_is_omap34xx() 1
e4c060db TL	303	# endif
e4c060db TL	304	# if defined(CONFIG_SOC_OMAP3430)
d0b50905 TL	305	# undef soc_is_omap343x
d0b50905 TL	306	# define soc_is_omap343x() 1
e4c060db TL	307	# endif
	308	#endif
	309
	310	/*
	311	* Macros to detect individual cpu types.
	312	* These are only rarely needed.
d0b50905 TL	313	* soc_is_omap2420(): True for OMAP2420
	314	* soc_is_omap2422(): True for OMAP2422
	315	* soc_is_omap2423(): True for OMAP2423
	316	* soc_is_omap2430(): True for OMAP2430
	317	* soc_is_omap3430(): True for OMAP3430
e4c060db TL	318	*/
	319	#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
	320
	321	#define IS_OMAP_TYPE(type, id) \
	322	static inline int is_omap ##type (void) \
	323	{ \
	324	return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
	325	}
	326
	327	IS_OMAP_TYPE(2420, 0x2420)
	328	IS_OMAP_TYPE(2422, 0x2422)
	329	IS_OMAP_TYPE(2423, 0x2423)
	330	IS_OMAP_TYPE(2430, 0x2430)
	331	IS_OMAP_TYPE(3430, 0x3430)
	332
d0b50905 TL	333	#define soc_is_omap2420() 0
	334	#define soc_is_omap2422() 0
	335	#define soc_is_omap2423() 0
	336	#define soc_is_omap2430() 0
	337	#define soc_is_omap3430() 0
	338	#define soc_is_omap3630() 0
e4c060db TL	339	#define soc_is_omap5430() 0
	340
	341	/* These are needed for the common code */
	342	#ifdef CONFIG_ARCH_OMAP2PLUS
d0b50905 TL	343	#define soc_is_omap7xx() 0
	344	#define soc_is_omap15xx() 0
	345	#define soc_is_omap16xx() 0
	346	#define soc_is_omap1510() 0
	347	#define soc_is_omap1610() 0
	348	#define soc_is_omap1611() 0
	349	#define soc_is_omap1621() 0
	350	#define soc_is_omap1710() 0
e4c060db TL	351	#define cpu_class_is_omap1() 0
	352	#define cpu_class_is_omap2() 1
	353	#endif
	354
	355	#if defined(CONFIG_ARCH_OMAP2)
d0b50905 TL	356	# undef soc_is_omap2420
	357	# undef soc_is_omap2422
	358	# undef soc_is_omap2423
	359	# undef soc_is_omap2430
	360	# define soc_is_omap2420() is_omap2420()
	361	# define soc_is_omap2422() is_omap2422()
	362	# define soc_is_omap2423() is_omap2423()
	363	# define soc_is_omap2430() is_omap2430()
e4c060db TL	364	#endif
	365
	366	#if defined(CONFIG_ARCH_OMAP3)
d0b50905 TL	367	# undef soc_is_omap3430
	368	# undef soc_is_ti81xx
	369	# undef soc_is_ti816x
	370	# undef soc_is_ti814x
e4c060db	371	# undef soc_is_am35xx
d0b50905 TL	372	# define soc_is_omap3430() is_omap3430()
	373	# undef soc_is_omap3630
	374	# define soc_is_omap3630() is_omap363x()
	375	# define soc_is_ti81xx() is_ti81xx()
	376	# define soc_is_ti816x() is_ti816x()
	377	# define soc_is_ti814x() is_ti814x()
e4c060db TL	378	# define soc_is_am35xx() is_am35xx()
	379	#endif
	380
	381	# if defined(CONFIG_SOC_AM33XX)
	382	# undef soc_is_am33xx
	383	# undef soc_is_am335x
	384	# define soc_is_am33xx() is_am33xx()
	385	# define soc_is_am335x() is_am335x()
	386	#endif
	387
c664d0a9 AM	388	#ifdef CONFIG_SOC_AM43XX
	389	# undef soc_is_am43xx
	390	# undef soc_is_am437x
	391	# define soc_is_am43xx() is_am43xx()
	392	# define soc_is_am437x() is_am437x()
	393	#endif
	394
e4c060db	395	# if defined(CONFIG_ARCH_OMAP4)
d0b50905 TL	396	# undef soc_is_omap44xx
	397	# undef soc_is_omap443x
	398	# undef soc_is_omap446x
	399	# undef soc_is_omap447x
	400	# define soc_is_omap44xx() is_omap44xx()
	401	# define soc_is_omap443x() is_omap443x()
	402	# define soc_is_omap446x() is_omap446x()
	403	# define soc_is_omap447x() is_omap447x()
e4c060db TL	404	# endif
	405
	406	# if defined(CONFIG_SOC_OMAP5)
	407	# undef soc_is_omap54xx
	408	# undef soc_is_omap543x
	409	# define soc_is_omap54xx() is_omap54xx()
	410	# define soc_is_omap543x() is_omap543x()
	411	#endif
	412
6852215a S	413	#if defined(CONFIG_SOC_DRA7XX)
6852215a S	414	#undef soc_is_dra7xx
af438fec RN	415	#undef soc_is_dra74x
af438fec RN	416	#undef soc_is_dra72x
06c2d368 K	417	#define soc_is_dra7xx() is_dra7xx()
	418	#define soc_is_dra74x() is_dra75x()
	419	#define soc_is_dra72x() is_dra72x()
6852215a S	420	#endif
6852215a S	421
e4c060db TL	422	/* Various silicon revisions for omap2 */
	423	#define OMAP242X_CLASS 0x24200024
	424	#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
	425	#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS \| (0x1 << 8))
	426
	427	#define OMAP243X_CLASS 0x24300024
	428	#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
	429
	430	#define OMAP343X_CLASS 0x34300034
	431	#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
	432	#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS \| (0x1 << 8))
	433	#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS \| (0x2 << 8))
	434	#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS \| (0x3 << 8))
	435	#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS \| (0x4 << 8))
	436	#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS \| (0x5 << 8))
	437
	438	#define OMAP363X_CLASS 0x36300034
	439	#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
	440	#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS \| (0x1 << 8))
	441	#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS \| (0x2 << 8))
	442
c27964b5	443	#define TI816X_CLASS 0x81600081
e4c060db TL	444	#define TI8168_REV_ES1_0 TI816X_CLASS
e4c060db TL	445	#define TI8168_REV_ES1_1 (TI816X_CLASS \| (0x1 << 8))
a5f93d9d AM	446	#define TI8168_REV_ES2_0 (TI816X_CLASS \| (0x2 << 8))
a5f93d9d AM	447	#define TI8168_REV_ES2_1 (TI816X_CLASS \| (0x3 << 8))
e4c060db	448
c27964b5	449	#define TI814X_CLASS 0x81400081
e4c060db TL	450	#define TI8148_REV_ES1_0 TI814X_CLASS
	451	#define TI8148_REV_ES2_0 (TI814X_CLASS \| (0x1 << 8))
	452	#define TI8148_REV_ES2_1 (TI814X_CLASS \| (0x2 << 8))
	453
	454	#define AM35XX_CLASS 0x35170034
	455	#define AM35XX_REV_ES1_0 AM35XX_CLASS
	456	#define AM35XX_REV_ES1_1 (AM35XX_CLASS \| (0x1 << 8))
	457
	458	#define AM335X_CLASS 0x33500033
	459	#define AM335X_REV_ES1_0 AM335X_CLASS
5af044f4	460	#define AM335X_REV_ES2_0 (AM335X_CLASS \| (0x1 << 8))
d240ef30	461	#define AM335X_REV_ES2_1 (AM335X_CLASS \| (0x2 << 8))
e4c060db	462
c664d0a9	463	#define AM437X_CLASS 0x43700000
4a2ed4c0 LV	464	#define AM437X_REV_ES1_0 (AM437X_CLASS \| (0x10 << 8))
4a2ed4c0 LV	465	#define AM437X_REV_ES1_1 (AM437X_CLASS \| (0x11 << 8))
4fdd54f0	466	#define AM437X_REV_ES1_2 (AM437X_CLASS \| (0x12 << 8))
c664d0a9	467
e4c060db TL	468	#define OMAP443X_CLASS 0x44300044
	469	#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS \| (0x10 << 8))
	470	#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS \| (0x20 << 8))
	471	#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS \| (0x21 << 8))
	472	#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS \| (0x22 << 8))
	473	#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS \| (0x23 << 8))
	474
	475	#define OMAP446X_CLASS 0x44600044
	476	#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS \| (0x10 << 8))
	477	#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS \| (0x11 << 8))
	478
	479	#define OMAP447X_CLASS 0x44700044
	480	#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS \| (0x10 << 8))
	481
	482	#define OMAP54XX_CLASS 0x54000054
5a898a78	483	#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS \| (0x30 << 16) \| (0x20 << 8))
5a898a78	484	#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x20 << 8))
e4c060db	485
733d20ee NM	486	#define DRA7XX_CLASS 0x07000000
	487	#define DRA752_REV_ES1_0 (DRA7XX_CLASS \| (0x52 << 16) \| (0x10 << 8))
	488	#define DRA752_REV_ES1_1 (DRA7XX_CLASS \| (0x52 << 16) \| (0x11 << 8))
81032e34 VM	489	#define DRA752_REV_ES2_0 (DRA7XX_CLASS \| (0x52 << 16) \| (0x20 << 8))
81032e34 VM	490	#define DRA722_REV_ES1_0 (DRA7XX_CLASS \| (0x22 << 16) \| (0x10 << 8))
73d20280	491	#define DRA722_REV_ES1_0 (DRA7XX_CLASS \| (0x22 << 16) \| (0x10 << 8))
6b532c4a	492	#define DRA722_REV_ES2_0 (DRA7XX_CLASS \| (0x22 << 16) \| (0x20 << 8))
733d20ee	493
e4c060db TL	494	void omap2xxx_check_revision(void);
	495	void omap3xxx_check_revision(void);
	496	void omap4xxx_check_revision(void);
	497	void omap5xxx_check_revision(void);
733d20ee	498	void dra7xxx_check_revision(void);
e4c060db TL	499	void omap3xxx_check_features(void);
e4c060db TL	500	void ti81xx_check_features(void);
7bcad170	501	void am33xx_check_features(void);
e4c060db TL	502	void omap4xxx_check_features(void);
	503
	504	/*
	505	* Runtime detection of OMAP3 features
	506	*
	507	* OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
	508	* family have OS-level control over the I/O chain clock. This is
	509	* to avoid a window during which wakeups could potentially be lost
	510	* during powerdomain transitions. If this bit is set, it
	511	* indicates that the chip does support OS-level control of this
	512	* feature.
	513	*/
	514	extern u32 omap_features;
	515
	516	#define OMAP3_HAS_L2CACHE BIT(0)
	517	#define OMAP3_HAS_IVA BIT(1)
	518	#define OMAP3_HAS_SGX BIT(2)
	519	#define OMAP3_HAS_NEON BIT(3)
	520	#define OMAP3_HAS_ISP BIT(4)
	521	#define OMAP3_HAS_192MHZ_CLK BIT(5)
	522	#define OMAP3_HAS_IO_WAKEUP BIT(6)
	523	#define OMAP3_HAS_SDRC BIT(7)
	524	#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
42a1cc9c	525	#define OMAP4_HAS_PERF_SILICON BIT(9)
e4c060db TL	526
	527
	528	#define OMAP3_HAS_FEATURE(feat,flag) \
	529	static inline unsigned int omap3_has_ ##feat(void) \
	530	{ \
	531	return omap_features & OMAP3_HAS_ ##flag; \
	532	} \
	533
	534	OMAP3_HAS_FEATURE(l2cache, L2CACHE)
	535	OMAP3_HAS_FEATURE(sgx, SGX)
	536	OMAP3_HAS_FEATURE(iva, IVA)
	537	OMAP3_HAS_FEATURE(neon, NEON)
	538	OMAP3_HAS_FEATURE(isp, ISP)
	539	OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
	540	OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
	541	OMAP3_HAS_FEATURE(sdrc, SDRC)
	542	OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
	543
	544	/*
	545	* Runtime detection of OMAP4 features
	546	*/
	547	#define OMAP4_HAS_FEATURE(feat, flag) \
	548	static inline unsigned int omap4_has_ ##feat(void) \
	549	{ \
	550	return omap_features & OMAP4_HAS_ ##flag; \
	551	} \
	552
42a1cc9c	553	OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
e4c060db	554
816a65ef TL	555	/*
	556	* We need to make sure omap initcalls don't run when
	557	* multiplatform kernels are booted on other SoCs.
	558	*/
	559	#define omap_initcall(level, fn) \
	560	static int __init __used __##fn(void) \
	561	{ \
	562	if (!soc_is_omap()) \
	563	return 0; \
	564	return fn(); \
	565	} \
	566	level(__##fn);
	567
	568	#define omap_early_initcall(fn) omap_initcall(early_initcall, fn)
	569	#define omap_core_initcall(fn) omap_initcall(core_initcall, fn)
	570	#define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn)
	571	#define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn)
	572	#define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn)
	573	#define omap_device_initcall(fn) omap_initcall(device_initcall, fn)
	574	#define omap_late_initcall(fn) omap_initcall(late_initcall, fn)
e7e17c53	575	#define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn)
816a65ef	576
d0b50905 TL	577	/* Legacy defines, these can be removed when users are removed */
	578	#define cpu_is_omap2420() soc_is_omap2420()
	579	#define cpu_is_omap2422() soc_is_omap2422()
	580	#define cpu_is_omap242x() soc_is_omap242x()
	581	#define cpu_is_omap2430() soc_is_omap2430()
	582	#define cpu_is_omap243x() soc_is_omap243x()
	583	#define cpu_is_omap24xx() soc_is_omap24xx()
	584	#define cpu_is_omap3430() soc_is_omap3430()
	585	#define cpu_is_omap343x() soc_is_omap343x()
	586	#define cpu_is_omap34xx() soc_is_omap34xx()
	587	#define cpu_is_omap3630() soc_is_omap3630()
	588	#define cpu_is_omap443x() soc_is_omap443x()
	589	#define cpu_is_omap446x() soc_is_omap446x()
	590	#define cpu_is_omap44xx() soc_is_omap44xx()
	591	#define cpu_is_ti814x() soc_is_ti814x()
	592	#define cpu_is_ti816x() soc_is_ti816x()
	593	#define cpu_is_ti81xx() soc_is_ti81xx()
e4c060db	594
d0b50905	595	#endif /* __ASSEMBLY__ */