[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>
 *
 * 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>

/*
 * 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

/*
 * 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:
 * CPU id bits	(0730, 1510, 1710, 2422...)	[31:16]
 * CPU revision	(See _REV_ defined in cpu.h)	[15:08]
 * CPU 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 CPU 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.
 * cpu_is_omap24xx():	True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
 * cpu_is_omap242x():	True for OMAP2420, OMAP2422, OMAP2423
 * cpu_is_omap243x():	True for OMAP2430
 * cpu_is_omap343x():	True for OMAP3430
 * cpu_is_omap443x():	True for OMAP4430
 * cpu_is_omap446x():	True for OMAP4460
 * cpu_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_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;	\
}

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_TI_CLASS(81xx, 0x81)

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)

#define cpu_is_omap24xx()		0
#define cpu_is_omap242x()		0
#define cpu_is_omap243x()		0
#define cpu_is_omap34xx()		0
#define cpu_is_omap343x()		0
#define cpu_is_ti81xx()			0
#define cpu_is_ti816x()			0
#define cpu_is_ti814x()			0
#define soc_is_am35xx()			0
#define soc_is_am33xx()			0
#define soc_is_am335x()			0
#define cpu_is_omap44xx()		0
#define cpu_is_omap443x()		0
#define cpu_is_omap446x()		0
#define cpu_is_omap447x()		0
#define soc_is_omap54xx()		0
#define soc_is_omap543x()		0

#if defined(MULTI_OMAP2)
# if defined(CONFIG_ARCH_OMAP2)
#  undef  cpu_is_omap24xx
#  define cpu_is_omap24xx()		is_omap24xx()
# endif
# if defined (CONFIG_SOC_OMAP2420)
#  undef  cpu_is_omap242x
#  define cpu_is_omap242x()		is_omap242x()
# endif
# if defined (CONFIG_SOC_OMAP2430)
#  undef  cpu_is_omap243x
#  define cpu_is_omap243x()		is_omap243x()
# endif
# if defined(CONFIG_ARCH_OMAP3)
#  undef  cpu_is_omap34xx
#  undef  cpu_is_omap343x
#  define cpu_is_omap34xx()		is_omap34xx()
#  define cpu_is_omap343x()		is_omap343x()
# endif
#else
# if defined(CONFIG_ARCH_OMAP2)
#  undef  cpu_is_omap24xx
#  define cpu_is_omap24xx()		1
# endif
# if defined(CONFIG_SOC_OMAP2420)
#  undef  cpu_is_omap242x
#  define cpu_is_omap242x()		1
# endif
# if defined(CONFIG_SOC_OMAP2430)
#  undef  cpu_is_omap243x
#  define cpu_is_omap243x()		1
# endif
# if defined(CONFIG_ARCH_OMAP3)
#  undef  cpu_is_omap34xx
#  define cpu_is_omap34xx()		1
# endif
# if defined(CONFIG_SOC_OMAP3430)
#  undef  cpu_is_omap343x
#  define cpu_is_omap343x()		1
# endif
#endif

/*
 * Macros to detect individual cpu types.
 * These are only rarely needed.
 * cpu_is_omap2420():	True for OMAP2420
 * cpu_is_omap2422():	True for OMAP2422
 * cpu_is_omap2423():	True for OMAP2423
 * cpu_is_omap2430():	True for OMAP2430
 * cpu_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 cpu_is_omap2420()		0
#define cpu_is_omap2422()		0
#define cpu_is_omap2423()		0
#define cpu_is_omap2430()		0
#define cpu_is_omap3430()		0
#define cpu_is_omap3630()		0
#define soc_is_omap5430()		0

/* These are needed for the common code */
#ifdef CONFIG_ARCH_OMAP2PLUS
#define cpu_is_omap7xx()		0
#define cpu_is_omap15xx()		0
#define cpu_is_omap16xx()		0
#define cpu_is_omap1510()		0
#define cpu_is_omap1610()		0
#define cpu_is_omap1611()		0
#define cpu_is_omap1621()		0
#define cpu_is_omap1710()		0
#define cpu_class_is_omap1()		0
#define cpu_class_is_omap2()		1
#endif

#if defined(CONFIG_ARCH_OMAP2)
# undef  cpu_is_omap2420
# undef  cpu_is_omap2422
# undef  cpu_is_omap2423
# undef  cpu_is_omap2430
# define cpu_is_omap2420()		is_omap2420()
# define cpu_is_omap2422()		is_omap2422()
# define cpu_is_omap2423()		is_omap2423()
# define cpu_is_omap2430()		is_omap2430()
#endif

#if defined(CONFIG_ARCH_OMAP3)
# undef cpu_is_omap3430
# undef cpu_is_ti81xx
# undef cpu_is_ti816x
# undef cpu_is_ti814x
# undef soc_is_am35xx
# define cpu_is_omap3430()		is_omap3430()
# undef cpu_is_omap3630
# define cpu_is_omap3630()		is_omap363x()
# define cpu_is_ti81xx()		is_ti81xx()
# define cpu_is_ti816x()		is_ti816x()
# define cpu_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

# if defined(CONFIG_ARCH_OMAP4)
# undef cpu_is_omap44xx
# undef cpu_is_omap443x
# undef cpu_is_omap446x
# undef cpu_is_omap447x
# define cpu_is_omap44xx()		is_omap44xx()
# define cpu_is_omap443x()		is_omap443x()
# define cpu_is_omap446x()		is_omap446x()
# define cpu_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

/* 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		0x81600034
#define TI8168_REV_ES1_0	TI816X_CLASS
#define TI8168_REV_ES1_1	(TI816X_CLASS | (0x1 << 8))

#define TI814X_CLASS		0x81400034
#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 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_ES1_0	(OMAP54XX_CLASS | (0x30 << 16) | (0x10 << 8))
#define OMAP5430_REV_ES2_0	(OMAP54XX_CLASS | (0x30 << 16) | (0x20 << 8))
#define OMAP5432_REV_ES1_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 8))
#define OMAP5432_REV_ES2_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))

void omap2xxx_check_revision(void);
void omap3xxx_check_revision(void);
void omap4xxx_check_revision(void);
void omap5xxx_check_revision(void);
void omap3xxx_check_features(void);
void ti81xx_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)

#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>
	11	*
	12	* This program is free software; you can redistribute it and/or modify
	13	* it under the terms of the GNU General Public License as published by
	14	* the Free Software Foundation; either version 2 of the License, or
	15	* (at your option) any later version.
	16	*
	17	* This program is distributed in the hope that it will be useful,
	18	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	* GNU General Public License for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License
	23	* along with this program; if not, write to the Free Software
	24	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	25	*
	26	*/
	27
c49f34bc TL	28	#include "omap24xx.h"
	29	#include "omap34xx.h"
	30	#include "omap44xx.h"
	31	#include "ti81xx.h"
	32	#include "am33xx.h"
	33	#include "omap54xx.h"
e4c060db TL	34
	35	#ifndef __ASSEMBLY__
	36
	37	#include <linux/bitops.h>
	38
	39	/*
	40	* Test if multicore OMAP support is needed
	41	*/
	42	#undef MULTI_OMAP2
	43	#undef OMAP_NAME
	44
816a65ef TL	45	#ifdef CONFIG_ARCH_MULTIPLATFORM
	46	#define MULTI_OMAP2
	47	#endif
e4c060db TL	48	#ifdef CONFIG_SOC_OMAP2420
	49	# ifdef OMAP_NAME
	50	# undef MULTI_OMAP2
	51	# define MULTI_OMAP2
	52	# else
	53	# define OMAP_NAME omap2420
	54	# endif
	55	#endif
	56	#ifdef CONFIG_SOC_OMAP2430
	57	# ifdef OMAP_NAME
	58	# undef MULTI_OMAP2
	59	# define MULTI_OMAP2
	60	# else
	61	# define OMAP_NAME omap2430
	62	# endif
	63	#endif
	64	#ifdef CONFIG_ARCH_OMAP3
	65	# ifdef OMAP_NAME
	66	# undef MULTI_OMAP2
	67	# define MULTI_OMAP2
	68	# else
	69	# define OMAP_NAME omap3
	70	# endif
	71	#endif
	72	#ifdef CONFIG_ARCH_OMAP4
	73	# ifdef OMAP_NAME
	74	# undef MULTI_OMAP2
	75	# define MULTI_OMAP2
	76	# else
	77	# define OMAP_NAME omap4
	78	# endif
	79	#endif
	80
	81	#ifdef CONFIG_SOC_OMAP5
	82	# ifdef OMAP_NAME
	83	# undef MULTI_OMAP2
	84	# define MULTI_OMAP2
	85	# else
	86	# define OMAP_NAME omap5
	87	# endif
	88	#endif
	89
	90	#ifdef CONFIG_SOC_AM33XX
	91	# ifdef OMAP_NAME
	92	# undef MULTI_OMAP2
	93	# define MULTI_OMAP2
	94	# else
	95	# define OMAP_NAME am33xx
	96	# endif
	97	#endif
	98
	99	/*
	100	* Omap device type i.e. EMU/HS/TST/GP/BAD
	101	*/
	102	#define OMAP2_DEVICE_TYPE_TEST 0
	103	#define OMAP2_DEVICE_TYPE_EMU 1
	104	#define OMAP2_DEVICE_TYPE_SEC 2
	105	#define OMAP2_DEVICE_TYPE_GP 3
	106	#define OMAP2_DEVICE_TYPE_BAD 4
	107
	108	int omap_type(void);
	109
	110	/*
	111	* omap_rev bits:
112	* CPU id bits (0730, 1510, 1710, 2422...) [31:16]
113	* CPU revision (See _REV_ defined in cpu.h) [15:08]
114	* CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
115	*/
116	unsigned int omap_rev(void);
117
816a65ef TL	118	static inline int soc_is_omap(void)
	119	{
	120	return omap_rev() != 0;
	121	}
	122
e4c060db TL	123	/*
	124	* Get the CPU revision for OMAP devices
	125	*/
	126	#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
	127
	128	/*
	129	* Macros to group OMAP into cpu classes.
	130	* These can be used in most places.
	131	* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
	132	* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
	133	* cpu_is_omap243x(): True for OMAP2430
	134	* cpu_is_omap343x(): True for OMAP3430
	135	* cpu_is_omap443x(): True for OMAP4430
	136	* cpu_is_omap446x(): True for OMAP4460
	137	* cpu_is_omap447x(): True for OMAP4470
	138	* soc_is_omap543x(): True for OMAP5430, OMAP5432
	139	*/
	140	#define GET_OMAP_CLASS (omap_rev() & 0xff)
	141
	142	#define IS_OMAP_CLASS(class, id) \
	143	static inline int is_omap ##class (void) \
	144	{ \
	145	return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
	146	}
	147
	148	#define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
	149
	150	#define IS_AM_CLASS(class, id) \
	151	static inline int is_am ##class (void) \
	152	{ \
	153	return (GET_AM_CLASS == (id)) ? 1 : 0; \
	154	}
	155
	156	#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
	157
	158	#define IS_TI_CLASS(class, id) \
	159	static inline int is_ti ##class (void) \
	160	{ \
	161	return (GET_TI_CLASS == (id)) ? 1 : 0; \
	162	}
	163
	164	#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
	165
	166	#define IS_OMAP_SUBCLASS(subclass, id) \
	167	static inline int is_omap ##subclass (void) \
	168	{ \
	169	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	170	}
	171
	172	#define IS_TI_SUBCLASS(subclass, id) \
	173	static inline int is_ti ##subclass (void) \
	174	{ \
	175	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	176	}
	177
	178	#define IS_AM_SUBCLASS(subclass, id) \
	179	static inline int is_am ##subclass (void) \
	180	{ \
	181	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	182	}
	183
	184	IS_OMAP_CLASS(24xx, 0x24)
	185	IS_OMAP_CLASS(34xx, 0x34)
	186	IS_OMAP_CLASS(44xx, 0x44)
187	IS_AM_CLASS(35xx, 0x35)
188	IS_OMAP_CLASS(54xx, 0x54)
189	IS_AM_CLASS(33xx, 0x33)
190
191	IS_TI_CLASS(81xx, 0x81)
192
193	IS_OMAP_SUBCLASS(242x, 0x242)
194	IS_OMAP_SUBCLASS(243x, 0x243)
195	IS_OMAP_SUBCLASS(343x, 0x343)
196	IS_OMAP_SUBCLASS(363x, 0x363)
197	IS_OMAP_SUBCLASS(443x, 0x443)
198	IS_OMAP_SUBCLASS(446x, 0x446)
199	IS_OMAP_SUBCLASS(447x, 0x447)
200	IS_OMAP_SUBCLASS(543x, 0x543)
201
202	IS_TI_SUBCLASS(816x, 0x816)
203	IS_TI_SUBCLASS(814x, 0x814)
204	IS_AM_SUBCLASS(335x, 0x335)
205
206	#define cpu_is_omap24xx() 0
207	#define cpu_is_omap242x() 0
208	#define cpu_is_omap243x() 0
209	#define cpu_is_omap34xx() 0
210	#define cpu_is_omap343x() 0
211	#define cpu_is_ti81xx() 0
212	#define cpu_is_ti816x() 0
213	#define cpu_is_ti814x() 0
214	#define soc_is_am35xx() 0
215	#define soc_is_am33xx() 0
216	#define soc_is_am335x() 0
217	#define cpu_is_omap44xx() 0
218	#define cpu_is_omap443x() 0
219	#define cpu_is_omap446x() 0
220	#define cpu_is_omap447x() 0
221	#define soc_is_omap54xx() 0
222	#define soc_is_omap543x() 0
223
224	#if defined(MULTI_OMAP2)
225	# if defined(CONFIG_ARCH_OMAP2)
226	# undef cpu_is_omap24xx
227	# define cpu_is_omap24xx() is_omap24xx()
228	# endif
229	# if defined (CONFIG_SOC_OMAP2420)
230	# undef cpu_is_omap242x
231	# define cpu_is_omap242x() is_omap242x()
232	# endif
233	# if defined (CONFIG_SOC_OMAP2430)
234	# undef cpu_is_omap243x
235	# define cpu_is_omap243x() is_omap243x()
236	# endif
237	# if defined(CONFIG_ARCH_OMAP3)
238	# undef cpu_is_omap34xx
239	# undef cpu_is_omap343x
240	# define cpu_is_omap34xx() is_omap34xx()
241	# define cpu_is_omap343x() is_omap343x()
242	# endif
243	#else
244	# if defined(CONFIG_ARCH_OMAP2)
245	# undef cpu_is_omap24xx
246	# define cpu_is_omap24xx() 1
247	# endif
248	# if defined(CONFIG_SOC_OMAP2420)
249	# undef cpu_is_omap242x
250	# define cpu_is_omap242x() 1
251	# endif
252	# if defined(CONFIG_SOC_OMAP2430)
253	# undef cpu_is_omap243x
254	# define cpu_is_omap243x() 1
255	# endif
256	# if defined(CONFIG_ARCH_OMAP3)
257	# undef cpu_is_omap34xx
258	# define cpu_is_omap34xx() 1
259	# endif
260	# if defined(CONFIG_SOC_OMAP3430)
261	# undef cpu_is_omap343x
262	# define cpu_is_omap343x() 1
263	# endif
264	#endif
265
266	/*
267	* Macros to detect individual cpu types.
268	* These are only rarely needed.
269	* cpu_is_omap2420(): True for OMAP2420
270	* cpu_is_omap2422(): True for OMAP2422
271	* cpu_is_omap2423(): True for OMAP2423
272	* cpu_is_omap2430(): True for OMAP2430
273	* cpu_is_omap3430(): True for OMAP3430
274	*/
275	#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
276
277	#define IS_OMAP_TYPE(type, id) \
278	static inline int is_omap ##type (void) \
279	{ \
280	return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
281	}
282
283	IS_OMAP_TYPE(2420, 0x2420)
284	IS_OMAP_TYPE(2422, 0x2422)
285	IS_OMAP_TYPE(2423, 0x2423)
286	IS_OMAP_TYPE(2430, 0x2430)
287	IS_OMAP_TYPE(3430, 0x3430)
288
289	#define cpu_is_omap2420() 0
290	#define cpu_is_omap2422() 0
291	#define cpu_is_omap2423() 0
292	#define cpu_is_omap2430() 0
293	#define cpu_is_omap3430() 0
294	#define cpu_is_omap3630() 0
295	#define soc_is_omap5430() 0
296
297	/* These are needed for the common code */
298	#ifdef CONFIG_ARCH_OMAP2PLUS
299	#define cpu_is_omap7xx() 0
300	#define cpu_is_omap15xx() 0
301	#define cpu_is_omap16xx() 0
302	#define cpu_is_omap1510() 0
303	#define cpu_is_omap1610() 0
304	#define cpu_is_omap1611() 0
305	#define cpu_is_omap1621() 0
306	#define cpu_is_omap1710() 0
307	#define cpu_class_is_omap1() 0
308	#define cpu_class_is_omap2() 1
309	#endif
310
311	#if defined(CONFIG_ARCH_OMAP2)
312	# undef cpu_is_omap2420
313	# undef cpu_is_omap2422
314	# undef cpu_is_omap2423
315	# undef cpu_is_omap2430
316	# define cpu_is_omap2420() is_omap2420()
317	# define cpu_is_omap2422() is_omap2422()
318	# define cpu_is_omap2423() is_omap2423()
319	# define cpu_is_omap2430() is_omap2430()
320	#endif
321
322	#if defined(CONFIG_ARCH_OMAP3)
323	# undef cpu_is_omap3430
324	# undef cpu_is_ti81xx
325	# undef cpu_is_ti816x
326	# undef cpu_is_ti814x
327	# undef soc_is_am35xx
328	# define cpu_is_omap3430() is_omap3430()
329	# undef cpu_is_omap3630
330	# define cpu_is_omap3630() is_omap363x()
331	# define cpu_is_ti81xx() is_ti81xx()
332	# define cpu_is_ti816x() is_ti816x()
333	# define cpu_is_ti814x() is_ti814x()
334	# define soc_is_am35xx() is_am35xx()
335	#endif
336
337	# if defined(CONFIG_SOC_AM33XX)
338	# undef soc_is_am33xx
339	# undef soc_is_am335x
340	# define soc_is_am33xx() is_am33xx()
341	# define soc_is_am335x() is_am335x()
342	#endif
343
344	# if defined(CONFIG_ARCH_OMAP4)
345	# undef cpu_is_omap44xx
346	# undef cpu_is_omap443x
347	# undef cpu_is_omap446x
348	# undef cpu_is_omap447x
349	# define cpu_is_omap44xx() is_omap44xx()
350	# define cpu_is_omap443x() is_omap443x()
351	# define cpu_is_omap446x() is_omap446x()
352	# define cpu_is_omap447x() is_omap447x()
353	# endif
354
355	# if defined(CONFIG_SOC_OMAP5)
356	# undef soc_is_omap54xx
357	# undef soc_is_omap543x
358	# define soc_is_omap54xx() is_omap54xx()
359	# define soc_is_omap543x() is_omap543x()
360	#endif
361
362	/* Various silicon revisions for omap2 */
363	#define OMAP242X_CLASS 0x24200024
364	#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
365	#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS \| (0x1 << 8))
366
367	#define OMAP243X_CLASS 0x24300024
368	#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
369
370	#define OMAP343X_CLASS 0x34300034
371	#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
372	#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS \| (0x1 << 8))
373	#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS \| (0x2 << 8))
374	#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS \| (0x3 << 8))
375	#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS \| (0x4 << 8))
376	#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS \| (0x5 << 8))
377
378	#define OMAP363X_CLASS 0x36300034
379	#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
380	#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS \| (0x1 << 8))
381	#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS \| (0x2 << 8))
382
383	#define TI816X_CLASS 0x81600034
384	#define TI8168_REV_ES1_0 TI816X_CLASS
385	#define TI8168_REV_ES1_1 (TI816X_CLASS \| (0x1 << 8))
386
387	#define TI814X_CLASS 0x81400034
388	#define TI8148_REV_ES1_0 TI814X_CLASS
389	#define TI8148_REV_ES2_0 (TI814X_CLASS \| (0x1 << 8))
390	#define TI8148_REV_ES2_1 (TI814X_CLASS \| (0x2 << 8))
391
392	#define AM35XX_CLASS 0x35170034
393	#define AM35XX_REV_ES1_0 AM35XX_CLASS
394	#define AM35XX_REV_ES1_1 (AM35XX_CLASS \| (0x1 << 8))
395
396	#define AM335X_CLASS 0x33500033
397	#define AM335X_REV_ES1_0 AM335X_CLASS
5af044f4	398	#define AM335X_REV_ES2_0 (AM335X_CLASS \| (0x1 << 8))
d240ef30	399	#define AM335X_REV_ES2_1 (AM335X_CLASS \| (0x2 << 8))
e4c060db TL	400
	401	#define OMAP443X_CLASS 0x44300044
	402	#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS \| (0x10 << 8))
	403	#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS \| (0x20 << 8))
	404	#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS \| (0x21 << 8))
	405	#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS \| (0x22 << 8))
	406	#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS \| (0x23 << 8))
	407
	408	#define OMAP446X_CLASS 0x44600044
	409	#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS \| (0x10 << 8))
	410	#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS \| (0x11 << 8))
	411
	412	#define OMAP447X_CLASS 0x44700044
	413	#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS \| (0x10 << 8))
	414
	415	#define OMAP54XX_CLASS 0x54000054
	416	#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS \| (0x30 << 16) \| (0x10 << 8))
5a898a78	417	#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS \| (0x30 << 16) \| (0x20 << 8))
e4c060db	418	#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x10 << 8))
5a898a78	419	#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x20 << 8))
e4c060db TL	420
	421	void omap2xxx_check_revision(void);
	422	void omap3xxx_check_revision(void);
	423	void omap4xxx_check_revision(void);
	424	void omap5xxx_check_revision(void);
	425	void omap3xxx_check_features(void);
	426	void ti81xx_check_features(void);
	427	void omap4xxx_check_features(void);
	428
	429	/*
	430	* Runtime detection of OMAP3 features
	431	*
	432	* OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
	433	* family have OS-level control over the I/O chain clock. This is
	434	* to avoid a window during which wakeups could potentially be lost
	435	* during powerdomain transitions. If this bit is set, it
	436	* indicates that the chip does support OS-level control of this
	437	* feature.
	438	*/
	439	extern u32 omap_features;
	440
	441	#define OMAP3_HAS_L2CACHE BIT(0)
	442	#define OMAP3_HAS_IVA BIT(1)
	443	#define OMAP3_HAS_SGX BIT(2)
	444	#define OMAP3_HAS_NEON BIT(3)
	445	#define OMAP3_HAS_ISP BIT(4)
	446	#define OMAP3_HAS_192MHZ_CLK BIT(5)
	447	#define OMAP3_HAS_IO_WAKEUP BIT(6)
	448	#define OMAP3_HAS_SDRC BIT(7)
	449	#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
42a1cc9c	450	#define OMAP4_HAS_PERF_SILICON BIT(9)
e4c060db TL	451
	452
	453	#define OMAP3_HAS_FEATURE(feat,flag) \
	454	static inline unsigned int omap3_has_ ##feat(void) \
	455	{ \
	456	return omap_features & OMAP3_HAS_ ##flag; \
	457	} \
	458
	459	OMAP3_HAS_FEATURE(l2cache, L2CACHE)
	460	OMAP3_HAS_FEATURE(sgx, SGX)
	461	OMAP3_HAS_FEATURE(iva, IVA)
	462	OMAP3_HAS_FEATURE(neon, NEON)
	463	OMAP3_HAS_FEATURE(isp, ISP)
	464	OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
	465	OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
	466	OMAP3_HAS_FEATURE(sdrc, SDRC)
	467	OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
	468
	469	/*
	470	* Runtime detection of OMAP4 features
	471	*/
	472	#define OMAP4_HAS_FEATURE(feat, flag) \
	473	static inline unsigned int omap4_has_ ##feat(void) \
	474	{ \
	475	return omap_features & OMAP4_HAS_ ##flag; \
	476	} \
	477
42a1cc9c	478	OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
e4c060db	479
816a65ef TL	480	/*
	481	* We need to make sure omap initcalls don't run when
	482	* multiplatform kernels are booted on other SoCs.
	483	*/
	484	#define omap_initcall(level, fn) \
	485	static int __init __used __##fn(void) \
	486	{ \
	487	if (!soc_is_omap()) \
	488	return 0; \
	489	return fn(); \
	490	} \
	491	level(__##fn);
	492
	493	#define omap_early_initcall(fn) omap_initcall(early_initcall, fn)
	494	#define omap_core_initcall(fn) omap_initcall(core_initcall, fn)
	495	#define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn)
	496	#define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn)
	497	#define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn)
	498	#define omap_device_initcall(fn) omap_initcall(device_initcall, fn)
	499	#define omap_late_initcall(fn) omap_initcall(late_initcall, fn)
e7e17c53	500	#define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn)
816a65ef	501
e4c060db TL	502	#endif /* __ASSEMBLY__ */
e4c060db TL	503