[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

#ifdef CONFIG_SOC_AM43XX
# ifdef OMAP_NAME
#  undef  MULTI_OMAP2
#  define MULTI_OMAP2
# else
#  define OMAP_NAME am43xx
# 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_AM_CLASS(43xx, 0x43)

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)
IS_AM_SUBCLASS(437x, 0x437)

#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 soc_is_am43xx()			0
#define soc_is_am437x()			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

#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 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 TI8168_REV_ES2_0	(TI816X_CLASS | (0x2 << 8))
#define TI8168_REV_ES2_1	(TI816X_CLASS | (0x3 << 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 AM437X_CLASS		0x43700000
#define AM437X_REV_ES1_0	AM437X_CLASS

#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 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)

#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
c664d0a9 AM	99	#ifdef CONFIG_SOC_AM43XX
	100	# ifdef OMAP_NAME
	101	# undef MULTI_OMAP2
	102	# define MULTI_OMAP2
	103	# else
	104	# define OMAP_NAME am43xx
	105	# endif
	106	#endif
	107
e4c060db TL	108	/*
	109	* Omap device type i.e. EMU/HS/TST/GP/BAD
	110	*/
	111	#define OMAP2_DEVICE_TYPE_TEST 0
	112	#define OMAP2_DEVICE_TYPE_EMU 1
	113	#define OMAP2_DEVICE_TYPE_SEC 2
	114	#define OMAP2_DEVICE_TYPE_GP 3
	115	#define OMAP2_DEVICE_TYPE_BAD 4
	116
	117	int omap_type(void);
	118
	119	/*
	120	* omap_rev bits:
	121	* CPU id bits (0730, 1510, 1710, 2422...) [31:16]
	122	* CPU revision (See _REV_ defined in cpu.h) [15:08]
	123	* CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
	124	*/
	125	unsigned int omap_rev(void);
	126
816a65ef TL	127	static inline int soc_is_omap(void)
	128	{
	129	return omap_rev() != 0;
	130	}
	131
e4c060db TL	132	/*
	133	* Get the CPU revision for OMAP devices
	134	*/
	135	#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
	136
	137	/*
	138	* Macros to group OMAP into cpu classes.
	139	* These can be used in most places.
	140	* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
	141	* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
	142	* cpu_is_omap243x(): True for OMAP2430
	143	* cpu_is_omap343x(): True for OMAP3430
	144	* cpu_is_omap443x(): True for OMAP4430
	145	* cpu_is_omap446x(): True for OMAP4460
	146	* cpu_is_omap447x(): True for OMAP4470
	147	* soc_is_omap543x(): True for OMAP5430, OMAP5432
	148	*/
	149	#define GET_OMAP_CLASS (omap_rev() & 0xff)
	150
	151	#define IS_OMAP_CLASS(class, id) \
	152	static inline int is_omap ##class (void) \
	153	{ \
	154	return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
	155	}
	156
	157	#define GET_AM_CLASS ((omap_rev() >> 24) & 0xff)
	158
	159	#define IS_AM_CLASS(class, id) \
	160	static inline int is_am ##class (void) \
	161	{ \
	162	return (GET_AM_CLASS == (id)) ? 1 : 0; \
	163	}
	164
	165	#define GET_TI_CLASS ((omap_rev() >> 24) & 0xff)
	166
	167	#define IS_TI_CLASS(class, id) \
	168	static inline int is_ti ##class (void) \
	169	{ \
	170	return (GET_TI_CLASS == (id)) ? 1 : 0; \
	171	}
	172
	173	#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff)
	174
	175	#define IS_OMAP_SUBCLASS(subclass, id) \
	176	static inline int is_omap ##subclass (void) \
	177	{ \
	178	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	179	}
	180
	181	#define IS_TI_SUBCLASS(subclass, id) \
	182	static inline int is_ti ##subclass (void) \
	183	{ \
	184	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	185	}
	186
	187	#define IS_AM_SUBCLASS(subclass, id) \
	188	static inline int is_am ##subclass (void) \
	189	{ \
	190	return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
	191	}
	192
	193	IS_OMAP_CLASS(24xx, 0x24)
	194	IS_OMAP_CLASS(34xx, 0x34)
	195	IS_OMAP_CLASS(44xx, 0x44)
196	IS_AM_CLASS(35xx, 0x35)
197	IS_OMAP_CLASS(54xx, 0x54)
198	IS_AM_CLASS(33xx, 0x33)
c664d0a9	199	IS_AM_CLASS(43xx, 0x43)
e4c060db TL	200
	201	IS_TI_CLASS(81xx, 0x81)
	202
	203	IS_OMAP_SUBCLASS(242x, 0x242)
	204	IS_OMAP_SUBCLASS(243x, 0x243)
	205	IS_OMAP_SUBCLASS(343x, 0x343)
	206	IS_OMAP_SUBCLASS(363x, 0x363)
	207	IS_OMAP_SUBCLASS(443x, 0x443)
	208	IS_OMAP_SUBCLASS(446x, 0x446)
	209	IS_OMAP_SUBCLASS(447x, 0x447)
	210	IS_OMAP_SUBCLASS(543x, 0x543)
	211
	212	IS_TI_SUBCLASS(816x, 0x816)
	213	IS_TI_SUBCLASS(814x, 0x814)
	214	IS_AM_SUBCLASS(335x, 0x335)
c664d0a9	215	IS_AM_SUBCLASS(437x, 0x437)
e4c060db TL	216
	217	#define cpu_is_omap24xx() 0
	218	#define cpu_is_omap242x() 0
	219	#define cpu_is_omap243x() 0
	220	#define cpu_is_omap34xx() 0
	221	#define cpu_is_omap343x() 0
	222	#define cpu_is_ti81xx() 0
	223	#define cpu_is_ti816x() 0
	224	#define cpu_is_ti814x() 0
	225	#define soc_is_am35xx() 0
	226	#define soc_is_am33xx() 0
	227	#define soc_is_am335x() 0
c664d0a9 AM	228	#define soc_is_am43xx() 0
c664d0a9 AM	229	#define soc_is_am437x() 0
e4c060db TL	230	#define cpu_is_omap44xx() 0
	231	#define cpu_is_omap443x() 0
	232	#define cpu_is_omap446x() 0
	233	#define cpu_is_omap447x() 0
	234	#define soc_is_omap54xx() 0
	235	#define soc_is_omap543x() 0
	236
	237	#if defined(MULTI_OMAP2)
	238	# if defined(CONFIG_ARCH_OMAP2)
	239	# undef cpu_is_omap24xx
	240	# define cpu_is_omap24xx() is_omap24xx()
	241	# endif
	242	# if defined (CONFIG_SOC_OMAP2420)
	243	# undef cpu_is_omap242x
	244	# define cpu_is_omap242x() is_omap242x()
	245	# endif
	246	# if defined (CONFIG_SOC_OMAP2430)
	247	# undef cpu_is_omap243x
	248	# define cpu_is_omap243x() is_omap243x()
	249	# endif
	250	# if defined(CONFIG_ARCH_OMAP3)
	251	# undef cpu_is_omap34xx
	252	# undef cpu_is_omap343x
	253	# define cpu_is_omap34xx() is_omap34xx()
	254	# define cpu_is_omap343x() is_omap343x()
	255	# endif
	256	#else
	257	# if defined(CONFIG_ARCH_OMAP2)
	258	# undef cpu_is_omap24xx
	259	# define cpu_is_omap24xx() 1
	260	# endif
	261	# if defined(CONFIG_SOC_OMAP2420)
	262	# undef cpu_is_omap242x
	263	# define cpu_is_omap242x() 1
	264	# endif
	265	# if defined(CONFIG_SOC_OMAP2430)
	266	# undef cpu_is_omap243x
	267	# define cpu_is_omap243x() 1
	268	# endif
	269	# if defined(CONFIG_ARCH_OMAP3)
	270	# undef cpu_is_omap34xx
	271	# define cpu_is_omap34xx() 1
	272	# endif
	273	# if defined(CONFIG_SOC_OMAP3430)
	274	# undef cpu_is_omap343x
	275	# define cpu_is_omap343x() 1
	276	# endif
	277	#endif
	278
	279	/*
	280	* Macros to detect individual cpu types.
	281	* These are only rarely needed.
	282	* cpu_is_omap2420(): True for OMAP2420
	283	* cpu_is_omap2422(): True for OMAP2422
	284	* cpu_is_omap2423(): True for OMAP2423
	285	* cpu_is_omap2430(): True for OMAP2430
	286	* cpu_is_omap3430(): True for OMAP3430
	287	*/
	288	#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff)
	289
	290	#define IS_OMAP_TYPE(type, id) \
	291	static inline int is_omap ##type (void) \
	292	{ \
	293	return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
294	}
295
296	IS_OMAP_TYPE(2420, 0x2420)
297	IS_OMAP_TYPE(2422, 0x2422)
298	IS_OMAP_TYPE(2423, 0x2423)
299	IS_OMAP_TYPE(2430, 0x2430)
300	IS_OMAP_TYPE(3430, 0x3430)
301
302	#define cpu_is_omap2420() 0
303	#define cpu_is_omap2422() 0
304	#define cpu_is_omap2423() 0
305	#define cpu_is_omap2430() 0
306	#define cpu_is_omap3430() 0
307	#define cpu_is_omap3630() 0
308	#define soc_is_omap5430() 0
309
310	/* These are needed for the common code */
311	#ifdef CONFIG_ARCH_OMAP2PLUS
312	#define cpu_is_omap7xx() 0
313	#define cpu_is_omap15xx() 0
314	#define cpu_is_omap16xx() 0
315	#define cpu_is_omap1510() 0
316	#define cpu_is_omap1610() 0
317	#define cpu_is_omap1611() 0
318	#define cpu_is_omap1621() 0
319	#define cpu_is_omap1710() 0
320	#define cpu_class_is_omap1() 0
321	#define cpu_class_is_omap2() 1
322	#endif
323
324	#if defined(CONFIG_ARCH_OMAP2)
325	# undef cpu_is_omap2420
326	# undef cpu_is_omap2422
327	# undef cpu_is_omap2423
328	# undef cpu_is_omap2430
329	# define cpu_is_omap2420() is_omap2420()
330	# define cpu_is_omap2422() is_omap2422()
331	# define cpu_is_omap2423() is_omap2423()
332	# define cpu_is_omap2430() is_omap2430()
333	#endif
334
335	#if defined(CONFIG_ARCH_OMAP3)
336	# undef cpu_is_omap3430
337	# undef cpu_is_ti81xx
338	# undef cpu_is_ti816x
339	# undef cpu_is_ti814x
340	# undef soc_is_am35xx
341	# define cpu_is_omap3430() is_omap3430()
342	# undef cpu_is_omap3630
343	# define cpu_is_omap3630() is_omap363x()
344	# define cpu_is_ti81xx() is_ti81xx()
345	# define cpu_is_ti816x() is_ti816x()
346	# define cpu_is_ti814x() is_ti814x()
347	# define soc_is_am35xx() is_am35xx()
348	#endif
349
350	# if defined(CONFIG_SOC_AM33XX)
351	# undef soc_is_am33xx
352	# undef soc_is_am335x
353	# define soc_is_am33xx() is_am33xx()
354	# define soc_is_am335x() is_am335x()
355	#endif
356
c664d0a9 AM	357	#ifdef CONFIG_SOC_AM43XX
	358	# undef soc_is_am43xx
	359	# undef soc_is_am437x
	360	# define soc_is_am43xx() is_am43xx()
	361	# define soc_is_am437x() is_am437x()
	362	#endif
	363
e4c060db TL	364	# if defined(CONFIG_ARCH_OMAP4)
	365	# undef cpu_is_omap44xx
	366	# undef cpu_is_omap443x
	367	# undef cpu_is_omap446x
	368	# undef cpu_is_omap447x
	369	# define cpu_is_omap44xx() is_omap44xx()
	370	# define cpu_is_omap443x() is_omap443x()
	371	# define cpu_is_omap446x() is_omap446x()
	372	# define cpu_is_omap447x() is_omap447x()
	373	# endif
	374
	375	# if defined(CONFIG_SOC_OMAP5)
	376	# undef soc_is_omap54xx
	377	# undef soc_is_omap543x
	378	# define soc_is_omap54xx() is_omap54xx()
	379	# define soc_is_omap543x() is_omap543x()
	380	#endif
	381
	382	/* Various silicon revisions for omap2 */
	383	#define OMAP242X_CLASS 0x24200024
	384	#define OMAP2420_REV_ES1_0 OMAP242X_CLASS
	385	#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS \| (0x1 << 8))
	386
	387	#define OMAP243X_CLASS 0x24300024
	388	#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
	389
	390	#define OMAP343X_CLASS 0x34300034
	391	#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
	392	#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS \| (0x1 << 8))
	393	#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS \| (0x2 << 8))
	394	#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS \| (0x3 << 8))
	395	#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS \| (0x4 << 8))
	396	#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS \| (0x5 << 8))
	397
	398	#define OMAP363X_CLASS 0x36300034
	399	#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
	400	#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS \| (0x1 << 8))
	401	#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS \| (0x2 << 8))
	402
	403	#define TI816X_CLASS 0x81600034
	404	#define TI8168_REV_ES1_0 TI816X_CLASS
	405	#define TI8168_REV_ES1_1 (TI816X_CLASS \| (0x1 << 8))
a5f93d9d AM	406	#define TI8168_REV_ES2_0 (TI816X_CLASS \| (0x2 << 8))
a5f93d9d AM	407	#define TI8168_REV_ES2_1 (TI816X_CLASS \| (0x3 << 8))
e4c060db TL	408
	409	#define TI814X_CLASS 0x81400034
	410	#define TI8148_REV_ES1_0 TI814X_CLASS
	411	#define TI8148_REV_ES2_0 (TI814X_CLASS \| (0x1 << 8))
	412	#define TI8148_REV_ES2_1 (TI814X_CLASS \| (0x2 << 8))
	413
	414	#define AM35XX_CLASS 0x35170034
	415	#define AM35XX_REV_ES1_0 AM35XX_CLASS
	416	#define AM35XX_REV_ES1_1 (AM35XX_CLASS \| (0x1 << 8))
	417
	418	#define AM335X_CLASS 0x33500033
	419	#define AM335X_REV_ES1_0 AM335X_CLASS
5af044f4	420	#define AM335X_REV_ES2_0 (AM335X_CLASS \| (0x1 << 8))
d240ef30	421	#define AM335X_REV_ES2_1 (AM335X_CLASS \| (0x2 << 8))
e4c060db	422
c664d0a9 AM	423	#define AM437X_CLASS 0x43700000
	424	#define AM437X_REV_ES1_0 AM437X_CLASS
	425
e4c060db TL	426	#define OMAP443X_CLASS 0x44300044
	427	#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS \| (0x10 << 8))
	428	#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS \| (0x20 << 8))
	429	#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS \| (0x21 << 8))
	430	#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS \| (0x22 << 8))
	431	#define OMAP4430_REV_ES2_3 (OMAP443X_CLASS \| (0x23 << 8))
	432
	433	#define OMAP446X_CLASS 0x44600044
	434	#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS \| (0x10 << 8))
	435	#define OMAP4460_REV_ES1_1 (OMAP446X_CLASS \| (0x11 << 8))
	436
	437	#define OMAP447X_CLASS 0x44700044
	438	#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS \| (0x10 << 8))
	439
	440	#define OMAP54XX_CLASS 0x54000054
	441	#define OMAP5430_REV_ES1_0 (OMAP54XX_CLASS \| (0x30 << 16) \| (0x10 << 8))
5a898a78	442	#define OMAP5430_REV_ES2_0 (OMAP54XX_CLASS \| (0x30 << 16) \| (0x20 << 8))
e4c060db	443	#define OMAP5432_REV_ES1_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x10 << 8))
5a898a78	444	#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x20 << 8))
e4c060db TL	445
	446	void omap2xxx_check_revision(void);
	447	void omap3xxx_check_revision(void);
	448	void omap4xxx_check_revision(void);
	449	void omap5xxx_check_revision(void);
	450	void omap3xxx_check_features(void);
	451	void ti81xx_check_features(void);
7bcad170	452	void am33xx_check_features(void);
e4c060db TL	453	void omap4xxx_check_features(void);
	454
	455	/*
	456	* Runtime detection of OMAP3 features
	457	*
	458	* OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
	459	* family have OS-level control over the I/O chain clock. This is
	460	* to avoid a window during which wakeups could potentially be lost
	461	* during powerdomain transitions. If this bit is set, it
	462	* indicates that the chip does support OS-level control of this
	463	* feature.
	464	*/
	465	extern u32 omap_features;
	466
	467	#define OMAP3_HAS_L2CACHE BIT(0)
	468	#define OMAP3_HAS_IVA BIT(1)
	469	#define OMAP3_HAS_SGX BIT(2)
	470	#define OMAP3_HAS_NEON BIT(3)
	471	#define OMAP3_HAS_ISP BIT(4)
	472	#define OMAP3_HAS_192MHZ_CLK BIT(5)
	473	#define OMAP3_HAS_IO_WAKEUP BIT(6)
	474	#define OMAP3_HAS_SDRC BIT(7)
	475	#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
42a1cc9c	476	#define OMAP4_HAS_PERF_SILICON BIT(9)
e4c060db TL	477
	478
	479	#define OMAP3_HAS_FEATURE(feat,flag) \
	480	static inline unsigned int omap3_has_ ##feat(void) \
	481	{ \
	482	return omap_features & OMAP3_HAS_ ##flag; \
	483	} \
	484
	485	OMAP3_HAS_FEATURE(l2cache, L2CACHE)
	486	OMAP3_HAS_FEATURE(sgx, SGX)
	487	OMAP3_HAS_FEATURE(iva, IVA)
	488	OMAP3_HAS_FEATURE(neon, NEON)
	489	OMAP3_HAS_FEATURE(isp, ISP)
	490	OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
	491	OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
	492	OMAP3_HAS_FEATURE(sdrc, SDRC)
	493	OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
	494
	495	/*
	496	* Runtime detection of OMAP4 features
	497	*/
	498	#define OMAP4_HAS_FEATURE(feat, flag) \
	499	static inline unsigned int omap4_has_ ##feat(void) \
	500	{ \
	501	return omap_features & OMAP4_HAS_ ##flag; \
	502	} \
	503
42a1cc9c	504	OMAP4_HAS_FEATURE(perf_silicon, PERF_SILICON)
e4c060db	505
816a65ef TL	506	/*
	507	* We need to make sure omap initcalls don't run when
	508	* multiplatform kernels are booted on other SoCs.
	509	*/
	510	#define omap_initcall(level, fn) \
	511	static int __init __used __##fn(void) \
	512	{ \
	513	if (!soc_is_omap()) \
	514	return 0; \
	515	return fn(); \
	516	} \
	517	level(__##fn);
	518
	519	#define omap_early_initcall(fn) omap_initcall(early_initcall, fn)
	520	#define omap_core_initcall(fn) omap_initcall(core_initcall, fn)
	521	#define omap_postcore_initcall(fn) omap_initcall(postcore_initcall, fn)
	522	#define omap_arch_initcall(fn) omap_initcall(arch_initcall, fn)
	523	#define omap_subsys_initcall(fn) omap_initcall(subsys_initcall, fn)
	524	#define omap_device_initcall(fn) omap_initcall(device_initcall, fn)
	525	#define omap_late_initcall(fn) omap_initcall(late_initcall, fn)
e7e17c53	526	#define omap_late_initcall_sync(fn) omap_initcall(late_initcall_sync, fn)
816a65ef	527
e4c060db TL	528	#endif /* __ASSEMBLY__ */
e4c060db TL	529