arch/arm/plat-omap/include/plat/cpu.h - kernel/msm-4.19 - Gitiles

 /*
  * arch/arm/plat-omap/include/mach/cpu.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
  *
  */

 #ifndef __ASM_ARCH_OMAP_CPU_H
 #define __ASM_ARCH_OMAP_CPU_H

 #ifndef __ASSEMBLY__

 #include <linux/bitops.h>
 #include <plat/multi.h>

 /*
  * 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);

 /*
  * 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_omap7xx():	True for OMAP730, OMAP850
  * cpu_is_omap15xx():	True for OMAP1510, OMAP5910 and OMAP310
  * cpu_is_omap16xx():	True for OMAP1610, OMAP5912 and OMAP1710
  * 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(7xx, 0x07)
 IS_OMAP_CLASS(15xx, 0x15)
 IS_OMAP_CLASS(16xx, 0x16)
 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_omap7xx()		0
 #define cpu_is_omap15xx()		0
 #define cpu_is_omap16xx()		0
 #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_OMAP1)
 # if defined(CONFIG_ARCH_OMAP730)
 #  undef  cpu_is_omap7xx
 #  define cpu_is_omap7xx()		is_omap7xx()
 # endif
 # if defined(CONFIG_ARCH_OMAP850)
 #  undef  cpu_is_omap7xx
 #  define cpu_is_omap7xx()		is_omap7xx()
 # endif
 # if defined(CONFIG_ARCH_OMAP15XX)
 #  undef  cpu_is_omap15xx
 #  define cpu_is_omap15xx()		is_omap15xx()
 # endif
 # if defined(CONFIG_ARCH_OMAP16XX)
 #  undef  cpu_is_omap16xx
 #  define cpu_is_omap16xx()		is_omap16xx()
 # endif
 #else
 # if defined(CONFIG_ARCH_OMAP730)
 #  undef  cpu_is_omap7xx
 #  define cpu_is_omap7xx()		1
 # endif
 # if defined(CONFIG_ARCH_OMAP850)
 #  undef  cpu_is_omap7xx
 #  define cpu_is_omap7xx()		1
 # endif
 # if defined(CONFIG_ARCH_OMAP15XX)
 #  undef  cpu_is_omap15xx
 #  define cpu_is_omap15xx()		1
 # endif
 # if defined(CONFIG_ARCH_OMAP16XX)
 #  undef  cpu_is_omap16xx
 #  define cpu_is_omap16xx()		1
 # endif
 #endif

 #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_omap310():	True for OMAP310
  * cpu_is_omap1510():	True for OMAP1510
  * cpu_is_omap1610():	True for OMAP1610
  * cpu_is_omap1611():	True for OMAP1611
  * cpu_is_omap5912():	True for OMAP5912
  * cpu_is_omap1621():	True for OMAP1621
  * cpu_is_omap1710():	True for OMAP1710
  * 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(310, 0x0310)
 IS_OMAP_TYPE(1510, 0x1510)
 IS_OMAP_TYPE(1610, 0x1610)
 IS_OMAP_TYPE(1611, 0x1611)
 IS_OMAP_TYPE(5912, 0x1611)
 IS_OMAP_TYPE(1621, 0x1621)
 IS_OMAP_TYPE(1710, 0x1710)
 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_omap310()		0
 #define cpu_is_omap1510()		0
 #define cpu_is_omap1610()		0
 #define cpu_is_omap5912()		0
 #define cpu_is_omap1611()		0
 #define cpu_is_omap1621()		0
 #define cpu_is_omap1710()		0
 #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

 /*
  * Whether we have MULTI_OMAP1 or not, we still need to distinguish
  * between 310 vs. 1510 and 1611B/5912 vs. 1710.
  */

 #if defined(CONFIG_ARCH_OMAP15XX)
 # undef  cpu_is_omap310
 # undef  cpu_is_omap1510
 # define cpu_is_omap310()		is_omap310()
 # define cpu_is_omap1510()		is_omap1510()
 #endif

 #if defined(CONFIG_ARCH_OMAP16XX)
 # undef  cpu_is_omap1610
 # undef  cpu_is_omap1611
 # undef  cpu_is_omap5912
 # undef  cpu_is_omap1621
 # undef  cpu_is_omap1710
 # define cpu_is_omap1610()		is_omap1610()
 # define cpu_is_omap1611()		is_omap1611()
 # define cpu_is_omap5912()		is_omap5912()
 # define cpu_is_omap1621()		is_omap1621()
 # define cpu_is_omap1710()		is_omap1710()
 #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

 /* Macros to detect if we have OMAP1 or OMAP2 */
 #define cpu_class_is_omap1()	(cpu_is_omap7xx() || cpu_is_omap15xx() || \
 				cpu_is_omap16xx())
 #define cpu_class_is_omap2()	(cpu_is_omap24xx() || cpu_is_omap34xx() || \
 				cpu_is_omap44xx() || soc_is_omap54xx() || \
 				soc_is_am33xx())

 /* 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 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 OMAP5432_REV_ES1_0	(OMAP54XX_CLASS | (0x32 << 16) | (0x10 << 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_MPU_1GHZ		BIT(9)
 #define OMAP4_HAS_MPU_1_2GHZ		BIT(10)
 #define OMAP4_HAS_MPU_1_5GHZ		BIT(11)


 #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(mpu_1ghz, MPU_1GHZ)
 OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
 OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)

 #endif	/* __ASSEMBLY__ */
 #endif
	/*
	* arch/arm/plat-omap/include/mach/cpu.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
	*
	*/

	#ifndef __ASM_ARCH_OMAP_CPU_H
	#define __ASM_ARCH_OMAP_CPU_H

	#ifndef __ASSEMBLY__

	#include <linux/bitops.h>
	#include <plat/multi.h>

	/*
	* 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);

	/*
	* 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_omap7xx(): True for OMAP730, OMAP850
	* cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
	* cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
	* 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(7xx, 0x07)
	IS_OMAP_CLASS(15xx, 0x15)
	IS_OMAP_CLASS(16xx, 0x16)
	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_omap7xx() 0
	#define cpu_is_omap15xx() 0
	#define cpu_is_omap16xx() 0
	#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_OMAP1)
	# if defined(CONFIG_ARCH_OMAP730)
	# undef cpu_is_omap7xx
	# define cpu_is_omap7xx() is_omap7xx()
	# endif
	# if defined(CONFIG_ARCH_OMAP850)
	# undef cpu_is_omap7xx
	# define cpu_is_omap7xx() is_omap7xx()
	# endif
	# if defined(CONFIG_ARCH_OMAP15XX)
	# undef cpu_is_omap15xx
	# define cpu_is_omap15xx() is_omap15xx()
	# endif
	# if defined(CONFIG_ARCH_OMAP16XX)
	# undef cpu_is_omap16xx
	# define cpu_is_omap16xx() is_omap16xx()
	# endif
	#else
	# if defined(CONFIG_ARCH_OMAP730)
	# undef cpu_is_omap7xx
	# define cpu_is_omap7xx() 1
	# endif
	# if defined(CONFIG_ARCH_OMAP850)
	# undef cpu_is_omap7xx
	# define cpu_is_omap7xx() 1
	# endif
	# if defined(CONFIG_ARCH_OMAP15XX)
	# undef cpu_is_omap15xx
	# define cpu_is_omap15xx() 1
	# endif
	# if defined(CONFIG_ARCH_OMAP16XX)
	# undef cpu_is_omap16xx
	# define cpu_is_omap16xx() 1
	# endif
	#endif

	#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_omap310(): True for OMAP310
	* cpu_is_omap1510(): True for OMAP1510
	* cpu_is_omap1610(): True for OMAP1610
	* cpu_is_omap1611(): True for OMAP1611
	* cpu_is_omap5912(): True for OMAP5912
	* cpu_is_omap1621(): True for OMAP1621
	* cpu_is_omap1710(): True for OMAP1710
	* 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(310, 0x0310)
	IS_OMAP_TYPE(1510, 0x1510)
	IS_OMAP_TYPE(1610, 0x1610)
	IS_OMAP_TYPE(1611, 0x1611)
	IS_OMAP_TYPE(5912, 0x1611)
	IS_OMAP_TYPE(1621, 0x1621)
	IS_OMAP_TYPE(1710, 0x1710)
	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_omap310() 0
	#define cpu_is_omap1510() 0
	#define cpu_is_omap1610() 0
	#define cpu_is_omap5912() 0
	#define cpu_is_omap1611() 0
	#define cpu_is_omap1621() 0
	#define cpu_is_omap1710() 0
	#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

	/*
	* Whether we have MULTI_OMAP1 or not, we still need to distinguish
	* between 310 vs. 1510 and 1611B/5912 vs. 1710.
	*/

	#if defined(CONFIG_ARCH_OMAP15XX)
	# undef cpu_is_omap310
	# undef cpu_is_omap1510
	# define cpu_is_omap310() is_omap310()
	# define cpu_is_omap1510() is_omap1510()
	#endif

	#if defined(CONFIG_ARCH_OMAP16XX)
	# undef cpu_is_omap1610
	# undef cpu_is_omap1611
	# undef cpu_is_omap5912
	# undef cpu_is_omap1621
	# undef cpu_is_omap1710
	# define cpu_is_omap1610() is_omap1610()
	# define cpu_is_omap1611() is_omap1611()
	# define cpu_is_omap5912() is_omap5912()
	# define cpu_is_omap1621() is_omap1621()
	# define cpu_is_omap1710() is_omap1710()
	#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

	/* Macros to detect if we have OMAP1 or OMAP2 */
	#define cpu_class_is_omap1() (cpu_is_omap7xx() \|\| cpu_is_omap15xx() \|\| \
	cpu_is_omap16xx())
	#define cpu_class_is_omap2() (cpu_is_omap24xx() \|\| cpu_is_omap34xx() \|\| \
	cpu_is_omap44xx() \|\| soc_is_omap54xx() \|\| \
	soc_is_am33xx())

	/* 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 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 OMAP5432_REV_ES1_0 (OMAP54XX_CLASS \| (0x32 << 16) \| (0x10 << 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_MPU_1GHZ BIT(9)
	#define OMAP4_HAS_MPU_1_2GHZ BIT(10)
	#define OMAP4_HAS_MPU_1_5GHZ BIT(11)


	#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(mpu_1ghz, MPU_1GHZ)
	OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
	OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)

	#endif /* __ASSEMBLY__ */
	#endif