/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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 >
*/
#ifndef __ASM_ARCH_OMAP_CPU_H
#define __ASM_ARCH_OMAP_CPU_H
/*
* Test if multicore OMAP support is needed
*/
#undef MULTI_OMAP1
#undef OMAP_NAME
#ifdef CONFIG_ARCH_OMAP15XX
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap1510
# endif
#endif
#ifdef CONFIG_ARCH_OMAP16XX
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap16xx
# endif
#endif
/*
* 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 ( 15 xx , 16 xx , 24 xx , 34 xx . . . ) [ 07 : 00 ]
*/
unsigned int omap_rev(void );
/*
* Get the CPU revision for OMAP devices
*/
#define GET_OMAP_REVISION() ((omap_rev() >> 8 ) & 0 xff)
/*
* Macros to group OMAP into cpu classes .
* These can be used in most places .
* cpu_is_omap15xx ( ) : True for OMAP1510 , OMAP5910 and OMAP310
* cpu_is_omap16xx ( ) : True for OMAP1610 , OMAP5912 and OMAP1710
*/
#define GET_OMAP_CLASS (omap_rev() & 0 xff)
#define IS_OMAP_CLASS(class , id) \
static inline int is_omap ## class (void ) \
{ \
return (GET_OMAP_CLASS == (id)) ? 1 : 0 ; \
}
#define GET_OMAP_SUBCLASS ((omap_rev() >> 20 ) & 0 x0fff)
#define IS_OMAP_SUBCLASS(subclass, id) \
static inline int is_omap ## subclass (void ) \
{ \
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0 ; \
}
IS_OMAP_CLASS(15 xx, 0 x15)
IS_OMAP_CLASS(16 xx, 0 x16)
#define cpu_is_omap15xx() 0
#define cpu_is_omap16xx() 0
#if defined (MULTI_OMAP1)
# 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_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
/*
* 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
*/
#define GET_OMAP_TYPE ((omap_rev() >> 16 ) & 0 xffff)
#define IS_OMAP_TYPE(type, id) \
static inline int is_omap ## type (void ) \
{ \
return (GET_OMAP_TYPE == (id)) ? 1 : 0 ; \
}
IS_OMAP_TYPE(310 , 0 x0310)
IS_OMAP_TYPE(1510 , 0 x1510)
IS_OMAP_TYPE(1610 , 0 x1610)
IS_OMAP_TYPE(1611 , 0 x1611)
IS_OMAP_TYPE(5912 , 0 x1611)
IS_OMAP_TYPE(1621 , 0 x1621)
IS_OMAP_TYPE(1710 , 0 x1710)
#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_class_is_omap1() 1
/*
* Whether we have MULTI_OMAP1 or not , we still need to distinguish
* between 310 vs . 1510 and 1611 B / 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
#endif
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(vorverarbeitet am 2026-09-28)
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