- 根目录:
- arch
- arm
- mach-omap1
- include
- mach
- 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
*
*/
#ifndef __ASM_ARCH_OMAP_CPU_H
#define __ASM_ARCH_OMAP_CPU_H
#ifndef __ASSEMBLY__
#include <linux/bitops.h>
/*
* Test if multicore OMAP support is needed
*/
#undef MULTI_OMAP1
#undef OMAP_NAME
#ifdef CONFIG_ARCH_OMAP730
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap730
# endif
#endif
#ifdef CONFIG_ARCH_OMAP850
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap850
# endif
#endif
#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 (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
*/
#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_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; \
}
IS_OMAP_CLASS(7xx, 0x07)
IS_OMAP_CLASS(15xx, 0x15)
IS_OMAP_CLASS(16xx, 0x16)
#define cpu_is_omap7xx() 0
#define cpu_is_omap15xx() 0
#define cpu_is_omap16xx() 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
/*
* 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) & 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)
#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
/* These are needed to compile common code */
#ifdef CONFIG_ARCH_OMAP1
#define cpu_is_omap242x() 0
#define cpu_is_omap2430() 0
#define cpu_is_omap243x() 0
#define cpu_is_omap24xx() 0
#define cpu_is_omap34xx() 0
#define cpu_is_omap44xx() 0
#define soc_is_omap54xx() 0
#define soc_is_dra7xx() 0
#define soc_is_am33xx() 0
#define cpu_class_is_omap1() 1
#define cpu_class_is_omap2() 0
#endif
/*
* 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
#endif /* __ASSEMBLY__ */
#endif