/*
* linux/include/asm-arm/arch-omap/cpu.h
*
* OMAP cpu type detection
*
* Copyright (C) 2004 Nokia Corporation
*
* Written by Tony Lindgren <tony.lindgren@nokia.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
extern unsigned int system_rev;
#define OMAP_DIE_ID_0 0xfffe1800
#define OMAP_DIE_ID_1 0xfffe1804
#define OMAP_PRODUCTION_ID_0 0xfffe2000
#define OMAP_PRODUCTION_ID_1 0xfffe2004
#define OMAP32_ID_0 0xfffed400
#define OMAP32_ID_1 0xfffed404
/*
* Test if multicore OMAP support is needed
*/
#undef MULTI_OMAP1
#undef MULTI_OMAP2
#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_OMAP1510
# 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
#ifdef CONFIG_ARCH_OMAP24XX
# if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
# error "OMAP1 and OMAP2 can't be selected at the same time"
# else
# undef MULTI_OMAP2
# define OMAP_NAME omap24xx
# endif
#endif
/*
* Macros to group OMAP into cpu classes.
* These can be used in most places.
* cpu_is_omap7xx(): True for OMAP730
* cpu_is_omap15xx(): True for OMAP1510 and OMAP5910
* cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
* cpu_is_omap24xx(): True for OMAP2420
*/
#define GET_OMAP_CLASS (system_rev & 0xff)
#define IS_OMAP_CLASS(class, id) \
static inline int is_omap ##class (void) \
{ \
return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
}
IS_OMAP_CLASS(7xx, 0x07)
IS_OMAP_CLASS(15xx, 0x15)
IS_OMAP_CLASS(16xx, 0x16)
IS_OMAP_CLASS(24xx, 0x24)
#define cpu_is_omap7xx() 0
#define cpu_is_omap15xx() 0
#define cpu_is_omap16xx() 0
#define cpu_is_omap24xx() 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_OMAP1510)
# 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_OMAP1510)
# 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
# if defined(CONFIG_ARCH_OMAP24XX)
# undef cpu_is_omap24xx
# define cpu_is_omap24xx() 1
# endif
#endif
/*
* Macros to detect individual cpu types.
* These are only rarely needed.
* cpu_is_omap730(): True for OMAP730
* 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
*/
#define GET_OMAP_TYPE ((system_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(730, 0x0730)
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)
#define cpu_is_omap730() 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
#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap730
# define cpu_is_omap730() is_omap730()
# endif
# if defined(CONFIG_ARCH_OMAP1510)
# undef cpu_is_omap1510
# define cpu_is_omap1510() is_omap1510()
# endif
#else
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap730
# define cpu_is_omap730() 1
# endif
# if defined(CONFIG_ARCH_OMAP1510)
# undef cpu_is_omap1510
# define cpu_is_omap1510() 1
# endif
#endif
/*
* Whether we have MULTI_OMAP1 or not, we still need to distinguish
* between 1611B/5912 and 1710.
*/
#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_OMAP2420)
# undef cpu_is_omap2420
# define cpu_is_omap2420() 1
#endif
#endif
