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183 lines
4.3 KiB
183 lines
4.3 KiB
/*
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* linux/include/asm-arm/arch-omap/cpu.h
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*
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* OMAP cpu type detection
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*
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* Copyright (C) 2004 Nokia Corporation
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*
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* Written by Tony Lindgren <tony.lindgren@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ASM_ARCH_OMAP_CPU_H
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#define __ASM_ARCH_OMAP_CPU_H
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extern unsigned int system_rev;
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#define OMAP_DIE_ID_0 0xfffe1800
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#define OMAP_DIE_ID_1 0xfffe1804
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#define OMAP_PRODUCTION_ID_0 0xfffe2000
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#define OMAP_PRODUCTION_ID_1 0xfffe2004
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#define OMAP32_ID_0 0xfffed400
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#define OMAP32_ID_1 0xfffed404
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/*
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* Test if multicore OMAP support is needed
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*/
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#undef MULTI_OMAP
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#undef OMAP_NAME
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#ifdef CONFIG_ARCH_OMAP730
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# ifdef OMAP_NAME
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# undef MULTI_OMAP
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# define MULTI_OMAP
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# else
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# define OMAP_NAME omap730
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP1510
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# ifdef OMAP_NAME
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# undef MULTI_OMAP
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# define MULTI_OMAP
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# else
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# define OMAP_NAME omap1510
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP
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# define MULTI_OMAP
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# else
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# define OMAP_NAME omap1610
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP
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# define MULTI_OMAP
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# else
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# define OMAP_NAME omap1710
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# endif
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#endif
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/*
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* Generate various OMAP cpu specific macros, and cpu class
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* specific macros
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*/
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#define GET_OMAP_TYPE ((system_rev >> 24) & 0xff)
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#define GET_OMAP_CLASS (system_rev & 0xff)
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#define IS_OMAP_TYPE(type, id) \
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static inline int is_omap ##type (void) \
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{ \
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return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
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}
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#define IS_OMAP_CLASS(class, id) \
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static inline int is_omap ##class (void) \
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{ \
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return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
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}
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IS_OMAP_TYPE(730, 0x07)
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IS_OMAP_TYPE(1510, 0x15)
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IS_OMAP_TYPE(1610, 0x16)
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IS_OMAP_TYPE(5912, 0x16)
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IS_OMAP_TYPE(1710, 0x17)
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IS_OMAP_TYPE(2420, 0x24)
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IS_OMAP_CLASS(7xx, 0x07)
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IS_OMAP_CLASS(15xx, 0x15)
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IS_OMAP_CLASS(16xx, 0x16)
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IS_OMAP_CLASS(24xx, 0x24)
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/*
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* Macros to group OMAP types into cpu classes.
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* These can be used in most places.
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* cpu_is_omap15xx(): True for 1510 and 5910
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* cpu_is_omap16xx(): True for 1610, 5912 and 1710
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*/
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#if defined(MULTI_OMAP)
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# define cpu_is_omap7xx() is_omap7xx()
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# define cpu_is_omap15xx() is_omap15xx()
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# if !(defined(CONFIG_ARCH_OMAP1510) || defined(CONFIG_ARCH_OMAP730))
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# define cpu_is_omap16xx() 1
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# else
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# define cpu_is_omap16xx() is_omap16xx()
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# endif
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#else
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# if defined(CONFIG_ARCH_OMAP730)
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# define cpu_is_omap7xx() 1
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# else
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# define cpu_is_omap7xx() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP1510)
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# define cpu_is_omap15xx() 1
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# else
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# define cpu_is_omap15xx() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# define cpu_is_omap16xx() 1
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# else
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# define cpu_is_omap16xx() 0
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# endif
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#endif
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#if defined(MULTI_OMAP)
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# define cpu_is_omap730() is_omap730()
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# define cpu_is_omap1510() is_omap1510()
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# define cpu_is_omap1610() is_omap1610()
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# define cpu_is_omap5912() is_omap5912()
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# define cpu_is_omap1710() is_omap1710()
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#else
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# if defined(CONFIG_ARCH_OMAP730)
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# define cpu_is_omap730() 1
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# else
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# define cpu_is_omap730() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP1510)
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# define cpu_is_omap1510() 1
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# else
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# define cpu_is_omap1510() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# define cpu_is_omap1610() 1
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# else
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# define cpu_is_omap1610() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# define cpu_is_omap5912() 1
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# else
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# define cpu_is_omap5912() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# define cpu_is_omap1610() is_omap1610()
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# define cpu_is_omap5912() is_omap5912()
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# define cpu_is_omap1710() is_omap1710()
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# else
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# define cpu_is_omap1610() 0
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# define cpu_is_omap5912() 0
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# define cpu_is_omap1710() 0
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# endif
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# if defined(CONFIG_ARCH_OMAP2420)
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# define cpu_is_omap2420() 1
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# else
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# define cpu_is_omap2420() 0
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# endif
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#endif
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#endif
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