368 lines
9.9 KiB
C
368 lines
9.9 KiB
C
/*
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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 omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
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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_OMAP1
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#undef MULTI_OMAP2
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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_OMAP1
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# define MULTI_OMAP1
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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_OMAP15XX
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# ifdef OMAP_NAME
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# undef MULTI_OMAP1
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# define MULTI_OMAP1
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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_OMAP1
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# define MULTI_OMAP1
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# else
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# define OMAP_NAME omap16xx
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# endif
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#endif
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#if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
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# if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
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# error "OMAP1 and OMAP2 can't be selected at the same time"
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP2420
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap2420
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP2430
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap2430
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# endif
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#endif
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#ifdef CONFIG_ARCH_OMAP3430
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# ifdef OMAP_NAME
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# undef MULTI_OMAP2
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# define MULTI_OMAP2
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# else
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# define OMAP_NAME omap3430
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# endif
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#endif
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/*
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* Macros to group OMAP into cpu classes.
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* These can be used in most places.
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* cpu_is_omap7xx(): True for OMAP730
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* cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
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* cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
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* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
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* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
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* cpu_is_omap243x(): True for OMAP2430
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* cpu_is_omap343x(): True for OMAP3430
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*/
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#define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
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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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#define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
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#define IS_OMAP_SUBCLASS(subclass, id) \
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static inline int is_omap ##subclass (void) \
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{ \
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return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
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}
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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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IS_OMAP_CLASS(34xx, 0x34)
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IS_OMAP_SUBCLASS(242x, 0x242)
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IS_OMAP_SUBCLASS(243x, 0x243)
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IS_OMAP_SUBCLASS(343x, 0x343)
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#define cpu_is_omap7xx() 0
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#define cpu_is_omap15xx() 0
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#define cpu_is_omap16xx() 0
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#define cpu_is_omap24xx() 0
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#define cpu_is_omap242x() 0
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#define cpu_is_omap243x() 0
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#define cpu_is_omap34xx() 0
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#define cpu_is_omap343x() 0
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#if defined(MULTI_OMAP1)
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# if defined(CONFIG_ARCH_OMAP730)
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# undef cpu_is_omap7xx
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# define cpu_is_omap7xx() is_omap7xx()
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# endif
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# if defined(CONFIG_ARCH_OMAP15XX)
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# undef cpu_is_omap15xx
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# define cpu_is_omap15xx() is_omap15xx()
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# undef cpu_is_omap16xx
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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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# undef cpu_is_omap7xx
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# define cpu_is_omap7xx() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP15XX)
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# undef cpu_is_omap15xx
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# define cpu_is_omap15xx() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP16XX)
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# undef cpu_is_omap16xx
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# define cpu_is_omap16xx() 1
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# endif
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#endif
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#if defined(MULTI_OMAP2)
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# if defined(CONFIG_ARCH_OMAP24XX)
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# undef cpu_is_omap24xx
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# undef cpu_is_omap242x
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# undef cpu_is_omap243x
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# define cpu_is_omap24xx() is_omap24xx()
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# define cpu_is_omap242x() is_omap242x()
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# define cpu_is_omap243x() is_omap243x()
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# endif
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# if defined(CONFIG_ARCH_OMAP34XX)
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# undef cpu_is_omap34xx
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# undef cpu_is_omap343x
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# define cpu_is_omap34xx() is_omap34xx()
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# define cpu_is_omap343x() is_omap343x()
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# endif
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#else
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# if defined(CONFIG_ARCH_OMAP24XX)
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# undef cpu_is_omap24xx
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# define cpu_is_omap24xx() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP2420)
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# undef cpu_is_omap242x
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# define cpu_is_omap242x() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP2430)
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# undef cpu_is_omap243x
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# define cpu_is_omap243x() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP34XX)
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# undef cpu_is_omap34xx
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# define cpu_is_omap34xx() 1
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# endif
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# if defined(CONFIG_ARCH_OMAP3430)
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# undef cpu_is_omap343x
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# define cpu_is_omap343x() 1
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# endif
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#endif
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/*
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* Macros to detect individual cpu types.
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* These are only rarely needed.
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* cpu_is_omap330(): True for OMAP330
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* cpu_is_omap730(): True for OMAP730
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* cpu_is_omap1510(): True for OMAP1510
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* cpu_is_omap1610(): True for OMAP1610
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* cpu_is_omap1611(): True for OMAP1611
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* cpu_is_omap5912(): True for OMAP5912
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* cpu_is_omap1621(): True for OMAP1621
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* cpu_is_omap1710(): True for OMAP1710
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* cpu_is_omap2420(): True for OMAP2420
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* cpu_is_omap2422(): True for OMAP2422
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* cpu_is_omap2423(): True for OMAP2423
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* cpu_is_omap2430(): True for OMAP2430
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* cpu_is_omap3430(): True for OMAP3430
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*/
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#define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
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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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IS_OMAP_TYPE(310, 0x0310)
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IS_OMAP_TYPE(730, 0x0730)
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IS_OMAP_TYPE(1510, 0x1510)
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IS_OMAP_TYPE(1610, 0x1610)
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IS_OMAP_TYPE(1611, 0x1611)
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IS_OMAP_TYPE(5912, 0x1611)
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IS_OMAP_TYPE(1621, 0x1621)
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IS_OMAP_TYPE(1710, 0x1710)
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IS_OMAP_TYPE(2420, 0x2420)
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IS_OMAP_TYPE(2422, 0x2422)
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IS_OMAP_TYPE(2423, 0x2423)
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IS_OMAP_TYPE(2430, 0x2430)
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IS_OMAP_TYPE(3430, 0x3430)
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#define cpu_is_omap310() 0
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#define cpu_is_omap730() 0
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#define cpu_is_omap1510() 0
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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_omap1611() 0
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#define cpu_is_omap1621() 0
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#define cpu_is_omap1710() 0
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#define cpu_is_omap2420() 0
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#define cpu_is_omap2422() 0
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#define cpu_is_omap2423() 0
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#define cpu_is_omap2430() 0
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#define cpu_is_omap3430() 0
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#if defined(MULTI_OMAP1)
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# if defined(CONFIG_ARCH_OMAP730)
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# undef cpu_is_omap730
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# define cpu_is_omap730() is_omap730()
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# endif
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#else
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# if defined(CONFIG_ARCH_OMAP730)
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# undef cpu_is_omap730
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# define cpu_is_omap730() 1
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# endif
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#endif
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/*
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* Whether we have MULTI_OMAP1 or not, we still need to distinguish
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* between 330 vs. 1510 and 1611B/5912 vs. 1710.
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*/
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#if defined(CONFIG_ARCH_OMAP15XX)
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# undef cpu_is_omap310
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# undef cpu_is_omap1510
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# define cpu_is_omap310() is_omap310()
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# define cpu_is_omap1510() is_omap1510()
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#endif
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#if defined(CONFIG_ARCH_OMAP16XX)
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# undef cpu_is_omap1610
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# undef cpu_is_omap1611
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# undef cpu_is_omap5912
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# undef cpu_is_omap1621
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# undef cpu_is_omap1710
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# define cpu_is_omap1610() is_omap1610()
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# define cpu_is_omap1611() is_omap1611()
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# define cpu_is_omap5912() is_omap5912()
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# define cpu_is_omap1621() is_omap1621()
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# define cpu_is_omap1710() is_omap1710()
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#endif
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#if defined(CONFIG_ARCH_OMAP24XX)
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# undef cpu_is_omap2420
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# undef cpu_is_omap2422
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# undef cpu_is_omap2423
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# undef cpu_is_omap2430
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# define cpu_is_omap2420() is_omap2420()
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# define cpu_is_omap2422() is_omap2422()
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# define cpu_is_omap2423() is_omap2423()
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# define cpu_is_omap2430() is_omap2430()
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#endif
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#if defined(CONFIG_ARCH_OMAP34XX)
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# undef cpu_is_omap3430
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# define cpu_is_omap3430() is_omap3430()
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#endif
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/* Macros to detect if we have OMAP1 or OMAP2 */
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#define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
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cpu_is_omap16xx())
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#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
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#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
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/*
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* Macros to detect silicon revision of OMAP2/3 processors.
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* is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
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* is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
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* is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
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* get_sil_rev: return the silicon rev value.
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*/
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#define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
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#define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
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#define is_sil_rev_greater_than(rev) \
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((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
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(get_sil_revision(system_rev) > get_sil_revision(rev)))
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#define is_sil_rev_less_than(rev) \
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((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
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(get_sil_revision(system_rev) < get_sil_revision(rev)))
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#define is_sil_rev_equal_to(rev) \
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((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
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(get_sil_revision(system_rev) == get_sil_revision(rev)))
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#define get_sil_rev() \
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get_sil_revision(system_rev)
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/* Various silicon macros defined here */
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#define OMAP2420_REV_ES1_0 0x24200000
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#define OMAP2420_REV_ES2_0 0x24201000
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#define OMAP2430_REV_ES1_0 0x24300000
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#define OMAP3430_REV_ES1_0 0x34300000
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#define OMAP3430_REV_ES2_0 0x34301000
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/*
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* Macro to detect device type i.e. EMU/HS/TST/GP/BAD
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*/
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#define DEVICE_TYPE_TEST 0
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#define DEVICE_TYPE_EMU 1
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#define DEVICE_TYPE_SEC 2
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#define DEVICE_TYPE_GP 3
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#define DEVICE_TYPE_BAD 4
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#define get_device_type() ((system_rev & 0x700) >> 8)
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#define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
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#define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
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#define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
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#define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
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#define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
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#endif
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#endif
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