423 lines
11 KiB
C
423 lines
11 KiB
C
/*
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* arch/arm/plat-omap/include/mach/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, 2008 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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struct omap_chip_id {
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u8 oc;
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u8 type;
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};
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#define OMAP_CHIP_INIT(x) { .oc = x }
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/*
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* omap_rev bits:
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* CPU id bits (0730, 1510, 1710, 2422...) [31:16]
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* CPU revision (See _REV_ defined in cpu.h) [15:08]
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* CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00]
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*/
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unsigned int omap_rev(void);
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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_OMAP850
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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 omap850
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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, OMAP850
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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 (omap_rev() & 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 ((omap_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_OMAP850)
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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_OMAP850)
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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_omap850(): True for OMAP850
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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 ((omap_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(850, 0x0850)
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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_omap850() 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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# if defined(CONFIG_ARCH_OMAP850)
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# undef cpu_is_omap850
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# define cpu_is_omap850() is_omap850()
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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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#else
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# if defined(CONFIG_ARCH_OMAP850)
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# undef cpu_is_omap850
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# define cpu_is_omap850() 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_omap7xx() || 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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/* Various silicon revisions for omap2 */
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#define OMAP242X_CLASS 0x24200024
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#define OMAP2420_REV_ES1_0 0x24200024
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#define OMAP2420_REV_ES2_0 0x24201024
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#define OMAP243X_CLASS 0x24300024
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#define OMAP2430_REV_ES1_0 0x24300024
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#define OMAP343X_CLASS 0x34300034
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#define OMAP3430_REV_ES1_0 0x34300034
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#define OMAP3430_REV_ES2_0 0x34301034
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#define OMAP3430_REV_ES2_1 0x34302034
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#define OMAP3430_REV_ES3_0 0x34303034
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#define OMAP3430_REV_ES3_1 0x34304034
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/*
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* omap_chip bits
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*
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* CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
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* valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
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* something that is only valid on that particular ES revision.
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*
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* These bits may be ORed together to indicate structures that are
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* available on multiple chip types.
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*
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* To test whether a particular structure matches the current OMAP chip type,
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* use omap_chip_is().
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*
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*/
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#define CHIP_IS_OMAP2420 (1 << 0)
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#define CHIP_IS_OMAP2430 (1 << 1)
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#define CHIP_IS_OMAP3430 (1 << 2)
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#define CHIP_IS_OMAP3430ES1 (1 << 3)
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#define CHIP_IS_OMAP3430ES2 (1 << 4)
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#define CHIP_IS_OMAP3430ES3_0 (1 << 5)
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#define CHIP_IS_OMAP3430ES3_1 (1 << 6)
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#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
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/*
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* "GE" here represents "greater than or equal to" in terms of ES
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* levels. So CHIP_GE_OMAP3430ES2 is intended to match all OMAP3430
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* chips at ES2 and beyond, but not, for example, any OMAP lines after
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* OMAP3.
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*/
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#define CHIP_GE_OMAP3430ES2 (CHIP_IS_OMAP3430ES2 | \
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CHIP_IS_OMAP3430ES3_0 | \
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CHIP_IS_OMAP3430ES3_1)
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#define CHIP_GE_OMAP3430ES3_1 (CHIP_IS_OMAP3430ES3_1)
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int omap_chip_is(struct omap_chip_id oci);
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int omap_type(void);
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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 OMAP2_DEVICE_TYPE_TEST 0
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#define OMAP2_DEVICE_TYPE_EMU 1
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#define OMAP2_DEVICE_TYPE_SEC 2
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#define OMAP2_DEVICE_TYPE_GP 3
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#define OMAP2_DEVICE_TYPE_BAD 4
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void omap2_check_revision(void);
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#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
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