456 lines
13 KiB
C
456 lines
13 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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* Copyright (C) 2009-11 Texas Instruments.
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*
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* Written by Tony Lindgren <tony.lindgren@nokia.com>
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*
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* Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.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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#include <linux/bitops.h>
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#include <plat/multi.h>
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/*
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* Omap 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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int omap_type(void);
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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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* Get the CPU revision for OMAP devices
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*/
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#define GET_OMAP_REVISION() ((omap_rev() >> 8) & 0xff)
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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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* cpu_is_omap443x(): True for OMAP4430
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* cpu_is_omap446x(): True for OMAP4460
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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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#define IS_TI_SUBCLASS(subclass, id) \
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static inline int is_ti ##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_CLASS(44xx, 0x44)
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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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IS_OMAP_SUBCLASS(363x, 0x363)
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IS_OMAP_SUBCLASS(443x, 0x443)
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IS_OMAP_SUBCLASS(446x, 0x446)
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IS_TI_SUBCLASS(816x, 0x816)
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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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#define cpu_is_ti816x() 0
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#define cpu_is_omap44xx() 0
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#define cpu_is_omap443x() 0
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#define cpu_is_omap446x() 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_OMAP2)
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# undef cpu_is_omap24xx
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# define cpu_is_omap24xx() is_omap24xx()
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# endif
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# if defined (CONFIG_SOC_OMAP2420)
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# undef cpu_is_omap242x
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# define cpu_is_omap242x() is_omap242x()
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# endif
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# if defined (CONFIG_SOC_OMAP2430)
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# undef cpu_is_omap243x
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# define cpu_is_omap243x() is_omap243x()
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# endif
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# if defined(CONFIG_ARCH_OMAP3)
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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_OMAP2)
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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_SOC_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_SOC_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_OMAP3)
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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_SOC_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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* cpu_is_omap4430(): True for OMAP4430
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* cpu_is_omap3505(): True for OMAP3505
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* cpu_is_omap3517(): True for OMAP3517
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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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IS_OMAP_TYPE(3505, 0x3517)
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IS_OMAP_TYPE(3517, 0x3517)
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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_omap3503() 0
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#define cpu_is_omap3515() 0
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#define cpu_is_omap3525() 0
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#define cpu_is_omap3530() 0
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#define cpu_is_omap3505() 0
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#define cpu_is_omap3517() 0
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#define cpu_is_omap3430() 0
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#define cpu_is_omap4430() 0
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#define cpu_is_omap3630() 0
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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 730 vs 850, 330 vs. 1510 and 1611B/5912 vs. 1710.
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*/
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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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#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_OMAP2)
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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_OMAP3)
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# undef cpu_is_omap3430
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# undef cpu_is_omap3503
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# undef cpu_is_omap3515
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# undef cpu_is_omap3525
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# undef cpu_is_omap3530
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# undef cpu_is_omap3505
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# undef cpu_is_omap3517
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# undef cpu_is_ti816x
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# define cpu_is_omap3430() is_omap3430()
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# define cpu_is_omap3503() (cpu_is_omap3430() && \
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(!omap3_has_iva()) && \
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(!omap3_has_sgx()))
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# define cpu_is_omap3515() (cpu_is_omap3430() && \
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(!omap3_has_iva()) && \
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(omap3_has_sgx()))
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# define cpu_is_omap3525() (cpu_is_omap3430() && \
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(!omap3_has_sgx()) && \
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(omap3_has_iva()))
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# define cpu_is_omap3530() (cpu_is_omap3430())
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# define cpu_is_omap3517() is_omap3517()
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# define cpu_is_omap3505() (cpu_is_omap3517() && \
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!omap3_has_sgx())
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# undef cpu_is_omap3630
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# define cpu_is_omap3630() is_omap363x()
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# define cpu_is_ti816x() is_ti816x()
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#endif
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# if defined(CONFIG_ARCH_OMAP4)
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# undef cpu_is_omap44xx
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# undef cpu_is_omap443x
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# undef cpu_is_omap446x
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# define cpu_is_omap44xx() is_omap44xx()
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# define cpu_is_omap443x() is_omap443x()
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# define cpu_is_omap446x() is_omap446x()
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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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cpu_is_omap44xx())
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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 OMAP242X_CLASS
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#define OMAP2420_REV_ES2_0 (OMAP242X_CLASS | (0x1 << 8))
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#define OMAP243X_CLASS 0x24300024
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#define OMAP2430_REV_ES1_0 OMAP243X_CLASS
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#define OMAP343X_CLASS 0x34300034
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#define OMAP3430_REV_ES1_0 OMAP343X_CLASS
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#define OMAP3430_REV_ES2_0 (OMAP343X_CLASS | (0x1 << 8))
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#define OMAP3430_REV_ES2_1 (OMAP343X_CLASS | (0x2 << 8))
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#define OMAP3430_REV_ES3_0 (OMAP343X_CLASS | (0x3 << 8))
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#define OMAP3430_REV_ES3_1 (OMAP343X_CLASS | (0x4 << 8))
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#define OMAP3430_REV_ES3_1_2 (OMAP343X_CLASS | (0x5 << 8))
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#define OMAP363X_CLASS 0x36300034
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#define OMAP3630_REV_ES1_0 OMAP363X_CLASS
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#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
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#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
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#define OMAP3517_CLASS 0x35170034
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#define OMAP3517_REV_ES1_0 OMAP3517_CLASS
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#define OMAP3517_REV_ES1_1 (OMAP3517_CLASS | (0x1 << 8))
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#define TI816X_CLASS 0x81600034
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#define TI8168_REV_ES1_0 TI816X_CLASS
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#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
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#define OMAP443X_CLASS 0x44300044
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#define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))
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#define OMAP4430_REV_ES2_0 (OMAP443X_CLASS | (0x20 << 8))
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#define OMAP4430_REV_ES2_1 (OMAP443X_CLASS | (0x21 << 8))
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#define OMAP4430_REV_ES2_2 (OMAP443X_CLASS | (0x22 << 8))
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#define OMAP446X_CLASS 0x44600044
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#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
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void omap2_check_revision(void);
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/*
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* Runtime detection of OMAP3 features
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*
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* OMAP3_HAS_IO_CHAIN_CTRL: Some later members of the OMAP3 chip
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* family have OS-level control over the I/O chain clock. This is
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* to avoid a window during which wakeups could potentially be lost
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* during powerdomain transitions. If this bit is set, it
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* indicates that the chip does support OS-level control of this
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* feature.
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*/
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extern u32 omap_features;
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#define OMAP3_HAS_L2CACHE BIT(0)
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#define OMAP3_HAS_IVA BIT(1)
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#define OMAP3_HAS_SGX BIT(2)
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#define OMAP3_HAS_NEON BIT(3)
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#define OMAP3_HAS_ISP BIT(4)
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#define OMAP3_HAS_192MHZ_CLK BIT(5)
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#define OMAP3_HAS_IO_WAKEUP BIT(6)
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#define OMAP3_HAS_SDRC BIT(7)
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#define OMAP3_HAS_IO_CHAIN_CTRL BIT(8)
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#define OMAP4_HAS_MPU_1GHZ BIT(9)
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#define OMAP4_HAS_MPU_1_2GHZ BIT(10)
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#define OMAP4_HAS_MPU_1_5GHZ BIT(11)
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#define OMAP3_HAS_FEATURE(feat,flag) \
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static inline unsigned int omap3_has_ ##feat(void) \
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{ \
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return omap_features & OMAP3_HAS_ ##flag; \
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} \
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OMAP3_HAS_FEATURE(l2cache, L2CACHE)
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OMAP3_HAS_FEATURE(sgx, SGX)
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OMAP3_HAS_FEATURE(iva, IVA)
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OMAP3_HAS_FEATURE(neon, NEON)
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OMAP3_HAS_FEATURE(isp, ISP)
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OMAP3_HAS_FEATURE(192mhz_clk, 192MHZ_CLK)
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OMAP3_HAS_FEATURE(io_wakeup, IO_WAKEUP)
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OMAP3_HAS_FEATURE(sdrc, SDRC)
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OMAP3_HAS_FEATURE(io_chain_ctrl, IO_CHAIN_CTRL)
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/*
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* Runtime detection of OMAP4 features
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*/
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#define OMAP4_HAS_FEATURE(feat, flag) \
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static inline unsigned int omap4_has_ ##feat(void) \
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{ \
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return omap_features & OMAP4_HAS_ ##flag; \
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} \
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OMAP4_HAS_FEATURE(mpu_1ghz, MPU_1GHZ)
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OMAP4_HAS_FEATURE(mpu_1_2ghz, MPU_1_2GHZ)
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OMAP4_HAS_FEATURE(mpu_1_5ghz, MPU_1_5GHZ)
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|
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#endif
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