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/*
* linux/include/asm-arm/arch-omap/cpu.h
*
* OMAP cpu type detection
*
* Copyright (C) 2004, 2008 Nokia Corporation
*
* Written by Tony Lindgren <tony.lindgren@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ASM_ARCH_OMAP_CPU_H
#define __ASM_ARCH_OMAP_CPU_H
struct omap_chip_id {
u8 oc;
};
#define OMAP_CHIP_INIT(x) { .oc = x }
extern unsigned int system_rev;
#define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)
/*
* Test if multicore OMAP support is needed
*/
#undef MULTI_OMAP1
#undef MULTI_OMAP2
#undef OMAP_NAME
#ifdef CONFIG_ARCH_OMAP730
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap730
# endif
#endif
#ifdef CONFIG_ARCH_OMAP15XX
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap1510
# endif
#endif
#ifdef CONFIG_ARCH_OMAP16XX
# ifdef OMAP_NAME
# undef MULTI_OMAP1
# define MULTI_OMAP1
# else
# define OMAP_NAME omap16xx
# endif
#endif
#if (defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX))
# if (defined(OMAP_NAME) || defined(MULTI_OMAP1))
# error "OMAP1 and OMAP2 can't be selected at the same time"
# endif
#endif
#ifdef CONFIG_ARCH_OMAP2420
# ifdef OMAP_NAME
# undef MULTI_OMAP2
# define MULTI_OMAP2
# else
# define OMAP_NAME omap2420
# endif
#endif
#ifdef CONFIG_ARCH_OMAP2430
# ifdef OMAP_NAME
# undef MULTI_OMAP2
# define MULTI_OMAP2
# else
# define OMAP_NAME omap2430
# endif
#endif
#ifdef CONFIG_ARCH_OMAP3430
# ifdef OMAP_NAME
# undef MULTI_OMAP2
# define MULTI_OMAP2
# else
# define OMAP_NAME omap3430
# endif
#endif
/*
* Macros to group OMAP into cpu classes.
* These can be used in most places.
* cpu_is_omap7xx(): True for OMAP730
* cpu_is_omap15xx(): True for OMAP1510, OMAP5910 and OMAP310
* cpu_is_omap16xx(): True for OMAP1610, OMAP5912 and OMAP1710
* cpu_is_omap24xx(): True for OMAP2420, OMAP2422, OMAP2423, OMAP2430
* cpu_is_omap242x(): True for OMAP2420, OMAP2422, OMAP2423
* cpu_is_omap243x(): True for OMAP2430
* cpu_is_omap343x(): True for OMAP3430
*/
#define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)
#define IS_OMAP_CLASS(class, id) \
static inline int is_omap ##class (void) \
{ \
return (GET_OMAP_CLASS == (id)) ? 1 : 0; \
}
#define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff)
#define IS_OMAP_SUBCLASS(subclass, id) \
static inline int is_omap ##subclass (void) \
{ \
return (GET_OMAP_SUBCLASS == (id)) ? 1 : 0; \
}
IS_OMAP_CLASS(7xx, 0x07)
IS_OMAP_CLASS(15xx, 0x15)
IS_OMAP_CLASS(16xx, 0x16)
IS_OMAP_CLASS(24xx, 0x24)
IS_OMAP_CLASS(34xx, 0x34)
IS_OMAP_SUBCLASS(242x, 0x242)
IS_OMAP_SUBCLASS(243x, 0x243)
IS_OMAP_SUBCLASS(343x, 0x343)
#define cpu_is_omap7xx() 0
#define cpu_is_omap15xx() 0
#define cpu_is_omap16xx() 0
#define cpu_is_omap24xx() 0
#define cpu_is_omap242x() 0
#define cpu_is_omap243x() 0
#define cpu_is_omap34xx() 0
#define cpu_is_omap343x() 0
#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap7xx
# define cpu_is_omap7xx() is_omap7xx()
# endif
# if defined(CONFIG_ARCH_OMAP15XX)
# undef cpu_is_omap15xx
# define cpu_is_omap15xx() is_omap15xx()
# endif
# if defined(CONFIG_ARCH_OMAP16XX)
# undef cpu_is_omap16xx
# define cpu_is_omap16xx() is_omap16xx()
# endif
#else
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap7xx
# define cpu_is_omap7xx() 1
# endif
# if defined(CONFIG_ARCH_OMAP15XX)
# undef cpu_is_omap15xx
# define cpu_is_omap15xx() 1
# endif
# if defined(CONFIG_ARCH_OMAP16XX)
# undef cpu_is_omap16xx
# define cpu_is_omap16xx() 1
# endif
#endif
#if defined(MULTI_OMAP2)
# if defined(CONFIG_ARCH_OMAP24XX)
# undef cpu_is_omap24xx
# undef cpu_is_omap242x
# undef cpu_is_omap243x
# define cpu_is_omap24xx() is_omap24xx()
# define cpu_is_omap242x() is_omap242x()
# define cpu_is_omap243x() is_omap243x()
# endif
# if defined(CONFIG_ARCH_OMAP34XX)
# undef cpu_is_omap34xx
# undef cpu_is_omap343x
# define cpu_is_omap34xx() is_omap34xx()
# define cpu_is_omap343x() is_omap343x()
# endif
#else
# if defined(CONFIG_ARCH_OMAP24XX)
# undef cpu_is_omap24xx
# define cpu_is_omap24xx() 1
# endif
# if defined(CONFIG_ARCH_OMAP2420)
# undef cpu_is_omap242x
# define cpu_is_omap242x() 1
# endif
# if defined(CONFIG_ARCH_OMAP2430)
# undef cpu_is_omap243x
# define cpu_is_omap243x() 1
# endif
# if defined(CONFIG_ARCH_OMAP34XX)
# undef cpu_is_omap34xx
# define cpu_is_omap34xx() 1
# endif
# if defined(CONFIG_ARCH_OMAP3430)
# undef cpu_is_omap343x
# define cpu_is_omap343x() 1
# endif
#endif
/*
* Macros to detect individual cpu types.
* These are only rarely needed.
* cpu_is_omap330(): True for OMAP330
* cpu_is_omap730(): True for OMAP730
* cpu_is_omap1510(): True for OMAP1510
* cpu_is_omap1610(): True for OMAP1610
* cpu_is_omap1611(): True for OMAP1611
* cpu_is_omap5912(): True for OMAP5912
* cpu_is_omap1621(): True for OMAP1621
* cpu_is_omap1710(): True for OMAP1710
* cpu_is_omap2420(): True for OMAP2420
* cpu_is_omap2422(): True for OMAP2422
* cpu_is_omap2423(): True for OMAP2423
* cpu_is_omap2430(): True for OMAP2430
* cpu_is_omap3430(): True for OMAP3430
*/
#define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff)
#define IS_OMAP_TYPE(type, id) \
static inline int is_omap ##type (void) \
{ \
return (GET_OMAP_TYPE == (id)) ? 1 : 0; \
}
IS_OMAP_TYPE(310, 0x0310)
IS_OMAP_TYPE(730, 0x0730)
IS_OMAP_TYPE(1510, 0x1510)
IS_OMAP_TYPE(1610, 0x1610)
IS_OMAP_TYPE(1611, 0x1611)
IS_OMAP_TYPE(5912, 0x1611)
IS_OMAP_TYPE(1621, 0x1621)
IS_OMAP_TYPE(1710, 0x1710)
IS_OMAP_TYPE(2420, 0x2420)
IS_OMAP_TYPE(2422, 0x2422)
IS_OMAP_TYPE(2423, 0x2423)
IS_OMAP_TYPE(2430, 0x2430)
IS_OMAP_TYPE(3430, 0x3430)
#define cpu_is_omap310() 0
#define cpu_is_omap730() 0
#define cpu_is_omap1510() 0
#define cpu_is_omap1610() 0
#define cpu_is_omap5912() 0
#define cpu_is_omap1611() 0
#define cpu_is_omap1621() 0
#define cpu_is_omap1710() 0
#define cpu_is_omap2420() 0
#define cpu_is_omap2422() 0
#define cpu_is_omap2423() 0
#define cpu_is_omap2430() 0
#define cpu_is_omap3430() 0
#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap730
# define cpu_is_omap730() is_omap730()
# endif
#else
# if defined(CONFIG_ARCH_OMAP730)
# undef cpu_is_omap730
# define cpu_is_omap730() 1
# endif
#endif
/*
* Whether we have MULTI_OMAP1 or not, we still need to distinguish
* between 330 vs. 1510 and 1611B/5912 vs. 1710.
*/
#if defined(CONFIG_ARCH_OMAP15XX)
# undef cpu_is_omap310
# undef cpu_is_omap1510
# define cpu_is_omap310() is_omap310()
# define cpu_is_omap1510() is_omap1510()
#endif
#if defined(CONFIG_ARCH_OMAP16XX)
# undef cpu_is_omap1610
# undef cpu_is_omap1611
# undef cpu_is_omap5912
# undef cpu_is_omap1621
# undef cpu_is_omap1710
# define cpu_is_omap1610() is_omap1610()
# define cpu_is_omap1611() is_omap1611()
# define cpu_is_omap5912() is_omap5912()
# define cpu_is_omap1621() is_omap1621()
# define cpu_is_omap1710() is_omap1710()
#endif
#if defined(CONFIG_ARCH_OMAP24XX)
# undef cpu_is_omap2420
# undef cpu_is_omap2422
# undef cpu_is_omap2423
# undef cpu_is_omap2430
# define cpu_is_omap2420() is_omap2420()
# define cpu_is_omap2422() is_omap2422()
# define cpu_is_omap2423() is_omap2423()
# define cpu_is_omap2430() is_omap2430()
#endif
#if defined(CONFIG_ARCH_OMAP34XX)
# undef cpu_is_omap3430
# define cpu_is_omap3430() is_omap3430()
#endif
/* Macros to detect if we have OMAP1 or OMAP2 */
#define cpu_class_is_omap1() (cpu_is_omap730() || cpu_is_omap15xx() || \
cpu_is_omap16xx())
#define cpu_class_is_omap2() (cpu_is_omap24xx() || cpu_is_omap34xx())
#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
/*
* Macros to detect silicon revision of OMAP2/3 processors.
* is_sil_rev_greater_than: true if passed cpu type & its rev is greater.
* is_sil_rev_lesser_than: true if passed cpu type & its rev is lesser.
* is_sil_rev_equal_to: true if passed cpu type & its rev is equal.
* get_sil_rev: return the silicon rev value.
*/
#define get_sil_omap_type(rev) ((rev & 0xffff0000) >> 16)
#define get_sil_revision(rev) ((rev & 0x0000f000) >> 12)
#define is_sil_rev_greater_than(rev) \
((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
(get_sil_revision(system_rev) > get_sil_revision(rev)))
#define is_sil_rev_less_than(rev) \
((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
(get_sil_revision(system_rev) < get_sil_revision(rev)))
#define is_sil_rev_equal_to(rev) \
((get_sil_omap_type(system_rev) == get_sil_omap_type(rev)) && \
(get_sil_revision(system_rev) == get_sil_revision(rev)))
#define get_sil_rev() \
get_sil_revision(system_rev)
/* Various silicon macros defined here */
#define OMAP2420_REV_ES1_0 0x24200000
#define OMAP2420_REV_ES2_0 0x24201000
#define OMAP2430_REV_ES1_0 0x24300000
#define OMAP3430_REV_ES1_0 0x34300000
#define OMAP3430_REV_ES2_0 0x34301000
#define OMAP3430_REV_ES2_1 0x34302000
#define OMAP3430_REV_ES2_2 0x34303000
/*
* omap_chip bits
*
* CHIP_IS_OMAP{2420,2430,3430} indicate that a particular structure is
* valid on all chips of that type. CHIP_IS_OMAP3430ES{1,2} indicates
* something that is only valid on that particular ES revision.
*
* These bits may be ORed together to indicate structures that are
* available on multiple chip types.
*
* To test whether a particular structure matches the current OMAP chip type,
* use omap_chip_is().
*
*/
#define CHIP_IS_OMAP2420 (1 << 0)
#define CHIP_IS_OMAP2430 (1 << 1)
#define CHIP_IS_OMAP3430 (1 << 2)
#define CHIP_IS_OMAP3430ES1 (1 << 3)
#define CHIP_IS_OMAP3430ES2 (1 << 4)
#define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430)
int omap_chip_is(struct omap_chip_id oci);
/*
* Macro to detect device type i.e. EMU/HS/TST/GP/BAD
*/
#define DEVICE_TYPE_TEST 0
#define DEVICE_TYPE_EMU 1
#define DEVICE_TYPE_SEC 2
#define DEVICE_TYPE_GP 3
#define DEVICE_TYPE_BAD 4
#define get_device_type() ((system_rev & 0x700) >> 8)
#define is_device_type_test() (get_device_type() == DEVICE_TYPE_TEST)
#define is_device_type_emu() (get_device_type() == DEVICE_TYPE_EMU)
#define is_device_type_sec() (get_device_type() == DEVICE_TYPE_SEC)
#define is_device_type_gp() (get_device_type() == DEVICE_TYPE_GP)
#define is_device_type_bad() (get_device_type() == DEVICE_TYPE_BAD)
void omap2_check_revision(void);
#endif /* defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) */
#endif
|
