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ARM: OMAP: Add 3430 CPU identification macros
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This patch adds omap3430 CPU identification macros.

Silicon revision check macros added by Girish S G <girishsg@ti.com>.

CPU identification macro and silicon revision check macros
cleaned up by Paul Walmsley <paul@pwsan.com>.

Signed-off-by: Syed Mohammed Khasim <x0khasim@ti.com>
Signed-off-by: Girish S G <girishsg@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Syed Mohammed Khasim authored and Tony Lindgren committed Feb 8, 2008
1 parent 1cccd2a commit 2c17f61
Showing 1 changed file with 121 additions and 6 deletions.
127 changes: 121 additions & 6 deletions include/asm-arm/arch-omap/cpu.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@

extern unsigned int system_rev;

#define omap2_cpu_rev() ((system_rev >> 8) & 0x0f)
#define omap2_cpu_rev() ((system_rev >> 12) & 0x0f)

/*
* Test if multicore OMAP support is needed
Expand Down Expand Up @@ -61,12 +61,33 @@ extern unsigned int system_rev;
# define OMAP_NAME omap16xx
# endif
#endif
#ifdef CONFIG_ARCH_OMAP24XX
#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 OMAP_NAME omap24xx
# define MULTI_OMAP2
# else
# define OMAP_NAME omap3430
# endif
#endif

Expand All @@ -79,8 +100,9 @@ extern unsigned int system_rev;
* 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 & 0xff)
#define GET_OMAP_CLASS ((system_rev >> 24) & 0xff)

#define IS_OMAP_CLASS(class, id) \
static inline int is_omap ##class (void) \
Expand All @@ -100,16 +122,20 @@ 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)
Expand Down Expand Up @@ -137,14 +163,44 @@ IS_OMAP_SUBCLASS(243x, 0x243)
# 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() 1
# 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

/*
Expand All @@ -162,6 +218,7 @@ IS_OMAP_SUBCLASS(243x, 0x243)
* 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)

Expand All @@ -183,6 +240,7 @@ 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
Expand All @@ -196,6 +254,7 @@ IS_OMAP_TYPE(2430, 0x2430)
#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)
Expand Down Expand Up @@ -244,9 +303,65 @@ IS_OMAP_TYPE(2430, 0x2430)
# 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()
#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

/*
* 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)

#endif

#endif

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