diff options
Diffstat (limited to 'arch/arm/plat-omap/include/mach/cpu.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/cpu.h | 82 |
1 files changed, 28 insertions, 54 deletions
diff --git a/arch/arm/plat-omap/include/mach/cpu.h b/arch/arm/plat-omap/include/mach/cpu.h index e046418..b2062f1 100644 --- a/arch/arm/plat-omap/include/mach/cpu.h +++ b/arch/arm/plat-omap/include/mach/cpu.h @@ -28,13 +28,18 @@ struct omap_chip_id { u8 oc; + u8 type; }; #define OMAP_CHIP_INIT(x) { .oc = x } -extern unsigned int system_rev; - -#define omap2_cpu_rev() ((system_rev >> 12) & 0x0f) +/* + * omap_rev bits: + * CPU id bits (0730, 1510, 1710, 2422...) [31:16] + * CPU revision (See _REV_ defined in cpu.h) [15:08] + * CPU class bits (15xx, 16xx, 24xx, 34xx...) [07:00] + */ +unsigned int omap_rev(void); /* * Test if multicore OMAP support is needed @@ -108,7 +113,7 @@ extern unsigned int system_rev; * cpu_is_omap243x(): True for OMAP2430 * cpu_is_omap343x(): True for OMAP3430 */ -#define GET_OMAP_CLASS ((system_rev >> 24) & 0xff) +#define GET_OMAP_CLASS (omap_rev() & 0xff) #define IS_OMAP_CLASS(class, id) \ static inline int is_omap ##class (void) \ @@ -116,7 +121,7 @@ static inline int is_omap ##class (void) \ return (GET_OMAP_CLASS == (id)) ? 1 : 0; \ } -#define GET_OMAP_SUBCLASS ((system_rev >> 20) & 0x0fff) +#define GET_OMAP_SUBCLASS ((omap_rev() >> 20) & 0x0fff) #define IS_OMAP_SUBCLASS(subclass, id) \ static inline int is_omap ##subclass (void) \ @@ -226,7 +231,7 @@ IS_OMAP_SUBCLASS(343x, 0x343) * cpu_is_omap2430(): True for OMAP2430 * cpu_is_omap3430(): True for OMAP3430 */ -#define GET_OMAP_TYPE ((system_rev >> 16) & 0xffff) +#define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) #define IS_OMAP_TYPE(type, id) \ static inline int is_omap ##type (void) \ @@ -320,44 +325,20 @@ IS_OMAP_TYPE(3430, 0x3430) #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))) +/* Various silicon revisions for omap2 */ +#define OMAP242X_CLASS 0x24200024 +#define OMAP2420_REV_ES1_0 0x24200024 +#define OMAP2420_REV_ES2_0 0x24201024 -#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 OMAP243X_CLASS 0x24300024 +#define OMAP2430_REV_ES1_0 0x24300024 -#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 OMAP242X_CLASS 0x24200000 -#define OMAP2420_REV_ES1_0 0x24200000 -#define OMAP2420_REV_ES2_0 0x24201000 - -#define OMAP243X_CLASS 0x24300000 -#define OMAP2430_REV_ES1_0 0x24300000 - -#define OMAP343X_CLASS 0x34300000 -#define OMAP3430_REV_ES1_0 0x34300000 -#define OMAP3430_REV_ES2_0 0x34301000 -#define OMAP3430_REV_ES2_1 0x34302000 -#define OMAP3430_REV_ES2_2 0x34303000 +#define OMAP343X_CLASS 0x34300034 +#define OMAP3430_REV_ES1_0 0x34300034 +#define OMAP3430_REV_ES2_0 0x34301034 +#define OMAP3430_REV_ES2_1 0x34302034 +#define OMAP3430_REV_ES3_0 0x34303034 /* * omap_chip bits @@ -382,23 +363,16 @@ IS_OMAP_TYPE(3430, 0x3430) #define CHIP_IS_OMAP24XX (CHIP_IS_OMAP2420 | CHIP_IS_OMAP2430) int omap_chip_is(struct omap_chip_id oci); - +int omap_type(void); /* * 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) +#define OMAP2_DEVICE_TYPE_TEST 0 +#define OMAP2_DEVICE_TYPE_EMU 1 +#define OMAP2_DEVICE_TYPE_SEC 2 +#define OMAP2_DEVICE_TYPE_GP 3 +#define OMAP2_DEVICE_TYPE_BAD 4 void omap2_check_revision(void); |
