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authorSyed Mohammed Khasim <x0khasim@ti.com>2007-12-05 00:38:13 +0100
committerTony Lindgren <tony@atomide.com>2008-02-08 19:37:58 +0100
commit2c17f61599987ca7c54c2fef57de3bb8c32e3599 (patch)
treeb65ec883f7fc81016d1a6dd058604ae3ff75fb27 /include/asm-arm/arch-omap
parentARM: OMAP: Request DSP memory for McBSP (diff)
downloadlinux-2c17f61599987ca7c54c2fef57de3bb8c32e3599.tar.xz
linux-2c17f61599987ca7c54c2fef57de3bb8c32e3599.zip
ARM: OMAP: Add 3430 CPU identification macros
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>
Diffstat (limited to 'include/asm-arm/arch-omap')
-rw-r--r--include/asm-arm/arch-omap/cpu.h127
1 files changed, 121 insertions, 6 deletions
diff --git a/include/asm-arm/arch-omap/cpu.h b/include/asm-arm/arch-omap/cpu.h
index ec7eb675d922..e8a4cf52778b 100644
--- a/include/asm-arm/arch-omap/cpu.h
+++ b/include/asm-arm/arch-omap/cpu.h
@@ -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
@@ -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
@@ -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) \
@@ -100,9 +122,11 @@ 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
@@ -110,6 +134,8 @@ IS_OMAP_SUBCLASS(243x, 0x243)
#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)
@@ -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
/*
@@ -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)
@@ -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
@@ -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)
@@ -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