omap3: Runtime detection of OMAP35x devices

Add runtime check for these OMAP35x variations
based on the detected Si features:
  OMAP3503, OMAP3515, OMAP3525 and OMA3530.

Also, delayed the call to pr_info() into actual
variant is detected in omap3_cpuinfo()

Signed-off-by: Sanjeev Premi <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index 431fec45bbb..a67439327de 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -59,6 +59,23 @@ struct omap_chip_id {
 unsigned int omap_rev(void);
 
 /*
+ * Define CPU revision bits
+ *
+ * Verbose meaning of the revision bits may be different for a silicon
+ * family. This difference can be handled separately.
+ */
+#define OMAP_REVBITS_00         0x00
+#define OMAP_REVBITS_10         0x10
+#define OMAP_REVBITS_20         0x20
+#define OMAP_REVBITS_30         0x30
+#define OMAP_REVBITS_40         0x40
+
+/*
+ * Get the CPU revision for OMAP devices
+ */
+#define GET_OMAP_REVISION()     ((omap_rev() >> 8) & 0xff)
+
+/*
  * Test if multicore OMAP support is needed
  */
 #undef MULTI_OMAP1
@@ -303,6 +320,10 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define cpu_is_omap2422()               0
 #define cpu_is_omap2423()               0
 #define cpu_is_omap2430()               0
+#define cpu_is_omap3503()               0
+#define cpu_is_omap3515()               0
+#define cpu_is_omap3525()               0
+#define cpu_is_omap3530()               0
 #define cpu_is_omap3430()               0
 
 /*
@@ -353,7 +374,21 @@ IS_OMAP_TYPE(3430, 0x3430)
 
 #if defined(CONFIG_ARCH_OMAP34XX)
 # undef cpu_is_omap3430
+# undef cpu_is_omap3503
+# undef cpu_is_omap3515
+# undef cpu_is_omap3525
+# undef cpu_is_omap3530
 # define cpu_is_omap3430()              is_omap3430()
+# define cpu_is_omap3503()              (cpu_is_omap3430() &&           \
+                                                (!omap3_has_iva()) &&   \
+                                                (!omap3_has_sgx()))
+# define cpu_is_omap3515()              (cpu_is_omap3430() &&           \
+                                                (omap3_has_iva()) &&    \
+                                                (!omap3_has_sgx()))
+# define cpu_is_omap3525()              (cpu_is_omap3430() &&           \
+                                                (omap3_has_sgx()) &&    \
+                                                (!omap3_has_iva()))
+# define cpu_is_omap3530()              (cpu_is_omap3430())
 #endif
 
 # if defined(CONFIG_ARCH_OMAP4)
@@ -384,6 +419,12 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define OMAP3430_REV_ES3_0      0x34303034
 #define OMAP3430_REV_ES3_1      0x34304034
 
+#define OMAP35XX_CLASS          0x35000034
+#define OMAP3503_REV(v)         (OMAP35XX_CLASS | (0x3503 << 16) | (v << 12))
+#define OMAP3515_REV(v)         (OMAP35XX_CLASS | (0x3515 << 16) | (v << 12))
+#define OMAP3525_REV(v)         (OMAP35XX_CLASS | (0x3525 << 16) | (v << 12))
+#define OMAP3530_REV(v)         (OMAP35XX_CLASS | (0x3530 << 16) | (v << 12))
+
 #define OMAP443X_CLASS          0x44300034
 
 /*