ARM: OMAP2: AM33XX: id: Add support for new AM335x PG2.1 Si

Add support for chip id detection of AM335x PG2.1 Silicon.

Currently omap3xxx_check_revision() detects PG1.0 and PG2.0 only,
this patch extends it by adding PG2.1 Si support.

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

2 files changed, 7 insertions, 2 deletions

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 0f4c18e6e60c..9bc5a18794f9 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -419,11 +419,15 @@ void __init omap3xxx_check_revision(void)
                         cpu_rev = "1.0";
                         break;
                 case 1:
-                /* FALLTHROUGH */
-                default:
                         omap_revision = AM335X_REV_ES2_0;
                         cpu_rev = "2.0";
                         break;
+                case 2:
+                /* FALLTHROUGH */
+                default:
+                        omap_revision = AM335X_REV_ES2_1;
+                        cpu_rev = "2.1";
+                        break;
                 }
                 break;
         case 0xb8f2:
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index ea89594b7afa..197cc16870d9 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -396,6 +396,7 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define AM335X_CLASS            0x33500033
 #define AM335X_REV_ES1_0        AM335X_CLASS
 #define AM335X_REV_ES2_0        (AM335X_CLASS | (0x1 << 8))
+#define AM335X_REV_ES2_1        (AM335X_CLASS | (0x2 << 8))
 
 #define OMAP443X_CLASS          0x44300044
 #define OMAP4430_REV_ES1_0      (OMAP443X_CLASS | (0x10 << 8))