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Subject[PATCH] ARM: OMAP2: AM33XX: id: Add support for new AM335x PG2.1 Si
Date
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>
---
arch/arm/mach-omap2/id.c | 8 ++++++--
arch/arm/mach-omap2/soc.h | 1 +
2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 0f4c18e..9bc5a18 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 18fdeeb..ccef2dd 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))
--
1.7.0.4


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