linux-kernel - [PATCH] ARM: OMAP2: AM33XX: id: Add support for new AM335x PG2.1 Si

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Message-ID: <1367691820-11875-1-git-send-email-hvaibhav@ti.com>
Date:	Sat, 4 May 2013 23:53:40 +0530
From:	Vaibhav Hiremath <hvaibhav@...com>
To:	<linux-omap@...r.kernel.org>
CC:	<tony@...mide.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, Vaibhav Hiremath <hvaibhav@...com>
Subject: [PATCH] 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@...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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