From 5af044f472501c8e9bd6bb274fb3d71d07a038cd Mon Sep 17 00:00:00 2001 From: AnilKumar Ch Date: Fri, 1 Feb 2013 15:58:22 +0530 Subject: [PATCH] ARM: OMAP2: AM33XX: id: Add support for AM335x PG2.0 Add support for chip id recognition of AM335x PG2.0 silicon. By default omap3xxx_check_revision() recognizes PG1.0, which is extended by adding PG2.0 support Signed-off-by: AnilKumar Ch Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/id.c | 14 ++++++++++++-- arch/arm/mach-omap2/soc.h | 1 + 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 45cc7ed4dd58..8a68f1ec66b9 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -399,8 +399,18 @@ void __init omap3xxx_check_revision(void) } break; case 0xb944: - omap_revision = AM335X_REV_ES1_0; - cpu_rev = "1.0"; + switch (rev) { + case 0: + omap_revision = AM335X_REV_ES1_0; + cpu_rev = "1.0"; + break; + case 1: + /* FALLTHROUGH */ + default: + omap_revision = AM335X_REV_ES2_0; + cpu_rev = "2.0"; + break; + } break; case 0xb8f2: switch (rev) { diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index f31d90774de0..15e959111e23 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -387,6 +387,7 @@ 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 OMAP443X_CLASS 0x44300044 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8))