From 73d202807a1ca7225d7b79d5e403cc48bf0adfdc Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Thu, 29 May 2014 14:05:50 -0500 Subject: [PATCH] ARM: DRA722: add detection of SoC information Add support for DRA72x device DIEID. Currently these devices are reported as DRA75/74 family of processors. Signed-off-by: Nishanth Menon Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/id.c | 12 ++++++++++++ arch/arm/mach-omap2/soc.h | 1 + 2 files changed, 13 insertions(+) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 43969da5d50b..d42022f2a71e 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -649,6 +649,18 @@ void __init dra7xxx_check_revision(void) } break; + case 0xb9bc: + switch (rev) { + case 0: + omap_revision = DRA722_REV_ES1_0; + break; + default: + /* If we have no new revisions */ + omap_revision = DRA722_REV_ES1_0; + break; + } + break; + default: /* Unknown default to latest silicon rev as default*/ pr_warn("%s: unknown idcode=0x%08x (hawkeye=0x%08x,rev=0x%d)\n", diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index de2a34c423a7..01ca8086fb6c 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -462,6 +462,7 @@ IS_OMAP_TYPE(3430, 0x3430) #define DRA7XX_CLASS 0x07000000 #define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8)) #define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8)) +#define DRA722_REV_ES1_0 (DRA7XX_CLASS | (0x22 << 16) | (0x10 << 8)) void omap2xxx_check_revision(void); void omap3xxx_check_revision(void);