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authorNishanth Menon <nm@ti.com>2014-05-29 14:05:50 -0500
committerTony Lindgren <tony@atomide.com>2014-06-16 04:52:11 -0700
commit73d202807a1ca7225d7b79d5e403cc48bf0adfdc (patch)
treeddabc4303bbe7c43cba306f6302c717131904e0c /arch/arm
parentf5467da80b193edcf52cf6a14e762fdc9a2fb521 (diff)
downloadop-kernel-dev-73d202807a1ca7225d7b79d5e403cc48bf0adfdc.zip
op-kernel-dev-73d202807a1ca7225d7b79d5e403cc48bf0adfdc.tar.gz
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 <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-omap2/id.c12
-rw-r--r--arch/arm/mach-omap2/soc.h1
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 43969da..d42022f 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 de2a34c..01ca808 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);
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