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>

diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 43969da..d42022f 100644 (file)
--- 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 (file)
--- 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);