From 73d202807a1ca7225d7b79d5e403cc48bf0adfdc Mon Sep 17 00:00:00 2001
From: Nishanth Menon <nm@ti.com>
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 <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
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 43969da5d50bc2..d42022f2a71e67 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 de2a34c423a7fb..01ca8086fb6c73 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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