[PATCH] ARM: DRA722: add detection of SoC information.

[PATCH] ARM: DRA722: add detection of SoC information.

[Nishanth Menon]

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>
---
 (test using linux-next next-20140529 tag):
 before: http://slexy.org/raw/s21Yb8sOhy
 after:  http://slexy.org/raw/s20Nx96NrY

 Applies on:
 git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git 
 branch: omap-for-v3.16/soc

 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 71bf216..801244a 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);
-- 
1.7.9.5

Re: [PATCH] ARM: DRA722: add detection of SoC information.

[Tony Lindgren]

* Nishanth Menon <nm@ti.com> [140529 12:07]:
> 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>

Thanks applying into omap-for-v3.16/fixes.

Tony

> ---
>  (test using linux-next next-20140529 tag):
>  before: http://slexy.org/raw/s21Yb8sOhy
>  after:  http://slexy.org/raw/s20Nx96NrY
> 
>  Applies on:
>  git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git 
>  branch: omap-for-v3.16/soc
> 
>  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 71bf216..801244a 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);
> -- 
> 1.7.9.5
>