[PATCH] ARM: DRA722: add detection of SoC information.
Tony Lindgren
tony at atomide.com
Mon Jun 16 04:53:14 PDT 2014
* Nishanth Menon <nm at 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 at 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
>
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