From: Sascha Hauer <s.hauer@pengutronix.de>
To: "S. Fricke" <sfricke@data-modul.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH V2] ARM i.MX6: set imx6 silicon revision
Date: Wed, 5 Jun 2013 08:52:39 +0200 [thread overview]
Message-ID: <20130605065239.GP32299@pengutronix.de> (raw)
In-Reply-To: <1370351277-23582-1-git-send-email-sfricke@data-modul.com>
On Tue, Jun 04, 2013 at 03:07:57PM +0200, S. Fricke wrote:
> From: "S. Fricke" <sfricke@data-modul.com>
>
> This is mainly a backport of the imx6_revision function of
> arch/arm/mach-imx/mach-imx6q.c in the linux kernel sources.
>
> Signed-off-by: S. Fricke <sfricke@data-modul.com>
Applied, thanks
Sascha
> ---
> arch/arm/mach-imx/imx6.c | 26 ++++++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm/mach-imx/imx6.c b/arch/arm/mach-imx/imx6.c
> index 5c20aa1..1d69ec8 100644
> --- a/arch/arm/mach-imx/imx6.c
> +++ b/arch/arm/mach-imx/imx6.c
> @@ -16,8 +16,11 @@
> #include <io.h>
> #include <sizes.h>
> #include <mach/generic.h>
> +#include <mach/revision.h>
> #include <mach/imx6-regs.h>
>
> +#define SI_REV 0x260
> +
> void imx6_init_lowlevel(void)
> {
> void __iomem *aips1 = (void *)MX6_AIPS1_ON_BASE_ADDR;
> @@ -55,8 +58,31 @@ void imx6_init_lowlevel(void)
>
> static int imx6_init(void)
> {
> + u32 rev;
> + u32 mx6_silicon_revision;
> +
> imx6_boot_save_loc((void *)MX6_SRC_BASE_ADDR);
>
> + rev = readl(MX6_ANATOP_BASE_ADDR + SI_REV);
> + switch (rev & 0xff) {
> + case 0x00:
> + mx6_silicon_revision = IMX_CHIP_REV_1_0;
> + break;
> +
> + case 0x01:
> + mx6_silicon_revision = IMX_CHIP_REV_1_1;
> + break;
> +
> + case 0x02:
> + mx6_silicon_revision = IMX_CHIP_REV_1_2;
> + break;
> +
> + default:
> + mx6_silicon_revision = IMX_CHIP_REV_UNKNOWN;
> + }
> +
> + imx_set_silicon_revision("i.MX6", mx6_silicon_revision);
> +
> if (of_get_root_node())
> return 0;
>
> --
> 1.8.3
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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prev parent reply other threads:[~2013-06-05 6:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 13:07 S. Fricke
2013-06-05 6:52 ` Sascha Hauer [this message]
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