All of lore.kernel.org
 help / color / mirror / Atom feed
From: Sam Ravnborg <sam@ravnborg.org>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH 1/3] sparc64: correctly recognise M7 cpu type
Date: Tue, 19 Aug 2014 15:21:57 +0000	[thread overview]
Message-ID: <20140819152157.GA22398@ravnborg.org> (raw)
In-Reply-To: <1408424013-20390-1-git-send-email-allen.pais@oracle.com>

On Tue, Aug 19, 2014 at 10:23:32AM +0530, Allen Pais wrote:
>  The following patch adds support for correctly
> recognising M7 cpu type.
> 
> Signed-off-by: Allen Pais <allen.pais@oracle.com>
> ---
>  arch/sparc/include/asm/spitfire.h |    1 +
>  arch/sparc/kernel/cpu.c           |    6 ++++++
>  arch/sparc/kernel/head_64.S       |   13 +++++++++++++
>  3 files changed, 20 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h
> index 3fc5869..9aec17b 100644
> --- a/arch/sparc/include/asm/spitfire.h
> +++ b/arch/sparc/include/asm/spitfire.h
> @@ -45,6 +45,7 @@
>  #define SUN4V_CHIP_NIAGARA3	0x03
>  #define SUN4V_CHIP_NIAGARA4	0x04
>  #define SUN4V_CHIP_NIAGARA5	0x05
> +#define SUN4V_CHIP_SPARC_M7	0x08
>  #define SUN4V_CHIP_SPARC64X	0x8a
>  #define SUN4V_CHIP_UNKNOWN	0xff
>  
> diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
> index 82a3a71..55dfb62 100644
> --- a/arch/sparc/kernel/cpu.c
> +++ b/arch/sparc/kernel/cpu.c
> @@ -494,6 +494,12 @@ static void __init sun4v_cpu_probe(void)
>  		sparc_pmu_type = "niagara5";
>  		break;
>  
> +	case SUN4V_CHIP_SPARC_M7:
> +		sparc_cpu_type = "SPARC-M7";
> +		sparc_fpu_type = "SPARC-M7 integrated FPU";
> +		sparc_pmu_type = "sparc-m7";
> +		break;
> +
>  	case SUN4V_CHIP_SPARC64X:
>  		sparc_cpu_type = "SPARC64-X";
>  		sparc_fpu_type = "SPARC64-X integrated FPU";
> diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S
> index 452f04f..508a542 100644
> --- a/arch/sparc/kernel/head_64.S
> +++ b/arch/sparc/kernel/head_64.S
> @@ -414,6 +414,7 @@ sun4v_chip_type:
>  	cmp	%g2, 'T'
>  	be,pt	%xcc, 70f
>  	 cmp	%g2, 'M'
> +	be,pt	%xcc, 71f
>  	bne,pn	%xcc, 49f
Looks like you are missing a nop in the delay slot?

	Sam

  reply	other threads:[~2014-08-19 15:21 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-19  4:53 [PATCH 1/3] sparc64: correctly recognise M7 cpu type Allen Pais
2014-08-19 15:21 ` Sam Ravnborg [this message]
2014-08-21 10:15 ` Allen Pais
2014-08-21 12:14 ` Sam Ravnborg
2014-08-21 12:29 ` Richard Mortimer
2014-08-21 13:52 ` Allen Pais
2014-08-22  5:09 ` David Miller
2014-08-22  5:10 ` David Miller

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140819152157.GA22398@ravnborg.org \
    --to=sam@ravnborg.org \
    --cc=sparclinux@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.