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From: Dirk Behme <dirk.behme@de.bosch.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] mx6: Read silicon revision from register
Date: Tue, 13 Mar 2012 15:37:45 +0100	[thread overview]
Message-ID: <4F5F5BB9.2090104@de.bosch.com> (raw)
In-Reply-To: <1331648310-13064-1-git-send-email-fabio.estevam@freescale.com>

On 13.03.2012 15:18, Fabio Estevam wrote:
> Instead of hardcoding the mx6 silicon revision, read it from the proper register.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
> Changes since v1:
> - Fix typo on Subject
>  arch/arm/cpu/armv7/mx6/soc.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
> index 2ac74b5..639bf30 100644
> --- a/arch/arm/cpu/armv7/mx6/soc.c
> +++ b/arch/arm/cpu/armv7/mx6/soc.c
> @@ -32,7 +32,8 @@
>  
>  u32 get_cpu_rev(void)
>  {
> -	int system_rev = 0x61000 | CHIP_REV_1_0;
> +	int reg = readl(ANATOP_BASE_ADDR + 0x260) & 0xFF;

Can we get a register overlay instead of the 'ANATOP_BASE_ADDR + 0x260'? 
Like in the rest of the file, e.g.

readl(&fuse->mac_addr_high);
writel(0x00000000, &aips1->opacr0);

Best regards

Dirk

  reply	other threads:[~2012-03-13 14:37 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-13 14:18 [U-Boot] [PATCH v2] mx6: Read silicon revision from register Fabio Estevam
2012-03-13 14:37 ` Dirk Behme [this message]
2012-03-13 15:40 ` Eric Nelson
2012-03-13 15:49   ` Stefano Babic
2012-03-13 18:01     ` Eric Nelson
2012-03-13 17:04   ` Fabio Estevam

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