From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sergei Shtylyov <sshtylyov@mvista.com>
Date: Fri, 23 Sep 2011 18:32:51 +0400
Subject: [U-Boot] [PATCH 2/2] dm646x: pass board revision info to kernel
In-Reply-To: <1316608831-31016-3-git-send-email-nagabhushana.netagunte@ti.com>
References: <1316608831-31016-1-git-send-email-nagabhushana.netagunte@ti.com>
	<1316608831-31016-3-git-send-email-nagabhushana.netagunte@ti.com>
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Hello.

On 09/21/2011 04:40 PM, nagabhushana.netagunte at ti.com wrote:

> From: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>

> add a function in board file to pass board revision
> info to kernel. Revision number 0 and 1 are passed in
> case of DM6467 and DM6467T respectively.

> Signed-off-by: Nagabhushana Netagunte <nagabhushana.netagunte@ti.com>
> ---
>   board/davinci/dm6467evm/dm6467evm.c  |   19 +++++++++++++++++++
>   include/configs/davinci_dm6467Tevm.h |    2 ++
>   include/configs/davinci_dm6467evm.h  |    1 +
>   3 files changed, 22 insertions(+), 0 deletions(-)

> diff --git a/board/davinci/dm6467evm/dm6467evm.c b/board/davinci/dm6467evm/dm6467evm.c
> index 1a01c3c..b582e97 100644
> --- a/board/davinci/dm6467evm/dm6467evm.c
> +++ b/board/davinci/dm6467evm/dm6467evm.c
> @@ -24,6 +24,25 @@
>
>   DECLARE_GLOBAL_DATA_PTR;
>
> +#define REV_DM6446EVM		0
> +#define REV_DM6467TEVM		1
> +/*
> + * get_board_rev() - setup to pass kernel board revision information
> + * Returns:
> + * bit[0-3]	System clock frequency
> + * 0000b	- 27 MHz
> + * 0001b	- 33 MHz
> + */
> +u32 get_board_rev(void)
> +{
> +
> +#ifdef DAVINCI_DM6467TEVM
> +	return REV_DM6467TEVM;
> +#endif

    Maybe #else here?..

> +
> +	return REV_DM6446EVM;

    ... and #endif here?

> +}
> +
>   int board_init(void)
>   {
>   	gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DM6467_EVM;

WBR, Sergei