From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ben Warren <bwarren@qstreams.com>
Date: Mon, 22 Oct 2007 11:30:43 -0400
Subject: [U-Boot-Users] I2C scanning
In-Reply-To: <CE54F2377C0FB8439A290BF5A88BF13D071426C4@CHN-HCLT-EVS01.HCLT.CORP.HCL.IN>
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	<471CBA57.7060005@qstreams.com>
	<CE54F2377C0FB8439A290BF5A88BF13D071426C4@CHN-HCLT-EVS01.HCLT.CORP.HCL.IN>
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Yasothabalan Ramaswamy-TLS,Chennai wrote:
> I am able to switch between both the buses, by CONFIG_I2C_MODULE to 1 or
> 2.
>
> #if (CFG_I2C_MODULE == 2)
> #define I2C_BASE    MPC5XXX_I2C2
> #elif (CFG_I2C_MODULE == 1)
> #define I2C_BASE    MPC5XXX_I2C1
> #else
> #error CFG_I2C_MODULE is not properly configured
> #endif
>
> But my problem is I have to scan both the buses dynamically in the run
> time.
>
>   
I understand. Please re-read my earlier response, and do some research 
into your I2C controller. The other I2C controller (fsl_i2c.c), supports 
run-time switching between buses, and may or not be applicable to your 
CPU. If it's not, here's an opportunity for you to update the 5xxx driver.

regards,
Ben