[U-Boot-Users] [PATCH] I2C Dummy Driver

[Michal Simek <monstr@seznam.cz>]

Hi Ricardo,


> Hi Wolfgang
> 
>> What is the intention or practical use of this dummy driver?
> 
> 
>   I developed this driver for two reasons,
> 
>      I wanted a dummy driver to test the i2c subsystem
>      I wanted a way of use the ddr2 autoconfiguration for ppc440 without i2c.
> 
> 
>>> +#if defined(CONFIG_DUMMY_I2C)
>>> +u8 i2c_dummy_buffer[256]={0x80,0x8,0x8,0x0D,0x0A,0x60,0x40,0x0,0x5,0x3D,0x50,0x0,0x82,0x10,0x0,0x0,0x0C,0x4,0x18,0x1,0x4,0x0,0x1,0x50,0x50,0x0,0x0,0x3C,0x28,0x3C,0x2D,0x40,0x25,0x37,0x10,0x22,0x3C,0x1E,0x1E,0x0,0x0,0x3C,0x69,0x80,0x1E,0x28,0x0,0x0,0x0,
>>> 0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x12,0xC9,0x2C,'0','0','0','0','0','0','0',0x0,'4','H','T','F','3','2','6','4','H','Y','-','5','3','E','D','3',0x3,0x0,0x0,0x0,0x0};
>> Line way too long.
>>
>> Maybe you also want to explain where these magic data is coming from
>> or what it means?
> 
> It is the identification data of my ddr2 memory.

I think you will have to recoded it for better understanding.

M




> I will redo this patch and sent it again if you consider it useful for
> the mainline.
> 
> 
>      Best Regards and thanks for your comments
> 
> 
>> --
>> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
>> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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>>                              - Fred Brooks, "The Mythical Man Month"
>>
> 
> 
>