[LinuxBIOS] Fwd: Re: smbus_write_byte

Marc Jones marc.jones at amd.com
Tue Aug 21 17:48:06 CEST 2007

Joseph Smith wrote:
>>> Joe,
>>> There is an example of an spd array in
>>> mainboard/artecgroup/dbe61/cache_as_ram_auto.c spd_read_byte(). You
>>> will have to generate the correct SPD values for your memory.
>>> Marc
> Cool!! So let me get this straight. The function spd_read_byte() in  
> cache_as_ram_auto.c is re-defining the spd_read_byte() function from  
> src/southbridge/amd/cs5536/cs5536_early_smbus.c correct?
> And it is saying that if the device is DIMM0 (0xA0) to read from the array?
> So what if it is DIMM1 (0xA2)? Does it use the normal spd_read_byte()  
> from cs5536_early_smbus.c?
> Thanks - Joe
No, If it is 0xA2 it returns 0xFF as if the spd is not there.

Marc Jones
Senior Firmware Engineer
(970) 226-9684 Office
mailto:Marc.Jones at amd.com

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