On 2023-12-08 15:42,  Yoshinoya wrote:
There is a description about UEFI Drivers in 1.4 Abbreviations in this doc.

UEFI Drivers : UEFI CXL Bus and memory device drivers.

I think UEFI CXL Drivers is a part of System Firmware(UEFI BIOS). 

These UEFI Drivers may do some basic configuation for some direct attached clx 
type-3 devices.
_._,_._

I found that description too, but in "Figure 34-High-level sequence: System 
Firmware boot" it shows that system firmware could 
enumerate CXL components and be followed with an optional UEFI Boot Sequence 
which also could enumerate CXL components
 (Figure 35). In my understanding, only UEFI CXL Bus and memory device drivers 
could enumerate CXL components, therefore, 
how system firmware could finish this responsibilty?

Many thanks
Yuquan


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