[coreboot-gerrit] Change in coreboot[master]: mb/hp/280_g2: Add new mainboard

[Angel Pons (Code Review)]

Attention is currently required from: Nico Huber, Arthur Heymans, Michael Niewöhner, Patrick Rudolph.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/48386 )

Change subject: mb/hp/280_g2: Add new mainboard
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Patch Set 3:

(3 comments)

File src/mainboard/hp/280_g2/board_info.txt:

https://review.coreboot.org/c/coreboot/+/48386/comment/cb08c7fa_26696181 
PS3, Line 7:
> https://support.hp.com/us-en/document/c04955444 […]

Done

File src/mainboard/hp/280_g2/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/48386/comment/019080be_6728e879 
PS3, Line 8: 	register "PmConfigSlpS3MinAssert"	= "SLP_S3_MIN_ASSERT_50MS"
           : 	register "PmConfigSlpS4MinAssert"	= "SLP_S4_MIN_ASSERT_4S"
           : 	register "PmConfigSlpSusMinAssert"	= "SLP_SUS_MIN_ASSERT_4S"
           : 	register "PmConfigSlpAMinAssert"	= "SLP_A_MIN_ASSERT_2S"
           : 	register "PmConfigPwrCycDur"		= "RESET_POWER_CYCLE_4S"
           :
> Reminds me I should check if these need to be adjusted

Done

File src/mainboard/hp/280_g2/romstage.c:

https://review.coreboot.org/c/coreboot/+/48386/comment/87133c44_7e26c0c1 
PS3, Line 50: RealtimeMemoryTiming
> Hmm, good point. […]

Done