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Change subject: soc/amd/{CZN,MDN,PCO}: Fix building with only single RW region
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Patch Set 1: Code-Review+2
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Change subject: soc/amd/{stoney,picasso}/Kconfig: Fix guarding of amdfw
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Change subject: mb/google/skyrim: Override SPI flash bus speed
......................................................................
Patch Set 2:
(1 comment)
File src/mainboard/google/skyrim/Kconfig:
https://review.coreboot.org/c/coreboot/+/68116/comment/42f27faa_5595d8a7
PS1, Line 143: endif # !EM100
> nit: Move the new values after these default values, to match the guybrush `Kconfig` ordering (and m […]
Done
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Hello build bot (Jenkins), Raul Rangel, Jason Nien, Jon Murphy, Martin Roth, Tim Van Patten,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/68116
to look at the new patch set (#2).
Change subject: mb/google/skyrim: Override SPI flash bus speed
......................................................................
mb/google/skyrim: Override SPI flash bus speed
Add configuration to bump up the SPI flash bus speed from 66 MHz to 100
MHz starting the board version where required schematics update is done.
BUG=b:245949155
TEST=Build and boot to OS in Skyrim with 100 MHz SPI bus speed. Perform
warm and cold reboot cycles for 100 iterations each. Observe that the
boot time improved by ~115 ms compared to 66 MHz SPI flash bus speed.
At 66 MHz:
508:finished loading body 538,319 (83,806)
11:start of bootblock 1,196,809 (624,777)
14:finished loading romstage 1,236,905 (39,163)
970:loading FSP-M 1,237,056 (37)
15:starting LZMA decompress (ignore for x86) 1,237,073 (17)
16:finished LZMA decompress (ignore for x86) 1,358,937 (121,864)
8:starting to load ramstage 2,010,304 (0)
15:starting LZMA decompress (ignore for x86) 2,010,312 (8)
16:finished LZMA decompress (ignore for x86) 2,067,181 (56,869)
971:loading FSP-S 2,078,232 (7,999)
17:starting LZ4 decompress (ignore for x86) 2,078,253 (21)
18:finished LZ4 decompress (ignore for x86) 2,084,297 (6,044)
90:starting to load payload 2,316,933 (5)
15:starting LZMA decompress (ignore for x86) 2,316,947 (14)
16:finished LZMA decompress (ignore for x86) 2,339,819 (22,872)
Total Time: 2,464,338
At 100 MHz:
508:finished loading body 515,118 (59,364)
11:start of bootblock 1,115,043 (566,110)
14:finished loading romstage 1,146,713 (29,697)
970:loading FSP-M 1,146,865 (38)
15:starting LZMA decompress (ignore for x86) 1,146,881 (16)
16:finished LZMA decompress (ignore for x86) 1,249,351 (102,470)
8:starting to load ramstage 1,900,568 (1)
15:starting LZMA decompress (ignore for x86) 1,900,576 (8)
16:finished LZMA decompress (ignore for x86) 1,956,337 (55,761)
971:loading FSP-S 1,967,357 (7,930)
17:starting LZ4 decompress (ignore for x86) 1,967,377 (20)
18:finished LZ4 decompress (ignore for x86) 1,972,925 (5,548)
90:starting to load payload 2,205,300 (6)
15:starting LZMA decompress (ignore for x86) 2,205,313 (13)
16:finished LZMA decompress (ignore for x86) 2,227,087 (21,774)
Total Time: 2,349,804
Signed-off-by: Karthikeyan Ramasubramanian <kramasub(a)google.com>
Change-Id: I5e8db22151fbc2db1f9e81b3644338348160736d
---
M src/mainboard/google/skyrim/Kconfig
M src/mainboard/google/skyrim/Makefile.inc
A src/mainboard/google/skyrim/spi_speeds.c
3 files changed, 84 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/16/68116/2
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Change subject: mb/google/skyrim: Override SPI flash bus speed
......................................................................
Patch Set 1:
(1 comment)
File src/mainboard/google/skyrim/Kconfig:
https://review.coreboot.org/c/coreboot/+/68116/comment/66c082a3_9f53871e
PS1, Line 96: default 0x5 if BOARD_GOOGLE_SKYRIM
: default 0xffffffff
> Does this mean 100mhz only works on skyrim, and not any of the variants? […]
Even on skyrim, it works only on the board versions where the stubs to debug header is removed to meet SI requirements.
Similar exercise has to be done for other variants before enabling 100 MHz on them. Usually hardware team work along with the partner to measure the SI and then pass the bug to SW team to enable it.
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Change subject: mb/google/skyrim: Override SPI flash bus speed
......................................................................
Patch Set 1: Code-Review+1
(2 comments)
File src/mainboard/google/skyrim/Kconfig:
https://review.coreboot.org/c/coreboot/+/68116/comment/67879b57_c676654c
PS1, Line 96: default 0x5 if BOARD_GOOGLE_SKYRIM
: default 0xffffffff
Does this mean 100mhz only works on skyrim, and not any of the variants?
Is there a bug to track enabling 100mhz on the variants?
https://review.coreboot.org/c/coreboot/+/68116/comment/8a93b43a_b9e4392f
PS1, Line 143: endif # !EM100
nit: Move the new values after these default values, to match the guybrush `Kconfig` ordering (and make it easier to find the defaults).
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Change subject: MAINTAINERS: Update maintainers for several Google projects
......................................................................
Patch Set 5: Code-Review+2
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Change subject: brya: add new zydron variant
......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
> Is zydron going to be a SKU of kano?
If it is being done as a SKU of kano, then we need to take a different approach and won't need a seperate variant for zydron.
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Change subject: brya: add new zydron variant
......................................................................
Patch Set 1:
(1 comment)
Patchset:
PS1:
Is zydron going to be a SKU of kano?
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