[S] Change in coreboot[master]: soc/mediatek/mt8188: Set pin drive strength to 8mA for NOR

[jason-ch chen (Code Review)]

Attention is currently required from: Hung-Te Lin, jason-ch chen.

Hello Hung-Te Lin, build bot (Jenkins), Rex-BC Chen, Yu-Ping Wu, Yidi Lin,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/74064

to look at the new patch set (#10).

Change subject: soc/mediatek/mt8188: Set pin drive strength to 8mA for NOR
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soc/mediatek/mt8188: Set pin drive strength to 8mA for NOR

Set NOR pin drive to 8mA to comply with HW requirement.

This implementation is according to chapter 5.8 and 5.19 in MT8188
Functional Specification.

BUG=b:270911452
TEST=boot with following logs
[DEBUG]  mtk_snfc_init: got pin drive: 0x3
[DEBUG]  mtk_snfc_init: got pin drive: 0x3
[DEBUG]  mtk_snfc_init: got pin drive: 0x3
[DEBUG]  mtk_snfc_init: got pin drive: 0x3

Change-Id: If8344449f5b34cefcaaee6936e94f7f669c7148b
Signed-off-by: Jason Chen 
---
M src/soc/mediatek/mt8188/spi.c
1 file changed, 31 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/64/74064/10