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mb/google/skywalker: Use FW_CONFIG for storage and dual init support

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Replace AUXADC with FW_CONFIG for storage type detection, and allow
unprovisioned CBI to initialize both eMMC and UFS, providing greater
flexibility for ODMs.

BUG=b:469517374
TEST=boot successfully with both UFS and eMMC SKUs
BRANCH=skywalker

Signed-off-by: Vince Liu <vince-wl.liu@mediatek.corp-partner.google.com>
Change-Id: I400d0a452a5c25b5f429b99bf0b62591ac6cbe1f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/90649
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
This commit is contained in:
Vince Liu 2025-12-30 17:24:57 +08:00 • committed by Yidi Lin
commit 25d159a7ec
1 changed files with 3 additions and 1 deletions
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4
src/mainboard/google/skywalker/mainboard.c
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@ -124,7 +124,9 @@ static void mainboard_init(struct device *dev)
{
mt6359p_init_pmif_arb();
if (mainboard_get_storage_type() == STORAGE_EMMC) {
if (!fw_config_is_provisioned()) {
mtk_msdc_configure_emmc(true);
} else if (fw_config_probe(FW_CONFIG(STORAGE, STORAGE_EMMC))) {
mtk_msdc_configure_emmc(true);
mtcmos_ufs_power_off();
}