Patrick Georgi has submitted this change and it was merged. ( https://review.coreboot.org/c/coreboot/+/32464 )
Change subject: mediatek/mt8183: Set CPU frequency to 1417MHz ......................................................................
mediatek/mt8183: Set CPU frequency to 1417MHz
With the default CPU voltage (0.8v), CPU frequency should be 1417Mhz at most. We have to raise CPU frequency to 1989MHz after increasing CPU voltage to 1.05v in romstage.
BUG=b:80501386 BRANCH=none Test=Boots correctly on Kukui
Change-Id: I4c3e0fa27ccda8e0efe422b6ab503a1efb1697e9 Signed-off-by: Tristan Shieh tristan.shieh@mediatek.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/32464 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Hung-Te Lin hungte@chromium.org Reviewed-by: Julius Werner jwerner@chromium.org --- M src/soc/mediatek/mt8183/include/soc/pll.h 1 file changed, 1 insertion(+), 1 deletion(-)
Approvals: build bot (Jenkins): Verified Julius Werner: Looks good to me, approved Hung-Te Lin: Looks good to me, but someone else must approve
diff --git a/src/soc/mediatek/mt8183/include/soc/pll.h b/src/soc/mediatek/mt8183/include/soc/pll.h index e6f5711..2a72e2c 100644 --- a/src/soc/mediatek/mt8183/include/soc/pll.h +++ b/src/soc/mediatek/mt8183/include/soc/pll.h @@ -244,7 +244,7 @@
/* PLL rate */ enum { - ARMPLL_LL_HZ = 1989 * MHz, + ARMPLL_LL_HZ = 1417 * MHz, ARMPLL_L_HZ = 1200 * MHz, CCIPLL_HZ = 598 * 2 * MHz, MAINPLL_HZ = 1092 * MHz,