From 06bb2750c274397ca44fd7d98a2827653d420dc9 Mon Sep 17 00:00:00 2001 From: XP Chen Date: Thu, 17 Jun 2021 16:45:18 -0500 Subject: meta-fii/meta-kudo: Set Ampere CPU LPI_FREQ_Disable Add method to disable LPI mode for Ampere CPU when flash kudo bios Signed-off-by: XP Chen Change-Id: Ieec4b93bceceb9e809482b14686582d0b1cbc971 --- meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh | 2 ++ 1 file changed, 2 insertions(+) (limited to 'meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh') diff --git a/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh b/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh index 1ef73cc13..d103747b2 100644 --- a/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh +++ b/meta-fii/meta-kudo/recipes-kudo/kudo-fw-utility/kudo-fw/kudo-fw.sh @@ -41,6 +41,8 @@ function fwbios() { dd if=$1 bs=1024 skip=17156 count=256 of=/run/initramfs/myscp.img fwscp /run/initramfs/myscp.img fi + # Disable LPI mode NV_SI_CPU_LPI_FREQ_DISABLE. + nvparm -s 0x1 -o 0x114090 rm -f $1 } -- cgit v1.2.3