From 9fd8b85e8d8b271ae99196e72875a22ae4c7278c Mon Sep 17 00:00:00 2001 From: Michael Roth Date: Thu, 10 Feb 2022 15:36:20 -0600 Subject: README.md: update to reflect latest firmware --- README.md | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) (limited to 'README.md') diff --git a/README.md b/README.md index 1bcb3ea..d96c006 100644 --- a/README.md +++ b/README.md @@ -81,14 +81,15 @@ AMD Memory Encryption Features active: SEV SEV-ES SEV-SNP ## Upgrade SEV firmware -The SEV-SNP support requires firmware version >= 1.50:1. The latest SEV-SNP firmware is available on developer.amd.com/sev and on linux-firmware project. -Follow the below step to upgrade to latest firmware +The SEV-SNP support requires firmware version >= 1.50:1. The latest SEV-SNP firmware is available on https://developer.amd.com/sev and eventually via linux-firmware project. + +The below steps document the firmware upgrade process for the latest SEV-SNP firmware available on https://developer.amd.com/sev at the time this was written. A similar procedure can be used for newer firmwares as well: ``` -# wget https://developer.amd.com/wp-content/resources/amd_sev_fam19h_model0xh_1.33.01.zip -# unzip amd_sev_fam19h_model0xh_1.33.01.zip +# wget https://developer.amd.com/wp-content/resources/amd_sev_fam19h_model0xh_1.33.03.zip +# unzip amd_sev_fam19h_model0xh_1.33.03.zip # sudo mkdir -p /lib/firmware/amd -# sudo cp amd_sev_fam19h_model0xh_1.33.01.sbin /lib/firmware/amd/amd_sev_fam19h_model0xh.sbin +# sudo cp amd_sev_fam19h_model0xh_1.33.03.sbin /lib/firmware/amd/amd_sev_fam19h_model0xh.sbin ``` Then either reboot the host, or reload the ccp driver to complete the firmware upgrade process: -- cgit v1.2.3-71-gd317