From 184c7940866703598a9fcbdb7f1be1dd31ff2718 Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Thu, 29 Oct 2020 12:54:07 -0500 Subject: docs/librem_mini: update CPU, known issues section MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Both 8565U and 8665U CPUs are used in the Librem Mini. SATA issue updated based on addition of HSIO PHY tuning params and resulting changes. Change-Id: I33a093ccfea077402e1b3651f9ca5d6d8a2818f8 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/c/coreboot/+/46983 Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons Reviewed-by: Michael Niewöhner --- Documentation/mainboard/purism/librem_mini.md | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) (limited to 'Documentation/mainboard/purism/librem_mini.md') diff --git a/Documentation/mainboard/purism/librem_mini.md b/Documentation/mainboard/purism/librem_mini.md index be9a3e5632..e098a24778 100644 --- a/Documentation/mainboard/purism/librem_mini.md +++ b/Documentation/mainboard/purism/librem_mini.md @@ -4,7 +4,7 @@ This page describes how to run coreboot on the [Purism Librem Mini]. ```eval_rst +------------------+--------------------------------------------------+ -| CPU | Intel Core i7-8565U | +| CPU | Intel Core i7-8565U/8665U | +------------------+--------------------------------------------------+ | PCH | Whiskey Lake / Cannon Point LP | +------------------+--------------------------------------------------+ @@ -91,14 +91,15 @@ desoldering it from the mainboard. ## Known issues * SeaBIOS can be finicky with detecting USB devices - * Booting can sometimes hang when a bootsplash image is used with SeaBIOS - and VGA option ROM display init, related to display mode changing - * Issues with some SATA devices have been mitigated by limiting the SATA speed to 3Gbps - until the correct HSIO PHY settings can be determined. + * Mode switching with VGA option ROM display init can be slow and sometimes hangs + * Some SATA devices on the 2.5" interface can have issues operating at 6 Gbps, + despite the HSIO PHY settings being set optimally via experimentation. These devices + may show errors in dmesg and drop down to 3 Gbps, but should not fail to boot. + The same issue is present on the AMI vendor firmware. ## Working - * External displays via HDMI/DislpayPort with VGA option ROM or FSP/GOP init + * External displays via HDMI/DisplayPort with VGA option ROM or FSP/GOP init (no libgfxinit support yet) * SeaBIOS (1.13.x), Tianocore (CorebootPayloadpkg), Heads (Purism downstream) payloads * Ethernet, m.2 2230 Wi-Fi -- cgit v1.2.3