summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/mainboard/ocp/deltalake.md68
1 files changed, 38 insertions, 30 deletions
diff --git a/Documentation/mainboard/ocp/deltalake.md b/Documentation/mainboard/ocp/deltalake.md
index 017386e473..94facf6b25 100644
--- a/Documentation/mainboard/ocp/deltalake.md
+++ b/Documentation/mainboard/ocp/deltalake.md
@@ -1,8 +1,7 @@
# OCP Delta Lake
This page describes coreboot support status for the [OCP] (Open Compute Project)
-Delta Lake server platform. This page is updated following each 4-weeks
-build/test/release cycle.
+Delta Lake server platform.
## Introduction
@@ -12,22 +11,23 @@ Yosemite-V3. Both were announced by Facebook and Intel in [OCP virtual summit 20
Delta Lake server is a single socket Cooper Lake Scalable Processor (CPX-SP) server.
Yosemite-V3 has multiple configurations. Depending on configurations, it may
-host up to 4 Delta Lake servers in one sled.
+host up to 4 Delta Lake servers (blades) in one sled.
-The Yosemite-V3 program is in PVT phase. Facebook, Intel and partners
-jointly develop FSP/coreboot/LinuxBoot stack on Delta Lake as an alternative
-solution. This development reached EVT exit equivalent status.
+The Yosemite-V3 system is in mass production. Facebook, Intel and partners
+jointly develop Open System Firmware (OSF) solution on Delta Lake as an alternative
+solution. The OSF solution is based on FSP/coreboot/LinuxBoot stack. The
+OSF solution reached DVT exit equivalent status.
## Required blobs
-This board currently requires:
+Delta Lake server OSF solution requires:
- FSP blob: The blob (Intel Cooper Lake Scalable Processor Firmware Support Package)
- is not yet available to the public. It will be made public some time after the MP
- (Mass Production) of CPX-SP.
+ is not yet available to the public. It will be made public soon by Intel
+ with redistributable license.
- Microcode: Available through github.com:otcshare/Intel-Generic-Microcode.git.
-- ME binary: Ignition binary will be made public some time after the MP
- of CPX-SP.
-- ACM binaries: only required for CBnT enablement.
+- ME binary: Ignition binary will be made public soon by Intel with
+ redistributable license.
+- ACM binaries: only required for CBnT enablement. Available under NDA with Intel.
## Payload
- LinuxBoot: This is necessary only if you use LinuxBoot as coreboot payload.
@@ -61,13 +61,13 @@ VPD variables supported are:
- bmc_bootorder_override: When it's set to 1 IPMI OEM command can override boot
order. The boot order override is done in the u-root LinuxBoot payload.
- systemboot_log_level: u-root package systemboot log levels, would be mapped to
- quiet/verbose in systemboot as that is all we have for now. 5 to 8 would be mapped
- to verbose, 0 to 4 and 9 would be mapped to quiet.
-- DeltaLake specific VPDs: check mb/ocp/deltalake/vpd.h.
+ quiet/verbose in systemboot as that is all we have for now. 5 to 8 would be
+ mapped to verbose, 0 to 4 and 9 would be mapped to quiet.
+- VPDs affecting coreboot are listed/documented in src/mainboard/ocp/deltalake/vpd.h.
## Working features
-The solution is developed using LinuxBoot payload with Linux kernel 5.2.9, and [u-root]
-as initramfs.
+The solution is developed using LinuxBoot payload with Linux kernel 5.2.9,
+and [u-root] as initramfs.
- SMBIOS:
- Type 0 -- BIOS Information
- Type 1 -- System Information
@@ -96,11 +96,14 @@ as initramfs.
- TPM
- Bootguard profile 0T
- TXT
- - SRTM (verified through tboot)
- - memory secret clearance upon ungraceful shutdown
+ - SRTM
+ - DRTM (verified through tboot)
+ - unsigned KM/BPM generation
+ - KM/BPM signing
+ - memory secret clearance upon ungraceful shutdown
- Early serial output
- port 80h direct to GPIO
-- ACPI tables: APIC/DMAR/DSDT/FACP/FACS/HPET/MCFG/SPMI/SRAT/SLIT/SSDT
+- ACPI tables: APIC/DMAR/DSDT/EINJ/FACP/FACS/HEST/HPET/MCFG/SPMI/SRAT/SLIT/SSDT
- Skipping memory training upon subsequent reboots by using MRC cache
- BMC crash dump
- Error injection through ITP
@@ -109,13 +112,13 @@ as initramfs.
- Check Microcode version: cat /proc/cpuinfo | grep microcode
- Devices:
- Boot drive
- - NIC card
- All 5 data drives
+ - NIC card
- Power button
- localboot
- netboot from IPv6
-- basic memory hardware error injection/detection (SMI handler not upstreamed)
-- basic PCIe hardware error injection/detection (SMI handler not upstreamed)
+- basic memory hardware error injection/detection (SMI handlers not upstreamed)
+- basic PCIe hardware error injection/detection (SMI handlers not upstreamed)
## Stress/performance tests passed
- OS warm reboot (1000 cycles)
@@ -125,27 +128,32 @@ as initramfs.
- StressAppTest (6 hours)
- Ptugen (6 hours)
-## Performance tests on par with traditional firmware
+## Performance on par with traditional firmware
- coremark
-- SpecCPU
-- Linkpack
-- Iperf(IPv6)
- FIO
+- Iperf(IPv6)
+- Linpack
+- Intel MLC (memory latency and bandwidth)
+- SpecCPU
+- stream
## Other tests passed
- Power
- Thermal
+- coreboot address sanitizer (both romstage and ramstage)
+- Intel selftest tool (all errors analyzed; applicable errors clean)
## Known issues
-- MLC (Intel Memory Latency Check) and stream performance issue
- HECI access at OS run time:
- spsInfoLinux64 command fail to return ME version
- ptugen command fail to get memory power
+- CLTT (Closed Loop Thermal Throttling, eg. thermal protection for DIMMs)
+- ProcHot (thermal protection for processors)
## Feature gaps
- flashrom command not able to update ME region
-- ACPI APEI tables
-- PCIe hotplug, Virtual Pin Ports
+- ACPI BERT table
+- PCIe hotplug through VPP (Virtual Pin Ports)
- PCIe Live Error Recovery
- RO_VPD region as well as other RO regions are not write protected
- Not able to selectively enable/disable core