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                  Release Notes for Phoenix UEFI/BIOS Firmware on EKF PC6-TANGO
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This file describes changes, extensions and bug fixes made in Phoenix UEFI/BIOS
for EKF PC6-TANGO. For any further questions contact EKF at:
Email    : support@ekf.de
Internet : www.ekf.com

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2020-01-28: UEFI/BIOS production release, Build 130

- Integrated new Phoenix code base 4.0.1.779

- Added support for UEFI network stack (PXE network boot)
  Setup [F2]: Main -> Advanced -> Network Configuration -> UEFI Network Stack
  Available options: Disabled (Default), Enabled

- Added support for external graphics cards in pre OS phase
  Setup [F2]: Main -> Advanced -> Graphics Configuration -> Primary Display Selection
  Available options: Intel GD (Default), PCI/PCIe

- Added option to disable Intel integrated graphics device
  Setup [F2]: Main -> Advanced -> Graphics Configuration -> Intel Graphics Device (IGD)
  Available options: Enabled (Default), Disabled

- Disabled PWM PCIe device
  This PCIe device of Apollo Lake SOC is not used by EKF hardware (Bus:0x00, Device:0x1A, Function:0x00)

- Updated CSE to newest version 
  This version primary fixes a security issue in the Intel TXE implementation of fTPM 2.0 

- Added UEFI boot support for Marvell SATA controller
  Setup [F2]: Main -> Advanced -> SATA Configuration -> Marvell SATA Configuration -> Marvell SATA Boot support
  Available options: Disabled (Default), Enabled

- Disabled LPSS UART #1 by default (this UART is used for debugging only)
  Setup [F2]: Main -> Advanced -> UART Configuration -> LPSS UART #1 Support
  Available options: Disabled (Default), PCI Mode, ACPI Mode
  Notice this default value differs from previous UEFI/BIOS releases!

- Fixed a crash when too much PCI bridges (> 40) were detected in the system

- Fixed a crash when "edit" or "hexedit" was executed in UEFI Shell

- Updated type of enclosure in SMBIOS (Type 3) to "CompactPCI"

- Updated alias of I2C speed mode (1 MHz) to "Fast Mode Plus"

- Created new UEFI section for SD card configuration
  Setup [F2]: Main -> Advanced -> SD Card Configuration
  Options for SD Card were listed under Main -> Advanced -> Miscellaneous Configuration before.

- Created new UEFI section for eMMC configuration
  Setup [F2]: Main -> Advanced -> eMMC Configuration
  Options for eMMC were listed under Main -> Advanced -> Miscellaneous Configuration before.

- Moved Setup option PCI Express Native Control to Main -> Advanced -> PCI Express Configuration
  This option was listed under Main -> Advanced -> Miscellaneous Configuration before.

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2019-10-30: UEFI/BIOS production release, Build 120

- Integrated new Phoenix code base 4.0.1.745 and 4.0.1.765

- Added Setup option Boot Priority
  Setup [F2]: Main -> Boot Features -> Boot Priority
  Available options: UEFI First (Default), Legacy First

- Implemented Secure Boot feature and added EKF and Microsoft certificates as defaults
  Setup [F2]: Security -> Secure Boot Configuration
  For further information read fwinfo.txt please

- Added Setup node which selects timeout after the UEFI Boot Manager invokes a Boot Option
  Setup [F2]: Main -> Boot Features -> Select Timeout for Boot Option
  Available options: Disabled (Default), 5s, 10s, 20s, 30s, 45s, 1min, 2min, 5min, 10min, 30min

- Added new Setup node Ignore Battery Error
  Setup [F2]: Main -> Advanced -> Miscellaneous Configuration
  Available options: Disabled (Default), Enabled
  Set this to Enabled if you use the CPU board without a battery or a Gold-Cap

- Added Setup node to configure startup delay after system reset
  Setup [F2]: Main -> Advanced -> Miscellaneous Configuration -> Execute Delay after Reset
  Available options: Disabled, 100ms (Default), 250ms, 500ms, 1s, 2s, 3s, 4s, 5s
  The delay possibly solves power-up or reset issues of certain devices

- Now all UEFI/BIOS settings/nodes will be reset to default values by jumper GP (J-GP)

- Enabled access to UEFI/BIOS Setup even if UEFI Boot is set to Disabled

- Enabled both DisplayPorts on pre-OS phase if UEFI Boot was selected in UEFI/BIOS Setup

- Grayed out all configuration options in UEFI/BIOS Setup if Setup entered in User Mode

- Enabled wake from standby/suspend (S3) by user action on USB keyboard or mouse

- Added Setup node to enable/disable sleep state S3 (Suspend to RAM) support
  Setup [F2]: Main -> Advanced -> Miscellaneous Configuration -> Suspend to RAM (S3) Support
  Available options: Disabled (Default), Enabled
  Notice this default value differs from previous UEFI/BIOS releases!

- Added Setup node to enable/disable sleep state S4 (Suspend to Disk) support
  Setup [F2]: Main -> Advanced -> Miscellaneous Configuration -> Suspend to Disk (S4) Support
  Available options: Disabled (Default), Enabled
  Notice this default value differs from previous UEFI/BIOS releases!

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2019-05-24: UEFI/BIOS production release, Build #100

- Updated PMC (Power Management Controller) Firmware to Version 3.31

- Updated TXE (Trusted Execution Engine) Firmware to Version 3.1.60.2280

- Enabled CPU overtemperature LED (OT) in front panel
  
- Set UEFI/BIOS Setup defaults by jumper GP (J-GP)

- Specified details of PCI Express Root Ports in UEFI/BIOS Setup
  Setup [F2]: Advanced -> PCI Express Configuration

- Added support for High Definition Audio (HDA) drivers

- Ethernet NICs works now as expected after a Warm Reset

- Disabled IPU/iUnit (Image Processing Unit)

- Added Setup option to select desired action at POST Error
  Setup [F2]: Main -> Boot Features -> Select Mode on POST Error
  Available options: Default (Default), Press Key, Delay, No Delay

- Added text field Customer String in UEFI/BIOS Setup
  Setup [F2]: Main -> Customer String
  Customers can place a user-defined string here (e.g. to label a specific UEFI/BIOS configuration).

- Added new Setup option OS Reset Select
  Setup [F2]: Advanced -> Board Configuration -> OS Reset Select
  Available options: Cold Reset (Default), Warm Reset
  Select the reset type if the OS request a system reset.

- Added new Setup option SerialIO SSC
  Setup [F2]: Advanced -> Board Configuration -> SerialIO SSC
  Available options: Enabled, Disabled (Default)
  Enable/Disable HighSpeed SerialIO Spread Spectrum Clocking (affects: USB3.0, PCIe, DP, eMMC, SD, and SDIO)

- Added new Setup options to configure I2C LPSS I2C #1
  Setup [F2]: Advanced -> I2C Configuration -> LPSS I2C #1 Support
  Available options: Disabled, PCI Mode (Default), ACPI Mode
  Setup [F2]: Advanced -> I2C Configuration -> I2C LPSS I2C #1 Speed
  Available options: Standard Mode (Default), Fast Mode, Fast Mode Plus, High Speed Mode
  This I2C Bus is connected to EKF sideboards

- Added new Setup options to configure I2C LPSS I2C #2
  Setup [F2]: Advanced -> I2C Configuration -> LPSS I2C #2 Support
  Available options: Disabled, PCI Mode (Default), ACPI Mode
  Setup [F2]: Advanced -> I2C Configuration -> I2C LPSS I2C #2 Speed
  Available options: Standard Mode (Default), Fast Mode, Fast Mode Plus, High Speed Mode
  This I2C Bus is connected to the backplane

- Added new Setup option LPSS UART #1 Support
  Setup [F2]: Advanced -> UART Configuration -> LPSS UART #1 Support
  Available options: Disabled, PCI Mode (Default), ACPI Mode

- Updated CPU microcode to version 20 (0x14) to support Apollo Lake E39xx F1 stepping

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2019-02-01: UEFI/BIOS production release, Build #050

- Supported EKF standard UEFI/BIOS update with DOS tool progspi

- Replaced UEFI/BIOS Setup setting "Allow UEFI/BIOS Update" by "Flash Controller Lock"
  Setup [F2]: Advanced -> Miscellaneous Configuration -> Flash Controller Lock
  Available options: Enabled (Default), Disabled 
  This item need to be set to Disabled if you want to update the UEFI/BIOS with EKF DOS Tool progspi

- Disabled PCI Express Clock Gating/Clock Request for all PCI Express Root Ports (not supported by EKF PC6-TANGO hardware)

- Fixed a RTC issue (Century was not written to RTC/CMOS)

  Added Option to enable Windows Kernel Debugging
  Setup [F2]: Advanced -> Miscellaneous Configuration -> Kernel Debugger Enable
  Available options: Enabled, Disabled (Default)
  This item need to be set to Enabled if you want to use a Kernel Debugger (e.g. WinDBG)

- Changed layout, title and helptext of PCI Express Root Ports
  Setup [F2]: Advanced -> PCI Express Configuration -> PCI Express Root Port XX [X]
  Information and settings match with real physical hardware now

- Removed Wake on LAN setting in UEFI/BIOS Setup (Not supported by EKF PC6-TANGO hardware)

- Changed default value of UEFI/BIOS Option PCI Express Native to Disabled to allow support for 
  EKF CompactPCI Boards (CB3, CE3, CK2, CL1, CL2, CN7, CP4, CP5 and CV2) by default
  Setup [F2]: Advanced -> Miscellaneous Configuration -> PCI Express Native
  Available options: Enabled, Disabled (Default)
  For further information read fwinfo.txt please.

- Replaced Phoenix logo by EKF logo at OS boot

- Removed unused UART0 device from ACPI table

- Changed RTC default date to 2019-01-01

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2018-11-23: UEFI/BIOS production release, Build #040

- Added support for serial ports A and B of Super-IO SMSC SCH3114 on EKF Expansion boards.
  Supported are COM port A (COM1) in front panel (bottom) of e.g. EKF PCU-UPTEMPO
  and COM port B (COM2) in front panel (top) of e.g. EKF PCU-UPTEMPO.

- Corrected PCI subsystem vendor ID (0xE4BF) for all EKF PC6 PCI devices

- Added support for EKF cPCI boards with an on-board PCI Reverse bridge (PCI to PCI Express)
  Setup [F2]: Advanced -> Miscellaneous Configuration -> ACPI PCI Express Native
  Available options: Disabled, Enabled (Default)
  This item must be set to Disabled if cPCI boards with a PCI reverse bridge are installed in the system.

- Disabled PCI devices unused on EKF PC6

- Removed additional full reset which occurred after every cold boot

- Enabled SPI fast and dual read mode

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2018-10-08: UEFI/BIOS production release, Build #034

- Added support for Windows feature "Advanced Power Settings"

- Updated Intel CSE (TXE) to Version 3.1.50.2222

- Enabled Power (+5VDC) on both USB front ports 

- Added Setup option to unlock Flash protection and allow UEFI/BIOS update with EKF tool "progspi" 
  Setup [F2]: Advanced -> Advanced System Setup -> Miscellaneous Configuration -> Allow UEFI/BIOS Update
  Available options: Disabled (Default), Enabled
  This option must be set to enabled before UEFI/BIOS can be updated.

- Disabled eMMC device per default. Added UEFI/BIOS option to enable eMMC support
  Setup [F2]: Advanced -> Advanced System Setup -> Miscellaneous Configuration -> eMMC Support
  Available options: Disabled (Default), Enabled
  Note: PC6-TANGO can be additionally equipped with an eMMC storage device on request.

- Added Setup option to enable SD Card support
  Setup [F2]: Advanced -> Advanced System Setup -> Miscellaneous Configuration -> SD Card Support
  Available options: Disabled (Default), Enabled

- Set cache mode of graphics memory to Write-Combining
  This supports a much faster scrolling in UEFI Shell.

- Corrected PCIe configuration for CompactPCI PlusIO slots

- Added new Setup menu to enable/disable CPU Cores
  Setup [F2]: Advanced -> CPU Configuration -> Enable/Disable CPU Cores
  Available options: All Cores Enabled (Default), Enabled/Disabled (each available Core)

- Added support for 2, 4 or 8 GB on-board DDR3L memory

- Enabled PCIe Root Ports by default and changed Setup names appropriate for PC6-TANGO
  Setup [F2]: Advanced -> PCI Express Configuration
  
- Added support for Flash memory of type ISSI IS25WP128

- Included new Microcode to support Apollo Lake E-Stepping

- Reduced voltage of PMIC LDO6

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2018-04-30: First UEFI/BIOS production release, Build #028

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