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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog.

2024.09

Added

Not applicable for this release.

Changed

  • HSS: healthmon: Ensure that health monitoring monitor arrays are board/design specific

  • HSS: README: update command to program Video Kit

  • HSS: build: include DIE and PACKAGE arguments for MPFS Video Kit

Fixed

  • HSS: ymodem: Ensuring watchdog doesn't fire if YMODEM is running.

  • HSS: boot: Fixing some build errors when CONFIG_SERVICE_BOOT is not enabled.

  • HSS: build: ensure -fwhole-program optimizations are not enabled when strong stack protection is enabled.

2024.06

Added

  • HSS: hal: updating to mpfs-hal v2.3.102

  • HSS: lockdown: adding lockdown service (allows custom restrictions of HSS after booting)

    • This provides an opportunity/single place in the code to modify behavior once boot has completed and the user wishes to restrict what the E51/HSS can subsequently do using PMPs/restricted set of state machines to service.

  • HSS: info: update print design version info at startup

  • HSS: trigger: add event triggers to allow state machines synchronize with each other

  • HSS: boot: provide minimal common DTB for U-Boot purposes

Changed

  • HSS: boot: don't delay for DDR training if not needed for a Hart

  • HSS: envm-wrapper: determine HSS UART from BSP rather than hardcoding

  • HSS: sbi: removed unnecessary optimization (O0)

  • HSS: usbdmsc: refactored to make USBDMSC a proper service

Fixed

  • HSS: build: fixed minor issues related to build directory change

  • HSS: healthmon: throttle messages to prevent output flood

2024.02.1

Added

  • HSS: boards: add support for BeagleV Fire BSP

  • HSS: boards: add support for PolarFire SoC Discovery Kit (MPFS-DISCO-KIT)

  • HSS: info: print design version info at startup

  • HSS: MMC: make MMC/SD speed configurable per BSP

  • HSS: gpio-ui: Add GPIO/LED UI service for platforms without serial console

Changed

  • HSS: init: turn on all FICs by default

Fixed

  • HSS: usbdmsc: fix bug in USBDMSC startup

  • HSS: ihc: avoid writes through NULL pointer

  • HSS: scrub: ensure all RAMs can be turned off

  • HSS: spi: fix issues when booting from System Controller SPI Flash

2024.02

Added

  • HSS: crypto: User Crypto support added - supports AES (ECB, CBC, OFB, CFB and CTR modes)

  • HSS: tinycli: Added simple ECC stats to tinyCLI.

  • HSS: boot: Restructured early initialization as a state machine, and offloaded DDR training to U54_1 for faster boot-up.

Changed

  • HSS: scrub: improved scrubbing of LIM, U54 I$/VMA TLBs. Disabled scrubbing by default as it is incompatible with non-coherent PCIe speed-ups enabled by default in MPFS Linux.

  • HSS: tinycli: Simplified early pre-boot CLI to use regular tinyCLI service.

  • HSS: sbi: Tidy-up of ECALL returns

  • HSS: boot: Simplified boot logo to save time.

  • XML: Updated XML for mpfs-video-kit and mpfs-icicle-kit-es

Fixed

  • HSS: init: reset reason type is incorrect

  • Docs: fixed web link to software flow documentation

  • HSS: build: moved build assets to $(BINDIR) directory (from "Default" to "build") and fix make clean on Windows

  • HSS: init: Detect if MPU config prevents USBDMSC

  • QSPI: build issue with QSPI-enabled def_config files resolved

2023.09

Added

  • HSS: opensbi: added unique SBI impid to allow supervisor mode software differentiate HSS from OpenSBI

  • HSS: boards: added PolarBerry support

  • HSS: uart: allow extra serial port configuration (via Kconfig)

Changed

  • HSS: boards: Update to Aries m100pfsevp board support

  • HSS: slight refactoring of uart code

Fixed

  • HSS: post-boot detection

  • HSS: ymodem: increased timeout for more reliable behaviour

  • HSS: ancilliary data: re-register harts after downloading to correctly pass ancilliary data

2023.06

Added

  • HSS: Auto Update: added support to mpfs-video-kit (not supported on icicle-kit-es)

  • HSS: healthmon: added generic health monitoring service

Changed

  • HSS: fixed various compiler warnings

  • HSS: envm-wrapper: improved boot mode selection

  • HSS: mpfs-hal: updated to v2.2.104

  • HSS: opensbi: updated to v1.2 (SBI v1.0)

  • HSS: sys-services: Updated driver to v2.1.100

Fixed

  • HSS: profiling: refactored, fixed build issue, added user tool, and added documentation on use

  • HSS: mmc: add delay before sending status command, to fix SD failure issue

  • Docs: updated broken link in contribution docs

2023.02

Added

  • HSS: moved default payload.bin destination in DDR to section now reserved in dtbs

  • HSS: mpfs-hal: updated mpfs-hal to v2.2.100

  • HSS: watchdog: support for rebooting individual AMP contexts

  • HSS: reboot: configurable support for cold reboot on fault

  • HSS: sbi: fake mvendorid/marchid/mimpid (to allow Linux driver quirks)

  • HSS: tinycli: allow selection of eMMC, SDCARD, or SDCARD to eMMC as boot medium

  • HSS: beu: errors now logged to HSS console when detected

Changed

  • HSS: memtest: use common routine to interrupt memory test

  • HSS: uart: add hook to control UART assigned per hart

  • HSS: tinycli: refactor to use command command dispatcher

  • HSS: build: give more meaningful errors if files missing for builds

Fixed

  • HSS: reboot: back-to-back reboots would eventually fill queues

  • HSS: envm-wrapper: improvements to avoid cache bugs on startup

  • HSS: scrub: fix bug in calculating end of range

2022.09

Added

  • HSS: OpenSBI: updated to OpenSBI v1.0 (SBI v0.3)

  • HSS: tiny-cli: Added "debug opensbi" command, along with U54 state tracking

  • HSS: mpfs-hal: updated to mpfs-hal v2.0.101

    • Using mpfs-hal to switch MSSIOs for SD/eMMC switchover

    • SDIO_REGISTER renamed to FABRIC_SD_EMMC_DEMUX_SELECT

  • HSS: QSPI: add support for booting from Micron MT25Q

  • HSS: eMMC: fixes for HS200 / HS400

  • HSS: remoteproc: ecall support for remoteproc - the ability to start and stop a remote AMP context using the remoteproc framework in Linux.

    • Payload Generator: add skip-autoboot flag to YAML to skip automatically loading and booting a payload on a per-context basis

    • IHC: various related ecall fixes

  • HSS: reboot: add context-based reboot support (via SRST)

    • Kconfig: add ALLOW_COLDREBOOT option to enable cold reboot

    • Payload Generator: add allow-reboot flag to YAML to control entitlement to warm/cold reboot

  • HSS: ddr: add Kconfig option to skip training DDR

  • HSS: ddr: early output status of DDR training progress

  • Payload Generator: add ability to override context boot image name in YAML

Changed

  • HSS: save space by enabling LTO and whole program optimization

    • Note this means disabling strong stack protection.

    • Removed function names from console output to save space.

Fixed

  • Payload Generator: secure-boot: update from deprecated OpenSSL APIs

  • HSS: platform: fixed potential NULL lookup of fdt

2022.03

Added

  • HSS: QSPI: Add support for booting from Winbond W25N01GV flash

Changed

  • HSS: resets: bringing all peripherals out of reset

  • HSS: scrub: add throttling support to memory scrubber

Fixed

  • HSS: board/custom-board-design: update to build with latest HSS code base

  • HSS: boot: Resolve out-of-bounds issue

2022.02

Added

  • HSS: secure-boot: image signing for payload.bin

  • Payload Generator: secure-boot: support for image signing payload.bin

  • HSS: m100pfsevp: Aries Board Support Package added

  • HSS: Added support for Kconfiglib guiconfig tool

    • This requires python3 tkinter bindings on Linux. For Ubuntu/Debian, use

    $ sudo apt install python3-tk

Changed

  • HSS: DDR: Configured for High-Memory DDR (0x10'0000'0000) instead of Low-Memory (0x8000'0000)

    • WARNING: Pre-existing code will break if not re-linked for the new DDR address

  • HSS: L2: Move decompressed HSS from L2LIM to L2-Scratchpad

Fixed

  • Payload Generator: updated to ignore zero-byte sections

  • Payload Generator: enhance error checks, and ensure string concatenation always safe for names