| .. _skiboot-5.0: |
| |
| =========== |
| skiboot 5.0 |
| =========== |
| |
| Skiboot 5.0 was released Friday 10th April 2015. |
| |
| Changes in 5.0 (since rc3): |
| |
| - Fix chip id for nx coprocessors. |
| - hw/ipmi: Fix FW Boot Progress sensor |
| - bt: Add a temporary workaround for bmc dropping messages |
| - FSP/CUPD: Fix lock issue |
| |
| Changes in rc3 (since rc2): |
| |
| - add support for cec_power_down on mambo |
| - external/opal-prd: Use link register for cross-endian branch |
| - opal header file rework, Linux and skiboot now very closely match (API |
| in opal-api.h) |
| - libflash: don't use the low level interface if it doesn't exist |
| - libflash/file: add file abstraction for libflash |
| - external: create a GUARD partition parsing utility |
| |
| Changes in rc2 (since rc1): |
| |
| - opal: Fix an issue where partial LID load causes opal to hang. |
| - nx: use proc_gen instead of param |
| - use chip id for NX engine Coproc Instance num |
| - Fix (hopefully) missing dot symbols in skiboot.map |
| - exceptions: Catch exceptions at boot time |
| - exceptions: Remove deprecated exception patching stuff |
| - mambo: Make mambo_utils.tcl optional |
| - mambo: Exit mambo when the simulation is stopped |
| - add NX register defines |
| - set NX crb input queues to 842 only |
| - core: Catch attempts to branch through a NULL pointer |
| - plat/firestone: Add missing platform hooks |
| - plat/firestone: Add missing platform hooks |
| - elog: Don't call uninitialized platform elog_commit |
| - external/opal-prd: Use "official" switch-endian syscall |
| - hw/ipmi: Rework sensors and fix boot count sensor |
| |
| Changes in rc1 (since 4.1.1): |
| |
| General: |
| |
| * big OPAL API documentation updates |
| We now document around 19 OPAL calls. There's still ~100 left to doc |
| though :) |
| * skiboot can load FreeBSD kernel payload (thanks to Nathan Whitehorn) |
| * You can now run sparse by setting C=1 when building |
| * PSI: Revert the timeout for PSI link recovery to architected value |
| now 30mins (prev 15) |
| * cpuidle: Add validated metrics for idle states |
| * core/flash: Add flash API |
| OPAL_FLASH_(READ|WRITE|ERASE) |
| * capi: Dynamically calculate which CAPP port to use |
| no longer hardwired to PHB0 |
| * vpd: Use slca parent-child relationship to create vpd tree |
| * opal: Do not overwrite same HMI event for multiple HMI errors. |
| Now Linux will get a HMI event for each HMI error |
| * HMI event v2 now includes information about checkstop |
| * HMI improvements, handle more conditions gracefully: |
| |
| * TB residue error |
| * TFMR firmware control error |
| * TFMR parity |
| * TFMR HDEC parity error |
| * TFMR DEC parity error |
| * TFMR SPURR/PURR parity error |
| * TB residue and HDEC parity HMI errors on split core |
| * hostservices: Cache lids prior to first load request |
| * Warn when pollers are called with a lock held |
| and keep track of lock depth. |
| |
| **NOTE:** This means we will get backtraces in skiboot msglog on FSP machines |
| This is a KNOWN ISSUE and is largely harmless. |
| There's still a couple that we haven't yet cleaned, these |
| messages can be thought of as a TODO list for developers. |
| |
| * Don't run pollers in time_wait if lock held |
| * pci: Don't hang if we have only one CPU |
| * Detect recursive poller entry |
| * General cleanup |
| * Cleanup of opal.h so that we can have Linux and skiboot match |
| * add sparse annotations to opal.h |
| * Platform hooks for loading and preloading resources (LIDs) |
| This lays the groundwork for cutting 4-20 seconds off boot in a |
| future skiboot release. |
| * Fix potential race when clearing OCC interrupt status |
| * Add platform operation for reading sensors |
| |
| * add support to read core and memory buffer temperatures |
| |
| Mambo/POWER8 Functional Simulator: |
| |
| * Replace is_mambo_chip() with a better quirks mechanism. |
| * Don't hang if we only have one CPU and PCI. |
| |
| BMC systems: |
| |
| * BMC can load payload from flash |
| * IPMI on BMC systems: graceful poweroff and reboot |
| * IPMI on BMC systems: watchdog timer support |
| * IPMI on BMC systems: PNOR locking |
| * Support for IPMI progress sensor |
| * IPMI boot count sensor |
| * capi: Rework microcode flash download and CAPP upload |
| load microcode on non-fsp systems |
| * NEW opal-prd userspace tool that handles PRD on non-FSP systems. |
| and OPAL PRD calls to support it. |
| * Improvements to opal-prd, libflash, and ipmi |
| * ECC support in libflash |
| * Load CAPI micro code, enabling CAPI on OpenPower systems. |
| * Dynamically calculate which CAPP port to use, don't hardcode to PHB0 |
| * memboot flash backend |
| |
| POWER8 |
| |
| * add nx-842 coproc support |
| |
| FSP systems: |
| |
| * Make abort() update sp attn area (like assert does) |
| On FSP systems this gives better error logs/dumps when abort() is hit |
| * FSP/LEDS: Many improvements and bug fixes |
| * LED support for FSP machines |
| Adds OPAL_LEDS_(GET|SET)_INDICATOR and device-tree bindings |
| * Refactor of fsp-rtc |
| * OCC loading fixes, including possible race condition where we would |
| fail to IPL. |
| |
| POWER7 |
| |
| * Fix unsupported return code of OPAL_(UN)REGISTER_DUMP_REGION on P7 |
| * occ: Don't do bad XSCOMs on P7 |
| The OCC interrupt register only exists on P8, accessing it on P7 causes |
| not only error logs but also causes PRD to eventually gard chips. |
| * cpu: Handle opal_reinit_cpus() more gracefully on P7 |
| no longer generate error logs |
| * libflash updates for openpower |
| * misc code cleanup |
| * add nx-842 coproc support |
