Below features are not support on AM243X LAUNCHPAD due to SOC or board constraints,
| OS | Supported CPUs | SysConfig Support | Key features tested | Key features not tested / NOT supported |
| FreeRTOS Kernel | R5F, M4F, A53 | NA | Task, Task notification, interrupts, semaphores, mutexes, timers, event groups. ROV views in CCS IDE, Task load measurement using FreeRTOS run time statistics APIs. | Only single core A53 FreeRTOS is supported. Second core is NOT used. |
| FreeRTOS SMP Kernel | A53 | NA | Task, Task notification, interrupts, semaphores, mutexes, timers, event groups. ROV views in CCS IDE, Task load measurement using FreeRTOS run time statistics APIs. | - |
| FreeRTOS POSIX | R5F, M4F, A53 | NA | pthread, mqueue, semaphore, clock | - |
| NO RTOS | R5F, M4F, A53 | NA | See Driver Porting Layer (DPL) below | Only single core A53 NORTOS is supported. Second core is NOT used. |
| Module | Supported CPUs | SysConfig Support | OS support | Key features tested | Key features not tested / NOT supported |
| Address Translate | M4F | YES | FreeRTOS, NORTOS | Use RAT to allow M4F access to peripheral address space | - |
| Cache | R5F, A53 | YES | FreeRTOS, NORTOS | Cache write back, invalidate, enable/disable | - |
| Clock | R5F, M4F, A53 | YES | FreeRTOS, NORTOS | Tick timer at user specified resolution, timeouts and delays | - |
| CpuId | R5F | NA | FreeRTOS, NORTOS | Verify Core ID and Cluster ID that application is running | - |
| CycleCounter | R5F, M4F, A53 | NA | FreeRTOS, NORTOS | Measure CPU cycles using CPU specific internal counters | - |
| Debug | R5F, M4F, A53 | YES | FreeRTOS, NORTOS | Logging and assert to any combo of: UART, CCS, shared memory | - |
| Heap | R5F, M4F, A53 | NA | FreeRTOS, NORTOS | Create arbitrary heaps in user defined memory segments | - |
| Hwi | R5F, M4F, A53 | YES | FreeRTOS, NORTOS | Interrupt register, enable/disable/restore | - |
| MPU | R5F, M4F | YES | FreeRTOS, NORTOS | Setup MPU and control access to address space | - |
| MMU | A53 | YES | NORTOS | Setup MMU and control access to address space | - |
| Semaphore | R5F, M4F, A53 | NA | FreeRTOS, NORTOS | Binary, Counting Semaphore, recursive mutexs with timeout | - |
| Task | R5F, M4F, A53 | NA | FreeRTOS | Create, delete tasks | - |
| Timer | R5F, M4F, A53 | YES | FreeRTOS, NORTOS | Configure arbitrary timers | - |
| Event | R5F, M4F | YES | FreeRTOS | Setting, getting, clearing, and waiting of Event bits | - |
| Peripheral | Supported CPUs | SysConfig Support | DMA Supported | Key features tested | Key features not tested / NOT supported |
| ADC | R5F, A53 | YES | Yes | Single conversion (one-shot mode), interrupt mode, DMA mode | Continuous conversion not tested |
| CRC | R5F | YES | No | CRC in full CPU mode | - |
| DDR | R5F | YES | No | Tested LPDDR4 at 400MHz frequency. | - |
| ECAP | R5F, A53 | YES | No | Frequency, Duty cycle, interrupt mode | - |
| EPWM | R5F, A53 | YES | No | Different Frequency, Duty cycle, interrupt mode, Deadband and chopper module | Tripzone module not tested |
| EQEP | R5F, A53 | YES | No | Signal Frequency and Direction, interrupt mode | - |
| FSI (RX/TX) | R5F | YES | No | RX, TX, polling, interrupt mode, single/dual lanes | - |
| GPIO | R5F, M4F, A53 | YES | No | Basic input/output, GPIO as interrupt | - |
| GTC | R5F, A53 | NA | No | Enable GTC, setting FID (Frequency indicator) | - |
| I2C | R5F, M4F, A53 | YES | No | Controller mode, basic read/write, polling and interrupt mode | Target mode not supported. M4F not tested due to EVM limitation |
| IPC Notify | R5F, M4F, A53 | YES | No | Low latency IPC between RTOS/NORTOS CPUs | - |
| IPC Rpmsg | R5F, M4F, A53 | YES | No | RPMessage protocol based IPC for all R5F, M4F, A53 running NORTOS/FreeRTOS/Linux | - |
| MCAN | R5F, A53 | YES | No | RX, TX, interrupt and polling mode | - |
| MCSPI | R5F, M4F, A53 | YES | Yes | Controller/Peripheral mode, basic read/write, polling, interrupt and DMA mode | - |
| MDIO | R5F | NA | No | Register read/write, link status and link interrupt enable API | - |
| MMCSD | R5F, A53 | YES | Yes | Raw read/write and file I/O on MMCSD0 eMMC, and MMCSD1 SD. eMMC tested till HS SDR mode (8-bit data, 52 MHz), SD tested till SD HS mode (4-bit, 25 MHz) | Interrupt mode not tested |
| OSPI | R5F, A53 | YES | Yes | Read direct, Write indirect, Read/Write commands, DMA for read, PHY Mode | Interrupt mode not supported |
| PCIe | R5F | YES | No | Buffer Transfer between EP and RC modes. Legacy interrupt | MSI and MSIx capability |
| Pinmux | R5F, M4F, A53 | YES | No | Tested with multiple peripheral pinmuxes | - |
| PRUICSS | R5F | YES | No | Tested with Ethercat, EtherNet/IP, IO-Link, ICSS-EMAC, HDSL, EnDat | - |
| SOC | R5F, M4F, A53 | YES | No | lock/unlock MMRs, get CPU clock, CPU name, clock enable, set frequency, SW Warm/POR Reset, Address Translation | - |
| Sciclient | R5F, M4F, A53 | YES | No | Tested with clock setup, module on/off | - |
| SPINLOCK | R5F, M4F, A53 | NA | No | Lock, unlock HW spinlocks | - |
| UART | R5F, M4F, A53 | YES | Yes | Basic read/write, polling, interrupt mode, | HW flow control not tested. DMA mode not supported |
| UDMA | R5F, A53 | YES | Yes | Basic memory copy, SW trigger, Chaining | - |
| WDT | R5F, A53 | YES | No | Interrupt after watchdog expiry | Reset not supported |
| Module | Supported CPUs | SysConfig Support | OS Support | Key features tested | Key features not tested |
| TSN | R5F | NO | FreeRTOS | gPTP IEEE 802.1 AS-2020 compliant gPTP stack, End Nodes and Bridge mode support, YANG data model configuration | Multi-Clock Domain |
| A53 | NO | FreeRTOS |
| LwIP | R5F | YES | FreeRTOS, NORTOS | TCP/UDP IP networking stack with and without checksum offload enabled, TCP/UDP IP networking stack with server and client functionality, basic Socket APIs, netconn APIs and raw APIs, DHCP, ping, TCP iperf, scatter-gather, DSCP priority mapping, LwIP bridge, shared memory driver | Other LwIP features |
| A53 | YES | FreeRTOS |
| Ethernet driver (ENET) | R5F | YES | FreeRTOS, NORTOS | Ethernet as port using CPSW, MAC loopback and PHY loopback, Layer 2 MAC, Packet Timestamping, CPSW Switch, Policer and Classifier, MDIO Manual Mode, CBS (IEEE 802.1Qav) on CPSW, IET (IEEE 802.1Qbu) on CPSW, Strapped PHY (Early Ethernet), cut through switch on CPSW | RMII mode |
| A53 | YES | FreeRTOS |
| Mbed-TLS | R5F | NO | FreeRTOS | Tested software cryptography after porting, used mbedTLS with LwIP to implement HTTPS server | Hardware offloaded cryptography |
| ID | Head Line | Module | Applicable Releases | Applicable Devices | Resolution/Comments |
| EXT_SITMPUSW-6 | Incorrect naming of the macro MAILBOX_MAX_MSGS_IN_FIFO in IPC Notify | IPC | 07.03.00 onwards | AM64x, AM243x | Update the macro name |
| EXT_SITMPUSW-7 | OSPI_phyReadAttackVector API leaves the DAC enabled | OSPI | 07.03.00 onwards | AM64x, AM243x | Disable DAC mode at the end of function |
| EXT_SITMPUSW-1 | CPU cache line size is wrongly documented | DPL | 07.03.00 onwards | AM64x, AM243x | Updated the documenation |
| EXT_SITMPUSW-8 | Remove "Auto generated makefile" comments in the makefiles | Build | 07.03.00 onwards | AM64x, AM243x | Remove the autogenerated comments |
| EXT_SITMPUSW-9 | Calling the vTaskGetRunTimeStats，after some time, it will exceed 100% CPU usage | Kernel | 07.03.00 onwards | AM64x, AM243x | This issue is fixed on 11.1.0 FreeRTOS kernel |
| EXT_SITMPUSW-10 | SBL_OSPI_LINUX changes the DEVSTAT register to SD card bootmode | SBL | 09.02.01 | AM64x, AM243x | Remove updating DEVSTAT |
| EXT_SITMPUSW-11 | MCAN loopback DMA example is broken | MCAN | 09.00.00 | AM64x, AM243x | Resolve the issue along with LLD implementation |
| EXT_SITMPUSW-12 | A wrong counter is used for Event 2 in PMU configuration | PMU | 08.06.00 | AM64x, AM243x | Remove the wrong configuration |
| EXT_SITMPUSW-13 | UART: Inconsistent data flush for Polling, Interrupt and DMA mode | UART | 09.01.00 | AM64x, AM243x | Fix the driver |
| EXT_SITMPUSW-14 | JTAG Flasher does not enable DAC mode after flashing the image | McSPI | 09.01.00 | AM64x, AM243x | Enable DAC mode |
| EXT_SITMPUSW-15 | Wrong validation checks for Sysfw_boardcfg | BoardConfig | 09.02.00 | AM64x, AM243x | Fixed |
| EXT_SITMPUSW-16 | Not able to select 3pin/4pin mode when mcspi is configured as Single Peripheral | MCSPI | 10.00.00 | AM64x, AM243x | Fixed |
| EXT_SITMPUSW-17 | Not able to open example.syscfg file for M4f project | Sysconfig | 10.00.00 | AM64x, AM243x | Fixed |
| EXT_SITMPUSW-18 | sciclient_ccs_init default binary failing to run on SOC | Examples | 10.00.00 | AM64x, AM243x | Rebuild the binary |
| EXT_SITMPUSW-19 | Not able to open drivers for MCU_I2C | I2C | 10.00.00 | AM64x, AM243x | Fixed |
| EXT_SITMPUSW-20 | No implementation for portASSERT_IF_IN_ISR | docs | 07.03.00 | AM64x, AM243x | Added the implementation |
| PINDSW-7087 | Ethernet: IET: Frame preemption MAC verify fails | Ethernet (ICSSG) | 09.00.00 | AM64x, AM243x | None |
| PINDSW-8229 | Ethernet: FDB: FDB entries missing with link up/down activity | Ethernet (ICSSG) | 10.00.00 | AM64x, AM243x | None |
| PINDSW-8187 | Ethernet: FDB: MC frame is not received when only specific port bit is set in FID_C2 (Applicable only for DUAL MAC mode) | Ethernet (ICSSG) | 10.00.00 | AM64x, AM243x | None |
| PINDSW-8086 | Ethernet: FDB: Port blocked/disabled usecase for special frame | Ethernet (ICSSG) | 10.00.00 | AM64x, AM243x | None |
| PINDSW-8022 | Ethernet: TAPRIO: Moved base time usage into the firmware | Ethernet (ICSSG) | 10.00.00 | AM64x, AM243x | None |
| PINDSW-7988 | Ethernet: CT: Cut-thru can not be verified (Missing PA statistics) | Ethernet (ICSSG) | 09.02.00 | AM64x, AM243x | None |
| PINDSW-8273 | Ethernet: 10M: Link Status Valid flag is not set in case of 100M/1G | Ethernet (ICSSG) | 10.00.00 | AM64x, AM243x | None |
| SYSFW-6426 | Ownership of a firewall region can be transferred to an invalid host | DMSC | 07.03.00 | AM64x, AM243x | Fixed |
| SYSFW-6432 | Set device API doesn't return Error when PD is in transition state | DMSC | 07.03.00 | AM64x, AM243x | Fixed |
| EXT_SITMPUSW-54 | MII mode via Sysconfig for Ethernet ICSSG is not functional | Ethernet | 09.02.00 | AM64x, AM243x | Fixed |
| ID | Head Line | Module | Applicable Releases | Applicable Devices | Workaround |
| EXT_SITMPUSW-22 | Pcie_benchmark, Pcie_buf_transfer, Pcie_legacy_irq, Pcie_msi_irq, Pcie_msix_irq and sbl_pcie are broken on 9.2.1 release | PCIE | 9.2.1 onwards | AM64x, AM243x | None. |
| EXT_SITMPUSW-21 | DMA not working with ADC FIFO 1 | ADC | 7.3.0 onwards | AM64x, AM243x | Use ADC FIFO 0
|
| EXT_SITMPUSW-23 | [Docs] Sysfw RM/PM documentation doesn't specify AM243x | Docs | 8.0.0 onwards | AM243x | - |
| EXT_SITMPUSW-24 | PKA ECDSA sign verify is not working for P-521 and BrainPool P-512R1 curves | SECURITY | 8.2.0 onwards | AM64x, AM243x | - |
| EXT_SITMPUSW-25 | Last 512KB of memory is not accessible in dev boot mode flow | SBL | 8.4.0 | AM64x, AM243x | Use other boot modes |
| EXT_SITMPUSW-26 | PCIe MSI error when connected to Linux Root Complex | PCIe | 8.6.0 | AM64x, AM243x | - |
| SYSFW-6621 | No available region to configure for Firewall ID 24 | DMSC | 7.3.0 onwards | AM64x, AM243x | - |
| SYSFW-7781 | Get device API does not return error when the LPSC is in transition state | DMSC | 7.3.0 onwards | AM64x, AM243x | - |
| EXT_SITMPUSW-53 | Ethernet CPSW Layer-2 example overrides syscfg-GUI ALE configurations | Ethernet | 09.01.00 | AM64x, AM243x | - |
| EXT_SITMPUSW-55 | AM64x: ENET : A53 : TCP Throughput drop in iperf application running on FreeRTOS A53 core | Ethernet | 10.01.00 | AM64x | Issue is seen only with 1Gbps Full Duplex link speed. Any other link speed such as 100 Mbps link speed shall work seemlessly
|
| EXT_SITMPUSW-56 | AM64X: ENET: Data inconsitency with MAC loopback application with FreeRTOS running on A53 core | Ethernet | 10.01.00 | AM64x | Issue is seen in release mode. In debug mode it works fine. |
| PROC_SDL-8875 | ECC is not supported for an instance SDL_PCIE0_PCIE_G2X1_64_CORE_CORE_ECC_AGGR | SDL | 10.01.0 onwards | AM243x | - |
| PROC_SDL-8861 | ECC is not supported for an instance due to firewall: SDL_DMSC0_DMSC_LITE | SDL | 10.01.0 onwards | AM64x/AM243x | - |
| PROC_SDL-8891 | POK Example is failing on M4F core | DMSC | 10.01.0 onwards | AM243x | Run on R5F core |
| ID | Head Line | Module | SDK Status |
| i2278 | MCAN: Message Transmit order not guaranteed from dedicated Tx Buffers configured with same Message ID | MCAN | Open |
| i2279 | MCAN: Specification Update for dedicated Tx Buffers and Tx Queues configured with same Message ID | MCAN | Open |
| i2310 | USART: Erroneous clear/trigger of timeout interrupt | UART | Implemented |
| i2311 | USART: Spurious DMA Interrupts | UART | Implemented |
| i2312 | MMCSD: HS200 and SDR104 Command Timeout Window Too Small | MMCSD | Open |
| i2313 | GPMC: Sub-32-bit read issue with NAND and FPGA/FIFO | GPMC | Implemented |
| i2326 | PCIe: MAIN_PLLx operating in fractional mode, which is required for enabling SSC, is not compliant with PCIe Refclk jitter limits | PCIe | Open |
| i2329 | MDIO interface corruption, | CPSW, ICSSG | Open |
| i2331 | CPSW: Device lockup when reading CPSW registers | CPSW, SBL | Implemented |
| i2345 | CPSW: Ethernet Packet corruption occurs if CPDMA fetches a packet which spans across memory banks | CPSW | Implemented |
| i2401 | CPSW: Host Timestamps Cause CPSW Port to Lock up | CPSW | Open |
| i2402 | CPSW: Ethernet to Host Checksum Offload does not work | CPSW | Open |
This section lists changes which could affect user applications developed using older SDK versions. Read this carefully to see if you need to do any changes in your existing application when migrating to this SDK version relative to previous SDK version. Also refer to older SDK version release notes to see changes in earlier SDKs.
1.8.20