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2dfdfc4ba4
* Clarify Cortex M7 r0p1 errata number in r0p1 specific port. * Add ARM Cortex M7 r0p0 / r0p1 Errata 837070 workaround to CM4 MPU ports. Optionally, enable the errata workaround by defining configTARGET_ARM_CM7_r0p0 or configTARGET_ARM_CM7_r0p1 in FreeRTOSConfig.h. * Add r0p1 errata support to IAR port as well Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> * Change macro name to configENABLE_ERRATA_837070_WORKAROUND Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> |
3 years ago | |
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| .. | ||
| r0p1 | 3 years ago | |
| ReadMe.txt | 5 years ago | |
ReadMe.txt
There are two options for running FreeRTOS on ARM Cortex-M7 microcontrollers. The best option depends on the revision of the ARM Cortex-M7 core in use. The revision is specified by an 'r' number, and a 'p' number, so will look something like 'r0p1'. Check the documentation for the microcontroller in use to find the revision of the Cortex-M7 core used in that microcontroller. If in doubt, use the FreeRTOS port provided specifically for r0p1 revisions, as that can be used with all core revisions. The first option is to use the ARM Cortex-M4F port, and the second option is to use the Cortex-M7 r0p1 port - the latter containing a minor errata workaround. If the revision of the ARM Cortex-M7 core is not r0p1 then either option can be used, but it is recommended to use the FreeRTOS ARM Cortex-M4F port located in the /FreeRTOS/Source/portable/GCC/ARM_CM4F directory. If the revision of the ARM Cortex-M7 core is r0p1 then use the FreeRTOS ARM Cortex-M7 r0p1 port located in the /FreeRTOS/Source/portable/GCC/ARM_CM7/r0p1 directory.