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Adding support for Renesas RX (RX65N and RX72N) #408

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Adding support for Renesas RX (RX65N and RX72N) #408

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Commits on May 31, 2024

  1. Adding support for RX65N and RX72N with native Makefile and RX ELF GC… 

    …C compiler. Fix documentation spelling errors. Improve documentation.
    @dgarske
    dgarske committed May 31, 2024
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  2. Added initialization of the clocks. UART is working.

    @dgarske
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  3. Support for running from on-chip high speed oscillator (HOCO). The ta… 

    …rget development board has no external clocks, so use onboard high speed clock (HOCO).
    @dgarske
    dgarske committed May 31, 2024
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  4. Fix stack issue and implement RX GCC do_boot. Increased user stack … 

    …to 16KB and interrupt stack to 4KB.
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    dgarske committed May 31, 2024
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  5. Fixes for test-app. Fixes and cleanups for big endian data handling o… 

    …n Renesas RX. Support for build-time switching of endianess (`BIG_ENDIAN=1`).
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  6. Improvements for endianess.

    @dgarske
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  7. Fix test-app entry point and setup/relocate exception and reset vectors.

    @dgarske
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  8. Added srecord output support. Added RX GPIO registers. Fixed startup … 

    …code for jump and gate switching to user mode if not already in it (so code works in test-app).
    @dgarske
    dgarske committed May 31, 2024
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  9. Support for external SPI flash.

    @dgarske
    dgarske committed May 31, 2024
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  10. Support for SPI flash via the RSPI peripheral.

    @dgarske
    dgarske committed May 31, 2024
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  11. Fix GPL version.

    @dgarske
    dgarske committed May 31, 2024
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  12. Fix SPI to use byte data access. Improve the SPI CS options. Portabil… 

    …ity improvements.
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  13. Fix RTC clock stop issue. Add new BOOT_ENTRY_OFFSET option for RX t… 

    …o provide offset to entry function. Improve RX arch flags for portability for building with older compiler. Cleanup the USE_GCC and GDB debugging options.
    @dgarske
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  14. Fix stage1 build. Remove files not needed.

    @dgarske
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  15. Fix cppcheck issue. Fix uart_init function conflict with UART_FLASH a… 

    …nd WOLFBOOT_FSP.
    @dgarske
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  16. Fix RTC stop code (on cold start).

    @dgarske
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  17. Disable forcing RX PSW user-mode unless RX_PSW_USER_MODE is defined.

    @dgarske
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  18. Support for Renesas RX72N with wolfBoot GCC RX and Make. Tested on RX… 

    …72N Envision Kit.
    @dgarske
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  19. Cleanups. Don't force 1024 header size in example. Remove execute bits.

    @dgarske
    dgarske committed May 31, 2024
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  20. Support for Renesas RX QSPI.

    @dgarske
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  21. QSPI fixes.

    @dgarske
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  22. Fixes for Renesas RX QSPI driver.

    @dgarske
    dgarske committed May 31, 2024
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  23. Consolidate RX65N/RX72N common code (99% the same).

    @dgarske
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  24. Fix RX PLL multiplier after refactor (code consolidation).

    @dgarske
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Commits on Jun 4, 2024

  1. Fixes for RX QSPI and Flash after additional testing. QSPI fixes for … 

    …FIFO and clearing status flags by writing 0. Added native RX support for internal flash erase/write. Enable support for RAM_CODE.
    @dgarske
    dgarske committed Jun 4, 2024
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  2. Fix cppcheck portability with 32-bit unsigned shift.

    @dgarske
    dgarske committed Jun 4, 2024
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