[PATCH v3] arm64: renesas: Add Cortex-M33 build option to R-Car Gen5

Marek Vasut marek.vasut at mailbox.org
Mon May 4 19:51:36 CEST 2026


On 4/27/26 3:10 AM, Marek Vasut wrote:
> The R-Car Gen5 SoCs contains Cortex-M33, Cortex-R52 and Cortex-A720AE
> cores. Add U-Boot build options for the Cortex-M33 core.
> 
> Since the Cortex-M33 core is a 32bit core, select V8M and ARM64 for
> RCAR64 accordingly. Select TMU timer on the 32bit core, where it is
> used instead of the ARMv8 timer. Adjust TMU timer base address to match
> the address map of the Cortex-M33 core. Disable unused OF_BOARD_SETUP
> as well as unavailable POSITION_INDEPENDENT configuration options.
If there are no objections, I will be picking this up via SH tree shortly.


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