RTEMS | bsp/aarch64/raspberrypi: Add Mailbox Support (!915)
Kinsey Moore (@opticron)
gitlab at rtems.org
Thu Jan 15 22:45:23 UTC 2026
Kinsey Moore commented on a discussion on bsps/aarch64/raspberrypi/start/mailbox.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/915#note_138816
> +
> + memset(buffer, 0, size);
> + return RTEMS_SUCCESSFUL;
> +}
> +
> +
> +
> +void rpi_mbox_write(uint8_t channel, uint32_t data){
> + while(BCM2835_REG(BCM2711_MBOX_STATUS) & BCM2711_MBOX_FULL){
> + }
> +
> + BCM2835_REG(BCM2711_MBOX_WRITE) = (data & MBOX_MAIL_DATA_MASK) | (channel & MBOX_MAIL_CHANNEL_MASK);
> +
> +}
> +
> +uint32_t rpi_mbox_read(uint8_t channel){
All of these functions should also use RTEMS-style braces with function opening and closing braces on their own lines.
--
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/915#note_138816
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