RTEMS | bsp/aarch64/raspberrypi: Add Mailbox Support (!915)

Sat Jan 17 13:47:11 UTC 2026



Shaunak Datar commented on a discussion on bsps/aarch64/raspberrypi/include/bsp/raspberrypi.h: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/915#note_139102

 > -#define BCM2711_MBOX_CHANNEL_VUART 2
 > -/* VCHIQ channel */
 > -#define BCM2711_MBOX_CHANNEL_VCHIQ 3
 > -/* LEDs channel */
 > -#define BCM2711_MBOX_CHANNEL_LED 4
 > -/* Button channel */
 > -#define BCM2711_MBOX_CHANNEL_BUTTON 5
 > -/* Touch screen channel */
 > -#define BCM2711_MBOX_CHANNEL_TOUCHS 6
 > -
 > -#define BCM2711_MBOX_CHANNEL_COUNT 7
 > -/* Property tags (ARM <-> VC) channel */
 > -#define BCM2711_MBOX_CHANNEL_PROP_AVC 8
 > -/* Property tags (VC <-> ARM) channel */
 > -#define BCM2711_MBOX_CHANNEL_PROP_VCA 9
 > +#define TAG_GET_FIRMWARE_REV 0x00000001

Added the tags as an enum and moved it over to mailbox.h

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/915#note_139102
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