RTEMS | Complete the u-boot support for qoriq BSP (!1046)
Gedare Bloom (@gedare)
gitlab at rtems.org
Thu Feb 12 16:59:19 UTC 2026
Gedare Bloom started a new discussion on bsps/powerpc/qoriq/start/uboot_support.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1046#note_142513
> +
> +#include <stdint.h>
> +
> +#include <bsp.h>
> +
> +#if defined(HAS_UBOOT)
> +/* Base address of U-Boot environment variables
> + * The default base address 0xfff00000 is the starting address of the MRAM
> + * of board mvme2500 according to its manual. MRAM is a type of nonvolatile
> + * memory.
> + *
> + * For other qoriq boards, users should update the base address accordingly.
> + * User should export the U-Boot environment to this base address in U-Boot
> + * terminal before accessing it in RTEMS.
> + */
> +const uint8_t *uboot_environment = (const uint8_t *) 0xfff00000;
Can we get this from a linkcmds variable, or add a linkcmds variable for it?
--
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1046#note_142513
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