Seyoung Baik created a merge request: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/478

Project:Branches: JimmyBaik/rtems:pl111_fb to rtems/rtos/rtems:main
Author:   Seyoung Baik




### Summary

This patch adds a minimal implementation of `fb_set_up()` for the PL111
framebuffer controller in the realview-pbx-a9 BSP.

To ensure compatibility with QEMU (which does not emulate PL111 MMIO),
this setup function skips register writes when a dummy MMIO base address
(e.g., 0x70000000) is detected. This prevents fatal exceptions and allows
safe printk-based verification.

### 
Signed-off-by![Screenshot_from_2025-05-15_16-04-28](/uploads/110db3660a91a76380fe7da61fbfe56d/Screenshot_from_2025-05-15_16-04-28.png)

Seyoung Baik <hielelshad...@gmail.com>

-- 
View it on GitLab: 
https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/478
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