VGA_FB_PHYS_BASE
aperture_detach_devices(VGA_FB_PHYS_BASE, VGA_FB_PHYS_SIZE);
info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS_BASE, 0);
ret = devm_aperture_acquire_for_platform_device(dev, VGA_FB_PHYS_BASE, VGA_FB_PHYS_SIZE);
.smem_start = VGA_FB_PHYS_BASE,