diff options
Diffstat (limited to 'boot/fdt_simplefb.c')
| -rw-r--r-- | boot/fdt_simplefb.c | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/boot/fdt_simplefb.c b/boot/fdt_simplefb.c index 069ced75a7f..837920bd3a3 100644 --- a/boot/fdt_simplefb.c +++ b/boot/fdt_simplefb.c @@ -12,6 +12,8 @@ #include <asm/global_data.h> #include <linux/libfdt.h> #include <video.h> +#include <spl.h> +#include <bloblist.h> DECLARE_GLOBAL_DATA_PTR; @@ -26,15 +28,29 @@ static int fdt_simplefb_configure_node(void *blob, int off) struct udevice *dev; int ret; - ret = uclass_first_device_err(UCLASS_VIDEO, &dev); - if (ret) - return ret; - uc_priv = dev_get_uclass_priv(dev); - plat = dev_get_uclass_plat(dev); - xsize = uc_priv->xsize; - ysize = uc_priv->ysize; - bpix = uc_priv->bpix; - fb_base = plat->base; + if (IS_ENABLED(CONFIG_SPL_VIDEO_HANDOFF) && spl_phase() > PHASE_SPL) { + struct video_handoff *ho; + + ho = bloblist_find(BLOBLISTT_U_BOOT_VIDEO, sizeof(*ho)); + if (!ho) + return log_msg_ret("Missing video bloblist", -ENOENT); + + xsize = ho->xsize; + ysize = ho->ysize; + bpix = ho->bpix; + fb_base = ho->fb; + } else { + ret = uclass_first_device_err(UCLASS_VIDEO, &dev); + if (ret) + return ret; + uc_priv = dev_get_uclass_priv(dev); + plat = dev_get_uclass_plat(dev); + xsize = uc_priv->xsize; + ysize = uc_priv->ysize; + bpix = uc_priv->bpix; + fb_base = plat->base; + } + switch (bpix) { case 4: /* VIDEO_BPP16 */ name = "r5g6b5"; @@ -91,7 +107,6 @@ static int fdt_simplefb_enable_existing_node(void *blob) #if IS_ENABLED(CONFIG_VIDEO) int fdt_simplefb_enable_and_mem_rsv(void *blob) { - struct fdt_memory mem; int ret; /* nothing to do when video is not active */ @@ -102,15 +117,6 @@ int fdt_simplefb_enable_and_mem_rsv(void *blob) if (ret) return ret; - /* nothing to do when the frame buffer is not defined */ - if (gd->video_bottom == gd->video_top) - return 0; - - /* reserved with no-map tag the video buffer */ - mem.start = gd->video_bottom; - mem.end = gd->video_top - 1; - - return fdtdec_add_reserved_memory(blob, "framebuffer", &mem, NULL, 0, NULL, - FDTDEC_RESERVED_MEMORY_NO_MAP); + return fdt_add_fb_mem_rsv(blob); } #endif |