x86: Pass video settings from SPL to U-Boot proper
When video is set up in SPL, U-Boot proper needs to use the correct
parameters so it can write to the display.
Put these in a bloblist so they are available to U-Boot proper.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Nikhil M Jain <n-jain1@ti.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/bloblist.h b/include/bloblist.h
index 2a2f170..7ea72c6 100644
--- a/include/bloblist.h
+++ b/include/bloblist.h
@@ -113,6 +113,7 @@
BLOBLISTT_PROJECT_AREA = 0x8000,
BLOBLISTT_U_BOOT_SPL_HANDOFF = 0x8000, /* Hand-off info from SPL */
BLOBLISTT_VBE = 0x8001, /* VBE per-phase state */
+ BLOBLISTT_U_BOOT_VIDEO = 0x8002, /* Video information from SPL */
/*
* Vendor-specific tags are permitted here. Projects can be open source
diff --git a/include/video.h b/include/video.h
index e98d0f9..9729fa3 100644
--- a/include/video.h
+++ b/include/video.h
@@ -134,6 +134,30 @@
#define video_get_ops(dev) ((struct video_ops *)(dev)->driver->ops)
+/**
+ * struct video_handoff - video information passed from SPL
+ *
+ * This is used when video is set up by SPL, to provide the details to U-Boot
+ * proper.
+ *
+ * @fb: Base address of frame buffer, 0 if not yet known
+ * @size: Frame-buffer size, in bytes
+ * @xsize: Number of pixel columns (e.g. 1366)
+ * @ysize: Number of pixels rows (e.g.. 768)
+ * @line_length: Length of each frame buffer line, in bytes. This can be
+ * set by the driver, but if not, the uclass will set it after
+ * probing
+ * @bpix: Encoded bits per pixel (enum video_log2_bpp)
+ */
+struct video_handoff {
+ u64 fb;
+ u32 size;
+ u16 xsize;
+ u16 ysize;
+ u32 line_length;
+ u8 bpix;
+};
+
/** enum colour_idx - the 16 colors supported by consoles */
enum colour_idx {
VID_BLACK = 0,