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x86: Pass video settings from SPL to U-Boot proper

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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>
This commit is contained in:
Simon Glass
2023-07-15 21:38:59 -06:00
committed by Bin Meng
parent 5345700d2a
commit 03fe79c091
4 changed files with 83 additions and 21 deletions
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1
include/bloblist.h
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@@ -113,6 +113,7 @@ enum bloblist_tag_t {
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

24
include/video.h
View File

@@ -134,6 +134,30 @@ struct video_ops {
#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,