Update simple-framebuffer device-tree node by enumerating framebuffer related information in existing simple-framebuffer node in Linux device-tree file and enabling it.
In case there is no simple-framebuffer stub detected in Linux kernel device-tree and video is still active, then update the device-tree to reserve the framebuffer region for the active splash screen.
This helps preserve the splash screen till the display server takes over after OS is booted.
Signed-off-by: Devarsh Thakkar devarsht@ti.com --- board/ti/am62x/evm.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/board/ti/am62x/evm.c b/board/ti/am62x/evm.c index 9bdd0223cdb6..be0447f6e9ea 100644 --- a/board/ti/am62x/evm.c +++ b/board/ti/am62x/evm.c @@ -16,6 +16,7 @@ #include <cpu_func.h> #include <k3-ddrss.h> #include <fdt_support.h> +#include <fdt_simplefb.h> #include <asm/io.h> #include <asm/arch/hardware.h> #include <dm/uclass.h> @@ -162,3 +163,23 @@ void spl_perform_fixups(struct spl_image_info *spl_image) #endif } #endif + +#if defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ + int ret = -1; + + if (IS_ENABLED(CONFIG_FDT_SIMPLEFB)) + ret = fdt_simplefb_enable_and_mem_rsv(blob); + + /* If simplefb is not enabled and video is active, then at least reserve + * the framebuffer region to preserve the splash screen while OS is booting + */ + if (IS_ENABLED(CONFIG_VIDEO) && IS_ENABLED(CONFIG_OF_LIBFDT)) { + if (ret && video_is_active()) + return fdt_add_fb_mem_rsv(blob); + } + + return 0; +} +#endif