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sunxi: video: mark framebuffer as EFI reserved memory

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Inform the EFI subsystem that the framebuffer memory is reserved.

Without the patch the AllocatePool boot service allocates memory from the
framebuffer which will will be overwritten by screen output.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2018-03-03 10:30:17 +01:00 committed by Anatolij Gustschin
parent 5fba532954
commit d06717f853
1 changed files with 8 additions and 0 deletions
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8
drivers/video/sunxi/sunxi_display.c
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@ -8,6 +8,7 @@
*/
#include <common.h>
#include <efi_loader.h>
#include <asm/arch/clock.h>
#include <asm/arch/display.h>
@ -1207,6 +1208,13 @@ void *video_hw_init(void)
gd->bd->bi_dram[0].size - sunxi_display.fb_size;
sunxi_engines_init();
#ifdef CONFIG_EFI_LOADER
efi_add_memory_map(gd->fb_base,
ALIGN(sunxi_display.fb_size, EFI_PAGE_SIZE) >>
EFI_PAGE_SHIFT,
EFI_RESERVED_MEMORY_TYPE, false);
#endif
fb_dma_addr = gd->fb_base - CONFIG_SYS_SDRAM_BASE;
sunxi_display.fb_addr = gd->fb_base;
if (overscan_offset) {