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video: sunxi: de2: Reserve the fb region in the EFI memory map

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If compile with support for the efi loader we need to mark the pages
allocated for the framebuffer as reserved so the kernel won't attempt
to use them for other uses.

Signed-off-by: Emmanuel Vadot <manu@freebsd.org>
Acked-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Emmanuel Vadot 2018-05-04 10:26:55 +02:00 • committed by Alexander Graf
parent d73c8bc052
commit d9b63ea987
1 changed files with 8 additions and 0 deletions
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8
drivers/video/sunxi/sunxi_de2.c
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@ -9,6 +9,7 @@
#include <display.h>
#include <dm.h>
#include <edid.h>
#include <efi_loader.h>
#include <fdtdec.h>
#include <fdt_support.h>
#include <video.h>
@ -221,6 +222,13 @@ static int sunxi_de2_init(struct udevice *dev, ulong fbbase,
uc_priv->bpix = l2bpp;
debug("fb=%lx, size=%d %d\n", fbbase, uc_priv->xsize, uc_priv->ysize);
#ifdef CONFIG_EFI_LOADER
efi_add_memory_map(fbbase,
ALIGN(timing.hactive.typ * timing.vactive.typ *
(1 << l2bpp) / 8, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
EFI_RESERVED_MEMORY_TYPE, false);
#endif
return 0;
}