There is no need to run with the cache disabled, and there is no point in clearing the display frame buffer since U-Boot does it later.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
arch/x86/lib/bios.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c index d1f8933..4285348 100644 --- a/arch/x86/lib/bios.c +++ b/arch/x86/lib/bios.c @@ -210,8 +210,8 @@ static u8 vbe_set_mode(struct vbe_mode_info *mi) debug("VBE: Setting VESA mode %#04x\n", mi->video_mode); /* request linear framebuffer mode */ mi->video_mode |= (1 << 14); - /* request clearing of framebuffer */ - mi->video_mode &= ~(1 << 15); + /* don't clear the framebuffer, we do that later */ + mi->video_mode |= (1 << 15); realmode_interrupt(0x10, VESA_SET_MODE, mi->video_mode, 0x0000, 0x0000, 0x0000, 0x0000);
@@ -262,7 +262,6 @@ void bios_run_on_x86(pci_dev_t pcidev, unsigned long addr, int vesa_mode, /* Make sure the code is placed. */ setup_realmode_code();
- disable_caches(); debug("Calling Option ROM at %lx, pci device %#x...", addr, num_dev);
/* Option ROM entry point is at OPROM start + 3 */