mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 15:23:07 +00:00
3f4e1e8efc
Adjust these files to use the driver-model PCI API instead of the legacy functions. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Anatolij Gustschin <agust@denx.de> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/*
|
|
* VESA frame buffer driver
|
|
*
|
|
* Copyright (C) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <pci_rom.h>
|
|
#include <video_fb.h>
|
|
#include <vbe.h>
|
|
|
|
/*
|
|
* The Graphic Device
|
|
*/
|
|
GraphicDevice ctfb;
|
|
|
|
void *video_hw_init(void)
|
|
{
|
|
GraphicDevice *gdev = &ctfb;
|
|
struct udevice *dev;
|
|
int bits_per_pixel;
|
|
int ret;
|
|
|
|
printf("Video: ");
|
|
if (!ll_boot_init()) {
|
|
/*
|
|
* If we are running from EFI or coreboot, this driver can't
|
|
* work.
|
|
*/
|
|
printf("Not available (previous bootloader prevents it)\n");
|
|
return NULL;
|
|
}
|
|
if (vbe_get_video_info(gdev)) {
|
|
ret = dm_pci_find_class(PCI_CLASS_DISPLAY_VGA << 8, 0, &dev);
|
|
if (ret) {
|
|
printf("no card detected\n");
|
|
return NULL;
|
|
}
|
|
bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display");
|
|
ret = dm_pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE |
|
|
PCI_ROM_ALLOW_FALLBACK);
|
|
bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD);
|
|
if (ret) {
|
|
printf("failed to run video BIOS: %d\n", ret);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
if (vbe_get_video_info(gdev)) {
|
|
printf("No video mode configured\n");
|
|
return NULL;
|
|
}
|
|
|
|
bits_per_pixel = gdev->gdfBytesPP * 8;
|
|
sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
|
|
bits_per_pixel);
|
|
printf("%s\n", gdev->modeIdent);
|
|
debug("Frame buffer at %x\n", gdev->pciBase);
|
|
|
|
return (void *)gdev;
|
|
}
|