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Diffstat (limited to 'drivers/video/vesa.c')
-rw-r--r--drivers/video/vesa.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/video/vesa.c b/drivers/video/vesa.c
new file mode 100644
index 00000000000..e96f6747a6f
--- /dev/null
+++ b/drivers/video/vesa.c
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <dm.h>
+#include <log.h>
+#include <pci.h>
+#include <vesa.h>
+#include <video.h>
+#if defined(CONFIG_X86)
+#include <asm/mtrr.h>
+#endif
+
+static int vesa_video_probe(struct udevice *dev)
+{
+ int ret;
+
+ ret = vesa_setup_video(dev, NULL);
+ if (ret)
+ return log_ret(ret);
+
+#if defined(CONFIG_X86)
+ struct video_uc_plat *plat = dev_get_uclass_plat(dev);
+ ulong fbbase;
+
+ /* Use write-combining for the graphics memory, 256MB */
+ fbbase = IS_ENABLED(CONFIG_VIDEO_COPY) ? plat->copy_base : plat->base;
+ mtrr_set_next_var(MTRR_TYPE_WRCOMB, fbbase, 256 << 20);
+#endif
+
+ return 0;
+}
+
+static int vesa_video_bind(struct udevice *dev)
+{
+ struct video_uc_plat *uc_plat = dev_get_uclass_plat(dev);
+
+ /* Set the maximum supported resolution */
+ uc_plat->size = 2560 * 1600 * 4;
+ log_debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
+
+ return 0;
+}
+
+static const struct udevice_id vesa_video_ids[] = {
+ { .compatible = "vesa-fb" },
+ { }
+};
+
+U_BOOT_DRIVER(vesa_video) = {
+ .name = "vesa_video",
+ .id = UCLASS_VIDEO,
+ .of_match = vesa_video_ids,
+ .bind = vesa_video_bind,
+ .probe = vesa_video_probe,
+};
+
+static struct pci_device_id vesa_video_supported[] = {
+ { PCI_DEVICE_CLASS(PCI_CLASS_DISPLAY_VGA << 8, ~0) },
+ { },
+};
+
+U_BOOT_PCI_DEVICE(vesa_video, vesa_video_supported);