Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / video / coreboot_fb.c

diff --git a/qemu/roms/u-boot/drivers/video/coreboot_fb.c b/qemu/roms/u-boot/drivers/video/coreboot_fb.c
new file mode 100644 (file)
index 0000000..56c35c1
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/video/coreboot_fb.c
@@ -0,0 +1,85 @@
+/*
+ * coreboot Framebuffer driver.
+ *
+ * Copyright (C) 2011 The Chromium OS authors
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/tables.h>
+#include <asm/arch/sysinfo.h>
+#include <video_fb.h>
+#include "videomodes.h"
+
+/*
+ * The Graphic Device
+ */
+GraphicDevice ctfb;
+
+static int parse_coreboot_table_fb(GraphicDevice *gdev)
+{
+       struct cb_framebuffer *fb = lib_sysinfo.framebuffer;
+
+       /* If there is no framebuffer structure, bail out and keep
+        * running on the serial console.
+        */
+       if (!fb)
+               return 0;
+
+       gdev->winSizeX = fb->x_resolution;
+       gdev->winSizeY = fb->y_resolution;
+
+       gdev->plnSizeX = fb->x_resolution;
+       gdev->plnSizeY = fb->y_resolution;
+
+       gdev->gdfBytesPP = fb->bits_per_pixel / 8;
+
+       switch (fb->bits_per_pixel) {
+       case 24:
+               gdev->gdfIndex = GDF_32BIT_X888RGB;
+               break;
+       case 16:
+               gdev->gdfIndex = GDF_16BIT_565RGB;
+               break;
+       default:
+               gdev->gdfIndex = GDF__8BIT_INDEX;
+               break;
+       }
+
+       gdev->isaBase = CONFIG_SYS_ISA_IO_BASE_ADDRESS;
+       gdev->pciBase = (unsigned int)fb->physical_address;
+
+       gdev->frameAdrs = (unsigned int)fb->physical_address;
+       gdev->memSize = fb->bytes_per_line * fb->y_resolution;
+
+       gdev->vprBase = (unsigned int)fb->physical_address;
+       gdev->cprBase = (unsigned int)fb->physical_address;
+
+       return 1;
+}
+
+void *video_hw_init(void)
+{
+       GraphicDevice *gdev = &ctfb;
+       int bits_per_pixel;
+
+       printf("Video: ");
+
+       if (!parse_coreboot_table_fb(gdev)) {
+               printf("No video mode configured in coreboot!\n");
+               return NULL;
+       }
+
+       bits_per_pixel = gdev->gdfBytesPP * 8;
+
+       /* fill in Graphic device struct */
+       sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
+                bits_per_pixel);
+       printf("%s\n", gdev->modeIdent);
+
+       memset((void *)gdev->pciBase, 0,
+               gdev->winSizeX * gdev->winSizeY * gdev->gdfBytesPP);
+
+       return (void *)gdev;
+}