x86: Configure VESA parameters before loading Linux kernel

[karo-tx-uboot.git] / drivers / pci / pci_rom.c

diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c
index dd7fd953caf70cdb1164d079a62a091c5ebdd4ca..e7f995971cebb1b003b3198abaa118fb997bf7d3 100644 (file)
--- a/drivers/pci/pci_rom.c
+++ b/drivers/pci/pci_rom.c
@@ -31,6 +31,7 @@
 #include <pci_rom.h>
 #include <vbe.h>
 #include <video_fb.h>
+#include <linux/screen_info.h>
 
 #ifdef CONFIG_HAVE_ACPI_RESUME
 #include <asm/acpi.h>
@@ -230,6 +231,33 @@ int vbe_get_video_info(struct graphic_device *gdev)
 #endif
 }
 
+void setup_video(struct screen_info *screen_info)
+{
+#ifdef CONFIG_FRAMEBUFFER_SET_VESA_MODE
+       struct vesa_mode_info *vesa = &mode_info.vesa;
+
+       screen_info->orig_video_isVGA = VIDEO_TYPE_VLFB;
+
+       screen_info->lfb_width = vesa->x_resolution;
+       screen_info->lfb_height = vesa->y_resolution;
+       screen_info->lfb_depth = vesa->bits_per_pixel;
+       screen_info->lfb_linelength = vesa->bytes_per_scanline;
+       screen_info->lfb_base = vesa->phys_base_ptr;
+       screen_info->lfb_size =
+               ALIGN(screen_info->lfb_linelength * screen_info->lfb_height,
+                     65536);
+       screen_info->lfb_size >>= 16;
+       screen_info->red_size = vesa->red_mask_size;
+       screen_info->red_pos = vesa->red_mask_pos;
+       screen_info->green_size = vesa->green_mask_size;
+       screen_info->green_pos = vesa->green_mask_pos;
+       screen_info->blue_size = vesa->blue_mask_size;
+       screen_info->blue_pos = vesa->blue_mask_pos;
+       screen_info->rsvd_size = vesa->reserved_mask_size;
+       screen_info->rsvd_pos = vesa->reserved_mask_pos;
+#endif
+}
+
 int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method)
 {
        struct pci_rom_header *rom, *ram;