#include <fdtdec.h>
#include <pci_rom.h>
#include <asm/io.h>
+#include <asm/mtrr.h>
#include <asm/pci.h>
#include <asm/arch/pch.h>
#include <asm/arch/sandybridge.h>
+#include <linux/kconfig.h>
struct gt_powermeter {
u16 reg;
int gma_func0_init(pci_dev_t dev, struct pci_controller *hose,
const void *blob, int node)
{
+#ifdef CONFIG_VIDEO
+ ulong start;
+#endif
void *gtt_bar;
+ ulong base;
u32 reg32;
int ret;
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
+ /* Use write-combining for the graphics memory, 256MB */
+ base = pci_read_bar32(hose, dev, 2);
+ mtrr_add_request(MTRR_TYPE_WRCOMB, base, 256 << 20);
+ mtrr_commit(true);
+
gtt_bar = (void *)pci_read_bar32(pci_bus_to_hose(0), dev, 0);
debug("GT bar %p\n", gtt_bar);
ret = gma_pm_init_pre_vbios(gtt_bar);
if (ret)
return ret;
+#ifdef CONFIG_VIDEO
+ start = get_timer(0);
ret = pci_run_vga_bios(dev, int15_handler, false);
-
+ debug("BIOS ran in %lums\n", get_timer(start));
+#endif
/* Post VBIOS init */
ret = gma_pm_init_post_vbios(gtt_bar, blob, node);
if (ret)