diff options
| author | Simon Glass <sjg@chromium.org> | 2015-01-14 21:37:04 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-01-23 17:24:54 -0700 |
| commit | 4a2708a097eacd7aa3d10ccf26a70a467fa69217 (patch) | |
| tree | c2e07f6db9d83dbb45d2054343eff5172c34ae8f /drivers/pci/pci_rom.c | |
| parent | 07570e709765e93f2b1e9506cfd8fa24455636b5 (diff) | |
x86: Access the VGA ROM when needed
Add code to the generic pci_rom file to access the VGA ROM in PCI space
when needed.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/pci/pci_rom.c')
| -rw-r--r-- | drivers/pci/pci_rom.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index a16e99f1da..eb7659177b 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -81,7 +81,12 @@ static int pci_rom_probe(pci_dev_t dev, uint class, #ifdef CONFIG_X86_OPTION_ROM_ADDR rom_address = CONFIG_X86_OPTION_ROM_ADDR; #else - pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK); + + if (pciauto_setup_rom(pci_bus_to_hose(PCI_BUS(dev)), dev)) { + debug("Cannot find option ROM\n"); + return -ENOENT; + } + pci_read_config_dword(dev, PCI_ROM_ADDRESS, &rom_address); if (rom_address == 0x00000000 || rom_address == 0xffffffff) { debug("%s: rom_address=%x\n", __func__, rom_address); |