diff options
Diffstat (limited to 'src/southbridge/intel/bd82x6x/usb_ehci.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/usb_ehci.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/usb_ehci.c b/src/southbridge/intel/bd82x6x/usb_ehci.c index 78f92d9683..97f20bd96a 100644 --- a/src/southbridge/intel/bd82x6x/usb_ehci.c +++ b/src/southbridge/intel/bd82x6x/usb_ehci.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <kconfig.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> @@ -36,11 +37,43 @@ static void usb_ehci_init(struct device *dev) RCBA32(0x35b0) = reg32; printk(BIOS_DEBUG, "EHCI: Setting up controller.. "); + + /* For others, done in MRC. */ +#if IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_NATIVE) + pci_write_config32(dev, 0x84, 0x930c8811); + pci_write_config32(dev, 0x88, 0x24000d30); + pci_write_config32(dev, 0xf4, 0x80408588); + pci_write_config32(dev, 0xf4, 0x80808588); + pci_write_config32(dev, 0xf4, 0x00808588); + pci_write_config32(dev, 0xfc, 0x205b1708); +#endif + reg32 = pci_read_config32(dev, PCI_COMMAND); reg32 |= PCI_COMMAND_MASTER; //reg32 |= PCI_COMMAND_SERR; pci_write_config32(dev, PCI_COMMAND, reg32); + /* For others, done in MRC. */ +#if IS_ENABLED(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_NATIVE) + struct resource *res; + u8 access_cntl; + + access_cntl = pci_read_config8(dev, 0x80); + + /* Enable writes to protected registers. */ + pci_write_config8(dev, 0x80, access_cntl | 1); + + res = find_resource(dev, PCI_BASE_ADDRESS_0); + if (res) { + /* Number of ports and companion controllers. */ + reg32 = read32(res->base + 4); + write32(res->base + 4, (reg32 & 0xfff00000) | 3); + } + + /* Restore protection. */ + pci_write_config8(dev, 0x80, access_cntl); +#endif + printk(BIOS_DEBUG, "done.\n"); } |