diff options
| author | Marc Jones <marc.jones@se-eng.com> | 2012-11-13 15:07:45 -0700 |
|---|---|---|
| committer | Marc Jones <marc.jones@se-eng.com> | 2013-03-09 00:09:37 +0100 |
| commit | e7ae96f48834d57fd1a6c8940fa3f64b97520ed9 (patch) | |
| tree | 34a5d2b6bb7bf08b82b5d1a8bf88c94294c704f7 /src/southbridge/intel/bd82x6x/early_usb.c | |
| parent | 4733c647bc64cef86f03efd64a145e4da6fef123 (diff) | |
Add Intel Panther Point USB3 initialization
Add PEI updates and ACPI updates for supporting EHCI to XHCI
USB port support.
Change-Id: I9ace68a1b3950771aefb96c1319b8899291edd9a
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/2519
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
Diffstat (limited to 'src/southbridge/intel/bd82x6x/early_usb.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/early_usb.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_usb.c b/src/southbridge/intel/bd82x6x/early_usb.c index b2e009123e..bbe792f908 100644 --- a/src/southbridge/intel/bd82x6x/early_usb.c +++ b/src/southbridge/intel/bd82x6x/early_usb.c @@ -27,6 +27,7 @@ #define PCH_EHCI1_TEMP_BAR0 0xe8000000 #define PCH_EHCI2_TEMP_BAR0 0xe8000400 +#define PCH_XHCI_TEMP_BAR0 0xe8001000 /* * Setup USB controller MMIO BAR to prevent the @@ -39,6 +40,7 @@ void enable_usb_bar(void) { device_t usb0 = PCH_EHCI1_DEV; device_t usb1 = PCH_EHCI2_DEV; + device_t usb3 = PCH_XHCI_DEV; u32 cmd; /* USB Controller 1 */ @@ -54,4 +56,11 @@ void enable_usb_bar(void) cmd = pci_read_config32(usb1, PCI_COMMAND); cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; pci_write_config32(usb1, PCI_COMMAND, cmd); + + /* USB3 Controller */ + pci_write_config32(usb3, PCI_BASE_ADDRESS_0, + PCH_XHCI_TEMP_BAR0); + cmd = pci_read_config32(usb3, PCI_COMMAND); + cmd |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config32(usb3, PCI_COMMAND, cmd); } |