Matt DeVillier (matt.devillier@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/6018
-gerrit
commit c20e31f08f29ad19b38f5762d8f225e8e9fb3645 Author: Stefan Reinauer reinauer@chromium.org Date: Thu Oct 17 17:00:26 2013 -0700
lynxpoint: Allow to always route USB3 ports to XHCI
This will make USB keyboards connected to USB3 ports work in libpayload on Beltino.
BUG=chrome-os-partner:23396 BRANCH=none TEST=Use USB keyboard on Beltino in dev mode screen
Change-Id: I70b03d733bd9e4c8be5673b48bd2196effa8a5e7 Signed-off-by: Matt DeVillier matt.devillier@gmail.com Signed-off-by: Stefan Reinauer reinauer@google.com Reviewed-on: https://chromium-review.googlesource.com/173640 Reviewed-by: Duncan Laurie dlaurie@chromium.org Commit-Queue: Stefan Reinauer reinauer@chromium.org Tested-by: Stefan Reinauer reinauer@chromium.org --- src/southbridge/intel/lynxpoint/chip.h | 3 +++ src/southbridge/intel/lynxpoint/usb_xhci.c | 8 +++++++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/src/southbridge/intel/lynxpoint/chip.h b/src/southbridge/intel/lynxpoint/chip.h index e47a031..cc2cda0 100644 --- a/src/southbridge/intel/lynxpoint/chip.h +++ b/src/southbridge/intel/lynxpoint/chip.h @@ -111,6 +111,9 @@ struct southbridge_intel_lynxpoint_config { * [24] = CLKOUT_ITPXDP */ uint32_t icc_clock_disable; + + /* Route USB ports to XHCI per default */ + uint8_t xhci_default; };
extern struct chip_operations southbridge_intel_lynxpoint_ops; diff --git a/src/southbridge/intel/lynxpoint/usb_xhci.c b/src/southbridge/intel/lynxpoint/usb_xhci.c index 405277c..41c29f9 100644 --- a/src/southbridge/intel/lynxpoint/usb_xhci.c +++ b/src/southbridge/intel/lynxpoint/usb_xhci.c @@ -26,6 +26,8 @@ #include <arch/io.h> #include "pch.h"
+typedef struct southbridge_intel_lynxpoint_config config_t; + static u32 usb_xhci_mem_base(device_t dev) { u32 mem_base = pci_read_config32(dev, PCI_BASE_ADDRESS_0); @@ -294,6 +296,7 @@ static void usb_xhci_init(device_t dev) u32 reg32; u16 reg16; u32 mem_base = usb_xhci_mem_base(dev); + config_t *config = dev->chip_info;
/* D20:F0:74h[1:0] = 00b (set D0 state) */ reg16 = pci_read_config16(dev, XHCI_PWR_CTL_STS); @@ -357,8 +360,11 @@ static void usb_xhci_init(device_t dev) /* Reset ports that are disabled or * polling before returning to the OS. */ usb_xhci_reset_usb3(dev, 0); - } + } else #endif + /* Route all ports to XHCI */ + if (config->xhci_default) + outb(0xca, 0xb2); }
static void usb_xhci_set_subsystem(device_t dev, unsigned vendor,