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Diffstat (limited to 'src/drivers/usb')
| -rw-r--r-- | src/drivers/usb/Kconfig | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/drivers/usb/Kconfig b/src/drivers/usb/Kconfig new file mode 100644 index 0000000000..28b95c6263 --- /dev/null +++ b/src/drivers/usb/Kconfig @@ -0,0 +1,94 @@ + # Use "select HAVE_USBDEBUG" on southbridges which have Debug Port code. +config HAVE_USBDEBUG + bool + default y if HAVE_USBDEBUG_OPTIONS + default n + +# Use "select HAVE_USBDEBUG_OPTIONS" on southbridges with multiple +# EHCI controllers or multiple ports with Debug Port capability +config HAVE_USBDEBUG_OPTIONS + def_bool n + +config USBDEBUG + bool "USB 2.0 EHCI debug dongle support" + default n + depends on HAVE_USBDEBUG + help + This option allows you to use a so-called USB EHCI Debug device + (such as the Ajays NET20DC, AMIDebug RX, or a system using the + Linux "EHCI Debug Device gadget" driver found in recent kernel) + to retrieve the coreboot debug messages (instead, or in addition + to, a serial port). + + This feature is NOT supported on all chipsets in coreboot! + + It also requires a USB2 controller which supports the EHCI + Debug Port capability. + + See http://www.coreboot.org/EHCI_Debug_Port for an up-to-date list + of supported controllers. + + If unsure, say N. + +if USBDEBUG + +config USBDEBUG_IN_ROMSTAGE + bool "Enable early (pre-RAM) usbdebug" + default y + depends on EARLY_CBMEM_INIT && EARLY_CONSOLE + help + Configuring USB controllers in system-agent binary may cause + problems to usbdebug. Disabling this option delays usbdebug to + be setup on entry to ramstage. + + If unsure, say Y. + +config USBDEBUG_HCD_INDEX + int + default 0 + prompt "Index for EHCI controller to use with usbdebug" if HAVE_USBDEBUG_OPTIONS + help + Some boards have multiple EHCI controllers with possibly only + one having the Debug Port capability on an external USB port. + + Mapping of this index to PCI device functions is southbridge + specific and mainboard level Kconfig should already provide + a working default value here. + +config USBDEBUG_DEFAULT_PORT + int + default 0 + prompt "Default USB port to use as Debug Port" if HAVE_USBDEBUG_OPTIONS + help + Selects which physical USB port usbdebug dongle is connected to. + Setting of 0 means to scan possible ports starting from 1. + + Intel platforms have hardwired the debug port location and this + setting makes no difference there. + + Hence, if you select the correct port here, you can speed up + your boot time. Which USB port number refers to which actual + port on your mainboard (potentially also USB pin headers on + your mainboard) is highly board-specific, and you'll likely + have to find out by trial-and-error. + +choice + prompt "Type of dongle" + default USBDEBUG_DONGLE_STD + +config USBDEBUG_DONGLE_STD + bool "Net20DC or compatible" + +config USBDEBUG_DONGLE_BEAGLEBONE + bool "BeagleBone" + help + Use this to configure the USB hub on BeagleBone board. + +endchoice + +config USBDEBUG_OPTIONAL_HUB_PORT + int + default 2 if USBDEBUG_DONGLE_BEAGLEBONE + default 0 + +endif # USBDEBUG |