diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-08-12 20:40:37 +0300 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2013-08-29 18:35:47 +0200 |
| commit | 24100100181bd770ce0f1181a1770a0808790cde (patch) | |
| tree | ed9b812999f747902f0294859f98b149848716f9 /src/console | |
| parent | f7381f8cd1cf4307dcccd5728fc11afce3610439 (diff) | |
usbdebug: Change debug port scanning
On AMD platforms, setting of USBDEBUG_DEFAULT_PORT=0 tries to scan
all physical ports one after other in incrementing order. To avoid
possible problems with other USB devices, one can select the port
number here and bypass the scan.
Intel platforms can communicate with usbdebug dongle on one
physical port only, and this option makes no difference there.
Change-Id: I45be6cc3aa91b74650eda2d444c9fcad39d58897
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/3872
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/console')
| -rw-r--r-- | src/console/Kconfig | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/src/console/Kconfig b/src/console/Kconfig index c5e5f28449..b753be4023 100644 --- a/src/console/Kconfig +++ b/src/console/Kconfig @@ -146,9 +146,6 @@ config HAVE_USBDEBUG def_bool n config USBDEBUG - def_bool n - -config USBDEBUG bool "USB 2.0 EHCI debug dongle support" default n depends on HAVE_USBDEBUG @@ -169,25 +166,21 @@ config USBDEBUG If unsure, say N. -# Note: This option doesn't make sense on Intel ICH / AMD SB600 southbridges -# as those hardcode the physical USB port to be used as Debug Port to 1. -# It cannot be changed by coreboot. config USBDEBUG_DEFAULT_PORT int "Default USB port to use as Debug Port" - default 1 - depends on USBDEBUG && !SOUTHBRIDGE_INTEL_I82801GX && !SOUTHBRIDGE_AMD_SB600 + default 0 + depends on USBDEBUG help - This option selects which physical USB port coreboot will try to - use as EHCI Debug Port first (valid values are: 1-15). + Selects which physical USB port usbdebug dongle is connected to. + Setting of 0 means to scan possible ports starting from 1. - If coreboot doesn't detect an EHCI Debug Port dongle on this port, - it will try all the other ports one after the other. This will take - a few seconds of time though, and thus slow down the booting process. + 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 (1-15) refers to which - actual port on your mainboard (potentially also USB pin headers - on your mainboard) is highly board-specific, and you'll likely + 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. # TODO: Deps? |