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| author | Kuo-Jung Su <dantesu@faraday-tech.com> | 2013-05-15 15:29:22 +0800 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-06-12 22:22:51 +0200 |
| commit | aa1550588cc60549bf3a97dc6dccb7de4c022aa6 (patch) | |
| tree | 650492a00e6157d45caba48bb1320e52b555a1a3 /README | |
| parent | 1dde1423ad341b5d157ed7ee1f1b136f4ee7dbb4 (diff) | |
| download | u-boot-imx-aa1550588cc60549bf3a97dc6dccb7de4c022aa6.zip u-boot-imx-aa1550588cc60549bf3a97dc6dccb7de4c022aa6.tar.gz u-boot-imx-aa1550588cc60549bf3a97dc6dccb7de4c022aa6.tar.bz2 | |
usb: hub: make minimum power-on delay configurable
This patch makes the minimum power-on delay for USB HUB
become configurable. The original design waits at least
100 msec here, but some EHCI controlers(e.g. Faraday EHCI)
are known to require much longer delay interval.
Signed-off-by: Kuo-Jung Su <dantesu@faraday-tech.com>
CC: Marek Vasut <marex@denx.de>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -1261,6 +1261,9 @@ The following options need to be configured: CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the txfilltuning field in the EHCI controller on reset. + CONFIG_USB_HUB_MIN_POWER_ON_DELAY defines the minimum + interval for usb hub power-on delay.(minimum 100msec) + - USB Device: Define the below if you wish to use the USB console. Once firmware is rebuilt from a serial console issue the |