From 863880605f69dd29c4e221f3459d5ba01bdb17f2 Mon Sep 17 00:00:00 2001 From: Tim Gover Date: Tue, 21 Mar 2023 09:35:55 +0000 Subject: [PATCH] Add missing documentation for USB_MSD_STARTUP_DELAY This workaround for slow USB hard disk drivers is in the latest bootloader (default) release. --- .../computers/raspberry-pi/bcm2711-bootloader.adoc | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/documentation/asciidoc/computers/raspberry-pi/bcm2711-bootloader.adoc b/documentation/asciidoc/computers/raspberry-pi/bcm2711-bootloader.adoc index 800ac73ce..a61e8cc12 100644 --- a/documentation/asciidoc/computers/raspberry-pi/bcm2711-bootloader.adoc +++ b/documentation/asciidoc/computers/raspberry-pi/bcm2711-bootloader.adoc @@ -461,6 +461,15 @@ Minimum: `250` + Maximum: `5000` + Default: `1000` (1 second) +[[USB_MSD_STARTUP_DELAY]] +==== USB_MSD_STARTUP_DELAY + +If defined, delays USB enumeration for the given timeout after the USB host controller has initialised. If a USB hard disk drive takes a long time to initialise and triggers USB timeouts then this delay can be used to give the driver additional time to initialise. It may also be necessary to increase the overall USB timeout (`USB_MSD_DISCOVER_TIMEOUT`). + +Minimum: `0` + +Maximum: `30000` + (30 seconds) +Default: `0` + [[VL805]] ==== VL805 Compute Module 4 only.