From: FUKAUMI Naoki Date: Fri, 2 Aug 2024 02:49:49 +0000 (+0900) Subject: arm: dts: rockchip: disable "usb_host0_ohci" to make boot faster for Radxa ROCK 3A X-Git-Url: http://git.dujemihanovic.xyz/img/static/gitweb.css?a=commitdiff_plain;h=4dd06761719cb91e0aad543d866128f3719bfb78;p=u-boot.git arm: dts: rockchip: disable "usb_host0_ohci" to make boot faster for Radxa ROCK 3A on-board USB 2.0 hub, FE1.1s, has Transaction Translator which can handle USB 1.x devices via "usb_host0_ehci". so we can omit "usb_host0_ohci" and make boot faster (a little). => usb start starting USB... Bus usb@fd000000: Register 2000140 NbrPorts 2 Starting the controller USB XHCI 1.10 Bus usb@fd800000: USB EHCI 1.00 Bus usb@fd880000: USB EHCI 1.00 Bus usb@fd8c0000: USB OHCI 1.0 scanning bus usb@fd000000 for devices... 1 USB Device(s) found scanning bus usb@fd800000 for devices... 2 USB Device(s) found scanning bus usb@fd880000 for devices... 1 USB Device(s) found scanning bus usb@fd8c0000 for devices... 3 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found => usb tree USB device tree: 1 Hub (5 Gb/s, 0mA) U-Boot XHCI Host Controller 1 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-2 Hub (480 Mb/s, 100mA) USB 2.0 Hub 1 Hub (480 Mb/s, 0mA) u-boot EHCI Host Controller 1 Hub (12 Mb/s, 0mA) | U-Boot Root Hub | +-2 Hub (12 Mb/s, 100mA) | ALCOR Generic USB Hub | +-3 Mass Storage (12 Mb/s, 300mA) JetFlash Mass Storage Device 02K1RNH5MJFV4TX6 => usb reset resetting USB... Host not halted after 16000 microseconds. Bus usb@fd000000: Register 2000140 NbrPorts 2 Starting the controller USB XHCI 1.10 Bus usb@fd800000: USB EHCI 1.00 Bus usb@fd880000: USB EHCI 1.00 Bus usb@fd8c0000: USB OHCI 1.0 scanning bus usb@fd000000 for devices... 1 USB Device(s) found scanning bus usb@fd800000 for devices... 4 USB Device(s) found scanning bus usb@fd880000 for devices... 1 USB Device(s) found scanning bus usb@fd8c0000 for devices... 1 USB Device(s) found scanning usb for storage devices... 1 Storage Device(s) found => usb tree USB device tree: 1 Hub (5 Gb/s, 0mA) U-Boot XHCI Host Controller 1 Hub (480 Mb/s, 0mA) | u-boot EHCI Host Controller | +-2 Hub (480 Mb/s, 100mA) | USB 2.0 Hub | +-3 Hub (12 Mb/s, 100mA) | ALCOR Generic USB Hub | +-4 Mass Storage (12 Mb/s, 300mA) JetFlash Mass Storage Device 02K1RNH5MJFV4TX6 1 Hub (480 Mb/s, 0mA) u-boot EHCI Host Controller 1 Hub (12 Mb/s, 0mA) U-Boot Root Hub Signed-off-by: FUKAUMI Naoki Reviewed-by: Kever Yang --- diff --git a/arch/arm/dts/rk3568-rock-3a-u-boot.dtsi b/arch/arm/dts/rk3568-rock-3a-u-boot.dtsi index 9d18f5d0b3..9078b9a67a 100644 --- a/arch/arm/dts/rk3568-rock-3a-u-boot.dtsi +++ b/arch/arm/dts/rk3568-rock-3a-u-boot.dtsi @@ -40,3 +40,7 @@ spi-tx-bus-width = <1>; }; }; + +&usb_host0_ohci { + status = "disabled"; +};