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Linux USB Stack Architecture . As shown in the figure, linux usb stack is a layered architecture, with musb controller at the lowest layer, the musb host/device controller driver binds the musb controller hardware to linux usb stack framework. The CPPI4.1 DMA controller driver is responsible for transmit/receive of packets over the musb endpoints.
The following patch will force MUSB work in full-speed mode, it clears HSENAB bit in POWER register in musb_start(). The patch is based on PSP 126.96.36.199, but I don't think you will have issue to apply it …
・pdk_am335x_1_0_16 ・bios_6_76_02_02 ・usb bulk transfer + musb ・AM3352 Customer's board. The details are in the following pdf file. 2671.e2e.pdf. I understand that USB_DevMsc_evmAM335x_armExampleProject doesn't reproduce. But they only have AM335x Starter Kit, so it seems difficult to reproduce this issue. Question:
I am working on AM335X custom board. The kernel is v3.12 that released from SDK 7.0. If I use the use the EDMA mode of USB, I cannot get USB port working.
MUSB Linux Porting Guide. From Texas Instruments Wiki. ... The only change required would be in device tree (DTS) depending on the USB use cases. AM335x USB Device Tree Preview. AM335x has a common DTS file - arch/arm/boot ... The USB node in am33xx.dtsi defines nodes and properties for USB Control Module, USB PHYs, MUSB Controllers, and CPPI41 ...
USB-OTG as a peripheral and a host. Added by Preejith S P about 6 years ago. Hello, ... mityomapl138_usb_init(MUSB_PERIPHERAL); After this, I rebuilt the kernel and created the uImage and loaded the kernel. ... This link talks about it a bit (for AM335X, but …
Oct 21, 2014 · “insmod musb_am335x.ko” “insmod musb_hdrc.ko” “insmod musb_dsps.ko” Once you have installed the 3 modules the USB hardware on the am335x is initialized and you can test the usb port by plugging in a USB memory drive. There are 2 USB ports on the beagle bone black and they are both USB-OTG capable, i.e. the ports can be configured ...
Jan 17, 2017 · * Alexandre Bailon <[email protected]> [170117 06:36]: > Currently, only the PIO mode is supported. > This add support of CPPI 4.1 to DA8xx. > As the In DA8xx the CPPI 4.1 DMA is a part of the USB. > Create the CPPI 4.1 device as a child of USB. Are you sure there's always just one musb instance on these SoCs? If you have more than one musb instance, chances are you have an …
Jan 17, 2019 · Hi, * [email protected] <[email protected]> [190117 07:16]: > There are some quirk of MediaTek musb controller, such as: > -W1C interrupt status registers > -Private data toggle registers > -No dedicated DMA interrupt line Can you please separate the musb generic changes listed above into separate individual patches in preparation for adding support for new hardware?
[PATCH v3 0/3] AM335x: Add USB support in u-boot. These patches add USB support in u-boot for AM335x. I have tested this code on AM335x evm and beaglebone in the …
4 days ago · usb: musb: remove dummy driver musb_am335x.c Bryan O'Donoghue (3): dt-bindings: connector: Improve the english of the initial description ... usb: musb: Add support for MediaTek musb controller Minas Harutyunyan (1): usb: dwc2: Fix Stalling a …
Jul 29, 2017 · Buildroot with Beaglebon black USB OTG and getting started ... modprobe musb_am335x.ko ... libcomposite 46774 3 usb_f_ecm,g_ether,usb_f_rndis cppi41 7511 60 musb…
[PATCH v2 0/3] USB SPL support for AM33xx / am335x_evm. Hey all, The following is a slight update to Ilya's previous series for USB SPL on am33xx platforms. The changes are that I've dropped two...
USB OTG Host mode with BBB? Showing 1-11 of 11 messages. USB OTG Host mode with BBB? ... but looking at the AM335x technical reference manual it looks like I should be able to set USB Port 0 to function as a ... in the 'Device Drivers' -> 'USB Support' section and there didn't seem to be anything specifically relating to setting the mode of any ...
am335x: support for multiple USB instances. Hi, The last series has been rebased ontop Felipe's testing branch. It contains only the support for multiple devices. I decided to keep the temporary...
Jan 10, 2019 · Subject: Re: [PATCH 4/4] usb: musb: Add support for MediaTek musb controller: From: Min Guo <> Date: Thu, 10 Jan 2019 15:24:22 +0800
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