Difference between revisions of "Zynq development issues"
From ElphelWiki
| Line 1: | Line 1: | ||
==Config== | ==Config== | ||
| − | ==dmesg== | + | ===kernel=== |
| + | 4.0 (linux-xlnx 468329e7fac2b22e76897fbd40532cc0884ded2a) | ||
| + | ===device-tree=== | ||
| + | ... | ||
| + | ps7_usb_0: ps7-usb@e0002000 { | ||
| + | clocks = <&clkc 28>; | ||
| + | compatible = "xlnx,zynq-usb-2.20a", "chipidea,usb2"; | ||
| + | reg = <0xe0002000 0x1000>; | ||
| + | interrupt-parent = <&ps7_scugic_0>; | ||
| + | interrupts = <0 21 4>; | ||
| + | dr_mode = "host"; | ||
| + | phy_type = "ulpi"; | ||
| + | usb-phy = <&usb_phy0>; | ||
| + | } ; | ||
| + | ... | ||
| + | } ; | ||
| + | ... | ||
| + | usb_phy0: phy0{ | ||
| + | compatible = "ulpi-phy"; | ||
| + | #phy-cells = <0>; | ||
| + | reg = <0xe0002000 0x1000>; | ||
| + | viewport = <0x170>; | ||
| + | } ; | ||
| + | |||
| + | ==from dmesg== | ||
<font size='2'> | <font size='2'> | ||
[ 1.035759] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver | [ 1.035759] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver | ||
| Line 10: | Line 34: | ||
<span style='color:red;'>[ 1.141232] ci_hdrc: probe of ci_hdrc.0 failed with error -110</span> | <span style='color:red;'>[ 1.141232] ci_hdrc: probe of ci_hdrc.0 failed with error -110</span> | ||
</font> | </font> | ||
| + | |||
| + | ==problem 1: vbus not found== | ||
| + | ===reason?=== | ||
| + | |||
| + | |||
==Links== | ==Links== | ||
* [https://forums.xilinx.com/t5/Embedded-Linux/USB-boot-with-Linux-2015-2-build/td-p/643868 Discussion w/o solution] | * [https://forums.xilinx.com/t5/Embedded-Linux/USB-boot-with-Linux-2015-2-build/td-p/643868 Discussion w/o solution] | ||
* [http://www.wiki.xilinx.com/Zynq+Linux+USB+Device+Driver Zynq Linux USB Device Driver] | * [http://www.wiki.xilinx.com/Zynq+Linux+USB+Device+Driver Zynq Linux USB Device Driver] | ||
* [https://forums.xilinx.com/t5/Embedded-Linux/USB-works-in-device-mode-but-not-in-host-mode/td-p/679097 ?!] | * [https://forums.xilinx.com/t5/Embedded-Linux/USB-works-in-device-mode-but-not-in-host-mode/td-p/679097 ?!] | ||
Revision as of 18:22, 12 April 2016
Contents
Config
kernel
4.0 (linux-xlnx 468329e7fac2b22e76897fbd40532cc0884ded2a)
device-tree
...
ps7_usb_0: ps7-usb@e0002000 {
clocks = <&clkc 28>;
compatible = "xlnx,zynq-usb-2.20a", "chipidea,usb2";
reg = <0xe0002000 0x1000>;
interrupt-parent = <&ps7_scugic_0>;
interrupts = <0 21 4>;
dr_mode = "host";
phy_type = "ulpi";
usb-phy = <&usb_phy0>;
} ;
...
} ;
...
usb_phy0: phy0{
compatible = "ulpi-phy";
#phy-cells = <0>;
reg = <0xe0002000 0x1000>;
viewport = <0x170>;
} ;
from dmesg
[ 1.035759] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.042319] usbcore: registered new interface driver usb-storage [ 1.073619] e0002000.ps7-usb supply vbus not found, using dummy regulator [ 1.103560] Registering platform device 'ci_hdrc.0'. Parent at e0002000.ps7-usb [ 1.114806] ci_hdrc ci_hdrc.0: ChipIdea HDRC found, revision: 22, lpm: 0; cap: f00d4100 op: f00d4140 [ 1.136023] ci_hdrc ci_hdrc.0: unable to init phy: -110 [ 1.141232] ci_hdrc: probe of ci_hdrc.0 failed with error -110
