Category:How to - usb - Revision history

Gerardo Richarte: fixed links

2011-08-02T19:22:04Z

fixed links

Gerardo Richarte: added infor on configuring 2.6.39

2011-08-02T18:07:27Z

added infor on configuring 2.6.39

Sellis: A little clarity on the -s switch.

2010-08-25T23:00:41Z

A little clarity on the -s switch.

Sellis: Simplified, remove kernel version numbers

2010-07-24T13:34:37Z

Simplified, remove kernel version numbers

Sellis: Added links for how to use the new kernel and rootfs

2010-04-01T18:07:42Z

Added links for how to use the new kernel and rootfs

Ashcharles at 21:51, 17 February 2010

2010-02-17T21:51:48Z

Ashcharles at 21:50, 17 February 2010

2010-02-17T21:50:24Z

Sellis: better method, use local.conf instead of editting recipe directly

2010-01-30T13:21:33Z

better method, use local.conf instead of editting recipe directly

Sellis: Formatting

2010-01-20T21:46:24Z

Formatting

Sellis: Added 2.6.32 reference

2010-01-14T18:31:19Z

Added 2.6.32 reference

@@ Line 42: / Line 42: @@
 ===Note on 2.6.39===
-There is currently an inconsistency between the recipe linux-omap3_2.6.39.bb and the default configuration (.config/defconfig) shipped, see [http://old.nabble.com/linux-omap3-2.6.39-build-failure-in-overo-2011.03-branch-td32094095.html|this post] and [http://old.nabble.com/Re%3A-Thumbo-in-Gadget-mode-and-USBNet-p32171580.html|this other post]. The latter, together with [[Kernel_Reconfiguration]], is what worked for me.
+There is currently an inconsistency between the recipe linux-omap3_2.6.39.bb and the default configuration (.config/defconfig) shipped, see [http://old.nabble.com/linux-omap3-2.6.39-build-failure-in-overo-2011.03-branch-td32094095.html this post] and [http://old.nabble.com/Re%3A-Thumbo-in-Gadget-mode-and-USBNet-p32171580.html this other post]. The latter, together with [[Kernel_Reconfiguration]], is what worked for me.
 ==Rebuild your kernel==

@@ Line 6: / Line 6: @@
 The procedure for changing the configuration requires rebuilding your kernel, so you should first be comfortable with [http://www.gumstix.net/Setup-and-Programming/view/Overo-Setup-and-Programming/Setting-up-a-build-environment/111.html setting up a build environment] and building images for your Overo.
-The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or greater.
+The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or greater. Though this procedure currently does not work with 2.6.39, as there are some inconsistencies between linux-omap3_2.6.39.bb recipe and the configuration (.config/defconfig) file shipped by default. See note below for more info on 2.6.39.
 The gumstix recipes for these kernels have a variable that allows you to specify how the OTG usb port is configured.
@@ Line 40: / Line 40: @@
 depending on your preference.
-Now rebuild your kernel.
+There is currently an inconsistency between the recipe linux-omap3_2.6.39.bb and the default configuration (.config/defconfig) shipped, see [http://old.nabble.com/linux-omap3-2.6.39-build-failure-in-overo-2011.03-branch-td32094095.html|this post] and [http://old.nabble.com/Re%3A-Thumbo-in-Gadget-mode-and-USBNet-p32171580.html|this other post]. The latter, together with [[Kernel_Reconfiguration]], is what worked for me.
   $ cd ${OVEROTOP}

@@ Line 8: / Line 8: @@
 The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or greater.
-The gumstix recipes for these kernels has a variable that allows you to specify how the OTG usb port is configured.
+The gumstix recipes for these kernels have a variable that allows you to specify how the OTG usb port is configured.
-You can check which kernel you'll be working with like this.
+Gumstix Overos use the linux-omap3 kernels by default. You can check which kernel version you'll be working with this way:
   $ cd ${OVEROTOP}
-  $ bitbake -s | grep linux-omap3
+  $ bitbake --show-versions | grep linux-omap3
   linux-omap3                            0:2.6.34-r81

@@ Line 6: / Line 6: @@
 The procedure for changing the configuration requires rebuilding your kernel, so you should first be comfortable with [http://www.gumstix.net/Setup-and-Programming/view/Overo-Setup-and-Programming/Setting-up-a-build-environment/111.html setting up a build environment] and building images for your Overo.
-The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or 2.6.32.
+The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or greater.
-The gumstix recipes for either of these kernels has a variable that allows you to specify how the OTG usb port is configured.
+The gumstix recipes for these kernels has a variable that allows you to specify how the OTG usb port is configured.
-Kernel version 2.6.31 is used for the example. Substitute 2.6.32 if that's the kernel you are using.
+You can check which kernel you'll be working with like this.
-−
-To get started, look at the recipe file ${OVEROTOP}/org.openembedded.dev/recipes/linux/linux-omap3_2.6.31.bb. You'll see a line
+ $ cd ${OVEROTOP}
   MUSB_MODE ?= "host"
@@ Line 37: / Line 43: @@
 Now rebuild your kernel.
-  cd ${OVEROTOP}
+  $ cd ${OVEROTOP}
-  bitbake -c clean linux-omap3-2.6.31
+  $ bitbake -c clean linux-omap3
-  bitbake -c rebuild linux-omap3-2.6.31
+  $ bitbake linux-omap3
 And then rebuild your rootfs since the drivers available in /lib/modules will have changed.
-  bitbake omap3-console-image
+  $ bitbake omap3-console-image
 Change omap3-console-image to whatever image you use.

← Older revision		Revision as of 18:07, 1 April 2010
Line 49:		Line 49:


		+	Install the new kernel and rootfs the way you normally would using either a
		+	[http://www.gumstix.net/Setup-and-Programming/view/Overo-Setup-and-Programming/Creating-a-bootable-microSD-card/111.html microSD card]
		+	or by copying to [http://www.gumstix.net/Setup-and-Programming/view/Overo-Setup-and-Programming/Writing-images-to-onboard-nand/111.html onboard nand].
		+
		+
	Once you have booted the new system, you still need to load the g_ether driver since it was built as a module.		Once you have booted the new system, you still need to load the g_ether driver since it was built as a module.

← Older revision		Revision as of 21:51, 17 February 2010
Line 1:		Line 1:
−	Note: if you have issues with USB not resuming properly after a suspend on Overo, please see [~~[this~~ http://old.nabble.com/Update-on-Overo-EHCI-issues-td27617583.html#a27617583]] forum post.	+	Note: if you have issues with USB not resuming properly after a suspend on Overo, please see [http://old.nabble.com/Update-on-Overo-EHCI-issues-td27617583.html#a27617583 this] forum post.
	==USBNet with Overo==		==USBNet with Overo==

← Older revision		Revision as of 21:50, 17 February 2010
Line 1:		Line 1:
		+	Note: if you have issues with USB not resuming properly after a suspend on Overo, please see [[this http://old.nabble.com/Update-on-Overo-EHCI-issues-td27617583.html#a27617583]] forum post.
	==USBNet with Overo==		==USBNet with Overo==

@@ Line 7: / Line 7: @@
 The following steps assume you are using a recent snapshot of the gumstix-oe git tree and are going to use kernel version 2.6.31 or 2.6.32.
-The gumstix-oe linux-omap3_2.6.xx recipes for either of these kernels has a variable that allows you to specify how you want the OTG usb port configured.
+The gumstix recipes for either of these kernels has a variable that allows you to specify how the OTG usb port is configured.
 Kernel version 2.6.31 is used for the example. Substitute 2.6.32 if that's the kernel you are using.
-To get started, first edit the recipe file ${OVEROTOP}/org.openembedded.dev/recipes/linux/linux-omap3_2.6.31.bb
+To get started, look at the recipe file ${OVEROTOP}/org.openembedded.dev/recipes/linux/linux-omap3_2.6.31.bb. You'll see a line
-−
-Change the line
   MUSB_MODE ?= "host"
-to
+There are three valid values for MUSB_MODE: "host", "peripheral" or "otg".
-  MUSB_MODE ?= "peripheral"
+  MUSB_MODE = "otg"
-or "otg".
+depending on your preference.
-Next rebuild your kernel.
+Now rebuild your kernel.
   cd ${OVEROTOP}
@@ Line 31: / Line 41: @@
-And then rebuild your rootfs.
+And then rebuild your rootfs since the drivers available in /lib/modules will have changed.
   bitbake omap3-console-image

@@ Line 59: / Line 59: @@
           collisions:0 txqueuelen:0
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
-−
   usb0    Link encap:Ethernet  HWaddr D6:2C:8F:D9:51:32
           BROADCAST MULTICAST  MTU:1500  Metric:1

@@ Line 5: / Line 5: @@
 The procedure for changing the configuration requires rebuilding your kernel, so you should first be comfortable with [http://www.gumstix.net/Setup-and-Programming/view/Overo-Setup-and-Programming/Setting-up-a-build-environment/111.html setting up a build environment] and building images for your Overo.
-The steps below assume a recent snapshot of the gumstix-oe git tree. Two recent changes in particular have simplified the process.
+The gumstix-oe linux-omap3_2.6.xx recipes for either of these kernels has a variable that allows you to specify how you want the OTG usb port configured.
-−
-. Kernel 2.6.31 is now the default
-−
-. The linux-omap3_2.6.31.bb recipe now has variable to setup the OTG port in the kernel config file.
 To get started, first edit the recipe file ${OVEROTOP}/org.openembedded.dev/recipes/linux/linux-omap3_2.6.31.bb