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authorSergei Poselenov <sposelenov@emcraft.com>2008-05-27 11:35:02 +0200
committerWolfgang Denk <wd@denx.de>2008-05-27 12:53:34 +0200
commit5a904e5637cff1d708dc67098004f83ba9e84c54 (patch)
tree2f7d84a22386ddbfafc6c3fbb454d1a6129316d5 /doc/README.generic_usb_ohci
parent2f7468aeba60e1288030a8d007c4e63bd3f13221 (diff)
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USB: add new configuration variable CONFIG_PCI_OHCI_DEVNO
In case of several PCI USB controllers on a board this variable specifys which controller to use. See doc/README.generic_usb_ohci for details. Signed-off-by: Sergei Poselenov <sposelenov@emcraft.com>
Diffstat (limited to 'doc/README.generic_usb_ohci')
-rw-r--r--doc/README.generic_usb_ohci6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci
index c44c501..147ea51 100644
--- a/doc/README.generic_usb_ohci
+++ b/doc/README.generic_usb_ohci
@@ -51,6 +51,12 @@ You'll need to define
CONFIG_PCI_OHCI
+If you have several USB PCI controllers, define
+
+ CONFIG_PCI_OHCI_DEVNO: number of the OHCI device in PCI list
+
+If undefined, the first instance found in PCI space will be used.
+
PCI Controllers need to do byte swapping on register accesses, so they
should to define: