diff options
| author | Sergei Poselenov <sposelenov@emcraft.com> | 2008-05-27 11:35:02 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-05-27 12:53:34 +0200 |
| commit | 5a904e5637cff1d708dc67098004f83ba9e84c54 (patch) | |
| tree | 2f7d84a22386ddbfafc6c3fbb454d1a6129316d5 | |
| parent | 2f7468aeba60e1288030a8d007c4e63bd3f13221 (diff) | |
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>
| -rw-r--r-- | doc/README.generic_usb_ohci | 6 | ||||
| -rw-r--r-- | drivers/usb/usb_ohci.c | 5 |
2 files changed, 10 insertions, 1 deletions
diff --git a/doc/README.generic_usb_ohci b/doc/README.generic_usb_ohci index c44c501474..147ea514ae 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: diff --git a/drivers/usb/usb_ohci.c b/drivers/usb/usb_ohci.c index ee0f2e45b1..318478afa4 100644 --- a/drivers/usb/usb_ohci.c +++ b/drivers/usb/usb_ohci.c @@ -53,6 +53,9 @@ #if defined(CONFIG_PCI_OHCI) # include <pci.h> +#if !defined(CONFIG_PCI_OHCI_DEVNO) +#define CONFIG_PCI_OHCI_DEVNO 0 +#endif #endif #include <malloc.h> @@ -1818,7 +1821,7 @@ int usb_lowlevel_init(void) gohci.sleeping = 0; gohci.irq = -1; #ifdef CONFIG_PCI_OHCI - pdev = pci_find_devices(ohci_pci_ids, 0); + pdev = pci_find_devices(ohci_pci_ids, CONFIG_PCI_OHCI_DEVNO); if (pdev != -1) { u16 vid, did; |