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| author | David Brownell <dbrownell@users.sourceforge.net> | 2008-05-27 19:24:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-07-21 15:15:58 -0700 |
| commit | bb24280ffce6a8bc6b03d29a43ec16ac14e9ec85 (patch) | |
| tree | c344f66890f16a386429b72245bb4443c5e94906 /drivers/usb | |
| parent | e184d5fcaac9676bd83a956a774a04a72bf2b28b (diff) | |
| download | linux-stable-bb24280ffce6a8bc6b03d29a43ec16ac14e9ec85.tar.gz linux-stable-bb24280ffce6a8bc6b03d29a43ec16ac14e9ec85.tar.bz2 linux-stable-bb24280ffce6a8bc6b03d29a43ec16ac14e9ec85.zip | |
USB: at91_udc: updated fifo sizes
It turns out newer versions of the AT91 UDC hardware have increased
sizes of some of the FIFOs. Reporting that is a Good Thing.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/at91_udc.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index b6b2a0a5ba37..e2d8a5d86c40 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1687,6 +1687,19 @@ static int __init at91udc_probe(struct platform_device *pdev) udc->board.pullup_active_low); } + /* newer chips have more FIFO memory than rm9200 */ + if (cpu_is_at91sam9260()) { + udc->ep[0].maxpacket = 64; + udc->ep[3].maxpacket = 64; + udc->ep[4].maxpacket = 512; + udc->ep[5].maxpacket = 512; + } else if (cpu_is_at91sam9261()) { + udc->ep[3].maxpacket = 64; + } else if (cpu_is_at91sam9263()) { + udc->ep[0].maxpacket = 64; + udc->ep[3].maxpacket = 64; + } + udc->udp_baseaddr = ioremap(res->start, res->end - res->start + 1); if (!udc->udp_baseaddr) { retval = -ENOMEM; |