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USB: at91_udc: updated fifo sizes

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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>
This commit is contained in:
David Brownell 2008-05-27 19:24:20 -07:00 committed by Greg Kroah-Hartman
parent e184d5fcaa
commit bb24280ffc
1 changed files with 13 additions and 0 deletions
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13
drivers/usb/gadget/at91_udc.c
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@ -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;