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The AMD CS5536's USB controllers are located at device 0F, functions 4

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and 5.  They're not found if only function 0 is checked.  So if a device
exists at all, try all its functions.  usb_controller_initialize() will
silently skip all device classes != 0C03.

(changed to continue to use 32bit accesses -pg)

Signed-off-by: Jens Rottmann <JRottmann@LiPPERTEmbedded.de>
Acked-by: Patrick Georgi <patrick.georgi@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5774 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Jens Rottmann
2010-09-03 14:54:50 +00:00
committed by Patrick Georgi
parent 3cf287dab0
commit 4e1ac83bb6
1 changed files with 1 additions and 1 deletions
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2
payloads/libpayload/drivers/usb/usbinit.c
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@@ -126,7 +126,7 @@ usb_initialize (void)
*/ */
for (bus = 0; bus < 256; bus++) for (bus = 0; bus < 256; bus++)
for (dev = 0; dev < 32; dev++) for (dev = 0; dev < 32; dev++)
if (pci_read_config32 (PCI_DEV(bus, dev, 0), 8) >> 16 == 0x0c03) if (pci_read_config32 (PCI_DEV(bus, dev, 0), 8) >> 16 != 0xffff)
for (func = 7; func >= 0 ; func--) for (func = 7; func >= 0 ; func--)
usb_controller_initialize (bus, dev, func); usb_controller_initialize (bus, dev, func);
usb_poll(); usb_poll();