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authorAngel Pons <th3fanbus@gmail.com>2020-06-07 22:09:01 +0200
committerPatrick Georgi <pgeorgi@google.com>2020-06-10 18:48:32 +0000
commitc803f65206188ca74526054c54bce4f405a55850 (patch)
tree9ce8dd5df1ac5e56912bb0f72c19274bfcfd0acb /src/southbridge/intel/bd82x6x/usb_xhci.c
parent7333ea91eae33a874cf5187bc04906f6d2f1e3bf (diff)
sb/intel/bd82x6x: Use PCI bitwise ops
Some cases could not be factored out while keeping reproducibility. Also mark some potential bugs with a FIXME comment, since fixing them while also keeping the binary unchanged is pretty much impossible. Tested with BUILD_TIMELESS=1, Asus P8Z77-V LX2 does not change. Change-Id: Iafe62d952a146bf53a28a1a83b87a3ae31f46720 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/42152 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Diffstat (limited to 'src/southbridge/intel/bd82x6x/usb_xhci.c')
-rw-r--r--src/southbridge/intel/bd82x6x/usb_xhci.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/southbridge/intel/bd82x6x/usb_xhci.c b/src/southbridge/intel/bd82x6x/usb_xhci.c
index 5a5b418b43..8bd0641d9f 100644
--- a/src/southbridge/intel/bd82x6x/usb_xhci.c
+++ b/src/southbridge/intel/bd82x6x/usb_xhci.c
@@ -20,9 +20,7 @@ static void usb_xhci_init(struct device *dev)
pci_write_config32(dev, XOCM, config->xhci_overcurrent_mapping);
/* lock overcurrent map */
- reg32 = pci_read_config32(dev, 0x44);
- reg32 |= 1;
- pci_write_config32(dev, 0x44, reg32);
+ pci_or_config32(dev, 0x44, 1);
pci_write_config32(dev, XUSB2PRM, config->xhci_switchable_ports);
pci_write_config32(dev, USB3PRM, config->superspeed_capable_ports);