diff options
| author | Angel Pons <th3fanbus@gmail.com> | 2020-06-08 12:32:54 +0200 |
|---|---|---|
| committer | Angel Pons <th3fanbus@gmail.com> | 2020-08-04 21:33:35 +0000 |
| commit | d19332ca3a68eeadcae73d5660834bcaadf02030 (patch) | |
| tree | a9d216831bbb150523db9bf803b4aa9afc7ad67f /src/southbridge/intel/i82801gx/pci.c | |
| parent | 302a1437cd4393961cc8cca02fb56e64a9a73043 (diff) | |
| download | coreboot-d19332ca3a68eeadcae73d5660834bcaadf02030.tar.xz | |
sb/intel/i82801gx: Use PCI bitwise ops
While we are at it, also reflow a few lines that fit in 96 characters.
Tested with BUILD_TIMELESS=1, Getac P470 does not change.
Change-Id: I2cc3e71723e9b6898e6ec29f0f38b1b3b7446f09
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42191
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/southbridge/intel/i82801gx/pci.c')
| -rw-r--r-- | src/southbridge/intel/i82801gx/pci.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/src/southbridge/intel/i82801gx/pci.c b/src/southbridge/intel/i82801gx/pci.c index 74724383a2..d72bd81ebb 100644 --- a/src/southbridge/intel/i82801gx/pci.c +++ b/src/southbridge/intel/i82801gx/pci.c @@ -10,29 +10,21 @@ static void pci_init(struct device *dev) { u16 reg16; - u8 reg8; /* Enable Bus Master */ - reg16 = pci_read_config16(dev, PCI_COMMAND); - reg16 |= PCI_COMMAND_MASTER; - pci_write_config16(dev, PCI_COMMAND, reg16); + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER); /* This device has no interrupt */ pci_write_config8(dev, INTR, 0xff); - /* disable parity error response and SERR */ - reg16 = pci_read_config16(dev, PCI_BRIDGE_CONTROL); - reg16 &= ~PCI_BRIDGE_CTL_PARITY; - reg16 &= ~PCI_BRIDGE_CTL_SERR; - pci_write_config16(dev, PCI_BRIDGE_CONTROL, reg16); + /* Disable parity error response and SERR */ + pci_and_config16(dev, PCI_BRIDGE_CONTROL, + ~(PCI_BRIDGE_CTL_PARITY | PCI_BRIDGE_CTL_SERR)); /* Master Latency Count must be set to 0x04! */ - reg8 = pci_read_config8(dev, SMLT); - reg8 &= 0x07; - reg8 |= (0x04 << 3); - pci_write_config8(dev, SMLT, reg8); + pci_update_config8(dev, SMLT, 0x07, 0x04 << 3); - /* Clear errors in status registers */ + /* Clear errors in status registers. FIXME: Do something? */ reg16 = pci_read_config16(dev, PSTS); //reg16 |= 0xf900; pci_write_config16(dev, PSTS, reg16); |