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path: root/src/southbridge/intel/bd82x6x/pch.c
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Diffstat (limited to 'src/southbridge/intel/bd82x6x/pch.c')
-rw-r--r--src/southbridge/intel/bd82x6x/pch.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/src/southbridge/intel/bd82x6x/pch.c b/src/southbridge/intel/bd82x6x/pch.c
index 00d5e12408..7b0662b4fe 100644
--- a/src/southbridge/intel/bd82x6x/pch.c
+++ b/src/southbridge/intel/bd82x6x/pch.c
@@ -301,7 +301,6 @@ static void pch_pcie_devicetree_update(
static void pch_pcie_enable(struct device *dev)
{
struct southbridge_intel_bd82x6x_config *config = dev->chip_info;
- u16 reg16;
if (!config)
return;
@@ -345,9 +344,7 @@ static void pch_pcie_enable(struct device *dev)
/* Handle workaround for PPT and CPT/B1+ */
if (pch_silicon_supported(PCH_TYPE_CPT, PCH_STEP_B1) &&
!pch_pcie_check_set_enabled(dev)) {
- u8 reg8 = pci_read_config8(dev, 0xe2);
- reg8 |= 1;
- pci_write_config8(dev, 0xe2, reg8);
+ pci_or_config8(dev, 0xe2, 1);
}
/*
@@ -358,10 +355,8 @@ static void pch_pcie_enable(struct device *dev)
}
/* Ensure memory, io, and bus master are all disabled */
- reg16 = pci_read_config16(dev, PCI_COMMAND);
- reg16 &= ~(PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
- pci_write_config16(dev, PCI_COMMAND, reg16);
+ pci_and_config16(dev, PCI_COMMAND,
+ ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
/* Do not claim downstream transactions for PCIe ports */
new_rpfn |= RPFN_HIDE(PCI_FUNC(dev->path.pci.devfn));
@@ -408,8 +403,6 @@ static void pch_pcie_enable(struct device *dev)
void pch_enable(struct device *dev)
{
- u16 reg16;
-
/* PCH PCIe Root Ports get special handling */
if (PCI_SLOT(dev->path.pci.devfn) == PCH_PCIE_DEV_SLOT)
return pch_pcie_enable(dev);
@@ -418,10 +411,8 @@ void pch_enable(struct device *dev)
printk(BIOS_DEBUG, "%s: Disabling device\n", dev_path(dev));
/* Ensure memory, io, and bus master are all disabled */
- reg16 = pci_read_config16(dev, PCI_COMMAND);
- reg16 &= ~(PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
- pci_write_config16(dev, PCI_COMMAND, reg16);
+ pci_and_config16(dev, PCI_COMMAND,
+ ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO));
/* Hide this device if possible */
pch_hide_devfn(dev->path.pci.devfn);