sb/intel/i82801ix: Fix 16-bit read/write PCI_COMMAND register
Change-Id: I5a07a00e1183ef834d97c11268935617cfe17faa
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40794
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/southbridge/intel/i82801ix/hdaudio.c b/src/southbridge/intel/i82801ix/hdaudio.c
index e5b7906..434d0aa 100644
--- a/src/southbridge/intel/i82801ix/hdaudio.c
+++ b/src/southbridge/intel/i82801ix/hdaudio.c
@@ -247,8 +247,7 @@
pci_write_config32(dev, 0x120, reg32);
/* Set Bus Master */
- reg32 = pci_read_config32(dev, PCI_COMMAND);
- pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
+ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
reg8 = pci_read_config8(dev, 0x4d); // Docking Status
reg8 &= ~(1 << 7); // Docking not supported
diff --git a/src/southbridge/intel/i82801ix/i82801ix.c b/src/southbridge/intel/i82801ix/i82801ix.c
index f26d584..b76116d 100644
--- a/src/southbridge/intel/i82801ix/i82801ix.c
+++ b/src/southbridge/intel/i82801ix/i82801ix.c
@@ -13,12 +13,8 @@
static void i82801ix_enable_device(struct device *dev)
{
- u32 reg32;
-
/* Enable SERR */
- reg32 = pci_read_config32(dev, PCI_COMMAND);
- reg32 |= PCI_COMMAND_SERR;
- pci_write_config32(dev, PCI_COMMAND, reg32);
+ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_SERR);
}
static void i82801ix_early_settings(const config_t *const info)
diff --git a/src/southbridge/intel/i82801ix/pcie.c b/src/southbridge/intel/i82801ix/pcie.c
index d170f0d..5471e69 100644
--- a/src/southbridge/intel/i82801ix/pcie.c
+++ b/src/southbridge/intel/i82801ix/pcie.c
@@ -20,9 +20,7 @@
printk(BIOS_DEBUG, "Initializing ICH9 PCIe root port.\n");
/* Enable Bus Master */
- reg32 = pci_read_config32(dev, PCI_COMMAND);
- reg32 |= PCI_COMMAND_MASTER;
- pci_write_config32(dev, PCI_COMMAND, reg32);
+ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
/* Set Cache Line Size to 0x10 */
// This has no effect but the OS might expect it
diff --git a/src/southbridge/intel/i82801ix/usb_ehci.c b/src/southbridge/intel/i82801ix/usb_ehci.c
index 3ccffd8..9759186 100644
--- a/src/southbridge/intel/i82801ix/usb_ehci.c
+++ b/src/southbridge/intel/i82801ix/usb_ehci.c
@@ -11,12 +11,8 @@
static void usb_ehci_init(struct device *dev)
{
- u32 reg32;
-
printk(BIOS_DEBUG, "EHCI: Setting up controller.. ");
- reg32 = pci_read_config32(dev, PCI_COMMAND);
- reg32 |= PCI_COMMAND_MASTER;
- pci_write_config32(dev, PCI_COMMAND, reg32);
+ pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
printk(BIOS_DEBUG, "done.\n");
}