From ca4ff25290c099152ee9b2b53df6eb0d71ef0823 Mon Sep 17 00:00:00 2001 From: Elyes HAOUAS Date: Tue, 28 Apr 2020 10:29:11 +0200 Subject: sb/intel/i82801jx: Fix 16-bit read/write PCI_COMMAND register Change-Id: If39cdfb21fec307141593f2482e014e146d4f1f2 Signed-off-by: Elyes HAOUAS Reviewed-on: https://review.coreboot.org/c/coreboot/+/40795 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/southbridge/intel/i82801jx/hdaudio.c | 3 +-- src/southbridge/intel/i82801jx/i82801jx.c | 6 +----- src/southbridge/intel/i82801jx/pcie.c | 4 +--- src/southbridge/intel/i82801jx/usb_ehci.c | 6 +----- 4 files changed, 4 insertions(+), 15 deletions(-) (limited to 'src') diff --git a/src/southbridge/intel/i82801jx/hdaudio.c b/src/southbridge/intel/i82801jx/hdaudio.c index 1711de9ae3..5da7ce547f 100644 --- a/src/southbridge/intel/i82801jx/hdaudio.c +++ b/src/southbridge/intel/i82801jx/hdaudio.c @@ -247,8 +247,7 @@ static void azalia_init(struct device *dev) 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/i82801jx/i82801jx.c b/src/southbridge/intel/i82801jx/i82801jx.c index e55735b4a1..f3c899cad5 100644 --- a/src/southbridge/intel/i82801jx/i82801jx.c +++ b/src/southbridge/intel/i82801jx/i82801jx.c @@ -13,12 +13,8 @@ typedef struct southbridge_intel_i82801jx_config config_t; static void i82801jx_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 i82801jx_early_settings(const config_t *const info) diff --git a/src/southbridge/intel/i82801jx/pcie.c b/src/southbridge/intel/i82801jx/pcie.c index dba1a6519e..df3140a543 100644 --- a/src/southbridge/intel/i82801jx/pcie.c +++ b/src/southbridge/intel/i82801jx/pcie.c @@ -20,9 +20,7 @@ static void pci_init(struct device *dev) printk(BIOS_DEBUG, "Initializing ICH10 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/i82801jx/usb_ehci.c b/src/southbridge/intel/i82801jx/usb_ehci.c index 03b314a10d..45737a535e 100644 --- a/src/southbridge/intel/i82801jx/usb_ehci.c +++ b/src/southbridge/intel/i82801jx/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"); } -- cgit v1.2.3