diff options
| author | Elyes HAOUAS <ehaouas@noos.fr> | 2020-04-28 19:59:30 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-05-26 15:11:47 +0000 |
| commit | 2f2191a3d0876fb90ab0c5f09e1c802b0a89b83e (patch) | |
| tree | d6223becffbc16b567b319c1af84c01e00423420 /src/southbridge/intel/i82801dx | |
| parent | 5ac723e5a4a22bc9a08098cd59de5026b18d362d (diff) | |
sb/intel/i82801dx: Fix 16-bit read/write PCI_COMMAND register
Change-Id: Ie27054ded47b91a27036b5b4a21ab69b387239dc
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40810
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'src/southbridge/intel/i82801dx')
| -rw-r--r-- | src/southbridge/intel/i82801dx/smihandler.c | 8 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801dx/usb.c | 5 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801dx/usb2.c | 5 |
3 files changed, 6 insertions, 12 deletions
diff --git a/src/southbridge/intel/i82801dx/smihandler.c b/src/southbridge/intel/i82801dx/smihandler.c index 4c5adeb79d..9f9f2f36dc 100644 --- a/src/southbridge/intel/i82801dx/smihandler.c +++ b/src/southbridge/intel/i82801dx/smihandler.c @@ -226,7 +226,7 @@ static void busmaster_disable_on_bus(int bus) for (slot = 0; slot < 0x20; slot++) { for (func = 0; func < 8; func++) { - u32 reg32; + u16 reg16; pci_devfn_t dev = PCI_DEV(bus, slot, func); val = pci_read_config32(dev, PCI_VENDOR_ID); @@ -236,9 +236,9 @@ static void busmaster_disable_on_bus(int bus) continue; /* Disable Bus Mastering for this one device */ - reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 &= ~PCI_COMMAND_MASTER; - pci_write_config32(dev, PCI_COMMAND, reg32); + reg16 = pci_read_config16(dev, PCI_COMMAND); + reg16 &= ~PCI_COMMAND_MASTER; + pci_write_config16(dev, PCI_COMMAND, reg16); /* If this is a bridge, then follow it. */ hdr = pci_read_config8(dev, PCI_HEADER_TYPE); diff --git a/src/southbridge/intel/i82801dx/usb.c b/src/southbridge/intel/i82801dx/usb.c index 696b55977a..2abfa8a34f 100644 --- a/src/southbridge/intel/i82801dx/usb.c +++ b/src/southbridge/intel/i82801dx/usb.c @@ -9,11 +9,8 @@ static void usb_init(struct device *dev) { - u32 cmd; printk(BIOS_DEBUG, "USB: Setting up controller.. "); - cmd = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, - cmd | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE); printk(BIOS_DEBUG, "done.\n"); } diff --git a/src/southbridge/intel/i82801dx/usb2.c b/src/southbridge/intel/i82801dx/usb2.c index de30216ed1..e333bb613f 100644 --- a/src/southbridge/intel/i82801dx/usb2.c +++ b/src/southbridge/intel/i82801dx/usb2.c @@ -10,11 +10,8 @@ static void usb2_init(struct device *dev) { - u32 cmd; printk(BIOS_DEBUG, "USB: Setting up controller.. "); - cmd = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, - cmd | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | + pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE); printk(BIOS_DEBUG, "done.\n"); } |