diff options
Diffstat (limited to 'src/southbridge/intel/i82801cx/i82801cx.c')
-rw-r--r-- | src/southbridge/intel/i82801cx/i82801cx.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/southbridge/intel/i82801cx/i82801cx.c b/src/southbridge/intel/i82801cx/i82801cx.c deleted file mode 100644 index 685c931fc8..0000000000 --- a/src/southbridge/intel/i82801cx/i82801cx.c +++ /dev/null @@ -1,53 +0,0 @@ -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <assert.h> -#include "i82801cx.h" - -void i82801cx_enable(device_t dev) -{ - unsigned int index = 0; - uint8_t bHasDisableBit = 0; - uint16_t cur_disable_mask, new_disable_mask; - -// all 82801ca devices are in bus 0 - unsigned int devfn = PCI_DEVFN(0x1f, 0); // lpc - device_t lpc_dev = dev_find_slot(0, devfn); // 0 - if (!lpc_dev) - return; - - // Calculate disable bit position for specified device:function - // NOTE: For ICH-3, only the following devices can be disabled: - // D31:F1, D31:F3, D31:F5, D31:F6, - // D29:F0, D29:F1, D29:F2 - - if (PCI_SLOT(dev->path.pci.devfn) == 31) { - index = PCI_FUNC(dev->path.pci.devfn); - - if ((index == 1) || (index == 3) || (index == 5) || (index == 6)) - bHasDisableBit = 1; - - } else if (PCI_SLOT(dev->path.pci.devfn) == 29) { - index = 8 + PCI_FUNC(dev->path.pci.devfn); - - if (PCI_FUNC(dev->path.pci.devfn) < 3) - bHasDisableBit = 1; - } - - if (bHasDisableBit) { - cur_disable_mask = pci_read_config16(lpc_dev, FUNC_DIS); - new_disable_mask = cur_disable_mask & ~(1<<index); // enable it - if (!dev->enabled) { - new_disable_mask |= (1<<index); // disable it - } - if (new_disable_mask != cur_disable_mask) { - pci_write_config16(lpc_dev, FUNC_DIS, new_disable_mask); - } - } -} - -struct chip_operations southbridge_intel_i82801cx_ops = { - CHIP_NAME("Intel ICH3 (82801Cx) Series Southbridge") - .enable_dev = i82801cx_enable, -}; |