diff options
Diffstat (limited to 'src/southbridge/amd/amd8111/smbus.c')
-rw-r--r-- | src/southbridge/amd/amd8111/smbus.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/southbridge/amd/amd8111/smbus.c b/src/southbridge/amd/amd8111/smbus.c new file mode 100644 index 0000000000..0a0c58dce3 --- /dev/null +++ b/src/southbridge/amd/amd8111/smbus.c @@ -0,0 +1,41 @@ +/* + * (C) 2004 Linux Networx + */ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <device/pci_ops.h> +#include <device/smbus.h> +#include <arch/io.h> +#include "amd8111.h" + + +static void lpci_set_subsystem(device_t dev, unsigned vendor, unsigned device) +{ + pci_write_config32(dev, 0x44, + ((device & 0xffff) << 16) | (vendor & 0xffff)); +} + +static struct smbus_bus_operations lops_smbus_bus = { + /* I haven't seen the 2.0 SMBUS controller used yet. */ +}; +static struct pci_operations lops_pci = { + .set_subsystem = lpci_set_subsystem, +}; +static struct device_operations smbus_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = 0, + .scan_bus = scan_static_bus, + .enable = amd8111_enable, + .ops_pci = &lops_pci, + .ops_smbus_bus = &lops_smbus_bus, +}; + +static const struct pci_driver smbus_driver __pci_driver = { + .ops = &smbus_ops, + .vendor = PCI_VENDOR_ID_AMD, + .device = PCI_DEVICE_ID_AMD_8111_SMB, +}; |