diff options
Diffstat (limited to 'src/southbridge/intel/common/early_smbus.h')
-rw-r--r-- | src/southbridge/intel/common/early_smbus.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/early_smbus.h b/src/southbridge/intel/common/early_smbus.h new file mode 100644 index 0000000000..d6a7cbbcce --- /dev/null +++ b/src/southbridge/intel/common/early_smbus.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H +#define SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H + +#include <device/pci_def.h> + +#define PCI_DEV_SMBUS PCI_DEV(0, 0x1f, 3) + +#define SMB_BASE PCI_BASE_ADDRESS_4 +#define HOSTC 0x40 + +/* HOSTC bits */ +#define I2C_EN (1 << 2) +#define SMB_SMI_EN (1 << 1) +#define HST_EN (1 << 0) + +#endif /* SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H */ |