diff options
Diffstat (limited to 'src/soc/intel/xeon_sp/include')
| -rw-r--r-- | src/soc/intel/xeon_sp/include/soc/smbus.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/include/soc/smbus.h b/src/soc/intel/xeon_sp/include/soc/smbus.h new file mode 100644 index 0000000000..00aae2cbe8 --- /dev/null +++ b/src/soc/intel/xeon_sp/include/soc/smbus.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_SMBUS_H_ +#define _SOC_SMBUS_H_ + +/* TCO registers and fields live behind TCOBASE I/O bar in SMBus device. */ +#define TCO1_STS 0x04 +#define TCO_TIMEOUT (1 << 3) +#define TCO2_STS 0x06 +#define TCO_STS_SECOND_TO (1 << 1) +#define TCO_INTRD_DET (1 << 0) +#define TCO1_CNT 0x08 +#define TCO_LOCK (1 << 12) +#define TCO_TMR_HLT (1 << 11) +#define TCO2_CNT 0x0A +#define TCO_INTRD_SEL_MASK (3 << 1) +#define TCO_INTRD_SEL_SMI (1 << 2) +#define TCO_INTRD_SEL_INT (1 << 1) + +/* SMBus I/O bits. */ +#define SMBUS_SLAVE_ADDR 0x24 + +#endif |