| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #ifndef _INTELPCH_SMBUS_H_ |
| #define _INTELPCH_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) |
| |
| /* |
| * Default slave address value for PCH. This value is set to match default |
| * value set by hardware. It is useful since PCH is able to respond even |
| * before CPU is up. This is reset by RSMRST# but not by PLTRST#. |
| */ |
| #define SMBUS_SLAVE_ADDR 0x44 |
| |
| #endif |