| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef AMD_BLOCK_SMBUS_H |
| #define AMD_BLOCK_SMBUS_H |
| |
| /* SMBUS MMIO offsets 0xfed80a00 */ |
| #define SMBHSTSTAT 0x0 |
| #define SMBHST_STAT_FAILED (1 << 4) |
| #define SMBHST_STAT_COLLISION (1 << 3) |
| #define SMBHST_STAT_ERROR (1 << 2) |
| #define SMBHST_STAT_INTERRUPT (1 << 1) |
| #define SMBHST_STAT_BUSY (1 << 0) |
| #define SMBHST_STAT_CLEAR 0xff |
| #define SMBHST_STAT_VAL_BITS 0x1f |
| #define SMBHST_STAT_ERROR_BITS 0x1c |
| |
| #define SMBSLVSTAT 0x1 |
| #define SMBSLV_STAT_ALERT (1 << 5) |
| #define SMBSLV_STAT_SHADOW2 (1 << 4) |
| #define SMBSLV_STAT_SHADOW1 (1 << 3) |
| #define SMBSLV_STAT_SLV_STS (1 << 2) |
| #define SMBSLV_STAT_SLV_INIT (1 << 1) |
| #define SMBSLV_STAT_SLV_BUSY (1 << 0) |
| #define SMBSLV_STAT_CLEAR 0x1f |
| |
| #define SMBHSTCTRL 0x2 |
| #define SMBHST_CTRL_RST (1 << 7) |
| #define SMBHST_CTRL_STRT (1 << 6) |
| #define SMBHST_CTRL_QCK_RW (0x0 << 2) |
| #define SMBHST_CTRL_BTE_RW (0x1 << 2) |
| #define SMBHST_CTRL_BDT_RW (0x2 << 2) |
| #define SMBHST_CTRL_WDT_RW (0x3 << 2) |
| #define SMBHST_CTRL_BLK_RW (0x5 << 2) |
| #define SMBHST_CTRL_MODE_BITS (0x7 << 2) |
| #define SMBHST_CTRL_KILL (1 << 1) |
| #define SMBHST_CTRL_IEN (1 << 0) |
| |
| #define SMBHSTCMD 0x3 |
| #define SMBHSTADDR 0x4 |
| #define SMBHSTDAT0 0x5 |
| #define SMBHSTDAT1 0x6 |
| #define SMBHSTBLKDAT 0x7 |
| #define SMBSLVCTRL 0x8 |
| #define SMBSLVCMD_SHADOW 0x9 |
| #define SMBSLVEVT 0xa |
| #define SMBSLVDAT 0xc |
| #define SMBTIMING 0xe |
| |
| void fch_smbus_init(void); |
| |
| #endif /* AMD_BLOCK_SMBUS_H */ |