diff options
Diffstat (limited to 'src/soc/intel/common/block/include/intelblocks/tco.h')
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/tco.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/include/intelblocks/tco.h b/src/soc/intel/common/block/include/intelblocks/tco.h new file mode 100644 index 0000000000..86fa33b61a --- /dev/null +++ b/src/soc/intel/common/block/include/intelblocks/tco.h @@ -0,0 +1,36 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017-2018 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef SOC_INTEL_COMMON_BLOCK_TCO_H +#define SOC_INTEL_COMMON_BLOCK_TCO_H + +#include <stdint.h> + +/* + * Enable TCO BAR using SMBUS TCO base to access TCO related register + * also disable the timer. + */ +void tco_configure(void); +/* Lockdown TCO registers before booting to OS */ +void tco_lockdown(void); +/* + * Resets the tco status registers. This function clears the tco_sts register + * and returns the status bits set. + */ +uint32_t tco_reset_status(void); +uint16_t tco_read_reg(uint16_t tco_reg); +void tco_write_reg(uint16_t tco_reg, uint16_t value); + +#endif /* SOC_INTEL_COMMON_BLOCK_TCO_H */ |