coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
tcss.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #ifndef _SOC_TCSS_H_
4 #define _SOC_TCSS_H_
5 
6 /* Thunderbolt firmware IMR status */
7 #define IOM_CSME_IMR_TBT_STATUS 0x14
8 #define TBT_VALID_AUTHENTICATION (1 << 30)
9 
10 /* IOM aux bias control registers in REGBAR MMIO space */
11 #define IOM_AUX_BIAS_CTRL_PULLUP_OFFSET_0 0x1070
12 #define IOM_AUX_BIAS_CTRL_PULLUP_OFFSET(x) (IOM_AUX_BIAS_CTRL_PULLUP_OFFSET_0 + (x) * 4)
13 #define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 0x1088
14 #define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET(x) (IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 + (x) * 4)
15 
16 #endif /* _SOC_TCSS_H_ */