coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
p2sb.h
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 /*
4  * This file is created based on Intel Alder Lake Processor PCH Datasheet
5  * Document number: 621483
6  * Chapter number: 3
7  */
8 
9 #ifndef _SOC_ALDERLAKE_P2SB_H_
10 #define _SOC_ALDERLAKE_P2SB_H_
11 
12 #define HPTC_OFFSET 0x60
13 #define HPTC_ADDR_ENABLE_BIT (1 << 7)
14 
15 #define PCH_P2SB_EPMASK0 0x220
16 
17 #endif