coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
systemagent.h
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef SOC_ICELAKE_SYSTEMAGENT_H
4 #define SOC_ICELAKE_SYSTEMAGENT_H
5 
7 
8 /* Device 0:0.0 PCI configuration space */
9 
10 #define EPBAR 0x40
11 #define DMIBAR 0x68
12 #define CAPID0_A 0xe4
13 
14 #define BIOS_RESET_CPL 0x5da8
15 #define EDRAMBAR 0x5408
16 #define REGBAR 0x5420
17 
18 #define MCH_PKG_POWER_LIMIT_LO 0x59a0
19 #define MCH_PKG_POWER_LIMIT_HI 0x59a4
20 #define MCH_DDR_POWER_LIMIT_LO 0x58e0
21 #define MCH_DDR_POWER_LIMIT_HI 0x58e4
22 
23 #define IMRBASE 0x6A40
24 #define IMRLIMIT 0x6A48
25 
26 #endif