coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
gl9755.h
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #ifndef DRIVERS_GENESYSLOGIC_GL9755_H
4 #define DRIVERS_GENESYSLOGIC_GL9755_H
5 
6 /* Definitions for Genesys Logic GL9755 */
7 
8 #define CFG 0x800
9 #define CFG_EN 0x1
10 #define CFG2 0x48
11 #define CFG2_LAT_L1_MASK ((0x7 << 12) | (0x7 << 3))
12 #define CFG2_LAT_L1_64US ((0x6 << 12) | (0x6 << 3))
13 #define CFG2_L0S_SUPPORT (0x1 << 6)
14 #define LTR 0x5C
15 #define SNOOP_VALUE 0x25
16 #define SNOOP_SCALE (0x3 << 10)
17 #define NO_SNOOP_VALUE (0x25 << 16)
18 #define NO_SNOOP_SCALE (0x3 << 26)
19 #define CFG3 0x70
20 #define SCP_DEBUG (0x1 << 19)
21 
22 #endif /* DRIVERS_GENESYSLOGIC_GL9755_H */