coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
pci7420.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3  // 0844d060 (old)
4 #define SYSCTL 0x80 // 08405061
5 #define RIMUX (1 << 0)
6 
7 #define GENCTL 0x86
8 #define FW1394_PRIO (0 << 0)
9 #define CARDBUS_PRIO (1 << 0)
10 #define FLASH_PRIO (2 << 0)
11 #define ROUNDR_PRIO (3 << 0)
12 #define DISABLE_OHCI (1 << 3)
13 #define DISABLE_SKTB (1 << 4)
14 #define DISABLE_FM (1 << 5)
15 #define P12V_SW_SEL (1 << 10)
16 
17 #define MFUNC 0x8c
18 
19 #define CARDCTL 0x91
20 #define SPKROUTEN (1 << 1)
21 
22 #define DEVCTL 0x92
23 #define INT_MODE_PAR (0 << 1)
24 #define INT_MODE_RSV (1 << 1)
25 #define INT_MODE_MIX (2 << 1)
26 #define INT_MODE_SER (3 << 1)
27 
28 #define INTA 0
29 #define INTB 1
30 #define INTC 2
31 #define INTD 3