coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
lpc_def.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 
3 #ifndef _SOC_COMMON_BLOCK_LPC_DEF_H_
4 #define _SOC_COMMON_BLOCK_LPC_DEF_H_
5 
6 #define LPC_SERIRQ_CTL 0x64
7 #define LPC_SCNT_EN (1 << 7)
8 #define LPC_SCNT_MODE (1 << 6)
9 #define LPC_IO_DECODE 0x80
10 #define LPC_IOD_COMA_RANGE_MASK (7 << 0)
11 #define LPC_IOD_COMB_RANGE_MASK (7 << 4)
12 #define LPC_IOD_COMA_RANGE (0 << 0) /* 0x3F8 - 0x3FF COMA */
13 #define LPC_IOD_COMB_RANGE (1 << 4) /* 0x2F8 - 0x2FF COMB */
14 /* Use IO_<peripheral>_<IO port> style macros defined in lpc_lib.h
15  * to enable decoding of I/O locations for a peripheral. */
16 #define LPC_IO_ENABLES 0x82
17 #define LPC_GENERIC_IO_RANGE(n) ((((n) & 0x3) * 4) + 0x84)
18 #define LPC_LGIR_AMASK_MASK (0xfc << 16)
19 #define LPC_LGIR_ADDR_MASK 0xfffc
20 #define LPC_LGIR_EN (1 << 0)
21 #define LPC_LGIR_MAX_WINDOW_SIZE 256
22 #define LPC_GENERIC_MEM_RANGE 0x98
23 #define LPC_LGMR_ADDR_MASK 0xffff0000
24 #define LPC_LGMR_EN (1 << 0)
25 #define LPC_LGMR_WINDOW_SIZE (64 * KiB)
26 #define LPC_BIOS_CNTL 0xdc
27 #define LPC_BC_BILD (1 << 7) /* BILD */
28 #define LPC_BC_LE (1 << 1) /* LE */
29 #define LPC_BC_WPD (1 << 0) /* WPD */
30 #define LPC_BC_EISS (1 << 5) /* EISS */
31 #define LPC_PCCTL 0xE0 /* PCI Clock Control */
32 #define LPC_PCCTL_CLKRUN_EN (1 << 0)
33 
34 #endif /* _SOC_COMMON_BLOCK_LPC_DEF_H_ */