xref: /linux/drivers/pci/hotplug/cpcihp_zt5550.h (revision e9f0878c4b2004ac19581274c1ae4c61ae3ca70e)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * cpcihp_zt5550.h
4  *
5  * Intel/Ziatech ZT5550 CompactPCI Host Controller driver definitions
6  *
7  * Copyright 2002 SOMA Networks, Inc.
8  * Copyright 2001 Intel San Luis Obispo
9  * Copyright 2000,2001 MontaVista Software Inc.
10  *
11  * Send feedback to <scottm@somanetworks.com>
12  */
13 
14 #ifndef _CPCIHP_ZT5550_H
15 #define _CPCIHP_ZT5550_H
16 
17 /* Direct registers */
18 #define CSR_HCINDEX		0x00
19 #define CSR_HCDATA		0x04
20 #define CSR_INTSTAT		0x08
21 #define CSR_INTMASK		0x09
22 #define CSR_CNT0CMD		0x0C
23 #define CSR_CNT1CMD		0x0E
24 #define CSR_CNT0		0x10
25 #define CSR_CNT1		0x14
26 
27 /* Masks for interrupt bits in CSR_INTMASK direct register */
28 #define CNT0_INT_MASK		0x01
29 #define CNT1_INT_MASK		0x02
30 #define ENUM_INT_MASK		0x04
31 #define ALL_DIRECT_INTS_MASK	0x07
32 
33 /* Indexed registers (through CSR_INDEX, CSR_DATA) */
34 #define HC_INT_MASK_REG		0x04
35 #define HC_STATUS_REG		0x08
36 #define HC_CMD_REG		0x0C
37 #define ARB_CONFIG_GNT_REG	0x10
38 #define ARB_CONFIG_CFG_REG	0x12
39 #define ARB_CONFIG_REG		0x10
40 #define ISOL_CONFIG_REG		0x18
41 #define FAULT_STATUS_REG	0x20
42 #define FAULT_CONFIG_REG	0x24
43 #define WD_CONFIG_REG		0x2C
44 #define HC_DIAG_REG		0x30
45 #define SERIAL_COMM_REG		0x34
46 #define SERIAL_OUT_REG		0x38
47 #define SERIAL_IN_REG		0x3C
48 
49 /* Masks for interrupt bits in HC_INT_MASK_REG indexed register */
50 #define SERIAL_INT_MASK		0x01
51 #define FAULT_INT_MASK		0x02
52 #define HCF_INT_MASK		0x04
53 #define ALL_INDEXED_INTS_MASK	0x07
54 
55 /* Digital I/O port storing ENUM# */
56 #define ENUM_PORT	0xE1
57 /* Mask to get to the ENUM# bit on the bus */
58 #define ENUM_MASK	0x40
59 
60 #endif				/* _CPCIHP_ZT5550_H */
61