1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * Intel/Ziatech ZT5550 CompactPCI Host Controller driver definitions
7 * Copyright 2002 SOMA Networks, Inc.
8 * Copyright 2001 Intel San Luis Obispo
9 * Copyright 2000,2001 MontaVista Software Inc.
11 * Send feedback to <scottm@somanetworks.com>
14 #ifndef _CPCIHP_ZT5550_H
15 #define _CPCIHP_ZT5550_H
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
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
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
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
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
60 #endif /* _CPCIHP_ZT5550_H */