1 /*
2  * cpcihp_zt5550.h
3  *
4  * Intel/Ziatech ZT5550 CompactPCI Host Controller driver definitions
5  *
6  * Copyright 2002 SOMA Networks, Inc.
7  * Copyright 2001 Intel San Luis Obispo
8  * Copyright 2000,2001 MontaVista Software Inc.
9  *
10  * This program is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU General Public License as published by the
12  * Free Software Foundation; either version 2 of the License, or (at your
13  * option) any later version.
14  *
15  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
22  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
23  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * You should have received a copy of the GNU General Public License along
27  * with this program; if not, write to the Free Software Foundation, Inc.,
28  * 675 Mass Ave, Cambridge, MA 02139, USA.
29  *
30  * Send feedback to <scottm@somanetworks.com>
31  */
32 
33 #ifndef _CPCIHP_ZT5550_H
34 #define _CPCIHP_ZT5550_H
35 
36 /* Direct registers */
37 #define CSR_HCINDEX		0x00
38 #define CSR_HCDATA		0x04
39 #define CSR_INTSTAT		0x08
40 #define CSR_INTMASK		0x09
41 #define CSR_CNT0CMD		0x0C
42 #define CSR_CNT1CMD		0x0E
43 #define CSR_CNT0		0x10
44 #define CSR_CNT1		0x14
45 
46 /* Masks for interrupt bits in CSR_INTMASK direct register */
47 #define CNT0_INT_MASK		0x01
48 #define CNT1_INT_MASK		0x02
49 #define ENUM_INT_MASK		0x04
50 #define ALL_DIRECT_INTS_MASK	0x07
51 
52 /* Indexed registers (through CSR_INDEX, CSR_DATA) */
53 #define HC_INT_MASK_REG		0x04
54 #define HC_STATUS_REG		0x08
55 #define HC_CMD_REG		0x0C
56 #define ARB_CONFIG_GNT_REG	0x10
57 #define ARB_CONFIG_CFG_REG	0x12
58 #define ARB_CONFIG_REG		0x10
59 #define ISOL_CONFIG_REG		0x18
60 #define FAULT_STATUS_REG	0x20
61 #define FAULT_CONFIG_REG	0x24
62 #define WD_CONFIG_REG		0x2C
63 #define HC_DIAG_REG		0x30
64 #define SERIAL_COMM_REG		0x34
65 #define SERIAL_OUT_REG		0x38
66 #define SERIAL_IN_REG		0x3C
67 
68 /* Masks for interrupt bits in HC_INT_MASK_REG indexed register */
69 #define SERIAL_INT_MASK		0x01
70 #define FAULT_INT_MASK		0x02
71 #define HCF_INT_MASK		0x04
72 #define ALL_INDEXED_INTS_MASK	0x07
73 
74 /* Digital I/O port storing ENUM# */
75 #define ENUM_PORT	0xE1
76 /* Mask to get to the ENUM# bit on the bus */
77 #define ENUM_MASK	0x40
78 
79 #endif				/* _CPCIHP_ZT5550_H */
80