xref: /linux/drivers/edac/amd8111_edac.h (revision 93d90ad708b8da6efc0e487b66111aa9db7f70c7)
1 /*
2  * amd8111_edac.h, EDAC defs for AMD8111 hypertransport chip
3  *
4  * Copyright (c) 2008 Wind River Systems, Inc.
5  *
6  * Authors:	Cao Qingtao <qingtao.cao@windriver.com>
7  * 		Benjamin Walsh <benjamin.walsh@windriver.com>
8  * 		Hu Yongqi <yongqi.hu@windriver.com>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
17  * See the GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22  */
23 
24 #ifndef _AMD8111_EDAC_H_
25 #define _AMD8111_EDAC_H_
26 
27 /************************************************************
28  *	PCI Bridge Status and Command Register, DevA:0x04
29  ************************************************************/
30 #define REG_PCI_STSCMD	0x04
31 enum pci_stscmd_bits {
32 	PCI_STSCMD_SSE		= BIT(30),
33 	PCI_STSCMD_RMA		= BIT(29),
34 	PCI_STSCMD_RTA		= BIT(28),
35 	PCI_STSCMD_SERREN	= BIT(8),
36 	PCI_STSCMD_CLEAR_MASK	= (PCI_STSCMD_SSE |
37 				   PCI_STSCMD_RMA |
38 				   PCI_STSCMD_RTA)
39 };
40 
41 /************************************************************
42  *	PCI Bridge Memory Base-Limit Register, DevA:0x1c
43  ************************************************************/
44 #define REG_MEM_LIM     0x1c
45 enum mem_limit_bits {
46 	MEM_LIMIT_DPE   = BIT(31),
47 	MEM_LIMIT_RSE   = BIT(30),
48 	MEM_LIMIT_RMA   = BIT(29),
49 	MEM_LIMIT_RTA   = BIT(28),
50 	MEM_LIMIT_STA   = BIT(27),
51 	MEM_LIMIT_MDPE  = BIT(24),
52 	MEM_LIMIT_CLEAR_MASK  = (MEM_LIMIT_DPE |
53 				 MEM_LIMIT_RSE |
54 				 MEM_LIMIT_RMA |
55 				 MEM_LIMIT_RTA |
56 				 MEM_LIMIT_STA |
57 				 MEM_LIMIT_MDPE)
58 };
59 
60 /************************************************************
61  *	HyperTransport Link Control Register, DevA:0xc4
62  ************************************************************/
63 #define REG_HT_LINK	0xc4
64 enum ht_link_bits {
65 	HT_LINK_LKFAIL	= BIT(4),
66 	HT_LINK_CRCFEN	= BIT(1),
67 	HT_LINK_CLEAR_MASK = (HT_LINK_LKFAIL)
68 };
69 
70 /************************************************************
71  *	PCI Bridge Interrupt and Bridge Control, DevA:0x3c
72  ************************************************************/
73 #define REG_PCI_INTBRG_CTRL	0x3c
74 enum pci_intbrg_ctrl_bits {
75 	PCI_INTBRG_CTRL_DTSERREN	= BIT(27),
76 	PCI_INTBRG_CTRL_DTSTAT		= BIT(26),
77 	PCI_INTBRG_CTRL_MARSP		= BIT(21),
78 	PCI_INTBRG_CTRL_SERREN		= BIT(17),
79 	PCI_INTBRG_CTRL_PEREN		= BIT(16),
80 	PCI_INTBRG_CTRL_CLEAR_MASK	= (PCI_INTBRG_CTRL_DTSTAT),
81 	PCI_INTBRG_CTRL_POLL_MASK	= (PCI_INTBRG_CTRL_DTSERREN |
82 					   PCI_INTBRG_CTRL_MARSP |
83 					   PCI_INTBRG_CTRL_SERREN)
84 };
85 
86 /************************************************************
87  *		I/O Control 1 Register, DevB:0x40
88  ************************************************************/
89 #define REG_IO_CTRL_1 0x40
90 enum io_ctrl_1_bits {
91 	IO_CTRL_1_NMIONERR	= BIT(7),
92 	IO_CTRL_1_LPC_ERR	= BIT(6),
93 	IO_CTRL_1_PW2LPC	= BIT(1),
94 	IO_CTRL_1_CLEAR_MASK	= (IO_CTRL_1_LPC_ERR | IO_CTRL_1_PW2LPC)
95 };
96 
97 /************************************************************
98  *		Legacy I/O Space Registers
99  ************************************************************/
100 #define REG_AT_COMPAT 0x61
101 enum at_compat_bits {
102 	AT_COMPAT_SERR		= BIT(7),
103 	AT_COMPAT_IOCHK		= BIT(6),
104 	AT_COMPAT_CLRIOCHK	= BIT(3),
105 	AT_COMPAT_CLRSERR	= BIT(2),
106 };
107 
108 struct amd8111_dev_info {
109 	u16 err_dev;	/* PCI Device ID */
110 	struct pci_dev *dev;
111 	int edac_idx;	/* device index */
112 	char *ctl_name;
113 	struct edac_device_ctl_info *edac_dev;
114 	void (*init)(struct amd8111_dev_info *dev_info);
115 	void (*exit)(struct amd8111_dev_info *dev_info);
116 	void (*check)(struct edac_device_ctl_info *edac_dev);
117 };
118 
119 struct amd8111_pci_info {
120 	u16 err_dev;	/* PCI Device ID */
121 	struct pci_dev *dev;
122 	int edac_idx;	/* pci index */
123 	const char *ctl_name;
124 	struct edac_pci_ctl_info *edac_dev;
125 	void (*init)(struct amd8111_pci_info *dev_info);
126 	void (*exit)(struct amd8111_pci_info *dev_info);
127 	void (*check)(struct edac_pci_ctl_info *edac_dev);
128 };
129 
130 #endif /* _AMD8111_EDAC_H_ */
131