xref: /linux/drivers/edac/altera_edac.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  *
3  * Copyright (C) 2015 Altera Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program.  If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef _ALTERA_EDAC_H
19 #define _ALTERA_EDAC_H
20 
21 #include <linux/edac.h>
22 #include <linux/types.h>
23 
24 /* SDRAM Controller CtrlCfg Register */
25 #define CV_CTLCFG_OFST             0x00
26 
27 /* SDRAM Controller CtrlCfg Register Bit Masks */
28 #define CV_CTLCFG_ECC_EN           0x400
29 #define CV_CTLCFG_ECC_CORR_EN      0x800
30 #define CV_CTLCFG_GEN_SB_ERR       0x2000
31 #define CV_CTLCFG_GEN_DB_ERR       0x4000
32 
33 #define CV_CTLCFG_ECC_AUTO_EN     (CV_CTLCFG_ECC_EN | \
34 				   CV_CTLCFG_ECC_CORR_EN)
35 
36 /* SDRAM Controller Address Width Register */
37 #define CV_DRAMADDRW_OFST          0x2C
38 
39 /* SDRAM Controller Address Widths Field Register */
40 #define DRAMADDRW_COLBIT_MASK      0x001F
41 #define DRAMADDRW_COLBIT_SHIFT     0
42 #define DRAMADDRW_ROWBIT_MASK      0x03E0
43 #define DRAMADDRW_ROWBIT_SHIFT     5
44 #define CV_DRAMADDRW_BANKBIT_MASK  0x1C00
45 #define CV_DRAMADDRW_BANKBIT_SHIFT 10
46 #define CV_DRAMADDRW_CSBIT_MASK    0xE000
47 #define CV_DRAMADDRW_CSBIT_SHIFT   13
48 
49 /* SDRAM Controller Interface Data Width Register */
50 #define CV_DRAMIFWIDTH_OFST        0x30
51 
52 /* SDRAM Controller Interface Data Width Defines */
53 #define CV_DRAMIFWIDTH_16B_ECC     24
54 #define CV_DRAMIFWIDTH_32B_ECC     40
55 
56 /* SDRAM Controller DRAM Status Register */
57 #define CV_DRAMSTS_OFST            0x38
58 
59 /* SDRAM Controller DRAM Status Register Bit Masks */
60 #define CV_DRAMSTS_SBEERR          0x04
61 #define CV_DRAMSTS_DBEERR          0x08
62 #define CV_DRAMSTS_CORR_DROP       0x10
63 
64 /* SDRAM Controller DRAM IRQ Register */
65 #define CV_DRAMINTR_OFST           0x3C
66 
67 /* SDRAM Controller DRAM IRQ Register Bit Masks */
68 #define CV_DRAMINTR_INTREN         0x01
69 #define CV_DRAMINTR_SBEMASK        0x02
70 #define CV_DRAMINTR_DBEMASK        0x04
71 #define CV_DRAMINTR_CORRDROPMASK   0x08
72 #define CV_DRAMINTR_INTRCLR        0x10
73 
74 /* SDRAM Controller Single Bit Error Count Register */
75 #define CV_SBECOUNT_OFST           0x40
76 
77 /* SDRAM Controller Double Bit Error Count Register */
78 #define CV_DBECOUNT_OFST           0x44
79 
80 /* SDRAM Controller ECC Error Address Register */
81 #define CV_ERRADDR_OFST            0x48
82 
83 /*-----------------------------------------*/
84 
85 /* SDRAM Controller EccCtrl Register */
86 #define A10_ECCCTRL1_OFST          0x00
87 
88 /* SDRAM Controller EccCtrl Register Bit Masks */
89 #define A10_ECCCTRL1_ECC_EN        0x001
90 #define A10_ECCCTRL1_CNT_RST       0x010
91 #define A10_ECCCTRL1_AWB_CNT_RST   0x100
92 #define A10_ECC_CNT_RESET_MASK     (A10_ECCCTRL1_CNT_RST | \
93 				    A10_ECCCTRL1_AWB_CNT_RST)
94 
95 /* SDRAM Controller Address Width Register */
96 #define CV_DRAMADDRW               0xFFC2502C
97 #define A10_DRAMADDRW              0xFFCFA0A8
98 
99 /* SDRAM Controller Address Widths Field Register */
100 #define DRAMADDRW_COLBIT_MASK      0x001F
101 #define DRAMADDRW_COLBIT_SHIFT     0
102 #define DRAMADDRW_ROWBIT_MASK      0x03E0
103 #define DRAMADDRW_ROWBIT_SHIFT     5
104 #define CV_DRAMADDRW_BANKBIT_MASK  0x1C00
105 #define CV_DRAMADDRW_BANKBIT_SHIFT 10
106 #define CV_DRAMADDRW_CSBIT_MASK    0xE000
107 #define CV_DRAMADDRW_CSBIT_SHIFT   13
108 
109 #define A10_DRAMADDRW_BANKBIT_MASK  0x3C00
110 #define A10_DRAMADDRW_BANKBIT_SHIFT 10
111 #define A10_DRAMADDRW_GRPBIT_MASK   0xC000
112 #define A10_DRAMADDRW_GRPBIT_SHIFT  14
113 #define A10_DRAMADDRW_CSBIT_MASK    0x70000
114 #define A10_DRAMADDRW_CSBIT_SHIFT   16
115 
116 /* SDRAM Controller Interface Data Width Register */
117 #define CV_DRAMIFWIDTH             0xFFC25030
118 #define A10_DRAMIFWIDTH            0xFFCFB008
119 
120 /* SDRAM Controller Interface Data Width Defines */
121 #define CV_DRAMIFWIDTH_16B_ECC     24
122 #define CV_DRAMIFWIDTH_32B_ECC     40
123 
124 #define A10_DRAMIFWIDTH_16B        0x0
125 #define A10_DRAMIFWIDTH_32B        0x1
126 #define A10_DRAMIFWIDTH_64B        0x2
127 
128 /* SDRAM Controller DRAM IRQ Register */
129 #define A10_ERRINTEN_OFST          0x10
130 
131 /* SDRAM Controller DRAM IRQ Register Bit Masks */
132 #define A10_ERRINTEN_SERRINTEN     0x01
133 #define A10_ERRINTEN_DERRINTEN     0x02
134 #define A10_ECC_IRQ_EN_MASK        (A10_ERRINTEN_SERRINTEN | \
135 				    A10_ERRINTEN_DERRINTEN)
136 
137 /* SDRAM Interrupt Mode Register */
138 #define A10_INTMODE_OFST           0x1C
139 #define A10_INTMODE_SB_INT         1
140 
141 /* SDRAM Controller Error Status Register */
142 #define A10_INTSTAT_OFST           0x20
143 
144 /* SDRAM Controller Error Status Register Bit Masks */
145 #define A10_INTSTAT_SBEERR         0x01
146 #define A10_INTSTAT_DBEERR         0x02
147 
148 /* SDRAM Controller ECC Error Address Register */
149 #define A10_DERRADDR_OFST          0x2C
150 #define A10_SERRADDR_OFST          0x30
151 
152 /* SDRAM Controller ECC Diagnostic Register */
153 #define A10_DIAGINTTEST_OFST       0x24
154 
155 #define A10_DIAGINT_TSERRA_MASK    0x0001
156 #define A10_DIAGINT_TDERRA_MASK    0x0100
157 
158 #define A10_SBERR_IRQ              34
159 #define A10_DBERR_IRQ              32
160 
161 /* SDRAM Single Bit Error Count Compare Set Register */
162 #define A10_SERRCNTREG_OFST        0x3C
163 
164 #define A10_SYMAN_INTMASK_CLR      0xFFD06098
165 #define A10_INTMASK_CLR_OFST       0x10
166 #define A10_DDR0_IRQ_MASK          BIT(17)
167 
168 struct altr_sdram_prv_data {
169 	int ecc_ctrl_offset;
170 	int ecc_ctl_en_mask;
171 	int ecc_cecnt_offset;
172 	int ecc_uecnt_offset;
173 	int ecc_stat_offset;
174 	int ecc_stat_ce_mask;
175 	int ecc_stat_ue_mask;
176 	int ecc_saddr_offset;
177 	int ecc_daddr_offset;
178 	int ecc_irq_en_offset;
179 	int ecc_irq_en_mask;
180 	int ecc_irq_clr_offset;
181 	int ecc_irq_clr_mask;
182 	int ecc_cnt_rst_offset;
183 	int ecc_cnt_rst_mask;
184 #ifdef CONFIG_EDAC_DEBUG
185 	struct edac_dev_sysfs_attribute *eccmgr_sysfs_attr;
186 	int ecc_enable_mask;
187 	int ce_set_mask;
188 	int ue_set_mask;
189 	int ce_ue_trgr_offset;
190 #endif
191 };
192 
193 /* Altera SDRAM Memory Controller data */
194 struct altr_sdram_mc_data {
195 	struct regmap *mc_vbase;
196 	int sb_irq;
197 	int db_irq;
198 	const struct altr_sdram_prv_data *data;
199 };
200 
201 #endif	/* #ifndef _ALTERA_EDAC_H */
202