3 * Copyright (C) 2015 Altera Corporation
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.
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
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/>.
18 #ifndef _ALTERA_EDAC_H
19 #define _ALTERA_EDAC_H
21 #include <linux/edac.h>
22 #include <linux/types.h>
24 /* SDRAM Controller CtrlCfg Register */
25 #define CV_CTLCFG_OFST 0x00
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
33 #define CV_CTLCFG_ECC_AUTO_EN (CV_CTLCFG_ECC_EN)
35 /* SDRAM Controller Address Width Register */
36 #define CV_DRAMADDRW_OFST 0x2C
38 /* SDRAM Controller Address Widths Field Register */
39 #define DRAMADDRW_COLBIT_MASK 0x001F
40 #define DRAMADDRW_COLBIT_SHIFT 0
41 #define DRAMADDRW_ROWBIT_MASK 0x03E0
42 #define DRAMADDRW_ROWBIT_SHIFT 5
43 #define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
44 #define CV_DRAMADDRW_BANKBIT_SHIFT 10
45 #define CV_DRAMADDRW_CSBIT_MASK 0xE000
46 #define CV_DRAMADDRW_CSBIT_SHIFT 13
48 /* SDRAM Controller Interface Data Width Register */
49 #define CV_DRAMIFWIDTH_OFST 0x30
51 /* SDRAM Controller Interface Data Width Defines */
52 #define CV_DRAMIFWIDTH_16B_ECC 24
53 #define CV_DRAMIFWIDTH_32B_ECC 40
55 /* SDRAM Controller DRAM Status Register */
56 #define CV_DRAMSTS_OFST 0x38
58 /* SDRAM Controller DRAM Status Register Bit Masks */
59 #define CV_DRAMSTS_SBEERR 0x04
60 #define CV_DRAMSTS_DBEERR 0x08
61 #define CV_DRAMSTS_CORR_DROP 0x10
63 /* SDRAM Controller DRAM IRQ Register */
64 #define CV_DRAMINTR_OFST 0x3C
66 /* SDRAM Controller DRAM IRQ Register Bit Masks */
67 #define CV_DRAMINTR_INTREN 0x01
68 #define CV_DRAMINTR_SBEMASK 0x02
69 #define CV_DRAMINTR_DBEMASK 0x04
70 #define CV_DRAMINTR_CORRDROPMASK 0x08
71 #define CV_DRAMINTR_INTRCLR 0x10
73 /* SDRAM Controller Single Bit Error Count Register */
74 #define CV_SBECOUNT_OFST 0x40
76 /* SDRAM Controller Double Bit Error Count Register */
77 #define CV_DBECOUNT_OFST 0x44
79 /* SDRAM Controller ECC Error Address Register */
80 #define CV_ERRADDR_OFST 0x48
82 /*-----------------------------------------*/
84 /* SDRAM Controller EccCtrl Register */
85 #define A10_ECCCTRL1_OFST 0x00
87 /* SDRAM Controller EccCtrl Register Bit Masks */
88 #define A10_ECCCTRL1_ECC_EN 0x001
89 #define A10_ECCCTRL1_CNT_RST 0x010
90 #define A10_ECCCTRL1_AWB_CNT_RST 0x100
91 #define A10_ECC_CNT_RESET_MASK (A10_ECCCTRL1_CNT_RST | \
92 A10_ECCCTRL1_AWB_CNT_RST)
94 /* SDRAM Controller Address Width Register */
95 #define CV_DRAMADDRW 0xFFC2502C
96 #define A10_DRAMADDRW 0xFFCFA0A8
98 /* SDRAM Controller Address Widths Field Register */
99 #define DRAMADDRW_COLBIT_MASK 0x001F
100 #define DRAMADDRW_COLBIT_SHIFT 0
101 #define DRAMADDRW_ROWBIT_MASK 0x03E0
102 #define DRAMADDRW_ROWBIT_SHIFT 5
103 #define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
104 #define CV_DRAMADDRW_BANKBIT_SHIFT 10
105 #define CV_DRAMADDRW_CSBIT_MASK 0xE000
106 #define CV_DRAMADDRW_CSBIT_SHIFT 13
108 #define A10_DRAMADDRW_BANKBIT_MASK 0x3C00
109 #define A10_DRAMADDRW_BANKBIT_SHIFT 10
110 #define A10_DRAMADDRW_GRPBIT_MASK 0xC000
111 #define A10_DRAMADDRW_GRPBIT_SHIFT 14
112 #define A10_DRAMADDRW_CSBIT_MASK 0x70000
113 #define A10_DRAMADDRW_CSBIT_SHIFT 16
115 /* SDRAM Controller Interface Data Width Register */
116 #define CV_DRAMIFWIDTH 0xFFC25030
117 #define A10_DRAMIFWIDTH 0xFFCFB008
119 /* SDRAM Controller Interface Data Width Defines */
120 #define CV_DRAMIFWIDTH_16B_ECC 24
121 #define CV_DRAMIFWIDTH_32B_ECC 40
123 #define A10_DRAMIFWIDTH_16B 0x0
124 #define A10_DRAMIFWIDTH_32B 0x1
125 #define A10_DRAMIFWIDTH_64B 0x2
127 /* SDRAM Controller DRAM IRQ Register */
128 #define A10_ERRINTEN_OFST 0x10
130 /* SDRAM Controller DRAM IRQ Register Bit Masks */
131 #define A10_ERRINTEN_SERRINTEN 0x01
132 #define A10_ERRINTEN_DERRINTEN 0x02
133 #define A10_ECC_IRQ_EN_MASK (A10_ERRINTEN_SERRINTEN | \
134 A10_ERRINTEN_DERRINTEN)
136 /* SDRAM Interrupt Mode Register */
137 #define A10_INTMODE_OFST 0x1C
138 #define A10_INTMODE_SB_INT 1
140 /* SDRAM Controller Error Status Register */
141 #define A10_INTSTAT_OFST 0x20
143 /* SDRAM Controller Error Status Register Bit Masks */
144 #define A10_INTSTAT_SBEERR 0x01
145 #define A10_INTSTAT_DBEERR 0x02
147 /* SDRAM Controller ECC Error Address Register */
148 #define A10_DERRADDR_OFST 0x2C
149 #define A10_SERRADDR_OFST 0x30
151 /* SDRAM Controller ECC Diagnostic Register */
152 #define A10_DIAGINTTEST_OFST 0x24
154 #define A10_DIAGINT_TSERRA_MASK 0x0001
155 #define A10_DIAGINT_TDERRA_MASK 0x0100
157 #define A10_SBERR_IRQ 34
158 #define A10_DBERR_IRQ 32
160 /* SDRAM Single Bit Error Count Compare Set Register */
161 #define A10_SERRCNTREG_OFST 0x3C
163 #define A10_SYMAN_INTMASK_CLR 0xFFD06098
164 #define A10_INTMASK_CLR_OFST 0x10
165 #define A10_DDR0_IRQ_MASK BIT(17)
167 struct altr_sdram_prv_data {
170 int ecc_cecnt_offset;
171 int ecc_uecnt_offset;
173 int ecc_stat_ce_mask;
174 int ecc_stat_ue_mask;
175 int ecc_saddr_offset;
176 int ecc_daddr_offset;
177 int ecc_irq_en_offset;
179 int ecc_irq_clr_offset;
180 int ecc_irq_clr_mask;
181 int ecc_cnt_rst_offset;
182 int ecc_cnt_rst_mask;
183 struct edac_dev_sysfs_attribute *eccmgr_sysfs_attr;
187 int ce_ue_trgr_offset;
190 /* Altera SDRAM Memory Controller data */
191 struct altr_sdram_mc_data {
192 struct regmap *mc_vbase;
195 const struct altr_sdram_prv_data *data;
198 #endif /* #ifndef _ALTERA_EDAC_H */