powerpc/mm: Drop the unnecessary region check
[linux-2.6-block.git] / drivers / edac / altera_edac.h
CommitLineData
3dab6bd5 1/* SPDX-License-Identifier: GPL-2.0 */
143f4a5a 2/*
3dab6bd5 3 * Copyright (C) 2017-2018, Intel Corporation
143f4a5a 4 * Copyright (C) 2015 Altera Corporation
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5 */
6
7#ifndef _ALTERA_EDAC_H
8#define _ALTERA_EDAC_H
9
3dab6bd5 10#include <linux/arm-smccc.h>
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11#include <linux/edac.h>
12#include <linux/types.h>
13
14/* SDRAM Controller CtrlCfg Register */
15#define CV_CTLCFG_OFST 0x00
16
17/* SDRAM Controller CtrlCfg Register Bit Masks */
18#define CV_CTLCFG_ECC_EN 0x400
19#define CV_CTLCFG_ECC_CORR_EN 0x800
20#define CV_CTLCFG_GEN_SB_ERR 0x2000
21#define CV_CTLCFG_GEN_DB_ERR 0x4000
22
941fd2e7 23#define CV_CTLCFG_ECC_AUTO_EN (CV_CTLCFG_ECC_EN)
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24
25/* SDRAM Controller Address Width Register */
26#define CV_DRAMADDRW_OFST 0x2C
27
28/* SDRAM Controller Address Widths Field Register */
29#define DRAMADDRW_COLBIT_MASK 0x001F
30#define DRAMADDRW_COLBIT_SHIFT 0
31#define DRAMADDRW_ROWBIT_MASK 0x03E0
32#define DRAMADDRW_ROWBIT_SHIFT 5
33#define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
34#define CV_DRAMADDRW_BANKBIT_SHIFT 10
35#define CV_DRAMADDRW_CSBIT_MASK 0xE000
36#define CV_DRAMADDRW_CSBIT_SHIFT 13
37
38/* SDRAM Controller Interface Data Width Register */
39#define CV_DRAMIFWIDTH_OFST 0x30
40
41/* SDRAM Controller Interface Data Width Defines */
42#define CV_DRAMIFWIDTH_16B_ECC 24
43#define CV_DRAMIFWIDTH_32B_ECC 40
44
45/* SDRAM Controller DRAM Status Register */
46#define CV_DRAMSTS_OFST 0x38
47
48/* SDRAM Controller DRAM Status Register Bit Masks */
49#define CV_DRAMSTS_SBEERR 0x04
50#define CV_DRAMSTS_DBEERR 0x08
51#define CV_DRAMSTS_CORR_DROP 0x10
52
53/* SDRAM Controller DRAM IRQ Register */
54#define CV_DRAMINTR_OFST 0x3C
55
56/* SDRAM Controller DRAM IRQ Register Bit Masks */
57#define CV_DRAMINTR_INTREN 0x01
58#define CV_DRAMINTR_SBEMASK 0x02
59#define CV_DRAMINTR_DBEMASK 0x04
60#define CV_DRAMINTR_CORRDROPMASK 0x08
61#define CV_DRAMINTR_INTRCLR 0x10
62
63/* SDRAM Controller Single Bit Error Count Register */
64#define CV_SBECOUNT_OFST 0x40
65
66/* SDRAM Controller Double Bit Error Count Register */
67#define CV_DBECOUNT_OFST 0x44
68
69/* SDRAM Controller ECC Error Address Register */
70#define CV_ERRADDR_OFST 0x48
71
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72/*-----------------------------------------*/
73
74/* SDRAM Controller EccCtrl Register */
75#define A10_ECCCTRL1_OFST 0x00
76
77/* SDRAM Controller EccCtrl Register Bit Masks */
78#define A10_ECCCTRL1_ECC_EN 0x001
79#define A10_ECCCTRL1_CNT_RST 0x010
80#define A10_ECCCTRL1_AWB_CNT_RST 0x100
81#define A10_ECC_CNT_RESET_MASK (A10_ECCCTRL1_CNT_RST | \
82 A10_ECCCTRL1_AWB_CNT_RST)
83
84/* SDRAM Controller Address Width Register */
85#define CV_DRAMADDRW 0xFFC2502C
86#define A10_DRAMADDRW 0xFFCFA0A8
3dab6bd5 87#define S10_DRAMADDRW 0xF80110E0
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88
89/* SDRAM Controller Address Widths Field Register */
90#define DRAMADDRW_COLBIT_MASK 0x001F
91#define DRAMADDRW_COLBIT_SHIFT 0
92#define DRAMADDRW_ROWBIT_MASK 0x03E0
93#define DRAMADDRW_ROWBIT_SHIFT 5
94#define CV_DRAMADDRW_BANKBIT_MASK 0x1C00
95#define CV_DRAMADDRW_BANKBIT_SHIFT 10
96#define CV_DRAMADDRW_CSBIT_MASK 0xE000
97#define CV_DRAMADDRW_CSBIT_SHIFT 13
98
99#define A10_DRAMADDRW_BANKBIT_MASK 0x3C00
100#define A10_DRAMADDRW_BANKBIT_SHIFT 10
101#define A10_DRAMADDRW_GRPBIT_MASK 0xC000
102#define A10_DRAMADDRW_GRPBIT_SHIFT 14
103#define A10_DRAMADDRW_CSBIT_MASK 0x70000
104#define A10_DRAMADDRW_CSBIT_SHIFT 16
105
106/* SDRAM Controller Interface Data Width Register */
107#define CV_DRAMIFWIDTH 0xFFC25030
108#define A10_DRAMIFWIDTH 0xFFCFB008
3dab6bd5 109#define S10_DRAMIFWIDTH 0xF8011008
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110
111/* SDRAM Controller Interface Data Width Defines */
112#define CV_DRAMIFWIDTH_16B_ECC 24
113#define CV_DRAMIFWIDTH_32B_ECC 40
114
115#define A10_DRAMIFWIDTH_16B 0x0
116#define A10_DRAMIFWIDTH_32B 0x1
117#define A10_DRAMIFWIDTH_64B 0x2
118
119/* SDRAM Controller DRAM IRQ Register */
120#define A10_ERRINTEN_OFST 0x10
121
122/* SDRAM Controller DRAM IRQ Register Bit Masks */
123#define A10_ERRINTEN_SERRINTEN 0x01
124#define A10_ERRINTEN_DERRINTEN 0x02
125#define A10_ECC_IRQ_EN_MASK (A10_ERRINTEN_SERRINTEN | \
126 A10_ERRINTEN_DERRINTEN)
127
128/* SDRAM Interrupt Mode Register */
129#define A10_INTMODE_OFST 0x1C
130#define A10_INTMODE_SB_INT 1
131
132/* SDRAM Controller Error Status Register */
133#define A10_INTSTAT_OFST 0x20
134
135/* SDRAM Controller Error Status Register Bit Masks */
136#define A10_INTSTAT_SBEERR 0x01
137#define A10_INTSTAT_DBEERR 0x02
138
139/* SDRAM Controller ECC Error Address Register */
140#define A10_DERRADDR_OFST 0x2C
141#define A10_SERRADDR_OFST 0x30
142
143/* SDRAM Controller ECC Diagnostic Register */
144#define A10_DIAGINTTEST_OFST 0x24
145
146#define A10_DIAGINT_TSERRA_MASK 0x0001
147#define A10_DIAGINT_TDERRA_MASK 0x0100
148
149#define A10_SBERR_IRQ 34
150#define A10_DBERR_IRQ 32
151
152/* SDRAM Single Bit Error Count Compare Set Register */
153#define A10_SERRCNTREG_OFST 0x3C
154
155#define A10_SYMAN_INTMASK_CLR 0xFFD06098
156#define A10_INTMASK_CLR_OFST 0x10
157#define A10_DDR0_IRQ_MASK BIT(17)
158
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159struct altr_sdram_prv_data {
160 int ecc_ctrl_offset;
161 int ecc_ctl_en_mask;
162 int ecc_cecnt_offset;
163 int ecc_uecnt_offset;
164 int ecc_stat_offset;
165 int ecc_stat_ce_mask;
166 int ecc_stat_ue_mask;
167 int ecc_saddr_offset;
168 int ecc_daddr_offset;
169 int ecc_irq_en_offset;
170 int ecc_irq_en_mask;
171 int ecc_irq_clr_offset;
172 int ecc_irq_clr_mask;
173 int ecc_cnt_rst_offset;
174 int ecc_cnt_rst_mask;
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175 struct edac_dev_sysfs_attribute *eccmgr_sysfs_attr;
176 int ecc_enable_mask;
177 int ce_set_mask;
178 int ue_set_mask;
179 int ce_ue_trgr_offset;
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180};
181
182/* Altera SDRAM Memory Controller data */
183struct altr_sdram_mc_data {
184 struct regmap *mc_vbase;
185 int sb_irq;
186 int db_irq;
187 const struct altr_sdram_prv_data *data;
188};
189
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190/************************** EDAC Device Defines **************************/
191/***** General Device Trigger Defines *****/
192#define ALTR_UE_TRIGGER_CHAR 'U' /* Trigger for UE */
193#define ALTR_TRIGGER_READ_WRD_CNT 32 /* Line size x 4 */
194#define ALTR_TRIG_OCRAM_BYTE_SIZE 128 /* Line size x 4 */
195#define ALTR_TRIG_L2C_BYTE_SIZE 4096 /* Full Page */
196
197/******* Cyclone5 and Arria5 Defines *******/
198/* OCRAM ECC Management Group Defines */
199#define ALTR_MAN_GRP_OCRAM_ECC_OFFSET 0x04
811fce4f 200#define ALTR_OCR_ECC_REG_OFFSET 0x00
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201#define ALTR_OCR_ECC_EN BIT(0)
202#define ALTR_OCR_ECC_INJS BIT(1)
203#define ALTR_OCR_ECC_INJD BIT(2)
204#define ALTR_OCR_ECC_SERR BIT(3)
205#define ALTR_OCR_ECC_DERR BIT(4)
206
207/* L2 ECC Management Group Defines */
208#define ALTR_MAN_GRP_L2_ECC_OFFSET 0x00
811fce4f 209#define ALTR_L2_ECC_REG_OFFSET 0x00
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210#define ALTR_L2_ECC_EN BIT(0)
211#define ALTR_L2_ECC_INJS BIT(1)
212#define ALTR_L2_ECC_INJD BIT(2)
213
588cb03e 214/* Arria10 General ECC Block Module Defines */
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215#define ALTR_A10_ECC_CTRL_OFST 0x08
216#define ALTR_A10_ECC_EN BIT(0)
217#define ALTR_A10_ECC_INITA BIT(16)
218#define ALTR_A10_ECC_INITB BIT(24)
219
220#define ALTR_A10_ECC_INITSTAT_OFST 0x0C
221#define ALTR_A10_ECC_INITCOMPLETEA BIT(0)
222#define ALTR_A10_ECC_INITCOMPLETEB BIT(8)
223
224#define ALTR_A10_ECC_ERRINTEN_OFST 0x10
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225#define ALTR_A10_ECC_ERRINTENS_OFST 0x14
226#define ALTR_A10_ECC_ERRINTENR_OFST 0x18
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227#define ALTR_A10_ECC_SERRINTEN BIT(0)
228
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229#define ALTR_A10_ECC_INTMODE_OFST 0x1C
230#define ALTR_A10_ECC_INTMODE BIT(0)
231
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232#define ALTR_A10_ECC_INTSTAT_OFST 0x20
233#define ALTR_A10_ECC_SERRPENA BIT(0)
234#define ALTR_A10_ECC_DERRPENA BIT(8)
235#define ALTR_A10_ECC_ERRPENA_MASK (ALTR_A10_ECC_SERRPENA | \
236 ALTR_A10_ECC_DERRPENA)
237#define ALTR_A10_ECC_SERRPENB BIT(16)
238#define ALTR_A10_ECC_DERRPENB BIT(24)
239#define ALTR_A10_ECC_ERRPENB_MASK (ALTR_A10_ECC_SERRPENB | \
240 ALTR_A10_ECC_DERRPENB)
241
242#define ALTR_A10_ECC_INTTEST_OFST 0x24
243#define ALTR_A10_ECC_TSERRA BIT(0)
244#define ALTR_A10_ECC_TDERRA BIT(8)
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245#define ALTR_A10_ECC_TSERRB BIT(16)
246#define ALTR_A10_ECC_TDERRB BIT(24)
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247
248/* ECC Manager Defines */
249#define A10_SYSMGR_ECC_INTMASK_SET_OFST 0x94
250#define A10_SYSMGR_ECC_INTMASK_CLR_OFST 0x98
251#define A10_SYSMGR_ECC_INTMASK_OCRAM BIT(1)
252
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253#define A10_SYSMGR_ECC_INTSTAT_SERR_OFST 0x9C
254#define A10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xA0
255#define A10_SYSMGR_ECC_INTSTAT_L2 BIT(0)
c7b4be8d 256#define A10_SYSMGR_ECC_INTSTAT_OCRAM BIT(1)
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257
258#define A10_SYSGMR_MPU_CLEAR_L2_ECC_OFST 0xA8
259#define A10_SYSGMR_MPU_CLEAR_L2_ECC_SB BIT(15)
260#define A10_SYSGMR_MPU_CLEAR_L2_ECC_MB BIT(31)
261
262/* Arria 10 L2 ECC Management Group Defines */
263#define ALTR_A10_L2_ECC_CTL_OFST 0x0
264#define ALTR_A10_L2_ECC_EN_CTL BIT(0)
265
266#define ALTR_A10_L2_ECC_STATUS 0xFFD060A4
267#define ALTR_A10_L2_ECC_STAT_OFST 0xA4
268#define ALTR_A10_L2_ECC_SERR_PEND BIT(0)
269#define ALTR_A10_L2_ECC_MERR_PEND BIT(0)
270
271#define ALTR_A10_L2_ECC_CLR_OFST 0x4
272#define ALTR_A10_L2_ECC_SERR_CLR BIT(15)
273#define ALTR_A10_L2_ECC_MERR_CLR BIT(31)
274
275#define ALTR_A10_L2_ECC_INJ_OFST ALTR_A10_L2_ECC_CTL_OFST
276#define ALTR_A10_L2_ECC_CE_INJ_MASK 0x00000101
277#define ALTR_A10_L2_ECC_UE_INJ_MASK 0x00010101
278
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279/* Arria 10 OCRAM ECC Management Group Defines */
280#define ALTR_A10_OCRAM_ECC_EN_CTL (BIT(1) | BIT(0))
281
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282/* Arria 10 Ethernet ECC Management Group Defines */
283#define ALTR_A10_COMMON_ECC_EN_CTL BIT(0)
284
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285/* Arria 10 SDMMC ECC Management Group Defines */
286#define ALTR_A10_SDMMC_IRQ_MASK (BIT(16) | BIT(15))
287
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288/* A10 ECC Controller memory initialization timeout */
289#define ALTR_A10_ECC_INIT_WATCHDOG_10US 10000
290
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291/************* Stratix10 Defines **************/
292
293/* Stratix10 ECC Manager Defines */
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294#define S10_SYSMGR_ECC_INTMASK_CLR_OFST 0x98
295#define S10_SYSMGR_ECC_INTSTAT_DERR_OFST 0xA0
3dab6bd5 296
08f08bfb 297/* Sticky registers for Uncorrected Errors */
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298#define S10_SYSMGR_UE_VAL_OFST 0x220
299#define S10_SYSMGR_UE_ADDR_OFST 0x224
3dab6bd5 300
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301#define S10_DDR0_IRQ_MASK BIT(16)
302
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303/* Define ECC Block Offsets for peripherals */
304#define ECC_BLK_ADDRESS_OFST 0x40
305#define ECC_BLK_RDATA0_OFST 0x44
306#define ECC_BLK_RDATA1_OFST 0x48
307#define ECC_BLK_RDATA2_OFST 0x4C
308#define ECC_BLK_RDATA3_OFST 0x50
309#define ECC_BLK_WDATA0_OFST 0x54
310#define ECC_BLK_WDATA1_OFST 0x58
311#define ECC_BLK_WDATA2_OFST 0x5C
312#define ECC_BLK_WDATA3_OFST 0x60
313#define ECC_BLK_RECC0_OFST 0x64
314#define ECC_BLK_RECC1_OFST 0x68
315#define ECC_BLK_WECC0_OFST 0x6C
316#define ECC_BLK_WECC1_OFST 0x70
317#define ECC_BLK_DBYTECTRL_OFST 0x74
318#define ECC_BLK_ACCCTRL_OFST 0x78
319#define ECC_BLK_STARTACC_OFST 0x7C
320
321#define ECC_XACT_KICK 0x10000
322#define ECC_WORD_WRITE 0xF
323#define ECC_WRITE_DOVR 0x101
324#define ECC_WRITE_EDOVR 0x103
325#define ECC_READ_EOVR 0x2
326#define ECC_READ_EDOVR 0x3
327
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328struct altr_edac_device_dev;
329
05b088b6 330struct edac_device_prv_data {
328ca7ae 331 int (*setup)(struct altr_edac_device_dev *device);
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332 int ce_clear_mask;
333 int ue_clear_mask;
588cb03e 334 int irq_status_mask;
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335 void * (*alloc_mem)(size_t size, void **other);
336 void (*free_mem)(void *p, size_t size, void *other);
337 int ecc_enable_mask;
943ad917 338 int ecc_en_ofst;
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339 int ce_set_mask;
340 int ue_set_mask;
811fce4f 341 int set_err_ofst;
13ab8448 342 irqreturn_t (*ecc_irq_handler)(int irq, void *dev_id);
05b088b6 343 int trig_alloc_sz;
e17ced2c 344 const struct file_operations *inject_fops;
2b083d65 345 bool panic;
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346};
347
348struct altr_edac_device_dev {
588cb03e 349 struct list_head next;
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350 void __iomem *base;
351 int sb_irq;
352 int db_irq;
353 const struct edac_device_prv_data *data;
354 struct dentry *debugfs_dir;
355 char *edac_dev_name;
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356 struct altr_arria10_edac *edac;
357 struct edac_device_ctl_info *edac_dev;
358 struct device ddev;
359 int edac_idx;
360};
361
362struct altr_arria10_edac {
363 struct device *dev;
364 struct regmap *ecc_mgr_map;
365 int sb_irq;
366 int db_irq;
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367 struct irq_domain *domain;
368 struct irq_chip irq_chip;
588cb03e 369 struct list_head a10_ecc_devices;
d5fc9125 370 struct notifier_block panic_notifier;
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371};
372
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373/*
374 * Functions specified by ARM SMC Calling convention:
375 *
376 * FAST call executes atomic operations, returns when the requested operation
377 * has completed.
378 * STD call starts a operation which can be preempted by a non-secure
379 * interrupt. The call can return before the requested operation has
380 * completed.
381 *
382 * a0..a7 is used as register names in the descriptions below, on arm32
383 * that translates to r0..r7 and on arm64 to w0..w7.
384 */
385
386#define INTEL_SIP_SMC_STD_CALL_VAL(func_num) \
387 ARM_SMCCC_CALL_VAL(ARM_SMCCC_STD_CALL, ARM_SMCCC_SMC_64, \
388 ARM_SMCCC_OWNER_SIP, (func_num))
389
390#define INTEL_SIP_SMC_FAST_CALL_VAL(func_num) \
391 ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, ARM_SMCCC_SMC_64, \
392 ARM_SMCCC_OWNER_SIP, (func_num))
393
394#define INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION 0xFFFFFFFF
395#define INTEL_SIP_SMC_STATUS_OK 0x0
396#define INTEL_SIP_SMC_REG_ERROR 0x5
397
398/*
399 * Request INTEL_SIP_SMC_REG_READ
400 *
401 * Read a protected register using SMCCC
402 *
403 * Call register usage:
404 * a0: INTEL_SIP_SMC_REG_READ.
405 * a1: register address.
406 * a2-7: not used.
407 *
408 * Return status:
409 * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or
410 * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION
411 * a1: Value in the register
412 * a2-3: not used.
413 */
414#define INTEL_SIP_SMC_FUNCID_REG_READ 7
415#define INTEL_SIP_SMC_REG_READ \
416 INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_READ)
417
418/*
419 * Request INTEL_SIP_SMC_REG_WRITE
420 *
421 * Write a protected register using SMCCC
422 *
423 * Call register usage:
424 * a0: INTEL_SIP_SMC_REG_WRITE.
425 * a1: register address
426 * a2: value to program into register.
427 * a3-7: not used.
428 *
429 * Return status:
430 * a0: INTEL_SIP_SMC_STATUS_OK, INTEL_SIP_SMC_REG_ERROR, or
431 * INTEL_SIP_SMC_RETURN_UNKNOWN_FUNCTION
432 * a1-3: not used.
433 */
434#define INTEL_SIP_SMC_FUNCID_REG_WRITE 8
435#define INTEL_SIP_SMC_REG_WRITE \
436 INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_REG_WRITE)
437
143f4a5a 438#endif /* #ifndef _ALTERA_EDAC_H */