Commit | Line | Data |
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806c35f5 AC |
1 | /* |
2 | * Intel e752x Memory Controller kernel module | |
3 | * (C) 2004 Linux Networx (http://lnxi.com) | |
4 | * This file may be distributed under the terms of the | |
5 | * GNU General Public License. | |
6 | * | |
7 | * See "enum e752x_chips" below for supported chipsets | |
8 | * | |
9 | * Written by Tom Zimmerman | |
10 | * | |
11 | * Contributors: | |
12 | * Thayne Harbaugh at realmsys.com (?) | |
13 | * Wang Zhenyu at intel.com | |
14 | * Dave Jiang at mvista.com | |
15 | * | |
da9bb1d2 | 16 | * $Id: edac_e752x.c,v 1.5.2.11 2005/10/05 00:43:44 dsp_llnl Exp $ |
806c35f5 AC |
17 | * |
18 | */ | |
19 | ||
806c35f5 AC |
20 | #include <linux/module.h> |
21 | #include <linux/init.h> | |
806c35f5 AC |
22 | #include <linux/pci.h> |
23 | #include <linux/pci_ids.h> | |
806c35f5 | 24 | #include <linux/slab.h> |
c0d12172 | 25 | #include <linux/edac.h> |
20bcb7a8 | 26 | #include "edac_core.h" |
806c35f5 | 27 | |
20bcb7a8 | 28 | #define E752X_REVISION " Ver: 2.0.2 " __DATE__ |
929a40ec | 29 | #define EDAC_MOD_STR "e752x_edac" |
37f04581 | 30 | |
10d33e9c | 31 | static int report_non_memory_errors; |
96941026 | 32 | static int force_function_unhide; |
94ee1cf5 | 33 | static int sysbus_parity = -1; |
96941026 | 34 | |
91b99041 DJ |
35 | static struct edac_pci_ctl_info *e752x_pci; |
36 | ||
537fba28 | 37 | #define e752x_printk(level, fmt, arg...) \ |
e7ecd891 | 38 | edac_printk(level, "e752x", fmt, ##arg) |
537fba28 DP |
39 | |
40 | #define e752x_mc_printk(mci, level, fmt, arg...) \ | |
e7ecd891 | 41 | edac_mc_chipset_printk(mci, level, "e752x", fmt, ##arg) |
537fba28 | 42 | |
806c35f5 AC |
43 | #ifndef PCI_DEVICE_ID_INTEL_7520_0 |
44 | #define PCI_DEVICE_ID_INTEL_7520_0 0x3590 | |
45 | #endif /* PCI_DEVICE_ID_INTEL_7520_0 */ | |
46 | ||
47 | #ifndef PCI_DEVICE_ID_INTEL_7520_1_ERR | |
48 | #define PCI_DEVICE_ID_INTEL_7520_1_ERR 0x3591 | |
49 | #endif /* PCI_DEVICE_ID_INTEL_7520_1_ERR */ | |
50 | ||
51 | #ifndef PCI_DEVICE_ID_INTEL_7525_0 | |
52 | #define PCI_DEVICE_ID_INTEL_7525_0 0x359E | |
53 | #endif /* PCI_DEVICE_ID_INTEL_7525_0 */ | |
54 | ||
55 | #ifndef PCI_DEVICE_ID_INTEL_7525_1_ERR | |
56 | #define PCI_DEVICE_ID_INTEL_7525_1_ERR 0x3593 | |
57 | #endif /* PCI_DEVICE_ID_INTEL_7525_1_ERR */ | |
58 | ||
59 | #ifndef PCI_DEVICE_ID_INTEL_7320_0 | |
60 | #define PCI_DEVICE_ID_INTEL_7320_0 0x3592 | |
61 | #endif /* PCI_DEVICE_ID_INTEL_7320_0 */ | |
62 | ||
63 | #ifndef PCI_DEVICE_ID_INTEL_7320_1_ERR | |
64 | #define PCI_DEVICE_ID_INTEL_7320_1_ERR 0x3593 | |
65 | #endif /* PCI_DEVICE_ID_INTEL_7320_1_ERR */ | |
66 | ||
5135b797 AK |
67 | #ifndef PCI_DEVICE_ID_INTEL_3100_0 |
68 | #define PCI_DEVICE_ID_INTEL_3100_0 0x35B0 | |
69 | #endif /* PCI_DEVICE_ID_INTEL_3100_0 */ | |
70 | ||
71 | #ifndef PCI_DEVICE_ID_INTEL_3100_1_ERR | |
72 | #define PCI_DEVICE_ID_INTEL_3100_1_ERR 0x35B1 | |
73 | #endif /* PCI_DEVICE_ID_INTEL_3100_1_ERR */ | |
74 | ||
806c35f5 AC |
75 | #define E752X_NR_CSROWS 8 /* number of csrows */ |
76 | ||
806c35f5 | 77 | /* E752X register addresses - device 0 function 0 */ |
8004fd2a PT |
78 | #define E752X_MCHSCRB 0x52 /* Memory Scrub register (16b) */ |
79 | /* | |
80 | * 6:5 Scrub Completion Count | |
81 | * 3:2 Scrub Rate (i3100 only) | |
82 | * 01=fast 10=normal | |
83 | * 1:0 Scrub Mode enable | |
84 | * 00=off 10=on | |
85 | */ | |
806c35f5 AC |
86 | #define E752X_DRB 0x60 /* DRAM row boundary register (8b) */ |
87 | #define E752X_DRA 0x70 /* DRAM row attribute register (8b) */ | |
88 | /* | |
89 | * 31:30 Device width row 7 | |
90 | * 01=x8 10=x4 11=x8 DDR2 | |
91 | * 27:26 Device width row 6 | |
92 | * 23:22 Device width row 5 | |
93 | * 19:20 Device width row 4 | |
94 | * 15:14 Device width row 3 | |
95 | * 11:10 Device width row 2 | |
96 | * 7:6 Device width row 1 | |
97 | * 3:2 Device width row 0 | |
98 | */ | |
99 | #define E752X_DRC 0x7C /* DRAM controller mode reg (32b) */ | |
100 | /* FIXME:IS THIS RIGHT? */ | |
101 | /* | |
102 | * 22 Number channels 0=1,1=2 | |
103 | * 19:18 DRB Granularity 32/64MB | |
104 | */ | |
105 | #define E752X_DRM 0x80 /* Dimm mapping register */ | |
106 | #define E752X_DDRCSR 0x9A /* DDR control and status reg (16b) */ | |
107 | /* | |
108 | * 14:12 1 single A, 2 single B, 3 dual | |
109 | */ | |
110 | #define E752X_TOLM 0xC4 /* DRAM top of low memory reg (16b) */ | |
111 | #define E752X_REMAPBASE 0xC6 /* DRAM remap base address reg (16b) */ | |
112 | #define E752X_REMAPLIMIT 0xC8 /* DRAM remap limit address reg (16b) */ | |
113 | #define E752X_REMAPOFFSET 0xCA /* DRAM remap limit offset reg (16b) */ | |
114 | ||
115 | /* E752X register addresses - device 0 function 1 */ | |
116 | #define E752X_FERR_GLOBAL 0x40 /* Global first error register (32b) */ | |
117 | #define E752X_NERR_GLOBAL 0x44 /* Global next error register (32b) */ | |
118 | #define E752X_HI_FERR 0x50 /* Hub interface first error reg (8b) */ | |
119 | #define E752X_HI_NERR 0x52 /* Hub interface next error reg (8b) */ | |
120 | #define E752X_HI_ERRMASK 0x54 /* Hub interface error mask reg (8b) */ | |
121 | #define E752X_HI_SMICMD 0x5A /* Hub interface SMI command reg (8b) */ | |
122 | #define E752X_SYSBUS_FERR 0x60 /* System buss first error reg (16b) */ | |
123 | #define E752X_SYSBUS_NERR 0x62 /* System buss next error reg (16b) */ | |
124 | #define E752X_SYSBUS_ERRMASK 0x64 /* System buss error mask reg (16b) */ | |
125 | #define E752X_SYSBUS_SMICMD 0x6A /* System buss SMI command reg (16b) */ | |
126 | #define E752X_BUF_FERR 0x70 /* Memory buffer first error reg (8b) */ | |
127 | #define E752X_BUF_NERR 0x72 /* Memory buffer next error reg (8b) */ | |
128 | #define E752X_BUF_ERRMASK 0x74 /* Memory buffer error mask reg (8b) */ | |
10d33e9c | 129 | #define E752X_BUF_SMICMD 0x7A /* Memory buffer SMI cmd reg (8b) */ |
806c35f5 AC |
130 | #define E752X_DRAM_FERR 0x80 /* DRAM first error register (16b) */ |
131 | #define E752X_DRAM_NERR 0x82 /* DRAM next error register (16b) */ | |
132 | #define E752X_DRAM_ERRMASK 0x84 /* DRAM error mask register (8b) */ | |
133 | #define E752X_DRAM_SMICMD 0x8A /* DRAM SMI command register (8b) */ | |
134 | #define E752X_DRAM_RETR_ADD 0xAC /* DRAM Retry address register (32b) */ | |
135 | #define E752X_DRAM_SEC1_ADD 0xA0 /* DRAM first correctable memory */ | |
136 | /* error address register (32b) */ | |
137 | /* | |
138 | * 31 Reserved | |
10d33e9c | 139 | * 30:2 CE address (64 byte block 34:6 |
806c35f5 AC |
140 | * 1 Reserved |
141 | * 0 HiLoCS | |
142 | */ | |
143 | #define E752X_DRAM_SEC2_ADD 0xC8 /* DRAM first correctable memory */ | |
144 | /* error address register (32b) */ | |
145 | /* | |
146 | * 31 Reserved | |
147 | * 30:2 CE address (64 byte block 34:6) | |
148 | * 1 Reserved | |
149 | * 0 HiLoCS | |
150 | */ | |
151 | #define E752X_DRAM_DED_ADD 0xA4 /* DRAM first uncorrectable memory */ | |
152 | /* error address register (32b) */ | |
153 | /* | |
154 | * 31 Reserved | |
155 | * 30:2 CE address (64 byte block 34:6) | |
156 | * 1 Reserved | |
157 | * 0 HiLoCS | |
158 | */ | |
10d33e9c | 159 | #define E752X_DRAM_SCRB_ADD 0xA8 /* DRAM 1st uncorrectable scrub mem */ |
806c35f5 AC |
160 | /* error address register (32b) */ |
161 | /* | |
162 | * 31 Reserved | |
10d33e9c | 163 | * 30:2 CE address (64 byte block 34:6 |
806c35f5 AC |
164 | * 1 Reserved |
165 | * 0 HiLoCS | |
166 | */ | |
167 | #define E752X_DRAM_SEC1_SYNDROME 0xC4 /* DRAM first correctable memory */ | |
168 | /* error syndrome register (16b) */ | |
169 | #define E752X_DRAM_SEC2_SYNDROME 0xC6 /* DRAM second correctable memory */ | |
170 | /* error syndrome register (16b) */ | |
171 | #define E752X_DEVPRES1 0xF4 /* Device Present 1 register (8b) */ | |
172 | ||
5135b797 AK |
173 | /* 3100 IMCH specific register addresses - device 0 function 1 */ |
174 | #define I3100_NSI_FERR 0x48 /* NSI first error reg (32b) */ | |
175 | #define I3100_NSI_NERR 0x4C /* NSI next error reg (32b) */ | |
176 | #define I3100_NSI_SMICMD 0x54 /* NSI SMI command register (32b) */ | |
177 | #define I3100_NSI_EMASK 0x90 /* NSI error mask register (32b) */ | |
178 | ||
806c35f5 AC |
179 | /* ICH5R register addresses - device 30 function 0 */ |
180 | #define ICH5R_PCI_STAT 0x06 /* PCI status register (16b) */ | |
181 | #define ICH5R_PCI_2ND_STAT 0x1E /* PCI status secondary reg (16b) */ | |
182 | #define ICH5R_PCI_BRIDGE_CTL 0x3E /* PCI bridge control register (16b) */ | |
183 | ||
184 | enum e752x_chips { | |
185 | E7520 = 0, | |
186 | E7525 = 1, | |
5135b797 AK |
187 | E7320 = 2, |
188 | I3100 = 3 | |
806c35f5 AC |
189 | }; |
190 | ||
806c35f5 AC |
191 | struct e752x_pvt { |
192 | struct pci_dev *bridge_ck; | |
193 | struct pci_dev *dev_d0f0; | |
194 | struct pci_dev *dev_d0f1; | |
195 | u32 tolm; | |
196 | u32 remapbase; | |
197 | u32 remaplimit; | |
198 | int mc_symmetric; | |
199 | u8 map[8]; | |
200 | int map_type; | |
201 | const struct e752x_dev_info *dev_info; | |
202 | }; | |
203 | ||
806c35f5 AC |
204 | struct e752x_dev_info { |
205 | u16 err_dev; | |
3847bccc | 206 | u16 ctl_dev; |
806c35f5 AC |
207 | const char *ctl_name; |
208 | }; | |
209 | ||
210 | struct e752x_error_info { | |
211 | u32 ferr_global; | |
212 | u32 nerr_global; | |
5135b797 AK |
213 | u32 nsi_ferr; /* 3100 only */ |
214 | u32 nsi_nerr; /* 3100 only */ | |
215 | u8 hi_ferr; /* all but 3100 */ | |
216 | u8 hi_nerr; /* all but 3100 */ | |
806c35f5 AC |
217 | u16 sysbus_ferr; |
218 | u16 sysbus_nerr; | |
219 | u8 buf_ferr; | |
220 | u8 buf_nerr; | |
221 | u16 dram_ferr; | |
222 | u16 dram_nerr; | |
223 | u32 dram_sec1_add; | |
224 | u32 dram_sec2_add; | |
225 | u16 dram_sec1_syndrome; | |
226 | u16 dram_sec2_syndrome; | |
227 | u32 dram_ded_add; | |
228 | u32 dram_scrb_add; | |
229 | u32 dram_retr_add; | |
230 | }; | |
231 | ||
232 | static const struct e752x_dev_info e752x_devs[] = { | |
233 | [E7520] = { | |
052dfb45 DT |
234 | .err_dev = PCI_DEVICE_ID_INTEL_7520_1_ERR, |
235 | .ctl_dev = PCI_DEVICE_ID_INTEL_7520_0, | |
236 | .ctl_name = "E7520"}, | |
806c35f5 | 237 | [E7525] = { |
052dfb45 DT |
238 | .err_dev = PCI_DEVICE_ID_INTEL_7525_1_ERR, |
239 | .ctl_dev = PCI_DEVICE_ID_INTEL_7525_0, | |
240 | .ctl_name = "E7525"}, | |
806c35f5 | 241 | [E7320] = { |
052dfb45 DT |
242 | .err_dev = PCI_DEVICE_ID_INTEL_7320_1_ERR, |
243 | .ctl_dev = PCI_DEVICE_ID_INTEL_7320_0, | |
244 | .ctl_name = "E7320"}, | |
5135b797 AK |
245 | [I3100] = { |
246 | .err_dev = PCI_DEVICE_ID_INTEL_3100_1_ERR, | |
247 | .ctl_dev = PCI_DEVICE_ID_INTEL_3100_0, | |
248 | .ctl_name = "3100"}, | |
806c35f5 AC |
249 | }; |
250 | ||
8004fd2a PT |
251 | /* Valid scrub rates for the e752x/3100 hardware memory scrubber. We |
252 | * map the scrubbing bandwidth to a hardware register value. The 'set' | |
253 | * operation finds the 'matching or higher value'. Note that scrubbing | |
254 | * on the e752x can only be enabled/disabled. The 3100 supports | |
255 | * a normal and fast mode. | |
256 | */ | |
257 | ||
258 | #define SDRATE_EOT 0xFFFFFFFF | |
259 | ||
260 | struct scrubrate { | |
261 | u32 bandwidth; /* bandwidth consumed by scrubbing in bytes/sec */ | |
262 | u16 scrubval; /* register value for scrub rate */ | |
263 | }; | |
264 | ||
265 | /* Rate below assumes same performance as i3100 using PC3200 DDR2 in | |
266 | * normal mode. e752x bridges don't support choosing normal or fast mode, | |
267 | * so the scrubbing bandwidth value isn't all that important - scrubbing is | |
268 | * either on or off. | |
269 | */ | |
270 | static const struct scrubrate scrubrates_e752x[] = { | |
271 | {0, 0x00}, /* Scrubbing Off */ | |
272 | {500000, 0x02}, /* Scrubbing On */ | |
273 | {SDRATE_EOT, 0x00} /* End of Table */ | |
274 | }; | |
275 | ||
276 | /* Fast mode: 2 GByte PC3200 DDR2 scrubbed in 33s = 63161283 bytes/s | |
277 | * Normal mode: 125 (32000 / 256) times slower than fast mode. | |
278 | */ | |
279 | static const struct scrubrate scrubrates_i3100[] = { | |
280 | {0, 0x00}, /* Scrubbing Off */ | |
281 | {500000, 0x0a}, /* Normal mode - 32k clocks */ | |
282 | {62500000, 0x06}, /* Fast mode - 256 clocks */ | |
283 | {SDRATE_EOT, 0x00} /* End of Table */ | |
284 | }; | |
285 | ||
806c35f5 | 286 | static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci, |
052dfb45 | 287 | unsigned long page) |
806c35f5 AC |
288 | { |
289 | u32 remap; | |
203333cb | 290 | struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 | 291 | |
537fba28 | 292 | debugf3("%s()\n", __func__); |
806c35f5 AC |
293 | |
294 | if (page < pvt->tolm) | |
295 | return page; | |
e7ecd891 | 296 | |
806c35f5 AC |
297 | if ((page >= 0x100000) && (page < pvt->remapbase)) |
298 | return page; | |
e7ecd891 | 299 | |
806c35f5 | 300 | remap = (page - pvt->tolm) + pvt->remapbase; |
e7ecd891 | 301 | |
806c35f5 AC |
302 | if (remap < pvt->remaplimit) |
303 | return remap; | |
e7ecd891 | 304 | |
537fba28 | 305 | e752x_printk(KERN_ERR, "Invalid page %lx - out of range\n", page); |
806c35f5 AC |
306 | return pvt->tolm - 1; |
307 | } | |
308 | ||
309 | static void do_process_ce(struct mem_ctl_info *mci, u16 error_one, | |
052dfb45 | 310 | u32 sec1_add, u16 sec1_syndrome) |
806c35f5 AC |
311 | { |
312 | u32 page; | |
313 | int row; | |
314 | int channel; | |
315 | int i; | |
203333cb | 316 | struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 | 317 | |
537fba28 | 318 | debugf3("%s()\n", __func__); |
806c35f5 AC |
319 | |
320 | /* convert the addr to 4k page */ | |
321 | page = sec1_add >> (PAGE_SHIFT - 4); | |
322 | ||
323 | /* FIXME - check for -1 */ | |
324 | if (pvt->mc_symmetric) { | |
325 | /* chip select are bits 14 & 13 */ | |
326 | row = ((page >> 1) & 3); | |
537fba28 | 327 | e752x_printk(KERN_WARNING, |
052dfb45 DT |
328 | "Test row %d Table %d %d %d %d %d %d %d %d\n", row, |
329 | pvt->map[0], pvt->map[1], pvt->map[2], pvt->map[3], | |
330 | pvt->map[4], pvt->map[5], pvt->map[6], | |
331 | pvt->map[7]); | |
806c35f5 AC |
332 | |
333 | /* test for channel remapping */ | |
334 | for (i = 0; i < 8; i++) { | |
335 | if (pvt->map[i] == row) | |
336 | break; | |
337 | } | |
e7ecd891 | 338 | |
537fba28 | 339 | e752x_printk(KERN_WARNING, "Test computed row %d\n", i); |
e7ecd891 | 340 | |
806c35f5 AC |
341 | if (i < 8) |
342 | row = i; | |
343 | else | |
537fba28 | 344 | e752x_mc_printk(mci, KERN_WARNING, |
203333cb DJ |
345 | "row %d not found in remap table\n", |
346 | row); | |
806c35f5 AC |
347 | } else |
348 | row = edac_mc_find_csrow_by_page(mci, page); | |
e7ecd891 | 349 | |
806c35f5 AC |
350 | /* 0 = channel A, 1 = channel B */ |
351 | channel = !(error_one & 1); | |
352 | ||
84db003f MC |
353 | /* e752x mc reads 34:6 of the DRAM linear address */ |
354 | edac_mc_handle_ce(mci, page, offset_in_page(sec1_add << 4), | |
052dfb45 | 355 | sec1_syndrome, row, channel, "e752x CE"); |
806c35f5 AC |
356 | } |
357 | ||
806c35f5 | 358 | static inline void process_ce(struct mem_ctl_info *mci, u16 error_one, |
052dfb45 DT |
359 | u32 sec1_add, u16 sec1_syndrome, int *error_found, |
360 | int handle_error) | |
806c35f5 AC |
361 | { |
362 | *error_found = 1; | |
363 | ||
364 | if (handle_error) | |
365 | do_process_ce(mci, error_one, sec1_add, sec1_syndrome); | |
366 | } | |
367 | ||
e7ecd891 | 368 | static void do_process_ue(struct mem_ctl_info *mci, u16 error_one, |
052dfb45 | 369 | u32 ded_add, u32 scrb_add) |
806c35f5 AC |
370 | { |
371 | u32 error_2b, block_page; | |
372 | int row; | |
203333cb | 373 | struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 | 374 | |
537fba28 | 375 | debugf3("%s()\n", __func__); |
806c35f5 AC |
376 | |
377 | if (error_one & 0x0202) { | |
378 | error_2b = ded_add; | |
e7ecd891 | 379 | |
806c35f5 AC |
380 | /* convert to 4k address */ |
381 | block_page = error_2b >> (PAGE_SHIFT - 4); | |
e7ecd891 | 382 | |
806c35f5 | 383 | row = pvt->mc_symmetric ? |
052dfb45 DT |
384 | /* chip select are bits 14 & 13 */ |
385 | ((block_page >> 1) & 3) : | |
386 | edac_mc_find_csrow_by_page(mci, block_page); | |
e7ecd891 | 387 | |
84db003f MC |
388 | /* e752x mc reads 34:6 of the DRAM linear address */ |
389 | edac_mc_handle_ue(mci, block_page, | |
052dfb45 DT |
390 | offset_in_page(error_2b << 4), |
391 | row, "e752x UE from Read"); | |
806c35f5 AC |
392 | } |
393 | if (error_one & 0x0404) { | |
394 | error_2b = scrb_add; | |
e7ecd891 | 395 | |
806c35f5 AC |
396 | /* convert to 4k address */ |
397 | block_page = error_2b >> (PAGE_SHIFT - 4); | |
e7ecd891 | 398 | |
806c35f5 | 399 | row = pvt->mc_symmetric ? |
052dfb45 DT |
400 | /* chip select are bits 14 & 13 */ |
401 | ((block_page >> 1) & 3) : | |
402 | edac_mc_find_csrow_by_page(mci, block_page); | |
e7ecd891 | 403 | |
84db003f MC |
404 | /* e752x mc reads 34:6 of the DRAM linear address */ |
405 | edac_mc_handle_ue(mci, block_page, | |
052dfb45 DT |
406 | offset_in_page(error_2b << 4), |
407 | row, "e752x UE from Scruber"); | |
806c35f5 AC |
408 | } |
409 | } | |
410 | ||
411 | static inline void process_ue(struct mem_ctl_info *mci, u16 error_one, | |
052dfb45 DT |
412 | u32 ded_add, u32 scrb_add, int *error_found, |
413 | int handle_error) | |
806c35f5 AC |
414 | { |
415 | *error_found = 1; | |
416 | ||
417 | if (handle_error) | |
418 | do_process_ue(mci, error_one, ded_add, scrb_add); | |
419 | } | |
420 | ||
421 | static inline void process_ue_no_info_wr(struct mem_ctl_info *mci, | |
203333cb | 422 | int *error_found, int handle_error) |
806c35f5 AC |
423 | { |
424 | *error_found = 1; | |
425 | ||
426 | if (!handle_error) | |
427 | return; | |
428 | ||
537fba28 | 429 | debugf3("%s()\n", __func__); |
806c35f5 AC |
430 | edac_mc_handle_ue_no_info(mci, "e752x UE log memory write"); |
431 | } | |
432 | ||
433 | static void do_process_ded_retry(struct mem_ctl_info *mci, u16 error, | |
203333cb | 434 | u32 retry_add) |
806c35f5 AC |
435 | { |
436 | u32 error_1b, page; | |
437 | int row; | |
203333cb | 438 | struct e752x_pvt *pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 AC |
439 | |
440 | error_1b = retry_add; | |
10d33e9c DT |
441 | page = error_1b >> (PAGE_SHIFT - 4); /* convert the addr to 4k page */ |
442 | ||
443 | /* chip select are bits 14 & 13 */ | |
444 | row = pvt->mc_symmetric ? ((page >> 1) & 3) : | |
052dfb45 | 445 | edac_mc_find_csrow_by_page(mci, page); |
10d33e9c | 446 | |
537fba28 | 447 | e752x_mc_printk(mci, KERN_WARNING, |
203333cb DJ |
448 | "CE page 0x%lx, row %d : Memory read retry\n", |
449 | (long unsigned int)page, row); | |
806c35f5 AC |
450 | } |
451 | ||
452 | static inline void process_ded_retry(struct mem_ctl_info *mci, u16 error, | |
052dfb45 DT |
453 | u32 retry_add, int *error_found, |
454 | int handle_error) | |
806c35f5 AC |
455 | { |
456 | *error_found = 1; | |
457 | ||
458 | if (handle_error) | |
459 | do_process_ded_retry(mci, error, retry_add); | |
460 | } | |
461 | ||
462 | static inline void process_threshold_ce(struct mem_ctl_info *mci, u16 error, | |
203333cb | 463 | int *error_found, int handle_error) |
806c35f5 AC |
464 | { |
465 | *error_found = 1; | |
466 | ||
467 | if (handle_error) | |
537fba28 | 468 | e752x_mc_printk(mci, KERN_WARNING, "Memory threshold CE\n"); |
806c35f5 AC |
469 | } |
470 | ||
da9bb1d2 | 471 | static char *global_message[11] = { |
10d33e9c DT |
472 | "PCI Express C1", |
473 | "PCI Express C", | |
474 | "PCI Express B1", | |
475 | "PCI Express B", | |
476 | "PCI Express A1", | |
477 | "PCI Express A", | |
478 | "DMA Controller", | |
479 | "HUB or NS Interface", | |
480 | "System Bus", | |
481 | "DRAM Controller", /* 9th entry */ | |
482 | "Internal Buffer" | |
806c35f5 AC |
483 | }; |
484 | ||
10d33e9c DT |
485 | #define DRAM_ENTRY 9 |
486 | ||
da9bb1d2 | 487 | static char *fatal_message[2] = { "Non-Fatal ", "Fatal " }; |
806c35f5 AC |
488 | |
489 | static void do_global_error(int fatal, u32 errors) | |
490 | { | |
491 | int i; | |
492 | ||
493 | for (i = 0; i < 11; i++) { | |
10d33e9c DT |
494 | if (errors & (1 << i)) { |
495 | /* If the error is from DRAM Controller OR | |
496 | * we are to report ALL errors, then | |
497 | * report the error | |
498 | */ | |
499 | if ((i == DRAM_ENTRY) || report_non_memory_errors) | |
500 | e752x_printk(KERN_WARNING, "%sError %s\n", | |
501 | fatal_message[fatal], | |
502 | global_message[i]); | |
503 | } | |
806c35f5 AC |
504 | } |
505 | } | |
506 | ||
507 | static inline void global_error(int fatal, u32 errors, int *error_found, | |
203333cb | 508 | int handle_error) |
806c35f5 AC |
509 | { |
510 | *error_found = 1; | |
511 | ||
512 | if (handle_error) | |
513 | do_global_error(fatal, errors); | |
514 | } | |
515 | ||
da9bb1d2 | 516 | static char *hub_message[7] = { |
806c35f5 AC |
517 | "HI Address or Command Parity", "HI Illegal Access", |
518 | "HI Internal Parity", "Out of Range Access", | |
519 | "HI Data Parity", "Enhanced Config Access", | |
520 | "Hub Interface Target Abort" | |
521 | }; | |
522 | ||
523 | static void do_hub_error(int fatal, u8 errors) | |
524 | { | |
525 | int i; | |
526 | ||
527 | for (i = 0; i < 7; i++) { | |
528 | if (errors & (1 << i)) | |
537fba28 | 529 | e752x_printk(KERN_WARNING, "%sError %s\n", |
052dfb45 | 530 | fatal_message[fatal], hub_message[i]); |
806c35f5 AC |
531 | } |
532 | } | |
533 | ||
534 | static inline void hub_error(int fatal, u8 errors, int *error_found, | |
052dfb45 | 535 | int handle_error) |
806c35f5 AC |
536 | { |
537 | *error_found = 1; | |
538 | ||
539 | if (handle_error) | |
540 | do_hub_error(fatal, errors); | |
541 | } | |
542 | ||
5135b797 AK |
543 | #define NSI_FATAL_MASK 0x0c080081 |
544 | #define NSI_NON_FATAL_MASK 0x23a0ba64 | |
545 | #define NSI_ERR_MASK (NSI_FATAL_MASK | NSI_NON_FATAL_MASK) | |
546 | ||
547 | static char *nsi_message[30] = { | |
548 | "NSI Link Down", /* NSI_FERR/NSI_NERR bit 0, fatal error */ | |
549 | "", /* reserved */ | |
550 | "NSI Parity Error", /* bit 2, non-fatal */ | |
551 | "", /* reserved */ | |
552 | "", /* reserved */ | |
553 | "Correctable Error Message", /* bit 5, non-fatal */ | |
554 | "Non-Fatal Error Message", /* bit 6, non-fatal */ | |
555 | "Fatal Error Message", /* bit 7, fatal */ | |
556 | "", /* reserved */ | |
557 | "Receiver Error", /* bit 9, non-fatal */ | |
558 | "", /* reserved */ | |
559 | "Bad TLP", /* bit 11, non-fatal */ | |
560 | "Bad DLLP", /* bit 12, non-fatal */ | |
561 | "REPLAY_NUM Rollover", /* bit 13, non-fatal */ | |
562 | "", /* reserved */ | |
563 | "Replay Timer Timeout", /* bit 15, non-fatal */ | |
564 | "", /* reserved */ | |
565 | "", /* reserved */ | |
566 | "", /* reserved */ | |
567 | "Data Link Protocol Error", /* bit 19, fatal */ | |
568 | "", /* reserved */ | |
569 | "Poisoned TLP", /* bit 21, non-fatal */ | |
570 | "", /* reserved */ | |
571 | "Completion Timeout", /* bit 23, non-fatal */ | |
572 | "Completer Abort", /* bit 24, non-fatal */ | |
573 | "Unexpected Completion", /* bit 25, non-fatal */ | |
574 | "Receiver Overflow", /* bit 26, fatal */ | |
575 | "Malformed TLP", /* bit 27, fatal */ | |
576 | "", /* reserved */ | |
577 | "Unsupported Request" /* bit 29, non-fatal */ | |
578 | }; | |
579 | ||
580 | static void do_nsi_error(int fatal, u32 errors) | |
581 | { | |
582 | int i; | |
583 | ||
584 | for (i = 0; i < 30; i++) { | |
585 | if (errors & (1 << i)) | |
586 | printk(KERN_WARNING "%sError %s\n", | |
587 | fatal_message[fatal], nsi_message[i]); | |
588 | } | |
589 | } | |
590 | ||
591 | static inline void nsi_error(int fatal, u32 errors, int *error_found, | |
592 | int handle_error) | |
593 | { | |
594 | *error_found = 1; | |
595 | ||
596 | if (handle_error) | |
597 | do_nsi_error(fatal, errors); | |
598 | } | |
599 | ||
da9bb1d2 | 600 | static char *membuf_message[4] = { |
806c35f5 AC |
601 | "Internal PMWB to DRAM parity", |
602 | "Internal PMWB to System Bus Parity", | |
603 | "Internal System Bus or IO to PMWB Parity", | |
604 | "Internal DRAM to PMWB Parity" | |
605 | }; | |
606 | ||
607 | static void do_membuf_error(u8 errors) | |
608 | { | |
609 | int i; | |
610 | ||
611 | for (i = 0; i < 4; i++) { | |
612 | if (errors & (1 << i)) | |
537fba28 | 613 | e752x_printk(KERN_WARNING, "Non-Fatal Error %s\n", |
052dfb45 | 614 | membuf_message[i]); |
806c35f5 AC |
615 | } |
616 | } | |
617 | ||
618 | static inline void membuf_error(u8 errors, int *error_found, int handle_error) | |
619 | { | |
620 | *error_found = 1; | |
621 | ||
622 | if (handle_error) | |
623 | do_membuf_error(errors); | |
624 | } | |
625 | ||
e009356f | 626 | static char *sysbus_message[10] = { |
806c35f5 AC |
627 | "Addr or Request Parity", |
628 | "Data Strobe Glitch", | |
629 | "Addr Strobe Glitch", | |
630 | "Data Parity", | |
631 | "Addr Above TOM", | |
632 | "Non DRAM Lock Error", | |
633 | "MCERR", "BINIT", | |
634 | "Memory Parity", | |
635 | "IO Subsystem Parity" | |
636 | }; | |
637 | ||
638 | static void do_sysbus_error(int fatal, u32 errors) | |
639 | { | |
640 | int i; | |
641 | ||
642 | for (i = 0; i < 10; i++) { | |
643 | if (errors & (1 << i)) | |
537fba28 | 644 | e752x_printk(KERN_WARNING, "%sError System Bus %s\n", |
052dfb45 | 645 | fatal_message[fatal], sysbus_message[i]); |
806c35f5 AC |
646 | } |
647 | } | |
648 | ||
649 | static inline void sysbus_error(int fatal, u32 errors, int *error_found, | |
203333cb | 650 | int handle_error) |
806c35f5 AC |
651 | { |
652 | *error_found = 1; | |
653 | ||
654 | if (handle_error) | |
655 | do_sysbus_error(fatal, errors); | |
656 | } | |
657 | ||
e7ecd891 | 658 | static void e752x_check_hub_interface(struct e752x_error_info *info, |
052dfb45 | 659 | int *error_found, int handle_error) |
806c35f5 AC |
660 | { |
661 | u8 stat8; | |
662 | ||
663 | //pci_read_config_byte(dev,E752X_HI_FERR,&stat8); | |
e7ecd891 | 664 | |
806c35f5 | 665 | stat8 = info->hi_ferr; |
e7ecd891 | 666 | |
203333cb | 667 | if (stat8 & 0x7f) { /* Error, so process */ |
806c35f5 | 668 | stat8 &= 0x7f; |
e7ecd891 | 669 | |
203333cb | 670 | if (stat8 & 0x2b) |
806c35f5 | 671 | hub_error(1, stat8 & 0x2b, error_found, handle_error); |
e7ecd891 | 672 | |
203333cb | 673 | if (stat8 & 0x54) |
806c35f5 AC |
674 | hub_error(0, stat8 & 0x54, error_found, handle_error); |
675 | } | |
676 | //pci_read_config_byte(dev,E752X_HI_NERR,&stat8); | |
e7ecd891 | 677 | |
806c35f5 | 678 | stat8 = info->hi_nerr; |
e7ecd891 | 679 | |
203333cb | 680 | if (stat8 & 0x7f) { /* Error, so process */ |
806c35f5 | 681 | stat8 &= 0x7f; |
e7ecd891 | 682 | |
806c35f5 AC |
683 | if (stat8 & 0x2b) |
684 | hub_error(1, stat8 & 0x2b, error_found, handle_error); | |
e7ecd891 | 685 | |
203333cb | 686 | if (stat8 & 0x54) |
806c35f5 AC |
687 | hub_error(0, stat8 & 0x54, error_found, handle_error); |
688 | } | |
689 | } | |
690 | ||
5135b797 AK |
691 | static void e752x_check_ns_interface(struct e752x_error_info *info, |
692 | int *error_found, int handle_error) | |
693 | { | |
694 | u32 stat32; | |
695 | ||
696 | stat32 = info->nsi_ferr; | |
697 | if (stat32 & NSI_ERR_MASK) { /* Error, so process */ | |
698 | if (stat32 & NSI_FATAL_MASK) /* check for fatal errors */ | |
699 | nsi_error(1, stat32 & NSI_FATAL_MASK, error_found, | |
700 | handle_error); | |
701 | if (stat32 & NSI_NON_FATAL_MASK) /* check for non-fatal ones */ | |
702 | nsi_error(0, stat32 & NSI_NON_FATAL_MASK, error_found, | |
703 | handle_error); | |
704 | } | |
705 | stat32 = info->nsi_nerr; | |
706 | if (stat32 & NSI_ERR_MASK) { | |
707 | if (stat32 & NSI_FATAL_MASK) | |
708 | nsi_error(1, stat32 & NSI_FATAL_MASK, error_found, | |
709 | handle_error); | |
710 | if (stat32 & NSI_NON_FATAL_MASK) | |
711 | nsi_error(0, stat32 & NSI_NON_FATAL_MASK, error_found, | |
712 | handle_error); | |
713 | } | |
714 | } | |
715 | ||
e7ecd891 | 716 | static void e752x_check_sysbus(struct e752x_error_info *info, |
052dfb45 | 717 | int *error_found, int handle_error) |
806c35f5 AC |
718 | { |
719 | u32 stat32, error32; | |
720 | ||
721 | //pci_read_config_dword(dev,E752X_SYSBUS_FERR,&stat32); | |
722 | stat32 = info->sysbus_ferr + (info->sysbus_nerr << 16); | |
723 | ||
724 | if (stat32 == 0) | |
203333cb | 725 | return; /* no errors */ |
806c35f5 AC |
726 | |
727 | error32 = (stat32 >> 16) & 0x3ff; | |
728 | stat32 = stat32 & 0x3ff; | |
e7ecd891 | 729 | |
203333cb | 730 | if (stat32 & 0x087) |
dfb2a763 | 731 | sysbus_error(1, stat32 & 0x087, error_found, handle_error); |
e7ecd891 | 732 | |
203333cb | 733 | if (stat32 & 0x378) |
dfb2a763 | 734 | sysbus_error(0, stat32 & 0x378, error_found, handle_error); |
e7ecd891 | 735 | |
203333cb | 736 | if (error32 & 0x087) |
dfb2a763 | 737 | sysbus_error(1, error32 & 0x087, error_found, handle_error); |
e7ecd891 | 738 | |
203333cb | 739 | if (error32 & 0x378) |
dfb2a763 | 740 | sysbus_error(0, error32 & 0x378, error_found, handle_error); |
806c35f5 AC |
741 | } |
742 | ||
203333cb | 743 | static void e752x_check_membuf(struct e752x_error_info *info, |
052dfb45 | 744 | int *error_found, int handle_error) |
806c35f5 AC |
745 | { |
746 | u8 stat8; | |
747 | ||
748 | stat8 = info->buf_ferr; | |
e7ecd891 | 749 | |
203333cb | 750 | if (stat8 & 0x0f) { /* Error, so process */ |
806c35f5 AC |
751 | stat8 &= 0x0f; |
752 | membuf_error(stat8, error_found, handle_error); | |
753 | } | |
e7ecd891 | 754 | |
806c35f5 | 755 | stat8 = info->buf_nerr; |
e7ecd891 | 756 | |
203333cb | 757 | if (stat8 & 0x0f) { /* Error, so process */ |
806c35f5 AC |
758 | stat8 &= 0x0f; |
759 | membuf_error(stat8, error_found, handle_error); | |
760 | } | |
761 | } | |
762 | ||
203333cb | 763 | static void e752x_check_dram(struct mem_ctl_info *mci, |
052dfb45 DT |
764 | struct e752x_error_info *info, int *error_found, |
765 | int handle_error) | |
806c35f5 AC |
766 | { |
767 | u16 error_one, error_next; | |
768 | ||
769 | error_one = info->dram_ferr; | |
770 | error_next = info->dram_nerr; | |
771 | ||
772 | /* decode and report errors */ | |
203333cb | 773 | if (error_one & 0x0101) /* check first error correctable */ |
806c35f5 | 774 | process_ce(mci, error_one, info->dram_sec1_add, |
052dfb45 | 775 | info->dram_sec1_syndrome, error_found, handle_error); |
806c35f5 | 776 | |
203333cb | 777 | if (error_next & 0x0101) /* check next error correctable */ |
806c35f5 | 778 | process_ce(mci, error_next, info->dram_sec2_add, |
052dfb45 | 779 | info->dram_sec2_syndrome, error_found, handle_error); |
806c35f5 | 780 | |
203333cb | 781 | if (error_one & 0x4040) |
806c35f5 AC |
782 | process_ue_no_info_wr(mci, error_found, handle_error); |
783 | ||
203333cb | 784 | if (error_next & 0x4040) |
806c35f5 AC |
785 | process_ue_no_info_wr(mci, error_found, handle_error); |
786 | ||
203333cb | 787 | if (error_one & 0x2020) |
806c35f5 | 788 | process_ded_retry(mci, error_one, info->dram_retr_add, |
052dfb45 | 789 | error_found, handle_error); |
806c35f5 | 790 | |
203333cb | 791 | if (error_next & 0x2020) |
806c35f5 | 792 | process_ded_retry(mci, error_next, info->dram_retr_add, |
052dfb45 | 793 | error_found, handle_error); |
806c35f5 | 794 | |
203333cb DJ |
795 | if (error_one & 0x0808) |
796 | process_threshold_ce(mci, error_one, error_found, handle_error); | |
806c35f5 | 797 | |
203333cb | 798 | if (error_next & 0x0808) |
806c35f5 | 799 | process_threshold_ce(mci, error_next, error_found, |
052dfb45 | 800 | handle_error); |
806c35f5 | 801 | |
203333cb | 802 | if (error_one & 0x0606) |
806c35f5 | 803 | process_ue(mci, error_one, info->dram_ded_add, |
052dfb45 | 804 | info->dram_scrb_add, error_found, handle_error); |
806c35f5 | 805 | |
203333cb | 806 | if (error_next & 0x0606) |
806c35f5 | 807 | process_ue(mci, error_next, info->dram_ded_add, |
052dfb45 | 808 | info->dram_scrb_add, error_found, handle_error); |
806c35f5 AC |
809 | } |
810 | ||
203333cb DJ |
811 | static void e752x_get_error_info(struct mem_ctl_info *mci, |
812 | struct e752x_error_info *info) | |
806c35f5 AC |
813 | { |
814 | struct pci_dev *dev; | |
815 | struct e752x_pvt *pvt; | |
816 | ||
817 | memset(info, 0, sizeof(*info)); | |
203333cb | 818 | pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 | 819 | dev = pvt->dev_d0f1; |
806c35f5 AC |
820 | pci_read_config_dword(dev, E752X_FERR_GLOBAL, &info->ferr_global); |
821 | ||
822 | if (info->ferr_global) { | |
5135b797 AK |
823 | if (pvt->dev_info->err_dev == PCI_DEVICE_ID_INTEL_3100_1_ERR) { |
824 | pci_read_config_dword(dev, I3100_NSI_FERR, | |
825 | &info->nsi_ferr); | |
826 | info->hi_ferr = 0; | |
827 | } else { | |
828 | pci_read_config_byte(dev, E752X_HI_FERR, | |
829 | &info->hi_ferr); | |
830 | info->nsi_ferr = 0; | |
831 | } | |
806c35f5 | 832 | pci_read_config_word(dev, E752X_SYSBUS_FERR, |
052dfb45 | 833 | &info->sysbus_ferr); |
806c35f5 | 834 | pci_read_config_byte(dev, E752X_BUF_FERR, &info->buf_ferr); |
203333cb | 835 | pci_read_config_word(dev, E752X_DRAM_FERR, &info->dram_ferr); |
806c35f5 | 836 | pci_read_config_dword(dev, E752X_DRAM_SEC1_ADD, |
052dfb45 | 837 | &info->dram_sec1_add); |
806c35f5 | 838 | pci_read_config_word(dev, E752X_DRAM_SEC1_SYNDROME, |
052dfb45 | 839 | &info->dram_sec1_syndrome); |
806c35f5 | 840 | pci_read_config_dword(dev, E752X_DRAM_DED_ADD, |
052dfb45 | 841 | &info->dram_ded_add); |
806c35f5 | 842 | pci_read_config_dword(dev, E752X_DRAM_SCRB_ADD, |
052dfb45 | 843 | &info->dram_scrb_add); |
806c35f5 | 844 | pci_read_config_dword(dev, E752X_DRAM_RETR_ADD, |
052dfb45 | 845 | &info->dram_retr_add); |
806c35f5 | 846 | |
5135b797 | 847 | /* ignore the reserved bits just in case */ |
806c35f5 AC |
848 | if (info->hi_ferr & 0x7f) |
849 | pci_write_config_byte(dev, E752X_HI_FERR, | |
052dfb45 | 850 | info->hi_ferr); |
806c35f5 | 851 | |
5135b797 AK |
852 | if (info->nsi_ferr & NSI_ERR_MASK) |
853 | pci_write_config_dword(dev, I3100_NSI_FERR, | |
854 | info->nsi_ferr); | |
855 | ||
806c35f5 AC |
856 | if (info->sysbus_ferr) |
857 | pci_write_config_word(dev, E752X_SYSBUS_FERR, | |
052dfb45 | 858 | info->sysbus_ferr); |
806c35f5 AC |
859 | |
860 | if (info->buf_ferr & 0x0f) | |
861 | pci_write_config_byte(dev, E752X_BUF_FERR, | |
052dfb45 | 862 | info->buf_ferr); |
806c35f5 AC |
863 | |
864 | if (info->dram_ferr) | |
865 | pci_write_bits16(pvt->bridge_ck, E752X_DRAM_FERR, | |
203333cb | 866 | info->dram_ferr, info->dram_ferr); |
806c35f5 AC |
867 | |
868 | pci_write_config_dword(dev, E752X_FERR_GLOBAL, | |
052dfb45 | 869 | info->ferr_global); |
806c35f5 AC |
870 | } |
871 | ||
872 | pci_read_config_dword(dev, E752X_NERR_GLOBAL, &info->nerr_global); | |
873 | ||
874 | if (info->nerr_global) { | |
5135b797 AK |
875 | if (pvt->dev_info->err_dev == PCI_DEVICE_ID_INTEL_3100_1_ERR) { |
876 | pci_read_config_dword(dev, I3100_NSI_NERR, | |
877 | &info->nsi_nerr); | |
878 | info->hi_nerr = 0; | |
879 | } else { | |
880 | pci_read_config_byte(dev, E752X_HI_NERR, | |
881 | &info->hi_nerr); | |
882 | info->nsi_nerr = 0; | |
883 | } | |
806c35f5 | 884 | pci_read_config_word(dev, E752X_SYSBUS_NERR, |
052dfb45 | 885 | &info->sysbus_nerr); |
806c35f5 | 886 | pci_read_config_byte(dev, E752X_BUF_NERR, &info->buf_nerr); |
203333cb | 887 | pci_read_config_word(dev, E752X_DRAM_NERR, &info->dram_nerr); |
806c35f5 | 888 | pci_read_config_dword(dev, E752X_DRAM_SEC2_ADD, |
052dfb45 | 889 | &info->dram_sec2_add); |
806c35f5 | 890 | pci_read_config_word(dev, E752X_DRAM_SEC2_SYNDROME, |
052dfb45 | 891 | &info->dram_sec2_syndrome); |
806c35f5 AC |
892 | |
893 | if (info->hi_nerr & 0x7f) | |
894 | pci_write_config_byte(dev, E752X_HI_NERR, | |
052dfb45 | 895 | info->hi_nerr); |
806c35f5 | 896 | |
5135b797 AK |
897 | if (info->nsi_nerr & NSI_ERR_MASK) |
898 | pci_write_config_dword(dev, I3100_NSI_NERR, | |
899 | info->nsi_nerr); | |
900 | ||
806c35f5 AC |
901 | if (info->sysbus_nerr) |
902 | pci_write_config_word(dev, E752X_SYSBUS_NERR, | |
052dfb45 | 903 | info->sysbus_nerr); |
806c35f5 AC |
904 | |
905 | if (info->buf_nerr & 0x0f) | |
906 | pci_write_config_byte(dev, E752X_BUF_NERR, | |
052dfb45 | 907 | info->buf_nerr); |
806c35f5 AC |
908 | |
909 | if (info->dram_nerr) | |
910 | pci_write_bits16(pvt->bridge_ck, E752X_DRAM_NERR, | |
203333cb | 911 | info->dram_nerr, info->dram_nerr); |
806c35f5 AC |
912 | |
913 | pci_write_config_dword(dev, E752X_NERR_GLOBAL, | |
052dfb45 | 914 | info->nerr_global); |
806c35f5 AC |
915 | } |
916 | } | |
917 | ||
203333cb | 918 | static int e752x_process_error_info(struct mem_ctl_info *mci, |
052dfb45 DT |
919 | struct e752x_error_info *info, |
920 | int handle_errors) | |
806c35f5 AC |
921 | { |
922 | u32 error32, stat32; | |
923 | int error_found; | |
924 | ||
925 | error_found = 0; | |
926 | error32 = (info->ferr_global >> 18) & 0x3ff; | |
927 | stat32 = (info->ferr_global >> 4) & 0x7ff; | |
928 | ||
929 | if (error32) | |
930 | global_error(1, error32, &error_found, handle_errors); | |
931 | ||
932 | if (stat32) | |
933 | global_error(0, stat32, &error_found, handle_errors); | |
934 | ||
935 | error32 = (info->nerr_global >> 18) & 0x3ff; | |
936 | stat32 = (info->nerr_global >> 4) & 0x7ff; | |
937 | ||
938 | if (error32) | |
939 | global_error(1, error32, &error_found, handle_errors); | |
940 | ||
941 | if (stat32) | |
942 | global_error(0, stat32, &error_found, handle_errors); | |
943 | ||
944 | e752x_check_hub_interface(info, &error_found, handle_errors); | |
5135b797 | 945 | e752x_check_ns_interface(info, &error_found, handle_errors); |
806c35f5 AC |
946 | e752x_check_sysbus(info, &error_found, handle_errors); |
947 | e752x_check_membuf(info, &error_found, handle_errors); | |
948 | e752x_check_dram(mci, info, &error_found, handle_errors); | |
949 | return error_found; | |
950 | } | |
951 | ||
952 | static void e752x_check(struct mem_ctl_info *mci) | |
953 | { | |
954 | struct e752x_error_info info; | |
e7ecd891 | 955 | |
537fba28 | 956 | debugf3("%s()\n", __func__); |
806c35f5 AC |
957 | e752x_get_error_info(mci, &info); |
958 | e752x_process_error_info(mci, &info, 1); | |
959 | } | |
960 | ||
8004fd2a PT |
961 | /* Program byte/sec bandwidth scrub rate to hardware */ |
962 | static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *new_bw) | |
963 | { | |
964 | const struct scrubrate *scrubrates; | |
965 | struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info; | |
966 | struct pci_dev *pdev = pvt->dev_d0f0; | |
967 | int i; | |
968 | ||
969 | if (pvt->dev_info->ctl_dev == PCI_DEVICE_ID_INTEL_3100_0) | |
970 | scrubrates = scrubrates_i3100; | |
971 | else | |
972 | scrubrates = scrubrates_e752x; | |
973 | ||
974 | /* Translate the desired scrub rate to a e752x/3100 register value. | |
975 | * Search for the bandwidth that is equal or greater than the | |
976 | * desired rate and program the cooresponding register value. | |
977 | */ | |
978 | for (i = 0; scrubrates[i].bandwidth != SDRATE_EOT; i++) | |
979 | if (scrubrates[i].bandwidth >= *new_bw) | |
980 | break; | |
981 | ||
982 | if (scrubrates[i].bandwidth == SDRATE_EOT) | |
983 | return -1; | |
984 | ||
985 | pci_write_config_word(pdev, E752X_MCHSCRB, scrubrates[i].scrubval); | |
986 | ||
987 | return 0; | |
988 | } | |
989 | ||
990 | /* Convert current scrub rate value into byte/sec bandwidth */ | |
991 | static int get_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *bw) | |
992 | { | |
993 | const struct scrubrate *scrubrates; | |
994 | struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info; | |
995 | struct pci_dev *pdev = pvt->dev_d0f0; | |
996 | u16 scrubval; | |
997 | int i; | |
998 | ||
999 | if (pvt->dev_info->ctl_dev == PCI_DEVICE_ID_INTEL_3100_0) | |
1000 | scrubrates = scrubrates_i3100; | |
1001 | else | |
1002 | scrubrates = scrubrates_e752x; | |
1003 | ||
1004 | /* Find the bandwidth matching the memory scrubber configuration */ | |
1005 | pci_read_config_word(pdev, E752X_MCHSCRB, &scrubval); | |
1006 | scrubval = scrubval & 0x0f; | |
1007 | ||
1008 | for (i = 0; scrubrates[i].bandwidth != SDRATE_EOT; i++) | |
1009 | if (scrubrates[i].scrubval == scrubval) | |
1010 | break; | |
1011 | ||
1012 | if (scrubrates[i].bandwidth == SDRATE_EOT) { | |
1013 | e752x_printk(KERN_WARNING, | |
1014 | "Invalid sdram scrub control value: 0x%x\n", scrubval); | |
1015 | return -1; | |
1016 | } | |
1017 | ||
1018 | *bw = scrubrates[i].bandwidth; | |
1019 | ||
1020 | return 0; | |
1021 | } | |
1022 | ||
13189525 DT |
1023 | /* Return 1 if dual channel mode is active. Else return 0. */ |
1024 | static inline int dual_channel_active(u16 ddrcsr) | |
1025 | { | |
1026 | return (((ddrcsr >> 12) & 3) == 3); | |
1027 | } | |
1028 | ||
7297c261 MG |
1029 | /* Remap csrow index numbers if map_type is "reverse" |
1030 | */ | |
1031 | static inline int remap_csrow_index(struct mem_ctl_info *mci, int index) | |
1032 | { | |
1033 | struct e752x_pvt *pvt = mci->pvt_info; | |
1034 | ||
1035 | if (!pvt->map_type) | |
1036 | return (7 - index); | |
1037 | ||
1038 | return (index); | |
1039 | } | |
1040 | ||
13189525 | 1041 | static void e752x_init_csrows(struct mem_ctl_info *mci, struct pci_dev *pdev, |
052dfb45 | 1042 | u16 ddrcsr) |
13189525 DT |
1043 | { |
1044 | struct csrow_info *csrow; | |
1045 | unsigned long last_cumul_size; | |
1046 | int index, mem_dev, drc_chan; | |
203333cb DJ |
1047 | int drc_drbg; /* DRB granularity 0=64mb, 1=128mb */ |
1048 | int drc_ddim; /* DRAM Data Integrity Mode 0=none, 2=edac */ | |
13189525 DT |
1049 | u8 value; |
1050 | u32 dra, drc, cumul_size; | |
1051 | ||
9962fd01 | 1052 | dra = 0; |
203333cb | 1053 | for (index = 0; index < 4; index++) { |
9962fd01 | 1054 | u8 dra_reg; |
203333cb | 1055 | pci_read_config_byte(pdev, E752X_DRA + index, &dra_reg); |
9962fd01 BP |
1056 | dra |= dra_reg << (index * 8); |
1057 | } | |
13189525 DT |
1058 | pci_read_config_dword(pdev, E752X_DRC, &drc); |
1059 | drc_chan = dual_channel_active(ddrcsr); | |
203333cb | 1060 | drc_drbg = drc_chan + 1; /* 128 in dual mode, 64 in single */ |
13189525 DT |
1061 | drc_ddim = (drc >> 20) & 0x3; |
1062 | ||
1063 | /* The dram row boundary (DRB) reg values are boundary address for | |
1064 | * each DRAM row with a granularity of 64 or 128MB (single/dual | |
1065 | * channel operation). DRB regs are cumulative; therefore DRB7 will | |
1066 | * contain the total memory contained in all eight rows. | |
1067 | */ | |
1068 | for (last_cumul_size = index = 0; index < mci->nr_csrows; index++) { | |
1069 | /* mem_dev 0=x8, 1=x4 */ | |
1070 | mem_dev = (dra >> (index * 4 + 2)) & 0x3; | |
7297c261 | 1071 | csrow = &mci->csrows[remap_csrow_index(mci, index)]; |
13189525 DT |
1072 | |
1073 | mem_dev = (mem_dev == 2); | |
1074 | pci_read_config_byte(pdev, E752X_DRB + index, &value); | |
1075 | /* convert a 128 or 64 MiB DRB to a page size. */ | |
1076 | cumul_size = value << (25 + drc_drbg - PAGE_SHIFT); | |
1077 | debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, | |
1078 | cumul_size); | |
1079 | if (cumul_size == last_cumul_size) | |
1080 | continue; /* not populated */ | |
1081 | ||
1082 | csrow->first_page = last_cumul_size; | |
1083 | csrow->last_page = cumul_size - 1; | |
1084 | csrow->nr_pages = cumul_size - last_cumul_size; | |
1085 | last_cumul_size = cumul_size; | |
1086 | csrow->grain = 1 << 12; /* 4KiB - resolution of CELOG */ | |
1087 | csrow->mtype = MEM_RDDR; /* only one type supported */ | |
1088 | csrow->dtype = mem_dev ? DEV_X4 : DEV_X8; | |
1089 | ||
1090 | /* | |
1091 | * if single channel or x8 devices then SECDED | |
1092 | * if dual channel and x4 then S4ECD4ED | |
1093 | */ | |
1094 | if (drc_ddim) { | |
1095 | if (drc_chan && mem_dev) { | |
1096 | csrow->edac_mode = EDAC_S4ECD4ED; | |
1097 | mci->edac_cap |= EDAC_FLAG_S4ECD4ED; | |
1098 | } else { | |
1099 | csrow->edac_mode = EDAC_SECDED; | |
1100 | mci->edac_cap |= EDAC_FLAG_SECDED; | |
1101 | } | |
1102 | } else | |
1103 | csrow->edac_mode = EDAC_NONE; | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | static void e752x_init_mem_map_table(struct pci_dev *pdev, | |
052dfb45 | 1108 | struct e752x_pvt *pvt) |
806c35f5 | 1109 | { |
806c35f5 | 1110 | int index; |
7297c261 | 1111 | u8 value, last, row; |
13189525 DT |
1112 | |
1113 | last = 0; | |
1114 | row = 0; | |
1115 | ||
1116 | for (index = 0; index < 8; index += 2) { | |
1117 | pci_read_config_byte(pdev, E752X_DRB + index, &value); | |
1118 | /* test if there is a dimm in this slot */ | |
1119 | if (value == last) { | |
1120 | /* no dimm in the slot, so flag it as empty */ | |
1121 | pvt->map[index] = 0xff; | |
1122 | pvt->map[index + 1] = 0xff; | |
203333cb | 1123 | } else { /* there is a dimm in the slot */ |
13189525 DT |
1124 | pvt->map[index] = row; |
1125 | row++; | |
1126 | last = value; | |
1127 | /* test the next value to see if the dimm is double | |
1128 | * sided | |
1129 | */ | |
1130 | pci_read_config_byte(pdev, E752X_DRB + index + 1, | |
052dfb45 DT |
1131 | &value); |
1132 | ||
1133 | /* the dimm is single sided, so flag as empty */ | |
1134 | /* this is a double sided dimm to save the next row #*/ | |
1135 | pvt->map[index + 1] = (value == last) ? 0xff : row; | |
13189525 DT |
1136 | row++; |
1137 | last = value; | |
1138 | } | |
1139 | } | |
13189525 DT |
1140 | } |
1141 | ||
1142 | /* Return 0 on success or 1 on failure. */ | |
1143 | static int e752x_get_devs(struct pci_dev *pdev, int dev_idx, | |
052dfb45 | 1144 | struct e752x_pvt *pvt) |
13189525 DT |
1145 | { |
1146 | struct pci_dev *dev; | |
1147 | ||
1148 | pvt->bridge_ck = pci_get_device(PCI_VENDOR_ID_INTEL, | |
10d33e9c | 1149 | pvt->dev_info->err_dev, pvt->bridge_ck); |
13189525 DT |
1150 | |
1151 | if (pvt->bridge_ck == NULL) | |
1152 | pvt->bridge_ck = pci_scan_single_device(pdev->bus, | |
1153 | PCI_DEVFN(0, 1)); | |
1154 | ||
1155 | if (pvt->bridge_ck == NULL) { | |
1156 | e752x_printk(KERN_ERR, "error reporting device not found:" | |
052dfb45 DT |
1157 | "vendor %x device 0x%x (broken BIOS?)\n", |
1158 | PCI_VENDOR_ID_INTEL, e752x_devs[dev_idx].err_dev); | |
13189525 DT |
1159 | return 1; |
1160 | } | |
1161 | ||
10d33e9c DT |
1162 | dev = pci_get_device(PCI_VENDOR_ID_INTEL, |
1163 | e752x_devs[dev_idx].ctl_dev, | |
1164 | NULL); | |
13189525 DT |
1165 | |
1166 | if (dev == NULL) | |
1167 | goto fail; | |
1168 | ||
1169 | pvt->dev_d0f0 = dev; | |
1170 | pvt->dev_d0f1 = pci_dev_get(pvt->bridge_ck); | |
1171 | ||
1172 | return 0; | |
1173 | ||
052dfb45 | 1174 | fail: |
13189525 DT |
1175 | pci_dev_put(pvt->bridge_ck); |
1176 | return 1; | |
1177 | } | |
1178 | ||
94ee1cf5 PT |
1179 | /* Setup system bus parity mask register. |
1180 | * Sysbus parity supported on: | |
8de5c1a1 | 1181 | * e7320/e7520/e7525 + Xeon |
94ee1cf5 PT |
1182 | */ |
1183 | static void e752x_init_sysbus_parity_mask(struct e752x_pvt *pvt) | |
1184 | { | |
1185 | char *cpu_id = cpu_data(0).x86_model_id; | |
1186 | struct pci_dev *dev = pvt->dev_d0f1; | |
1187 | int enable = 1; | |
1188 | ||
98a1708d | 1189 | /* Allow module parameter override, else see if CPU supports parity */ |
94ee1cf5 PT |
1190 | if (sysbus_parity != -1) { |
1191 | enable = sysbus_parity; | |
8de5c1a1 | 1192 | } else if (cpu_id[0] && !strstr(cpu_id, "Xeon")) { |
94ee1cf5 PT |
1193 | e752x_printk(KERN_INFO, "System Bus Parity not " |
1194 | "supported by CPU, disabling\n"); | |
1195 | enable = 0; | |
1196 | } | |
1197 | ||
1198 | if (enable) | |
1199 | pci_write_config_word(dev, E752X_SYSBUS_ERRMASK, 0x0000); | |
1200 | else | |
1201 | pci_write_config_word(dev, E752X_SYSBUS_ERRMASK, 0x0309); | |
1202 | } | |
1203 | ||
13189525 DT |
1204 | static void e752x_init_error_reporting_regs(struct e752x_pvt *pvt) |
1205 | { | |
1206 | struct pci_dev *dev; | |
1207 | ||
1208 | dev = pvt->dev_d0f1; | |
1209 | /* Turn off error disable & SMI in case the BIOS turned it on */ | |
5135b797 AK |
1210 | if (pvt->dev_info->err_dev == PCI_DEVICE_ID_INTEL_3100_1_ERR) { |
1211 | pci_write_config_dword(dev, I3100_NSI_EMASK, 0); | |
1212 | pci_write_config_dword(dev, I3100_NSI_SMICMD, 0); | |
1213 | } else { | |
1214 | pci_write_config_byte(dev, E752X_HI_ERRMASK, 0x00); | |
1215 | pci_write_config_byte(dev, E752X_HI_SMICMD, 0x00); | |
1216 | } | |
94ee1cf5 PT |
1217 | |
1218 | e752x_init_sysbus_parity_mask(pvt); | |
1219 | ||
13189525 DT |
1220 | pci_write_config_word(dev, E752X_SYSBUS_SMICMD, 0x00); |
1221 | pci_write_config_byte(dev, E752X_BUF_ERRMASK, 0x00); | |
1222 | pci_write_config_byte(dev, E752X_BUF_SMICMD, 0x00); | |
1223 | pci_write_config_byte(dev, E752X_DRAM_ERRMASK, 0x00); | |
1224 | pci_write_config_byte(dev, E752X_DRAM_SMICMD, 0x00); | |
1225 | } | |
1226 | ||
1227 | static int e752x_probe1(struct pci_dev *pdev, int dev_idx) | |
1228 | { | |
3847bccc | 1229 | u16 pci_data; |
806c35f5 | 1230 | u8 stat8; |
13189525 DT |
1231 | struct mem_ctl_info *mci; |
1232 | struct e752x_pvt *pvt; | |
806c35f5 | 1233 | u16 ddrcsr; |
203333cb | 1234 | int drc_chan; /* Number of channels 0=1chan,1=2chan */ |
749ede57 | 1235 | struct e752x_error_info discard; |
806c35f5 | 1236 | |
537fba28 | 1237 | debugf0("%s(): mci\n", __func__); |
806c35f5 AC |
1238 | debugf0("Starting Probe1\n"); |
1239 | ||
96941026 | 1240 | /* check to see if device 0 function 1 is enabled; if it isn't, we |
1241 | * assume the BIOS has reserved it for a reason and is expecting | |
1242 | * exclusive access, we take care not to violate that assumption and | |
1243 | * fail the probe. */ | |
806c35f5 | 1244 | pci_read_config_byte(pdev, E752X_DEVPRES1, &stat8); |
96941026 | 1245 | if (!force_function_unhide && !(stat8 & (1 << 5))) { |
1246 | printk(KERN_INFO "Contact your BIOS vendor to see if the " | |
052dfb45 | 1247 | "E752x error registers can be safely un-hidden\n"); |
f9b5a5d1 | 1248 | return -ENODEV; |
96941026 | 1249 | } |
806c35f5 AC |
1250 | stat8 |= (1 << 5); |
1251 | pci_write_config_byte(pdev, E752X_DEVPRES1, stat8); | |
1252 | ||
806c35f5 AC |
1253 | pci_read_config_word(pdev, E752X_DDRCSR, &ddrcsr); |
1254 | /* FIXME: should check >>12 or 0xf, true for all? */ | |
1255 | /* Dual channel = 1, Single channel = 0 */ | |
13189525 | 1256 | drc_chan = dual_channel_active(ddrcsr); |
806c35f5 | 1257 | |
b8f6f975 | 1258 | mci = edac_mc_alloc(sizeof(*pvt), E752X_NR_CSROWS, drc_chan + 1, 0); |
806c35f5 AC |
1259 | |
1260 | if (mci == NULL) { | |
13189525 | 1261 | return -ENOMEM; |
806c35f5 AC |
1262 | } |
1263 | ||
537fba28 | 1264 | debugf3("%s(): init mci\n", __func__); |
806c35f5 | 1265 | mci->mtype_cap = MEM_FLAG_RDDR; |
5135b797 AK |
1266 | /* 3100 IMCH supports SECDEC only */ |
1267 | mci->edac_ctl_cap = (dev_idx == I3100) ? EDAC_FLAG_SECDED : | |
1268 | (EDAC_FLAG_NONE | EDAC_FLAG_SECDED | EDAC_FLAG_S4ECD4ED); | |
806c35f5 | 1269 | /* FIXME - what if different memory types are in different csrows? */ |
680cbbbb | 1270 | mci->mod_name = EDAC_MOD_STR; |
37f04581 DT |
1271 | mci->mod_ver = E752X_REVISION; |
1272 | mci->dev = &pdev->dev; | |
806c35f5 | 1273 | |
537fba28 | 1274 | debugf3("%s(): init pvt\n", __func__); |
203333cb | 1275 | pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 | 1276 | pvt->dev_info = &e752x_devs[dev_idx]; |
13189525 | 1277 | pvt->mc_symmetric = ((ddrcsr & 0x10) != 0); |
e7ecd891 | 1278 | |
13189525 DT |
1279 | if (e752x_get_devs(pdev, dev_idx, pvt)) { |
1280 | edac_mc_free(mci); | |
1281 | return -ENODEV; | |
806c35f5 | 1282 | } |
806c35f5 | 1283 | |
537fba28 | 1284 | debugf3("%s(): more mci init\n", __func__); |
806c35f5 | 1285 | mci->ctl_name = pvt->dev_info->ctl_name; |
c4192705 | 1286 | mci->dev_name = pci_name(pdev); |
806c35f5 AC |
1287 | mci->edac_check = e752x_check; |
1288 | mci->ctl_page_to_phys = ctl_page_to_phys; | |
8004fd2a PT |
1289 | mci->set_sdram_scrub_rate = set_sdram_scrub_rate; |
1290 | mci->get_sdram_scrub_rate = get_sdram_scrub_rate; | |
806c35f5 | 1291 | |
7297c261 MG |
1292 | /* set the map type. 1 = normal, 0 = reversed |
1293 | * Must be set before e752x_init_csrows in case csrow mapping | |
1294 | * is reversed. | |
1295 | */ | |
37f04581 | 1296 | pci_read_config_byte(pdev, E752X_DRM, &stat8); |
806c35f5 AC |
1297 | pvt->map_type = ((stat8 & 0x0f) > ((stat8 >> 4) & 0x0f)); |
1298 | ||
7297c261 MG |
1299 | e752x_init_csrows(mci, pdev, ddrcsr); |
1300 | e752x_init_mem_map_table(pdev, pvt); | |
1301 | ||
5135b797 AK |
1302 | if (dev_idx == I3100) |
1303 | mci->edac_cap = EDAC_FLAG_SECDED; /* the only mode supported */ | |
1304 | else | |
1305 | mci->edac_cap |= EDAC_FLAG_NONE; | |
537fba28 | 1306 | debugf3("%s(): tolm, remapbase, remaplimit\n", __func__); |
e7ecd891 | 1307 | |
806c35f5 | 1308 | /* load the top of low memory, remap base, and remap limit vars */ |
37f04581 | 1309 | pci_read_config_word(pdev, E752X_TOLM, &pci_data); |
806c35f5 | 1310 | pvt->tolm = ((u32) pci_data) << 4; |
37f04581 | 1311 | pci_read_config_word(pdev, E752X_REMAPBASE, &pci_data); |
806c35f5 | 1312 | pvt->remapbase = ((u32) pci_data) << 14; |
37f04581 | 1313 | pci_read_config_word(pdev, E752X_REMAPLIMIT, &pci_data); |
806c35f5 | 1314 | pvt->remaplimit = ((u32) pci_data) << 14; |
537fba28 | 1315 | e752x_printk(KERN_INFO, |
052dfb45 DT |
1316 | "tolm = %x, remapbase = %x, remaplimit = %x\n", |
1317 | pvt->tolm, pvt->remapbase, pvt->remaplimit); | |
806c35f5 | 1318 | |
2d7bbb91 DT |
1319 | /* Here we assume that we will never see multiple instances of this |
1320 | * type of memory controller. The ID is therefore hardcoded to 0. | |
1321 | */ | |
b8f6f975 | 1322 | if (edac_mc_add_mc(mci)) { |
537fba28 | 1323 | debugf3("%s(): failed edac_mc_add_mc()\n", __func__); |
806c35f5 AC |
1324 | goto fail; |
1325 | } | |
1326 | ||
13189525 | 1327 | e752x_init_error_reporting_regs(pvt); |
203333cb | 1328 | e752x_get_error_info(mci, &discard); /* clear other MCH errors */ |
806c35f5 | 1329 | |
91b99041 DJ |
1330 | /* allocating generic PCI control info */ |
1331 | e752x_pci = edac_pci_create_generic_ctl(&pdev->dev, EDAC_MOD_STR); | |
1332 | if (!e752x_pci) { | |
1333 | printk(KERN_WARNING | |
052dfb45 | 1334 | "%s(): Unable to create PCI control\n", __func__); |
91b99041 | 1335 | printk(KERN_WARNING |
052dfb45 DT |
1336 | "%s(): PCI error report via EDAC not setup\n", |
1337 | __func__); | |
91b99041 DJ |
1338 | } |
1339 | ||
806c35f5 | 1340 | /* get this far and it's successful */ |
537fba28 | 1341 | debugf3("%s(): success\n", __func__); |
806c35f5 AC |
1342 | return 0; |
1343 | ||
052dfb45 | 1344 | fail: |
13189525 DT |
1345 | pci_dev_put(pvt->dev_d0f0); |
1346 | pci_dev_put(pvt->dev_d0f1); | |
1347 | pci_dev_put(pvt->bridge_ck); | |
1348 | edac_mc_free(mci); | |
e7ecd891 | 1349 | |
13189525 | 1350 | return -ENODEV; |
806c35f5 AC |
1351 | } |
1352 | ||
1353 | /* returns count (>= 0), or negative on error */ | |
1354 | static int __devinit e752x_init_one(struct pci_dev *pdev, | |
052dfb45 | 1355 | const struct pci_device_id *ent) |
806c35f5 | 1356 | { |
537fba28 | 1357 | debugf0("%s()\n", __func__); |
806c35f5 AC |
1358 | |
1359 | /* wake up and enable device */ | |
203333cb | 1360 | if (pci_enable_device(pdev) < 0) |
806c35f5 | 1361 | return -EIO; |
e7ecd891 | 1362 | |
806c35f5 AC |
1363 | return e752x_probe1(pdev, ent->driver_data); |
1364 | } | |
1365 | ||
806c35f5 AC |
1366 | static void __devexit e752x_remove_one(struct pci_dev *pdev) |
1367 | { | |
1368 | struct mem_ctl_info *mci; | |
1369 | struct e752x_pvt *pvt; | |
1370 | ||
537fba28 | 1371 | debugf0("%s()\n", __func__); |
806c35f5 | 1372 | |
91b99041 DJ |
1373 | if (e752x_pci) |
1374 | edac_pci_release_generic_ctl(e752x_pci); | |
1375 | ||
37f04581 | 1376 | if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL) |
806c35f5 AC |
1377 | return; |
1378 | ||
203333cb | 1379 | pvt = (struct e752x_pvt *)mci->pvt_info; |
806c35f5 AC |
1380 | pci_dev_put(pvt->dev_d0f0); |
1381 | pci_dev_put(pvt->dev_d0f1); | |
1382 | pci_dev_put(pvt->bridge_ck); | |
1383 | edac_mc_free(mci); | |
1384 | } | |
1385 | ||
806c35f5 | 1386 | static const struct pci_device_id e752x_pci_tbl[] __devinitdata = { |
e7ecd891 | 1387 | { |
203333cb DJ |
1388 | PCI_VEND_DEV(INTEL, 7520_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, |
1389 | E7520}, | |
e7ecd891 | 1390 | { |
203333cb DJ |
1391 | PCI_VEND_DEV(INTEL, 7525_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, |
1392 | E7525}, | |
e7ecd891 | 1393 | { |
203333cb DJ |
1394 | PCI_VEND_DEV(INTEL, 7320_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, |
1395 | E7320}, | |
5135b797 AK |
1396 | { |
1397 | PCI_VEND_DEV(INTEL, 3100_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, | |
1398 | I3100}, | |
e7ecd891 | 1399 | { |
203333cb DJ |
1400 | 0, |
1401 | } /* 0 terminated list. */ | |
806c35f5 AC |
1402 | }; |
1403 | ||
1404 | MODULE_DEVICE_TABLE(pci, e752x_pci_tbl); | |
1405 | ||
806c35f5 | 1406 | static struct pci_driver e752x_driver = { |
680cbbbb | 1407 | .name = EDAC_MOD_STR, |
0d38b049 RD |
1408 | .probe = e752x_init_one, |
1409 | .remove = __devexit_p(e752x_remove_one), | |
1410 | .id_table = e752x_pci_tbl, | |
806c35f5 AC |
1411 | }; |
1412 | ||
da9bb1d2 | 1413 | static int __init e752x_init(void) |
806c35f5 AC |
1414 | { |
1415 | int pci_rc; | |
1416 | ||
537fba28 | 1417 | debugf3("%s()\n", __func__); |
c3c52bce HM |
1418 | |
1419 | /* Ensure that the OPSTATE is set correctly for POLL or NMI */ | |
1420 | opstate_init(); | |
1421 | ||
806c35f5 AC |
1422 | pci_rc = pci_register_driver(&e752x_driver); |
1423 | return (pci_rc < 0) ? pci_rc : 0; | |
1424 | } | |
1425 | ||
806c35f5 AC |
1426 | static void __exit e752x_exit(void) |
1427 | { | |
537fba28 | 1428 | debugf3("%s()\n", __func__); |
806c35f5 AC |
1429 | pci_unregister_driver(&e752x_driver); |
1430 | } | |
1431 | ||
806c35f5 AC |
1432 | module_init(e752x_init); |
1433 | module_exit(e752x_exit); | |
1434 | ||
1435 | MODULE_LICENSE("GPL"); | |
1436 | MODULE_AUTHOR("Linux Networx (http://lnxi.com) Tom Zimmerman\n"); | |
5135b797 | 1437 | MODULE_DESCRIPTION("MC support for Intel e752x/3100 memory controllers"); |
96941026 | 1438 | |
1439 | module_param(force_function_unhide, int, 0444); | |
1440 | MODULE_PARM_DESC(force_function_unhide, "if BIOS sets Dev0:Fun1 up as hidden:" | |
10d33e9c DT |
1441 | " 1=force unhide and hope BIOS doesn't fight driver for " |
1442 | "Dev0:Fun1 access"); | |
c3c52bce | 1443 | |
c0d12172 DJ |
1444 | module_param(edac_op_state, int, 0444); |
1445 | MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); | |
94ee1cf5 PT |
1446 | |
1447 | module_param(sysbus_parity, int, 0444); | |
1448 | MODULE_PARM_DESC(sysbus_parity, "0=disable system bus parity checking," | |
1449 | " 1=enable system bus parity checking, default=auto-detect"); | |
10d33e9c DT |
1450 | module_param(report_non_memory_errors, int, 0644); |
1451 | MODULE_PARM_DESC(report_non_memory_errors, "0=disable non-memory error " | |
1452 | "reporting, 1=enable non-memory error reporting"); |