diff options
Diffstat (limited to 'drivers/edac/i82860_edac.c')
-rw-r--r-- | drivers/edac/i82860_edac.c | 127 |
1 files changed, 76 insertions, 51 deletions
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c index 52596e75f9c2..fd342163cf97 100644 --- a/drivers/edac/i82860_edac.c +++ b/drivers/edac/i82860_edac.c | |||
@@ -9,7 +9,6 @@ | |||
9 | * by Thayne Harbaugh of Linux Networx. (http://lnxi.com) | 9 | * by Thayne Harbaugh of Linux Networx. (http://lnxi.com) |
10 | */ | 10 | */ |
11 | 11 | ||
12 | |||
13 | #include <linux/config.h> | 12 | #include <linux/config.h> |
14 | #include <linux/module.h> | 13 | #include <linux/module.h> |
15 | #include <linux/init.h> | 14 | #include <linux/init.h> |
@@ -18,6 +17,11 @@ | |||
18 | #include <linux/slab.h> | 17 | #include <linux/slab.h> |
19 | #include "edac_mc.h" | 18 | #include "edac_mc.h" |
20 | 19 | ||
20 | #define i82860_printk(level, fmt, arg...) \ | ||
21 | edac_printk(level, "i82860", fmt, ##arg) | ||
22 | |||
23 | #define i82860_mc_printk(mci, level, fmt, arg...) \ | ||
24 | edac_mc_chipset_printk(mci, level, "i82860", fmt, ##arg) | ||
21 | 25 | ||
22 | #ifndef PCI_DEVICE_ID_INTEL_82860_0 | 26 | #ifndef PCI_DEVICE_ID_INTEL_82860_0 |
23 | #define PCI_DEVICE_ID_INTEL_82860_0 0x2531 | 27 | #define PCI_DEVICE_ID_INTEL_82860_0 0x2531 |
@@ -48,15 +52,15 @@ struct i82860_error_info { | |||
48 | 52 | ||
49 | static const struct i82860_dev_info i82860_devs[] = { | 53 | static const struct i82860_dev_info i82860_devs[] = { |
50 | [I82860] = { | 54 | [I82860] = { |
51 | .ctl_name = "i82860"}, | 55 | .ctl_name = "i82860" |
56 | }, | ||
52 | }; | 57 | }; |
53 | 58 | ||
54 | static struct pci_dev *mci_pdev = NULL; /* init dev: in case that AGP code | 59 | static struct pci_dev *mci_pdev = NULL; /* init dev: in case that AGP code |
55 | has already registered driver */ | 60 | * has already registered driver |
61 | */ | ||
56 | 62 | ||
57 | static int i82860_registered = 1; | 63 | static void i82860_get_error_info(struct mem_ctl_info *mci, |
58 | |||
59 | static void i82860_get_error_info (struct mem_ctl_info *mci, | ||
60 | struct i82860_error_info *info) | 64 | struct i82860_error_info *info) |
61 | { | 65 | { |
62 | /* | 66 | /* |
@@ -78,14 +82,15 @@ static void i82860_get_error_info (struct mem_ctl_info *mci, | |||
78 | */ | 82 | */ |
79 | if (!(info->errsts2 & 0x0003)) | 83 | if (!(info->errsts2 & 0x0003)) |
80 | return; | 84 | return; |
85 | |||
81 | if ((info->errsts ^ info->errsts2) & 0x0003) { | 86 | if ((info->errsts ^ info->errsts2) & 0x0003) { |
82 | pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap); | 87 | pci_read_config_dword(mci->pdev, I82860_EAP, &info->eap); |
83 | pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, | 88 | pci_read_config_word(mci->pdev, I82860_DERRCTL_STS, |
84 | &info->derrsyn); | 89 | &info->derrsyn); |
85 | } | 90 | } |
86 | } | 91 | } |
87 | 92 | ||
88 | static int i82860_process_error_info (struct mem_ctl_info *mci, | 93 | static int i82860_process_error_info(struct mem_ctl_info *mci, |
89 | struct i82860_error_info *info, int handle_errors) | 94 | struct i82860_error_info *info, int handle_errors) |
90 | { | 95 | { |
91 | int row; | 96 | int row; |
@@ -107,8 +112,8 @@ static int i82860_process_error_info (struct mem_ctl_info *mci, | |||
107 | if (info->errsts & 0x0002) | 112 | if (info->errsts & 0x0002) |
108 | edac_mc_handle_ue(mci, info->eap, 0, row, "i82860 UE"); | 113 | edac_mc_handle_ue(mci, info->eap, 0, row, "i82860 UE"); |
109 | else | 114 | else |
110 | edac_mc_handle_ce(mci, info->eap, 0, info->derrsyn, row, | 115 | edac_mc_handle_ce(mci, info->eap, 0, info->derrsyn, row, 0, |
111 | 0, "i82860 UE"); | 116 | "i82860 UE"); |
112 | 117 | ||
113 | return 1; | 118 | return 1; |
114 | } | 119 | } |
@@ -117,7 +122,7 @@ static void i82860_check(struct mem_ctl_info *mci) | |||
117 | { | 122 | { |
118 | struct i82860_error_info info; | 123 | struct i82860_error_info info; |
119 | 124 | ||
120 | debugf1("MC%d: " __FILE__ ": %s()\n", mci->mc_idx, __func__); | 125 | debugf1("MC%d: %s()\n", mci->mc_idx, __func__); |
121 | i82860_get_error_info(mci, &info); | 126 | i82860_get_error_info(mci, &info); |
122 | i82860_process_error_info(mci, &info, 1); | 127 | i82860_process_error_info(mci, &info, 1); |
123 | } | 128 | } |
@@ -128,6 +133,7 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) | |||
128 | int index; | 133 | int index; |
129 | struct mem_ctl_info *mci = NULL; | 134 | struct mem_ctl_info *mci = NULL; |
130 | unsigned long last_cumul_size; | 135 | unsigned long last_cumul_size; |
136 | struct i82860_error_info discard; | ||
131 | 137 | ||
132 | u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ | 138 | u16 mchcfg_ddim; /* DRAM Data Integrity Mode 0=none,2=edac */ |
133 | 139 | ||
@@ -140,21 +146,20 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) | |||
140 | going to make 1 channel for group. | 146 | going to make 1 channel for group. |
141 | */ | 147 | */ |
142 | mci = edac_mc_alloc(0, 16, 1); | 148 | mci = edac_mc_alloc(0, 16, 1); |
149 | |||
143 | if (!mci) | 150 | if (!mci) |
144 | return -ENOMEM; | 151 | return -ENOMEM; |
145 | 152 | ||
146 | debugf3("MC: " __FILE__ ": %s(): init mci\n", __func__); | 153 | debugf3("%s(): init mci\n", __func__); |
147 | |||
148 | mci->pdev = pdev; | 154 | mci->pdev = pdev; |
149 | mci->mtype_cap = MEM_FLAG_DDR; | 155 | mci->mtype_cap = MEM_FLAG_DDR; |
150 | 156 | ||
151 | |||
152 | mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; | 157 | mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED; |
153 | /* I"m not sure about this but I think that all RDRAM is SECDED */ | 158 | /* I"m not sure about this but I think that all RDRAM is SECDED */ |
154 | mci->edac_cap = EDAC_FLAG_SECDED; | 159 | mci->edac_cap = EDAC_FLAG_SECDED; |
155 | /* adjust FLAGS */ | 160 | /* adjust FLAGS */ |
156 | 161 | ||
157 | mci->mod_name = BS_MOD_STR; | 162 | mci->mod_name = EDAC_MOD_STR; |
158 | mci->mod_ver = "$Revision: 1.1.2.6 $"; | 163 | mci->mod_ver = "$Revision: 1.1.2.6 $"; |
159 | mci->ctl_name = i82860_devs[dev_idx].ctl_name; | 164 | mci->ctl_name = i82860_devs[dev_idx].ctl_name; |
160 | mci->edac_check = i82860_check; | 165 | mci->edac_check = i82860_check; |
@@ -175,12 +180,13 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) | |||
175 | struct csrow_info *csrow = &mci->csrows[index]; | 180 | struct csrow_info *csrow = &mci->csrows[index]; |
176 | 181 | ||
177 | pci_read_config_word(mci->pdev, I82860_GBA + index * 2, | 182 | pci_read_config_word(mci->pdev, I82860_GBA + index * 2, |
178 | &value); | 183 | &value); |
179 | 184 | ||
180 | cumul_size = (value & I82860_GBA_MASK) << | 185 | cumul_size = (value & I82860_GBA_MASK) << |
181 | (I82860_GBA_SHIFT - PAGE_SHIFT); | 186 | (I82860_GBA_SHIFT - PAGE_SHIFT); |
182 | debugf3("MC: " __FILE__ ": %s(): (%d) cumul_size 0x%x\n", | 187 | debugf3("%s(): (%d) cumul_size 0x%x\n", __func__, index, |
183 | __func__, index, cumul_size); | 188 | cumul_size); |
189 | |||
184 | if (cumul_size == last_cumul_size) | 190 | if (cumul_size == last_cumul_size) |
185 | continue; /* not populated */ | 191 | continue; /* not populated */ |
186 | 192 | ||
@@ -188,42 +194,43 @@ static int i82860_probe1(struct pci_dev *pdev, int dev_idx) | |||
188 | csrow->last_page = cumul_size - 1; | 194 | csrow->last_page = cumul_size - 1; |
189 | csrow->nr_pages = cumul_size - last_cumul_size; | 195 | csrow->nr_pages = cumul_size - last_cumul_size; |
190 | last_cumul_size = cumul_size; | 196 | last_cumul_size = cumul_size; |
191 | csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */ | 197 | csrow->grain = 1 << 12; /* I82860_EAP has 4KiB reolution */ |
192 | csrow->mtype = MEM_RMBS; | 198 | csrow->mtype = MEM_RMBS; |
193 | csrow->dtype = DEV_UNKNOWN; | 199 | csrow->dtype = DEV_UNKNOWN; |
194 | csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE; | 200 | csrow->edac_mode = mchcfg_ddim ? EDAC_SECDED : EDAC_NONE; |
195 | } | 201 | } |
196 | 202 | ||
197 | /* clear counters */ | 203 | i82860_get_error_info(mci, &discard); /* clear counters */ |
198 | pci_write_bits16(mci->pdev, I82860_ERRSTS, 0x0003, 0x0003); | ||
199 | 204 | ||
200 | if (edac_mc_add_mc(mci)) { | 205 | if (edac_mc_add_mc(mci)) { |
201 | debugf3("MC: " __FILE__ | 206 | debugf3("%s(): failed edac_mc_add_mc()\n", __func__); |
202 | ": %s(): failed edac_mc_add_mc()\n", | ||
203 | __func__); | ||
204 | edac_mc_free(mci); | 207 | edac_mc_free(mci); |
205 | } else { | 208 | } else { |
206 | /* get this far and it's successful */ | 209 | /* get this far and it's successful */ |
207 | debugf3("MC: " __FILE__ ": %s(): success\n", __func__); | 210 | debugf3("%s(): success\n", __func__); |
208 | rc = 0; | 211 | rc = 0; |
209 | } | 212 | } |
213 | |||
210 | return rc; | 214 | return rc; |
211 | } | 215 | } |
212 | 216 | ||
213 | /* returns count (>= 0), or negative on error */ | 217 | /* returns count (>= 0), or negative on error */ |
214 | static int __devinit i82860_init_one(struct pci_dev *pdev, | 218 | static int __devinit i82860_init_one(struct pci_dev *pdev, |
215 | const struct pci_device_id *ent) | 219 | const struct pci_device_id *ent) |
216 | { | 220 | { |
217 | int rc; | 221 | int rc; |
218 | 222 | ||
219 | debugf0("MC: " __FILE__ ": %s()\n", __func__); | 223 | debugf0("%s()\n", __func__); |
224 | i82860_printk(KERN_INFO, "i82860 init one\n"); | ||
220 | 225 | ||
221 | printk(KERN_INFO "i82860 init one\n"); | 226 | if (pci_enable_device(pdev) < 0) |
222 | if(pci_enable_device(pdev) < 0) | ||
223 | return -EIO; | 227 | return -EIO; |
228 | |||
224 | rc = i82860_probe1(pdev, ent->driver_data); | 229 | rc = i82860_probe1(pdev, ent->driver_data); |
225 | if(rc == 0) | 230 | |
231 | if (rc == 0) | ||
226 | mci_pdev = pci_dev_get(pdev); | 232 | mci_pdev = pci_dev_get(pdev); |
233 | |||
227 | return rc; | 234 | return rc; |
228 | } | 235 | } |
229 | 236 | ||
@@ -231,23 +238,28 @@ static void __devexit i82860_remove_one(struct pci_dev *pdev) | |||
231 | { | 238 | { |
232 | struct mem_ctl_info *mci; | 239 | struct mem_ctl_info *mci; |
233 | 240 | ||
234 | debugf0(__FILE__ ": %s()\n", __func__); | 241 | debugf0("%s()\n", __func__); |
235 | 242 | ||
236 | mci = edac_mc_find_mci_by_pdev(pdev); | 243 | if ((mci = edac_mc_del_mc(pdev)) == NULL) |
237 | if ((mci != NULL) && (edac_mc_del_mc(mci) == 0)) | 244 | return; |
238 | edac_mc_free(mci); | 245 | |
246 | edac_mc_free(mci); | ||
239 | } | 247 | } |
240 | 248 | ||
241 | static const struct pci_device_id i82860_pci_tbl[] __devinitdata = { | 249 | static const struct pci_device_id i82860_pci_tbl[] __devinitdata = { |
242 | {PCI_VEND_DEV(INTEL, 82860_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, | 250 | { |
243 | I82860}, | 251 | PCI_VEND_DEV(INTEL, 82860_0), PCI_ANY_ID, PCI_ANY_ID, 0, 0, |
244 | {0,} /* 0 terminated list. */ | 252 | I82860 |
253 | }, | ||
254 | { | ||
255 | 0, | ||
256 | } /* 0 terminated list. */ | ||
245 | }; | 257 | }; |
246 | 258 | ||
247 | MODULE_DEVICE_TABLE(pci, i82860_pci_tbl); | 259 | MODULE_DEVICE_TABLE(pci, i82860_pci_tbl); |
248 | 260 | ||
249 | static struct pci_driver i82860_driver = { | 261 | static struct pci_driver i82860_driver = { |
250 | .name = BS_MOD_STR, | 262 | .name = EDAC_MOD_STR, |
251 | .probe = i82860_init_one, | 263 | .probe = i82860_init_one, |
252 | .remove = __devexit_p(i82860_remove_one), | 264 | .remove = __devexit_p(i82860_remove_one), |
253 | .id_table = i82860_pci_tbl, | 265 | .id_table = i82860_pci_tbl, |
@@ -257,43 +269,56 @@ static int __init i82860_init(void) | |||
257 | { | 269 | { |
258 | int pci_rc; | 270 | int pci_rc; |
259 | 271 | ||
260 | debugf3("MC: " __FILE__ ": %s()\n", __func__); | 272 | debugf3("%s()\n", __func__); |
273 | |||
261 | if ((pci_rc = pci_register_driver(&i82860_driver)) < 0) | 274 | if ((pci_rc = pci_register_driver(&i82860_driver)) < 0) |
262 | return pci_rc; | 275 | goto fail0; |
263 | 276 | ||
264 | if (!mci_pdev) { | 277 | if (!mci_pdev) { |
265 | i82860_registered = 0; | ||
266 | mci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL, | 278 | mci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL, |
267 | PCI_DEVICE_ID_INTEL_82860_0, NULL); | 279 | PCI_DEVICE_ID_INTEL_82860_0, NULL); |
280 | |||
268 | if (mci_pdev == NULL) { | 281 | if (mci_pdev == NULL) { |
269 | debugf0("860 pci_get_device fail\n"); | 282 | debugf0("860 pci_get_device fail\n"); |
270 | return -ENODEV; | 283 | pci_rc = -ENODEV; |
284 | goto fail1; | ||
271 | } | 285 | } |
286 | |||
272 | pci_rc = i82860_init_one(mci_pdev, i82860_pci_tbl); | 287 | pci_rc = i82860_init_one(mci_pdev, i82860_pci_tbl); |
288 | |||
273 | if (pci_rc < 0) { | 289 | if (pci_rc < 0) { |
274 | debugf0("860 init fail\n"); | 290 | debugf0("860 init fail\n"); |
275 | pci_dev_put(mci_pdev); | 291 | pci_rc = -ENODEV; |
276 | return -ENODEV; | 292 | goto fail1; |
277 | } | 293 | } |
278 | } | 294 | } |
295 | |||
279 | return 0; | 296 | return 0; |
297 | |||
298 | fail1: | ||
299 | pci_unregister_driver(&i82860_driver); | ||
300 | |||
301 | fail0: | ||
302 | if (mci_pdev != NULL) | ||
303 | pci_dev_put(mci_pdev); | ||
304 | |||
305 | return pci_rc; | ||
280 | } | 306 | } |
281 | 307 | ||
282 | static void __exit i82860_exit(void) | 308 | static void __exit i82860_exit(void) |
283 | { | 309 | { |
284 | debugf3("MC: " __FILE__ ": %s()\n", __func__); | 310 | debugf3("%s()\n", __func__); |
285 | 311 | ||
286 | pci_unregister_driver(&i82860_driver); | 312 | pci_unregister_driver(&i82860_driver); |
287 | if (!i82860_registered) { | 313 | |
288 | i82860_remove_one(mci_pdev); | 314 | if (mci_pdev != NULL) |
289 | pci_dev_put(mci_pdev); | 315 | pci_dev_put(mci_pdev); |
290 | } | ||
291 | } | 316 | } |
292 | 317 | ||
293 | module_init(i82860_init); | 318 | module_init(i82860_init); |
294 | module_exit(i82860_exit); | 319 | module_exit(i82860_exit); |
295 | 320 | ||
296 | MODULE_LICENSE("GPL"); | 321 | MODULE_LICENSE("GPL"); |
297 | MODULE_AUTHOR | 322 | MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com) " |
298 | ("Red Hat Inc. (http://www.redhat.com.com) Ben Woodard <woodard@redhat.com>"); | 323 | "Ben Woodard <woodard@redhat.com>"); |
299 | MODULE_DESCRIPTION("ECC support for Intel 82860 memory hub controllers"); | 324 | MODULE_DESCRIPTION("ECC support for Intel 82860 memory hub controllers"); |