Lines Matching +full:channel +full:- +full:9
3 * Copyright (C) 2008-2009 Akamai Technologies, Inc.
18 #include <linux/io-64-nonatomic-lo-hi.h>
29 /* Intel 3200 register addresses - device 0 function 0 - DRAM Controller */
39 * 9:0 total populated physical memory
41 #define I3200_TOM_MASK 0x3ff /* bits 9:0 */
55 * 9 LOCK to non-DRAM Memory Flag (LCKF)
59 * 1 Multi-bit DRAM ECC Error Flag (DMERR)
60 * 0 Single-bit DRAM ECC Error Flag (DSERR)
67 /* Intel MMIO register space - device 0 function 0 - MMR space */
69 #define I3200_C0DRB 0x200 /* Channel 0 DRAM Rank Boundary (16b x 4)
72 * 9:0 Channel 0 DRAM Rank Boundary Address
74 #define I3200_C1DRB 0x600 /* Channel 1 DRAM Rank Boundary (16b x 4) */
75 #define I3200_DRB_MASK 0x3ff /* bits 9:0 */
78 #define I3200_C0ECCERRLOG 0x280 /* Channel 0 ECC Error Log (64b)
113 if (capid0_8b & 0x20) { /* check DCD: Dual Channel Disable */ in how_many_channels()
114 edac_dbg(0, "In single channel mode\n"); in how_many_channels()
117 edac_dbg(0, "In dual channel mode\n"); in how_many_channels()
122 edac_dbg(0, "2 DIMMS per channel disabled\n"); in how_many_channels()
124 edac_dbg(0, "2 DIMMS per channel enabled\n"); in how_many_channels()
135 static int eccerrlog_row(int channel, u64 log) in eccerrlog_row() argument
139 return rank | (channel * I3200_RANKS_PER_CHANNEL); in eccerrlog_row()
170 pdev = to_pci_dev(mci->pdev); in i3200_clear_error_info()
184 struct i3200_priv *priv = mci->pvt_info; in i3200_get_and_clear_error_info()
185 void __iomem *window = priv->window; in i3200_get_and_clear_error_info()
187 pdev = to_pci_dev(mci->pdev); in i3200_get_and_clear_error_info()
194 pci_read_config_word(pdev, I3200_ERRSTS, &info->errsts); in i3200_get_and_clear_error_info()
195 if (!(info->errsts & I3200_ERRSTS_BITS)) in i3200_get_and_clear_error_info()
198 info->eccerrlog[0] = readq(window + I3200_C0ECCERRLOG); in i3200_get_and_clear_error_info()
200 info->eccerrlog[1] = readq(window + I3200_C1ECCERRLOG); in i3200_get_and_clear_error_info()
202 pci_read_config_word(pdev, I3200_ERRSTS, &info->errsts2); in i3200_get_and_clear_error_info()
210 if ((info->errsts ^ info->errsts2) & I3200_ERRSTS_BITS) { in i3200_get_and_clear_error_info()
211 info->eccerrlog[0] = readq(window + I3200_C0ECCERRLOG); in i3200_get_and_clear_error_info()
213 info->eccerrlog[1] = readq(window + I3200_C1ECCERRLOG); in i3200_get_and_clear_error_info()
222 int channel; in i3200_process_error_info() local
225 if (!(info->errsts & I3200_ERRSTS_BITS)) in i3200_process_error_info()
228 if ((info->errsts ^ info->errsts2) & I3200_ERRSTS_BITS) { in i3200_process_error_info()
230 -1, -1, -1, "UE overwrote CE", ""); in i3200_process_error_info()
231 info->errsts = info->errsts2; in i3200_process_error_info()
234 for (channel = 0; channel < nr_channels; channel++) { in i3200_process_error_info()
235 log = info->eccerrlog[channel]; in i3200_process_error_info()
239 eccerrlog_row(channel, log), in i3200_process_error_info()
240 -1, -1, in i3200_process_error_info()
245 eccerrlog_row(channel, log), in i3200_process_error_info()
246 -1, -1, in i3200_process_error_info()
312 return drbs[I3200_CHANNELS - 1][I3200_RANKS_PER_CHANNEL - 1] == tom; in i3200_is_stacked()
317 int channel, int rank) in drb_to_nr_pages() argument
321 n = drbs[channel][rank]; in drb_to_nr_pages()
326 n -= drbs[channel][rank - 1]; in drb_to_nr_pages()
327 if (stacked && (channel == 1) && in drb_to_nr_pages()
328 drbs[channel][rank] == drbs[channel][I3200_RANKS_PER_CHANNEL - 1]) in drb_to_nr_pages()
329 n -= drbs[0][I3200_RANKS_PER_CHANNEL - 1]; in drb_to_nr_pages()
331 n <<= (I3200_DRB_SHIFT - PAGE_SHIFT); in drb_to_nr_pages()
350 return -ENODEV; in i3200_probe1()
364 return -ENOMEM; in i3200_probe1()
368 mci->pdev = &pdev->dev; in i3200_probe1()
369 mci->mtype_cap = MEM_FLAG_DDR2; in i3200_probe1()
371 mci->edac_ctl_cap = EDAC_FLAG_SECDED; in i3200_probe1()
372 mci->edac_cap = EDAC_FLAG_SECDED; in i3200_probe1()
374 mci->mod_name = EDAC_MOD_STR; in i3200_probe1()
375 mci->ctl_name = i3200_devs[dev_idx].ctl_name; in i3200_probe1()
376 mci->dev_name = pci_name(pdev); in i3200_probe1()
377 mci->edac_check = i3200_check; in i3200_probe1()
378 mci->ctl_page_to_phys = NULL; in i3200_probe1()
379 priv = mci->pvt_info; in i3200_probe1()
380 priv->window = window; in i3200_probe1()
400 edac_dbg(0, "csrow %d, channel %d%s, size = %ld MiB\n", i, j, in i3200_probe1()
403 dimm->nr_pages = nr_pages; in i3200_probe1()
404 dimm->grain = nr_pages << PAGE_SHIFT; in i3200_probe1()
405 dimm->mtype = MEM_DDR2; in i3200_probe1()
406 dimm->dtype = DEV_UNKNOWN; in i3200_probe1()
407 dimm->edac_mode = EDAC_UNKNOWN; in i3200_probe1()
413 rc = -ENODEV; in i3200_probe1()
438 return -EIO; in i3200_init_one()
440 rc = i3200_probe1(pdev, ent->driver_data); in i3200_init_one()
454 mci = edac_mc_del_mc(&pdev->dev); in i3200_remove_one()
458 priv = mci->pvt_info; in i3200_remove_one()
459 iounmap(priv->window); in i3200_remove_one()
503 pci_rc = -ENODEV; in i3200_init()
510 pci_rc = -ENODEV; in i3200_init()