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path: root/drivers/edac/i7300_edac.c
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Diffstat (limited to 'drivers/edac/i7300_edac.c')
-rw-r--r--drivers/edac/i7300_edac.c80
1 files changed, 46 insertions, 34 deletions
diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index a09d0667f72..dcac982fdc7 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -5,7 +5,7 @@
* GNU General Public License version 2 only.
*
* Copyright (c) 2010 by:
- * Mauro Carvalho Chehab <mchehab@redhat.com>
+ * Mauro Carvalho Chehab
*
* Red Hat Inc. http://www.redhat.com
*
@@ -197,8 +197,8 @@ static const char *ferr_fat_fbd_name[] = {
[0] = "Memory Write error on non-redundant retry or "
"FBD configuration Write error on retry",
};
-#define GET_FBD_FAT_IDX(fbderr) (fbderr & (3 << 28))
-#define FERR_FAT_FBD_ERR_MASK ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3))
+#define GET_FBD_FAT_IDX(fbderr) (((fbderr) >> 28) & 3)
+#define FERR_FAT_FBD_ERR_MASK ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 22))
#define FERR_NF_FBD 0xa0
static const char *ferr_nf_fbd_name[] = {
@@ -225,7 +225,7 @@ static const char *ferr_nf_fbd_name[] = {
[1] = "Aliased Uncorrectable Non-Mirrored Demand Data ECC",
[0] = "Uncorrectable Data ECC on Replay",
};
-#define GET_FBD_NF_IDX(fbderr) (fbderr & (3 << 28))
+#define GET_FBD_NF_IDX(fbderr) (((fbderr) >> 28) & 3)
#define FERR_NF_FBD_ERR_MASK ((1 << 24) | (1 << 23) | (1 << 22) | (1 << 21) |\
(1 << 18) | (1 << 17) | (1 << 16) | (1 << 15) |\
(1 << 14) | (1 << 13) | (1 << 11) | (1 << 10) |\
@@ -464,7 +464,7 @@ static void i7300_process_fbd_error(struct mem_ctl_info *mci)
errnum = find_first_bit(&errors,
ARRAY_SIZE(ferr_nf_fbd_name));
specific = GET_ERR_FROM_TABLE(ferr_nf_fbd_name, errnum);
- branch = (GET_FBD_FAT_IDX(error_reg) == 2) ? 1 : 0;
+ branch = (GET_FBD_NF_IDX(error_reg) == 2) ? 1 : 0;
pci_read_config_dword(pvt->pci_dev_16_1_fsb_addr_map,
REDMEMA, &syndrome);
@@ -750,15 +750,23 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
struct i7300_dimm_info *dinfo;
int rc = -ENODEV;
int mtr;
- int ch, branch, slot, channel;
+ int ch, branch, slot, channel, max_channel, max_branch;
struct dimm_info *dimm;
pvt = mci->pvt_info;
edac_dbg(2, "Memory Technology Registers:\n");
+ if (IS_SINGLE_MODE(pvt->mc_settings_a)) {
+ max_branch = 1;
+ max_channel = 1;
+ } else {
+ max_branch = MAX_BRANCHES;
+ max_channel = MAX_CH_PER_BRANCH;
+ }
+
/* Get the AMB present registers for the four channels */
- for (branch = 0; branch < MAX_BRANCHES; branch++) {
+ for (branch = 0; branch < max_branch; branch++) {
/* Read and dump branch 0's MTRs */
channel = to_channel(0, branch);
pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],
@@ -767,6 +775,9 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
edac_dbg(2, "\t\tAMB-present CH%d = 0x%x:\n",
channel, pvt->ambpresent[channel]);
+ if (max_channel == 1)
+ continue;
+
channel = to_channel(1, branch);
pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],
AMBPRESENT_1,
@@ -778,11 +789,11 @@ static int i7300_init_csrows(struct mem_ctl_info *mci)
/* Get the set of MTR[0-7] regs by each branch */
for (slot = 0; slot < MAX_SLOTS; slot++) {
int where = mtr_regs[slot];
- for (branch = 0; branch < MAX_BRANCHES; branch++) {
+ for (branch = 0; branch < max_branch; branch++) {
pci_read_config_word(pvt->pci_dev_2x_0_fbd_branch[branch],
where,
&pvt->mtr[slot][branch]);
- for (ch = 0; ch < MAX_CH_PER_BRANCH; ch++) {
+ for (ch = 0; ch < max_channel; ch++) {
int channel = to_channel(ch, branch);
dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms,
@@ -923,7 +934,7 @@ static void i7300_put_devices(struct mem_ctl_info *mci)
* Device 21 function 0: PCI_DEVICE_ID_INTEL_I7300_MCH_FB0
* Device 22 function 0: PCI_DEVICE_ID_INTEL_I7300_MCH_FB1
*/
-static int __devinit i7300_get_devices(struct mem_ctl_info *mci)
+static int i7300_get_devices(struct mem_ctl_info *mci)
{
struct i7300_pvt *pvt;
struct pci_dev *pdev;
@@ -932,33 +943,35 @@ static int __devinit i7300_get_devices(struct mem_ctl_info *mci)
/* Attempt to 'get' the MCH register we want */
pdev = NULL;
- while (!pvt->pci_dev_16_1_fsb_addr_map ||
- !pvt->pci_dev_16_2_fsb_err_regs) {
- pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_I7300_MCH_ERR, pdev);
- if (!pdev) {
- /* End of list, leave */
- i7300_printk(KERN_ERR,
- "'system address,Process Bus' "
- "device not found:"
- "vendor 0x%x device 0x%x ERR funcs "
- "(broken BIOS?)\n",
- PCI_VENDOR_ID_INTEL,
- PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
- goto error;
- }
-
+ while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_I7300_MCH_ERR,
+ pdev))) {
/* Store device 16 funcs 1 and 2 */
switch (PCI_FUNC(pdev->devfn)) {
case 1:
- pvt->pci_dev_16_1_fsb_addr_map = pdev;
+ if (!pvt->pci_dev_16_1_fsb_addr_map)
+ pvt->pci_dev_16_1_fsb_addr_map =
+ pci_dev_get(pdev);
break;
case 2:
- pvt->pci_dev_16_2_fsb_err_regs = pdev;
+ if (!pvt->pci_dev_16_2_fsb_err_regs)
+ pvt->pci_dev_16_2_fsb_err_regs =
+ pci_dev_get(pdev);
break;
}
}
+ if (!pvt->pci_dev_16_1_fsb_addr_map ||
+ !pvt->pci_dev_16_2_fsb_err_regs) {
+ /* At least one device was not found */
+ i7300_printk(KERN_ERR,
+ "'system address,Process Bus' device not found:"
+ "vendor 0x%x device 0x%x ERR funcs (broken BIOS?)\n",
+ PCI_VENDOR_ID_INTEL,
+ PCI_DEVICE_ID_INTEL_I7300_MCH_ERR);
+ goto error;
+ }
+
edac_dbg(1, "System Address, processor bus- PCI Bus ID: %s %x:%x\n",
pci_name(pvt->pci_dev_16_0_fsb_ctlr),
pvt->pci_dev_16_0_fsb_ctlr->vendor,
@@ -1008,8 +1021,7 @@ error:
* @pdev: struct pci_dev pointer
* @id: struct pci_device_id pointer - currently unused
*/
-static int __devinit i7300_init_one(struct pci_dev *pdev,
- const struct pci_device_id *id)
+static int i7300_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mem_ctl_info *mci;
struct edac_mc_layer layers[3];
@@ -1122,7 +1134,7 @@ fail0:
* i7300_remove_one() - Remove the driver
* @pdev: struct pci_dev pointer
*/
-static void __devexit i7300_remove_one(struct pci_dev *pdev)
+static void i7300_remove_one(struct pci_dev *pdev)
{
struct mem_ctl_info *mci;
char *tmp;
@@ -1150,7 +1162,7 @@ static void __devexit i7300_remove_one(struct pci_dev *pdev)
*
* Has only 8086:360c PCI ID
*/
-static DEFINE_PCI_DEVICE_TABLE(i7300_pci_tbl) = {
+static const struct pci_device_id i7300_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_I7300_MCH_ERR)},
{0,} /* 0 terminated list. */
};
@@ -1163,7 +1175,7 @@ MODULE_DEVICE_TABLE(pci, i7300_pci_tbl);
static struct pci_driver i7300_driver = {
.name = "i7300_edac",
.probe = i7300_init_one,
- .remove = __devexit_p(i7300_remove_one),
+ .remove = i7300_remove_one,
.id_table = i7300_pci_tbl,
};
@@ -1197,7 +1209,7 @@ module_init(i7300_init);
module_exit(i7300_exit);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_AUTHOR("Mauro Carvalho Chehab");
MODULE_AUTHOR("Red Hat Inc. (http://www.redhat.com)");
MODULE_DESCRIPTION("MC Driver for Intel I7300 memory controllers - "
I7300_REVISION);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 22:02:01 +0000