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path: root/drivers/edac/cpc925_edac.c
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Diffstat (limited to 'drivers/edac/cpc925_edac.c')
-rw-r--r--drivers/edac/cpc925_edac.c91
1 files changed, 55 insertions, 36 deletions
diff --git a/drivers/edac/cpc925_edac.c b/drivers/edac/cpc925_edac.c
index a774c0ddaf5..e22030a9de6 100644
--- a/drivers/edac/cpc925_edac.c
+++ b/drivers/edac/cpc925_edac.c
@@ -329,9 +329,10 @@ static void cpc925_init_csrows(struct mem_ctl_info *mci)
{
struct cpc925_mc_pdata *pdata = mci->pvt_info;
struct csrow_info *csrow;
- int index;
+ struct dimm_info *dimm;
+ int index, j;
u32 mbmr, mbbar, bba;
- unsigned long row_size, last_nr_pages = 0;
+ unsigned long row_size, nr_pages, last_nr_pages = 0;
get_total_mem(pdata);
@@ -350,36 +351,41 @@ static void cpc925_init_csrows(struct mem_ctl_info *mci)
row_size = bba * (1UL << 28); /* 256M */
csrow->first_page = last_nr_pages;
- csrow->nr_pages = row_size >> PAGE_SHIFT;
- csrow->last_page = csrow->first_page + csrow->nr_pages - 1;
+ nr_pages = row_size >> PAGE_SHIFT;
+ csrow->last_page = csrow->first_page + nr_pages - 1;
last_nr_pages = csrow->last_page + 1;
- csrow->mtype = MEM_RDDR;
- csrow->edac_mode = EDAC_SECDED;
-
- switch (csrow->nr_channels) {
- case 1: /* Single channel */
- csrow->grain = 32; /* four-beat burst of 32 bytes */
- break;
- case 2: /* Dual channel */
- default:
- csrow->grain = 64; /* four-beat burst of 64 bytes */
- break;
- }
-
- switch ((mbmr & MBMR_MODE_MASK) >> MBMR_MODE_SHIFT) {
- case 6: /* 0110, no way to differentiate X8 VS X16 */
- case 5: /* 0101 */
- case 8: /* 1000 */
- csrow->dtype = DEV_X16;
- break;
- case 7: /* 0111 */
- case 9: /* 1001 */
- csrow->dtype = DEV_X8;
- break;
- default:
- csrow->dtype = DEV_UNKNOWN;
- break;
+ for (j = 0; j < csrow->nr_channels; j++) {
+ dimm = csrow->channels[j].dimm;
+
+ dimm->nr_pages = nr_pages / csrow->nr_channels;
+ dimm->mtype = MEM_RDDR;
+ dimm->edac_mode = EDAC_SECDED;
+
+ switch (csrow->nr_channels) {
+ case 1: /* Single channel */
+ dimm->grain = 32; /* four-beat burst of 32 bytes */
+ break;
+ case 2: /* Dual channel */
+ default:
+ dimm->grain = 64; /* four-beat burst of 64 bytes */
+ break;
+ }
+
+ switch ((mbmr & MBMR_MODE_MASK) >> MBMR_MODE_SHIFT) {
+ case 6: /* 0110, no way to differentiate X8 VS X16 */
+ case 5: /* 0101 */
+ case 8: /* 1000 */
+ dimm->dtype = DEV_X16;
+ break;
+ case 7: /* 0111 */
+ case 9: /* 1001 */
+ dimm->dtype = DEV_X8;
+ break;
+ default:
+ dimm->dtype = DEV_UNKNOWN;
+ break;
+ }
}
}
}
@@ -549,13 +555,18 @@ static void cpc925_mc_check(struct mem_ctl_info *mci)
if (apiexcp & CECC_EXCP_DETECTED) {
cpc925_mc_printk(mci, KERN_INFO, "DRAM CECC Fault\n");
channel = cpc925_mc_find_channel(mci, syndrome);
- edac_mc_handle_ce(mci, pfn, offset, syndrome,
- csrow, channel, mci->ctl_name);
+ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
+ pfn, offset, syndrome,
+ csrow, channel, -1,
+ mci->ctl_name, "", NULL);
}
if (apiexcp & UECC_EXCP_DETECTED) {
cpc925_mc_printk(mci, KERN_INFO, "DRAM UECC Fault\n");
- edac_mc_handle_ue(mci, pfn, offset, csrow, mci->ctl_name);
+ edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci,
+ pfn, offset, 0,
+ csrow, -1, -1,
+ mci->ctl_name, "", NULL);
}
cpc925_mc_printk(mci, KERN_INFO, "Dump registers:\n");
@@ -927,6 +938,7 @@ static int __devinit cpc925_probe(struct platform_device *pdev)
{
static int edac_mc_idx;
struct mem_ctl_info *mci;
+ struct edac_mc_layer layers[2];
void __iomem *vbase;
struct cpc925_mc_pdata *pdata;
struct resource *r;
@@ -962,9 +974,16 @@ static int __devinit cpc925_probe(struct platform_device *pdev)
goto err2;
}
- nr_channels = cpc925_mc_get_channels(vbase);
- mci = edac_mc_alloc(sizeof(struct cpc925_mc_pdata),
- CPC925_NR_CSROWS, nr_channels + 1, edac_mc_idx);
+ nr_channels = cpc925_mc_get_channels(vbase) + 1;
+
+ layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
+ layers[0].size = CPC925_NR_CSROWS;
+ layers[0].is_virt_csrow = true;
+ layers[1].type = EDAC_MC_LAYER_CHANNEL;
+ layers[1].size = nr_channels;
+ layers[1].is_virt_csrow = false;
+ mci = edac_mc_alloc(edac_mc_idx, ARRAY_SIZE(layers), layers,
+ sizeof(struct cpc925_mc_pdata));
if (!mci) {
cpc925_printk(KERN_ERR, "No memory for mem_ctl_info\n");
res = -ENOMEM;